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 #include <stdio.h>
   9 #include <string.h>
  10 #include <stdlib.h>
  11 #include <stdarg.h>
  12 #include <unistd.h>
  13 /* suppress false gcc warning on seekFunction */
  14 #define CURL_DISABLE_TYPECHECK
  15 #include <curl/curl.h>
  16
  17 #define CAML_NAME_SPACE
  18 #include <caml/alloc.h>
  19 #include <caml/memory.h>
  20 #include <caml/mlvalues.h>
  21 #include <caml/callback.h>
  22 #include <caml/fail.h>
  23 #include <caml/unixsupport.h>
  24 #include <caml/custom.h>
  25 #include <caml/threads.h>
  26
  27 #ifndef CAMLdrop
  28 #define CAMLdrop caml_local_roots = caml__frame
  29 #endif
  30
  31 #ifdef HAVE_CONFIG_H
  32 #include "config.h"
  33 #else
  34 #pragma message("No config file given.")
  35 #endif
  36
  37 #define Val_none Val_int(0)
  38
  39 static __inline value
  40 Val_some( value v )
  41 {
  42     CAMLparam1( v );
  43     CAMLlocal1( some );
  44     some = caml_alloc(1, 0);
  45     Store_field( some, 0, v );
  46     CAMLreturn( some );
  47 }
  48
  49 static value Val_pair(value v1, value v2)
  50 {
  51   CAMLparam2(v1,v2);
  52   CAMLlocal1(pair);
  53   pair = caml_alloc_small(2,0);
  54   Field(pair,0) = v1;
  55   Field(pair,1) = v2;
  56   CAMLreturn(pair);
  57 }
  58
  59 static value Val_cons(value list, value v) { return Val_pair(v,list); }
  60
  61 typedef struct Connection Connection;
  62 typedef struct ConnectionList ConnectionList;
  63
  64 #define Connection_val(v) (*(Connection**)Data_custom_val(v))
  65
  66 typedef enum OcamlValues
  67 {
  68     Ocaml_WRITEFUNCTION,
  69     Ocaml_READFUNCTION,
  70     Ocaml_ERRORBUFFER,
  71     Ocaml_POSTFIELDS,
  72     Ocaml_HTTPHEADER,
  73     Ocaml_HTTPPOST,
  74     Ocaml_QUOTE,
  75     Ocaml_POSTQUOTE,
  76     Ocaml_HEADERFUNCTION,
  77     Ocaml_PROGRESSFUNCTION,
  78     Ocaml_DEBUGFUNCTION,
  79     Ocaml_HTTP200ALIASES,
  80     Ocaml_IOCTLFUNCTION,
  81     Ocaml_SEEKFUNCTION,
  82     Ocaml_OPENSOCKETFUNCTION,
  83
  84     Ocaml_URL,
  85     Ocaml_PROXY,
  86     Ocaml_USERPWD,
  87     Ocaml_PROXYUSERPWD,
  88     Ocaml_RANGE,
  89     Ocaml_REFERER,
  90     Ocaml_USERAGENT,
  91     Ocaml_FTPPORT,
  92     Ocaml_COOKIE,
  93     Ocaml_HTTPPOSTSTRINGS,
  94     Ocaml_SSLCERT,
  95     Ocaml_SSLCERTTYPE,
  96     Ocaml_SSLCERTPASSWD,
  97     Ocaml_SSLKEY,
  98     Ocaml_SSLKEYTYPE,
  99     Ocaml_SSLKEYPASSWD,
 100     Ocaml_SSLENGINE,
 101     Ocaml_COOKIEFILE,
 102     Ocaml_CUSTOMREQUEST,
 103     Ocaml_INTERFACE,
 104     Ocaml_CAINFO,
 105     Ocaml_CAPATH,
 106     Ocaml_RANDOM_FILE,
 107     Ocaml_EGDSOCKET,
 108     Ocaml_COOKIEJAR,
 109     Ocaml_SSL_CIPHER_LIST,
 110     Ocaml_PRIVATE,
 111     Ocaml_NETRC_FILE,
 112     Ocaml_FTP_ACCOUNT,
 113     Ocaml_COOKIELIST,
 114     Ocaml_FTP_ALTERNATIVE_TO_USER,
 115     Ocaml_SSH_PUBLIC_KEYFILE,
 116     Ocaml_SSH_PRIVATE_KEYFILE,
 117     Ocaml_SSH_HOST_PUBLIC_KEY_MD5,
 118     Ocaml_COPYPOSTFIELDS,
 119     Ocaml_DNS_SERVERS,
 120     Ocaml_MAIL_FROM,
 121     Ocaml_MAIL_RCPT,
 122     Ocaml_RESOLVE,
 123
 124     /* Not used, last for size */
 125     OcamlValuesSize
 126 } OcamlValue;
 127
 128 struct Connection
 129 {
 130     CURL *connection;
 131     Connection *next;
 132     Connection *prev;
 133
 134     value ocamlValues;
 135
 136     size_t refcount; /* number of references to this structure */
 137
 138     char *curl_URL;
 139     char *curl_PROXY;
 140     char *curl_USERPWD;
 141     char *curl_PROXYUSERPWD;
 142     char *curl_RANGE;
 143     char *curl_ERRORBUFFER;
 144     char *curl_POSTFIELDS;
 145     int curl_POSTFIELDSIZE;
 146     char *curl_REFERER;
 147     char *curl_USERAGENT;
 148     char *curl_FTPPORT;
 149     char *curl_COOKIE;
 150     struct curl_slist *curl_HTTPHEADER;
 151     struct curl_slist *httpPostBuffers;
 152     struct curl_httppost *httpPostFirst;
 153     struct curl_httppost *httpPostLast;
 154     struct curl_slist *curl_RESOLVE;
 155     char *curl_SSLCERT;
 156     char *curl_SSLCERTTYPE;
 157     char *curl_SSLCERTPASSWD;
 158     char *curl_SSLKEY;
 159     char *curl_SSLKEYTYPE;
 160     char *curl_SSLKEYPASSWD;
 161     char *curl_SSLENGINE;
 162     struct curl_slist *curl_QUOTE;
 163     struct curl_slist *curl_POSTQUOTE;
 164     char *curl_COOKIEFILE;
 165     char *curl_CUSTOMREQUEST;
 166     char *curl_INTERFACE;
 167     char *curl_CAINFO;
 168     char *curl_CAPATH;
 169     char *curl_RANDOM_FILE;
 170     char *curl_EGDSOCKET;
 171     char *curl_COOKIEJAR;
 172     char *curl_SSL_CIPHER_LIST;
 173     char *curl_PRIVATE;
 174     struct curl_slist *curl_HTTP200ALIASES;
 175     char *curl_NETRC_FILE;
 176     char *curl_FTP_ACCOUNT;
 177     char *curl_COOKIELIST;
 178     char *curl_FTP_ALTERNATIVE_TO_USER;
 179     char *curl_SSH_PUBLIC_KEYFILE;
 180     char *curl_SSH_PRIVATE_KEYFILE;
 181     char *curl_SSH_HOST_PUBLIC_KEY_MD5;
 182     char *curl_COPYPOSTFIELDS;
 183     char *curl_DNS_SERVERS;
 184     char *curl_MAIL_FROM;
 185     struct curl_slist *curl_MAIL_RCPT;
 186 };
 187
 188 struct ConnectionList
 189 {
 190     Connection *head;
 191     Connection *tail;
 192 };
 193
 194 static ConnectionList connectionList = {NULL, NULL};
 195
 196 typedef struct CURLErrorMapping CURLErrorMapping;
 197
 198 struct CURLErrorMapping
 199 {
 200     char *name;
 201     CURLcode error;
 202 };
 203
 204 CURLErrorMapping errorMap[] =
 205 {
 206     {"CURLE_OK", CURLE_OK},
 207 #if HAVE_DECL_CURLE_UNSUPPORTED_PROTOCOL
 208     {"CURLE_UNSUPPORTED_PROTOCOL", CURLE_UNSUPPORTED_PROTOCOL},
 209 #else
 210     {"CURLE_UNSUPPORTED_PROTOCOL", -1},
 211 #endif
 212 #if HAVE_DECL_CURLE_FAILED_INIT
 213     {"CURLE_FAILED_INIT", CURLE_FAILED_INIT},
 214 #else
 215     {"CURLE_FAILED_INIT", -1},
 216 #endif
 217 #if HAVE_DECL_CURLE_URL_MALFORMAT
 218     {"CURLE_URL_MALFORMAT", CURLE_URL_MALFORMAT},
 219 #else
 220     {"CURLE_URL_MALFORMAT", -1},
 221 #endif
 222 #if HAVE_DECL_CURLE_URL_MALFORMAT_USER
 223     {"CURLE_URL_MALFORMAT_USER", CURLE_URL_MALFORMAT_USER},
 224 #else
 225     {"CURLE_URL_MALFORMAT_USER", -1},
 226 #endif
 227 #if HAVE_DECL_CURLE_COULDNT_RESOLVE_PROXY
 228     {"CURLE_COULDNT_RESOLVE_PROXY", CURLE_COULDNT_RESOLVE_PROXY},
 229 #else
 230     {"CURLE_COULDNT_RESOLVE_PROXY", -1},
 231 #endif
 232 #if HAVE_DECL_CURLE_COULDNT_RESOLVE_HOST
 233     {"CURLE_COULDNT_RESOLVE_HOST", CURLE_COULDNT_RESOLVE_HOST},
 234 #else
 235     {"CURLE_COULDNT_RESOLVE_HOST", -1},
 236 #endif
 237 #if HAVE_DECL_CURLE_COULDNT_CONNECT
 238     {"CURLE_COULDNT_CONNECT", CURLE_COULDNT_CONNECT},
 239 #else
 240     {"CURLE_COULDNT_CONNECT", -1},
 241 #endif
 242 #if HAVE_DECL_CURLE_FTP_WEIRD_SERVER_REPLY
 243     {"CURLE_FTP_WEIRD_SERVER_REPLY", CURLE_FTP_WEIRD_SERVER_REPLY},
 244 #else
 245     {"CURLE_FTP_WEIRD_SERVER_REPLY", -1},
 246 #endif
 247 #if HAVE_DECL_CURLE_FTP_ACCESS_DENIED
 248     {"CURLE_FTP_ACCESS_DENIED", CURLE_FTP_ACCESS_DENIED},
 249 #else
 250     {"CURLE_FTP_ACCESS_DENIED", -1},
 251 #endif
 252 #if HAVE_DECL_CURLE_FTP_USER_PASSWORD_INCORRECT
 253     {"CURLE_FTP_USER_PASSWORD_INCORRECT", CURLE_FTP_USER_PASSWORD_INCORRECT},
 254 #else
 255     {"CURLE_FTP_USER_PASSWORD_INCORRECT", -1},
 256 #endif
 257 #if HAVE_DECL_CURLE_FTP_WEIRD_PASS_REPLY
 258     {"CURLE_FTP_WEIRD_PASS_REPLY", CURLE_FTP_WEIRD_PASS_REPLY},
 259 #else
 260     {"CURLE_FTP_WEIRD_PASS_REPLY", -1},
 261 #endif
 262 #if HAVE_DECL_CURLE_FTP_WEIRD_USER_REPLY
 263     {"CURLE_FTP_WEIRD_USER_REPLY", CURLE_FTP_WEIRD_USER_REPLY},
 264 #else
 265     {"CURLE_FTP_WEIRD_USER_REPLY", -1},
 266 #endif
 267 #if HAVE_DECL_CURLE_FTP_WEIRD_PASV_REPLY
 268     {"CURLE_FTP_WEIRD_PASV_REPLY", CURLE_FTP_WEIRD_PASV_REPLY},
 269 #else
 270     {"CURLE_FTP_WEIRD_PASV_REPLY", -1},
 271 #endif
 272 #if HAVE_DECL_CURLE_FTP_WEIRD_227_FORMAT
 273     {"CURLE_FTP_WEIRD_227_FORMAT", CURLE_FTP_WEIRD_227_FORMAT},
 274 #else
 275     {"CURLE_FTP_WEIRD_227_FORMAT", -1},
 276 #endif
 277 #if HAVE_DECL_CURLE_FTP_CANT_GET_HOST
 278     {"CURLE_FTP_CANT_GET_HOST", CURLE_FTP_CANT_GET_HOST},
 279 #else
 280     {"CURLE_FTP_CANT_GET_HOST", -1},
 281 #endif
 282 #if HAVE_DECL_CURLE_FTP_CANT_RECONNECT
 283     {"CURLE_FTP_CANT_RECONNECT", CURLE_FTP_CANT_RECONNECT},
 284 #else
 285     {"CURLE_FTP_CANT_RECONNECT", -1},
 286 #endif
 287 #if HAVE_DECL_CURLE_FTP_COULDNT_SET_BINARY
 288     {"CURLE_FTP_COULDNT_SET_BINARY", CURLE_FTP_COULDNT_SET_BINARY},
 289 #else
 290     {"CURLE_FTP_COULDNT_SET_BINARY", -1},
 291 #endif
 292 #if HAVE_DECL_CURLE_PARTIAL_FILE
 293     {"CURLE_PARTIAL_FILE", CURLE_PARTIAL_FILE},
 294 #else
 295     {"CURLE_PARTIAL_FILE", -1},
 296 #endif
 297 #if HAVE_DECL_CURLE_FTP_COULDNT_RETR_FILE
 298     {"CURLE_FTP_COULDNT_RETR_FILE", CURLE_FTP_COULDNT_RETR_FILE},
 299 #else
 300     {"CURLE_FTP_COULDNT_RETR_FILE", -1},
 301 #endif
 302 #if HAVE_DECL_CURLE_FTP_WRITE_ERROR
 303     {"CURLE_FTP_WRITE_ERROR", CURLE_FTP_WRITE_ERROR},
 304 #else
 305     {"CURLE_FTP_WRITE_ERROR", -1},
 306 #endif
 307 #if HAVE_DECL_CURLE_FTP_QUOTE_ERROR
 308     {"CURLE_FTP_QUOTE_ERROR", CURLE_FTP_QUOTE_ERROR},
 309 #else
 310     {"CURLE_FTP_QUOTE_ERROR", -1},
 311 #endif
 312 #if HAVE_DECL_CURLE_HTTP_RETURNED_ERROR
 313     {"CURLE_HTTP_RETURNED_ERROR", CURLE_HTTP_RETURNED_ERROR},
 314 #else
 315     {"CURLE_HTTP_RETURNED_ERROR", -1},
 316 #endif
 317 #if HAVE_DECL_CURLE_WRITE_ERROR
 318     {"CURLE_WRITE_ERROR", CURLE_WRITE_ERROR},
 319 #else
 320     {"CURLE_WRITE_ERROR", -1},
 321 #endif
 322 #if HAVE_DECL_CURLE_MALFORMAT_USER
 323     {"CURLE_MALFORMAT_USER", CURLE_MALFORMAT_USER},
 324 #else
 325     {"CURLE_MALFORMAT_USER", -1},
 326 #endif
 327 #if HAVE_DECL_CURLE_FTP_COULDNT_STOR_FILE
 328     {"CURLE_FTP_COULDNT_STOR_FILE", CURLE_FTP_COULDNT_STOR_FILE},
 329 #else
 330     {"CURLE_FTP_COULDNT_STOR_FILE", -1},
 331 #endif
 332 #if HAVE_DECL_CURLE_READ_ERROR
 333     {"CURLE_READ_ERROR", CURLE_READ_ERROR},
 334 #else
 335     {"CURLE_READ_ERROR", -1},
 336 #endif
 337 #if HAVE_DECL_CURLE_OUT_OF_MEMORY
 338     {"CURLE_OUT_OF_MEMORY", CURLE_OUT_OF_MEMORY},
 339 #else
 340     {"CURLE_OUT_OF_MEMORY", -1},
 341 #endif
 342 #if HAVE_DECL_CURLE_OPERATION_TIMEOUTED
 343     {"CURLE_OPERATION_TIMEOUTED", CURLE_OPERATION_TIMEOUTED},
 344 #else
 345     {"CURLE_OPERATION_TIMEOUTED", -1},
 346 #endif
 347 #if HAVE_DECL_CURLE_FTP_COULDNT_SET_ASCII
 348     {"CURLE_FTP_COULDNT_SET_ASCII", CURLE_FTP_COULDNT_SET_ASCII},
 349 #else
 350     {"CURLE_FTP_COULDNT_SET_ASCII", -1},
 351 #endif
 352 #if HAVE_DECL_CURLE_FTP_PORT_FAILED
 353     {"CURLE_FTP_PORT_FAILED", CURLE_FTP_PORT_FAILED},
 354 #else
 355     {"CURLE_FTP_PORT_FAILED", -1},
 356 #endif
 357 #if HAVE_DECL_CURLE_FTP_COULDNT_USE_REST
 358     {"CURLE_FTP_COULDNT_USE_REST", CURLE_FTP_COULDNT_USE_REST},
 359 #else
 360     {"CURLE_FTP_COULDNT_USE_REST", -1},
 361 #endif
 362 #if HAVE_DECL_CURLE_FTP_COULDNT_GET_SIZE
 363     {"CURLE_FTP_COULDNT_GET_SIZE", CURLE_FTP_COULDNT_GET_SIZE},
 364 #else
 365     {"CURLE_FTP_COULDNT_GET_SIZE", -1},
 366 #endif
 367 #if HAVE_DECL_CURLE_HTTP_RANGE_ERROR
 368     {"CURLE_HTTP_RANGE_ERROR", CURLE_HTTP_RANGE_ERROR},
 369 #else
 370     {"CURLE_HTTP_RANGE_ERROR", -1},
 371 #endif
 372 #if HAVE_DECL_CURLE_HTTP_POST_ERROR
 373     {"CURLE_HTTP_POST_ERROR", CURLE_HTTP_POST_ERROR},
 374 #else
 375     {"CURLE_HTTP_POST_ERROR", -1},
 376 #endif
 377 #if HAVE_DECL_CURLE_SSL_CONNECT_ERROR
 378     {"CURLE_SSL_CONNECT_ERROR", CURLE_SSL_CONNECT_ERROR},
 379 #else
 380     {"CURLE_SSL_CONNECT_ERROR", -1},
 381 #endif
 382 #if HAVE_DECL_CURLE_BAD_DOWNLOAD_RESUME
 383     {"CURLE_BAD_DOWNLOAD_RESUME", CURLE_BAD_DOWNLOAD_RESUME},
 384 #else
 385     {"CURLE_BAD_DOWNLOAD_RESUME", -1},
 386 #endif
 387 #if HAVE_DECL_CURLE_FILE_COULDNT_READ_FILE
 388     {"CURLE_FILE_COULDNT_READ_FILE", CURLE_FILE_COULDNT_READ_FILE},
 389 #else
 390     {"CURLE_FILE_COULDNT_READ_FILE", -1},
 391 #endif
 392 #if HAVE_DECL_CURLE_LDAP_CANNOT_BIND
 393     {"CURLE_LDAP_CANNOT_BIND", CURLE_LDAP_CANNOT_BIND},
 394 #else
 395     {"CURLE_LDAP_CANNOT_BIND", -1},
 396 #endif
 397 #if HAVE_DECL_CURLE_LDAP_SEARCH_FAILED
 398     {"CURLE_LDAP_SEARCH_FAILED", CURLE_LDAP_SEARCH_FAILED},
 399 #else
 400     {"CURLE_LDAP_SEARCH_FAILED", -1},
 401 #endif
 402 #if HAVE_DECL_CURLE_LIBRARY_NOT_FOUND
 403     {"CURLE_LIBRARY_NOT_FOUND", CURLE_LIBRARY_NOT_FOUND},
 404 #else
 405     {"CURLE_LIBRARY_NOT_FOUND", -1},
 406 #endif
 407 #if HAVE_DECL_CURLE_FUNCTION_NOT_FOUND
 408     {"CURLE_FUNCTION_NOT_FOUND", CURLE_FUNCTION_NOT_FOUND},
 409 #else
 410     {"CURLE_FUNCTION_NOT_FOUND", -1},
 411 #endif
 412 #if HAVE_DECL_CURLE_ABORTED_BY_CALLBACK
 413     {"CURLE_ABORTED_BY_CALLBACK", CURLE_ABORTED_BY_CALLBACK},
 414 #else
 415     {"CURLE_ABORTED_BY_CALLBACK", -1},
 416 #endif
 417 #if HAVE_DECL_CURLE_BAD_FUNCTION_ARGUMENT
 418     {"CURLE_BAD_FUNCTION_ARGUMENT", CURLE_BAD_FUNCTION_ARGUMENT},
 419 #else
 420     {"CURLE_BAD_FUNCTION_ARGUMENT", -1},
 421 #endif
 422 #if HAVE_DECL_CURLE_BAD_CALLING_ORDER
 423     {"CURLE_BAD_CALLING_ORDER", CURLE_BAD_CALLING_ORDER},
 424 #else
 425     {"CURLE_BAD_CALLING_ORDER", -1},
 426 #endif
 427 #if HAVE_DECL_CURLE_INTERFACE_FAILED
 428     {"CURLE_INTERFACE_FAILED", CURLE_INTERFACE_FAILED},
 429 #else
 430     {"CURLE_INTERFACE_FAILED", -1},
 431 #endif
 432 #if HAVE_DECL_CURLE_BAD_PASSWORD_ENTERED
 433     {"CURLE_BAD_PASSWORD_ENTERED", CURLE_BAD_PASSWORD_ENTERED},
 434 #else
 435     {"CURLE_BAD_PASSWORD_ENTERED", -1},
 436 #endif
 437 #if HAVE_DECL_CURLE_TOO_MANY_REDIRECTS
 438     {"CURLE_TOO_MANY_REDIRECTS", CURLE_TOO_MANY_REDIRECTS},
 439 #else
 440     {"CURLE_TOO_MANY_REDIRECTS", -1},
 441 #endif
 442 #if HAVE_DECL_CURLE_UNKNOWN_TELNET_OPTION
 443     {"CURLE_UNKNOWN_TELNET_OPTION", CURLE_UNKNOWN_TELNET_OPTION},
 444 #else
 445     {"CURLE_UNKNOWN_TELNET_OPTION", -1},
 446 #endif
 447 #if HAVE_DECL_CURLE_TELNET_OPTION_SYNTAX
 448     {"CURLE_TELNET_OPTION_SYNTAX", CURLE_TELNET_OPTION_SYNTAX},
 449 #else
 450     {"CURLE_TELNET_OPTION_SYNTAX", -1},
 451 #endif
 452 #if HAVE_DECL_CURLE_SSL_PEER_CERTIFICATE
 453     {"CURLE_SSL_PEER_CERTIFICATE", CURLE_SSL_PEER_CERTIFICATE},
 454 #else
 455     {"CURLE_SSL_PEER_CERTIFICATE", -1},
 456 #endif
 457 #if HAVE_DECL_CURLE_GOT_NOTHING
 458     {"CURLE_GOT_NOTHING", CURLE_GOT_NOTHING},
 459 #else
 460     {"CURLE_GOT_NOTHING", -1},
 461 #endif
 462 #if HAVE_DECL_CURLE_SSL_ENGINE_NOTFOUND
 463     {"CURLE_SSL_ENGINE_NOTFOUND", CURLE_SSL_ENGINE_NOTFOUND},
 464 #else
 465     {"CURLE_SSL_ENGINE_NOTFOUND", -1},
 466 #endif
 467 #if HAVE_DECL_CURLE_SSL_ENGINE_SETFAILED
 468     {"CURLE_SSL_ENGINE_SETFAILED", CURLE_SSL_ENGINE_SETFAILED},
 469 #else
 470     {"CURLE_SSL_ENGINE_SETFAILED", -1},
 471 #endif
 472 #if HAVE_DECL_CURLE_SEND_ERROR
 473     {"CURLE_SEND_ERROR", CURLE_SEND_ERROR},
 474 #else
 475     {"CURLE_SEND_ERROR", -1},
 476 #endif
 477 #if HAVE_DECL_CURLE_RECV_ERROR
 478     {"CURLE_RECV_ERROR", CURLE_RECV_ERROR},
 479 #else
 480     {"CURLE_RECV_ERROR", -1},
 481 #endif
 482 #if HAVE_DECL_CURLE_SHARE_IN_USE
 483     {"CURLE_SHARE_IN_USE", CURLE_SHARE_IN_USE},
 484 #else
 485     {"CURLE_SHARE_IN_USE", -1},
 486 #endif
 487 #if HAVE_DECL_CURLE_SSL_CERTPROBLEM
 488     {"CURLE_SSL_CERTPROBLEM", CURLE_SSL_CERTPROBLEM},
 489 #else
 490     {"CURLE_SSL_CERTPROBLEM", -1},
 491 #endif
 492 #if HAVE_DECL_CURLE_SSL_CIPHER
 493     {"CURLE_SSL_CIPHER", CURLE_SSL_CIPHER},
 494 #else
 495     {"CURLE_SSL_CIPHER", -1},
 496 #endif
 497 #if HAVE_DECL_CURLE_SSL_CACERT
 498     {"CURLE_SSL_CACERT", CURLE_SSL_CACERT},
 499 #else
 500     {"CURLE_SSL_CACERT", -1},
 501 #endif
 502 #if HAVE_DECL_CURLE_BAD_CONTENT_ENCODING
 503     {"CURLE_BAD_CONTENT_ENCODING", CURLE_BAD_CONTENT_ENCODING},
 504 #else
 505     {"CURLE_BAD_CONTENT_ENCODING", -1},
 506 #endif
 507 #if HAVE_DECL_CURLE_LDAP_INVALID_URL
 508     {"CURLE_LDAP_INVALID_URL", CURLE_LDAP_INVALID_URL},
 509 #else
 510     {"CURLE_LDAP_INVALID_URL", -1},
 511 #endif
 512 #if HAVE_DECL_CURLE_FILESIZE_EXCEEDED
 513     {"CURLE_FILESIZE_EXCEEDED", CURLE_FILESIZE_EXCEEDED},
 514 #else
 515     {"CURLE_FILESIZE_EXCEEDED", -1},
 516 #endif
 517 #if HAVE_DECL_CURLE_FTP_SSL_FAILED
 518     {"CURLE_FTP_SSL_FAILED", CURLE_FTP_SSL_FAILED},
 519 #else
 520     {"CURLE_FTP_SSL_FAILED", -1},
 521 #endif
 522 #if HAVE_DECL_CURLE_SEND_FAIL_REWIND
 523     {"CURLE_SEND_FAIL_REWIND", CURLE_SEND_FAIL_REWIND},
 524 #else
 525     {"CURLE_SEND_FAIL_REWIND", -1},
 526 #endif
 527 #if HAVE_DECL_CURLE_SSL_ENGINE_INITFAILED
 528     {"CURLE_SSL_ENGINE_INITFAILED", CURLE_SSL_ENGINE_INITFAILED},
 529 #else
 530     {"CURLE_SSL_ENGINE_INITFAILED", -1},
 531 #endif
 532 #if HAVE_DECL_CURLE_LOGIN_DENIED
 533     {"CURLE_LOGIN_DENIED", CURLE_LOGIN_DENIED},
 534 #else
 535     {"CURLE_LOGIN_DENIED", -1},
 536 #endif
 537 #if HAVE_DECL_CURLE_TFTP_NOTFOUND
 538     {"CURLE_TFTP_NOTFOUND", CURLE_TFTP_NOTFOUND},
 539 #else
 540     {"CURLE_TFTP_NOTFOUND", -1},
 541 #endif
 542 #if HAVE_DECL_CURLE_TFTP_PERM
 543     {"CURLE_TFTP_PERM", CURLE_TFTP_PERM},
 544 #else
 545     {"CURLE_TFTP_PERM", -1},
 546 #endif
 547 #if HAVE_DECL_CURLE_REMOTE_DISK_FULL
 548     {"CURLE_REMOTE_DISK_FULL", CURLE_REMOTE_DISK_FULL},
