curl-helper.c

   1 /***
   2  ***  curl-helper.c
   3  ***
   4  ***  Copyright (c) 2003-2008, Lars Nilsson, <lars@quantumchamaeleon.com>
   5  ***  Copyright (c) 2009, ygrek, <ygrek@autistici.org>
   6  ***/
   7
   8 #ifndef CAML_NAME_SPACE
   9 #define CAML_NAME_SPACE
  10 #endif
  11
  12 #include <stdio.h>
  13 #include <string.h>
  14 #include <stdlib.h>
  15 #include <stdarg.h>
  16
  17 #include <caml/config.h> /* defines HAS_UNISTD */
  18 #ifdef HAS_UNISTD
  19 #include <unistd.h>
  20 #endif
  21 /* suppress false gcc warning on seekFunction */
  22 #define CURL_DISABLE_TYPECHECK
  23 #include <curl/curl.h>
  24
  25 #include <caml/alloc.h>
  26 #include <caml/memory.h>
  27 #include <caml/mlvalues.h>
  28 #include <caml/callback.h>
  29 #include <caml/fail.h>
  30 #include <caml/unixsupport.h>
  31 #include <caml/custom.h>
  32 #include <caml/threads.h>
  33
  34 #ifndef CAMLdrop
  35 #define CAMLdrop caml_local_roots = caml__frame
  36 #endif
  37
  38 #ifdef HAVE_CONFIG_H
  39 #include "config.h"
  40 #else
  41 #pragma message("No config file given.")
  42 #endif
  43
  44 #ifdef __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 #define Val_none Val_int(0)
  49
  50 static __inline value
  51 Val_some( value v )
  52 {
  53     CAMLparam1( v );
  54     CAMLlocal1( some );
  55     some = caml_alloc(1, 0);
  56     Store_field( some, 0, v );
  57     CAMLreturn( some );
  58 }
  59
  60 static value Val_pair(value v1, value v2)
  61 {
  62   CAMLparam2(v1,v2);
  63   CAMLlocal1(pair);
  64   pair = caml_alloc_small(2,0);
  65   Field(pair,0) = v1;
  66   Field(pair,1) = v2;
  67   CAMLreturn(pair);
  68 }
  69
  70 static value Val_cons(value list, value v) { return Val_pair(v,list); }
  71
  72 typedef struct Connection Connection;
  73 typedef struct ConnectionList ConnectionList;
  74
  75 #define Connection_val(v) (*(Connection**)Data_custom_val(v))
  76
  77 typedef enum OcamlValues
  78 {
  79     Ocaml_WRITEFUNCTION,
  80     Ocaml_READFUNCTION,
  81     Ocaml_HEADERFUNCTION,
  82     Ocaml_PROGRESSFUNCTION,
  83     Ocaml_DEBUGFUNCTION,
  84     Ocaml_IOCTLFUNCTION,
  85     Ocaml_SEEKFUNCTION,
  86     Ocaml_OPENSOCKETFUNCTION,
  87     Ocaml_SSH_KEYFUNCTION,
  88
  89     Ocaml_ERRORBUFFER,
  90     Ocaml_PRIVATE,
  91
  92     /* Not used, last for size */
  93     OcamlValuesSize
  94 } OcamlValue;
  95
  96 struct Connection
  97 {
  98     CURL *handle;
  99
 100     value ocamlValues;
 101
 102     size_t refcount; /* number of references to this structure */
 103
 104     char *curl_ERRORBUFFER;
 105     char *curl_POSTFIELDS;
 106     struct curl_slist *curl_HTTPHEADER;
 107     struct curl_slist *httpPostBuffers;
 108     struct curl_httppost *httpPostFirst;
 109     struct curl_httppost *httpPostLast;
 110     struct curl_slist *curl_RESOLVE;
 111     struct curl_slist *curl_QUOTE;
 112     struct curl_slist *curl_POSTQUOTE;
 113     struct curl_slist *curl_HTTP200ALIASES;
 114     struct curl_slist *curl_MAIL_RCPT;
 115     struct curl_slist *curl_CONNECT_TO;
 116 #if HAVE_DECL_CURLOPT_MIMEPOST
 117     curl_mime *curl_MIMEPOST;
 118 #endif
 119 };
 120
 121 typedef struct CURLErrorMapping CURLErrorMapping;
 122
 123 struct CURLErrorMapping
 124 {
 125     char *name;
 126     CURLcode error;
 127 };
 128
 129 CURLErrorMapping errorMap[] =
 130 {
 131     {"CURLE_OK", CURLE_OK},
 132 #if HAVE_DECL_CURLE_UNSUPPORTED_PROTOCOL
 133     {"CURLE_UNSUPPORTED_PROTOCOL", CURLE_UNSUPPORTED_PROTOCOL},
 134 #else
 135     {"CURLE_UNSUPPORTED_PROTOCOL", -1},
 136 #endif
 137 #if HAVE_DECL_CURLE_FAILED_INIT
 138     {"CURLE_FAILED_INIT", CURLE_FAILED_INIT},
 139 #else
 140     {"CURLE_FAILED_INIT", -1},
 141 #endif
 142 #if HAVE_DECL_CURLE_URL_MALFORMAT
 143     {"CURLE_URL_MALFORMAT", CURLE_URL_MALFORMAT},
 144 #else
 145     {"CURLE_URL_MALFORMAT", -1},
 146 #endif
 147 #if HAVE_DECL_CURLE_URL_MALFORMAT_USER
 148     {"CURLE_URL_MALFORMAT_USER", CURLE_URL_MALFORMAT_USER},
 149 #else
 150     {"CURLE_URL_MALFORMAT_USER", -1},
 151 #endif
 152 #if HAVE_DECL_CURLE_COULDNT_RESOLVE_PROXY
 153     {"CURLE_COULDNT_RESOLVE_PROXY", CURLE_COULDNT_RESOLVE_PROXY},
 154 #else
 155     {"CURLE_COULDNT_RESOLVE_PROXY", -1},
 156 #endif
 157 #if HAVE_DECL_CURLE_COULDNT_RESOLVE_HOST
 158     {"CURLE_COULDNT_RESOLVE_HOST", CURLE_COULDNT_RESOLVE_HOST},
 159 #else
 160     {"CURLE_COULDNT_RESOLVE_HOST", -1},
 161 #endif
 162 #if HAVE_DECL_CURLE_COULDNT_CONNECT
 163     {"CURLE_COULDNT_CONNECT", CURLE_COULDNT_CONNECT},
 164 #else
 165     {"CURLE_COULDNT_CONNECT", -1},
 166 #endif
 167 #if HAVE_DECL_CURLE_FTP_WEIRD_SERVER_REPLY
 168     {"CURLE_FTP_WEIRD_SERVER_REPLY", CURLE_FTP_WEIRD_SERVER_REPLY},
 169 #else
 170     {"CURLE_FTP_WEIRD_SERVER_REPLY", -1},
 171 #endif
 172 #if HAVE_DECL_CURLE_FTP_ACCESS_DENIED
 173     {"CURLE_FTP_ACCESS_DENIED", CURLE_FTP_ACCESS_DENIED},
 174 #else
 175     {"CURLE_FTP_ACCESS_DENIED", -1},
 176 #endif
 177 #if HAVE_DECL_CURLE_FTP_USER_PASSWORD_INCORRECT
 178     {"CURLE_FTP_USER_PASSWORD_INCORRECT", CURLE_FTP_USER_PASSWORD_INCORRECT},
 179 #else
 180     {"CURLE_FTP_USER_PASSWORD_INCORRECT", -1},
 181 #endif
 182 #if HAVE_DECL_CURLE_FTP_WEIRD_PASS_REPLY
 183     {"CURLE_FTP_WEIRD_PASS_REPLY", CURLE_FTP_WEIRD_PASS_REPLY},
 184 #else
 185     {"CURLE_FTP_WEIRD_PASS_REPLY", -1},
 186 #endif
 187 #if HAVE_DECL_CURLE_FTP_WEIRD_USER_REPLY
 188     {"CURLE_FTP_WEIRD_USER_REPLY", CURLE_FTP_WEIRD_USER_REPLY},
 189 #else
 190     {"CURLE_FTP_WEIRD_USER_REPLY", -1},
 191 #endif
 192 #if HAVE_DECL_CURLE_FTP_WEIRD_PASV_REPLY
 193     {"CURLE_FTP_WEIRD_PASV_REPLY", CURLE_FTP_WEIRD_PASV_REPLY},
 194 #else
 195     {"CURLE_FTP_WEIRD_PASV_REPLY", -1},
 196 #endif
 197 #if HAVE_DECL_CURLE_FTP_WEIRD_227_FORMAT
 198     {"CURLE_FTP_WEIRD_227_FORMAT", CURLE_FTP_WEIRD_227_FORMAT},
 199 #else
 200     {"CURLE_FTP_WEIRD_227_FORMAT", -1},
 201 #endif
 202 #if HAVE_DECL_CURLE_FTP_CANT_GET_HOST
 203     {"CURLE_FTP_CANT_GET_HOST", CURLE_FTP_CANT_GET_HOST},
 204 #else
 205     {"CURLE_FTP_CANT_GET_HOST", -1},
 206 #endif
 207 #if HAVE_DECL_CURLE_FTP_CANT_RECONNECT
 208     {"CURLE_FTP_CANT_RECONNECT", CURLE_FTP_CANT_RECONNECT},
 209 #else
 210     {"CURLE_FTP_CANT_RECONNECT", -1},
 211 #endif
 212 #if HAVE_DECL_CURLE_FTP_COULDNT_SET_BINARY
 213     {"CURLE_FTP_COULDNT_SET_BINARY", CURLE_FTP_COULDNT_SET_BINARY},
 214 #else
 215     {"CURLE_FTP_COULDNT_SET_BINARY", -1},
 216 #endif
 217 #if HAVE_DECL_CURLE_PARTIAL_FILE
 218     {"CURLE_PARTIAL_FILE", CURLE_PARTIAL_FILE},
 219 #else
 220     {"CURLE_PARTIAL_FILE", -1},
 221 #endif
 222 #if HAVE_DECL_CURLE_FTP_COULDNT_RETR_FILE
 223     {"CURLE_FTP_COULDNT_RETR_FILE", CURLE_FTP_COULDNT_RETR_FILE},
 224 #else
 225     {"CURLE_FTP_COULDNT_RETR_FILE", -1},
 226 #endif
 227 #if HAVE_DECL_CURLE_FTP_WRITE_ERROR
 228     {"CURLE_FTP_WRITE_ERROR", CURLE_FTP_WRITE_ERROR},
 229 #else
 230     {"CURLE_FTP_WRITE_ERROR", -1},
 231 #endif
 232 #if HAVE_DECL_CURLE_FTP_QUOTE_ERROR
 233     {"CURLE_FTP_QUOTE_ERROR", CURLE_FTP_QUOTE_ERROR},
 234 #else
 235     {"CURLE_FTP_QUOTE_ERROR", -1},
 236 #endif
 237 #if HAVE_DECL_CURLE_HTTP_RETURNED_ERROR
 238     {"CURLE_HTTP_RETURNED_ERROR", CURLE_HTTP_RETURNED_ERROR},
 239 #else
 240     {"CURLE_HTTP_RETURNED_ERROR", -1},
 241 #endif
 242 #if HAVE_DECL_CURLE_WRITE_ERROR
 243     {"CURLE_WRITE_ERROR", CURLE_WRITE_ERROR},
 244 #else
 245     {"CURLE_WRITE_ERROR", -1},
 246 #endif
 247 #if HAVE_DECL_CURLE_MALFORMAT_USER
 248     {"CURLE_MALFORMAT_USER", CURLE_MALFORMAT_USER},
 249 #else
 250     {"CURLE_MALFORMAT_USER", -1},
 251 #endif
 252 #if HAVE_DECL_CURLE_FTP_COULDNT_STOR_FILE
 253     {"CURLE_FTP_COULDNT_STOR_FILE", CURLE_FTP_COULDNT_STOR_FILE},
 254 #else
 255     {"CURLE_FTP_COULDNT_STOR_FILE", -1},
 256 #endif
 257 #if HAVE_DECL_CURLE_READ_ERROR
 258     {"CURLE_READ_ERROR", CURLE_READ_ERROR},
 259 #else
 260     {"CURLE_READ_ERROR", -1},
 261 #endif
 262 #if HAVE_DECL_CURLE_OUT_OF_MEMORY
 263     {"CURLE_OUT_OF_MEMORY", CURLE_OUT_OF_MEMORY},
 264 #else
 265     {"CURLE_OUT_OF_MEMORY", -1},
 266 #endif
 267 #if HAVE_DECL_CURLE_OPERATION_TIMEOUTED
 268     {"CURLE_OPERATION_TIMEOUTED", CURLE_OPERATION_TIMEOUTED},
 269 #else
 270     {"CURLE_OPERATION_TIMEOUTED", -1},
 271 #endif
 272 #if HAVE_DECL_CURLE_FTP_COULDNT_SET_ASCII
 273     {"CURLE_FTP_COULDNT_SET_ASCII", CURLE_FTP_COULDNT_SET_ASCII},
 274 #else
 275     {"CURLE_FTP_COULDNT_SET_ASCII", -1},
 276 #endif
 277 #if HAVE_DECL_CURLE_FTP_PORT_FAILED
 278     {"CURLE_FTP_PORT_FAILED", CURLE_FTP_PORT_FAILED},
 279 #else
 280     {"CURLE_FTP_PORT_FAILED", -1},
 281 #endif
 282 #if HAVE_DECL_CURLE_FTP_COULDNT_USE_REST
 283     {"CURLE_FTP_COULDNT_USE_REST", CURLE_FTP_COULDNT_USE_REST},
 284 #else
 285     {"CURLE_FTP_COULDNT_USE_REST", -1},
 286 #endif
 287 #if HAVE_DECL_CURLE_FTP_COULDNT_GET_SIZE
 288     {"CURLE_FTP_COULDNT_GET_SIZE", CURLE_FTP_COULDNT_GET_SIZE},
 289 #else
 290     {"CURLE_FTP_COULDNT_GET_SIZE", -1},
 291 #endif
 292 #if HAVE_DECL_CURLE_HTTP_RANGE_ERROR
 293     {"CURLE_HTTP_RANGE_ERROR", CURLE_HTTP_RANGE_ERROR},
 294 #else
 295     {"CURLE_HTTP_RANGE_ERROR", -1},
 296 #endif
 297 #if HAVE_DECL_CURLE_HTTP_POST_ERROR
 298     {"CURLE_HTTP_POST_ERROR", CURLE_HTTP_POST_ERROR},
 299 #else
 300     {"CURLE_HTTP_POST_ERROR", -1},
 301 #endif
 302 #if HAVE_DECL_CURLE_SSL_CONNECT_ERROR
 303     {"CURLE_SSL_CONNECT_ERROR", CURLE_SSL_CONNECT_ERROR},
 304 #else
 305     {"CURLE_SSL_CONNECT_ERROR", -1},
 306 #endif
 307 #if HAVE_DECL_CURLE_BAD_DOWNLOAD_RESUME
 308     {"CURLE_BAD_DOWNLOAD_RESUME", CURLE_BAD_DOWNLOAD_RESUME},
 309 #else
 310     {"CURLE_BAD_DOWNLOAD_RESUME", -1},
 311 #endif
 312 #if HAVE_DECL_CURLE_FILE_COULDNT_READ_FILE
 313     {"CURLE_FILE_COULDNT_READ_FILE", CURLE_FILE_COULDNT_READ_FILE},
 314 #else
 315     {"CURLE_FILE_COULDNT_READ_FILE", -1},
 316 #endif
 317 #if HAVE_DECL_CURLE_LDAP_CANNOT_BIND
 318     {"CURLE_LDAP_CANNOT_BIND", CURLE_LDAP_CANNOT_BIND},
 319 #else
 320     {"CURLE_LDAP_CANNOT_BIND", -1},
 321 #endif
 322 #if HAVE_DECL_CURLE_LDAP_SEARCH_FAILED
 323     {"CURLE_LDAP_SEARCH_FAILED", CURLE_LDAP_SEARCH_FAILED},
 324 #else
 325     {"CURLE_LDAP_SEARCH_FAILED", -1},
 326 #endif
 327 #if HAVE_DECL_CURLE_LIBRARY_NOT_FOUND
 328     {"CURLE_LIBRARY_NOT_FOUND", CURLE_LIBRARY_NOT_FOUND},
 329 #else
 330     {"CURLE_LIBRARY_NOT_FOUND", -1},
 331 #endif
 332 #if HAVE_DECL_CURLE_FUNCTION_NOT_FOUND
 333     {"CURLE_FUNCTION_NOT_FOUND", CURLE_FUNCTION_NOT_FOUND},
 334 #else
 335     {"CURLE_FUNCTION_NOT_FOUND", -1},
 336 #endif
 337 #if HAVE_DECL_CURLE_ABORTED_BY_CALLBACK
 338     {"CURLE_ABORTED_BY_CALLBACK", CURLE_ABORTED_BY_CALLBACK},
 339 #else
 340     {"CURLE_ABORTED_BY_CALLBACK", -1},
 341 #endif
 342 #if HAVE_DECL_CURLE_BAD_FUNCTION_ARGUMENT
 343     {"CURLE_BAD_FUNCTION_ARGUMENT", CURLE_BAD_FUNCTION_ARGUMENT},
 344 #else
 345     {"CURLE_BAD_FUNCTION_ARGUMENT", -1},
 346 #endif
 347 #if HAVE_DECL_CURLE_BAD_CALLING_ORDER
 348     {"CURLE_BAD_CALLING_ORDER", CURLE_BAD_CALLING_ORDER},
 349 #else
 350     {"CURLE_BAD_CALLING_ORDER", -1},
 351 #endif
 352 #if HAVE_DECL_CURLE_INTERFACE_FAILED
 353     {"CURLE_INTERFACE_FAILED", CURLE_INTERFACE_FAILED},
 354 #else
 355     {"CURLE_INTERFACE_FAILED", -1},
 356 #endif
 357 #if HAVE_DECL_CURLE_BAD_PASSWORD_ENTERED
 358     {"CURLE_BAD_PASSWORD_ENTERED", CURLE_BAD_PASSWORD_ENTERED},
 359 #else
 360     {"CURLE_BAD_PASSWORD_ENTERED", -1},
 361 #endif
 362 #if HAVE_DECL_CURLE_TOO_MANY_REDIRECTS
 363     {"CURLE_TOO_MANY_REDIRECTS", CURLE_TOO_MANY_REDIRECTS},
 364 #else
 365     {"CURLE_TOO_MANY_REDIRECTS", -1},
 366 #endif
 367 #if HAVE_DECL_CURLE_UNKNOWN_TELNET_OPTION
 368     {"CURLE_UNKNOWN_TELNET_OPTION", CURLE_UNKNOWN_TELNET_OPTION},
 369 #else
 370     {"CURLE_UNKNOWN_TELNET_OPTION", -1},
 371 #endif
 372 #if HAVE_DECL_CURLE_TELNET_OPTION_SYNTAX
 373     {"CURLE_TELNET_OPTION_SYNTAX", CURLE_TELNET_OPTION_SYNTAX},
 374 #else
 375     {"CURLE_TELNET_OPTION_SYNTAX", -1},
 376 #endif
 377 #if HAVE_DECL_CURLE_SSL_PEER_CERTIFICATE
 378     {"CURLE_SSL_PEER_CERTIFICATE", CURLE_SSL_PEER_CERTIFICATE},
 379 #else
 380     {"CURLE_SSL_PEER_CERTIFICATE", -1},
 381 #endif
 382 #if HAVE_DECL_CURLE_GOT_NOTHING
 383     {"CURLE_GOT_NOTHING", CURLE_GOT_NOTHING},
 384 #else
 385     {"CURLE_GOT_NOTHING", -1},
 386 #endif
 387 #if HAVE_DECL_CURLE_SSL_ENGINE_NOTFOUND
 388     {"CURLE_SSL_ENGINE_NOTFOUND", CURLE_SSL_ENGINE_NOTFOUND},
 389 #else
 390     {"CURLE_SSL_ENGINE_NOTFOUND", -1},
 391 #endif
 392 #if HAVE_DECL_CURLE_SSL_ENGINE_SETFAILED
 393     {"CURLE_SSL_ENGINE_SETFAILED", CURLE_SSL_ENGINE_SETFAILED},
 394 #else
 395     {"CURLE_SSL_ENGINE_SETFAILED", -1},
 396 #endif
 397 #if HAVE_DECL_CURLE_SEND_ERROR
 398     {"CURLE_SEND_ERROR", CURLE_SEND_ERROR},
 399 #else
 400     {"CURLE_SEND_ERROR", -1},
 401 #endif
 402 #if HAVE_DECL_CURLE_RECV_ERROR
 403     {"CURLE_RECV_ERROR", CURLE_RECV_ERROR},
 404 #else
 405     {"CURLE_RECV_ERROR", -1},
 406 #endif
 407 #if HAVE_DECL_CURLE_SHARE_IN_USE
 408     {"CURLE_SHARE_IN_USE", CURLE_SHARE_IN_USE},
 409 #else
 410     {"CURLE_SHARE_IN_USE", -1},
 411 #endif
 412 #if HAVE_DECL_CURLE_SSL_CERTPROBLEM
 413     {"CURLE_SSL_CERTPROBLEM", CURLE_SSL_CERTPROBLEM},
 414 #else
 415     {"CURLE_SSL_CERTPROBLEM", -1},
 416 #endif
 417 #if HAVE_DECL_CURLE_SSL_CIPHER
 418     {"CURLE_SSL_CIPHER", CURLE_SSL_CIPHER},
 419 #else
 420     {"CURLE_SSL_CIPHER", -1},
 421 #endif
 422 #if HAVE_DECL_CURLE_SSL_CACERT
 423     {"CURLE_SSL_CACERT", CURLE_SSL_CACERT},
 424 #else
 425     {"CURLE_SSL_CACERT", -1},
 426 #endif
 427 #if HAVE_DECL_CURLE_BAD_CONTENT_ENCODING
 428     {"CURLE_BAD_CONTENT_ENCODING", CURLE_BAD_CONTENT_ENCODING},
 429 #else
 430     {"CURLE_BAD_CONTENT_ENCODING", -1},
 431 #endif
 432 #if HAVE_DECL_CURLE_LDAP_INVALID_URL
 433     {"CURLE_LDAP_INVALID_URL", CURLE_LDAP_INVALID_URL},
 434 #else
 435     {"CURLE_LDAP_INVALID_URL", -1},
 436 #endif
 437 #if HAVE_DECL_CURLE_FILESIZE_EXCEEDED
 438     {"CURLE_FILESIZE_EXCEEDED", CURLE_FILESIZE_EXCEEDED},
 439 #else
 440     {"CURLE_FILESIZE_EXCEEDED", -1},
 441 #endif
 442 #if HAVE_DECL_CURLE_FTP_SSL_FAILED
 443     {"CURLE_FTP_SSL_FAILED", CURLE_FTP_SSL_FAILED},
 444 #else
 445     {"CURLE_FTP_SSL_FAILED", -1},
 446 #endif
 447 #if HAVE_DECL_CURLE_SEND_FAIL_REWIND
 448     {"CURLE_SEND_FAIL_REWIND", CURLE_SEND_FAIL_REWIND},
 449 #else
 450     {"CURLE_SEND_FAIL_REWIND", -1},
 451 #endif
 452 #if HAVE_DECL_CURLE_SSL_ENGINE_INITFAILED
 453     {"CURLE_SSL_ENGINE_INITFAILED", CURLE_SSL_ENGINE_INITFAILED},
 454 #else
 455     {"CURLE_SSL_ENGINE_INITFAILED", -1},
 456 #endif
 457 #if HAVE_DECL_CURLE_LOGIN_DENIED
 458     {"CURLE_LOGIN_DENIED", CURLE_LOGIN_DENIED},
 459 #else
 460     {"CURLE_LOGIN_DENIED", -1},
 461 #endif
 462 #if HAVE_DECL_CURLE_TFTP_NOTFOUND
 463     {"CURLE_TFTP_NOTFOUND", CURLE_TFTP_NOTFOUND},
 464 #else
 465     {"CURLE_TFTP_NOTFOUND", -1},
 466 #endif
 467 #if HAVE_DECL_CURLE_TFTP_PERM
 468     {"CURLE_TFTP_PERM", CURLE_TFTP_PERM},
 469 #else
 470     {"CURLE_TFTP_PERM", -1},
 471 #endif
 472 #if HAVE_DECL_CURLE_REMOTE_DISK_FULL
 473     {"CURLE_REMOTE_DISK_FULL", CURLE_REMOTE_DISK_FULL},
 474 #else
 475     {"CURLE_REMOTE_DISK_FULL", -1},
 476 #endif
 477 #if HAVE_DECL_CURLE_TFTP_ILLEGAL
 478     {"CURLE_TFTP_ILLEGAL", CURLE_TFTP_ILLEGAL},
 479 #else
 480     {"CURLE_TFTP_ILLEGAL", -1},
 481 #endif
 482 #if HAVE_DECL_CURLE_TFTP_UNKNOWNID
 483     {"CURLE_TFTP_UNKNOWNID", CURLE_TFTP_UNKNOWNID},
 484 #else
 485     {"CURLE_TFTP_UNKNOWNID", -1},
 486 #endif
 487 #if HAVE_DECL_CURLE_REMOTE_FILE_EXISTS
 488     {"CURLE_REMOTE_FILE_EXISTS", CURLE_REMOTE_FILE_EXISTS},
 489 #else
 490     {"CURLE_REMOTE_FILE_EXISTS", -1},
 491 #endif
 492 #if HAVE_DECL_CURLE_TFTP_NOSUCHUSER
 493     {"CURLE_TFTP_NOSUCHUSER", CURLE_TFTP_NOSUCHUSER},
 494 #else
 495     {"CURLE_TFTP_NOSUCHUSER", -1},
 496 #endif
 497 #if HAVE_DECL_CURLE_CONV_FAILED
 498     {"CURLE_CONV_FAILED", CURLE_CONV_FAILED},
 499 #else
 500     {"CURLE_CONV_FAILED", -1},
 501 #endif
 502 #if HAVE_DECL_CURLE_CONV_REQD
 503     {"CURLE_CONV_REQD", CURLE_CONV_REQD},
 504 #else
 505     {"CURLE_CONV_REQD", -1},
 506 #endif
 507 #if HAVE_DECL_CURLE_SSL_CACERT_BADFILE
 508     {"CURLE_SSL_CACERT_BADFILE", CURLE_SSL_CACERT_BADFILE},
 509 #else
 510     {"CURLE_SSL_CACERT_BADFILE", -1},
 511 #endif
 512 #if HAVE_DECL_CURLE_REMOTE_FILE_NOT_FOUND
 513     {"CURLE_REMOTE_FILE_NOT_FOUND", CURLE_REMOTE_FILE_NOT_FOUND},
 514 #else
 515     {"CURLE_REMOTE_FILE_NOT_FOUND", -1},
 516 #endif
 517 #if HAVE_DECL_CURLE_SSH
 518     {"CURLE_SSH", CURLE_SSH},
 519 #else
 520     {"CURLE_SSH", -1},
 521 #endif
 522 #if HAVE_DECL_CURLE_SSL_SHUTDOWN_FAILED
 523     {"CURLE_SSL_SHUTDOWN_FAILED", CURLE_SSL_SHUTDOWN_FAILED},
 524 #else
 525     {"CURLE_SSL_SHUTDOWN_FAILED", -1},
 526 #endif
 527 #if HAVE_DECL_CURLE_AGAIN
 528     {"CURLE_AGAIN", CURLE_AGAIN},
 529 #else
 530     {"CURLE_AGAIN", -1},
 531 #endif
 532     {NULL, (CURLcode)0}
 533 };
 534
 535 typedef struct CURLOptionMapping CURLOptionMapping;
 536
 537 struct CURLOptionMapping
 538 {
 539     void (*optionHandler)(Connection *, value);
 540     char *name;
 541 };
 542
 543 static char* strdup_ml(value v)
 544 {
 545   char* p = NULL;
 546   p = (char*)malloc(caml_string_length(v)+1);
