fcgi.h

   1 /*
   2  * $Id: fcgi.h,v 1.45 2004/01/07 01:56:00 robs Exp $
   3  */
   4
   5 #ifndef FCGI_H
   6 #define FCGI_H
   7
   8 #if defined(DEBUG) && ! defined(NDEBUG)
   9 #define ASSERT(a) ap_assert(a)
  10 #else
  11 #define ASSERT(a) ((void) 0)
  12 #endif
  13
  14 #ifdef WIN32
  15 /* warning C4115: named type definition in parentheses */
  16 #pragma warning(disable : 4115)
  17 /* warning C4514: unreferenced inline function has been removed */
  18 #pragma warning(disable:4514)
  19 #endif
  20
  21 /* Apache header files */
  22 #include "httpd.h"
  23 #include "http_config.h"
  24 #include "http_request.h"
  25 #include "http_core.h"
  26 #include "http_protocol.h"
  27 #include "http_main.h"
  28 #include "http_log.h"
  29 #include "util_script.h"
  30 #include "util_md5.h"
  31
  32 /* AP2TODO there's probably a better way */
  33 #ifdef STANDARD20_MODULE_STUFF
  34 #define APACHE2
  35 #endif
  36
  37 #ifdef APACHE2
  38
  39 #include <sys/stat.h>
  40 #include "ap_compat.h"
  41 #include "apr_strings.h"
  42
  43 #ifdef WIN32
  44 #if MODULE_MAGIC_NUMBER < 20020903
  45 #error "mod_fastcgi is incompatible with Apache versions older than 2.0.41 under WIN"
  46 #endif
  47 #endif
  48
  49 typedef struct apr_array_header_t array_header;
  50 typedef struct apr_table_t table;
  51 typedef struct apr_pool_t pool;
  52 #define NET_SIZE_T apr_socklen_t
  53
  54 typedef apr_status_t apcb_t;
  55 #define APCB_OK APR_SUCCESS
  56
  57 #define XtOffsetOf APR_OFFSETOF
  58 #define ap_select select
  59
  60 #define ap_user_id        unixd_config.user_id
  61 #define ap_group_id       unixd_config.group_id
  62 #define ap_user_name      unixd_config.user_name
  63 #define ap_suexec_enabled unixd_config.suexec_enabled
  64
  65 #ifndef S_ISDIR
  66 #define S_ISDIR(m)      (((m)&(S_IFMT)) == (S_IFDIR))
  67 #endif
  68
  69 /* obsolete fns */
  70 #define ap_hard_timeout(a,b)
  71 #define ap_kill_timeout(a)
  72 #define ap_block_alarms()
  73 #define ap_reset_timeout(a)
  74 #define ap_unblock_alarms()
  75
  76 #if (defined(HAVE_WRITEV) && !HAVE_WRITEV && !defined(NO_WRITEV)) || defined WIN32
  77 #define NO_WRITEV
  78 #endif
  79
  80 #else /* !APACHE2 */
  81
  82 #include "http_conf_globals.h"
  83 typedef void apcb_t;
  84 #define APCB_OK
  85
  86 #if MODULE_MAGIC_NUMBER < 19990320
  87 #error "This version of mod_fastcgi is incompatible with Apache versions older than 1.3.6."