 549 #else
 550     {"CURLE_REMOTE_DISK_FULL", -1},
 551 #endif
 552 #if HAVE_DECL_CURLE_TFTP_ILLEGAL
 553     {"CURLE_TFTP_ILLEGAL", CURLE_TFTP_ILLEGAL},
 554 #else
 555     {"CURLE_TFTP_ILLEGAL", -1},
 556 #endif
 557 #if HAVE_DECL_CURLE_TFTP_UNKNOWNID
 558     {"CURLE_TFTP_UNKNOWNID", CURLE_TFTP_UNKNOWNID},
 559 #else
 560     {"CURLE_TFTP_UNKNOWNID", -1},
 561 #endif
 562 #if HAVE_DECL_CURLE_REMOTE_FILE_EXISTS
 563     {"CURLE_REMOTE_FILE_EXISTS", CURLE_REMOTE_FILE_EXISTS},
 564 #else
 565     {"CURLE_REMOTE_FILE_EXISTS", -1},
 566 #endif
 567 #if HAVE_DECL_CURLE_TFTP_NOSUCHUSER
 568     {"CURLE_TFTP_NOSUCHUSER", CURLE_TFTP_NOSUCHUSER},
 569 #else
 570     {"CURLE_TFTP_NOSUCHUSER", -1},
 571 #endif
 572 #if HAVE_DECL_CURLE_CONV_FAILED
 573     {"CURLE_CONV_FAILED", CURLE_CONV_FAILED},
 574 #else
 575     {"CURLE_CONV_FAILED", -1},
 576 #endif
 577 #if HAVE_DECL_CURLE_CONV_REQD
 578     {"CURLE_CONV_REQD", CURLE_CONV_REQD},
 579 #else
 580     {"CURLE_CONV_REQD", -1},
 581 #endif
 582 #if HAVE_DECL_CURLE_SSL_CACERT_BADFILE
 583     {"CURLE_SSL_CACERT_BADFILE", CURLE_SSL_CACERT_BADFILE},
 584 #else
 585     {"CURLE_SSL_CACERT_BADFILE", -1},
 586 #endif
 587 #if HAVE_DECL_CURLE_REMOTE_FILE_NOT_FOUND
 588     {"CURLE_REMOTE_FILE_NOT_FOUND", CURLE_REMOTE_FILE_NOT_FOUND},
 589 #else
 590     {"CURLE_REMOTE_FILE_NOT_FOUND", -1},
 591 #endif
 592 #if HAVE_DECL_CURLE_SSH
 593     {"CURLE_SSH", CURLE_SSH},
 594 #else
 595     {"CURLE_SSH", -1},
 596 #endif
 597 #if HAVE_DECL_CURLE_SSL_SHUTDOWN_FAILED
 598     {"CURLE_SSL_SHUTDOWN_FAILED", CURLE_SSL_SHUTDOWN_FAILED},
 599 #else
 600     {"CURLE_SSL_SHUTDOWN_FAILED", -1},
 601 #endif
 602 #if HAVE_DECL_CURLE_AGAIN
 603     {"CURLE_AGAIN", CURLE_AGAIN},
 604 #else
 605     {"CURLE_AGAIN", -1},
 606 #endif
 607     {NULL, 0}
 608 };
 609
 610 typedef struct CURLOptionMapping CURLOptionMapping;
 611
 612 struct CURLOptionMapping
 613 {
 614     void (*optionHandler)(Connection *, value);
 615     char *name;
 616     OcamlValue ocamlValue;
 617 };
 618
 619 static char* strdup_ml(value v)
 620 {
 621   char* p = NULL;
 622   p = malloc(caml_string_length(v)+1);
 623   memcpy(p,String_val(v),caml_string_length(v)+1); // caml strings have terminating zero
 624   return p;
 625 }
 626
 627 /* prepends to the beginning of list */
 628 static struct curl_slist* curl_slist_prepend_ml(struct curl_slist* list, value v)
 629 {
 630   /* FIXME check NULLs */
 631   struct curl_slist* new_item = malloc(sizeof(struct curl_slist));
 632
 633   new_item->next = list;
 634   new_item->data = strdup_ml(v);
 635
 636   return new_item;
 637 }
 638
 639 static void free_curl_slist(struct curl_slist *slist)
 640 {
 641     if (NULL == slist)
 642       return;
 643
 644     curl_slist_free_all(slist);
 645 }
 646
 647 static void raiseError(Connection *conn, CURLcode code)
 648 {
 649     CAMLparam0();
 650     CAMLlocal1(exceptionData);
 651     value *exception;
 652     char *errorString = "Unknown Error";
 653     int i;
 654
 655     for (i = 0; errorMap[i].name != NULL; i++)
 656     {
 657         if (errorMap[i].error == code)
 658         {
 659             errorString = errorMap[i].name;
 660             break;
 661         }
 662     }
 663
 664     exceptionData = caml_alloc_tuple(3);
 665
 666     Store_field(exceptionData, 0, Val_int(code));
 667     Store_field(exceptionData, 1, Val_int(code));
 668     Store_field(exceptionData, 2, caml_copy_string(errorString));
 669
 670     if (conn != NULL && conn->curl_ERRORBUFFER != NULL)
 671     {
 672         Store_field(Field(conn->ocamlValues, Ocaml_ERRORBUFFER), 0, caml_copy_string(conn->curl_ERRORBUFFER));
 673     }
 674
 675     exception = caml_named_value("CurlException");
 676
 677     if (exception == NULL)
 678         caml_failwith("CurlException not registered");
 679
 680     caml_raise_with_arg(*exception, exceptionData);
 681
 682     CAMLreturn0;
 683 }
 684
 685 static void resetOcamlValues(Connection* connection)
 686 {
 687     int i;
 688
 689     for (i = 0; i < OcamlValuesSize; i++)
 690         Store_field(connection->ocamlValues, i, Val_unit);
 691 }
 692
 693 static Connection* allocConnection(CURL* h)
 694 {
 695     Connection* connection = (Connection *)malloc(sizeof(Connection));
 696
 697     connection->ocamlValues = caml_alloc(OcamlValuesSize, 0);
 698     resetOcamlValues(connection);
 699     caml_register_global_root(&connection->ocamlValues);
 700
 701     connection->connection = h;
 702
 703     connection->next = NULL;
 704     connection->prev = NULL;
 705
 706     if (connectionList.tail == NULL)
 707     {
 708         connectionList.tail = connection;
 709         connectionList.head = connection;
 710     }
 711     else
 712     {
 713         connection->prev = connectionList.head;
 714         connectionList.head->next = connection;
 715         connectionList.head = connection;
 716     }
 717
 718     connection->refcount = 0;
 719
 720     connection->curl_URL = NULL;
 721     connection->curl_PROXY = NULL;
 722     connection->curl_USERPWD = NULL;
 723     connection->curl_PROXYUSERPWD = NULL;
 724     connection->curl_RANGE = NULL;
 725     connection->curl_ERRORBUFFER = NULL;
 726     connection->curl_POSTFIELDS = NULL;
 727     connection->curl_POSTFIELDSIZE = -1;
 728     connection->curl_REFERER = NULL;
 729     connection->curl_USERAGENT = NULL;
 730     connection->curl_FTPPORT = NULL;
 731     connection->curl_COOKIE = NULL;
 732     connection->curl_HTTPHEADER = NULL;
 733     connection->httpPostBuffers = NULL;
 734     connection->httpPostFirst = NULL;
 735     connection->httpPostLast = NULL;
 736     connection->curl_SSLCERT = NULL;
 737     connection->curl_SSLCERTTYPE = NULL;
 738     connection->curl_SSLCERTPASSWD = NULL;
 739     connection->curl_SSLKEY = NULL;
 740     connection->curl_SSLKEYTYPE = NULL;
 741     connection->curl_SSLKEYPASSWD = NULL;
 742     connection->curl_SSLENGINE = NULL;
 743     connection->curl_QUOTE = NULL;
 744     connection->curl_POSTQUOTE = NULL;
 745     connection->curl_COOKIEFILE = NULL;
 746     connection->curl_CUSTOMREQUEST = NULL;
 747     connection->curl_INTERFACE = NULL;
 748     connection->curl_CAINFO = NULL;
 749     connection->curl_CAPATH = NULL;
 750     connection->curl_RANDOM_FILE = NULL;
 751     connection->curl_EGDSOCKET = NULL;
 752     connection->curl_COOKIEJAR = NULL;
 753     connection->curl_SSL_CIPHER_LIST = NULL;
 754     connection->curl_PRIVATE = NULL;
 755     connection->curl_HTTP200ALIASES = NULL;
 756     connection->curl_NETRC_FILE = NULL;
 757     connection->curl_FTP_ACCOUNT = NULL;
 758     connection->curl_COOKIELIST = NULL;
 759     connection->curl_FTP_ALTERNATIVE_TO_USER = NULL;
 760     connection->curl_SSH_PUBLIC_KEYFILE = NULL;
 761     connection->curl_SSH_PRIVATE_KEYFILE = NULL;
 762     connection->curl_COPYPOSTFIELDS = NULL;
 763     connection->curl_RESOLVE = NULL;
 764     connection->curl_DNS_SERVERS = NULL;
 765     connection->curl_MAIL_FROM = NULL;
 766     connection->curl_MAIL_RCPT = NULL;
 767
 768     return connection;
 769 }
 770
 771 static Connection *newConnection(void)
 772 {
 773     CURL* h;
 774
 775     caml_enter_blocking_section();
 776     h = curl_easy_init();
 777     caml_leave_blocking_section();
 778
 779     return allocConnection(h);
 780 }
 781
 782 static void free_if(void* p) { if (NULL != p) free(p); }
 783
 784 static void removeConnection(Connection *connection, int finalization)
 785 {
 786     const char* fin_url = NULL;
 787
 788     if (!connection->connection)
 789     {
 790       return; /* already cleaned up */
 791     }
 792
 793     if (finalization)
 794     {
 795       /* cannot engage OCaml runtime at finalization, just report leak */
 796       if (CURLE_OK != curl_easy_getinfo(connection->connection, CURLINFO_EFFECTIVE_URL, &fin_url) || NULL == fin_url)
 797       {
 798         fin_url = "unknown";
 799       }
 800       fprintf(stderr,"Curl: handle %p leaked, conn %p, url %s\n", connection->connection, connection, fin_url);
 801       fflush(stderr);
 802     }
 803     else
 804     {
 805       caml_enter_blocking_section();
 806       curl_easy_cleanup(connection->connection);
 807       caml_leave_blocking_section();
 808     }
 809
 810     connection->connection = NULL;
 811
 812     if (connectionList.tail == connection)
 813         connectionList.tail = connectionList.tail->next;
 814     if (connectionList.head == connection)
 815         connectionList.head = connectionList.head->prev;
 816
 817     if (connection->next != NULL)
 818         connection->next->prev = connection->prev;
 819     if (connection->prev != NULL)
 820         connection->prev->next = connection->next;
 821
 822     caml_remove_global_root(&connection->ocamlValues);
 823
 824     free_if(connection->curl_URL);
 825     free_if(connection->curl_PROXY);
 826     free_if(connection->curl_USERPWD);
 827     free_if(connection->curl_PROXYUSERPWD);
 828     free_if(connection->curl_RANGE);
 829     free_if(connection->curl_ERRORBUFFER);
 830     free_if(connection->curl_POSTFIELDS);
 831     free_if(connection->curl_REFERER);
 832     free_if(connection->curl_USERAGENT);
 833     free_if(connection->curl_FTPPORT);
 834     free_if(connection->curl_COOKIE);
 835     free_curl_slist(connection->curl_HTTPHEADER);
 836     free_curl_slist(connection->httpPostBuffers);
 837     if (connection->httpPostFirst != NULL)
 838         curl_formfree(connection->httpPostFirst);
 839     free_curl_slist(connection->curl_RESOLVE);
 840     free_if(connection->curl_SSLCERT);
 841     free_if(connection->curl_SSLCERTTYPE);
 842     free_if(connection->curl_SSLCERTPASSWD);
 843     free_if(connection->curl_SSLKEY);
 844     free_if(connection->curl_SSLKEYTYPE);
 845     free_if(connection->curl_SSLKEYPASSWD);
 846     free_if(connection->curl_SSLENGINE);
 847     free_curl_slist(connection->curl_QUOTE);
 848     free_curl_slist(connection->curl_POSTQUOTE);
 849     free_if(connection->curl_COOKIEFILE);
 850     free_if(connection->curl_CUSTOMREQUEST);
 851     free_if(connection->curl_INTERFACE);
 852     free_if(connection->curl_CAINFO);
 853     free_if(connection->curl_CAPATH);
 854     free_if(connection->curl_RANDOM_FILE);
 855     free_if(connection->curl_EGDSOCKET);
 856     free_if(connection->curl_COOKIEJAR);
 857     free_if(connection->curl_SSL_CIPHER_LIST);
 858     free_if(connection->curl_PRIVATE);
 859     free_curl_slist(connection->curl_HTTP200ALIASES);
 860     free_if(connection->curl_NETRC_FILE);
 861     free_if(connection->curl_FTP_ACCOUNT);
 862     free_if(connection->curl_COOKIELIST);
 863     free_if(connection->curl_FTP_ALTERNATIVE_TO_USER);
 864     free_if(connection->curl_SSH_PUBLIC_KEYFILE);
 865     free_if(connection->curl_SSH_PRIVATE_KEYFILE);
 866     free_if(connection->curl_COPYPOSTFIELDS);
 867     free_if(connection->curl_DNS_SERVERS);
 868     free_if(connection->curl_MAIL_FROM);
 869     free_curl_slist(connection->curl_MAIL_RCPT);
 870 }
 871
 872 #if 1
 873 static void checkConnection(Connection * connection)
 874 {
 875   (void)connection;
 876 }
 877 #else
 878 static void checkConnection(Connection *connection)
 879 {
 880     Connection *listIter;
 881
 882     listIter = connectionList.tail;
 883
 884     while (listIter != NULL)
 885     {
 886         if (listIter == connection)
 887             return;
 888
 889         listIter = listIter->next;
 890     }
 891
 892     caml_failwith("Invalid Connection");
 893 }
 894 #endif
 895
 896 static Connection* findConnection(CURL* h)
 897 {
 898     Connection *listIter;
 899
 900     listIter = connectionList.tail;
 901
 902     while (listIter != NULL)
 903     {
 904         if (listIter->connection == h)
 905             return listIter;
 906
 907         listIter = listIter->next;
 908     }
 909
 910     caml_failwith("Unknown handle");
 911 }
 912
 913 void op_curl_easy_finalize(value v)
 914 {
 915   Connection* conn = Connection_val(v);
 916   /* same connection may be referenced by several different
 917      OCaml values, see e.g. caml_curl_multi_remove_finished */
 918   conn->refcount--;
 919   if (0 == conn->refcount)
 920   {
 921     removeConnection(conn, 1);
 922     free(conn);
 923   }
 924 }
 925
 926 int op_curl_easy_compare(value v1, value v2)
 927 {
 928   size_t p1 = (size_t)Connection_val(v1);
 929   size_t p2 = (size_t)Connection_val(v2);
 930   return (p1 == p2 ? 0 : (p1 > p2 ? 1 : -1)); /* compare addresses */
 931 }
 932
 933 intnat op_curl_easy_hash(value v)
 934 {
 935   return (size_t)Connection_val(v); /* address */
 936 }
 937
 938 static struct custom_operations curl_easy_ops = {
 939   "ygrek.curl_easy",
 940   op_curl_easy_finalize,
 941   op_curl_easy_compare,
 942   op_curl_easy_hash,
 943   custom_serialize_default,
 944   custom_deserialize_default,
 945 #if defined(custom_compare_ext_default)
 946   custom_compare_ext_default,
 947 #endif
 948 };
 949
 950 value caml_curl_alloc(Connection* conn)
 951 {
 952   value v = caml_alloc_custom(&curl_easy_ops, sizeof(Connection*), 0, 1);
 953   Connection_val(v) = conn;
 954   conn->refcount++;
 955   return v;
 956 }
 957
 958 static size_t cb_WRITEFUNCTION(char *ptr, size_t size, size_t nmemb, void *data)
 959 {
 960     caml_leave_blocking_section();
 961
 962     CAMLparam0();
 963     CAMLlocal2(result, str);
 964     Connection *conn = (Connection *)data;
 965     size_t i;
 966
 967     checkConnection(conn);
 968
 969     str = caml_alloc_string(size*nmemb);
 970
 971     for (i = 0; i < size*nmemb; i++)
 972         Byte(str, i) = ptr[i];
 973
 974     result = caml_callback_exn(Field(conn->ocamlValues, Ocaml_WRITEFUNCTION), str);
 975
 976     size_t r = Is_exception_result(result) ? 0 : Int_val(result);
 977     CAMLdrop;
 978
 979     caml_enter_blocking_section();
 980     return r;
 981 }
 982
 983 static size_t cb_READFUNCTION(void *ptr, size_t size, size_t nmemb, void *data)
 984 {
 985     caml_leave_blocking_section();
 986
 987     CAMLparam0();
 988     CAMLlocal1(result);
 989     Connection *conn = (Connection *)data;
 990     size_t length;
 991
 992     checkConnection(conn);
 993
 994     result = caml_callback_exn(Field(conn->ocamlValues, Ocaml_READFUNCTION),
 995                       Val_int(size*nmemb));
 996
 997     if (Is_exception_result(result))
 998     {
 999       CAMLreturnT(size_t,CURL_READFUNC_ABORT);
1000     }
1001
1002     length = caml_string_length(result);
1003
1004     size_t r;
1005
1006     if (length <= size*nmemb)
1007     {
1008       memcpy(ptr, String_val(result), length);
1009       r = length;
1010     }
1011     else
1012     {
1013       r = CURL_READFUNC_ABORT;
1014     }
1015     CAMLdrop;
1016
1017     caml_enter_blocking_section();
1018     return r;
1019 }
1020
1021 static size_t cb_HEADERFUNCTION(char *ptr, size_t size, size_t nmemb, void *data)
1022 {
1023     caml_leave_blocking_section();
1024
1025     CAMLparam0();
1026     CAMLlocal2(result,str);
1027     Connection *conn = (Connection *)data;
1028     size_t i;
1029
1030     checkConnection(conn);
1031
1032     str = caml_alloc_string(size*nmemb);
1033
1034     for (i = 0; i < size*nmemb; i++)
1035         Byte(str, i) = ptr[i];
1036
1037     result = caml_callback_exn(Field(conn->ocamlValues, Ocaml_HEADERFUNCTION), str);
1038
1039     size_t r = Is_exception_result(result) ? 0 : Int_val(result);
1040     CAMLdrop;
1041
1042     caml_enter_blocking_section();
1043     return r;
1044 }
1045
1046 static int cb_PROGRESSFUNCTION(void *data,
1047                             double dlTotal,
1048                             double dlNow,
1049                             double ulTotal,
1050                             double ulNow)
1051 {
1052     caml_leave_blocking_section();
1053
1054     CAMLparam0();
1055     CAMLlocal1(result);
1056     CAMLlocalN(callbackData, 4);
1057     Connection *conn = (Connection *)data;
1058
1059     checkConnection(conn);
1060
1061     callbackData[0] = caml_copy_double(dlTotal);
1062     callbackData[1] = caml_copy_double(dlNow);
1063     callbackData[2] = caml_copy_double(ulTotal);
1064     callbackData[3] = caml_copy_double(ulNow);
1065
1066     result = caml_callbackN_exn(Field(conn->ocamlValues, Ocaml_PROGRESSFUNCTION),
1067                        4, callbackData);
1068
1069     int r = Is_exception_result(result) ? 1 : Bool_val(result);
1070     CAMLdrop;
1071
1072     caml_enter_blocking_section();
1073     return r;
1074 }
1075
1076 static int cb_DEBUGFUNCTION(CURL *debugConnection,
1077                          curl_infotype infoType,
1078                          char *buffer,
1079                          size_t bufferLength,
1080                          void *data)
1081 {
1082     caml_leave_blocking_section();
1083
1084     CAMLparam0();
1085     CAMLlocal3(camlDebugConnection, camlInfoType, camlMessage);
1086     size_t i;
1087     Connection *conn = (Connection *)data;
1088     (void)debugConnection; /* not used */
1089
1090     checkConnection(conn);
1091
1092     camlDebugConnection = (value)conn;
1093     camlInfoType = Val_long(infoType);