 547   memcpy(p,String_val(v),caml_string_length(v)+1); // caml strings have terminating zero
 548   return p;
 549 }
 550
 551 static value ml_copy_string(char const* p, size_t size)
 552 {
 553   value v = caml_alloc_string(size);
 554   memcpy(&Byte(v,0),p,size);
 555   return v;
 556 }
 557
 558 /* prepends to the beginning of list */
 559 static struct curl_slist* curl_slist_prepend_ml(struct curl_slist* list, value v)
 560 {
 561   /* FIXME check NULLs */
 562   struct curl_slist* new_item = (struct curl_slist*)malloc(sizeof(struct curl_slist));
 563
 564   new_item->next = list;
 565   new_item->data = strdup_ml(v);
 566
 567   return new_item;
 568 }
 569
 570 static void free_curl_slist(struct curl_slist *slist)
 571 {
 572     if (NULL == slist)
 573       return;
 574
 575     curl_slist_free_all(slist);
 576 }
 577
 578 static void raiseError(Connection *conn, CURLcode code)
 579 {
 580     CAMLparam0();
 581     CAMLlocal1(exceptionData);
 582     const value *exception;
 583     char *errorString = "Unknown Error";
 584     int i;
 585
 586     for (i = 0; errorMap[i].name != NULL; i++)
 587     {
 588         if (errorMap[i].error == code)
 589         {
 590             errorString = errorMap[i].name;
 591             break;
 592         }
 593     }
 594
 595     exceptionData = caml_alloc_tuple(3);
 596
 597     Store_field(exceptionData, 0, Val_int(code));
 598     Store_field(exceptionData, 1, Val_int(code));
 599     Store_field(exceptionData, 2, caml_copy_string(errorString));
 600
 601     if (conn != NULL && conn->curl_ERRORBUFFER != NULL)
 602     {
 603         Store_field(Field(conn->ocamlValues, Ocaml_ERRORBUFFER), 0, caml_copy_string(conn->curl_ERRORBUFFER));
 604     }
 605
 606     exception = caml_named_value("CurlException");
 607
 608     if (exception == NULL)
 609         caml_failwith("CurlException not registered");
 610
 611     caml_raise_with_arg(*exception, exceptionData);
 612
 613     CAMLreturn0;
 614 }
 615
 616 static void resetOcamlValues(Connection* connection)
 617 {
 618     int i;
 619
 620     for (i = 0; i < OcamlValuesSize; i++)
 621         Store_field(connection->ocamlValues, i, Val_unit);
 622 }
 623
 624 static Connection* allocConnection(CURL* h)
 625 {
 626     Connection* connection = (Connection *)malloc(sizeof(Connection));
 627
 628     connection->ocamlValues = caml_alloc(OcamlValuesSize, 0);
 629     resetOcamlValues(connection);
 630     caml_register_global_root(&connection->ocamlValues);
 631
 632     connection->handle = h;
 633     curl_easy_setopt(h, CURLOPT_PRIVATE, connection);
 634
 635     connection->refcount = 0;
 636
 637     connection->curl_ERRORBUFFER = NULL;
 638     connection->curl_POSTFIELDS = NULL;
 639     connection->curl_HTTPHEADER = NULL;
 640     connection->httpPostBuffers = NULL;
 641     connection->httpPostFirst = NULL;
 642     connection->httpPostLast = NULL;
 643     connection->curl_QUOTE = NULL;
 644     connection->curl_POSTQUOTE = NULL;
 645     connection->curl_HTTP200ALIASES = NULL;
 646     connection->curl_RESOLVE = NULL;
 647     connection->curl_MAIL_RCPT = NULL;
 648     connection->curl_CONNECT_TO = NULL;
 649 #if HAVE_DECL_CURLOPT_MIMEPOST
 650     connection->curl_MIMEPOST = NULL;
 651 #endif
 652
 653     return connection;
 654 }
 655
 656 static Connection *newConnection(void)
 657 {
 658     CURL* h;
 659
 660     caml_enter_blocking_section();
 661     h = curl_easy_init();
 662     caml_leave_blocking_section();
 663
 664     return allocConnection(h);
 665 }
 666
 667 static void free_if(void* p) { if (NULL != p) free(p); }
 668
 669 static void removeConnection(Connection *connection, int finalization)
 670 {
 671     const char* fin_url = NULL;
 672
 673     if (!connection->handle)
 674     {
 675       return; /* already cleaned up */
 676     }
 677
 678     if (finalization)
 679     {
 680       /* cannot engage OCaml runtime at finalization, just report leak */
 681       if (CURLE_OK != curl_easy_getinfo(connection->handle, CURLINFO_EFFECTIVE_URL, &fin_url) || NULL == fin_url)
 682       {
 683         fin_url = "unknown";
 684       }
 685       fprintf(stderr,"Curl: handle %p leaked, conn %p, url %s\n", connection->handle, connection, fin_url);
 686       fflush(stderr);
 687     }
 688     else
 689     {
 690       caml_enter_blocking_section();
 691       curl_easy_cleanup(connection->handle);
 692       caml_leave_blocking_section();
 693     }
 694
 695     connection->handle = NULL;
 696
 697     caml_remove_global_root(&connection->ocamlValues);
 698
 699     free_if(connection->curl_ERRORBUFFER);
 700     free_if(connection->curl_POSTFIELDS);
 701     free_curl_slist(connection->curl_HTTPHEADER);
 702     free_curl_slist(connection->httpPostBuffers);
 703     if (connection->httpPostFirst != NULL)
 704         curl_formfree(connection->httpPostFirst);
 705     free_curl_slist(connection->curl_RESOLVE);
 706     free_curl_slist(connection->curl_QUOTE);
 707     free_curl_slist(connection->curl_POSTQUOTE);
 708     free_curl_slist(connection->curl_HTTP200ALIASES);
 709     free_curl_slist(connection->curl_MAIL_RCPT);
 710     free_curl_slist(connection->curl_CONNECT_TO);
 711 #if HAVE_DECL_CURLOPT_MIMEPOST
 712     curl_mime_free(connection->curl_MIMEPOST);
 713 #endif
 714 }
 715
 716 static Connection* getConnection(CURL* h)
 717 {
 718   Connection* p = NULL;
 719
 720   if (CURLE_OK != curl_easy_getinfo(h, CURLINFO_PRIVATE, &p) || NULL == p)
 721   {
 722     caml_failwith("Unknown handle");
 723   }
 724
 725   return p;
 726 }
 727
 728 #if 1
 729 static void checkConnection(Connection * connection)
 730 {
 731   (void)connection;
 732 }
 733 #else
 734 static void checkConnection(Connection *connection)
 735 {
 736   if (connection != getConnection(connection->handle))
 737   {
 738     caml_failwith("Invalid Connection");
 739   }
 740 }
 741 #endif
 742
 743 void op_curl_easy_finalize(value v)
 744 {
 745   Connection* conn = Connection_val(v);
 746   /* same connection may be referenced by several different
 747      OCaml values, see e.g. caml_curl_multi_remove_finished */
 748   conn->refcount--;
 749   if (0 == conn->refcount)
 750   {
 751     removeConnection(conn, 1);
 752     free(conn);
 753   }
 754 }
 755
 756 int op_curl_easy_compare(value v1, value v2)
 757 {
 758   size_t p1 = (size_t)Connection_val(v1);
 759   size_t p2 = (size_t)Connection_val(v2);
 760   return (p1 == p2 ? 0 : (p1 > p2 ? 1 : -1)); /* compare addresses */
 761 }
 762
 763 intnat op_curl_easy_hash(value v)
 764 {
 765   return (size_t)Connection_val(v); /* address */
 766 }
 767
 768 static struct custom_operations curl_easy_ops = {
 769   "ygrek.curl_easy",
 770   op_curl_easy_finalize,
 771   op_curl_easy_compare,
 772   op_curl_easy_hash,
 773   custom_serialize_default,
 774   custom_deserialize_default,
 775 #if defined(custom_compare_ext_default)
 776   custom_compare_ext_default,
 777 #endif
 778 };
 779
 780 value caml_curl_alloc(Connection* conn)
 781 {
 782   value v = caml_alloc_custom(&curl_easy_ops, sizeof(Connection*), 0, 1);
 783   Connection_val(v) = conn;
 784   conn->refcount++;
 785   return v;
 786 }
 787
 788 static size_t cb_WRITEFUNCTION(char *ptr, size_t size, size_t nmemb, void *data)
 789 {
 790     caml_leave_blocking_section();
 791
 792     CAMLparam0();
 793     CAMLlocal2(result, str);
 794     Connection *conn = (Connection *)data;
 795
 796     checkConnection(conn);
 797
 798     str = ml_copy_string(ptr,size*nmemb);
 799
 800     result = caml_callback_exn(Field(conn->ocamlValues, Ocaml_WRITEFUNCTION), str);
 801
 802     size_t r = Is_exception_result(result) ? 0 : Int_val(result);
 803     CAMLdrop;
 804
 805     caml_enter_blocking_section();
 806     return r;
 807 }
 808
 809 static size_t cb_READFUNCTION(void *ptr, size_t size, size_t nmemb, void *data)
 810 {
 811     caml_leave_blocking_section();
 812
 813     CAMLparam0();
 814     CAMLlocal1(result);
 815     Connection *conn = (Connection *)data;
 816     size_t length;
 817
 818     checkConnection(conn);
 819
 820     result = caml_callback_exn(Field(conn->ocamlValues, Ocaml_READFUNCTION),
 821                       Val_int(size*nmemb));
 822
 823     if (Is_exception_result(result))
 824     {
 825       CAMLreturnT(size_t,CURL_READFUNC_ABORT);
 826     }
 827
 828     length = caml_string_length(result);
 829
 830     size_t r;
 831
 832     if (length <= size*nmemb)
 833     {
 834       memcpy(ptr, String_val(result), length);
 835       r = length;
 836     }
 837     else
 838     {
 839       r = CURL_READFUNC_ABORT;
 840     }
 841     CAMLdrop;
 842
 843     caml_enter_blocking_section();
 844     return r;
 845 }
 846
 847 static size_t cb_HEADERFUNCTION(char *ptr, size_t size, size_t nmemb, void *data)
 848 {
 849     caml_leave_blocking_section();
 850
 851     CAMLparam0();
 852     CAMLlocal2(result,str);
 853     Connection *conn = (Connection *)data;
 854
 855     checkConnection(conn);
 856
 857     str = ml_copy_string(ptr,size*nmemb);
 858
 859     result = caml_callback_exn(Field(conn->ocamlValues, Ocaml_HEADERFUNCTION), str);
 860
 861     size_t r = Is_exception_result(result) ? 0 : Int_val(result);
 862     CAMLdrop;
 863
 864     caml_enter_blocking_section();
 865     return r;
 866 }
 867
 868 static int cb_PROGRESSFUNCTION(void *data,
 869                             double dlTotal,
 870                             double dlNow,
 871                             double ulTotal,
 872                             double ulNow)
 873 {
 874     caml_leave_blocking_section();
 875
 876     CAMLparam0();
 877     CAMLlocal1(result);
 878     CAMLlocalN(callbackData, 4);
 879     Connection *conn = (Connection *)data;
 880
 881     checkConnection(conn);
 882
 883     callbackData[0] = caml_copy_double(dlTotal);
 884     callbackData[1] = caml_copy_double(dlNow);
 885     callbackData[2] = caml_copy_double(ulTotal);
 886     callbackData[3] = caml_copy_double(ulNow);
 887
 888     result = caml_callbackN_exn(Field(conn->ocamlValues, Ocaml_PROGRESSFUNCTION),
 889                        4, callbackData);
 890
 891     int r = Is_exception_result(result) ? 1 : Bool_val(result);
 892     CAMLdrop;
 893
 894     caml_enter_blocking_section();
 895     return r;
 896 }
 897
 898 static int cb_DEBUGFUNCTION(CURL *debugConnection,
 899                          curl_infotype infoType,
 900                          char *buffer,
 901                          size_t bufferLength,
 902                          void *data)
 903 {
 904     caml_leave_blocking_section();
 905
 906     CAMLparam0();
 907     CAMLlocal3(camlDebugConnection, camlInfoType, camlMessage);
 908     Connection *conn = (Connection *)data;
 909     (void)debugConnection; /* not used */
 910
 911     checkConnection(conn);
 912
 913     camlDebugConnection = caml_curl_alloc(conn);
 914     camlMessage = ml_copy_string(buffer,bufferLength);
 915     camlInfoType = Val_long(infoType <= CURLINFO_SSL_DATA_OUT ? infoType : CURLINFO_END);
 916
 917     caml_callback3_exn(Field(conn->ocamlValues, Ocaml_DEBUGFUNCTION),
 918               camlDebugConnection,
 919               camlInfoType,
 920               camlMessage);
 921
 922     CAMLdrop;
 923
 924     caml_enter_blocking_section();
 925     return 0;
 926 }
 927
 928 static curlioerr cb_IOCTLFUNCTION(CURL *ioctl,
 929                                int cmd,
 930                                void *data)
 931 {
 932     caml_leave_blocking_section();
 933
 934     CAMLparam0();
 935     CAMLlocal3(camlResult, camlConnection, camlCmd);
 936     Connection *conn = (Connection *)data;
 937     curlioerr result = CURLIOE_OK;
 938     (void)ioctl; /* not used */
 939
 940     checkConnection(conn);
 941
 942     if (cmd == CURLIOCMD_NOP)
 943         camlCmd = Val_long(0);
 944     else if (cmd == CURLIOCMD_RESTARTREAD)
 945         camlCmd = Val_long(1);
 946     else
 947         caml_failwith("Invalid IOCTL Cmd!");
 948
 949     camlConnection = caml_curl_alloc(conn);
 950
 951     camlResult = caml_callback2_exn(Field(conn->ocamlValues, Ocaml_IOCTLFUNCTION),
 952                            camlConnection,
 953                            camlCmd);
 954
 955     if (Is_exception_result(camlResult))
 956     {
 957       result = CURLIOE_FAILRESTART;
 958     }
 959     else
 960     switch (Long_val(camlResult))
 961     {
 962     case 0: /* CURLIOE_OK */
 963         result = CURLIOE_OK;
 964         break;
 965
 966     case 1: /* CURLIOE_UNKNOWNCMD */
 967         result = CURLIOE_UNKNOWNCMD;
 968         break;
 969
 970     case 2: /* CURLIOE_FAILRESTART */
 971         result = CURLIOE_FAILRESTART;
 972         break;
 973
 974     default: /* Incorrect return value, but let's handle it */
 975         result = CURLIOE_FAILRESTART;
 976         break;
 977     }
 978     CAMLdrop;
 979
 980     caml_enter_blocking_section();
 981     return result;
 982 }
 983
 984 #if HAVE_DECL_CURLOPT_SEEKFUNCTION
 985 static int cb_SEEKFUNCTION(void *data,
 986                         curl_off_t offset,
 987                         int origin)
 988 {
 989     caml_leave_blocking_section();
 990
 991     CAMLparam0();
 992     CAMLlocal3(camlResult, camlOffset, camlOrigin);
 993     Connection *conn = (Connection *)data;
 994
 995     camlOffset = caml_copy_int64(offset);
 996
 997     if (origin == SEEK_SET)
 998         camlOrigin = Val_long(0);
 999     else if (origin == SEEK_CUR)
1000         camlOrigin = Val_long(1);
1001     else if (origin == SEEK_END)
1002         camlOrigin = Val_long(2);
1003     else
1004         caml_failwith("Invalid seek code");
1005
1006     camlResult = caml_callback2_exn(Field(conn->ocamlValues,
1007                                  Ocaml_SEEKFUNCTION),
1008                            camlOffset,
1009                            camlOrigin);
1010
1011     int result;
1012     if (Is_exception_result(camlResult))
1013       result = CURL_SEEKFUNC_FAIL;
1014     else
1015     switch (Int_val(camlResult))
1016     {
1017       case 0: result = CURL_SEEKFUNC_OK; break;
1018       case 1: result = CURL_SEEKFUNC_FAIL; break;
1019       case 2: result = CURL_SEEKFUNC_CANTSEEK; break;
1020       default: caml_failwith("Invalid seek result");
1021     }
1022     CAMLdrop;
1023
1024     caml_enter_blocking_section();
1025     return result;
1026 }
1027 #endif
1028
1029 #if HAVE_DECL_CURLOPT_OPENSOCKETFUNCTION
1030 static int cb_OPENSOCKETFUNCTION(void *data,
1031                         curlsocktype purpose,
1032                         struct curl_sockaddr *addr)
1033 {
1034     caml_leave_blocking_section();
1035
1036     CAMLparam0();
1037     CAMLlocal1(result);
1038     Connection *conn = (Connection *)data;
1039     int sock = -1;
1040     (void)purpose; /* not used */
1041
1042     sock = socket(addr->family, addr->socktype, addr->protocol);
1043
1044     if (-1 != sock)
1045     {
1046       /* FIXME windows */
1047       result = caml_callback_exn(Field(conn->ocamlValues, Ocaml_OPENSOCKETFUNCTION), Val_int(sock));
1048       if (Is_exception_result(result))
1049       {
1050         close(sock);
1051         sock = -1;
1052       }
1053     }
1054     CAMLdrop;
1055
1056     caml_enter_blocking_section();
1057     return ((sock == -1) ? CURL_SOCKET_BAD : sock);
1058 }
1059 #endif
1060
1061 static int cb_SSH_KEYFUNCTION(CURL *easy,
1062                               const struct curl_khkey *knownkey,
1063                               const struct curl_khkey *foundkey,
1064                               enum curl_khmatch match,
1065                               void *clientp)
1066 {
1067     caml_leave_blocking_section();
1068
1069     CAMLparam0();
1070     CAMLlocal3(v_found, v_match, v_result);
1071     Connection *conn = (Connection *)clientp;
1072     int res = CURLKHSTAT_REJECT;
1073
1074     switch (match) {
1075       case CURLKHMATCH_OK:
1076         v_match = Val_int(0);
1077         break;
1078       case CURLKHMATCH_MISMATCH:
1079         v_match = caml_alloc_small(1, 0);
1080         Field(v_match, 0) = ml_copy_string(knownkey->key, knownkey->len ? knownkey->len : strlen(knownkey->key));
1081         break;
1082       case CURLKHMATCH_MISSING:
1083         v_match = Val_int(1);
1084         break;
1085       default:
1086         caml_failwith("Invalid CURL_SSH_KEYFUNCTION argument");
1087         break;
1088     }
1089
1090     v_found = ml_copy_string(foundkey->key, foundkey->len ? foundkey->len : strlen(foundkey->key));
1091     v_result = caml_callback2_exn(Field(conn->ocamlValues, Ocaml_SSH_KEYFUNCTION), v_match, v_found);
1092
1093     if (!Is_exception_result(v_result)) {
1094       switch (Int_val(v_result)) {
1095         case 0:
1096           res = CURLKHSTAT_FINE_ADD_TO_FILE;
1097           break;
1098         case 1:
1099           res = CURLKHSTAT_FINE;
1100           break;
1101         case 2:
1102           res = CURLKHSTAT_REJECT;
1103           break;
1104         case 3:
1105           res = CURLKHSTAT_DEFER;
1106           break;
1107         default:
1108           caml_failwith("Invalid CURLOPT_SSH_KEYFUNCTION return value");