  88 #endif
  89
  90 #endif /* !APACHE2 */
  91
  92 #ifndef NO_WRITEV
  93 #include <sys/uio.h>
  94 #endif
  95
  96 #ifdef WIN32
  97 #ifndef APACHE2
  98 #include "multithread.h"
  99 #endif
 100 #pragma warning(default : 4115)
 101 #else
 102 #include <sys/un.h>
 103 #endif
 104
 105 /* FastCGI header files */
 106 #include "mod_fastcgi.h"
 107 /* @@@ This should go away when fcgi_protocol is re-written */
 108 #include "fcgi_protocol.h"
 109
 110 typedef struct {
 111     int size;               /* size of entire buffer */
 112     int length;             /* number of bytes in current buffer */
 113     char *begin;            /* begining of valid data */
 114     char *end;              /* end of valid data */
 115     char data[1];           /* buffer data */
 116 } Buffer;
 117
 118 #ifdef WIN32
 119 #define READER 0
 120 #define WRITER 1
 121
 122 #define MBOX_EVENT 0   /* mboc is ready to be read */
 123 #define TERM_EVENT 1   /* termination event */
 124 #define WAKE_EVENT 2   /* notification of child Fserver dieing */
 125
 126 typedef struct _fcgi_pm_job {
 127     char id;
 128     char *fs_path;
 129     char *user;
 130     char * group;
 131     unsigned long qsec;
 132     unsigned long start_time;
 133     struct _fcgi_pm_job *next;
 134 } fcgi_pm_job;
 135 #endif
 136
 137 enum process_state {
 138     FCGI_RUNNING_STATE,             /* currently running */
 139     FCGI_START_STATE,               /* needs to be started by PM */
 140     FCGI_VICTIM_STATE,              /* SIGTERM was sent by PM */
 141     FCGI_KILLED_STATE,              /* a wait() collected VICTIM */
 142     FCGI_READY_STATE                /* empty cell, init state */
 143 };
 144
 145 /*
 146  * ServerProcess holds data for each process associated with
 147  * a class.  It is embedded in fcgi_server below.
 148  */
 149 typedef struct _FcgiProcessInfo {
 150 #ifdef WIN32
 151     HANDLE handle;                   /* process handle */
 152     HANDLE terminationEvent;         /* Event used to signal process termination */
 153 #endif
 154     pid_t pid;                       /* pid of associated process */
 155     enum process_state state;        /* state of the process */
 156     time_t start_time;               /* time the process was started */
 157 } ServerProcess;
 158
 159 /*
 160  * fcgi_server holds info for each AppClass specified in this
 161  * Web server's configuration.
 162  */
 163 typedef struct _FastCgiServerInfo {
 164     int flush;
 165     char *fs_path;                  /* pathname of executable */
 166     array_header *pass_headers;     /* names of headers to pass in the env */
 167     u_int idle_timeout;             /* fs idle secs allowed before aborting */
 168     char **envp;                    /* if NOT NULL, this is the env to send
 169                                      * to the fcgi app when starting a server
 170                                      * managed app. */
 171     u_int listenQueueDepth;         /* size of listen queue for IPC */
 172     u_int appConnectTimeout;        /* timeout (sec) for connect() requests */
 173     u_int numProcesses;             /* max allowed processes of this class,
 174                                      * or for dynamic apps, the number of
 175                                      * processes actually running */
 176     time_t startTime;               /* the time the application was started */
 177     time_t restartTime;             /* most recent time when the process
 178                                      * manager started a process in this
 179                                      * class. */
 180     int initStartDelay;             /* min number of seconds to wait between
 181                                      * starting of AppClass processes at init */
 182     u_int restartDelay;             /* number of seconds to wait between
 183                                      * restarts after failure.  Can be zero. */
 184     u_int minServerLife;            /* minimum number of seconds a server must
 185                                      * live before it's considered borked. */
 186     int restartOnExit;              /* = TRUE = restart. else terminate/free */
 187     u_int numFailures;              /* num restarts due to exit failure */
 188     int bad;                        /* is [not] having start problems */
 189     struct sockaddr *socket_addr;   /* Socket Address of FCGI app server class */
 190 #ifdef WIN32
 191     struct sockaddr *dest_addr;     /* for local apps on NT need socket address */
 192                                     /* bound to localhost */
 193     const char *mutex_env_string;   /* string holding the accept mutex handle */
 194 #endif
 195     int socket_addr_len;            /* Length of socket */
 196     enum {APP_CLASS_UNKNOWN,