1094     camlMessage = caml_alloc_string(bufferLength);
1095
1096     for (i = 0; i < bufferLength; i++)
1097         Byte(camlMessage, i) = buffer[i];
1098
1099     caml_callback3_exn(Field(conn->ocamlValues, Ocaml_DEBUGFUNCTION),
1100               camlDebugConnection,
1101               camlInfoType,
1102               camlMessage);
1103
1104     CAMLdrop;
1105
1106     caml_enter_blocking_section();
1107     return 0;
1108 }
1109
1110 static curlioerr cb_IOCTLFUNCTION(CURL *ioctl,
1111                                int cmd,
1112                                void *data)
1113 {
1114     caml_leave_blocking_section();
1115
1116     CAMLparam0();
1117     CAMLlocal3(camlResult, camlConnection, camlCmd);
1118     Connection *conn = (Connection *)data;
1119     curlioerr result = CURLIOE_OK;
1120     (void)ioctl; /* not used */
1121
1122     checkConnection(conn);
1123
1124     if (cmd == CURLIOCMD_NOP)
1125         camlCmd = Val_long(0);
1126     else if (cmd == CURLIOCMD_RESTARTREAD)
1127         camlCmd = Val_long(1);
1128     else
1129         caml_failwith("Invalid IOCTL Cmd!");
1130
1131     camlConnection = caml_curl_alloc(conn);
1132
1133     camlResult = caml_callback2_exn(Field(conn->ocamlValues, Ocaml_IOCTLFUNCTION),
1134                            camlConnection,
1135                            camlCmd);
1136
1137     if (Is_exception_result(camlResult))
1138     {
1139       result = CURLIOE_FAILRESTART;
1140     }
1141     else
1142     switch (Long_val(camlResult))
1143     {
1144     case 0: /* CURLIOE_OK */
1145         result = CURLIOE_OK;
1146         break;
1147
1148     case 1: /* CURLIOE_UNKNOWNCMD */
1149         result = CURLIOE_UNKNOWNCMD;
1150         break;
1151
1152     case 2: /* CURLIOE_FAILRESTART */
1153         result = CURLIOE_FAILRESTART;
1154         break;
1155
1156     default: /* Incorrect return value, but let's handle it */
1157         result = CURLIOE_FAILRESTART;
1158         break;
1159     }
1160     CAMLdrop;
1161
1162     caml_enter_blocking_section();
1163     return result;
1164 }
1165
1166 #if HAVE_DECL_CURLOPT_SEEKFUNCTION
1167 static int cb_SEEKFUNCTION(void *data,
1168                         curl_off_t offset,
1169                         int origin)
1170 {
1171     caml_leave_blocking_section();
1172
1173     CAMLparam0();
1174     CAMLlocal3(camlResult, camlOffset, camlOrigin);
1175     Connection *conn = (Connection *)data;
1176
1177     camlOffset = caml_copy_int64(offset);
1178
1179     if (origin == SEEK_SET)
1180         camlOrigin = Val_long(0);
1181     else if (origin == SEEK_CUR)
1182         camlOrigin = Val_long(1);
1183     else if (origin == SEEK_END)
1184         camlOrigin = Val_long(2);
1185     else
1186         caml_failwith("Invalid seek code");
1187
1188     camlResult = caml_callback2_exn(Field(conn->ocamlValues,
1189                                  Ocaml_SEEKFUNCTION),
1190                            camlOffset,
1191                            camlOrigin);
1192
1193     int result;
1194     if (Is_exception_result(camlResult))
1195       result = CURL_SEEKFUNC_FAIL;
1196     else
1197     switch (Int_val(camlResult))
1198     {
1199       case 0: result = CURL_SEEKFUNC_OK; break;
1200       case 1: result = CURL_SEEKFUNC_FAIL; break;
1201       case 2: result = CURL_SEEKFUNC_CANTSEEK; break;
1202       default: caml_failwith("Invalid seek result");
1203     }
1204     CAMLdrop;
1205
1206     caml_enter_blocking_section();
1207     return result;
1208 }
1209 #endif
1210
1211 #if HAVE_DECL_CURLOPT_OPENSOCKETFUNCTION
1212 static int cb_OPENSOCKETFUNCTION(void *data,
1213                         curlsocktype purpose,
1214                         struct curl_sockaddr *addr)
1215 {
1216     caml_leave_blocking_section();
1217
1218     CAMLparam0();
1219     CAMLlocal1(result);
1220     Connection *conn = (Connection *)data;
1221     int sock = -1;
1222     (void)purpose; /* not used */
1223
1224     sock = socket(addr->family, addr->socktype, addr->protocol);
1225
1226     if (-1 != sock)
1227     {
1228       /* FIXME windows */
1229       result = caml_callback_exn(Field(conn->ocamlValues, Ocaml_OPENSOCKETFUNCTION), Val_int(sock));
1230       if (Is_exception_result(result))
1231       {
1232         close(sock);
1233         sock = -1;
1234       }
1235     }
1236     CAMLdrop;
1237
1238     caml_enter_blocking_section();
1239     return ((sock == -1) ? CURL_SOCKET_BAD : sock);
1240 }
1241 #endif
1242
1243 /**
1244  **  curl_global_init helper function
1245  **/
1246
1247 CAMLprim value helper_curl_global_init(value initOption)
1248 {
1249     CAMLparam1(initOption);
1250
1251     switch (Long_val(initOption))
1252     {
1253     case 0: /* CURLINIT_GLOBALALL */
1254         CAMLreturn(Val_long(curl_global_init(CURL_GLOBAL_ALL)));
1255         break;
1256
1257     case 1: /* CURLINIT_GLOBALSSL */
1258         CAMLreturn(Val_long(curl_global_init(CURL_GLOBAL_SSL)));
1259         break;
1260
1261     case 2: /* CURLINIT_GLOBALWIN32 */
1262         CAMLreturn(Val_long(curl_global_init(CURL_GLOBAL_WIN32)));
1263         break;
1264
1265     case 3: /* CURLINIT_GLOBALNOTHING */
1266         CAMLreturn(Val_long(curl_global_init(CURL_GLOBAL_NOTHING)));
1267         break;
1268
1269     default:
1270         caml_failwith("Invalid Initialization Option");
1271         break;
1272     }
1273
1274     /* Keep compiler happy, we should never get here due to caml_failwith() */
1275     CAMLreturn(Val_unit);
1276 }
1277
1278 /**
1279  **  curl_global_cleanup helper function
1280  **/
1281
1282 CAMLprim value helper_curl_global_cleanup(void)
1283 {
1284     CAMLparam0();
1285
1286     curl_global_cleanup();
1287
1288     CAMLreturn(Val_unit);
1289 }
1290
1291 /**
1292  ** curl_easy_init helper function
1293  **/
1294 CAMLprim value helper_curl_easy_init(void)
1295 {
1296     CAMLparam0();
1297     CAMLlocal1(result);
1298
1299     result = caml_curl_alloc(newConnection());
1300
1301     CAMLreturn(result);
1302 }
1303
1304 CAMLprim value helper_curl_easy_reset(value conn)
1305 {
1306     CAMLparam1(conn);
1307     Connection *connection = Connection_val(conn);
1308
1309     checkConnection(connection);
1310     curl_easy_reset(connection->connection);
1311     resetOcamlValues(connection);
1312
1313     CAMLreturn(Val_unit);
1314 }
1315
1316 /**
1317  **  curl_easy_setopt helper utility functions
1318  **/
1319
1320 #define SETOPT_FUNCTION(name) \
1321 static void handle_##name##FUNCTION(Connection *conn, value option) \
1322 { \
1323     CAMLparam1(option); \
1324     CURLcode result = CURLE_OK; \
1325     Store_field(conn->ocamlValues, Ocaml_##name##FUNCTION, option); \
1326     result = curl_easy_setopt(conn->connection, CURLOPT_##name##FUNCTION, cb_##name##FUNCTION); \
1327     if (result != CURLE_OK) raiseError(conn, result); \
1328     result = curl_easy_setopt(conn->connection, CURLOPT_##name##DATA, conn); \
1329     if (result != CURLE_OK) raiseError(conn, result); \
1330     CAMLreturn0; \
1331 }
1332
1333 SETOPT_FUNCTION( WRITE)
1334 SETOPT_FUNCTION( READ)
1335 SETOPT_FUNCTION( HEADER)
1336 SETOPT_FUNCTION( PROGRESS)
1337 SETOPT_FUNCTION( DEBUG)
1338
1339 #if HAVE_DECL_CURLOPT_SEEKFUNCTION
1340 SETOPT_FUNCTION( SEEK)
1341 #endif
1342
1343 #if HAVE_DECL_CURLOPT_IOCTLFUNCTION
1344 SETOPT_FUNCTION( IOCTL)
1345 #endif
1346
1347 #if HAVE_DECL_CURLOPT_OPENSOCKETFUNCTION
1348 SETOPT_FUNCTION( OPENSOCKET)
1349 #endif
1350
1351 static void handle_slist(Connection *conn, struct curl_slist** slist, OcamlValue caml_option, CURLoption curl_option, value option)
1352 {
1353     CAMLparam1(option);
1354     CURLcode result = CURLE_OK;
1355
1356     Store_field(conn->ocamlValues, caml_option, option);
1357
1358     free_curl_slist(*slist);
1359     *slist = NULL;
1360
1361     while (Val_emptylist != option)
1362     {
1363         *slist = curl_slist_append(*slist, String_val(Field(option, 0)));
1364
1365         option = Field(option, 1);
1366     }
1367
1368     result = curl_easy_setopt(conn->connection, curl_option, *slist);
1369
1370     if (result != CURLE_OK)
1371         raiseError(conn, result);
1372
1373     CAMLreturn0;
1374 }
1375
1376 static long convert_bit_list(long *map, size_t map_size, value option)
1377 {
1378     CAMLparam1(option);
1379     long bits = 0;
1380     int index;
1381
1382     while (Val_emptylist != option)
1383     {
1384         index = Int_val(Field(option, 0));
1385         if ((index < 0) || ((size_t)index >= map_size))
1386           caml_invalid_argument("convert_bit_list");
1387
1388         bits |= map[index];
1389
1390         option = Field(option, 1);
1391     }
1392
1393     CAMLreturnT(long, bits);
1394 }
1395
1396 #define SETOPT_STRING(name) \
1397 static void handle_##name(Connection *conn, value option) \
1398 { \
1399     CAMLparam1(option); \
1400     CURLcode result = CURLE_OK; \
1401 \
1402     Store_field(conn->ocamlValues, Ocaml_##name, option); \
1403 \
1404     if (conn->curl_##name != NULL) \
1405         free(conn->curl_##name); \
1406 \
1407     conn->curl_##name = strdup(String_val(option)); \
1408 \
1409     result = curl_easy_setopt(conn->connection, CURLOPT_##name, conn->curl_##name); \
1410 \
1411     if (result != CURLE_OK) \
1412         raiseError(conn, result); \
1413 \
1414     CAMLreturn0; \
1415 }
1416
1417 #define SETOPT_VAL_(func_name, curl_option, conv_val) \
1418 static void func_name(Connection *conn, value option) \
1419 { \
1420     CAMLparam1(option); \
1421     CURLcode result = CURLE_OK; \
1422 \
1423     result = curl_easy_setopt(conn->connection, curl_option, conv_val(option)); \
1424 \
1425     if (result != CURLE_OK) \
1426         raiseError(conn, result); \
1427 \
1428     CAMLreturn0; \
1429 }
1430
1431 #define SETOPT_VAL(name, conv) SETOPT_VAL_(handle_##name, CURLOPT_##name, conv)
1432 #define SETOPT_BOOL(name) SETOPT_VAL(name, Bool_val)
1433 #define SETOPT_LONG(name) SETOPT_VAL(name, Long_val)
1434 #define SETOPT_INT64(name) SETOPT_VAL(name, Int64_val)
1435
1436 #define SETOPT_SLIST(name) \
1437 static void handle_##name(Connection* conn, value option) \
1438 { \
1439   handle_slist(conn,&(conn->curl_##name),Ocaml_##name,CURLOPT_##name,option); \
1440 }
1441
1442 SETOPT_STRING( URL)
1443 SETOPT_LONG( INFILESIZE)
1444 SETOPT_STRING( PROXY)
1445 SETOPT_LONG( PROXYPORT)
1446 SETOPT_BOOL( HTTPPROXYTUNNEL)
1447 SETOPT_BOOL( VERBOSE)
1448 SETOPT_BOOL( HEADER)
1449 SETOPT_BOOL( NOPROGRESS)
1450
1451 #if HAVE_DECL_CURLOPT_NOSIGNAL
1452 SETOPT_BOOL( NOSIGNAL)
1453 #endif
1454
1455 SETOPT_BOOL( NOBODY)
1456 SETOPT_BOOL( FAILONERROR)
1457 SETOPT_BOOL( UPLOAD)
1458 SETOPT_BOOL( POST)
1459 SETOPT_BOOL( FTPLISTONLY)
1460 SETOPT_BOOL( FTPAPPEND)
1461
1462
1463 static void handle_NETRC(Connection *conn, value option)
1464 {
1465     CAMLparam1(option);
1466     CURLcode result = CURLE_OK;
1467     long netrc;
1468
1469     switch (Long_val(option))
1470     {
1471     case 0: /* CURL_NETRC_OPTIONAL */
1472         netrc = CURL_NETRC_OPTIONAL;
1473         break;
1474
1475     case 1:/* CURL_NETRC_IGNORED */
1476         netrc = CURL_NETRC_IGNORED;
1477         break;
1478
1479     case 2: /* CURL_NETRC_REQUIRED */
1480         netrc = CURL_NETRC_REQUIRED;
1481         break;
1482
1483     default:
1484         caml_failwith("Invalid NETRC Option");
1485         break;
1486     }
1487
1488     result = curl_easy_setopt(conn->connection,
1489                               CURLOPT_NETRC,
1490                               netrc);
1491
1492     if (result != CURLE_OK)
1493         raiseError(conn, result);
1494
1495     CAMLreturn0;
1496 }
1497
1498 #if HAVE_DECL_CURLOPT_ENCODING
1499 static void handle_ENCODING(Connection *conn, value option)
1500 {
1501     CAMLparam1(option);
1502     CURLcode result = CURLE_OK;
1503
1504     switch (Long_val(option))
1505     {
1506     case 0: /* CURL_ENCODING_NONE */
1507         result = curl_easy_setopt(conn->connection,
1508                                   CURLOPT_ENCODING,
1509                                   "identity");
1510         break;
1511
1512     case 1: /* CURL_ENCODING_DEFLATE */
1513         result = curl_easy_setopt(conn->connection,
1514                                   CURLOPT_ENCODING,
1515                                   "deflate");
1516         break;
1517
1518     case 2: /* CURL_ENCODING_GZIP */
1519         result = curl_easy_setopt(conn->connection,
1520                                   CURLOPT_ENCODING,
1521                                   "gzip");
1522         break;
1523
1524     case 3: /* CURL_ENCODING_ANY */
1525         result = curl_easy_setopt(conn->connection,
1526                                   CURLOPT_ENCODING,
1527                                   "");
1528         break;
1529
1530     default:
1531         caml_failwith("Invalid Encoding Option");
1532         break;
1533     }
1534
1535     if (result != CURLE_OK)
1536         raiseError(conn, result);
1537
1538     CAMLreturn0;
1539 }
1540 #endif
1541
1542
1543 SETOPT_BOOL( FOLLOWLOCATION)
1544 SETOPT_BOOL( TRANSFERTEXT)
1545 SETOPT_BOOL( PUT)
1546 SETOPT_STRING( USERPWD)
1547 SETOPT_STRING( PROXYUSERPWD)
1548 SETOPT_STRING( RANGE)
1549
1550 static void handle_ERRORBUFFER(Connection *conn, value option)
1551 {
1552     CAMLparam1(option);
1553     CURLcode result = CURLE_OK;
1554
1555     Store_field(conn->ocamlValues, Ocaml_ERRORBUFFER, option);
1556
1557     if (conn->curl_ERRORBUFFER != NULL)
1558         free(conn->curl_ERRORBUFFER);
1559
1560     conn->curl_ERRORBUFFER = malloc(sizeof(char) * CURL_ERROR_SIZE);
1561
1562     result = curl_easy_setopt(conn->connection,
1563                               CURLOPT_ERRORBUFFER,
1564                               conn->curl_ERRORBUFFER);
1565
1566     if (result != CURLE_OK)
1567         raiseError(conn, result);
1568
1569     CAMLreturn0;
1570 }
1571
1572 SETOPT_LONG( TIMEOUT)
1573
1574 static void handle_POSTFIELDS(Connection *conn, value option)
1575 {
1576     CAMLparam1(option);
1577     CURLcode result = CURLE_OK;
1578
1579     Store_field(conn->ocamlValues, Ocaml_POSTFIELDS, option);
1580
1581     if (conn->curl_POSTFIELDS != NULL)
1582         free(conn->curl_POSTFIELDS);
1583
1584     conn->curl_POSTFIELDS = strdup_ml(option);
1585
1586     result = curl_easy_setopt(conn->connection,
1587                               CURLOPT_POSTFIELDS,
1588                               conn->curl_POSTFIELDS);
1589
1590     if (result != CURLE_OK)
1591         raiseError(conn, result);
1592
1593     CAMLreturn0;
1594 }
1595
1596 SETOPT_LONG( POSTFIELDSIZE)
1597 SETOPT_STRING( REFERER)
1598 SETOPT_STRING( USERAGENT)
1599 SETOPT_STRING( FTPPORT)
1600 SETOPT_LONG( LOW_SPEED_LIMIT)
1601 SETOPT_LONG( LOW_SPEED_TIME)
1602 SETOPT_LONG( RESUME_FROM)
1603 SETOPT_STRING( COOKIE)
1604
1605 SETOPT_SLIST( HTTPHEADER)
1606
1607 static void handle_HTTPPOST(Connection *conn, value option)
1608 {
1609     CAMLparam1(option);
1610     CAMLlocal3(listIter, formItem, contentType);
1611     CURLcode result = CURLE_OK;
1612
1613     listIter = option;
1614
1615     Store_field(conn->ocamlValues, Ocaml_HTTPPOST, option);
1616
1617     free_curl_slist(conn->httpPostBuffers);
1618     if (conn->httpPostFirst != NULL)
1619         curl_formfree(conn->httpPostFirst);
1620
1621     conn->httpPostBuffers = NULL;
1622     conn->httpPostFirst = NULL;
1623     conn->httpPostLast = NULL;
1624
1625     while (!Is_long(listIter))
1626     {
1627         formItem = Field(listIter, 0);
1628
1629         switch (Tag_val(formItem))
1630         {
1631         case 0: /* CURLFORM_CONTENT */
1632             if (Wosize_val(formItem) < 3)
1633             {
1634                 caml_failwith("Incorrect CURLFORM_CONTENT parameters");
1635             }
1636
1637             if (Is_long(Field(formItem, 2)) &&
1638                 Long_val(Field(formItem, 2)) == 0)
1639             {
1640                 curl_formadd(&conn->httpPostFirst,
1641                              &conn->httpPostLast,
1642                              CURLFORM_COPYNAME,
1643                              String_val(Field(formItem, 0)),
1644                              CURLFORM_NAMELENGTH,
1645                              caml_string_length(Field(formItem, 0)),
1646                              CURLFORM_COPYCONTENTS,
1647                              String_val(Field(formItem, 1)),
1648                              CURLFORM_CONTENTSLENGTH,
1649                              caml_string_length(Field(formItem, 1)),
1650                              CURLFORM_END);
1651             }
1652             else if (Is_block(Field(formItem, 2)))
1653             {
1654                 contentType = Field(formItem, 2);
1655
1656                 curl_formadd(&conn->httpPostFirst,
1657                              &conn->httpPostLast,
1658                              CURLFORM_COPYNAME,
1659                              String_val(Field(formItem, 0)),
1660                              CURLFORM_NAMELENGTH,
1661                              caml_string_length(Field(formItem, 0)),
1662                              CURLFORM_COPYCONTENTS,
1663                              String_val(Field(formItem, 1)),
1664                              CURLFORM_CONTENTSLENGTH,