1109           break;
1110       }
1111     }
1112
1113     CAMLdrop;
1114
1115     caml_enter_blocking_section();
1116     return res;
1117 }
1118
1119 /**
1120  **  curl_global_init helper function
1121  **/
1122
1123 value caml_curl_global_init(value initOption)
1124 {
1125     CAMLparam1(initOption);
1126
1127     switch (Long_val(initOption))
1128     {
1129     case 0: /* CURLINIT_GLOBALALL */
1130         CAMLreturn(Val_long(curl_global_init(CURL_GLOBAL_ALL)));
1131         break;
1132
1133     case 1: /* CURLINIT_GLOBALSSL */
1134         CAMLreturn(Val_long(curl_global_init(CURL_GLOBAL_SSL)));
1135         break;
1136
1137     case 2: /* CURLINIT_GLOBALWIN32 */
1138         CAMLreturn(Val_long(curl_global_init(CURL_GLOBAL_WIN32)));
1139         break;
1140
1141     case 3: /* CURLINIT_GLOBALNOTHING */
1142         CAMLreturn(Val_long(curl_global_init(CURL_GLOBAL_NOTHING)));
1143         break;
1144
1145     default:
1146         caml_failwith("Invalid Initialization Option");
1147         break;
1148     }
1149
1150     /* Keep compiler happy, we should never get here due to caml_failwith() */
1151     CAMLreturn(Val_unit);
1152 }
1153
1154 /**
1155  **  curl_global_cleanup helper function
1156  **/
1157
1158 value caml_curl_global_cleanup(void)
1159 {
1160     CAMLparam0();
1161
1162     curl_global_cleanup();
1163
1164     CAMLreturn(Val_unit);
1165 }
1166
1167 /**
1168  ** curl_easy_init helper function
1169  **/
1170 value caml_curl_easy_init(void)
1171 {
1172     CAMLparam0();
1173     CAMLlocal1(result);
1174
1175     result = caml_curl_alloc(newConnection());
1176
1177     CAMLreturn(result);
1178 }
1179
1180 value caml_curl_easy_reset(value conn)
1181 {
1182     CAMLparam1(conn);
1183     Connection *connection = Connection_val(conn);
1184
1185     checkConnection(connection);
1186     curl_easy_reset(connection->handle);
1187     curl_easy_setopt(connection->handle, CURLOPT_PRIVATE, connection);
1188     resetOcamlValues(connection);
1189
1190     CAMLreturn(Val_unit);
1191 }
1192
1193 /**
1194  **  curl_easy_setopt helper utility functions
1195  **/
1196
1197 #define SETOPT_FUNCTION(name) \
1198 static void handle_##name##FUNCTION(Connection *conn, value option) \
1199 { \
1200     CAMLparam1(option); \
1201     CURLcode result = CURLE_OK; \
1202     Store_field(conn->ocamlValues, Ocaml_##name##FUNCTION, option); \
1203     result = curl_easy_setopt(conn->handle, CURLOPT_##name##FUNCTION, cb_##name##FUNCTION); \
1204     if (result != CURLE_OK) raiseError(conn, result); \
1205     result = curl_easy_setopt(conn->handle, CURLOPT_##name##DATA, conn); \
1206     if (result != CURLE_OK) raiseError(conn, result); \
1207     CAMLreturn0; \
1208 }
1209
1210 SETOPT_FUNCTION( WRITE)
1211 SETOPT_FUNCTION( READ)
1212 SETOPT_FUNCTION( HEADER)
1213 SETOPT_FUNCTION( PROGRESS)
1214 SETOPT_FUNCTION( DEBUG)
1215 SETOPT_FUNCTION( SSH_KEY)
1216
1217 #if HAVE_DECL_CURLOPT_SEEKFUNCTION
1218 SETOPT_FUNCTION( SEEK)
1219 #endif
1220
1221 #if HAVE_DECL_CURLOPT_IOCTLFUNCTION
1222 SETOPT_FUNCTION( IOCTL)
1223 #endif
1224
1225 #if HAVE_DECL_CURLOPT_OPENSOCKETFUNCTION
1226 SETOPT_FUNCTION( OPENSOCKET)
1227 #endif
1228
1229 static void handle_slist(Connection *conn, struct curl_slist** slist, CURLoption curl_option, value option)
1230 {
1231     CAMLparam1(option);
1232     CURLcode result = CURLE_OK;
1233
1234     free_curl_slist(*slist);
1235     *slist = NULL;
1236
1237     while (Val_emptylist != option)
1238     {
1239         *slist = curl_slist_append(*slist, String_val(Field(option, 0)));
1240
1241         option = Field(option, 1);
1242     }
1243
1244     result = curl_easy_setopt(conn->handle, curl_option, *slist);
1245
1246     if (result != CURLE_OK)
1247         raiseError(conn, result);
1248
1249     CAMLreturn0;
1250 }
1251
1252 static long convert_bit_list(long *map, size_t map_size, value option)
1253 {
1254     CAMLparam1(option);
1255     long bits = 0;
1256     int index;
1257
1258     while (Val_emptylist != option)
1259     {
1260         index = Int_val(Field(option, 0));
1261         if ((index < 0) || ((size_t)index >= map_size))
1262           caml_invalid_argument("convert_bit_list");
1263
1264         bits |= map[index];
1265
1266         option = Field(option, 1);
1267     }
1268
1269     CAMLreturnT(long, bits);
1270 }
1271
1272 #define SETOPT_STRING(name) \
1273 static void handle_##name(Connection *conn, value option) \
1274 { \
1275     CAMLparam1(option); \
1276     CURLcode result = CURLE_OK; \
1277 \
1278     result = curl_easy_setopt(conn->handle, CURLOPT_##name, String_val(option)); \
1279 \
1280     if (result != CURLE_OK) \
1281         raiseError(conn, result); \
1282 \
1283     CAMLreturn0; \
1284 }
1285
1286 #define SETOPT_VAL_(func_name, curl_option, conv_val) \
1287 static void func_name(Connection *conn, value option) \
1288 { \
1289     CAMLparam1(option); \
1290     CURLcode result = CURLE_OK; \
1291 \
1292     result = curl_easy_setopt(conn->handle, curl_option, conv_val(option)); \
1293 \
1294     if (result != CURLE_OK) \
1295         raiseError(conn, result); \
1296 \
1297     CAMLreturn0; \
1298 }
1299
1300 #define SETOPT_VAL(name, conv) SETOPT_VAL_(handle_##name, CURLOPT_##name, conv)
1301 #define SETOPT_BOOL(name) SETOPT_VAL(name, Bool_val)
1302 #define SETOPT_LONG(name) SETOPT_VAL(name, Long_val)
1303 #define SETOPT_INT64(name) SETOPT_VAL(name, Int64_val)
1304
1305 #if HAVE_DECL_CURLOPT_MIMEPOST
1306
1307 static void new_part(Connection* conn, curl_mime* mime, value v_part)
1308 {
1309   value v_encoding = Field(v_part, 0);
1310   value v_headers  = Field(v_part, 1);
1311   value v_subparts = Field(v_part, 2);
1312   value v_data     = Field(v_part, 3);
1313   value v_str      = Field(v_data, 0);
1314
1315   struct curl_slist *headers = NULL;
1316   CURLcode result;
1317
1318   curl_mimepart *part = curl_mime_addpart(mime);
1319
1320   switch (Int_val(v_encoding)) {
1321     case 0:
1322       result = curl_mime_encoder(part, "8bit");
1323       break;
1324     case 1:
1325       result = curl_mime_encoder(part, "binary");
1326       break;
1327     case 2:
1328       result = curl_mime_encoder(part, "7bit");
1329       break;
1330     case 3:
1331       result = curl_mime_encoder(part, "quoted-printable");
1332       break;
1333     case 4:
1334       result = curl_mime_encoder(part, "base64");
1335       break;
1336     case 5:
1337       result = CURLE_OK;
1338       break;
1339     default:
1340       caml_failwith("Invalid MIMEPOST encoding value");
1341       break;
1342   }
1343
1344   if (result != CURLE_OK) {
1345     raiseError(conn, result);
1346   }
1347
1348   while (v_headers != Val_emptylist) {
1349     headers = curl_slist_append(headers, String_val(Field(v_headers, 0)));
1350     v_headers = Field(v_headers, 1);
1351   }
1352
1353   result = curl_mime_headers(part, headers, 1);
1354
1355   if (result != CURLE_OK) {
1356     raiseError(conn, result);
1357   }
1358
1359   switch (Tag_val(v_data)) {
1360     case 0:
1361       result = curl_mime_data(part, String_val(v_str), caml_string_length(v_str));
1362       break;
1363     case 1:
1364       result = curl_mime_filedata(part, String_val(v_str));
1365       break;
1366     default:
1367       caml_failwith("Invalid MIMEPOST data value");
1368       break;
1369   }
1370
1371   if (result != CURLE_OK) {
1372     raiseError(conn, result);
1373   }
1374
1375   if (v_subparts != Val_emptylist) {
1376     curl_mime *mime = curl_mime_init(conn->handle);
1377
1378     while (v_subparts != Val_emptylist) {
1379       new_part(conn, mime, Field(v_subparts, 0));
1380       v_subparts = Field(v_subparts, 1);
1381     }
1382
1383     result = curl_mime_subparts(part, mime);
1384
1385     if (result != CURLE_OK) {
1386       raiseError(conn, result);
1387     }
1388   }
1389 }
1390
1391 static void handle_MIMEPOST(Connection* conn, value v_subparts)
1392 {
1393   CAMLparam1(v_subparts);
1394   curl_mime *mime = curl_mime_init(conn->handle);
1395   CURLcode result;
1396
1397   curl_mime_free(conn->curl_MIMEPOST);
1398   conn->curl_MIMEPOST = mime;
1399
1400   while (v_subparts != Val_emptylist) {
1401     new_part(conn, mime, Field(v_subparts, 0));
1402     v_subparts = Field(v_subparts, 1);
1403   }
1404
1405   result = curl_easy_setopt(conn->handle, CURLOPT_MIMEPOST, mime);
1406
1407   if (result != CURLE_OK) {
1408     raiseError(conn, result);
1409   }
1410
1411   CAMLreturn0;
1412 }
1413
1414 #endif
1415
1416 #define SETOPT_SLIST(name) \
1417 static void handle_##name(Connection* conn, value option) \
1418 { \
1419   handle_slist(conn,&(conn->curl_##name),CURLOPT_##name,option); \
1420 }
1421
1422 SETOPT_STRING( URL)
1423 SETOPT_LONG( INFILESIZE)
1424 SETOPT_STRING( PROXY)
1425 SETOPT_LONG( PROXYPORT)
1426 SETOPT_BOOL( HTTPPROXYTUNNEL)
1427 SETOPT_BOOL( VERBOSE)
1428 SETOPT_BOOL( HEADER)
1429 SETOPT_BOOL( NOPROGRESS)
1430
1431 #if HAVE_DECL_CURLOPT_NOSIGNAL
1432 SETOPT_BOOL( NOSIGNAL)
1433 #endif
1434
1435 SETOPT_BOOL( NOBODY)
1436 SETOPT_BOOL( FAILONERROR)
1437 SETOPT_BOOL( UPLOAD)
1438 SETOPT_BOOL( POST)
1439 SETOPT_BOOL( FTPLISTONLY)
1440 SETOPT_BOOL( FTPAPPEND)
1441
1442
1443 static void handle_NETRC(Connection *conn, value option)
1444 {
1445     CAMLparam1(option);
1446     CURLcode result = CURLE_OK;
1447     long netrc;
1448
1449     switch (Long_val(option))
1450     {
1451     case 0: /* CURL_NETRC_OPTIONAL */
1452         netrc = CURL_NETRC_OPTIONAL;
1453         break;
1454
1455     case 1:/* CURL_NETRC_IGNORED */
1456         netrc = CURL_NETRC_IGNORED;
1457         break;
1458
1459     case 2: /* CURL_NETRC_REQUIRED */
1460         netrc = CURL_NETRC_REQUIRED;
1461         break;
1462
1463     default:
1464         caml_failwith("Invalid NETRC Option");
1465         break;
1466     }
1467
1468     result = curl_easy_setopt(conn->handle,
1469                               CURLOPT_NETRC,
1470                               netrc);
1471
1472     if (result != CURLE_OK)
1473         raiseError(conn, result);
1474
1475     CAMLreturn0;
1476 }
1477
1478 #if HAVE_DECL_CURLOPT_ENCODING
1479 static void handle_ENCODING(Connection *conn, value option)
1480 {
1481     CAMLparam1(option);
1482     CURLcode result = CURLE_OK;
1483
1484     switch (Long_val(option))
1485     {
1486     case 0: /* CURL_ENCODING_NONE */
1487         result = curl_easy_setopt(conn->handle,
1488                                   CURLOPT_ENCODING,
1489                                   "identity");
1490         break;
1491
1492     case 1: /* CURL_ENCODING_DEFLATE */
1493         result = curl_easy_setopt(conn->handle,
1494                                   CURLOPT_ENCODING,
1495                                   "deflate");
1496         break;
1497
1498     case 2: /* CURL_ENCODING_GZIP */
1499         result = curl_easy_setopt(conn->handle,
1500                                   CURLOPT_ENCODING,
1501                                   "gzip");
1502         break;
1503
1504     case 3: /* CURL_ENCODING_ANY */
1505         result = curl_easy_setopt(conn->handle,
1506                                   CURLOPT_ENCODING,
1507                                   "");
1508         break;
1509
1510     default:
1511         caml_failwith("Invalid Encoding Option");
1512         break;
1513     }
1514
1515     if (result != CURLE_OK)
1516         raiseError(conn, result);
1517
1518     CAMLreturn0;
1519 }
1520 #endif
1521
1522
1523 SETOPT_BOOL( FOLLOWLOCATION)
1524 SETOPT_BOOL( TRANSFERTEXT)
1525 SETOPT_BOOL( PUT)
1526 SETOPT_STRING( USERPWD)
1527 SETOPT_STRING( PROXYUSERPWD)
1528 SETOPT_STRING( RANGE)
1529
1530 static void handle_ERRORBUFFER(Connection *conn, value option)
1531 {
1532     CAMLparam1(option);
1533     CURLcode result = CURLE_OK;
1534
1535     Store_field(conn->ocamlValues, Ocaml_ERRORBUFFER, option);
1536
1537     if (conn->curl_ERRORBUFFER != NULL)
1538         free(conn->curl_ERRORBUFFER);
1539
1540     conn->curl_ERRORBUFFER = (char*)malloc(sizeof(char) * CURL_ERROR_SIZE);
1541
1542     result = curl_easy_setopt(conn->handle,
1543                               CURLOPT_ERRORBUFFER,
1544                               conn->curl_ERRORBUFFER);
1545
1546     if (result != CURLE_OK)
1547         raiseError(conn, result);
1548
1549     CAMLreturn0;
1550 }
1551
1552 SETOPT_LONG( TIMEOUT)
1553
1554 static void handle_POSTFIELDS(Connection *conn, value option)
1555 {
1556     CAMLparam1(option);
1557     CURLcode result = CURLE_OK;
1558
1559     if (conn->curl_POSTFIELDS != NULL)
1560         free(conn->curl_POSTFIELDS);
1561
1562     conn->curl_POSTFIELDS = strdup_ml(option);
1563
1564     result = curl_easy_setopt(conn->handle,
1565                               CURLOPT_POSTFIELDS,
1566                               conn->curl_POSTFIELDS);
1567
1568     if (result != CURLE_OK)
1569         raiseError(conn, result);
1570
1571     CAMLreturn0;
1572 }
1573
1574 SETOPT_LONG( POSTFIELDSIZE)
1575 SETOPT_STRING( REFERER)
1576 SETOPT_STRING( USERAGENT)
1577 SETOPT_STRING( FTPPORT)
1578 SETOPT_LONG( LOW_SPEED_LIMIT)
1579 SETOPT_LONG( LOW_SPEED_TIME)
1580 SETOPT_LONG( RESUME_FROM)
1581 SETOPT_STRING( COOKIE)
1582
1583 SETOPT_SLIST( HTTPHEADER)
1584
1585 static void handle_HTTPPOST(Connection *conn, value option)
1586 {
1587     CAMLparam1(option);
1588     CAMLlocal3(listIter, formItem, contentType);
1589     CURLcode result = CURLE_OK;
1590
1591     listIter = option;
1592
1593     free_curl_slist(conn->httpPostBuffers);
1594     if (conn->httpPostFirst != NULL)
1595         curl_formfree(conn->httpPostFirst);
1596
1597     conn->httpPostBuffers = NULL;
1598     conn->httpPostFirst = NULL;
1599     conn->httpPostLast = NULL;
1600
1601     while (!Is_long(listIter))
1602     {
1603         formItem = Field(listIter, 0);
1604
1605         switch (Tag_val(formItem))
1606         {
1607         case 0: /* CURLFORM_CONTENT */
1608             if (Wosize_val(formItem) < 3)
1609             {
1610                 caml_failwith("Incorrect CURLFORM_CONTENT parameters");
1611             }
1612
1613             if (Is_long(Field(formItem, 2)) &&
1614                 Long_val(Field(formItem, 2)) == 0)
1615             {
1616                 curl_formadd(&conn->httpPostFirst,
1617                              &conn->httpPostLast,
1618                              CURLFORM_COPYNAME,
1619                              String_val(Field(formItem, 0)),
1620                              CURLFORM_NAMELENGTH,
1621                              caml_string_length(Field(formItem, 0)),
1622                              CURLFORM_COPYCONTENTS,
1623                              String_val(Field(formItem, 1)),
1624                              CURLFORM_CONTENTSLENGTH,
1625                              caml_string_length(Field(formItem, 1)),
1626                              CURLFORM_END);
1627             }
1628             else if (Is_block(Field(formItem, 2)))
1629             {
1630                 contentType = Field(formItem, 2);
1631
1632                 curl_formadd(&conn->httpPostFirst,
1633                              &conn->httpPostLast,
1634                              CURLFORM_COPYNAME,
1635                              String_val(Field(formItem, 0)),
1636                              CURLFORM_NAMELENGTH,
1637                              caml_string_length(Field(formItem, 0)),
1638                              CURLFORM_COPYCONTENTS,
1639                              String_val(Field(formItem, 1)),
1640                              CURLFORM_CONTENTSLENGTH,
1641                              caml_string_length(Field(formItem, 1)),
1642                              CURLFORM_CONTENTTYPE,
1643                              String_val(Field(contentType, 0)),
1644                              CURLFORM_END);
1645             }
1646             else
1647             {
1648                 caml_failwith("Incorrect CURLFORM_CONTENT parameters");
1649             }
1650             break;
1651
1652         case 1: /* CURLFORM_FILECONTENT */
1653             if (Wosize_val(formItem) < 3)
1654             {
1655                 caml_failwith("Incorrect CURLFORM_FILECONTENT parameters");
1656             }
1657
1658             if (Is_long(Field(formItem, 2)) &&
1659                 Long_val(Field(formItem, 2)) == 0)
1660             {
1661                 curl_formadd(&conn->httpPostFirst,
1662                              &conn->httpPostLast,
1663                              CURLFORM_COPYNAME,
1664                              String_val(Field(formItem, 0)),
1665                              CURLFORM_NAMELENGTH,
1666                              caml_string_length(Field(formItem, 0)),
1667                              CURLFORM_FILECONTENT,
1668                              String_val(Field(formItem, 1)),
1669                              CURLFORM_END);
1670             }
1671             else if (Is_block(Field(formItem, 2)))
1672             {
1673                 contentType = Field(formItem, 2);
1674
1675                 curl_formadd(&conn->httpPostFirst,
1676                              &conn->httpPostLast,
1677                              CURLFORM_COPYNAME,
1678                              String_val(Field(formItem, 0)),