1665                              caml_string_length(Field(formItem, 1)),
1666                              CURLFORM_CONTENTTYPE,
1667                              String_val(Field(contentType, 0)),
1668                              CURLFORM_END);
1669             }
1670             else
1671             {
1672                 caml_failwith("Incorrect CURLFORM_CONTENT parameters");
1673             }
1674             break;
1675
1676         case 1: /* CURLFORM_FILECONTENT */
1677             if (Wosize_val(formItem) < 3)
1678             {
1679                 caml_failwith("Incorrect CURLFORM_FILECONTENT parameters");
1680             }
1681
1682             if (Is_long(Field(formItem, 2)) &&
1683                 Long_val(Field(formItem, 2)) == 0)
1684             {
1685                 curl_formadd(&conn->httpPostFirst,
1686                              &conn->httpPostLast,
1687                              CURLFORM_COPYNAME,
1688                              String_val(Field(formItem, 0)),
1689                              CURLFORM_NAMELENGTH,
1690                              caml_string_length(Field(formItem, 0)),
1691                              CURLFORM_FILECONTENT,
1692                              String_val(Field(formItem, 1)),
1693                              CURLFORM_END);
1694             }
1695             else if (Is_block(Field(formItem, 2)))
1696             {
1697                 contentType = Field(formItem, 2);
1698
1699                 curl_formadd(&conn->httpPostFirst,
1700                              &conn->httpPostLast,
1701                              CURLFORM_COPYNAME,
1702                              String_val(Field(formItem, 0)),
1703                              CURLFORM_NAMELENGTH,
1704                              caml_string_length(Field(formItem, 0)),
1705                              CURLFORM_FILECONTENT,
1706                              String_val(Field(formItem, 1)),
1707                              CURLFORM_CONTENTTYPE,
1708                              String_val(Field(contentType, 0)),
1709                              CURLFORM_END);
1710             }
1711             else
1712             {
1713                 caml_failwith("Incorrect CURLFORM_FILECONTENT parameters");
1714             }
1715             break;
1716
1717         case 2: /* CURLFORM_FILE */
1718             if (Wosize_val(formItem) < 3)
1719             {
1720                 caml_failwith("Incorrect CURLFORM_FILE parameters");
1721             }
1722
1723             if (Is_long(Field(formItem, 2)) &&
1724                 Long_val(Field(formItem, 2)) == 0)
1725             {
1726                 curl_formadd(&conn->httpPostFirst,
1727                              &conn->httpPostLast,
1728                              CURLFORM_COPYNAME,
1729                              String_val(Field(formItem, 0)),
1730                              CURLFORM_NAMELENGTH,
1731                              caml_string_length(Field(formItem, 0)),
1732                              CURLFORM_FILE,
1733                              String_val(Field(formItem, 1)),
1734                              CURLFORM_END);
1735             }
1736             else if (Is_block(Field(formItem, 2)))
1737             {
1738                 contentType = Field(formItem, 2);
1739
1740                 curl_formadd(&conn->httpPostFirst,
1741                              &conn->httpPostLast,
1742                              CURLFORM_COPYNAME,
1743                              String_val(Field(formItem, 0)),
1744                              CURLFORM_NAMELENGTH,
1745                              caml_string_length(Field(formItem, 0)),
1746                              CURLFORM_FILE,
1747                              String_val(Field(formItem, 1)),
1748                              CURLFORM_CONTENTTYPE,
1749                              String_val(Field(contentType, 0)),
1750                              CURLFORM_END);
1751             }
1752             else
1753             {
1754                 caml_failwith("Incorrect CURLFORM_FILE parameters");
1755             }
1756             break;
1757
1758         case 3: /* CURLFORM_BUFFER */
1759             if (Wosize_val(formItem) < 4)
1760             {
1761                 caml_failwith("Incorrect CURLFORM_BUFFER parameters");
1762             }
1763
1764             if (Is_long(Field(formItem, 3)) &&
1765                 Long_val(Field(formItem, 3)) == 0)
1766             {
1767                 conn->httpPostBuffers = curl_slist_prepend_ml(conn->httpPostBuffers, Field(formItem, 2));
1768
1769                 curl_formadd(&conn->httpPostFirst,
1770                              &conn->httpPostLast,
1771                              CURLFORM_COPYNAME,
1772                              String_val(Field(formItem, 0)),
1773                              CURLFORM_NAMELENGTH,
1774                              caml_string_length(Field(formItem, 0)),
1775                              CURLFORM_BUFFER,
1776                              String_val(Field(formItem, 1)),
1777                              CURLFORM_BUFFERPTR,
1778                              conn->httpPostBuffers->data,
1779                              CURLFORM_BUFFERLENGTH,
1780                              caml_string_length(Field(formItem, 2)),
1781                              CURLFORM_END);
1782             }
1783             else if (Is_block(Field(formItem, 3)))
1784             {
1785                 conn->httpPostBuffers = curl_slist_prepend_ml(conn->httpPostBuffers, Field(formItem, 2));
1786
1787                 contentType = Field(formItem, 3);
1788
1789                 curl_formadd(&conn->httpPostFirst,
1790                              &conn->httpPostLast,
1791                              CURLFORM_COPYNAME,
1792                              String_val(Field(formItem, 0)),
1793                              CURLFORM_NAMELENGTH,
1794                              caml_string_length(Field(formItem, 0)),
1795                              CURLFORM_BUFFER,
1796                              String_val(Field(formItem, 1)),
1797                              CURLFORM_BUFFERPTR,
1798                              conn->httpPostBuffers->data,
1799                              CURLFORM_BUFFERLENGTH,
1800                              caml_string_length(Field(formItem, 2)),
1801                              CURLFORM_CONTENTTYPE,
1802                              String_val(Field(contentType, 0)),
1803                              CURLFORM_END);
1804             }
1805             else
1806             {
1807                 caml_failwith("Incorrect CURLFORM_BUFFER parameters");
1808             }
1809             break;
1810         }
1811
1812         listIter = Field(listIter, 1);
1813     }
1814
1815     result = curl_easy_setopt(conn->connection,
1816                               CURLOPT_HTTPPOST,
1817                               conn->httpPostFirst);
1818
1819     if (result != CURLE_OK)
1820         raiseError(conn, result);
1821
1822     CAMLreturn0;
1823 }
1824
1825 SETOPT_STRING( SSLCERT)
1826 SETOPT_STRING( SSLCERTTYPE)
1827 SETOPT_STRING( SSLCERTPASSWD)
1828 SETOPT_STRING( SSLKEY)
1829 SETOPT_STRING( SSLKEYTYPE)
1830 SETOPT_STRING( SSLKEYPASSWD)
1831 SETOPT_STRING( SSLENGINE)
1832 SETOPT_BOOL( SSLENGINE_DEFAULT)
1833 SETOPT_BOOL( CRLF)
1834
1835 SETOPT_SLIST( QUOTE)
1836 SETOPT_SLIST( POSTQUOTE)
1837
1838 SETOPT_STRING( COOKIEFILE)
1839 #if HAVE_DECL_CURLOPT_CERTINFO
1840 SETOPT_BOOL( CERTINFO)
1841 #endif
1842
1843 static void handle_SSLVERSION(Connection *conn, value option)
1844 {
1845     CAMLparam1(option);
1846     CURLcode result = CURLE_OK;
1847     int v = CURL_SSLVERSION_DEFAULT;
1848
1849     switch (Long_val(option))
1850     {
1851     case 0: v = CURL_SSLVERSION_DEFAULT; break;
1852     case 1: v = CURL_SSLVERSION_TLSv1; break;
1853     case 2: v = CURL_SSLVERSION_SSLv2; break;
1854     case 3: v = CURL_SSLVERSION_SSLv3; break;
1855     case 4: v = CURL_SSLVERSION_TLSv1_0; break;
1856     case 5: v = CURL_SSLVERSION_TLSv1_1; break;
1857     case 6: v = CURL_SSLVERSION_TLSv1_2; break;
1858     default:
1859         caml_failwith("Invalid SSLVERSION Option");
1860         break;
1861     }
1862
1863     result = curl_easy_setopt(conn->connection, CURLOPT_SSLVERSION, v);
1864
1865     if (result != CURLE_OK)
1866         raiseError(conn, result);
1867
1868     CAMLreturn0;
1869 }
1870
1871 static void handle_TIMECONDITION(Connection *conn, value option)
1872 {
1873     CAMLparam1(option);
1874     CURLcode result = CURLE_OK;
1875     int timecond = CURL_TIMECOND_NONE;
1876
1877     switch (Long_val(option))
1878     {
1879     case 0: timecond = CURL_TIMECOND_NONE; break;
1880     case 1: timecond = CURL_TIMECOND_IFMODSINCE; break;
1881     case 2: timecond = CURL_TIMECOND_IFUNMODSINCE; break;
1882     case 3: timecond = CURL_TIMECOND_LASTMOD; break;
1883     default:
1884         caml_failwith("Invalid TIMECOND Option");
1885         break;
1886     }
1887
1888     result = curl_easy_setopt(conn->connection, CURLOPT_TIMECONDITION, timecond);
1889
1890     if (result != CURLE_OK)
1891         raiseError(conn, result);
1892
1893     CAMLreturn0;
1894 }
1895
1896 SETOPT_VAL( TIMEVALUE, Int32_val)
1897 SETOPT_STRING( CUSTOMREQUEST)
1898 SETOPT_STRING( INTERFACE)
1899
1900 static void handle_KRB4LEVEL(Connection *conn, value option)
1901 {
1902     CAMLparam1(option);
1903     CURLcode result = CURLE_OK;
1904
1905     switch (Long_val(option))
1906     {
1907     case 0: /* KRB4_NONE */
1908         result = curl_easy_setopt(conn->connection,
1909                                   CURLOPT_KRB4LEVEL,
1910                                   NULL);
1911         break;
1912
1913     case 1: /* KRB4_CLEAR */
1914         result = curl_easy_setopt(conn->connection,
1915                                   CURLOPT_KRB4LEVEL,
1916                                   "clear");
1917         break;
1918
1919     case 2: /* KRB4_SAFE */
1920         result = curl_easy_setopt(conn->connection,
1921                                   CURLOPT_KRB4LEVEL,
1922                                   "safe");
1923         break;
1924
1925     case 3: /* KRB4_CONFIDENTIAL */
1926         result = curl_easy_setopt(conn->connection,
1927                                   CURLOPT_KRB4LEVEL,
1928                                   "confidential");
1929         break;
1930
1931     case 4: /* KRB4_PRIVATE */
1932         result = curl_easy_setopt(conn->connection,
1933                                   CURLOPT_KRB4LEVEL,
1934                                   "private");
1935         break;
1936
1937     default:
1938         caml_failwith("Invalid KRB4 Option");
1939         break;
1940     }
1941
1942     if (result != CURLE_OK)
1943         raiseError(conn, result);
1944
1945     CAMLreturn0;
1946 }
1947
1948 SETOPT_BOOL( SSL_VERIFYPEER)
1949 SETOPT_STRING( CAINFO)
1950 SETOPT_STRING( CAPATH)
1951 SETOPT_BOOL( FILETIME)
1952 SETOPT_LONG( MAXREDIRS)
1953 SETOPT_LONG( MAXCONNECTS)
1954
1955 static void handle_CLOSEPOLICY(Connection *conn, value option)
1956 {
1957     CAMLparam1(option);
1958     CURLcode result = CURLE_OK;
1959
1960     switch (Long_val(option))
1961     {
1962     case 0: /* CLOSEPOLICY_OLDEST */
1963         result = curl_easy_setopt(conn->connection,
1964                                   CURLOPT_CLOSEPOLICY,
1965                                   CURLCLOSEPOLICY_OLDEST);
1966         break;
1967
1968     case 1: /* CLOSEPOLICY_LEAST_RECENTLY_USED */
1969         result = curl_easy_setopt(conn->connection,
1970                                   CURLOPT_CLOSEPOLICY,
1971                                   CURLCLOSEPOLICY_LEAST_RECENTLY_USED);
1972         break;
1973
1974     default:
1975         caml_failwith("Invalid CLOSEPOLICY Option");
1976         break;
1977     }
1978
1979     if (result != CURLE_OK)
1980         raiseError(conn, result);
1981
1982     CAMLreturn0;
1983 }
1984
1985 SETOPT_BOOL( FRESH_CONNECT)
1986 SETOPT_BOOL( FORBID_REUSE)
1987 SETOPT_STRING( RANDOM_FILE)
1988 SETOPT_STRING( EGDSOCKET)
1989 SETOPT_LONG( CONNECTTIMEOUT)
1990 SETOPT_BOOL( HTTPGET)
1991
1992 static void handle_SSL_VERIFYHOST(Connection *conn, value option)
1993 {
1994     CAMLparam1(option);
1995     CURLcode result = CURLE_OK;
1996
1997     switch (Long_val(option))
1998     {
1999     case 0: /* SSLVERIFYHOST_NONE */
2000     case 1: /* SSLVERIFYHOST_EXISTENCE */
2001     case 2: /* SSLVERIFYHOST_HOSTNAME */
2002         result = curl_easy_setopt(conn->connection,
2003                                   CURLOPT_SSL_VERIFYHOST,
2004                                   /* map EXISTENCE to HOSTNAME */
2005                                   Long_val(option) == 0 ? 0 : 2);
2006         break;
2007
2008     default:
2009         caml_failwith("Invalid SSLVERIFYHOST Option");
2010         break;
2011     }
2012
2013     if (result != CURLE_OK)
2014         raiseError(conn, result);
2015
2016     CAMLreturn0;
2017 }
2018
2019 SETOPT_STRING( COOKIEJAR)
2020 SETOPT_STRING( SSL_CIPHER_LIST)
2021
2022 static void handle_HTTP_VERSION(Connection *conn, value option)
2023 {
2024     CAMLparam1(option);
2025     CURLcode result = CURLE_OK;
2026
2027     long version = CURL_HTTP_VERSION_NONE;
2028
2029     switch (Long_val(option))
2030     {
2031     case 0: version = CURL_HTTP_VERSION_NONE; break;
2032     case 1: version = CURL_HTTP_VERSION_1_0; break;
2033     case 2: version = CURL_HTTP_VERSION_1_1; break;
2034     case 3:
2035 #if defined(CURL_HTTP_VERSION_2)
2036       version = CURL_HTTP_VERSION_2;
2037 #elif defined(CURL_HTTP_VERSION_2_0)
2038       version = CURL_HTTP_VERSION_2_0;
2039 #endif
2040       break;
2041     case 4:
2042 #if defined(CURL_HTTP_VERSION_2TLS)
2043       version = CURL_HTTP_VERSION_2TLS;
2044 #endif
2045       break;
2046     default:
2047       caml_invalid_argument("CURLOPT_HTTP_VERSION");
2048       break;
2049     }
2050
2051     result = curl_easy_setopt(conn->connection, CURLOPT_HTTP_VERSION, version);
2052
2053     if (result != CURLE_OK)
2054         raiseError(conn, result);
2055
2056     CAMLreturn0;
2057 }
2058
2059 SETOPT_BOOL( FTP_USE_EPSV)
2060 SETOPT_LONG( DNS_CACHE_TIMEOUT)
2061 SETOPT_BOOL( DNS_USE_GLOBAL_CACHE)
2062
2063 #if HAVE_DECL_CURLOPT_PRIVATE
2064 SETOPT_STRING( PRIVATE)
2065 #endif
2066
2067 #if HAVE_DECL_CURLOPT_HTTP200ALIASES
2068 SETOPT_SLIST( HTTP200ALIASES)
2069 #endif
2070
2071 #if HAVE_DECL_CURLOPT_UNRESTRICTED_AUTH
2072 SETOPT_BOOL( UNRESTRICTED_AUTH)
2073 #endif
2074
2075 #if HAVE_DECL_CURLOPT_FTP_USE_EPRT
2076 SETOPT_BOOL( FTP_USE_EPRT)
2077 #endif
2078
2079 #if HAVE_DECL_CURLOPT_HTTPAUTH
2080 static void handle_HTTPAUTH(Connection *conn, value option)
2081 {
2082     CAMLparam1(option);
2083     CAMLlocal1(listIter);
2084     CURLcode result = CURLE_OK;
2085     long auth = CURLAUTH_NONE;
2086
2087     listIter = option;
2088
2089     while (!Is_long(listIter))
2090     {
2091         switch (Long_val(Field(listIter, 0)))
2092         {
2093         case 0: /* CURLAUTH_BASIC */
2094             auth |= CURLAUTH_BASIC;
2095             break;
2096
2097         case 1: /* CURLAUTH_DIGEST */
2098             auth |= CURLAUTH_DIGEST;
2099             break;
2100
2101         case 2: /* CURLAUTH_GSSNEGOTIATE */
2102             auth |= CURLAUTH_GSSNEGOTIATE;
2103             break;
2104
2105         case 3: /* CURLAUTH_NTLM */
2106             auth |= CURLAUTH_NTLM;
2107             break;
2108
2109         case 4: /* CURLAUTH_ANY */
2110             auth |= CURLAUTH_ANY;
2111             break;
2112
2113         case 5: /* CURLAUTH_ANYSAFE */
2114             auth |= CURLAUTH_ANYSAFE;
2115             break;
2116
2117         default:
2118             caml_failwith("Invalid HTTPAUTH Value");
2119             break;
2120         }
2121
2122         listIter = Field(listIter, 1);
2123     }
2124
2125     result = curl_easy_setopt(conn->connection,
2126                               CURLOPT_HTTPAUTH,
2127                               auth);
2128
2129     if (result != CURLE_OK)
2130         raiseError(conn, result);
2131
2132     CAMLreturn0;
2133 }
2134 #endif
2135
2136 #if HAVE_DECL_CURLOPT_FTP_CREATE_MISSING_DIRS
2137 SETOPT_BOOL( FTP_CREATE_MISSING_DIRS)
2138 #endif
2139
2140 #if HAVE_DECL_CURLOPT_PROXYAUTH
2141 static void handle_PROXYAUTH(Connection *conn, value option)
2142 {
2143     CAMLparam1(option);
2144     CAMLlocal1(listIter);
2145     CURLcode result = CURLE_OK;
2146     long auth = CURLAUTH_NONE;
2147
2148     listIter = option;
2149
2150     while (!Is_long(listIter))
2151     {
2152         switch (Long_val(Field(listIter, 0)))
2153         {
2154         case 0: /* CURLAUTH_BASIC */
2155             auth |= CURLAUTH_BASIC;
2156             break;
2157
2158         case 1: /* CURLAUTH_DIGEST */
2159             auth |= CURLAUTH_DIGEST;
2160             break;
2161
2162         case 2: /* CURLAUTH_GSSNEGOTIATE */
2163             auth |= CURLAUTH_GSSNEGOTIATE;
2164             break;
2165
2166         case 3: /* CURLAUTH_NTLM */
2167             auth |= CURLAUTH_NTLM;
2168             break;
2169
2170         case 4: /* CURLAUTH_ANY */
2171             auth |= CURLAUTH_ANY;
2172             break;
2173
2174         case 5: /* CURLAUTH_ANYSAFE */
2175             auth |= CURLAUTH_ANYSAFE;
2176             break;
2177
2178         default:
2179             caml_failwith("Invalid HTTPAUTH Value");
2180             break;
2181         }
2182
2183         listIter = Field(listIter, 1);
2184     }
2185
2186     result = curl_easy_setopt(conn->connection,
2187                               CURLOPT_PROXYAUTH,
2188                               auth);
2189
2190     if (result != CURLE_OK)
2191         raiseError(conn, result);
2192
2193     CAMLreturn0;
2194 }
2195 #endif
2196
2197 #if HAVE_DECL_CURLOPT_FTP_RESPONSE_TIMEOUT
2198 SETOPT_LONG( FTP_RESPONSE_TIMEOUT)
2199 #endif
2200
2201 #if HAVE_DECL_CURLOPT_IPRESOLVE
2202 static void handle_IPRESOLVE(Connection *conn, value option)
2203 {
2204     CAMLparam1(option);
2205     CURLcode result = CURLE_OK;
2206
2207     switch (Long_val(option))
2208     {
2209     case 0: /* CURL_IPRESOLVE_WHATEVER */
2210         result = curl_easy_setopt(conn->connection,
2211                                   CURLOPT_IPRESOLVE,
2212                                   CURL_IPRESOLVE_WHATEVER);
2213         break;
2214
2215     case 1: /* CURL_IPRESOLVE_V4 */
2216         result = curl_easy_setopt(conn->connection,
2217                                   CURLOPT_IPRESOLVE,
2218                                   CURL_IPRESOLVE_V4);
2219         break;
2220
2221     case 2: /* CURL_IPRESOLVE_V6 */
2222         result = curl_easy_setopt(conn->connection,
2223                                   CURLOPT_IPRESOLVE,
2224                                   CURL_IPRESOLVE_V6);
2225         break;
2226
2227     default:
2228         caml_failwith("Invalid IPRESOLVE Value");
2229         break;
2230     }
2231
2232     if (result != CURLE_OK)
2233         raiseError(conn, result);
2234
2235     CAMLreturn0;
2236 }
2237 #endif
2238
2239 #if HAVE_DECL_CURLOPT_MAXFILESIZE
2240 SETOPT_VAL( MAXFILESIZE, Int32_val)
2241 #endif
2242
2243 #if HAVE_DECL_CURLOPT_INFILESIZE_LARGE
2244 SETOPT_INT64( INFILESIZE_LARGE)
2245 #endif
2246
2247 #if HAVE_DECL_CURLOPT_RESUME_FROM_LARGE
2248 SETOPT_INT64( RESUME_FROM_LARGE)
2249 #endif
2250
2251 #if HAVE_DECL_CURLOPT_MAXFILESIZE_LARGE
2252 SETOPT_INT64( MAXFILESIZE_LARGE)
2253 #endif
2254
2255 #if HAVE_DECL_CURLOPT_NETRC_FILE
2256 SETOPT_STRING( NETRC_FILE)
2257 #endif
2258
2259 #if HAVE_DECL_CURLOPT_FTP_SSL
2260 static void handle_FTP_SSL(Connection *conn, value option)
2261 {
2262     CAMLparam1(option);
2263     CURLcode result = CURLE_OK;
2264
2265     switch (Long_val(option))
2266     {
2267     case 0: /* CURLFTPSSL_NONE */
2268         result = curl_easy_setopt(conn->connection,
2269                                   CURLOPT_FTP_SSL,
2270                                   CURLFTPSSL_NONE);
2271         break;
2272
2273     case 1: /* CURLFTPSSL_TRY */
2274         result = curl_easy_setopt(conn->connection,
2275                                   CURLOPT_FTP_SSL,
2276                                   CURLFTPSSL_TRY);
2277         break;
2278
2279     case 2: /* CURLFTPSSL_CONTROL */
2280         result = curl_easy_setopt(conn->connection,
2281                                   CURLOPT_FTP_SSL,
2282                                   CURLFTPSSL_CONTROL);
2283         break;
2284
2285     case 3: /* CURLFTPSSL_ALL */
2286         result = curl_easy_setopt(conn->connection,
2287                                   CURLOPT_FTP_SSL,
2288                                   CURLFTPSSL_ALL);
2289         break;
2290
2291     default:
2292         caml_failwith("Invalid FTP_SSL Value");
2293         break;
2294     }
2295
2296     if (result != CURLE_OK)
2297         raiseError(conn, result);
2298
2299     CAMLreturn0;
2300 }
2301 #endif
2302
2303 #if HAVE_DECL_CURLOPT_POSTFIELDSIZE_LARGE
2304 SETOPT_INT64( POSTFIELDSIZE_LARGE)
2305 #endif
2306
2307 #if HAVE_DECL_CURLOPT_TCP_NODELAY
2308 /* not using SETOPT_BOOL here because of TCP_NODELAY defined in winsock.h */
2309 SETOPT_VAL_( handle_TCP_NODELAY, CURLOPT_TCP_NODELAY, Bool_val)
2310 #endif
2311
2312 #if HAVE_DECL_CURLOPT_FTPSSLAUTH
2313 static void handle_FTPSSLAUTH(Connection *conn, value option)
2314 {
2315     CAMLparam1(option);
2316     CURLcode result = CURLE_OK;
2317
2318     switch (Long_val(option))
2319     {
2320     case 0: /* CURLFTPAUTH_DEFAULT */
2321         result = curl_easy_setopt(conn->connection,
2322                                   CURLOPT_FTPSSLAUTH,
2323                                   CURLFTPAUTH_DEFAULT);
2324         break;
2325
2326     case 1: /* CURLFTPAUTH_SSL */
2327         result = curl_easy_setopt(conn->connection,
2328                                   CURLOPT_FTPSSLAUTH,
2329                                   CURLFTPAUTH_SSL);
2330         break;
2331
2332     case 2: /* CURLFTPAUTH_TLS */
2333         result = curl_easy_setopt(conn->connection,
2334                                   CURLOPT_FTPSSLAUTH,
2335                                   CURLFTPAUTH_TLS);
2336         break;
2337
2338     default:
2339         caml_failwith("Invalid FTPSSLAUTH value");
2340         break;
2341     }
2342
2343     if (result != CURLE_OK)
2344         raiseError(conn, result);
2345
2346     CAMLreturn0;
2347 }
2348 #endif
2349
2350 #if HAVE_DECL_CURLOPT_FTP_ACCOUNT
2351 SETOPT_STRING( FTP_ACCOUNT)
2352 #endif
2353
2354 #if HAVE_DECL_CURLOPT_COOKIELIST
2355 SETOPT_STRING( COOKIELIST)
2356 #endif
2357
2358 #if HAVE_DECL_CURLOPT_IGNORE_CONTENT_LENGTH
2359 SETOPT_BOOL( IGNORE_CONTENT_LENGTH)
2360 #endif
2361
2362 #if HAVE_DECL_CURLOPT_FTP_SKIP_PASV_IP
2363 SETOPT_BOOL( FTP_SKIP_PASV_IP)
2364 #endif
2365
2366 #if HAVE_DECL_CURLOPT_FTP_FILEMETHOD
2367 static void handle_FTP_FILEMETHOD(Connection *conn, value option)
2368 {
2369     CAMLparam1(option);
2370     CURLcode result = CURLE_OK;
2371
2372     switch (Long_val(option))
2373     {
2374     case 0: /* CURLFTPMETHOD_DEFAULT */
2375         result = curl_easy_setopt(conn->connection,
2376                                   CURLOPT_FTP_FILEMETHOD,
2377                                   CURLFTPMETHOD_DEFAULT);
2378         break;
2379
2380     case 1: /* CURLFTMETHOD_MULTICWD */
2381         result = curl_easy_setopt(conn->connection,
2382                                   CURLOPT_FTP_FILEMETHOD,
2383                                   CURLFTPMETHOD_MULTICWD);
2384         break;
2385
2386     case 2: /* CURLFTPMETHOD_NOCWD */
2387         result = curl_easy_setopt(conn->connection,
2388                                   CURLOPT_FTP_FILEMETHOD,
2389                                   CURLFTPMETHOD_NOCWD);
2390         break;
2391
2392     case 3: /* CURLFTPMETHOD_SINGLECWD */
2393         result = curl_easy_setopt(conn->connection,
2394                                   CURLOPT_FTP_FILEMETHOD,
2395                                   CURLFTPMETHOD_SINGLECWD);
2396
2397     default:
2398         caml_failwith("Invalid FTP_FILEMETHOD value");
2399         break;
2400     }
2401
2402     if (result != CURLE_OK)
2403         raiseError(conn, result);
2404
2405     CAMLreturn0;
2406 }
2407 #endif
2408
2409 #if HAVE_DECL_CURLOPT_LOCALPORT
2410 SETOPT_LONG( LOCALPORT)
2411 #endif
2412
2413 #if HAVE_DECL_CURLOPT_LOCALPORTRANGE
2414 SETOPT_LONG( LOCALPORTRANGE)
2415 #endif
2416
2417 #if HAVE_DECL_CURLOPT_CONNECT_ONLY
2418 SETOPT_BOOL( CONNECT_ONLY)
2419 #endif
2420
2421 #if HAVE_DECL_CURLOPT_MAX_SEND_SPEED_LARGE
2422 SETOPT_INT64( MAX_SEND_SPEED_LARGE)
2423 #endif
2424
2425 #if HAVE_DECL_CURLOPT_MAX_RECV_SPEED_LARGE
2426 SETOPT_INT64( MAX_RECV_SPEED_LARGE)
2427 #endif
2428
2429 #if HAVE_DECL_CURLOPT_FTP_ALTERNATIVE_TO_USER
2430 SETOPT_STRING( FTP_ALTERNATIVE_TO_USER)
2431 #endif
2432
2433 #if HAVE_DECL_CURLOPT_SSL_SESSIONID_CACHE
2434 SETOPT_BOOL( SSL_SESSIONID_CACHE)
2435 #endif
2436
2437 #if HAVE_DECL_CURLOPT_SSH_AUTH_TYPES
2438 static void handle_SSH_AUTH_TYPES(Connection *conn, value option)
2439 {
2440     CAMLparam1(option);
2441     CAMLlocal1(listIter);
2442     CURLcode result = CURLE_OK;
2443     long authTypes = CURLSSH_AUTH_NONE;
2444
2445     listIter = option;
2446
2447     while (!Is_long(listIter))
2448     {
2449         switch (Long_val(Field(listIter, 0)))
2450         {
2451         case 0: /* CURLSSH_AUTH_ANY */
2452             authTypes |= CURLSSH_AUTH_ANY;
2453             break;
2454
2455         case 1: /* CURLSSH_AUTH_PUBLICKEY */
2456             authTypes |= CURLSSH_AUTH_PUBLICKEY;
2457             break;
2458
2459         case 2: /* CURLSSH_AUTH_PASSWORD */
2460             authTypes |= CURLSSH_AUTH_PASSWORD;
2461             break;
2462
2463         case 3: /* CURLSSH_AUTH_HOST */
2464             authTypes |= CURLSSH_AUTH_HOST;
2465             break;
2466
2467         case 4: /* CURLSSH_AUTH_KEYBOARD */
2468             authTypes |= CURLSSH_AUTH_KEYBOARD;
2469             break;
2470
2471         default:
2472             caml_failwith("Invalid CURLSSH_AUTH_TYPES Value");
2473             break;
2474         }
2475
2476         listIter = Field(listIter, 1);
2477     }
2478
2479     result = curl_easy_setopt(conn->connection,
2480                               CURLOPT_SSH_AUTH_TYPES,
2481                               authTypes);
2482
2483     if (result != CURLE_OK)
2484         raiseError(conn, result);
2485
2486     CAMLreturn0;
2487 }
2488 #endif
2489
2490 #if HAVE_DECL_CURLOPT_SSH_PUBLIC_KEYFILE
2491 SETOPT_STRING( SSH_PUBLIC_KEYFILE)
2492 #endif
2493
2494 #if HAVE_DECL_CURLOPT_SSH_PRIVATE_KEYFILE
2495 SETOPT_STRING( SSH_PRIVATE_KEYFILE)
2496 #endif
2497
2498 #if HAVE_DECL_CURLOPT_FTP_SSL_CCC
2499 static void handle_FTP_SSL_CCC(Connection *conn, value option)
2500 {
2501     CAMLparam1(option);
2502     CURLcode result = CURLE_OK;
2503
2504     switch (Long_val(option))
2505     {
2506     case 0: /* CURLFTPSSL_CCC_NONE */
2507         result = curl_easy_setopt(conn->connection,
2508                                   CURLOPT_FTP_SSL_CCC,
2509                                   CURLFTPSSL_CCC_NONE);
2510         break;
2511
2512     case 1: /* CURLFTPSSL_CCC_PASSIVE */
2513         result = curl_easy_setopt(conn->connection,
2514                                   CURLOPT_FTP_SSL_CCC,
2515                                   CURLFTPSSL_CCC_PASSIVE);
2516         break;
2517
2518     case 2: /* CURLFTPSSL_CCC_ACTIVE */
2519         result = curl_easy_setopt(conn->connection,
2520                                   CURLOPT_FTP_SSL_CCC,
2521                                   CURLFTPSSL_CCC_ACTIVE);
2522         break;
2523
2524     default:
2525         caml_failwith("Invalid FTPSSL_CCC value");
2526         break;
2527     }
2528
2529     if (result != CURLE_OK)
2530         raiseError(conn, result);
2531
2532     CAMLreturn0;
2533 }
2534 #endif
2535
2536 #if HAVE_DECL_CURLOPT_TIMEOUT_MS
2537 SETOPT_LONG( TIMEOUT_MS)
2538 #endif
2539
2540 #if HAVE_DECL_CURLOPT_CONNECTTIMEOUT_MS
2541 SETOPT_LONG( CONNECTTIMEOUT_MS)
2542 #endif
2543
2544 #if HAVE_DECL_CURLOPT_HTTP_TRANSFER_DECODING
2545 SETOPT_BOOL( HTTP_TRANSFER_DECODING)
2546 #endif
2547
2548 #if HAVE_DECL_CURLOPT_HTTP_CONTENT_DECODING
2549 SETOPT_BOOL( HTTP_CONTENT_DECODING)
2550 #endif
2551
2552 #if HAVE_DECL_CURLOPT_NEW_FILE_PERMS
2553 SETOPT_LONG( NEW_FILE_PERMS)
2554 #endif
2555
2556 #if HAVE_DECL_CURLOPT_NEW_DIRECTORY_PERMS
2557 SETOPT_LONG( NEW_DIRECTORY_PERMS)
2558 #endif
2559
2560 #if HAVE_DECL_CURLOPT_POST301
2561 SETOPT_BOOL( POST301)
2562 #endif
2563
2564 #if HAVE_DECL_CURLOPT_SSH_HOST_PUBLIC_KEY_MD5
2565 SETOPT_STRING( SSH_HOST_PUBLIC_KEY_MD5)
2566 #endif
2567
2568 #if HAVE_DECL_CURLOPT_COPYPOSTFIELDS
2569 SETOPT_STRING( COPYPOSTFIELDS)
2570 #endif
2571
2572 #if HAVE_DECL_CURLOPT_PROXY_TRANSFER_MODE
2573 SETOPT_BOOL( PROXY_TRANSFER_MODE)
2574 #endif
2575
2576 #if HAVE_DECL_CURLOPT_AUTOREFERER
2577 SETOPT_BOOL( AUTOREFERER)
2578 #endif
2579
2580 #if HAVE_DECL_CURLOPT_PROXYTYPE
2581 static void handle_PROXYTYPE(Connection *conn, value option)
2582 {
2583     CAMLparam1(option);
2584     CURLcode result = CURLE_OK;
2585     long proxy_type;
2586
2587     switch (Long_val(option))
2588     {
2589       case 0: proxy_type = CURLPROXY_HTTP; break;
2590       case 1: proxy_type = CURLPROXY_HTTP_1_0; break;
2591       case 2: proxy_type = CURLPROXY_SOCKS4; break;
2592       case 3: proxy_type = CURLPROXY_SOCKS5; break;
2593       case 4: proxy_type = CURLPROXY_SOCKS4A; break;
2594       case 5: proxy_type = CURLPROXY_SOCKS5_HOSTNAME; break;
2595       default:
2596         caml_failwith("Invalid curl proxy type");
2597     }
2598
2599     result = curl_easy_setopt(conn->connection,
2600                               CURLOPT_PROXYTYPE,
2601                               proxy_type);
2602
2603     if (result != CURLE_OK)
2604         raiseError(conn, result);
2605
2606     CAMLreturn0;
2607 }
2608 #endif
2609
2610 #if HAVE_DECL_CURLOPT_PROTOCOLS || HAVE_DECL_CURLOPT_REDIR_PROTOCOLS
2611
2612 long protoMap[] =
2613 {
2614   CURLPROTO_ALL,
2615   CURLPROTO_HTTP, CURLPROTO_HTTPS, CURLPROTO_FTP, CURLPROTO_FTPS, CURLPROTO_SCP, CURLPROTO_SFTP,
2616   CURLPROTO_TELNET, CURLPROTO_LDAP, CURLPROTO_LDAPS, CURLPROTO_DICT, CURLPROTO_FILE, CURLPROTO_TFTP,
2617 /* factor out with autoconf? */
2618 #if defined(CURLPROTO_IMAP)
2619   CURLPROTO_IMAP,
2620 #else
2621   0,
2622 #endif
2623 #if defined(CURLPROTO_IMAPS)
2624   CURLPROTO_IMAPS,
2625 #else
2626   0,
2627 #endif
2628 #if defined(CURLPROTO_POP3)
2629   CURLPROTO_POP3,
2630 #else
2631   0,
2632 #endif
2633 #if defined(CURLPROTO_POP3S)
2634   CURLPROTO_POP3S,
2635 #else
2636   0,
2637 #endif
2638 #if defined(CURLPROTO_SMTP)
2639   CURLPROTO_SMTP,
2640 #else
2641   0,
2642 #endif
2643 #if defined(CURLPROTO_SMTPS)
2644   CURLPROTO_SMTPS,
2645 #else
2646   0,
2647 #endif
2648 #if defined(CURLPROTO_RTSP)
2649   CURLPROTO_RTSP,
2650 #else
2651   0,
2652 #endif
2653 #if defined(CURLPROTO_RTMP)
2654   CURLPROTO_RTMP,
2655 #else
2656   0,
2657 #endif
2658 #if defined(CURLPROTO_RTMPT)
2659   CURLPROTO_RTMPT,
2660 #else
2661   0,
2662 #endif
2663 #if defined(CURLPROTO_RTMPE)
2664   CURLPROTO_RTMPE,
2665 #else
2666   0,
2667 #endif
2668 #if defined(CURLPROTO_RTMPTE)
2669   CURLPROTO_RTMPTE,
2670 #else
2671   0,
2672 #endif
2673 #if defined(CURLPROTO_RTMPS)
2674   CURLPROTO_RTMPS,
2675 #else
2676   0,
2677 #endif
2678 #if defined(CURLPROTO_RTMPTS)
2679   CURLPROTO_RTMPTS,
2680 #else
2681   0,
2682 #endif
2683 #if defined(CURLPROTO_GOPHER)
2684   CURLPROTO_GOPHER,
2685 #else
2686   0,
2687 #endif
2688 };
2689
2690 static void handle_PROTOCOLSOPTION(CURLoption curlopt, Connection *conn, value option)
2691 {
2692     CAMLparam1(option);
2693     CURLcode result = CURLE_OK;
2694     long bits = convert_bit_list(protoMap, sizeof(protoMap) / sizeof(protoMap[0]), option);
2695
2696     result = curl_easy_setopt(conn->connection, curlopt, bits);
2697
2698     if (result != CURLE_OK)
2699         raiseError(conn, result);
2700
2701     CAMLreturn0;
2702 }
2703 #endif
2704
2705 #if HAVE_DECL_CURLOPT_PROTOCOLS
2706 static void handle_PROTOCOLS(Connection *conn, value option)
2707 {
2708   handle_PROTOCOLSOPTION(CURLOPT_PROTOCOLS, conn, option);
2709 }
2710 #endif
2711
2712 #if HAVE_DECL_CURLOPT_REDIR_PROTOCOLS
2713 static void handle_REDIR_PROTOCOLS(Connection *conn, value option)
2714 {
2715   handle_PROTOCOLSOPTION(CURLOPT_REDIR_PROTOCOLS, conn, option);
2716 }
2717 #endif
2718
2719 #if HAVE_DECL_CURLOPT_RESOLVE
2720 SETOPT_SLIST( RESOLVE)
2721 #endif
2722
2723 #if HAVE_DECL_CURLOPT_DNS_SERVERS
2724 SETOPT_STRING( DNS_SERVERS)
2725 #endif
2726
2727 #if HAVE_DECL_CURLOPT_MAIL_FROM
2728 SETOPT_STRING( MAIL_FROM)
2729 #endif
2730
2731 #if HAVE_DECL_CURLOPT_MAIL_RCPT
2732 SETOPT_SLIST( MAIL_RCPT)
2733 #endif
2734
2735 #if HAVE_DECL_CURLOPT_PIPEWAIT
2736 SETOPT_BOOL( PIPEWAIT)
2737 #endif
2738
2739 /**
2740  **  curl_easy_setopt helper function
2741  **/
2742
2743 #define MAP(name) { handle_ ## name, "CURLOPT_"#name, Ocaml_##name }
2744 #define MAP_NO(name) { NULL, "CURLOPT_"#name , Ocaml_##name }
2745 #define IMM(name) { handle_ ## name, "CURLOPT_"#name, -1 }
2746 #define IMM_NO(name) { NULL, "CURLOPT_"#name , -1 }
2747
2748 CURLOptionMapping implementedOptionMap[] =
2749 {
2750   MAP(WRITEFUNCTION),
2751   MAP(READFUNCTION),
2752   IMM(INFILESIZE),
2753   MAP(URL),
2754   MAP(PROXY),
2755   IMM(PROXYPORT),
2756   IMM(HTTPPROXYTUNNEL),
2757   IMM(VERBOSE),
2758   IMM(HEADER),
2759   IMM(NOPROGRESS),
2760 #if HAVE_DECL_CURLOPT_NOSIGNAL
2761   IMM(NOSIGNAL),
2762 #else
2763   IMM_NO(NOSIGNAL),
2764 #endif
2765   IMM(NOBODY),
2766   IMM(FAILONERROR),
2767   IMM(UPLOAD),
2768   IMM(POST),
2769   IMM(FTPLISTONLY),
2770   IMM(FTPAPPEND),
2771   IMM(NETRC),
2772 #if HAVE_DECL_CURLOPT_ENCODING
2773   IMM(ENCODING),
2774 #else
2775   IMM_NO(ENCODING),
2776 #endif
2777   IMM(FOLLOWLOCATION),
2778   IMM(TRANSFERTEXT),
2779   IMM(PUT),
2780   MAP(USERPWD),
2781   MAP(PROXYUSERPWD),
2782   MAP(RANGE),
2783   IMM(ERRORBUFFER), /* mutable buffer, as output value, do not duplicate */
2784   IMM(TIMEOUT),
2785   MAP(POSTFIELDS),
2786   IMM(POSTFIELDSIZE),
2787   MAP(REFERER),
2788   MAP(USERAGENT),