1679                              CURLFORM_NAMELENGTH,
1680                              caml_string_length(Field(formItem, 0)),
1681                              CURLFORM_FILECONTENT,
1682                              String_val(Field(formItem, 1)),
1683                              CURLFORM_CONTENTTYPE,
1684                              String_val(Field(contentType, 0)),
1685                              CURLFORM_END);
1686             }
1687             else
1688             {
1689                 caml_failwith("Incorrect CURLFORM_FILECONTENT parameters");
1690             }
1691             break;
1692
1693         case 2: /* CURLFORM_FILE */
1694             if (Wosize_val(formItem) < 3)
1695             {
1696                 caml_failwith("Incorrect CURLFORM_FILE parameters");
1697             }
1698
1699             if (Is_long(Field(formItem, 2)) &&
1700                 Long_val(Field(formItem, 2)) == 0)
1701             {
1702                 curl_formadd(&conn->httpPostFirst,
1703                              &conn->httpPostLast,
1704                              CURLFORM_COPYNAME,
1705                              String_val(Field(formItem, 0)),
1706                              CURLFORM_NAMELENGTH,
1707                              caml_string_length(Field(formItem, 0)),
1708                              CURLFORM_FILE,
1709                              String_val(Field(formItem, 1)),
1710                              CURLFORM_END);
1711             }
1712             else if (Is_block(Field(formItem, 2)))
1713             {
1714                 contentType = Field(formItem, 2);
1715
1716                 curl_formadd(&conn->httpPostFirst,
1717                              &conn->httpPostLast,
1718                              CURLFORM_COPYNAME,
1719                              String_val(Field(formItem, 0)),
1720                              CURLFORM_NAMELENGTH,
1721                              caml_string_length(Field(formItem, 0)),
1722                              CURLFORM_FILE,
1723                              String_val(Field(formItem, 1)),
1724                              CURLFORM_CONTENTTYPE,
1725                              String_val(Field(contentType, 0)),
1726                              CURLFORM_END);
1727             }
1728             else
1729             {
1730                 caml_failwith("Incorrect CURLFORM_FILE parameters");
1731             }
1732             break;
1733
1734         case 3: /* CURLFORM_BUFFER */
1735             if (Wosize_val(formItem) < 4)
1736             {
1737                 caml_failwith("Incorrect CURLFORM_BUFFER parameters");
1738             }
1739
1740             if (Is_long(Field(formItem, 3)) &&
1741                 Long_val(Field(formItem, 3)) == 0)
1742             {
1743                 conn->httpPostBuffers = curl_slist_prepend_ml(conn->httpPostBuffers, Field(formItem, 2));
1744
1745                 curl_formadd(&conn->httpPostFirst,
1746                              &conn->httpPostLast,
1747                              CURLFORM_COPYNAME,
1748                              String_val(Field(formItem, 0)),
1749                              CURLFORM_NAMELENGTH,
1750                              caml_string_length(Field(formItem, 0)),
1751                              CURLFORM_BUFFER,
1752                              String_val(Field(formItem, 1)),
1753                              CURLFORM_BUFFERPTR,
1754                              conn->httpPostBuffers->data,
1755                              CURLFORM_BUFFERLENGTH,
1756                              caml_string_length(Field(formItem, 2)),
1757                              CURLFORM_END);
1758             }
1759             else if (Is_block(Field(formItem, 3)))
1760             {
1761                 conn->httpPostBuffers = curl_slist_prepend_ml(conn->httpPostBuffers, Field(formItem, 2));
1762
1763                 contentType = Field(formItem, 3);
1764
1765                 curl_formadd(&conn->httpPostFirst,
1766                              &conn->httpPostLast,
1767                              CURLFORM_COPYNAME,
1768                              String_val(Field(formItem, 0)),
1769                              CURLFORM_NAMELENGTH,
1770                              caml_string_length(Field(formItem, 0)),
1771                              CURLFORM_BUFFER,
1772                              String_val(Field(formItem, 1)),
1773                              CURLFORM_BUFFERPTR,
1774                              conn->httpPostBuffers->data,
1775                              CURLFORM_BUFFERLENGTH,
1776                              caml_string_length(Field(formItem, 2)),
1777                              CURLFORM_CONTENTTYPE,
1778                              String_val(Field(contentType, 0)),
1779                              CURLFORM_END);
1780             }
1781             else
1782             {
1783                 caml_failwith("Incorrect CURLFORM_BUFFER parameters");
1784             }
1785             break;
1786         }
1787
1788         listIter = Field(listIter, 1);
1789     }
1790
1791     result = curl_easy_setopt(conn->handle,
1792                               CURLOPT_HTTPPOST,
1793                               conn->httpPostFirst);
1794
1795     if (result != CURLE_OK)
1796         raiseError(conn, result);
1797
1798     CAMLreturn0;
1799 }
1800
1801 SETOPT_STRING( SSLCERT)
1802 SETOPT_STRING( SSLCERTTYPE)
1803 SETOPT_STRING( SSLCERTPASSWD)
1804 SETOPT_STRING( SSLKEY)
1805 SETOPT_STRING( SSLKEYTYPE)
1806 SETOPT_STRING( SSLKEYPASSWD)
1807 SETOPT_STRING( SSLENGINE)
1808 SETOPT_BOOL( SSLENGINE_DEFAULT)
1809 SETOPT_BOOL( CRLF)
1810
1811 SETOPT_SLIST( QUOTE)
1812 SETOPT_SLIST( POSTQUOTE)
1813
1814 SETOPT_STRING( COOKIEFILE)
1815 #if HAVE_DECL_CURLOPT_CERTINFO
1816 SETOPT_BOOL( CERTINFO)
1817 #endif
1818
1819 #if !HAVE_DECL_CURL_SSLVERSION_TLSV1_0
1820 #define CURL_SSLVERSION_TLSv1_0 CURL_SSLVERSION_TLSv1
1821 #endif
1822
1823 #if !HAVE_DECL_CURL_SSLVERSION_TLSV1_1
1824 #define CURL_SSLVERSION_TLSv1_1 CURL_SSLVERSION_TLSv1
1825 #endif
1826
1827 #if !HAVE_DECL_CURL_SSLVERSION_TLSV1_2
1828 #define CURL_SSLVERSION_TLSv1_2 CURL_SSLVERSION_TLSv1
1829 #endif
1830
1831 #if !HAVE_DECL_CURL_SSLVERSION_TLSV1_3
1832 #define CURL_SSLVERSION_TLSv1_3 CURL_SSLVERSION_TLSv1
1833 #endif
1834
1835 static void handle_SSLVERSION(Connection *conn, value option)
1836 {
1837     CAMLparam1(option);
1838     CURLcode result = CURLE_OK;
1839     int v = CURL_SSLVERSION_DEFAULT;
1840
1841     switch (Long_val(option))
1842     {
1843     case 0: v = CURL_SSLVERSION_DEFAULT; break;
1844     case 1: v = CURL_SSLVERSION_TLSv1; break;
1845     case 2: v = CURL_SSLVERSION_SSLv2; break;
1846     case 3: v = CURL_SSLVERSION_SSLv3; break;
1847     case 4: v = CURL_SSLVERSION_TLSv1_0; break;
1848     case 5: v = CURL_SSLVERSION_TLSv1_1; break;
1849     case 6: v = CURL_SSLVERSION_TLSv1_2; break;
1850     case 7: v = CURL_SSLVERSION_TLSv1_3; break;
1851     default:
1852         caml_failwith("Invalid SSLVERSION Option");
1853         break;
1854     }
1855
1856     result = curl_easy_setopt(conn->handle, CURLOPT_SSLVERSION, v);
1857
1858     if (result != CURLE_OK)
1859         raiseError(conn, result);
1860
1861     CAMLreturn0;
1862 }
1863
1864 static void handle_TIMECONDITION(Connection *conn, value option)
1865 {
1866     CAMLparam1(option);
1867     CURLcode result = CURLE_OK;
1868     int timecond = CURL_TIMECOND_NONE;
1869
1870     switch (Long_val(option))
1871     {
1872     case 0: timecond = CURL_TIMECOND_NONE; break;
1873     case 1: timecond = CURL_TIMECOND_IFMODSINCE; break;
1874     case 2: timecond = CURL_TIMECOND_IFUNMODSINCE; break;
1875     case 3: timecond = CURL_TIMECOND_LASTMOD; break;
1876     default:
1877         caml_failwith("Invalid TIMECOND Option");
1878         break;
1879     }
1880
1881     result = curl_easy_setopt(conn->handle, CURLOPT_TIMECONDITION, timecond);
1882
1883     if (result != CURLE_OK)
1884         raiseError(conn, result);
1885
1886     CAMLreturn0;
1887 }
1888
1889 SETOPT_VAL( TIMEVALUE, Int32_val)
1890 SETOPT_STRING( CUSTOMREQUEST)
1891 SETOPT_STRING( INTERFACE)
1892
1893 static void handle_KRB4LEVEL(Connection *conn, value option)
1894 {
1895     CAMLparam1(option);
1896     CURLcode result = CURLE_OK;
1897
1898     switch (Long_val(option))
1899     {
1900     case 0: /* KRB4_NONE */
1901         result = curl_easy_setopt(conn->handle,
1902                                   CURLOPT_KRB4LEVEL,
1903                                   NULL);
1904         break;
1905
1906     case 1: /* KRB4_CLEAR */
1907         result = curl_easy_setopt(conn->handle,
1908                                   CURLOPT_KRB4LEVEL,
1909                                   "clear");
1910         break;
1911
1912     case 2: /* KRB4_SAFE */
1913         result = curl_easy_setopt(conn->handle,
1914                                   CURLOPT_KRB4LEVEL,
1915                                   "safe");
1916         break;
1917
1918     case 3: /* KRB4_CONFIDENTIAL */
1919         result = curl_easy_setopt(conn->handle,
1920                                   CURLOPT_KRB4LEVEL,
1921                                   "confidential");
1922         break;
1923
1924     case 4: /* KRB4_PRIVATE */
1925         result = curl_easy_setopt(conn->handle,
1926                                   CURLOPT_KRB4LEVEL,
1927                                   "private");
1928         break;
1929
1930     default:
1931         caml_failwith("Invalid KRB4 Option");
1932         break;
1933     }
1934
1935     if (result != CURLE_OK)
1936         raiseError(conn, result);
1937
1938     CAMLreturn0;
1939 }
1940
1941 SETOPT_BOOL( SSL_VERIFYPEER)
1942 SETOPT_STRING( CAINFO)
1943 SETOPT_STRING( CAPATH)
1944 SETOPT_BOOL( FILETIME)
1945 SETOPT_LONG( MAXREDIRS)
1946 SETOPT_LONG( MAXCONNECTS)
1947
1948 static void handle_CLOSEPOLICY(Connection *conn, value option)
1949 {
1950     CAMLparam1(option);
1951     CURLcode result = CURLE_OK;
1952
1953     switch (Long_val(option))
1954     {
1955     case 0: /* CLOSEPOLICY_OLDEST */
1956         result = curl_easy_setopt(conn->handle,
1957                                   CURLOPT_CLOSEPOLICY,
1958                                   CURLCLOSEPOLICY_OLDEST);
1959         break;
1960
1961     case 1: /* CLOSEPOLICY_LEAST_RECENTLY_USED */
1962         result = curl_easy_setopt(conn->handle,
1963                                   CURLOPT_CLOSEPOLICY,
1964                                   CURLCLOSEPOLICY_LEAST_RECENTLY_USED);
1965         break;
1966
1967     default:
1968         caml_failwith("Invalid CLOSEPOLICY Option");
1969         break;
1970     }
1971
1972     if (result != CURLE_OK)
1973         raiseError(conn, result);
1974
1975     CAMLreturn0;
1976 }
1977
1978 SETOPT_BOOL( FRESH_CONNECT)
1979 SETOPT_BOOL( FORBID_REUSE)
1980 SETOPT_STRING( RANDOM_FILE)
1981 SETOPT_STRING( EGDSOCKET)
1982 SETOPT_LONG( CONNECTTIMEOUT)
1983 SETOPT_BOOL( HTTPGET)
1984
1985 static void handle_SSL_VERIFYHOST(Connection *conn, value option)
1986 {
1987     CAMLparam1(option);
1988     CURLcode result = CURLE_OK;
1989
1990     switch (Long_val(option))
1991     {
1992     case 0: /* SSLVERIFYHOST_NONE */
1993     case 1: /* SSLVERIFYHOST_EXISTENCE */
1994     case 2: /* SSLVERIFYHOST_HOSTNAME */
1995         result = curl_easy_setopt(conn->handle,
1996                                   CURLOPT_SSL_VERIFYHOST,
1997                                   /* map EXISTENCE to HOSTNAME */
1998                                   Long_val(option) == 0 ? 0 : 2);
1999         break;
2000
2001     default:
2002         caml_failwith("Invalid SSLVERIFYHOST Option");
2003         break;
2004     }
2005
2006     if (result != CURLE_OK)
2007         raiseError(conn, result);
2008
2009     CAMLreturn0;
2010 }
2011
2012 SETOPT_STRING( COOKIEJAR)
2013 SETOPT_STRING( SSL_CIPHER_LIST)
2014
2015 static void handle_HTTP_VERSION(Connection *conn, value option)
2016 {
2017     CAMLparam1(option);
2018     CURLcode result = CURLE_OK;
2019
2020     long version = CURL_HTTP_VERSION_NONE;
2021
2022     switch (Long_val(option))
2023     {
2024     case 0: version = CURL_HTTP_VERSION_NONE; break;
2025     case 1: version = CURL_HTTP_VERSION_1_0; break;
2026     case 2: version = CURL_HTTP_VERSION_1_1; break;
2027     case 3:
2028 #if HAVE_DECL_CURL_HTTP_VERSION_2
2029       version = CURL_HTTP_VERSION_2;
2030 #elif HAVE_DECL_CURL_HTTP_VERSION_2_0
2031       version = CURL_HTTP_VERSION_2_0;
2032 #endif
2033       break;
2034     case 4:
2035 #if HAVE_DECL_CURL_HTTP_VERSION_2TLS
2036       version = CURL_HTTP_VERSION_2TLS;
2037 #endif
2038       break;
2039     case 5:
2040 #if HAVE_DECL_CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE
2041       version = CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE;
2042 #endif
2043       break;
2044     default:
2045       caml_invalid_argument("CURLOPT_HTTP_VERSION");
2046       break;
2047     }
2048
2049     result = curl_easy_setopt(conn->handle, CURLOPT_HTTP_VERSION, version);
2050
2051     if (result != CURLE_OK)
2052         raiseError(conn, result);
2053
2054     CAMLreturn0;
2055 }
2056
2057 SETOPT_BOOL( FTP_USE_EPSV)
2058 SETOPT_LONG( DNS_CACHE_TIMEOUT)
2059 SETOPT_BOOL( DNS_USE_GLOBAL_CACHE)
2060
2061 static void handle_PRIVATE(Connection *conn, value option)
2062 {
2063     CAMLparam1(option);
2064     Store_field(conn->ocamlValues, Ocaml_PRIVATE, option);
2065     CAMLreturn0;
2066 }
2067
2068 #if HAVE_DECL_CURLOPT_HTTP200ALIASES
2069 SETOPT_SLIST( HTTP200ALIASES)
2070 #endif
2071
2072 #if HAVE_DECL_CURLOPT_UNRESTRICTED_AUTH
2073 SETOPT_BOOL( UNRESTRICTED_AUTH)
2074 #endif
2075
2076 #if HAVE_DECL_CURLOPT_FTP_USE_EPRT
2077 SETOPT_BOOL( FTP_USE_EPRT)
2078 #endif
2079
2080 #if HAVE_DECL_CURLOPT_HTTPAUTH
2081 static void handle_HTTPAUTH(Connection *conn, value option)
2082 {
2083     CAMLparam1(option);
2084     CAMLlocal1(listIter);
2085     CURLcode result = CURLE_OK;
2086     long auth = CURLAUTH_NONE;
2087
2088     listIter = option;
2089
2090     while (!Is_long(listIter))
2091     {
2092         switch (Long_val(Field(listIter, 0)))
2093         {
2094         case 0: /* CURLAUTH_BASIC */
2095             auth |= CURLAUTH_BASIC;
2096             break;
2097
2098         case 1: /* CURLAUTH_DIGEST */
2099             auth |= CURLAUTH_DIGEST;
2100             break;
2101
2102         case 2: /* CURLAUTH_GSSNEGOTIATE */
2103             auth |= CURLAUTH_GSSNEGOTIATE;
2104             break;
2105
2106         case 3: /* CURLAUTH_NTLM */
2107             auth |= CURLAUTH_NTLM;
2108             break;
2109
2110         case 4: /* CURLAUTH_ANY */
2111             auth |= CURLAUTH_ANY;
2112             break;
2113
2114         case 5: /* CURLAUTH_ANYSAFE */
2115             auth |= CURLAUTH_ANYSAFE;
2116             break;
2117
2118         default:
2119             caml_failwith("Invalid HTTPAUTH Value");
2120             break;
2121         }
2122
2123         listIter = Field(listIter, 1);
2124     }
2125
2126     result = curl_easy_setopt(conn->handle,
2127                               CURLOPT_HTTPAUTH,
2128                               auth);
2129
2130     if (result != CURLE_OK)
2131         raiseError(conn, result);
2132
2133     CAMLreturn0;
2134 }
2135 #endif
2136
2137 #if HAVE_DECL_CURLOPT_FTP_CREATE_MISSING_DIRS
2138 SETOPT_BOOL( FTP_CREATE_MISSING_DIRS)
2139 #endif
2140
2141 #if HAVE_DECL_CURLOPT_PROXYAUTH
2142 static void handle_PROXYAUTH(Connection *conn, value option)
2143 {
2144     CAMLparam1(option);
2145     CAMLlocal1(listIter);
2146     CURLcode result = CURLE_OK;
2147     long auth = CURLAUTH_NONE;
2148
2149     listIter = option;
2150
2151     while (!Is_long(listIter))
2152     {
2153         switch (Long_val(Field(listIter, 0)))
2154         {
2155         case 0: /* CURLAUTH_BASIC */
2156             auth |= CURLAUTH_BASIC;
2157             break;
2158
2159         case 1: /* CURLAUTH_DIGEST */
2160             auth |= CURLAUTH_DIGEST;
2161             break;
2162
2163         case 2: /* CURLAUTH_GSSNEGOTIATE */
2164             auth |= CURLAUTH_GSSNEGOTIATE;
2165             break;
2166
2167         case 3: /* CURLAUTH_NTLM */
2168             auth |= CURLAUTH_NTLM;
2169             break;
2170
2171         case 4: /* CURLAUTH_ANY */
2172             auth |= CURLAUTH_ANY;
2173             break;
2174
2175         case 5: /* CURLAUTH_ANYSAFE */
2176             auth |= CURLAUTH_ANYSAFE;
2177             break;
2178
2179         default:
2180             caml_failwith("Invalid HTTPAUTH Value");
2181             break;
2182         }
2183
2184         listIter = Field(listIter, 1);
2185     }
2186
2187     result = curl_easy_setopt(conn->handle,
2188                               CURLOPT_PROXYAUTH,
2189                               auth);
2190
2191     if (result != CURLE_OK)
2192         raiseError(conn, result);
2193
2194     CAMLreturn0;
2195 }
2196 #endif
2197
2198 #if HAVE_DECL_CURLOPT_FTP_RESPONSE_TIMEOUT
2199 SETOPT_LONG( FTP_RESPONSE_TIMEOUT)
2200 #endif
2201
2202 #if HAVE_DECL_CURLOPT_IPRESOLVE
2203 static void handle_IPRESOLVE(Connection *conn, value option)
2204 {
2205     CAMLparam1(option);
2206     CURLcode result = CURLE_OK;
2207
2208     switch (Long_val(option))
2209     {
2210     case 0: /* CURL_IPRESOLVE_WHATEVER */
2211         result = curl_easy_setopt(conn->handle,
2212                                   CURLOPT_IPRESOLVE,
2213                                   CURL_IPRESOLVE_WHATEVER);
2214         break;
2215
2216     case 1: /* CURL_IPRESOLVE_V4 */
2217         result = curl_easy_setopt(conn->handle,
2218                                   CURLOPT_IPRESOLVE,
2219                                   CURL_IPRESOLVE_V4);
2220         break;
2221
2222     case 2: /* CURL_IPRESOLVE_V6 */
2223         result = curl_easy_setopt(conn->handle,
2224                                   CURLOPT_IPRESOLVE,
2225                                   CURL_IPRESOLVE_V6);
2226         break;
2227
2228     default:
2229         caml_failwith("Invalid IPRESOLVE Value");
2230         break;
2231     }
2232
2233     if (result != CURLE_OK)
2234         raiseError(conn, result);
2235
2236     CAMLreturn0;
2237 }
2238 #endif
2239
2240 #if HAVE_DECL_CURLOPT_MAXFILESIZE
2241 SETOPT_VAL( MAXFILESIZE, Int32_val)
2242 #endif
2243
2244 #if HAVE_DECL_CURLOPT_INFILESIZE_LARGE
2245 SETOPT_INT64( INFILESIZE_LARGE)
2246 #endif
2247
2248 #if HAVE_DECL_CURLOPT_RESUME_FROM_LARGE
2249 SETOPT_INT64( RESUME_FROM_LARGE)
2250 #endif
2251
2252 #if HAVE_DECL_CURLOPT_MAXFILESIZE_LARGE
2253 SETOPT_INT64( MAXFILESIZE_LARGE)
2254 #endif
2255
2256 #if HAVE_DECL_CURLOPT_NETRC_FILE
2257 SETOPT_STRING( NETRC_FILE)
2258 #endif
2259
2260 #if HAVE_DECL_CURLOPT_FTP_SSL
2261 static void handle_FTP_SSL(Connection *conn, value option)
2262 {
2263     CAMLparam1(option);
2264     CURLcode result = CURLE_OK;
2265
2266     switch (Long_val(option))
2267     {
2268     case 0: /* CURLFTPSSL_NONE */
2269         result = curl_easy_setopt(conn->handle,
2270                                   CURLOPT_FTP_SSL,
2271                                   CURLFTPSSL_NONE);
2272         break;
2273
2274     case 1: /* CURLFTPSSL_TRY */
2275         result = curl_easy_setopt(conn->handle,
2276                                   CURLOPT_FTP_SSL,
2277                                   CURLFTPSSL_TRY);
2278         break;
2279
2280     case 2: /* CURLFTPSSL_CONTROL */
2281         result = curl_easy_setopt(conn->handle,
2282                                   CURLOPT_FTP_SSL,
2283                                   CURLFTPSSL_CONTROL);
2284         break;
2285
2286     case 3: /* CURLFTPSSL_ALL */
2287         result = curl_easy_setopt(conn->handle,
2288                                   CURLOPT_FTP_SSL,
2289                                   CURLFTPSSL_ALL);
2290         break;
2291
2292     default:
2293         caml_failwith("Invalid FTP_SSL Value");
2294         break;
2295     }
2296
2297     if (result != CURLE_OK)
2298         raiseError(conn, result);
2299
2300     CAMLreturn0;
2301 }
2302 #endif
2303
2304 #if HAVE_DECL_CURLOPT_POSTFIELDSIZE_LARGE
2305 SETOPT_INT64( POSTFIELDSIZE_LARGE)
2306 #endif
2307
2308 #if HAVE_DECL_CURLOPT_TCP_NODELAY
2309 /* not using SETOPT_BOOL here because of TCP_NODELAY defined in winsock.h */
2310 SETOPT_VAL_( handle_TCP_NODELAY, CURLOPT_TCP_NODELAY, Bool_val)
2311 #endif
2312
2313 #if HAVE_DECL_CURLOPT_FTPSSLAUTH
2314 static void handle_FTPSSLAUTH(Connection *conn, value option)
2315 {
2316     CAMLparam1(option);
2317     CURLcode result = CURLE_OK;
2318
2319     switch (Long_val(option))
2320     {
2321     case 0: /* CURLFTPAUTH_DEFAULT */
2322         result = curl_easy_setopt(conn->handle,
2323                                   CURLOPT_FTPSSLAUTH,
2324                                   CURLFTPAUTH_DEFAULT);
2325         break;
2326
2327     case 1: /* CURLFTPAUTH_SSL */
2328         result = curl_easy_setopt(conn->handle,
2329                                   CURLOPT_FTPSSLAUTH,
2330                                   CURLFTPAUTH_SSL);
2331         break;
2332
2333     case 2: /* CURLFTPAUTH_TLS */
2334         result = curl_easy_setopt(conn->handle,
2335                                   CURLOPT_FTPSSLAUTH,
2336                                   CURLFTPAUTH_TLS);
2337         break;
2338
2339     default:
2340         caml_failwith("Invalid FTPSSLAUTH value");
2341         break;
2342     }
2343
2344     if (result != CURLE_OK)
2345         raiseError(conn, result);
2346
2347     CAMLreturn0;
2348 }
2349 #endif
2350
2351 #if HAVE_DECL_CURLOPT_FTP_ACCOUNT
2352 SETOPT_STRING( FTP_ACCOUNT)
2353 #endif
2354
2355 #if HAVE_DECL_CURLOPT_COOKIELIST
2356 SETOPT_STRING( COOKIELIST)
2357 #endif
2358
2359 #if HAVE_DECL_CURLOPT_IGNORE_CONTENT_LENGTH
2360 SETOPT_BOOL( IGNORE_CONTENT_LENGTH)
2361 #endif
2362
2363 #if HAVE_DECL_CURLOPT_FTP_SKIP_PASV_IP
2364 SETOPT_BOOL( FTP_SKIP_PASV_IP)
2365 #endif
2366
2367 #if HAVE_DECL_CURLOPT_FTP_FILEMETHOD
2368 static void handle_FTP_FILEMETHOD(Connection *conn, value option)
2369 {
2370     CAMLparam1(option);
2371     CURLcode result = CURLE_OK;
2372
2373     switch (Long_val(option))
2374     {
2375     case 0: /* CURLFTPMETHOD_DEFAULT */
2376         result = curl_easy_setopt(conn->handle,
2377                                   CURLOPT_FTP_FILEMETHOD,
2378                                   CURLFTPMETHOD_DEFAULT);
2379         break;
2380
2381     case 1: /* CURLFTMETHOD_MULTICWD */
2382         result = curl_easy_setopt(conn->handle,
2383                                   CURLOPT_FTP_FILEMETHOD,
2384                                   CURLFTPMETHOD_MULTICWD);
2385         break;
2386
2387     case 2: /* CURLFTPMETHOD_NOCWD */
2388         result = curl_easy_setopt(conn->handle,
2389                                   CURLOPT_FTP_FILEMETHOD,
2390                                   CURLFTPMETHOD_NOCWD);
2391         break;
2392
2393     case 3: /* CURLFTPMETHOD_SINGLECWD */
2394         result = curl_easy_setopt(conn->handle,
2395                                   CURLOPT_FTP_FILEMETHOD,
2396                                   CURLFTPMETHOD_SINGLECWD);
2397
2398     default:
2399         caml_failwith("Invalid FTP_FILEMETHOD value");
2400         break;
2401     }
2402
2403     if (result != CURLE_OK)
2404         raiseError(conn, result);
2405
2406     CAMLreturn0;
2407 }
2408 #endif
2409
2410 #if HAVE_DECL_CURLOPT_LOCALPORT
2411 SETOPT_LONG( LOCALPORT)
2412 #endif
2413
2414 #if HAVE_DECL_CURLOPT_LOCALPORTRANGE
2415 SETOPT_LONG( LOCALPORTRANGE)
2416 #endif
2417
2418 #if HAVE_DECL_CURLOPT_CONNECT_ONLY
2419 SETOPT_BOOL( CONNECT_ONLY)
2420 #endif
2421
2422 #if HAVE_DECL_CURLOPT_MAX_SEND_SPEED_LARGE
2423 SETOPT_INT64( MAX_SEND_SPEED_LARGE)
2424 #endif
2425
2426 #if HAVE_DECL_CURLOPT_MAX_RECV_SPEED_LARGE
2427 SETOPT_INT64( MAX_RECV_SPEED_LARGE)
2428 #endif
2429
2430 #if HAVE_DECL_CURLOPT_FTP_ALTERNATIVE_TO_USER
2431 SETOPT_STRING( FTP_ALTERNATIVE_TO_USER)
2432 #endif
2433
2434 #if HAVE_DECL_CURLOPT_SSL_SESSIONID_CACHE
2435 SETOPT_BOOL( SSL_SESSIONID_CACHE)
2436 #endif
2437
2438 #if HAVE_DECL_CURLOPT_SSH_AUTH_TYPES
2439 static void handle_SSH_AUTH_TYPES(Connection *conn, value option)
2440 {
2441     CAMLparam1(option);
2442     CAMLlocal1(listIter);
2443     CURLcode result = CURLE_OK;
2444     long authTypes = CURLSSH_AUTH_NONE;
2445
2446     listIter = option;
2447
2448     while (!Is_long(listIter))
2449     {
2450         switch (Long_val(Field(listIter, 0)))
2451         {
2452         case 0: /* CURLSSH_AUTH_ANY */
2453             authTypes |= CURLSSH_AUTH_ANY;
2454             break;
2455
2456         case 1: /* CURLSSH_AUTH_PUBLICKEY */
2457             authTypes |= CURLSSH_AUTH_PUBLICKEY;
2458             break;
2459
2460         case 2: /* CURLSSH_AUTH_PASSWORD */
2461             authTypes |= CURLSSH_AUTH_PASSWORD;
2462             break;
2463
2464         case 3: /* CURLSSH_AUTH_HOST */
2465             authTypes |= CURLSSH_AUTH_HOST;
2466             break;
2467
2468         case 4: /* CURLSSH_AUTH_KEYBOARD */
2469             authTypes |= CURLSSH_AUTH_KEYBOARD;
2470             break;
2471
2472         default:
2473             caml_failwith("Invalid CURLSSH_AUTH_TYPES Value");
2474             break;
2475         }
2476
2477         listIter = Field(listIter, 1);
2478     }
2479
2480     result = curl_easy_setopt(conn->handle,
2481                               CURLOPT_SSH_AUTH_TYPES,
2482                               authTypes);
2483
2484     if (result != CURLE_OK)
2485         raiseError(conn, result);
2486
2487     CAMLreturn0;
2488 }
2489 #endif
2490
2491 #if HAVE_DECL_CURLOPT_SSH_PUBLIC_KEYFILE
2492 SETOPT_STRING( SSH_PUBLIC_KEYFILE)
2493 #endif
2494
2495 #if HAVE_DECL_CURLOPT_SSH_PRIVATE_KEYFILE
2496 SETOPT_STRING( SSH_PRIVATE_KEYFILE)
2497 #endif
2498
2499 #if HAVE_DECL_CURLOPT_FTP_SSL_CCC
2500 static void handle_FTP_SSL_CCC(Connection *conn, value option)
2501 {
2502     CAMLparam1(option);
2503     CURLcode result = CURLE_OK;
2504
2505     switch (Long_val(option))
2506     {
2507     case 0: /* CURLFTPSSL_CCC_NONE */
2508         result = curl_easy_setopt(conn->handle,
2509                                   CURLOPT_FTP_SSL_CCC,
2510                                   CURLFTPSSL_CCC_NONE);
2511         break;
2512
2513     case 1: /* CURLFTPSSL_CCC_PASSIVE */
2514         result = curl_easy_setopt(conn->handle,
2515                                   CURLOPT_FTP_SSL_CCC,
2516                                   CURLFTPSSL_CCC_PASSIVE);
2517         break;
2518
2519     case 2: /* CURLFTPSSL_CCC_ACTIVE */
2520         result = curl_easy_setopt(conn->handle,
2521                                   CURLOPT_FTP_SSL_CCC,
2522                                   CURLFTPSSL_CCC_ACTIVE);
2523         break;
2524
2525     default:
2526         caml_failwith("Invalid FTPSSL_CCC value");
2527         break;
2528     }
2529
2530     if (result != CURLE_OK)
2531         raiseError(conn, result);
2532
2533     CAMLreturn0;
2534 }
2535 #endif
2536
2537 #if HAVE_DECL_CURLOPT_TIMEOUT_MS
2538 SETOPT_LONG( TIMEOUT_MS)
2539 #endif
2540
2541 #if HAVE_DECL_CURLOPT_CONNECTTIMEOUT_MS
2542 SETOPT_LONG( CONNECTTIMEOUT_MS)
2543 #endif
2544
2545 #if HAVE_DECL_CURLOPT_HTTP_TRANSFER_DECODING
2546 SETOPT_BOOL( HTTP_TRANSFER_DECODING)
2547 #endif
2548
2549 #if HAVE_DECL_CURLOPT_HTTP_CONTENT_DECODING
2550 SETOPT_BOOL( HTTP_CONTENT_DECODING)
2551 #endif
2552
2553 #if HAVE_DECL_CURLOPT_NEW_FILE_PERMS
2554 SETOPT_LONG( NEW_FILE_PERMS)
2555 #endif
2556
2557 #if HAVE_DECL_CURLOPT_NEW_DIRECTORY_PERMS
2558 SETOPT_LONG( NEW_DIRECTORY_PERMS)
2559 #endif
2560
2561 #if HAVE_DECL_CURLOPT_POST301
2562 SETOPT_BOOL( POST301)
2563 #endif
2564
2565 #if HAVE_DECL_CURLOPT_SSH_HOST_PUBLIC_KEY_MD5
2566 SETOPT_STRING( SSH_HOST_PUBLIC_KEY_MD5)
2567 #endif
2568
2569 #if HAVE_DECL_CURLOPT_COPYPOSTFIELDS
2570 SETOPT_STRING( COPYPOSTFIELDS)
2571 #endif
2572
2573 #if HAVE_DECL_CURLOPT_PROXY_TRANSFER_MODE
2574 SETOPT_BOOL( PROXY_TRANSFER_MODE)
2575 #endif
2576
2577 #if HAVE_DECL_CURLOPT_AUTOREFERER
2578 SETOPT_BOOL( AUTOREFERER)
2579 #endif
2580
2581 #if HAVE_DECL_CURLOPT_PROXYTYPE
2582 static void handle_PROXYTYPE(Connection *conn, value option)
2583 {
2584     CAMLparam1(option);
2585     CURLcode result = CURLE_OK;
2586     long proxy_type;
2587
2588     switch (Long_val(option))
2589     {
2590       case 0: proxy_type = CURLPROXY_HTTP; break;
2591       case 1: proxy_type = CURLPROXY_HTTP_1_0; break;
2592       case 2: proxy_type = CURLPROXY_SOCKS4; break;
2593       case 3: proxy_type = CURLPROXY_SOCKS5; break;
2594       case 4: proxy_type = CURLPROXY_SOCKS4A; break;
2595       case 5: proxy_type = CURLPROXY_SOCKS5_HOSTNAME; break;
2596       default:
2597         caml_failwith("Invalid curl proxy type");
2598     }
2599
2600     result = curl_easy_setopt(conn->handle,
2601                               CURLOPT_PROXYTYPE,
2602                               proxy_type);
2603
2604     if (result != CURLE_OK)
2605         raiseError(conn, result);
2606
2607     CAMLreturn0;
2608 }
2609 #endif
2610
2611 #if HAVE_DECL_CURLOPT_PROTOCOLS || HAVE_DECL_CURLOPT_REDIR_PROTOCOLS
2612
2613 long protoMap[] =
2614 {
2615   CURLPROTO_ALL,
2616   CURLPROTO_HTTP, CURLPROTO_HTTPS, CURLPROTO_FTP, CURLPROTO_FTPS, CURLPROTO_SCP, CURLPROTO_SFTP,
2617   CURLPROTO_TELNET, CURLPROTO_LDAP, CURLPROTO_LDAPS, CURLPROTO_DICT, CURLPROTO_FILE, CURLPROTO_TFTP,
2618 /* factor out with autoconf? */
2619 #if defined(CURLPROTO_IMAP)
2620   CURLPROTO_IMAP,
2621 #else
2622   0,
2623 #endif
2624 #if defined(CURLPROTO_IMAPS)
2625   CURLPROTO_IMAPS,
2626 #else
2627   0,
2628 #endif
2629 #if defined(CURLPROTO_POP3)
2630   CURLPROTO_POP3,
2631 #else
2632   0,
2633 #endif
2634 #if defined(CURLPROTO_POP3S)
2635   CURLPROTO_POP3S,
2636 #else
2637   0,
2638 #endif
2639 #if defined(CURLPROTO_SMTP)
2640   CURLPROTO_SMTP,
2641 #else
2642   0,
2643 #endif
2644 #if defined(CURLPROTO_SMTPS)
2645   CURLPROTO_SMTPS,
2646 #else
2647   0,
2648 #endif
2649 #if defined(CURLPROTO_RTSP)
2650   CURLPROTO_RTSP,
2651 #else
2652   0,
2653 #endif
2654 #if defined(CURLPROTO_RTMP)
2655   CURLPROTO_RTMP,
2656 #else
2657   0,
2658 #endif
2659 #if defined(CURLPROTO_RTMPT)
2660   CURLPROTO_RTMPT,
2661 #else
2662   0,
2663 #endif
2664 #if defined(CURLPROTO_RTMPE)
2665   CURLPROTO_RTMPE,
2666 #else
2667   0,
2668 #endif
2669 #if defined(CURLPROTO_RTMPTE)
2670   CURLPROTO_RTMPTE,
2671 #else
2672   0,
2673 #endif
2674 #if defined(CURLPROTO_RTMPS)
2675   CURLPROTO_RTMPS,
2676 #else
2677   0,
2678 #endif
2679 #if defined(CURLPROTO_RTMPTS)
2680   CURLPROTO_RTMPTS,
2681 #else
2682   0,
2683 #endif
2684 #if defined(CURLPROTO_GOPHER)
2685   CURLPROTO_GOPHER,
2686 #else
2687   0,
2688 #endif
2689 };
2690
2691 static void handle_PROTOCOLSOPTION(CURLoption curlopt, Connection *conn, value option)
2692 {
2693     CAMLparam1(option);
2694     CURLcode result = CURLE_OK;
2695     long bits = convert_bit_list(protoMap, sizeof(protoMap) / sizeof(protoMap[0]), option);
2696
2697     result = curl_easy_setopt(conn->handle, curlopt, bits);
2698
2699     if (result != CURLE_OK)
2700         raiseError(conn, result);
2701
2702     CAMLreturn0;
2703 }
2704 #endif
2705
2706 #if HAVE_DECL_CURLOPT_PROTOCOLS
2707 static void handle_PROTOCOLS(Connection *conn, value option)
2708 {
2709   handle_PROTOCOLSOPTION(CURLOPT_PROTOCOLS, conn, option);
2710 }
2711 #endif
2712
2713 #if HAVE_DECL_CURLOPT_REDIR_PROTOCOLS
2714 static void handle_REDIR_PROTOCOLS(Connection *conn, value option)
2715 {
2716   handle_PROTOCOLSOPTION(CURLOPT_REDIR_PROTOCOLS, conn, option);
2717 }
2718 #endif
2719
2720 #if HAVE_DECL_CURLOPT_RESOLVE
2721 SETOPT_SLIST( RESOLVE)
2722 #endif
2723
2724 #if HAVE_DECL_CURLOPT_DNS_SERVERS
2725 SETOPT_STRING( DNS_SERVERS)
2726 #endif
2727
2728 #if HAVE_DECL_CURLOPT_MAIL_FROM
2729 SETOPT_STRING( MAIL_FROM)
2730 #endif
2731
2732 #if HAVE_DECL_CURLOPT_MAIL_RCPT
2733 SETOPT_SLIST( MAIL_RCPT)
2734 #endif
2735
2736 #if HAVE_DECL_CURLOPT_PIPEWAIT
2737 SETOPT_BOOL( PIPEWAIT)
2738 #endif
2739
2740 #if HAVE_DECL_CURLOPT_USERNAME
2741 SETOPT_STRING( USERNAME)
2742 #endif
2743
2744 #if HAVE_DECL_CURLOPT_PASSWORD
2745 SETOPT_STRING( PASSWORD)
2746 #endif
2747
2748 #if HAVE_DECL_CURLOPT_LOGIN_OPTIONS
2749 SETOPT_STRING( LOGIN_OPTIONS)
2750 #endif
2751
2752 #if HAVE_DECL_CURLOPT_CONNECT_TO
2753 SETOPT_SLIST( CONNECT_TO)
2754 #endif
2755
2756 #if HAVE_DECL_CURLOPT_POSTREDIR
2757
2758 static int curlPostRedir_table[] = {
2759  CURL_REDIR_POST_ALL,
2760 #if defined(CURL_REDIR_POST_301)
2761   CURL_REDIR_POST_301,
2762 #else
2763   0,
2764 #endif
2765 #if defined(CURL_REDIR_POST_302)
2766   CURL_REDIR_POST_302,
2767 #else
2768   0,
2769 #endif
2770 #if defined(CURL_REDIR_POST_303)
2771   CURL_REDIR_POST_303,
2772 #else
2773   0,
2774 #endif
2775 };
2776
2777 static void handle_POSTREDIR(Connection *conn, value option)
2778 {
2779     CAMLparam1(option);
2780     CURLcode result = CURLE_OK;
2781     long bitmask = caml_convert_flag_list(option, curlPostRedir_table);
2782
2783     result = curl_easy_setopt(conn->handle,
2784                               CURLOPT_POSTREDIR,
2785                               bitmask);
2786
2787     if (result != CURLE_OK)
2788         raiseError(conn, result);
2789
2790     CAMLreturn0;
2791 }
2792 #endif
2793
2794 SETOPT_VAL( SSH_KNOWNHOSTS, String_val)
2795
2796 /**
2797  **  curl_easy_setopt helper function
2798  **/
2799
2800 #define CURLOPT(name) { handle_ ## name, "CURLOPT_"#name }
2801 #define HAVENOT(name) { NULL, "CURLOPT_"#name }
2802
2803 CURLOptionMapping implementedOptionMap[] =
2804 {
2805   CURLOPT(WRITEFUNCTION),
2806   CURLOPT(READFUNCTION),
2807   CURLOPT(INFILESIZE),
2808   CURLOPT(URL),
2809   CURLOPT(PROXY),
2810   CURLOPT(PROXYPORT),
2811   CURLOPT(HTTPPROXYTUNNEL),
2812   CURLOPT(VERBOSE),
2813   CURLOPT(HEADER),
2814   CURLOPT(NOPROGRESS),
2815 #if HAVE_DECL_CURLOPT_NOSIGNAL
2816   CURLOPT(NOSIGNAL),
2817 #else
2818   HAVENOT(NOSIGNAL),
2819 #endif
2820   CURLOPT(NOBODY),
2821   CURLOPT(FAILONERROR),
2822   CURLOPT(UPLOAD),
2823   CURLOPT(POST),
2824   CURLOPT(FTPLISTONLY),
2825   CURLOPT(FTPAPPEND),
2826   CURLOPT(NETRC),
2827 #if HAVE_DECL_CURLOPT_ENCODING
2828   CURLOPT(ENCODING),
2829 #else
2830   HAVENOT(ENCODING),
2831 #endif
2832   CURLOPT(FOLLOWLOCATION),
2833   CURLOPT(TRANSFERTEXT),
2834   CURLOPT(PUT),
2835   CURLOPT(USERPWD),
2836   CURLOPT(PROXYUSERPWD),