2789   MAP(FTPPORT),
2790   IMM(LOW_SPEED_LIMIT),
2791   IMM(LOW_SPEED_TIME),
2792   IMM(RESUME_FROM),
2793   MAP(COOKIE),
2794   MAP(HTTPHEADER),
2795   MAP(HTTPPOST),
2796   MAP(SSLCERT),
2797   MAP(SSLCERTTYPE),
2798   MAP(SSLCERTPASSWD),
2799   MAP(SSLKEY),
2800   MAP(SSLKEYTYPE),
2801   MAP(SSLKEYPASSWD),
2802   MAP(SSLENGINE),
2803   IMM(SSLENGINE_DEFAULT),
2804   IMM(CRLF),
2805   MAP(QUOTE),
2806   MAP(POSTQUOTE),
2807   MAP(HEADERFUNCTION),
2808   MAP(COOKIEFILE),
2809   IMM(SSLVERSION),
2810   IMM(TIMECONDITION),
2811   IMM(TIMEVALUE),
2812   MAP(CUSTOMREQUEST),
2813   MAP(INTERFACE),
2814   IMM(KRB4LEVEL),
2815   MAP(PROGRESSFUNCTION),
2816   IMM(SSL_VERIFYPEER),
2817   MAP(CAINFO),
2818   MAP(CAPATH),
2819   IMM(FILETIME),
2820   IMM(MAXREDIRS),
2821   IMM(MAXCONNECTS),
2822   IMM(CLOSEPOLICY),
2823   IMM(FRESH_CONNECT),
2824   IMM(FORBID_REUSE),
2825   MAP(RANDOM_FILE),
2826   MAP(EGDSOCKET),
2827   IMM(CONNECTTIMEOUT),
2828   IMM(HTTPGET),
2829   IMM(SSL_VERIFYHOST),
2830   MAP(COOKIEJAR),
2831   MAP(SSL_CIPHER_LIST),
2832   IMM(HTTP_VERSION),
2833   IMM(FTP_USE_EPSV),
2834   IMM(DNS_CACHE_TIMEOUT),
2835   IMM(DNS_USE_GLOBAL_CACHE),
2836   MAP(DEBUGFUNCTION),
2837 #if HAVE_DECL_CURLOPT_PRIVATE
2838   MAP(PRIVATE),
2839 #else
2840   MAP_NO(PRIVATE),
2841 #endif
2842 #if HAVE_DECL_CURLOPT_HTTP200ALIASES
2843   MAP(HTTP200ALIASES),
2844 #else
2845   MAP_NO(HTTP200ALIASES),
2846 #endif
2847 #if HAVE_DECL_CURLOPT_UNRESTRICTED_AUTH
2848   IMM(UNRESTRICTED_AUTH),
2849 #else
2850   IMM_NO(UNRESTRICTED_AUTH),
2851 #endif
2852 #if HAVE_DECL_CURLOPT_FTP_USE_EPRT
2853   IMM(FTP_USE_EPRT),
2854 #else
2855   IMM_NO(FTP_USE_EPRT),
2856 #endif
2857 #if HAVE_DECL_CURLOPT_HTTPAUTH
2858   IMM(HTTPAUTH),
2859 #else
2860   IMM_NO(HTTPAUTH),
2861 #endif
2862 #if HAVE_DECL_CURLOPT_FTP_CREATE_MISSING_DIRS
2863   IMM(FTP_CREATE_MISSING_DIRS),
2864 #else
2865   IMM_NO(FTP_CREATE_MISSING_DIRS),
2866 #endif
2867 #if HAVE_DECL_CURLOPT_PROXYAUTH
2868   IMM(PROXYAUTH),
2869 #else
2870   IMM_NO(PROXYAUTH),
2871 #endif
2872 #if HAVE_DECL_CURLOPT_FTP_RESPONSE_TIMEOUT
2873   IMM(FTP_RESPONSE_TIMEOUT),
2874 #else
2875   IMM_NO(FTP_RESPONSE_TIMEOUT),
2876 #endif
2877 #if HAVE_DECL_CURLOPT_IPRESOLVE
2878   IMM(IPRESOLVE),
2879 #else
2880   IMM_NO(IPRESOLVE),
2881 #endif
2882 #if HAVE_DECL_CURLOPT_MAXFILESIZE
2883   IMM(MAXFILESIZE),
2884 #else
2885   IMM_NO(MAXFILESIZE),
2886 #endif
2887 #if HAVE_DECL_CURLOPT_INFILESIZE_LARGE
2888   IMM(INFILESIZE_LARGE),
2889 #else
2890   IMM_NO(INFILESIZE_LARGE),
2891 #endif
2892 #if HAVE_DECL_CURLOPT_RESUME_FROM_LARGE
2893   IMM(RESUME_FROM_LARGE),
2894 #else
2895   IMM_NO(RESUME_FROM_LARGE),
2896 #endif
2897 #if HAVE_DECL_CURLOPT_MAXFILESIZE_LARGE
2898   IMM(MAXFILESIZE_LARGE),
2899 #else
2900   IMM_NO(MAXFILESIZE_LARGE),
2901 #endif
2902 #if HAVE_DECL_CURLOPT_NETRC_FILE
2903   MAP(NETRC_FILE),
2904 #else
2905   MAP_NO(NETRC_FILE),
2906 #endif
2907 #if HAVE_DECL_CURLOPT_FTP_SSL
2908   IMM(FTP_SSL),
2909 #else
2910   IMM_NO(FTP_SSL),
2911 #endif
2912 #if HAVE_DECL_CURLOPT_POSTFIELDSIZE_LARGE
2913   IMM(POSTFIELDSIZE_LARGE),
2914 #else
2915   IMM_NO(POSTFIELDSIZE_LARGE),
2916 #endif
2917 #if HAVE_DECL_CURLOPT_TCP_NODELAY
2918   IMM(TCP_NODELAY),
2919 #else
2920   IMM_NO(TCP_NODELAY),
2921 #endif
2922 #if HAVE_DECL_CURLOPT_FTPSSLAUTH
2923   IMM(FTPSSLAUTH),
2924 #else
2925   IMM_NO(FTPSSLAUTH),
2926 #endif
2927 #if HAVE_DECL_CURLOPT_IOCTLFUNCTION
2928   MAP(IOCTLFUNCTION),
2929 #else
2930   MAP_NO(IOCTLFUNCTION),
2931 #endif
2932 #if HAVE_DECL_CURLOPT_FTP_ACCOUNT
2933   MAP(FTP_ACCOUNT),
2934 #else
2935   MAP_NO(FTP_ACCOUNT),
2936 #endif
2937 #if HAVE_DECL_CURLOPT_COOKIELIST
2938   MAP(COOKIELIST),
2939 #else
2940   MAP_NO(COOKIELIST),
2941 #endif
2942 #if HAVE_DECL_CURLOPT_IGNORE_CONTENT_LENGTH
2943   IMM(IGNORE_CONTENT_LENGTH),
2944 #else
2945   IMM_NO(IGNORE_CONTENT_LENGTH),
2946 #endif
2947 #if HAVE_DECL_CURLOPT_FTP_SKIP_PASV_IP
2948   IMM(FTP_SKIP_PASV_IP),
2949 #else
2950   IMM_NO(FTP_SKIP_PASV_IP),
2951 #endif
2952 #if HAVE_DECL_CURLOPT_FTP_FILEMETHOD
2953   IMM(FTP_FILEMETHOD),
2954 #else
2955   IMM_NO(FTP_FILEMETHOD),
2956 #endif
2957 #if HAVE_DECL_CURLOPT_LOCALPORT
2958   IMM(LOCALPORT),
2959 #else
2960   IMM_NO(LOCALPORT),
2961 #endif
2962 #if HAVE_DECL_CURLOPT_LOCALPORTRANGE
2963   IMM(LOCALPORTRANGE),
2964 #else
2965   IMM_NO(LOCALPORTRANGE),
2966 #endif
2967 #if HAVE_DECL_CURLOPT_CONNECT_ONLY
2968   IMM(CONNECT_ONLY),
2969 #else
2970   IMM_NO(CONNECT_ONLY),
2971 #endif
2972 #if HAVE_DECL_CURLOPT_MAX_SEND_SPEED_LARGE
2973   IMM(MAX_SEND_SPEED_LARGE),
2974 #else
2975   IMM_NO(MAX_SEND_SPEED_LARGE),
2976 #endif
2977 #if HAVE_DECL_CURLOPT_MAX_RECV_SPEED_LARGE
2978   IMM(MAX_RECV_SPEED_LARGE),
2979 #else
2980   IMM_NO(MAX_RECV_SPEED_LARGE),
2981 #endif
2982 #if HAVE_DECL_CURLOPT_FTP_ALTERNATIVE_TO_USER
2983   MAP(FTP_ALTERNATIVE_TO_USER),
2984 #else
2985   MAP_NO(FTP_ALTERNATIVE_TO_USER),
2986 #endif
2987 #if HAVE_DECL_CURLOPT_SSL_SESSIONID_CACHE
2988   IMM(SSL_SESSIONID_CACHE),
2989 #else
2990   IMM_NO(SSL_SESSIONID_CACHE),
2991 #endif
2992 #if HAVE_DECL_CURLOPT_SSH_AUTH_TYPES
2993   IMM(SSH_AUTH_TYPES),
2994 #else
2995   IMM_NO(SSH_AUTH_TYPES),
2996 #endif
2997 #if HAVE_DECL_CURLOPT_SSH_PUBLIC_KEYFILE
2998   MAP(SSH_PUBLIC_KEYFILE),
2999 #else
3000   MAP_NO(SSH_PUBLIC_KEYFILE),
3001 #endif
3002 #if HAVE_DECL_CURLOPT_SSH_PRIVATE_KEYFILE
3003   MAP(SSH_PRIVATE_KEYFILE),
3004 #else
3005   MAP_NO(SSH_PRIVATE_KEYFILE),
3006 #endif
3007 #if HAVE_DECL_CURLOPT_FTP_SSL_CCC
3008   IMM(FTP_SSL_CCC),
3009 #else
3010   IMM_NO(FTP_SSL_CCC),
3011 #endif
3012 #if HAVE_DECL_CURLOPT_TIMEOUT_MS
3013   IMM(TIMEOUT_MS),
3014 #else
3015   IMM_NO(TIMEOUT_MS),
3016 #endif
3017 #if HAVE_DECL_CURLOPT_CONNECTTIMEOUT_MS
3018   IMM(CONNECTTIMEOUT_MS),
3019 #else
3020   IMM_NO(CONNECTTIMEOUT_MS),
3021 #endif
3022 #if HAVE_DECL_CURLOPT_HTTP_TRANSFER_DECODING
3023   IMM(HTTP_TRANSFER_DECODING),
3024 #else
3025   IMM_NO(HTTP_TRANSFER_DECODING),
3026 #endif
3027 #if HAVE_DECL_CURLOPT_HTTP_CONTENT_DECODING
3028   IMM(HTTP_CONTENT_DECODING),
3029 #else
3030   IMM_NO(HTTP_CONTENT_DECODING),
3031 #endif
3032 #if HAVE_DECL_CURLOPT_NEW_FILE_PERMS
3033   IMM(NEW_FILE_PERMS),
3034 #else
3035   IMM_NO(NEW_FILE_PERMS),
3036 #endif
3037 #if HAVE_DECL_CURLOPT_NEW_DIRECTORY_PERMS
3038   IMM(NEW_DIRECTORY_PERMS),
3039 #else
3040   IMM_NO(NEW_DIRECTORY_PERMS),
3041 #endif
3042 #if HAVE_DECL_CURLOPT_POST301
3043   IMM(POST301),
3044 #else
3045   IMM_NO(POST301),
3046 #endif
3047 #if HAVE_DECL_CURLOPT_SSH_HOST_PUBLIC_KEY_MD5
3048   MAP(SSH_HOST_PUBLIC_KEY_MD5),
3049 #else
3050   MAP_NO(SSH_HOST_PUBLIC_KEY_MD5),
3051 #endif
3052 #if HAVE_DECL_CURLOPT_COPYPOSTFIELDS
3053   MAP(COPYPOSTFIELDS),
3054 #else
3055   MAP_NO(COPYPOSTFIELDS),
3056 #endif
3057 #if HAVE_DECL_CURLOPT_PROXY_TRANSFER_MODE
3058   IMM(PROXY_TRANSFER_MODE),
3059 #else
3060   IMM_NO(PROXY_TRANSFER_MODE),
3061 #endif
3062 #if HAVE_DECL_CURLOPT_SEEKFUNCTION
3063   MAP(SEEKFUNCTION),
3064 #else
3065   MAP_NO(SEEKFUNCTION),
3066 #endif
3067 #if HAVE_DECL_CURLOPT_AUTOREFERER
3068   IMM(AUTOREFERER),
3069 #else
3070   IMM_NO(AUTOREFERER),
3071 #endif
3072 #if HAVE_DECL_CURLOPT_OPENSOCKETFUNCTION
3073   MAP(OPENSOCKETFUNCTION),
3074 #else
3075   MAP_NO(OPENSOCKETFUNCTION),
3076 #endif
3077 #if HAVE_DECL_CURLOPT_PROXYTYPE
3078   IMM(PROXYTYPE),
3079 #else
3080   IMM_NO(PROXYTYPE),
3081 #endif
3082 #if HAVE_DECL_CURLOPT_PROTOCOLS
3083   IMM(PROTOCOLS),
3084 #else
3085   IMM_NO(PROTOCOLS),
3086 #endif
3087 #if HAVE_DECL_CURLOPT_REDIR_PROTOCOLS
3088   IMM(REDIR_PROTOCOLS),
3089 #else
3090   IMM_NO(REDIR_PROTOCOLS),
3091 #endif
3092 #if HAVE_DECL_CURLOPT_RESOLVE
3093   MAP(RESOLVE),
3094 #else
3095   MAP_NO(RESOLVE),
3096 #endif
3097 #if HAVE_DECL_CURLOPT_DNS_SERVERS
3098   MAP(DNS_SERVERS),
3099 #else
3100   MAP_NO(DNS_SERVERS),
3101 #endif
3102 #if HAVE_DECL_CURLOPT_MAIL_FROM
3103   MAP(MAIL_FROM),
3104 #else
3105   MAP_NO(MAIL_FROM),
3106 #endif
3107 #if HAVE_DECL_CURLOPT_MAIL_RCPT
3108   MAP(MAIL_RCPT),
3109 #else
3110   MAP_NO(MAIL_RCPT),
3111 #endif
3112 #if HAVE_DECL_CURLOPT_PIPEWAIT
3113   IMM(PIPEWAIT),
3114 #else
3115   IMM_NO(PIPEWAIT),
3116 #endif
3117 #if HAVE_DECL_CURLOPT_CERTINFO
3118   IMM(CERTINFO),
3119 #else
3120   IMM_NO(CERTINFO),
3121 #endif
3122 };
3123
3124 static Connection *duplicateConnection(Connection *original)
3125 {
3126     Connection *connection = NULL;
3127     CURL* h = NULL;
3128     size_t i = 0;
3129     CURLOptionMapping* this = NULL;
3130
3131     caml_enter_blocking_section();
3132     h  = curl_easy_duphandle(original->connection);
3133     caml_leave_blocking_section();
3134
3135     connection = allocConnection(h);
3136
3137     for (i = 0; i < sizeof(implementedOptionMap)/sizeof(CURLOptionMapping); i++)
3138     {
3139       this = &implementedOptionMap[i];
3140       if (-1 == this->ocamlValue) continue;
3141       if (this->optionHandler && (Field(original->ocamlValues, this->ocamlValue) != Val_unit))
3142       {
3143         this->optionHandler(connection, Field(original->ocamlValues, this->ocamlValue));
3144       }
3145     }
3146
3147     return connection;
3148 }
3149
3150 CAMLprim value helper_curl_easy_setopt(value conn, value option)
3151 {
3152     CAMLparam2(conn, option);
3153     CAMLlocal1(data);
3154     Connection *connection = Connection_val(conn);
3155     CURLOptionMapping* thisOption = NULL;
3156     static value* exception = NULL;
3157
3158     checkConnection(connection);
3159
3160     data = Field(option, 0);
3161
3162     if (Tag_val(option) < sizeof(implementedOptionMap)/sizeof(CURLOptionMapping))
3163     {
3164       thisOption = &implementedOptionMap[Tag_val(option)];
3165       if (thisOption->optionHandler)
3166       {
3167         thisOption->optionHandler(connection, data);
3168       }
3169       else
3170       {
3171         if (NULL == exception)
3172         {
3173           exception = caml_named_value("Curl.NotImplemented");
3174           if (NULL == exception) caml_invalid_argument("Curl.NotImplemented");
3175         }
3176
3177         caml_raise_with_string(*exception, thisOption->name);
3178       }
3179     }
3180     else
3181     {
3182       caml_failwith("Invalid CURLOPT Option");
3183     }
3184
3185     CAMLreturn(Val_unit);
3186 }
3187
3188 /**
3189  **  curl_easy_perform helper function
3190  **/
3191
3192 CAMLprim value helper_curl_easy_perform(value conn)
3193 {
3194     CAMLparam1(conn);
3195     CURLcode result = CURLE_OK;
3196     Connection *connection = Connection_val(conn);
3197
3198     checkConnection(connection);
3199
3200     caml_enter_blocking_section();
3201     result = curl_easy_perform(connection->connection);
3202     caml_leave_blocking_section();
3203
3204     if (result != CURLE_OK)
3205         raiseError(connection, result);
3206
3207     CAMLreturn(Val_unit);
3208 }
3209
3210 /**
3211  **  curl_easy_cleanup helper function
3212  **/
3213
3214 CAMLprim value helper_curl_easy_cleanup(value conn)
3215 {
3216     CAMLparam1(conn);
3217     Connection *connection = Connection_val(conn);
3218
3219     checkConnection(connection);
3220
3221     removeConnection(connection, 0);
3222
3223     CAMLreturn(Val_unit);
3224 }
3225
3226 /**
3227  **  curl_easy_duphandle helper function
3228  **/
3229
3230 CAMLprim value helper_curl_easy_duphandle(value conn)
3231 {
3232     CAMLparam1(conn);
3233     CAMLlocal1(result);
3234     Connection *connection = Connection_val(conn);
3235
3236     checkConnection(connection);
3237
3238     result = caml_curl_alloc(duplicateConnection(connection));
3239
3240     CAMLreturn(result);
3241 }
3242
3243 /**
3244  **  curl_easy_getinfo helper function
3245  **/
3246
3247 enum GetInfoResultType {
3248     StringValue, LongValue, DoubleValue, StringListValue, StringListListValue,
3249 };
3250
3251 value convertStringList(struct curl_slist *p)
3252 {
3253     CAMLparam0();
3254     CAMLlocal3(result, current, next);
3255
3256     result = Val_emptylist;
3257     current = Val_emptylist;
3258     next = Val_emptylist;
3259
3260     while (p != NULL)
3261     {
3262         next = caml_alloc_tuple(2);
3263         Store_field(next, 0, caml_copy_string(p->data));
3264         Store_field(next, 1, Val_emptylist);
3265
3266         if (result == Val_emptylist)
3267             result = next;
3268
3269         if (current != Val_emptylist)
3270           Store_field(current, 1, next);
3271
3272         current = next;
3273
3274         p = p->next;
3275     }
3276
3277     CAMLreturn(result);
3278 }
3279
3280 CAMLprim value helper_curl_easy_getinfo(value conn, value option)
3281 {
3282     CAMLparam2(conn, option);
3283     CAMLlocal3(result, current, next);
3284     CURLcode curlResult;
3285     Connection *connection = Connection_val(conn);
3286     enum GetInfoResultType resultType;
3287     char *strValue = NULL;
3288     double doubleValue;
3289     long longValue;
3290     struct curl_slist *stringListValue = NULL;
3291 #if HAVE_DECL_CURLINFO_CERTINFO
3292     int i;
3293     union {
3294       struct curl_slist    *to_info;
3295       struct curl_certinfo *to_certinfo;
3296     } ptr;
3297 #endif
3298
3299     checkConnection(connection);
3300
3301     switch(Long_val(option))
3302     {
3303 #if HAVE_DECL_CURLINFO_EFFECTIVE_URL
3304     case 0: /* CURLINFO_EFFECTIVE_URL */
3305         resultType = StringValue;
3306
3307         curlResult = curl_easy_getinfo(connection->connection,
3308                                        CURLINFO_EFFECTIVE_URL,
3309                                        &strValue);
3310         break;
3311 #else
3312 #pragma message("libcurl does not provide CURLINFO_EFFECTIVE_URL")
3313 #endif
3314
3315 #if HAVE_DECL_CURLINFO_RESPONSE_CODE || HAVE_DECL_CURLINFO_HTTP_CODE
3316     case 1: /* CURLINFO_HTTP_CODE */
3317     case 2: /* CURLINFO_RESPONSE_CODE */
3318 #if HAVE_DECL_CURLINFO_RESPONSE_CODE
3319         resultType = LongValue;
3320
3321         curlResult = curl_easy_getinfo(connection->connection,
3322                                        CURLINFO_RESPONSE_CODE,
3323                                        &longValue);
3324 #else
3325         resultType = LongValue;
3326
3327         curlResult = curl_easy_getinfo(connection->connection,
3328                                        CURLINFO_HTTP_CODE,
3329                                        &longValue);
3330 #endif
3331         break;
3332 #endif
3333
3334 #if HAVE_DECL_CURLINFO_TOTAL_TIME
3335     case 3: /* CURLINFO_TOTAL_TIME */
3336         resultType = DoubleValue;
3337
3338         curlResult = curl_easy_getinfo(connection->connection,
3339                                        CURLINFO_TOTAL_TIME,
3340                                        &doubleValue);
3341         break;
3342 #endif
3343
3344 #if HAVE_DECL_CURLINFO_NAMELOOKUP_TIME
3345     case 4: /* CURLINFO_NAMELOOKUP_TIME */
3346         resultType = DoubleValue;
3347
3348         curlResult = curl_easy_getinfo(connection->connection,
3349                                        CURLINFO_NAMELOOKUP_TIME,
3350                                        &doubleValue);
3351         break;
3352 #endif
3353
3354 #if HAVE_DECL_CURLINFO_CONNECT_TIME
3355     case 5: /* CURLINFO_CONNECT_TIME */
3356         resultType = DoubleValue;
3357
3358         curlResult = curl_easy_getinfo(connection->connection,
3359                                        CURLINFO_CONNECT_TIME,
3360                                        &doubleValue);
3361         break;
3362 #endif
3363
3364 #if HAVE_DECL_CURLINFO_PRETRANSFER_TIME
3365     case 6: /* CURLINFO_PRETRANSFER_TIME */
3366         resultType = DoubleValue;
3367
3368         curlResult = curl_easy_getinfo(connection->connection,
3369                                        CURLINFO_PRETRANSFER_TIME,
3370                                        &doubleValue);
3371         break;
3372 #endif
3373
3374 #if HAVE_DECL_CURLINFO_SIZE_UPLOAD
3375     case 7: /* CURLINFO_SIZE_UPLOAD */
3376         resultType = DoubleValue;
3377
3378         curlResult = curl_easy_getinfo(connection->connection,
3379                                        CURLINFO_SIZE_UPLOAD,
3380                                        &doubleValue);
3381         break;
3382 #endif
3383
3384 #if HAVE_DECL_CURLINFO_SIZE_DOWNLOAD
3385     case 8: /* CURLINFO_SIZE_DOWNLOAD */
3386         resultType = DoubleValue;
3387
3388         curlResult = curl_easy_getinfo(connection->connection,
3389                                        CURLINFO_SIZE_DOWNLOAD,
3390                                        &doubleValue);
3391         break;
3392 #endif
3393
3394 #if HAVE_DECL_CURLINFO_SPEED_DOWNLOAD
3395     case 9: /* CURLINFO_SPEED_DOWNLOAD */
3396         resultType = DoubleValue;
3397
3398         curlResult = curl_easy_getinfo(connection->connection,
3399                                        CURLINFO_SPEED_DOWNLOAD,
3400                                        &doubleValue);
3401         break;
3402 #endif
3403
3404 #if HAVE_DECL_CURLINFO_SPEED_UPLOAD
3405     case 10: /* CURLINFO_SPEED_UPLOAD */
3406         resultType = DoubleValue;
3407
3408         curlResult = curl_easy_getinfo(connection->connection,
3409                                        CURLINFO_SPEED_UPLOAD,
3410                                        &doubleValue);
3411         break;
3412
3413 #endif
3414
3415 #if HAVE_DECL_CURLINFO_HEADER_SIZE
3416     case 11: /* CURLINFO_HEADER_SIZE */
3417         resultType = LongValue;
3418
3419         curlResult = curl_easy_getinfo(connection->connection,
3420                                        CURLINFO_HEADER_SIZE,
3421                                        &longValue);
3422         break;
3423 #endif
3424
3425 #if HAVE_DECL_CURLINFO_REQUEST_SIZE
3426     case 12: /* CURLINFO_REQUEST_SIZE */
3427         resultType = LongValue;
3428
3429         curlResult = curl_easy_getinfo(connection->connection,
3430                                        CURLINFO_REQUEST_SIZE,
3431                                        &longValue);
3432         break;
3433 #endif
3434
3435 #if HAVE_DECL_CURLINFO_SSL_VERIFYRESULT
3436     case 13: /* CURLINFO_SSL_VERIFYRESULT */
3437         resultType = LongValue;
3438
3439         curlResult = curl_easy_getinfo(connection->connection,
3440                                        CURLINFO_SSL_VERIFYRESULT,
3441                                        &longValue);
3442         break;
3443 #endif
3444
3445 #if HAVE_DECL_CURLINFO_FILETIME
3446     case 14: /* CURLINFO_FILETIME */
3447         resultType = DoubleValue;
3448
3449         curlResult = curl_easy_getinfo(connection->connection,
3450                                        CURLINFO_FILETIME,
3451                                        &longValue);
3452
3453         doubleValue = longValue;
3454         break;
3455 #endif
3456
3457 #if HAVE_DECL_CURLINFO_CONTENT_LENGTH_DOWNLOAD
3458     case 15: /* CURLINFO_CONTENT_LENGTH_DOWNLOAD */
3459         resultType = DoubleValue;
3460
3461         curlResult = curl_easy_getinfo(connection->connection,
3462                                        CURLINFO_CONTENT_LENGTH_DOWNLOAD,
3463                                        &doubleValue);
3464         break;
3465 #endif
3466
3467 #if HAVE_DECL_CURLINFO_CONTENT_LENGTH_UPLOAD
3468     case 16: /* CURLINFO_CONTENT_LENGTH_UPLOAD */
3469         resultType = DoubleValue;
3470
3471         curlResult = curl_easy_getinfo(connection->connection,
3472                                        CURLINFO_CONTENT_LENGTH_UPLOAD,
3473                                        &doubleValue);
3474         break;
3475 #endif
3476
3477 #if HAVE_DECL_CURLINFO_STARTTRANSFER_TIME
3478     case 17: /* CURLINFO_STARTTRANSFER_TIME */
3479         resultType = DoubleValue;
3480
3481         curlResult = curl_easy_getinfo(connection->connection,
3482                                        CURLINFO_STARTTRANSFER_TIME,
3483                                        &doubleValue);
3484         break;
3485 #endif
3486
3487 #if HAVE_DECL_CURLINFO_CONTENT_TYPE
3488     case 18: /* CURLINFO_CONTENT_TYPE */
3489         resultType = StringValue;
3490
3491         curlResult = curl_easy_getinfo(connection->connection,
3492                                        CURLINFO_CONTENT_TYPE,
3493                                        &strValue);
3494         break;
3495 #endif
3496
3497 #if HAVE_DECL_CURLINFO_REDIRECT_TIME
3498     case 19: /* CURLINFO_REDIRECT_TIME */
3499         resultType = DoubleValue;
3500
3501         curlResult = curl_easy_getinfo(connection->connection,
3502                                        CURLINFO_REDIRECT_TIME,
3503                                        &doubleValue);
3504         break;
3505 #endif
3506
3507 #if HAVE_DECL_CURLINFO_REDIRECT_COUNT
3508     case 20: /* CURLINFO_REDIRECT_COUNT */
3509         resultType = LongValue;
3510
3511         curlResult = curl_easy_getinfo(connection->connection,
3512                                        CURLINFO_REDIRECT_COUNT,
3513                                        &longValue);
3514         break;
3515 #endif
3516
3517 #if HAVE_DECL_CURLINFO_PRIVATE
3518     case 21: /* CURLINFO_PRIVATE */
3519         resultType = StringValue;
3520
3521         curlResult = curl_easy_getinfo(connection->connection,
3522                                        CURLINFO_PRIVATE,
3523                                        &strValue);
3524         break;
3525 #endif
3526
3527 #if HAVE_DECL_CURLINFO_HTTP_CONNECTCODE
3528     case 22: /* CURLINFO_HTTP_CONNECTCODE */
3529         resultType = LongValue;
3530
3531         curlResult = curl_easy_getinfo(connection->connection,
3532                                        CURLINFO_HTTP_CONNECTCODE,
3533                                        &longValue);
3534         break;
3535 #endif
3536
3537 #if HAVE_DECL_CURLINFO_HTTPAUTH_AVAIL
3538     case 23: /* CURLINFO_HTTPAUTH_AVAIL */
3539         resultType = LongValue;
3540
3541         curlResult = curl_easy_getinfo(connection->connection,
3542                                        CURLINFO_HTTPAUTH_AVAIL,
3543                                        &longValue);
3544         break;
3545 #endif
3546
3547 #if HAVE_DECL_CURLINFO_PROXYAUTH_AVAIL
3548     case 24: /* CURLINFO_PROXYAUTH_AVAIL */
3549         resultType = LongValue;
3550
3551         curlResult = curl_easy_getinfo(connection->connection,
3552                                        CURLINFO_PROXYAUTH_AVAIL,
3553                                        &longValue);
3554         break;
3555 #endif
3556
3557 #if HAVE_DECL_CURLINFO_OS_ERRNO
3558     case 25: /* CURLINFO_OS_ERRNO */
3559         resultType = LongValue;
3560
3561         curlResult = curl_easy_getinfo(connection->connection,
3562                                        CURLINFO_OS_ERRNO,
3563                                        &longValue);
3564         break;
3565 #endif
3566
3567 #if HAVE_DECL_CURLINFO_NUM_CONNECTS
3568     case 26: /* CURLINFO_NUM_CONNECTS */
3569         resultType = LongValue;
3570
3571         curlResult = curl_easy_getinfo(connection->connection,
3572                                        CURLINFO_NUM_CONNECTS,
3573                                        &longValue);
3574         break;
3575 #endif
3576
3577 #if HAVE_DECL_CURLINFO_SSL_ENGINES
3578     case 27: /* CURLINFO_SSL_ENGINES */
3579         resultType = StringListValue;
3580
3581         curlResult = curl_easy_getinfo(connection->connection,
3582                                        CURLINFO_SSL_ENGINES,
3583                                        &stringListValue);
3584         break;
3585 #endif
3586
3587 #if HAVE_DECL_CURLINFO_COOKIELIST
3588     case 28: /* CURLINFO_COOKIELIST */
3589         resultType = StringListValue;
3590
3591         curlResult = curl_easy_getinfo(connection->connection,
3592                                        CURLINFO_COOKIELIST,
3593                                        &stringListValue);
3594         break;
3595 #endif
3596
3597 #if HAVE_DECL_CURLINFO_LASTSOCKET
3598     case 29: /* CURLINFO_LASTSOCKET */
3599         resultType = LongValue;
3600
3601         curlResult = curl_easy_getinfo(connection->connection,
3602                                        CURLINFO_LASTSOCKET,
3603                                        &longValue);
3604         break;
3605 #endif
3606
3607 #if HAVE_DECL_CURLINFO_FTP_ENTRY_PATH
3608     case 30: /* CURLINFO_FTP_ENTRY_PATH */
3609         resultType = StringValue;
3610
3611         curlResult = curl_easy_getinfo(connection->connection,
3612                                        CURLINFO_FTP_ENTRY_PATH,
3613                                        &strValue);
3614         break;
3615 #endif
3616
3617 #if HAVE_DECL_CURLINFO_REDIRECT_URL
3618     case 31: /* CURLINFO_REDIRECT_URL */
3619         resultType = StringValue;
3620
3621         curlResult = curl_easy_getinfo(connection->connection,
3622                                        CURLINFO_REDIRECT_URL,
3623                                        &strValue);
3624         break;
3625 #else
3626 #pragma message("libcurl does not provide CURLINFO_REDIRECT_URL")
3627 #endif
3628
3629 #if HAVE_DECL_CURLINFO_PRIMARY_IP
3630     case 32: /* CURLINFO_PRIMARY_IP */
3631         resultType = StringValue;
3632
3633         curlResult = curl_easy_getinfo(connection->connection,
3634                                        CURLINFO_PRIMARY_IP,
3635                                        &strValue);
3636         break;
3637 #else
3638 #pragma message("libcurl does not provide CURLINFO_PRIMARY_IP")
3639 #endif
3640
3641 #if HAVE_DECL_CURLINFO_LOCAL_IP
3642     case 33: /* CURLINFO_LOCAL_IP */
3643         resultType = StringValue;
3644
3645         curlResult = curl_easy_getinfo(connection->connection,
3646                                        CURLINFO_LOCAL_IP,
3647                                        &strValue);
3648         break;
3649 #else
3650 #pragma message("libcurl does not provide CURLINFO_LOCAL_IP")
3651 #endif
3652
3653 #if HAVE_DECL_CURLINFO_LOCAL_PORT
3654     case 34: /* CURLINFO_LOCAL_PORT */
3655         resultType = LongValue;
3656
3657         curlResult = curl_easy_getinfo(connection->connection,
3658                                        CURLINFO_LOCAL_PORT,
3659                                        &longValue);
3660         break;
3661 #else
3662 #pragma message("libcurl does not provide CURLINFO_LOCAL_PORT")
3663 #endif
3664
3665 #if HAVE_DECL_CURLINFO_CONDITION_UNMET
3666     case 35: /* CURLINFO_CONDITION_UNMET */
3667         resultType = LongValue;
3668
3669         curlResult = curl_easy_getinfo(connection->connection,
3670                                        CURLINFO_CONDITION_UNMET,
3671                                        &longValue);
3672         break;
3673 #else
3674 #pragma message("libcurl does not provide CURLINFO_CONDITION_UNMET")
3675 #endif
3676 #if HAVE_DECL_CURLINFO_CERTINFO
3677     case 36: /* CURLINFO_CERTINFO */
3678         resultType = StringListListValue;
3679         ptr.to_info = NULL;
3680         curlResult = curl_easy_getinfo(connection->connection,
3681                                        CURLINFO_CERTINFO,
3682                                        &ptr.to_info);
3683
3684         result = Val_emptylist;
3685         current = Val_emptylist;
3686         next = Val_emptylist;
3687
3688         if (curlResult != CURLE_OK || !ptr.to_info)
3689           break;
3690
3691         for (i = 0; i < ptr.to_certinfo->num_of_certs; i++) {
3692           next = caml_alloc_tuple(2);
3693           Store_field(next, 0, convertStringList(ptr.to_certinfo->certinfo[i]));
3694           Store_field(next, 1, current);
3695           current = next;
3696         }
3697         break;
3698 #else
3699 #pragma message("libcurl does not provide CURLINFO_CERTINFO")
3700 #endif
3701     default:
3702         caml_failwith("Invalid CURLINFO Option");
3703         break;
3704     }
3705
3706     if (curlResult != CURLE_OK)
3707         raiseError(connection, curlResult);
3708
3709     switch (resultType)
3710     {
3711     case StringValue:
3712         result = caml_alloc(1, StringValue);
3713         Store_field(result, 0, caml_copy_string(strValue?strValue:""));
3714         break;
3715
3716     case LongValue:
3717         result = caml_alloc(1, LongValue);
3718         Store_field(result, 0, Val_long(longValue));
3719         break;
3720
3721     case DoubleValue:
3722         result = caml_alloc(1, DoubleValue);
3723         Store_field(result, 0, caml_copy_double(doubleValue));
3724         break;
3725
3726     case StringListValue:
3727         result = caml_alloc(1, StringListValue);
3728         Store_field(result, 0, convertStringList(stringListValue));
3729         curl_slist_free_all(stringListValue);
3730         break;
3731
3732     case StringListListValue:
3733         result = caml_alloc(1, StringListListValue);
3734         Store_field(result, 0, current);
3735         break;
3736     }
3737
3738     CAMLreturn(result);
3739 }
3740
3741 /**
3742  **  curl_escape helper function
3743  **/
3744
3745 CAMLprim value helper_curl_escape(value str)
3746 {
3747     CAMLparam1(str);
3748     CAMLlocal1(result);
3749     char *curlResult;
3750
3751     curlResult = curl_escape(String_val(str), caml_string_length(str));
3752     result = caml_copy_string(curlResult);
3753     free(curlResult);
3754
3755     CAMLreturn(result);
3756 }
3757
3758 /**
3759  **  curl_unescape helper function
3760  **/
3761
3762 CAMLprim value helper_curl_unescape(value str)
3763 {
3764     CAMLparam1(str);
3765     CAMLlocal1(result);
3766     char *curlResult;
3767
3768     curlResult = curl_unescape(String_val(str), caml_string_length(str));
3769     result = caml_copy_string(curlResult);
3770     free(curlResult);
3771
3772     CAMLreturn(result);
3773 }
3774
3775 /**
3776  **  curl_getdate helper function
3777  **/
3778
3779 CAMLprim value helper_curl_getdate(value str, value now)
3780 {
3781     CAMLparam2(str, now);
3782     CAMLlocal1(result);
3783     time_t curlResult;
3784     time_t curlNow;
3785
3786     curlNow = (time_t)Double_val(now);
3787     curlResult = curl_getdate(String_val(str), &curlNow);
3788     result = caml_copy_double((double)curlResult);
3789
3790     CAMLreturn(result);
3791 }
3792
3793 /**
3794  **  curl_version helper function
3795  **/
3796
3797 CAMLprim value helper_curl_version(void)
3798 {
3799     CAMLparam0();
3800     CAMLlocal1(result);
3801     char *str;
3802
3803     str = curl_version();
3804     result = caml_copy_string(str);
3805
3806     CAMLreturn(result);
3807 }
3808
3809 struct CURLVersionBitsMapping
3810 {
3811     int code;
3812     char *name;
3813 };
3814
3815 struct CURLVersionBitsMapping versionBitsMap[] =
3816 {
3817     {CURL_VERSION_IPV6, "ipv6"},
3818     {CURL_VERSION_KERBEROS4, "kerberos4"},
3819     {CURL_VERSION_SSL, "ssl"},
3820     {CURL_VERSION_LIBZ, "libz"},
3821     {CURL_VERSION_NTLM, "ntlm"},
3822     {CURL_VERSION_GSSNEGOTIATE, "gssnegotiate"},
3823     {CURL_VERSION_DEBUG, "debug"},
3824     {CURL_VERSION_CURLDEBUG, "curldebug"},
3825     {CURL_VERSION_ASYNCHDNS, "asynchdns"},
3826     {CURL_VERSION_SPNEGO, "spnego"},
3827     {CURL_VERSION_LARGEFILE, "largefile"},
3828     {CURL_VERSION_IDN, "idn"},
3829     {CURL_VERSION_SSPI, "sspi"},
3830     {CURL_VERSION_CONV, "conv"},
3831 #if HAVE_DECL_CURL_VERSION_TLSAUTH_SRP
3832     {CURL_VERSION_TLSAUTH_SRP, "srp"},
3833 #endif
3834 #if HAVE_DECL_CURL_VERSION_NTLM_WB
3835     {CURL_VERSION_NTLM_WB, "wb"},
3836 #endif
3837 };
3838
3839 CAMLprim value caml_curl_version_info(value unit)
3840 {
3841   CAMLparam1(unit);
3842   CAMLlocal4(v, vlist, vnum, vfeatures);
3843   const char* const* p = NULL;
3844   size_t i = 0;
3845
3846   curl_version_info_data* data = curl_version_info(CURLVERSION_NOW);
3847   if (NULL == data) caml_failwith("curl_version_info");
3848
3849   vlist = Val_emptylist;
3850   for (p = data->protocols; NULL != *p; p++)
3851   {
3852     vlist = Val_cons(vlist, caml_copy_string(*p));
3853   }
3854
3855   vfeatures = Val_emptylist;
3856   for (i = 0; i < sizeof(versionBitsMap)/sizeof(versionBitsMap[0]); i++)
3857   {
3858     if (0 != (versionBitsMap[i].code & data->features))
3859       vfeatures = Val_cons(vfeatures, caml_copy_string(versionBitsMap[i].name));
3860   }
3861
3862   vnum = caml_alloc_tuple(3);
3863   Store_field(vnum,0,Val_int(0xFF & (data->version_num >> 16)));
3864   Store_field(vnum,1,Val_int(0xFF & (data->version_num >> 8)));
3865   Store_field(vnum,2,Val_int(0xFF & (data->version_num)));
3866
3867   v = caml_alloc_tuple(12);
3868   Store_field(v,0,caml_copy_string(data->version));
3869   Store_field(v,1,vnum);
3870   Store_field(v,2,caml_copy_string(data->host));
3871   Store_field(v,3,vfeatures);
3872   Store_field(v,4,data->ssl_version ? Val_some(caml_copy_string(data->ssl_version)) : Val_none);
3873   Store_field(v,5,data->libz_version ? Val_some(caml_copy_string(data->libz_version)) : Val_none);
3874   Store_field(v,6,vlist);
3875   Store_field(v,7,caml_copy_string((data->age >= 1 && data->ares) ? data->ares : ""));
3876   Store_field(v,8,Val_int((data->age >= 1) ? data->ares_num : 0));
3877   Store_field(v,9,caml_copy_string((data->age >= 2 && data->libidn) ? data->libidn : ""));
3878   Store_field(v,10,Val_int((data->age >= 3) ? data->iconv_ver_num : 0));
3879   Store_field(v,11,caml_copy_string((data->age >= 3 && data->libssh_version) ? data->libssh_version : ""));
3880
3881   CAMLreturn(v);
3882 }
3883
3884 CAMLprim value caml_curl_pause(value conn, value opts)
3885 {
3886   CAMLparam2(conn, opts);
3887   CAMLlocal4(v, vlist, vnum, vfeatures);
3888   Connection *connection = Connection_val(conn);
3889   int bitmask = 0;
3890   CURLcode result;
3891
3892   while (Val_emptylist != opts)
3893   {
3894     switch (Int_val(Field(opts,0)))
3895     {
3896       case 0: bitmask |= CURLPAUSE_SEND; break;
3897       case 1: bitmask |= CURLPAUSE_RECV; break;
3898       case 2: bitmask |= CURLPAUSE_ALL; break;
3899       default: caml_failwith("wrong pauseOption");
3900     }
3901     opts = Field(opts,1);
3902   }
3903
3904   result = curl_easy_pause(connection->connection,bitmask);
3905   if (result != CURLE_OK)
3906     raiseError(connection, result);
3907
3908   CAMLreturn(Val_unit);
3909 }
3910
3911 /*
3912  * Curl multi stack support
3913  *
3914  * Exported thin wrappers for libcurl are prefixed with caml_curl_multi_.