2837   CURLOPT(RANGE),
2838   CURLOPT(ERRORBUFFER), /* mutable buffer, as output value, do not duplicate */
2839   CURLOPT(TIMEOUT),
2840   CURLOPT(POSTFIELDS),
2841   CURLOPT(POSTFIELDSIZE),
2842   CURLOPT(REFERER),
2843   CURLOPT(USERAGENT),
2844   CURLOPT(FTPPORT),
2845   CURLOPT(LOW_SPEED_LIMIT),
2846   CURLOPT(LOW_SPEED_TIME),
2847   CURLOPT(RESUME_FROM),
2848   CURLOPT(COOKIE),
2849   CURLOPT(HTTPHEADER),
2850   CURLOPT(HTTPPOST),
2851   CURLOPT(SSLCERT),
2852   CURLOPT(SSLCERTTYPE),
2853   CURLOPT(SSLCERTPASSWD),
2854   CURLOPT(SSLKEY),
2855   CURLOPT(SSLKEYTYPE),
2856   CURLOPT(SSLKEYPASSWD),
2857   CURLOPT(SSLENGINE),
2858   CURLOPT(SSLENGINE_DEFAULT),
2859   CURLOPT(CRLF),
2860   CURLOPT(QUOTE),
2861   CURLOPT(POSTQUOTE),
2862   CURLOPT(HEADERFUNCTION),
2863   CURLOPT(COOKIEFILE),
2864   CURLOPT(SSLVERSION),
2865   CURLOPT(TIMECONDITION),
2866   CURLOPT(TIMEVALUE),
2867   CURLOPT(CUSTOMREQUEST),
2868   CURLOPT(INTERFACE),
2869   CURLOPT(KRB4LEVEL),
2870   CURLOPT(PROGRESSFUNCTION),
2871   CURLOPT(SSL_VERIFYPEER),
2872   CURLOPT(CAINFO),
2873   CURLOPT(CAPATH),
2874   CURLOPT(FILETIME),
2875   CURLOPT(MAXREDIRS),
2876   CURLOPT(MAXCONNECTS),
2877   CURLOPT(CLOSEPOLICY),
2878   CURLOPT(FRESH_CONNECT),
2879   CURLOPT(FORBID_REUSE),
2880   CURLOPT(RANDOM_FILE),
2881   CURLOPT(EGDSOCKET),
2882   CURLOPT(CONNECTTIMEOUT),
2883   CURLOPT(HTTPGET),
2884   CURLOPT(SSL_VERIFYHOST),
2885   CURLOPT(COOKIEJAR),
2886   CURLOPT(SSL_CIPHER_LIST),
2887   CURLOPT(HTTP_VERSION),
2888   CURLOPT(FTP_USE_EPSV),
2889   CURLOPT(DNS_CACHE_TIMEOUT),
2890   CURLOPT(DNS_USE_GLOBAL_CACHE),
2891   CURLOPT(DEBUGFUNCTION),
2892   CURLOPT(PRIVATE),
2893 #if HAVE_DECL_CURLOPT_HTTP200ALIASES
2894   CURLOPT(HTTP200ALIASES),
2895 #else
2896   HAVENOT(HTTP200ALIASES),
2897 #endif
2898 #if HAVE_DECL_CURLOPT_UNRESTRICTED_AUTH
2899   CURLOPT(UNRESTRICTED_AUTH),
2900 #else
2901   HAVENOT(UNRESTRICTED_AUTH),
2902 #endif
2903 #if HAVE_DECL_CURLOPT_FTP_USE_EPRT
2904   CURLOPT(FTP_USE_EPRT),
2905 #else
2906   HAVENOT(FTP_USE_EPRT),
2907 #endif
2908 #if HAVE_DECL_CURLOPT_HTTPAUTH
2909   CURLOPT(HTTPAUTH),
2910 #else
2911   HAVENOT(HTTPAUTH),
2912 #endif
2913 #if HAVE_DECL_CURLOPT_FTP_CREATE_MISSING_DIRS
2914   CURLOPT(FTP_CREATE_MISSING_DIRS),
2915 #else
2916   HAVENOT(FTP_CREATE_MISSING_DIRS),
2917 #endif
2918 #if HAVE_DECL_CURLOPT_PROXYAUTH
2919   CURLOPT(PROXYAUTH),
2920 #else
2921   HAVENOT(PROXYAUTH),
2922 #endif
2923 #if HAVE_DECL_CURLOPT_FTP_RESPONSE_TIMEOUT
2924   CURLOPT(FTP_RESPONSE_TIMEOUT),
2925 #else
2926   HAVENOT(FTP_RESPONSE_TIMEOUT),
2927 #endif
2928 #if HAVE_DECL_CURLOPT_IPRESOLVE
2929   CURLOPT(IPRESOLVE),
2930 #else
2931   HAVENOT(IPRESOLVE),
2932 #endif
2933 #if HAVE_DECL_CURLOPT_MAXFILESIZE
2934   CURLOPT(MAXFILESIZE),
2935 #else
2936   HAVENOT(MAXFILESIZE),
2937 #endif
2938 #if HAVE_DECL_CURLOPT_INFILESIZE_LARGE
2939   CURLOPT(INFILESIZE_LARGE),
2940 #else
2941   HAVENOT(INFILESIZE_LARGE),
2942 #endif
2943 #if HAVE_DECL_CURLOPT_RESUME_FROM_LARGE
2944   CURLOPT(RESUME_FROM_LARGE),
2945 #else
2946   HAVENOT(RESUME_FROM_LARGE),
2947 #endif
2948 #if HAVE_DECL_CURLOPT_MAXFILESIZE_LARGE
2949   CURLOPT(MAXFILESIZE_LARGE),
2950 #else
2951   HAVENOT(MAXFILESIZE_LARGE),
2952 #endif
2953 #if HAVE_DECL_CURLOPT_NETRC_FILE
2954   CURLOPT(NETRC_FILE),
2955 #else
2956   HAVENOT(NETRC_FILE),
2957 #endif
2958 #if HAVE_DECL_CURLOPT_FTP_SSL
2959   CURLOPT(FTP_SSL),
2960 #else
2961   HAVENOT(FTP_SSL),
2962 #endif
2963 #if HAVE_DECL_CURLOPT_POSTFIELDSIZE_LARGE
2964   CURLOPT(POSTFIELDSIZE_LARGE),
2965 #else
2966   HAVENOT(POSTFIELDSIZE_LARGE),
2967 #endif
2968 #if HAVE_DECL_CURLOPT_TCP_NODELAY
2969   CURLOPT(TCP_NODELAY),
2970 #else
2971   HAVENOT(TCP_NODELAY),
2972 #endif
2973 #if HAVE_DECL_CURLOPT_FTPSSLAUTH
2974   CURLOPT(FTPSSLAUTH),
2975 #else
2976   HAVENOT(FTPSSLAUTH),
2977 #endif
2978 #if HAVE_DECL_CURLOPT_IOCTLFUNCTION
2979   CURLOPT(IOCTLFUNCTION),
2980 #else
2981   HAVENOT(IOCTLFUNCTION),
2982 #endif
2983 #if HAVE_DECL_CURLOPT_FTP_ACCOUNT
2984   CURLOPT(FTP_ACCOUNT),
2985 #else
2986   HAVENOT(FTP_ACCOUNT),
2987 #endif
2988 #if HAVE_DECL_CURLOPT_COOKIELIST
2989   CURLOPT(COOKIELIST),
2990 #else
2991   HAVENOT(COOKIELIST),
2992 #endif
2993 #if HAVE_DECL_CURLOPT_IGNORE_CONTENT_LENGTH
2994   CURLOPT(IGNORE_CONTENT_LENGTH),
2995 #else
2996   HAVENOT(IGNORE_CONTENT_LENGTH),
2997 #endif
2998 #if HAVE_DECL_CURLOPT_FTP_SKIP_PASV_IP
2999   CURLOPT(FTP_SKIP_PASV_IP),
3000 #else
3001   HAVENOT(FTP_SKIP_PASV_IP),
3002 #endif
3003 #if HAVE_DECL_CURLOPT_FTP_FILEMETHOD
3004   CURLOPT(FTP_FILEMETHOD),
3005 #else
3006   HAVENOT(FTP_FILEMETHOD),
3007 #endif
3008 #if HAVE_DECL_CURLOPT_LOCALPORT
3009   CURLOPT(LOCALPORT),
3010 #else
3011   HAVENOT(LOCALPORT),
3012 #endif
3013 #if HAVE_DECL_CURLOPT_LOCALPORTRANGE
3014   CURLOPT(LOCALPORTRANGE),
3015 #else
3016   HAVENOT(LOCALPORTRANGE),
3017 #endif
3018 #if HAVE_DECL_CURLOPT_CONNECT_ONLY
3019   CURLOPT(CONNECT_ONLY),
3020 #else
3021   HAVENOT(CONNECT_ONLY),
3022 #endif
3023 #if HAVE_DECL_CURLOPT_MAX_SEND_SPEED_LARGE
3024   CURLOPT(MAX_SEND_SPEED_LARGE),
3025 #else
3026   HAVENOT(MAX_SEND_SPEED_LARGE),
3027 #endif
3028 #if HAVE_DECL_CURLOPT_MAX_RECV_SPEED_LARGE
3029   CURLOPT(MAX_RECV_SPEED_LARGE),
3030 #else
3031   HAVENOT(MAX_RECV_SPEED_LARGE),
3032 #endif
3033 #if HAVE_DECL_CURLOPT_FTP_ALTERNATIVE_TO_USER
3034   CURLOPT(FTP_ALTERNATIVE_TO_USER),
3035 #else
3036   HAVENOT(FTP_ALTERNATIVE_TO_USER),
3037 #endif
3038 #if HAVE_DECL_CURLOPT_SSL_SESSIONID_CACHE
3039   CURLOPT(SSL_SESSIONID_CACHE),
3040 #else
3041   HAVENOT(SSL_SESSIONID_CACHE),
3042 #endif
3043 #if HAVE_DECL_CURLOPT_SSH_AUTH_TYPES
3044   CURLOPT(SSH_AUTH_TYPES),
3045 #else
3046   HAVENOT(SSH_AUTH_TYPES),
3047 #endif
3048 #if HAVE_DECL_CURLOPT_SSH_PUBLIC_KEYFILE
3049   CURLOPT(SSH_PUBLIC_KEYFILE),
3050 #else
3051   HAVENOT(SSH_PUBLIC_KEYFILE),
3052 #endif
3053 #if HAVE_DECL_CURLOPT_SSH_PRIVATE_KEYFILE
3054   CURLOPT(SSH_PRIVATE_KEYFILE),
3055 #else
3056   HAVENOT(SSH_PRIVATE_KEYFILE),
3057 #endif
3058 #if HAVE_DECL_CURLOPT_FTP_SSL_CCC
3059   CURLOPT(FTP_SSL_CCC),
3060 #else
3061   HAVENOT(FTP_SSL_CCC),
3062 #endif
3063 #if HAVE_DECL_CURLOPT_TIMEOUT_MS
3064   CURLOPT(TIMEOUT_MS),
3065 #else
3066   HAVENOT(TIMEOUT_MS),
3067 #endif
3068 #if HAVE_DECL_CURLOPT_CONNECTTIMEOUT_MS
3069   CURLOPT(CONNECTTIMEOUT_MS),
3070 #else
3071   HAVENOT(CONNECTTIMEOUT_MS),
3072 #endif
3073 #if HAVE_DECL_CURLOPT_HTTP_TRANSFER_DECODING
3074   CURLOPT(HTTP_TRANSFER_DECODING),
3075 #else
3076   HAVENOT(HTTP_TRANSFER_DECODING),
3077 #endif
3078 #if HAVE_DECL_CURLOPT_HTTP_CONTENT_DECODING
3079   CURLOPT(HTTP_CONTENT_DECODING),
3080 #else
3081   HAVENOT(HTTP_CONTENT_DECODING),
3082 #endif
3083 #if HAVE_DECL_CURLOPT_NEW_FILE_PERMS
3084   CURLOPT(NEW_FILE_PERMS),
3085 #else
3086   HAVENOT(NEW_FILE_PERMS),
3087 #endif
3088 #if HAVE_DECL_CURLOPT_NEW_DIRECTORY_PERMS
3089   CURLOPT(NEW_DIRECTORY_PERMS),
3090 #else
3091   HAVENOT(NEW_DIRECTORY_PERMS),
3092 #endif
3093 #if HAVE_DECL_CURLOPT_POST301
3094   CURLOPT(POST301),
3095 #else
3096   HAVENOT(POST301),
3097 #endif
3098 #if HAVE_DECL_CURLOPT_SSH_HOST_PUBLIC_KEY_MD5
3099   CURLOPT(SSH_HOST_PUBLIC_KEY_MD5),
3100 #else
3101   HAVENOT(SSH_HOST_PUBLIC_KEY_MD5),
3102 #endif
3103 #if HAVE_DECL_CURLOPT_COPYPOSTFIELDS
3104   CURLOPT(COPYPOSTFIELDS),
3105 #else
3106   HAVENOT(COPYPOSTFIELDS),
3107 #endif
3108 #if HAVE_DECL_CURLOPT_PROXY_TRANSFER_MODE
3109   CURLOPT(PROXY_TRANSFER_MODE),
3110 #else
3111   HAVENOT(PROXY_TRANSFER_MODE),
3112 #endif
3113 #if HAVE_DECL_CURLOPT_SEEKFUNCTION
3114   CURLOPT(SEEKFUNCTION),
3115 #else
3116   HAVENOT(SEEKFUNCTION),
3117 #endif
3118 #if HAVE_DECL_CURLOPT_AUTOREFERER
3119   CURLOPT(AUTOREFERER),
3120 #else
3121   HAVENOT(AUTOREFERER),
3122 #endif
3123 #if HAVE_DECL_CURLOPT_OPENSOCKETFUNCTION
3124   CURLOPT(OPENSOCKETFUNCTION),
3125 #else
3126   HAVENOT(OPENSOCKETFUNCTION),
3127 #endif
3128 #if HAVE_DECL_CURLOPT_PROXYTYPE
3129   CURLOPT(PROXYTYPE),
3130 #else
3131   HAVENOT(PROXYTYPE),
3132 #endif
3133 #if HAVE_DECL_CURLOPT_PROTOCOLS
3134   CURLOPT(PROTOCOLS),
3135 #else
3136   HAVENOT(PROTOCOLS),
3137 #endif
3138 #if HAVE_DECL_CURLOPT_REDIR_PROTOCOLS
3139   CURLOPT(REDIR_PROTOCOLS),
3140 #else
3141   HAVENOT(REDIR_PROTOCOLS),
3142 #endif
3143 #if HAVE_DECL_CURLOPT_RESOLVE
3144   CURLOPT(RESOLVE),
3145 #else
3146   HAVENOT(RESOLVE),
3147 #endif
3148 #if HAVE_DECL_CURLOPT_DNS_SERVERS
3149   CURLOPT(DNS_SERVERS),
3150 #else
3151   HAVENOT(DNS_SERVERS),
3152 #endif
3153 #if HAVE_DECL_CURLOPT_MAIL_FROM
3154   CURLOPT(MAIL_FROM),
3155 #else
3156   HAVENOT(MAIL_FROM),
3157 #endif
3158 #if HAVE_DECL_CURLOPT_MAIL_RCPT
3159   CURLOPT(MAIL_RCPT),
3160 #else
3161   HAVENOT(MAIL_RCPT),
3162 #endif
3163 #if HAVE_DECL_CURLOPT_PIPEWAIT
3164   CURLOPT(PIPEWAIT),
3165 #else
3166   HAVENOT(PIPEWAIT),
3167 #endif
3168 #if HAVE_DECL_CURLOPT_CERTINFO
3169   CURLOPT(CERTINFO),
3170 #else
3171   HAVENOT(CERTINFO),
3172 #endif
3173 #if HAVE_DECL_CURLOPT_USERNAME
3174   CURLOPT(USERNAME),
3175 #else
3176   HAVENOT(USERNAME),
3177 #endif
3178 #if HAVE_DECL_CURLOPT_PASSWORD
3179   CURLOPT(PASSWORD),
3180 #else
3181   HAVENOT(PASSWORD),
3182 #endif
3183 #if HAVE_DECL_CURLOPT_LOGIN_OPTIONS
3184   CURLOPT(LOGIN_OPTIONS),
3185 #else
3186   HAVENOT(LOGIN_OPTIONS),
3187 #endif
3188 #if HAVE_DECL_CURLOPT_CONNECT_TO
3189   CURLOPT(CONNECT_TO),
3190 #else
3191   HAVENOT(CONNECT_TO),
3192 #endif
3193 #if HAVE_DECL_CURLOPT_POSTREDIR
3194   CURLOPT(POSTREDIR),
3195 #else
3196   HAVENOT(POSTREDIR),
3197 #endif
3198 #if HAVE_DECL_CURLOPT_MIMEPOST
3199   CURLOPT(MIMEPOST),
3200 #else
3201   HAVENOT(MIMEPOST),
3202 #endif
3203   CURLOPT(SSH_KNOWNHOSTS),
3204   CURLOPT(SSH_KEYFUNCTION),
3205 };
3206
3207 value caml_curl_easy_setopt(value conn, value option)
3208 {
3209     CAMLparam2(conn, option);
3210     CAMLlocal1(data);
3211     Connection *connection = Connection_val(conn);
3212     CURLOptionMapping* thisOption = NULL;
3213     static const value* exception = NULL;
3214
3215     checkConnection(connection);
3216
3217     data = Field(option, 0);
3218
3219     if (Tag_val(option) < sizeof(implementedOptionMap)/sizeof(CURLOptionMapping))
3220     {
3221       thisOption = &implementedOptionMap[Tag_val(option)];
3222       if (thisOption->optionHandler)
3223       {
3224         thisOption->optionHandler(connection, data);
3225       }
3226       else
3227       {
3228         if (NULL == exception)
3229         {
3230           exception = caml_named_value("Curl.NotImplemented");
3231           if (NULL == exception) caml_invalid_argument("Curl.NotImplemented");
3232         }
3233
3234         caml_raise_with_string(*exception, thisOption->name);
3235       }
3236     }
3237     else
3238     {
3239       caml_failwith("Invalid CURLOPT Option");
3240     }
3241
3242     CAMLreturn(Val_unit);
3243 }
3244
3245 /**
3246  **  curl_easy_perform helper function
3247  **/
3248
3249 value caml_curl_easy_perform(value conn)
3250 {
3251     CAMLparam1(conn);
3252     CURLcode result = CURLE_OK;
3253     Connection *connection = Connection_val(conn);
3254
3255     checkConnection(connection);
3256
3257     caml_enter_blocking_section();
3258     result = curl_easy_perform(connection->handle);
3259     caml_leave_blocking_section();
3260
3261     if (result != CURLE_OK)
3262         raiseError(connection, result);
3263
3264     CAMLreturn(Val_unit);
3265 }
3266
3267 /**
3268  **  curl_easy_cleanup helper function
3269  **/
3270
3271 value caml_curl_easy_cleanup(value conn)
3272 {
3273     CAMLparam1(conn);
3274     Connection *connection = Connection_val(conn);
3275
3276     checkConnection(connection);
3277
3278     removeConnection(connection, 0);
3279
3280     CAMLreturn(Val_unit);
3281 }
3282
3283 /**
3284  **  curl_easy_getinfo helper function
3285  **/
3286
3287 enum GetInfoResultType {
3288     StringValue, LongValue, DoubleValue, StringListValue, StringListListValue,
3289     OCamlValue, /* keep last - no matching OCaml CURLINFO_ constructor */
3290 };
3291
3292 value convertStringList(struct curl_slist *p)
3293 {
3294     CAMLparam0();
3295     CAMLlocal3(result, current, next);
3296
3297     result = Val_emptylist;
3298     current = Val_emptylist;
3299     next = Val_emptylist;
3300
3301     while (p != NULL)
3302     {
3303         next = caml_alloc_tuple(2);
3304         Store_field(next, 0, caml_copy_string(p->data));
3305         Store_field(next, 1, Val_emptylist);
3306
3307         if (result == Val_emptylist)
3308             result = next;
3309
3310         if (current != Val_emptylist)
3311           Store_field(current, 1, next);
3312
3313         current = next;
3314
3315         p = p->next;
3316     }
3317
3318     CAMLreturn(result);
3319 }
3320
3321 value caml_curl_easy_getinfo(value conn, value option)
3322 {
3323     CAMLparam2(conn, option);
3324     CAMLlocal3(result, current, next);
3325     CURLcode curlResult;
3326     Connection *connection = Connection_val(conn);
3327     enum GetInfoResultType resultType;
3328     char *strValue = NULL;
3329     double doubleValue;
3330     long longValue;
3331     struct curl_slist *stringListValue = NULL;
3332 #if HAVE_DECL_CURLINFO_CERTINFO
3333     int i;
3334     union {
3335       struct curl_slist    *to_info;
3336       struct curl_certinfo *to_certinfo;
3337     } ptr;
3338 #endif
3339
3340     checkConnection(connection);
3341
3342     switch(Long_val(option))
3343     {
3344 #if HAVE_DECL_CURLINFO_EFFECTIVE_URL
3345     case 0: /* CURLINFO_EFFECTIVE_URL */
3346         resultType = StringValue;
3347
3348         curlResult = curl_easy_getinfo(connection->handle,
3349                                        CURLINFO_EFFECTIVE_URL,
3350                                        &strValue);
3351         break;
3352 #else
3353 #pragma message("libcurl does not provide CURLINFO_EFFECTIVE_URL")
3354 #endif
3355
3356 #if HAVE_DECL_CURLINFO_RESPONSE_CODE || HAVE_DECL_CURLINFO_HTTP_CODE
3357     case 1: /* CURLINFO_HTTP_CODE */
3358     case 2: /* CURLINFO_RESPONSE_CODE */
3359 #if HAVE_DECL_CURLINFO_RESPONSE_CODE
3360         resultType = LongValue;
3361
3362         curlResult = curl_easy_getinfo(connection->handle,
3363                                        CURLINFO_RESPONSE_CODE,
3364                                        &longValue);
3365 #else
3366         resultType = LongValue;
3367
3368         curlResult = curl_easy_getinfo(connection->handle,
3369                                        CURLINFO_HTTP_CODE,
3370                                        &longValue);
3371 #endif
3372         break;
3373 #endif
3374
3375 #if HAVE_DECL_CURLINFO_TOTAL_TIME
3376     case 3: /* CURLINFO_TOTAL_TIME */
3377         resultType = DoubleValue;
3378
3379         curlResult = curl_easy_getinfo(connection->handle,
3380                                        CURLINFO_TOTAL_TIME,
3381                                        &doubleValue);
3382         break;
3383 #endif
3384
3385 #if HAVE_DECL_CURLINFO_NAMELOOKUP_TIME
3386     case 4: /* CURLINFO_NAMELOOKUP_TIME */
3387         resultType = DoubleValue;
3388
3389         curlResult = curl_easy_getinfo(connection->handle,
3390                                        CURLINFO_NAMELOOKUP_TIME,
3391                                        &doubleValue);
3392         break;
3393 #endif
3394
3395 #if HAVE_DECL_CURLINFO_CONNECT_TIME
3396     case 5: /* CURLINFO_CONNECT_TIME */
3397         resultType = DoubleValue;
3398
3399         curlResult = curl_easy_getinfo(connection->handle,
3400                                        CURLINFO_CONNECT_TIME,
3401                                        &doubleValue);
3402         break;
3403 #endif
3404
3405 #if HAVE_DECL_CURLINFO_PRETRANSFER_TIME
3406     case 6: /* CURLINFO_PRETRANSFER_TIME */
3407         resultType = DoubleValue;
3408
3409         curlResult = curl_easy_getinfo(connection->handle,
3410                                        CURLINFO_PRETRANSFER_TIME,
3411                                        &doubleValue);
3412         break;
3413 #endif
3414
3415 #if HAVE_DECL_CURLINFO_SIZE_UPLOAD
3416     case 7: /* CURLINFO_SIZE_UPLOAD */
3417         resultType = DoubleValue;
3418
3419         curlResult = curl_easy_getinfo(connection->handle,
3420                                        CURLINFO_SIZE_UPLOAD,
3421                                        &doubleValue);
3422         break;
3423 #endif
3424
3425 #if HAVE_DECL_CURLINFO_SIZE_DOWNLOAD
3426     case 8: /* CURLINFO_SIZE_DOWNLOAD */
3427         resultType = DoubleValue;
3428
3429         curlResult = curl_easy_getinfo(connection->handle,
3430                                        CURLINFO_SIZE_DOWNLOAD,
3431                                        &doubleValue);
3432         break;
3433 #endif
3434
3435 #if HAVE_DECL_CURLINFO_SPEED_DOWNLOAD
3436     case 9: /* CURLINFO_SPEED_DOWNLOAD */
3437         resultType = DoubleValue;
3438
3439         curlResult = curl_easy_getinfo(connection->handle,
3440                                        CURLINFO_SPEED_DOWNLOAD,
3441                                        &doubleValue);
3442         break;
3443 #endif
3444
3445 #if HAVE_DECL_CURLINFO_SPEED_UPLOAD
3446     case 10: /* CURLINFO_SPEED_UPLOAD */
3447         resultType = DoubleValue;
3448