3915  * Other exported functions are prefixed with caml_curlm_, some of them
3916  * can/should be decomposed into smaller parts.
3917  */
3918
3919 struct ml_multi_handle
3920 {
3921   CURLM* handle;
3922   value values; /* callbacks */
3923 };
3924
3925 enum
3926 {
3927   curlmopt_socket_function,
3928   curlmopt_timer_function,
3929
3930   /* last, not used */
3931   multi_values_total
3932 };
3933
3934 typedef struct ml_multi_handle ml_multi_handle;
3935
3936 #define Multi_val(v) (*(ml_multi_handle**)Data_custom_val(v))
3937 #define CURLM_val(v) (Multi_val(v)->handle)
3938
3939 static struct custom_operations curl_multi_ops = {
3940   "ygrek.curl_multi",
3941   custom_finalize_default,
3942   custom_compare_default,
3943   custom_hash_default,
3944   custom_serialize_default,
3945   custom_deserialize_default,
3946 #if defined(custom_compare_ext_default)
3947   custom_compare_ext_default,
3948 #endif
3949 };
3950
3951 CAMLprim value caml_curl_multi_init(value unit)
3952 {
3953   CAMLparam1(unit);
3954   CAMLlocal1(v);
3955   ml_multi_handle* multi = (ml_multi_handle*)caml_stat_alloc(sizeof(ml_multi_handle));
3956   CURLM* h = curl_multi_init();
3957
3958   if (!h)
3959   {
3960     caml_stat_free(multi);
3961     caml_failwith("caml_curl_multi_init");
3962   }
3963
3964   multi->handle = h;
3965   multi->values = caml_alloc(multi_values_total, 0);
3966   caml_register_generational_global_root(&multi->values);
3967
3968   v = caml_alloc_custom(&curl_multi_ops, sizeof(ml_multi_handle*), 0, 1);
3969   Multi_val(v) = multi;
3970
3971   CAMLreturn(v);
3972 }
3973
3974 CAMLprim value caml_curl_multi_cleanup(value handle)
3975 {
3976   CAMLparam1(handle);
3977   ml_multi_handle* h = Multi_val(handle);
3978
3979   if (NULL == h)
3980     CAMLreturn(Val_unit);
3981
3982   caml_remove_generational_global_root(&h->values);
3983
3984   if (CURLM_OK != curl_multi_cleanup(h->handle))
3985     caml_failwith("caml_curl_multi_cleanup");
3986
3987   caml_stat_free(h);
3988   Multi_val(handle) = (ml_multi_handle*)NULL;
3989
3990   CAMLreturn(Val_unit);
3991 }
3992
3993 static CURL* curlm_remove_finished(CURLM* multi_handle, CURLcode* result)
3994 {
3995   int msgs_in_queue = 0;
3996
3997   while (1)
3998   {
3999     CURLMsg* msg = curl_multi_info_read(multi_handle, &msgs_in_queue);
4000     if (NULL == msg) return NULL;
4001     if (CURLMSG_DONE == msg->msg)
4002     {
4003       CURL* easy_handle = msg->easy_handle;
4004       if (result) *result = msg->data.result;
4005       if (CURLM_OK != curl_multi_remove_handle(multi_handle, easy_handle))
4006       {
4007         /*caml_failwith("curlm_remove_finished");*/
4008       }
4009       return easy_handle;
4010     }
4011   }
4012 }
4013
4014 CAMLprim value caml_curlm_remove_finished(value v_multi)
4015 {
4016   CAMLparam1(v_multi);
4017   CAMLlocal2(v_easy, v_tuple);
4018   CURL* handle;
4019   CURLM* multi_handle;
4020   CURLcode result;
4021   Connection* conn = NULL;
4022
4023   multi_handle = CURLM_val(v_multi);
4024
4025   caml_enter_blocking_section();
4026   handle = curlm_remove_finished(multi_handle,&result);
4027   caml_leave_blocking_section();
4028
4029   if (NULL == handle)
4030   {
4031     CAMLreturn(Val_none);
4032   }
4033   else
4034   {
4035     conn = findConnection(handle);
4036     if (conn->curl_ERRORBUFFER != NULL)
4037     {
4038         Store_field(Field(conn->ocamlValues, Ocaml_ERRORBUFFER), 0, caml_copy_string(conn->curl_ERRORBUFFER));
4039     }
4040     conn->refcount--;
4041     /* NB: same handle, but different block */
4042     v_easy = caml_curl_alloc(conn);
4043     v_tuple = caml_alloc(2, 0);
4044     Store_field(v_tuple,0,v_easy);
4045     Store_field(v_tuple,1,Val_int(result)); /* CURLcode */
4046     CAMLreturn(Val_some(v_tuple));
4047   }
4048 }
4049
4050 static int curlm_wait_data(CURLM* multi_handle)
4051 {
4052         struct timeval timeout;
4053   CURLMcode ret;
4054
4055         fd_set fdread;
4056         fd_set fdwrite;
4057         fd_set fdexcep;
4058         int maxfd = -1;
4059
4060         FD_ZERO(&fdread);
4061         FD_ZERO(&fdwrite);
4062         FD_ZERO(&fdexcep);
4063
4064         /* set a suitable timeout */
4065         timeout.tv_sec = 1;
4066         timeout.tv_usec = 0;
4067
4068         /* get file descriptors from the transfers */
4069         ret = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
4070
4071         if (ret == CURLM_OK && maxfd >= 0)
4072         {
4073                 int rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
4074                 if (-1 != rc) return 0;
4075         }
4076         return 1;
4077 }
4078
4079 CAMLprim value caml_curlm_wait_data(value v_multi)
4080 {
4081   CAMLparam1(v_multi);
4082   int ret;
4083   CURLM* h = CURLM_val(v_multi);
4084
4085   caml_enter_blocking_section();
4086   ret = curlm_wait_data(h);
4087   caml_leave_blocking_section();
4088
4089   CAMLreturn(Val_bool(0 == ret));
4090 }
4091
4092 CAMLprim value caml_curl_multi_add_handle(value v_multi, value v_easy)
4093 {
4094   CAMLparam2(v_multi,v_easy);
4095   CURLM* multi = CURLM_val(v_multi);
4096   Connection* conn = Connection_val(v_easy);
4097
4098   /* prevent collection of OCaml value while the easy handle is used
4099    and may invoke callbacks registered on OCaml side */
4100   conn->refcount++;
4101
4102   /* may invoke callbacks so need to be consistent with locks */
4103   caml_enter_blocking_section();
4104   if (CURLM_OK != curl_multi_add_handle(multi, conn->connection))
4105   {
4106     conn->refcount--; /* not added, revert */
4107     caml_leave_blocking_section();
4108     caml_failwith("caml_curl_multi_add_handle");
4109   }
4110   caml_leave_blocking_section();
4111
4112   CAMLreturn(Val_unit);
4113 }
4114
4115 CAMLprim value caml_curl_multi_remove_handle(value v_multi, value v_easy)
4116 {
4117   CAMLparam2(v_multi,v_easy);
4118   CURLM* multi = CURLM_val(v_multi);
4119   Connection* conn = Connection_val(v_easy);
4120
4121   /* may invoke callbacks so need to be consistent with locks */
4122   caml_enter_blocking_section();
4123   if (CURLM_OK != curl_multi_remove_handle(multi, conn->connection))
4124   {
4125     caml_leave_blocking_section();
4126     caml_failwith("caml_curl_multi_remove_handle");
4127   }
4128   conn->refcount--;
4129   caml_leave_blocking_section();
4130
4131   CAMLreturn(Val_unit);
4132 }
4133
4134 CAMLprim value caml_curl_multi_perform_all(value v_multi)
4135 {
4136   CAMLparam1(v_multi);
4137   int still_running = 0;
4138   CURLM* h = CURLM_val(v_multi);
4139
4140   caml_enter_blocking_section();
4141   while (CURLM_CALL_MULTI_PERFORM == curl_multi_perform(h, &still_running));
4142   caml_leave_blocking_section();
4143
4144   CAMLreturn(Val_int(still_running));
4145 }
4146
4147 CAMLprim value helper_curl_easy_strerror(value v_code)
4148 {
4149   CAMLparam1(v_code);
4150   CAMLreturn(caml_copy_string(curl_easy_strerror(Int_val(v_code))));
4151 }
4152
4153 /*
4154  * Wrappers for the curl_multi_socket_action infrastructure
4155  * Based on curl hiperfifo.c example
4156  */
4157
4158 #ifdef _WIN32
4159 #ifndef Val_socket
4160 #define Val_socket(v) win_alloc_socket(v)
4161 #endif
4162 #ifndef Socket_val
4163 #error Socket_val not defined in unixsupport.h
4164 #endif
4165 #else /* _WIN32 */
4166 #ifndef Socket_val
4167 #define Socket_val(v) Long_val(v)
4168 #endif
4169 #ifndef Val_socket
4170 #define Val_socket(v) Val_int(v)
4171 #endif
4172 #endif  /* _WIN32 */
4173
4174 static void raise_multi_error(char const* msg)
4175 {
4176   static value* exception = NULL;
4177
4178   if (NULL == exception)
4179   {
4180     exception = caml_named_value("Curl.Multi.Error");
4181     if (NULL == exception) caml_invalid_argument("Curl.Multi.Error");
4182   }
4183
4184   caml_raise_with_string(*exception, msg);
4185 }
4186
4187 static void check_mcode(CURLMcode code)
4188 {
4189   char const *s = NULL;
4190   switch (code)
4191   {
4192     case CURLM_OK                  : return;
4193     case CURLM_CALL_MULTI_PERFORM  : s="CURLM_CALL_MULTI_PERFORM"; break;
4194     case CURLM_BAD_HANDLE          : s="CURLM_BAD_HANDLE";         break;
4195     case CURLM_BAD_EASY_HANDLE     : s="CURLM_BAD_EASY_HANDLE";    break;
4196     case CURLM_OUT_OF_MEMORY       : s="CURLM_OUT_OF_MEMORY";      break;
4197     case CURLM_INTERNAL_ERROR      : s="CURLM_INTERNAL_ERROR";     break;
4198     case CURLM_UNKNOWN_OPTION      : s="CURLM_UNKNOWN_OPTION";     break;
4199     case CURLM_LAST                : s="CURLM_LAST";               break;
4200     case CURLM_BAD_SOCKET          : s="CURLM_BAD_SOCKET";         break;
4201     default                        : s="CURLM_unknown";            break;
4202   }
4203   raise_multi_error(s);
4204 }
4205
4206 CAMLprim value caml_curl_multi_socket_action(value v_multi, value v_fd, value v_kind)
4207 {
4208   CAMLparam3(v_multi, v_fd, v_kind);
4209   CURLM* h = CURLM_val(v_multi);
4210   int still_running = 0;
4211   CURLMcode rc = CURLM_OK;
4212   curl_socket_t socket;
4213   int kind = 0;
4214
4215   if (Val_none == v_fd)
4216   {
4217     socket = CURL_SOCKET_TIMEOUT;
4218   }
4219   else
4220   {
4221     socket = Socket_val(Field(v_fd, 0));
4222   }
4223
4224   switch (Int_val(v_kind))
4225   {
4226     case 0 : break;
4227     case 1 : kind |= CURL_CSELECT_IN; break;
4228     case 2 : kind |= CURL_CSELECT_OUT; break;
4229     case 3 : kind |= CURL_CSELECT_IN | CURL_CSELECT_OUT; break;
4230     default:
4231       raise_multi_error("caml_curl_multi_socket_action");
4232   }
4233
4234 /*  fprintf(stdout,"fd %u kind %u\n",socket, kind); fflush(stdout); */
4235
4236   caml_enter_blocking_section();
4237   do {
4238     rc = curl_multi_socket_action(h, socket, kind, &still_running);
4239   } while (rc == CURLM_CALL_MULTI_PERFORM);
4240   caml_leave_blocking_section();
4241
4242   check_mcode(rc);
4243
4244   CAMLreturn(Val_int(still_running));
4245 }
4246
4247 CAMLprim value caml_curl_multi_socket_all(value v_multi)
4248 {
4249   CAMLparam1(v_multi);
4250   int still_running = 0;
4251   CURLMcode rc = CURLM_OK;
4252   CURLM* h = CURLM_val(v_multi);
4253
4254   caml_enter_blocking_section();
4255   do {
4256     rc = curl_multi_socket_all(h, &still_running);
4257   } while (rc == CURLM_CALL_MULTI_PERFORM);
4258   caml_leave_blocking_section();
4259
4260   check_mcode(rc);
4261
4262   CAMLreturn(Val_int(still_running));
4263 }
4264
4265 static int curlm_sock_cb(CURL *e, curl_socket_t sock, int what, void *cbp, void *sockp)
4266 {
4267   caml_leave_blocking_section();
4268
4269   CAMLparam0();
4270   CAMLlocal2(v_what,csock);
4271   (void)e;
4272   (void)sockp; /* not used */
4273
4274   /* v_what = Val_int(what); */
4275   switch (what)
4276   {
4277     case CURL_POLL_NONE   : v_what = Val_int(0); break;
4278     case CURL_POLL_IN     : v_what = Val_int(1); break;
4279     case CURL_POLL_OUT    : v_what = Val_int(2); break;
4280     case CURL_POLL_INOUT  : v_what = Val_int(3); break;
4281     case CURL_POLL_REMOVE : v_what = Val_int(4); break;
4282     default:
4283       fprintf(stderr, "curlm_sock_cb sock=%d what=%d\n", sock, what);
4284       fflush(stderr);
4285       raise_multi_error("curlm_sock_cb"); /* FIXME exception from callback */
4286   }
4287   csock=Val_socket(sock);
4288   caml_callback2(Field(((ml_multi_handle*)cbp)->values,curlmopt_socket_function),
4289                  csock, v_what);
4290   CAMLdrop;
4291
4292   caml_enter_blocking_section();
4293   return 0;
4294 }
4295
4296 CAMLprim value caml_curl_multi_socketfunction(value v_multi, value v_cb)
4297 {
4298   CAMLparam2(v_multi, v_cb);
4299   ml_multi_handle* multi = Multi_val(v_multi);
4300
4301   Store_field(multi->values, curlmopt_socket_function, v_cb);
4302
4303   curl_multi_setopt(multi->handle, CURLMOPT_SOCKETFUNCTION, curlm_sock_cb);
4304   curl_multi_setopt(multi->handle, CURLMOPT_SOCKETDATA, multi);
4305
4306   CAMLreturn(Val_unit);
4307 }
4308
4309 static int curlm_timer_cb(CURLM *multi, long timeout_ms, void *userp)
4310 {
4311   caml_leave_blocking_section();
4312
4313   CAMLparam0();
4314   (void)multi;
4315   caml_callback(Field(((ml_multi_handle*)userp)->values,curlmopt_timer_function), Val_long(timeout_ms));
4316   CAMLdrop;
4317
4318   caml_enter_blocking_section();
4319   return 0;
4320 }
4321
4322 CAMLprim value caml_curl_multi_timerfunction(value v_multi, value v_cb)
4323 {
4324   CAMLparam2(v_multi, v_cb);
4325   ml_multi_handle* multi = Multi_val(v_multi);
4326
4327   Store_field(multi->values, curlmopt_timer_function, v_cb);
4328
4329   curl_multi_setopt(multi->handle, CURLMOPT_TIMERFUNCTION, curlm_timer_cb);
4330   curl_multi_setopt(multi->handle, CURLMOPT_TIMERDATA, multi);
4331
4332   CAMLreturn(Val_unit);
4333 }
4334
4335 CAMLprim value caml_curl_multi_timeout(value v_multi)
4336 {
4337   CAMLparam1(v_multi);
4338   long ms = 0;
4339   CURLMcode rc = CURLM_OK;
4340   ml_multi_handle* multi = Multi_val(v_multi);
4341
4342   rc = curl_multi_timeout(multi->handle, &ms);
4343
4344   check_mcode(rc);
4345
4346   CAMLreturn(Val_long(ms));
4347 }
4348
4349 #define SETMOPT_VAL_(func_name, curl_option, conv_val) \
4350 static void func_name(CURLM *handle, value option) \
4351 { \
4352     CAMLparam1(option); \
4353     CURLcode result = CURLM_OK; \
4354 \
4355     result = curl_multi_setopt(handle, curl_option, conv_val(option)); \
4356 \
4357     check_mcode(result); \
4358 \
4359     CAMLreturn0; \
4360 }
4361
4362 #define SETMOPT_VAL(name, conv) SETMOPT_VAL_(handle_multi_##name, CURLMOPT_##name, conv)
4363 #define SETMOPT_BOOL(name) SETMOPT_VAL(name, Bool_val)
4364 #define SETMOPT_LONG(name) SETMOPT_VAL(name, Long_val)
4365 #define SETMOPT_INT64(name) SETMOPT_VAL(name, Int64_val)
4366
4367 long pipeliningMap[] =
4368 {
4369   0, /* CURLPIPE_NOTHING */
4370   1, /* CURLPIPE_HTTP1 */
4371   2, /* CURLPIPE_MULTIPLEX */
4372 };
4373
4374 static void handle_multi_PIPELINING(CURLM* handle, value option)
4375 {
4376   CAMLparam1(option);
4377   CURLcode result = CURLM_OK;
4378
4379   long bits = convert_bit_list(pipeliningMap, sizeof(pipeliningMap) / sizeof(pipeliningMap[0]), option);
4380
4381   result = curl_multi_setopt(handle, CURLMOPT_PIPELINING, bits);
4382
4383   check_mcode(result);
4384
4385   CAMLreturn0;
4386 }
4387
4388 #if HAVE_DECL_CURLMOPT_MAXCONNECTS
4389 SETMOPT_LONG( MAXCONNECTS)
4390 #endif
4391
4392 #if HAVE_DECL_CURLMOPT_MAX_PIPELINE_LENGTH
4393 SETMOPT_LONG( MAX_PIPELINE_LENGTH)
4394 #endif
4395
4396 #if HAVE_DECL_CURLMOPT_MAX_HOST_CONNECTIONS
4397 SETMOPT_LONG( MAX_HOST_CONNECTIONS)
4398 #endif
4399
4400 typedef struct CURLMOptionMapping CURLMOptionMapping;
4401 #define OPT(name) { handle_multi_## name, "CURLMOPT_"#name}
4402 #define NO_OPT(name) { NULL, "CURLMOPT_"#name}
4403
4404 struct CURLMOptionMapping
4405 {
4406     void (*optionHandler)(CURLM *, value);
4407     char *name;
4408 };
4409
4410 CURLMOptionMapping implementedMOptionMap[] = {
4411   OPT( PIPELINING),
4412 #if HAVE_DECL_CURLMOPT_MAXCONNECTS
4413   OPT( MAXCONNECTS),
4414 #else
4415   NO_OPT( MAXCONNECTS),
4416 #endif
4417 #if HAVE_DECL_CURLMOPT_MAX_PIPELINE_LENGTH
4418   OPT( MAX_PIPELINE_LENGTH),
4419 #else
4420   NO_OPT( MAX_PIPELINE_LENGTH),
4421 #endif
4422 #if HAVE_DECL_CURLMOPT_MAX_HOST_CONNECTIONS
4423   OPT( MAX_HOST_CONNECTIONS),
4424 #else
4425   NO_OPT( MAX_HOST_CONNECTIONS),
4426 #endif
4427 };
4428
4429 CAMLprim value caml_curl_multi_setopt(value v_multi, value option)
4430 {
4431     CAMLparam2(v_multi, option);
4432     CAMLlocal1(data);
4433     CURLM *handle = Multi_val(v_multi)->handle;
4434     CURLMOptionMapping* thisOption = NULL;
4435     static value* exception = NULL;
4436
4437     data = Field(option, 0);
4438
4439     if (Tag_val(option) < sizeof(implementedMOptionMap)/sizeof(CURLMOptionMapping))
4440     {
4441       thisOption = &implementedMOptionMap[Tag_val(option)];
4442       if (thisOption->optionHandler)
4443       {
4444         thisOption->optionHandler(handle, data);
4445       }
4446       else
4447       {
4448         if (NULL == exception)
4449         {
4450           exception = caml_named_value("Curl.NotImplemented");
4451           if (NULL == exception) caml_invalid_argument("Curl.NotImplemented");
4452         }
4453
4454         caml_raise_with_string(*exception, thisOption->name);
4455       }
4456     }
4457     else
4458     {
4459       caml_failwith("Invalid CURLMOPT Option");
4460     }
4461
4462     CAMLreturn(Val_unit);
4463 }