3449         curlResult = curl_easy_getinfo(connection->handle,
3450                                        CURLINFO_SPEED_UPLOAD,
3451                                        &doubleValue);
3452         break;
3453
3454 #endif
3455
3456 #if HAVE_DECL_CURLINFO_HEADER_SIZE
3457     case 11: /* CURLINFO_HEADER_SIZE */
3458         resultType = LongValue;
3459
3460         curlResult = curl_easy_getinfo(connection->handle,
3461                                        CURLINFO_HEADER_SIZE,
3462                                        &longValue);
3463         break;
3464 #endif
3465
3466 #if HAVE_DECL_CURLINFO_REQUEST_SIZE
3467     case 12: /* CURLINFO_REQUEST_SIZE */
3468         resultType = LongValue;
3469
3470         curlResult = curl_easy_getinfo(connection->handle,
3471                                        CURLINFO_REQUEST_SIZE,
3472                                        &longValue);
3473         break;
3474 #endif
3475
3476 #if HAVE_DECL_CURLINFO_SSL_VERIFYRESULT
3477     case 13: /* CURLINFO_SSL_VERIFYRESULT */
3478         resultType = LongValue;
3479
3480         curlResult = curl_easy_getinfo(connection->handle,
3481                                        CURLINFO_SSL_VERIFYRESULT,
3482                                        &longValue);
3483         break;
3484 #endif
3485
3486 #if HAVE_DECL_CURLINFO_FILETIME
3487     case 14: /* CURLINFO_FILETIME */
3488         resultType = DoubleValue;
3489
3490         curlResult = curl_easy_getinfo(connection->handle,
3491                                        CURLINFO_FILETIME,
3492                                        &longValue);
3493
3494         doubleValue = longValue;
3495         break;
3496 #endif
3497
3498 #if HAVE_DECL_CURLINFO_CONTENT_LENGTH_DOWNLOAD
3499     case 15: /* CURLINFO_CONTENT_LENGTH_DOWNLOAD */
3500         resultType = DoubleValue;
3501
3502         curlResult = curl_easy_getinfo(connection->handle,
3503                                        CURLINFO_CONTENT_LENGTH_DOWNLOAD,
3504                                        &doubleValue);
3505         break;
3506 #endif
3507
3508 #if HAVE_DECL_CURLINFO_CONTENT_LENGTH_UPLOAD
3509     case 16: /* CURLINFO_CONTENT_LENGTH_UPLOAD */
3510         resultType = DoubleValue;
3511
3512         curlResult = curl_easy_getinfo(connection->handle,
3513                                        CURLINFO_CONTENT_LENGTH_UPLOAD,
3514                                        &doubleValue);
3515         break;
3516 #endif
3517
3518 #if HAVE_DECL_CURLINFO_STARTTRANSFER_TIME
3519     case 17: /* CURLINFO_STARTTRANSFER_TIME */
3520         resultType = DoubleValue;
3521
3522         curlResult = curl_easy_getinfo(connection->handle,
3523                                        CURLINFO_STARTTRANSFER_TIME,
3524                                        &doubleValue);
3525         break;
3526 #endif
3527
3528 #if HAVE_DECL_CURLINFO_CONTENT_TYPE
3529     case 18: /* CURLINFO_CONTENT_TYPE */
3530         resultType = StringValue;
3531
3532         curlResult = curl_easy_getinfo(connection->handle,
3533                                        CURLINFO_CONTENT_TYPE,
3534                                        &strValue);
3535         break;
3536 #endif
3537
3538 #if HAVE_DECL_CURLINFO_REDIRECT_TIME
3539     case 19: /* CURLINFO_REDIRECT_TIME */
3540         resultType = DoubleValue;
3541
3542         curlResult = curl_easy_getinfo(connection->handle,
3543                                        CURLINFO_REDIRECT_TIME,
3544                                        &doubleValue);
3545         break;
3546 #endif
3547
3548 #if HAVE_DECL_CURLINFO_REDIRECT_COUNT
3549     case 20: /* CURLINFO_REDIRECT_COUNT */
3550         resultType = LongValue;
3551
3552         curlResult = curl_easy_getinfo(connection->handle,
3553                                        CURLINFO_REDIRECT_COUNT,
3554                                        &longValue);
3555         break;
3556 #endif
3557
3558     case 21: /* CURLINFO_PRIVATE */
3559         resultType = OCamlValue;
3560         curlResult = CURLE_OK;
3561         result = caml_alloc(1, StringValue);
3562         Store_field(result, 0, Field(connection->ocamlValues, Ocaml_PRIVATE));
3563         break;
3564
3565 #if HAVE_DECL_CURLINFO_HTTP_CONNECTCODE
3566     case 22: /* CURLINFO_HTTP_CONNECTCODE */
3567         resultType = LongValue;
3568
3569         curlResult = curl_easy_getinfo(connection->handle,
3570                                        CURLINFO_HTTP_CONNECTCODE,
3571                                        &longValue);
3572         break;
3573 #endif
3574
3575 #if HAVE_DECL_CURLINFO_HTTPAUTH_AVAIL
3576     case 23: /* CURLINFO_HTTPAUTH_AVAIL */
3577         resultType = LongValue;
3578
3579         curlResult = curl_easy_getinfo(connection->handle,
3580                                        CURLINFO_HTTPAUTH_AVAIL,
3581                                        &longValue);
3582         break;
3583 #endif
3584
3585 #if HAVE_DECL_CURLINFO_PROXYAUTH_AVAIL
3586     case 24: /* CURLINFO_PROXYAUTH_AVAIL */
3587         resultType = LongValue;
3588
3589         curlResult = curl_easy_getinfo(connection->handle,
3590                                        CURLINFO_PROXYAUTH_AVAIL,
3591                                        &longValue);
3592         break;
3593 #endif
3594
3595 #if HAVE_DECL_CURLINFO_OS_ERRNO
3596     case 25: /* CURLINFO_OS_ERRNO */
3597         resultType = LongValue;
3598
3599         curlResult = curl_easy_getinfo(connection->handle,
3600                                        CURLINFO_OS_ERRNO,
3601                                        &longValue);
3602         break;
3603 #endif
3604
3605 #if HAVE_DECL_CURLINFO_NUM_CONNECTS
3606     case 26: /* CURLINFO_NUM_CONNECTS */
3607         resultType = LongValue;
3608
3609         curlResult = curl_easy_getinfo(connection->handle,
3610                                        CURLINFO_NUM_CONNECTS,
3611                                        &longValue);
3612         break;
3613 #endif
3614
3615 #if HAVE_DECL_CURLINFO_SSL_ENGINES
3616     case 27: /* CURLINFO_SSL_ENGINES */
3617         resultType = StringListValue;
3618
3619         curlResult = curl_easy_getinfo(connection->handle,
3620                                        CURLINFO_SSL_ENGINES,
3621                                        &stringListValue);
3622         break;
3623 #endif
3624
3625 #if HAVE_DECL_CURLINFO_COOKIELIST
3626     case 28: /* CURLINFO_COOKIELIST */
3627         resultType = StringListValue;
3628
3629         curlResult = curl_easy_getinfo(connection->handle,
3630                                        CURLINFO_COOKIELIST,
3631                                        &stringListValue);
3632         break;
3633 #endif
3634
3635 #if HAVE_DECL_CURLINFO_LASTSOCKET
3636     case 29: /* CURLINFO_LASTSOCKET */
3637         resultType = LongValue;
3638
3639         curlResult = curl_easy_getinfo(connection->handle,
3640                                        CURLINFO_LASTSOCKET,
3641                                        &longValue);
3642         break;
3643 #endif
3644
3645 #if HAVE_DECL_CURLINFO_FTP_ENTRY_PATH
3646     case 30: /* CURLINFO_FTP_ENTRY_PATH */
3647         resultType = StringValue;
3648
3649         curlResult = curl_easy_getinfo(connection->handle,
3650                                        CURLINFO_FTP_ENTRY_PATH,
3651                                        &strValue);
3652         break;
3653 #endif
3654
3655 #if HAVE_DECL_CURLINFO_REDIRECT_URL
3656     case 31: /* CURLINFO_REDIRECT_URL */
3657         resultType = StringValue;
3658
3659         curlResult = curl_easy_getinfo(connection->handle,
3660                                        CURLINFO_REDIRECT_URL,
3661                                        &strValue);
3662         break;
3663 #else
3664 #pragma message("libcurl does not provide CURLINFO_REDIRECT_URL")
3665 #endif
3666
3667 #if HAVE_DECL_CURLINFO_PRIMARY_IP
3668     case 32: /* CURLINFO_PRIMARY_IP */
3669         resultType = StringValue;
3670
3671         curlResult = curl_easy_getinfo(connection->handle,
3672                                        CURLINFO_PRIMARY_IP,
3673                                        &strValue);
3674         break;
3675 #else
3676 #pragma message("libcurl does not provide CURLINFO_PRIMARY_IP")
3677 #endif
3678
3679 #if HAVE_DECL_CURLINFO_LOCAL_IP
3680     case 33: /* CURLINFO_LOCAL_IP */
3681         resultType = StringValue;
3682
3683         curlResult = curl_easy_getinfo(connection->handle,
3684                                        CURLINFO_LOCAL_IP,
3685                                        &strValue);
3686         break;
3687 #else
3688 #pragma message("libcurl does not provide CURLINFO_LOCAL_IP")
3689 #endif
3690
3691 #if HAVE_DECL_CURLINFO_LOCAL_PORT
3692     case 34: /* CURLINFO_LOCAL_PORT */
3693         resultType = LongValue;
3694
3695         curlResult = curl_easy_getinfo(connection->handle,
3696                                        CURLINFO_LOCAL_PORT,
3697                                        &longValue);
3698         break;
3699 #else
3700 #pragma message("libcurl does not provide CURLINFO_LOCAL_PORT")
3701 #endif
3702
3703 #if HAVE_DECL_CURLINFO_CONDITION_UNMET
3704     case 35: /* CURLINFO_CONDITION_UNMET */
3705         resultType = LongValue;
3706
3707         curlResult = curl_easy_getinfo(connection->handle,
3708                                        CURLINFO_CONDITION_UNMET,
3709                                        &longValue);
3710         break;
3711 #else
3712 #pragma message("libcurl does not provide CURLINFO_CONDITION_UNMET")
3713 #endif
3714 #if HAVE_DECL_CURLINFO_CERTINFO
3715     case 36: /* CURLINFO_CERTINFO */
3716         resultType = StringListListValue;
3717         ptr.to_info = NULL;
3718         curlResult = curl_easy_getinfo(connection->handle,
3719                                        CURLINFO_CERTINFO,
3720                                        &ptr.to_info);
3721
3722         result = Val_emptylist;
3723         current = Val_emptylist;
3724         next = Val_emptylist;
3725
3726         if (curlResult != CURLE_OK || !ptr.to_info)
3727           break;
3728
3729         for (i = 0; i < ptr.to_certinfo->num_of_certs; i++) {
3730           next = caml_alloc_tuple(2);
3731           Store_field(next, 0, convertStringList(ptr.to_certinfo->certinfo[i]));
3732           Store_field(next, 1, current);
3733           current = next;
3734         }
3735         break;
3736 #else
3737 #pragma message("libcurl does not provide CURLINFO_CERTINFO")
3738 #endif
3739     default:
3740         caml_failwith("Invalid CURLINFO Option");
3741         break;
3742     }
3743
3744     if (curlResult != CURLE_OK)
3745         raiseError(connection, curlResult);
3746
3747     switch (resultType)
3748     {
3749     case StringValue:
3750         result = caml_alloc(1, StringValue);
3751         Store_field(result, 0, caml_copy_string(strValue?strValue:""));
3752         break;
3753
3754     case LongValue:
3755         result = caml_alloc(1, LongValue);
3756         Store_field(result, 0, Val_long(longValue));
3757         break;
3758
3759     case DoubleValue:
3760         result = caml_alloc(1, DoubleValue);
3761         Store_field(result, 0, caml_copy_double(doubleValue));
3762         break;
3763
3764     case StringListValue:
3765         result = caml_alloc(1, StringListValue);
3766         Store_field(result, 0, convertStringList(stringListValue));
3767         curl_slist_free_all(stringListValue);
3768         break;
3769
3770     case StringListListValue:
3771         result = caml_alloc(1, StringListListValue);
3772         Store_field(result, 0, current);
3773         break;
3774
3775     case OCamlValue:
3776         break;
3777     }
3778
3779     CAMLreturn(result);
3780 }
3781
3782 /**
3783  **  curl_escape helper function
3784  **/
3785
3786 value caml_curl_escape(value str)
3787 {
3788     CAMLparam1(str);
3789     CAMLlocal1(result);
3790     char *curlResult;
3791
3792     curlResult = curl_escape(String_val(str), caml_string_length(str));
3793     result = caml_copy_string(curlResult);
3794     free(curlResult);
3795
3796     CAMLreturn(result);
3797 }
3798
3799 /**
3800  **  curl_unescape helper function
3801  **/
3802
3803 value caml_curl_unescape(value str)
3804 {
3805     CAMLparam1(str);
3806     CAMLlocal1(result);
3807     char *curlResult;
3808
3809     curlResult = curl_unescape(String_val(str), caml_string_length(str));
3810     result = caml_copy_string(curlResult);
3811     free(curlResult);
3812
3813     CAMLreturn(result);
3814 }
3815
3816 /**
3817  **  curl_getdate helper function
3818  **/
3819
3820 value caml_curl_getdate(value str, value now)
3821 {
3822     CAMLparam2(str, now);
3823     CAMLlocal1(result);
3824     time_t curlResult;
3825     time_t curlNow;
3826
3827     curlNow = (time_t)Double_val(now);
3828     curlResult = curl_getdate(String_val(str), &curlNow);
3829     result = caml_copy_double((double)curlResult);
3830
3831     CAMLreturn(result);
3832 }
3833
3834 /**
3835  **  curl_version helper function
3836  **/
3837
3838 value caml_curl_version(void)
3839 {
3840     CAMLparam0();
3841     CAMLlocal1(result);
3842     char *str;
3843
3844     str = curl_version();
3845     result = caml_copy_string(str);
3846
3847     CAMLreturn(result);
3848 }
3849
3850 struct CURLVersionBitsMapping
3851 {
3852     int code;
3853     char *name;
3854 };
3855
3856 struct CURLVersionBitsMapping versionBitsMap[] =
3857 {
3858     {CURL_VERSION_IPV6, "ipv6"},
3859     {CURL_VERSION_KERBEROS4, "kerberos4"},
3860     {CURL_VERSION_SSL, "ssl"},
3861     {CURL_VERSION_LIBZ, "libz"},
3862     {CURL_VERSION_NTLM, "ntlm"},
3863     {CURL_VERSION_GSSNEGOTIATE, "gssnegotiate"},
3864     {CURL_VERSION_DEBUG, "debug"},
3865     {CURL_VERSION_CURLDEBUG, "curldebug"},
3866     {CURL_VERSION_ASYNCHDNS, "asynchdns"},
3867     {CURL_VERSION_SPNEGO, "spnego"},
3868     {CURL_VERSION_LARGEFILE, "largefile"},
3869     {CURL_VERSION_IDN, "idn"},
3870     {CURL_VERSION_SSPI, "sspi"},
3871     {CURL_VERSION_CONV, "conv"},
3872 #if HAVE_DECL_CURL_VERSION_TLSAUTH_SRP
3873     {CURL_VERSION_TLSAUTH_SRP, "srp"},
3874 #endif
3875 #if HAVE_DECL_CURL_VERSION_NTLM_WB
3876     {CURL_VERSION_NTLM_WB, "wb"},
3877 #endif
3878 };
3879
3880 value caml_curl_version_info(value unit)
3881 {
3882   CAMLparam1(unit);
3883   CAMLlocal4(v, vlist, vnum, vfeatures);
3884   const char* const* p = NULL;
3885   size_t i = 0;
3886
3887   curl_version_info_data* data = curl_version_info(CURLVERSION_NOW);
3888   if (NULL == data) caml_failwith("curl_version_info");
3889
3890   vlist = Val_emptylist;
3891   for (p = data->protocols; NULL != *p; p++)
3892   {
3893     vlist = Val_cons(vlist, caml_copy_string(*p));
3894   }
3895
3896   vfeatures = Val_emptylist;
3897   for (i = 0; i < sizeof(versionBitsMap)/sizeof(versionBitsMap[0]); i++)
3898   {
3899     if (0 != (versionBitsMap[i].code & data->features))
3900       vfeatures = Val_cons(vfeatures, caml_copy_string(versionBitsMap[i].name));
3901   }
3902
3903   vnum = caml_alloc_tuple(3);
3904   Store_field(vnum,0,Val_int(0xFF & (data->version_num >> 16)));
3905   Store_field(vnum,1,Val_int(0xFF & (data->version_num >> 8)));
3906   Store_field(vnum,2,Val_int(0xFF & (data->version_num)));
3907
3908   v = caml_alloc_tuple(12);
3909   Store_field(v,0,caml_copy_string(data->version));
3910   Store_field(v,1,vnum);
3911   Store_field(v,2,caml_copy_string(data->host));
3912   Store_field(v,3,vfeatures);
3913   Store_field(v,4,data->ssl_version ? Val_some(caml_copy_string(data->ssl_version)) : Val_none);
3914   Store_field(v,5,data->libz_version ? Val_some(caml_copy_string(data->libz_version)) : Val_none);
3915   Store_field(v,6,vlist);
3916   Store_field(v,7,caml_copy_string((data->age >= 1 && data->ares) ? data->ares : ""));
3917   Store_field(v,8,Val_int((data->age >= 1) ? data->ares_num : 0));
3918   Store_field(v,9,caml_copy_string((data->age >= 2 && data->libidn) ? data->libidn : ""));
3919   Store_field(v,10,Val_int((data->age >= 3) ? data->iconv_ver_num : 0));
3920   Store_field(v,11,caml_copy_string((data->age >= 3 && data->libssh_version) ? data->libssh_version : ""));
3921
3922   CAMLreturn(v);
3923 }
3924
3925 value caml_curl_pause(value conn, value opts)
3926 {
3927   CAMLparam2(conn, opts);
3928   CAMLlocal4(v, vlist, vnum, vfeatures);
3929   Connection *connection = Connection_val(conn);
3930   int bitmask = 0;
3931   CURLcode result;
3932
3933   while (Val_emptylist != opts)
3934   {
3935     switch (Int_val(Field(opts,0)))
3936     {
3937       case 0: bitmask |= CURLPAUSE_SEND; break;
3938       case 1: bitmask |= CURLPAUSE_RECV; break;
3939       case 2: bitmask |= CURLPAUSE_ALL; break;
3940       default: caml_failwith("wrong pauseOption");
3941     }
3942     opts = Field(opts,1);
3943   }
3944
3945   caml_enter_blocking_section();
3946   result = curl_easy_pause(connection->handle,bitmask);
3947   caml_leave_blocking_section();
3948
3949   if (result != CURLE_OK)
3950     raiseError(connection, result);
3951
3952   CAMLreturn(Val_unit);
3953 }
3954
3955 /*
3956  * Curl multi stack support
3957  *
3958  * Exported thin wrappers for libcurl are prefixed with caml_curl_multi_.
3959  * Other exported functions are prefixed with caml_curlm_, some of them
3960  * can/should be decomposed into smaller parts.
3961  */
3962
3963 struct ml_multi_handle
3964 {
3965   CURLM* handle;
3966   value values; /* callbacks */
3967 };
3968
3969 enum
3970 {
3971   curlmopt_socket_function,
3972   curlmopt_timer_function,
3973
3974   /* last, not used */
3975   multi_values_total
3976 };
3977
3978 typedef struct ml_multi_handle ml_multi_handle;
3979
3980 #define Multi_val(v) (*(ml_multi_handle**)Data_custom_val(v))
3981 #define CURLM_val(v) (Multi_val(v)->handle)
3982
3983 static struct custom_operations curl_multi_ops = {
3984   "ygrek.curl_multi",
3985   custom_finalize_default,
3986   custom_compare_default,
3987   custom_hash_default,
3988   custom_serialize_default,
3989   custom_deserialize_default,
3990 #if defined(custom_compare_ext_default)
3991   custom_compare_ext_default,
3992 #endif
3993 };
3994
3995 value caml_curl_multi_init(value unit)
3996 {
3997   CAMLparam1(unit);
3998   CAMLlocal1(v);
3999   ml_multi_handle* multi = (ml_multi_handle*)caml_stat_alloc(sizeof(ml_multi_handle));
4000   CURLM* h = curl_multi_init();
4001
4002   if (!h)
4003   {
4004     caml_stat_free(multi);
4005     caml_failwith("caml_curl_multi_init");
4006   }
4007
4008   multi->handle = h;
4009   multi->values = caml_alloc(multi_values_total, 0);
4010   caml_register_generational_global_root(&multi->values);
4011
4012   v = caml_alloc_custom(&curl_multi_ops, sizeof(ml_multi_handle*), 0, 1);
4013   Multi_val(v) = multi;
4014
4015   CAMLreturn(v);
4016 }
4017
4018 value caml_curl_multi_cleanup(value handle)
4019 {
4020   CAMLparam1(handle);
4021   ml_multi_handle* h = Multi_val(handle);
4022
4023   if (NULL == h)
4024     CAMLreturn(Val_unit);
4025
4026   caml_remove_generational_global_root(&h->values);
4027
4028   if (CURLM_OK != curl_multi_cleanup(h->handle))
4029     caml_failwith("caml_curl_multi_cleanup");
4030
4031   caml_stat_free(h);
4032   Multi_val(handle) = (ml_multi_handle*)NULL;
4033
4034   CAMLreturn(Val_unit);
4035 }
4036
4037 static CURL* curlm_remove_finished(CURLM* multi_handle, CURLcode* result)
4038 {
4039   int msgs_in_queue = 0;
4040
4041   while (1)
4042   {
4043     CURLMsg* msg = curl_multi_info_read(multi_handle, &msgs_in_queue);
4044     if (NULL == msg) return NULL;
4045     if (CURLMSG_DONE == msg->msg)
4046     {
4047       CURL* easy_handle = msg->easy_handle;
4048       if (result) *result = msg->data.result;
4049       if (CURLM_OK != curl_multi_remove_handle(multi_handle, easy_handle))
4050       {
4051         /*caml_failwith("curlm_remove_finished");*/
4052       }
4053       return easy_handle;
4054     }
4055   }
4056 }
4057
4058 value caml_curlm_remove_finished(value v_multi)
4059 {
4060   CAMLparam1(v_multi);
4061   CAMLlocal2(v_easy, v_tuple);
4062   CURL* handle;
4063   CURLM* multi_handle;
4064   CURLcode result;
4065   Connection* conn = NULL;
4066
4067   multi_handle = CURLM_val(v_multi);
4068
4069   caml_enter_blocking_section();
4070   handle = curlm_remove_finished(multi_handle,&result);
4071   caml_leave_blocking_section();
4072
4073   if (NULL == handle)
4074   {
4075     CAMLreturn(Val_none);
4076   }
4077   else
4078   {
4079     conn = getConnection(handle);
4080     if (conn->curl_ERRORBUFFER != NULL)
4081     {
4082         Store_field(Field(conn->ocamlValues, Ocaml_ERRORBUFFER), 0, caml_copy_string(conn->curl_ERRORBUFFER));
4083     }
4084     conn->refcount--;
4085     /* NB: same handle, but different block */
4086     v_easy = caml_curl_alloc(conn);
4087     v_tuple = caml_alloc(2, 0);
4088     Store_field(v_tuple,0,v_easy);
4089     Store_field(v_tuple,1,Val_int(result)); /* CURLcode */
4090     CAMLreturn(Val_some(v_tuple));
4091   }
4092 }
4093
4094 value caml_curl_multi_wait(value v_timeout_ms, value v_multi)
4095 {
4096   CAMLparam2(v_timeout_ms,v_multi);
4097   CURLM *multi_handle = CURLM_val(v_multi);
4098   int timeout_ms = Int_val(v_timeout_ms);
4099   int numfds = -1;
4100   CURLMcode ret;
4101
4102   caml_enter_blocking_section();
4103   ret = curl_multi_wait(multi_handle, NULL, 0, timeout_ms, &numfds);
4104   caml_leave_blocking_section();
4105
4106   if (ret != CURLM_OK) caml_failwith("caml_curl_multi_wait");
4107
4108   CAMLreturn(Val_bool(numfds != 0));
4109 }
4110
4111 value caml_curl_multi_add_handle(value v_multi, value v_easy)
4112 {
4113   CAMLparam2(v_multi,v_easy);
4114   CURLM* multi = CURLM_val(v_multi);
4115   Connection* conn = Connection_val(v_easy);
4116
4117   /* prevent collection of OCaml value while the easy handle is used
4118    and may invoke callbacks registered on OCaml side */
4119   conn->refcount++;
4120
4121   /* may invoke callbacks so need to be consistent with locks */
4122   caml_enter_blocking_section();
4123   if (CURLM_OK != curl_multi_add_handle(multi, conn->handle))
4124   {
4125     conn->refcount--; /* not added, revert */
4126     caml_leave_blocking_section();
4127     caml_failwith("caml_curl_multi_add_handle");
4128   }
4129   caml_leave_blocking_section();
4130
4131   CAMLreturn(Val_unit);
4132 }
4133
4134 value caml_curl_multi_remove_handle(value v_multi, value v_easy)
4135 {
4136   CAMLparam2(v_multi,v_easy);
4137   CURLM* multi = CURLM_val(v_multi);
4138   Connection* conn = Connection_val(v_easy);
4139
4140   /* may invoke callbacks so need to be consistent with locks */
4141   caml_enter_blocking_section();
4142   if (CURLM_OK != curl_multi_remove_handle(multi, conn->handle))
4143   {
4144     caml_leave_blocking_section();
4145     caml_failwith("caml_curl_multi_remove_handle");
4146   }
4147   conn->refcount--;
4148   caml_leave_blocking_section();
4149
4150   CAMLreturn(Val_unit);
4151 }
4152
4153 value caml_curl_multi_perform_all(value v_multi)
4154 {
4155   CAMLparam1(v_multi);
4156   int still_running = 0;
4157   CURLM* h = CURLM_val(v_multi);
4158
4159   caml_enter_blocking_section();
4160   while (CURLM_CALL_MULTI_PERFORM == curl_multi_perform(h, &still_running));
4161   caml_leave_blocking_section();
4162
4163   CAMLreturn(Val_int(still_running));
4164 }
4165
4166 /* currently curlCode repr tag matches CURLE_ value
4167  * this is exploited below, but generally should use errorMap */
4168
4169 value caml_curl_strerror(value v_code)
4170 {
4171   CAMLparam1(v_code);
4172   CAMLreturn(caml_copy_string(curl_easy_strerror((CURLcode)Int_val(v_code))));
4173 }
4174
4175 value caml_curl_int_of_curlCode(value v_code)
4176 {
4177   return v_code;
4178 }
4179
4180 value caml_curl_curlCode_of_int(value v)
4181 {
4182   return (Int_val(v) < sizeof(errorMap) / sizeof(errorMap[0]) ? Val_some(v) : Val_none);
4183 }
4184
4185 /*
4186  * Wrappers for the curl_multi_socket_action infrastructure
4187  * Based on curl hiperfifo.c example
4188  */
4189
4190 #ifdef _WIN32
4191 #ifndef Val_socket
4192 #define Val_socket(v) win_alloc_socket(v)
4193 #endif
4194 #ifndef Socket_val
4195 #error Socket_val not defined in unixsupport.h
4196 #endif
4197 #else /* _WIN32 */
4198 #ifndef Socket_val
4199 #define Socket_val(v) Long_val(v)
4200 #endif
4201 #ifndef Val_socket
4202 #define Val_socket(v) Val_int(v)
4203 #endif
4204 #endif  /* _WIN32 */
4205
4206 static void raise_multi_error(char const* msg)
4207 {
4208   static const value* exception = NULL;
4209
4210   if (NULL == exception)
4211   {
4212     exception = caml_named_value("Curl.Multi.Error");
4213     if (NULL == exception) caml_invalid_argument("Curl.Multi.Error");
4214   }
4215
4216   caml_raise_with_string(*exception, msg);
4217 }
4218
4219 static void check_mcode(CURLMcode code)
4220 {
4221   char const *s = NULL;
4222   switch (code)
4223   {
4224     case CURLM_OK                  : return;
4225     case CURLM_CALL_MULTI_PERFORM  : s="CURLM_CALL_MULTI_PERFORM"; break;
4226     case CURLM_BAD_HANDLE          : s="CURLM_BAD_HANDLE";         break;
4227     case CURLM_BAD_EASY_HANDLE     : s="CURLM_BAD_EASY_HANDLE";    break;
4228     case CURLM_OUT_OF_MEMORY       : s="CURLM_OUT_OF_MEMORY";      break;
4229     case CURLM_INTERNAL_ERROR      : s="CURLM_INTERNAL_ERROR";     break;
4230     case CURLM_UNKNOWN_OPTION      : s="CURLM_UNKNOWN_OPTION";     break;
4231     case CURLM_LAST                : s="CURLM_LAST";               break;
4232     case CURLM_BAD_SOCKET          : s="CURLM_BAD_SOCKET";         break;
4233     default                        : s="CURLM_unknown";            break;
4234   }
4235   raise_multi_error(s);
4236 }
4237
4238 value caml_curl_multi_socket_action(value v_multi, value v_fd, value v_kind)
4239 {
4240   CAMLparam3(v_multi, v_fd, v_kind);
4241   CURLM* h = CURLM_val(v_multi);
4242   int still_running = 0;
4243   CURLMcode rc = CURLM_OK;
4244   curl_socket_t socket;
4245   int kind = 0;
4246
4247   if (Val_none == v_fd)
4248   {
4249     socket = CURL_SOCKET_TIMEOUT;
4250   }
4251   else
4252   {
4253     socket = Socket_val(Field(v_fd, 0));
4254   }
4255
4256   switch (Int_val(v_kind))
4257   {
4258     case 0 : break;
4259     case 1 : kind |= CURL_CSELECT_IN; break;
4260     case 2 : kind |= CURL_CSELECT_OUT; break;
4261     case 3 : kind |= CURL_CSELECT_IN | CURL_CSELECT_OUT; break;
4262     default:
4263       raise_multi_error("caml_curl_multi_socket_action");
4264   }
4265
4266 /*  fprintf(stdout,"fd %u kind %u\n",socket, kind); fflush(stdout); */
4267
4268   caml_enter_blocking_section();
4269   do {
4270     rc = curl_multi_socket_action(h, socket, kind, &still_running);
4271   } while (rc == CURLM_CALL_MULTI_PERFORM);
4272   caml_leave_blocking_section();
4273
4274   check_mcode(rc);
4275
4276   CAMLreturn(Val_int(still_running));
4277 }
4278
4279 value caml_curl_multi_socket_all(value v_multi)
4280 {
4281   CAMLparam1(v_multi);
4282   int still_running = 0;
4283   CURLMcode rc = CURLM_OK;
4284   CURLM* h = CURLM_val(v_multi);
4285
4286   caml_enter_blocking_section();
4287   do {
4288     rc = curl_multi_socket_all(h, &still_running);
4289   } while (rc == CURLM_CALL_MULTI_PERFORM);
4290   caml_leave_blocking_section();
4291
4292   check_mcode(rc);
4293
4294   CAMLreturn(Val_int(still_running));
4295 }
4296
4297 static int curlm_sock_cb(CURL *e, curl_socket_t sock, int what, void *cbp, void *sockp)
4298 {
4299   caml_leave_blocking_section();
4300
4301   CAMLparam0();
4302   CAMLlocal2(v_what,csock);
4303   (void)e;
4304   (void)sockp; /* not used */
4305
4306   /* v_what = Val_int(what); */
4307   switch (what)
4308   {
4309     case CURL_POLL_NONE   : v_what = Val_int(0); break;
4310     case CURL_POLL_IN     : v_what = Val_int(1); break;
4311     case CURL_POLL_OUT    : v_what = Val_int(2); break;
4312     case CURL_POLL_INOUT  : v_what = Val_int(3); break;
4313     case CURL_POLL_REMOVE : v_what = Val_int(4); break;
4314     default:
4315       fprintf(stderr, "curlm_sock_cb sock=%lld what=%d\n", (long long)sock, what);
4316       fflush(stderr);
4317       raise_multi_error("curlm_sock_cb"); /* FIXME exception from callback */
4318   }
4319   csock=Val_socket(sock);
4320   caml_callback2(Field(((ml_multi_handle*)cbp)->values,curlmopt_socket_function),
4321                  csock, v_what);
4322   CAMLdrop;
4323
4324   caml_enter_blocking_section();
4325   return 0;
4326 }
4327
4328 value caml_curl_multi_socketfunction(value v_multi, value v_cb)
4329 {
4330   CAMLparam2(v_multi, v_cb);
4331   ml_multi_handle* multi = Multi_val(v_multi);
4332
4333   Store_field(multi->values, curlmopt_socket_function, v_cb);
4334
4335   curl_multi_setopt(multi->handle, CURLMOPT_SOCKETFUNCTION, curlm_sock_cb);
4336   curl_multi_setopt(multi->handle, CURLMOPT_SOCKETDATA, multi);
4337
4338   CAMLreturn(Val_unit);
4339 }
4340
4341 static int curlm_timer_cb(CURLM *multi, long timeout_ms, void *userp)
4342 {
4343   caml_leave_blocking_section();
4344
4345   CAMLparam0();
4346   (void)multi;
4347   caml_callback(Field(((ml_multi_handle*)userp)->values,curlmopt_timer_function), Val_long(timeout_ms));
4348   CAMLdrop;
4349
4350   caml_enter_blocking_section();
4351   return 0;
4352 }
4353
4354 value caml_curl_multi_timerfunction(value v_multi, value v_cb)
4355 {
4356   CAMLparam2(v_multi, v_cb);
4357   ml_multi_handle* multi = Multi_val(v_multi);
4358
4359   Store_field(multi->values, curlmopt_timer_function, v_cb);
4360
4361   curl_multi_setopt(multi->handle, CURLMOPT_TIMERFUNCTION, curlm_timer_cb);
4362   curl_multi_setopt(multi->handle, CURLMOPT_TIMERDATA, multi);
4363
4364   CAMLreturn(Val_unit);
4365 }
4366
4367 value caml_curl_multi_timeout(value v_multi)
4368 {
4369   CAMLparam1(v_multi);
4370   long ms = 0;
4371   CURLMcode rc = CURLM_OK;
4372   ml_multi_handle* multi = Multi_val(v_multi);
4373
4374   rc = curl_multi_timeout(multi->handle, &ms);
4375
4376   check_mcode(rc);
4377
4378   CAMLreturn(Val_long(ms));
4379 }
4380
4381 #define SETMOPT_VAL_(func_name, curl_option, conv_val) \
4382 static void func_name(CURLM *handle, value option) \
4383 { \
4384     CAMLparam1(option); \
4385     CURLMcode result = CURLM_OK; \
4386 \
4387     result = curl_multi_setopt(handle, curl_option, conv_val(option)); \
4388 \
4389     check_mcode(result); \
4390 \
4391     CAMLreturn0; \
4392 }
4393
4394 #define SETMOPT_VAL(name, conv) SETMOPT_VAL_(handle_multi_##name, CURLMOPT_##name, conv)
4395 #define SETMOPT_BOOL(name) SETMOPT_VAL(name, Bool_val)
4396 #define SETMOPT_LONG(name) SETMOPT_VAL(name, Long_val)
4397 #define SETMOPT_INT64(name) SETMOPT_VAL(name, Int64_val)
4398
4399 long pipeliningMap[] =
4400 {
4401   0, /* CURLPIPE_NOTHING */
4402   1, /* CURLPIPE_HTTP1 */
4403   2, /* CURLPIPE_MULTIPLEX */
4404 };
4405
4406 static void handle_multi_PIPELINING(CURLM* handle, value option)
4407 {
4408   CAMLparam1(option);
4409   CURLMcode result = CURLM_OK;
4410
4411   long bits = convert_bit_list(pipeliningMap, sizeof(pipeliningMap) / sizeof(pipeliningMap[0]), option);
4412
4413   result = curl_multi_setopt(handle, CURLMOPT_PIPELINING, bits);
4414
4415   check_mcode(result);
4416
4417   CAMLreturn0;
4418 }
4419
4420 #if HAVE_DECL_CURLMOPT_MAXCONNECTS
4421 SETMOPT_LONG( MAXCONNECTS)
4422 #endif
4423
4424 #if HAVE_DECL_CURLMOPT_MAX_PIPELINE_LENGTH
4425 SETMOPT_LONG( MAX_PIPELINE_LENGTH)
4426 #endif
4427
4428 #if HAVE_DECL_CURLMOPT_MAX_HOST_CONNECTIONS
4429 SETMOPT_LONG( MAX_HOST_CONNECTIONS)
4430 #endif
4431
4432 typedef struct CURLMOptionMapping CURLMOptionMapping;
4433 #define OPT(name) { handle_multi_## name, "CURLMOPT_"#name}
4434 #define NO_OPT(name) { NULL, "CURLMOPT_"#name}
4435
4436 struct CURLMOptionMapping
4437 {
4438     void (*optionHandler)(CURLM *, value);
4439     char *name;
4440 };
4441
4442 CURLMOptionMapping implementedMOptionMap[] = {
4443   OPT( PIPELINING),
4444 #if HAVE_DECL_CURLMOPT_MAXCONNECTS
4445   OPT( MAXCONNECTS),
4446 #else
4447   NO_OPT( MAXCONNECTS),
4448 #endif
4449 #if HAVE_DECL_CURLMOPT_MAX_PIPELINE_LENGTH
4450   OPT( MAX_PIPELINE_LENGTH),
4451 #else
4452   NO_OPT( MAX_PIPELINE_LENGTH),
4453 #endif
4454 #if HAVE_DECL_CURLMOPT_MAX_HOST_CONNECTIONS
4455   OPT( MAX_HOST_CONNECTIONS),
4456 #else
4457   NO_OPT( MAX_HOST_CONNECTIONS),
4458 #endif
4459 };
4460
4461 value caml_curl_multi_setopt(value v_multi, value option)
4462 {
4463     CAMLparam2(v_multi, option);
4464     CAMLlocal1(data);
4465     CURLM *handle = Multi_val(v_multi)->handle;
4466     CURLMOptionMapping* thisOption = NULL;
4467     static const value* exception = NULL;
4468
4469     data = Field(option, 0);
4470
4471     if (Tag_val(option) < sizeof(implementedMOptionMap)/sizeof(CURLMOptionMapping))
4472     {
4473       thisOption = &implementedMOptionMap[Tag_val(option)];
4474       if (thisOption->optionHandler)
4475       {
4476         thisOption->optionHandler(handle, data);
4477       }
4478       else
4479       {
4480         if (NULL == exception)
4481         {
4482           exception = caml_named_value("Curl.NotImplemented");
4483           if (NULL == exception) caml_invalid_argument("Curl.NotImplemented");
4484         }
4485
4486         caml_raise_with_string(*exception, thisOption->name);
4487       }
4488     }
4489     else
4490     {
4491       caml_failwith("Invalid CURLMOPT Option");
4492     }
4493
4494     CAMLreturn(Val_unit);
4495 }
4496
4497 struct used_enum
4498 {
4499   int last_used;
4500   int last;
4501   char const* name;
4502 };
4503
4504 #define CURL_ENUM(name,last_used) { CURL_ ## name ## _ ## last_used, CURL_ ## name ## _LAST, #name }
4505
4506 struct used_enum check_enums[] = {
4507   { CURLINFO_SSL_DATA_OUT, CURLINFO_END, "DEBUGFUNCTION curl_infotype" },
4508 #if HAVE_DECL_CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE
4509   CURL_ENUM(HTTP_VERSION, 2_PRIOR_KNOWLEDGE),
4510 #endif
4511 #if HAVE_DECL_CURLINFO_CERTINFO
4512   { CURLINFO_CERTINFO & CURLINFO_MASK, CURLINFO_LASTONE, "CURLINFO" },
4513 #endif
4514 #if HAVE_DECL_CURLE_AGAIN
4515   { CURLE_AGAIN, CURL_LAST, "CURLcode" }
4516 #endif
4517 };
4518
4519 value caml_curl_check_enums(value v_unit)
4520 {
4521   CAMLparam0();
4522   CAMLlocal2(v_r,v);
4523   size_t i;
4524   size_t len = sizeof(check_enums) / sizeof(struct used_enum);
4525
4526   v_r = caml_alloc_tuple(len);
4527
4528   for (i = 0; i < len; i++)
4529   {
4530     v = caml_alloc_tuple(3);
4531     Store_field(v, 0, Val_int(check_enums[i].last_used));
4532     Store_field(v, 1, Val_int(check_enums[i].last));
4533     Store_field(v, 2, caml_copy_string(check_enums[i].name));
4534     Store_field(v_r, i, v);
4535   }
4536
4537   CAMLreturn(v_r);
4538 }
4539
4540 #ifdef __cplusplus
4541 }
4542 #endif