 197           APP_CLASS_STANDARD,
 198           APP_CLASS_EXTERNAL,
 199           APP_CLASS_DYNAMIC}
 200          directive;                 /* AppClass or ExternalAppClass */
 201     const char *socket_path;        /* Name used to create a socket */
 202     const char *host;               /* Hostname for externally managed
 203                                      * FastCGI application processes */
 204     unsigned short port;            /* Port number either for externally
 205                                      * managed FastCGI applications or for
 206                                      * server managed FastCGI applications,
 207                                      * where server became application mngr. */
 208     int listenFd;                   /* Listener socket of FCGI app server
 209                                      * class.  Passed to app server process
 210                                      * at process creation. */
 211     u_int processPriority;          /* If locally server managed process,
 212                                      * this is the priority to run the
 213                                      * processes in this class at. */
 214     struct _FcgiProcessInfo *procs; /* Pointer to array of
 215                                      * processes belonging to this class. */
 216     int keepConnection;             /* = 1 = maintain connection to app. */
 217     uid_t uid;                      /* uid this app should run as (suexec) */
 218     gid_t gid;                      /* gid this app should run as (suexec) */
 219     const char *username;           /* suexec user arg */
 220     const char *group;              /* suexec group arg, AND used in comm
 221                                      * between RH and PM */
 222     const char *user;               /* used in comm between RH and PM */
 223     /* Dynamic FastCGI apps configuration parameters */
 224     u_long totalConnTime;           /* microseconds spent by the web server
 225                                      * waiting while fastcgi app performs
 226                                      * request processing since the last
 227                                      * dynamicUpdateInterval */
 228     u_long smoothConnTime;          /* exponentially decayed values of the
 229                                      * connection times. */
 230     u_long totalQueueTime;          /* microseconds spent by the web server
 231                                      * waiting to connect to the fastcgi app
 232                                      * since the last dynamicUpdateInterval. */
 233     struct _FastCgiServerInfo *next;
 234 } fcgi_server;
 235
 236
 237 /*
 238  * fcgi_request holds the state of a particular FastCGI request.
 239  */
 240 typedef struct {
 241 #ifdef WIN32
 242     SOCKET fd;
 243 #else
 244     int fd;                         /* connection to FastCGI server */
 245 #endif
 246     int gotHeader;                  /* TRUE if reading content bytes */
 247     unsigned char packetType;       /* type of packet */
 248     int dataLen;                    /* length of data bytes */
 249     int paddingLen;                 /* record padding after content */
 250     fcgi_server *fs;                /* FastCGI server info */
 251     const char *fs_path;         /* fcgi_server path */
 252     Buffer *serverInputBuffer;   /* input buffer from FastCgi server */
 253     Buffer *serverOutputBuffer;  /* output buffer to FastCgi server */
 254     Buffer *clientInputBuffer;   /* client input buffer */
 255     Buffer *clientOutputBuffer;  /* client output buffer */
 256     table *authHeaders;          /* headers received from an auth fs */
 257     int auth_compat;             /* whether the auth request is spec compat */
 258     table *saved_subprocess_env; /* subprocess_env before auth handling */
 259     int expectingClientContent;     /* >0 => more content, <=0 => no more */
 260     array_header *header;
 261     char *fs_stderr;
 262     int fs_stderr_len;
 263     int parseHeader;                /* TRUE iff parsing response headers */
 264     request_rec *r;
 265     int readingEndRequestBody;
 266     FCGI_EndRequestBody endRequestBody;
 267     Buffer *erBufPtr;
 268     int exitStatus;
 269     int exitStatusSet;
 270     unsigned int requestId;
 271     int eofSent;
 272     int role;                       /* FastCGI Role: Authorizer or Responder */
 273     int dynamic;                    /* whether or not this is a dynamic app */
 274     struct timeval startTime;       /* dynamic app's connect() attempt start time */
 275     struct timeval queueTime;       /* dynamic app's connect() complete time */
 276     struct timeval completeTime;    /* dynamic app's connection close() time */
 277     int keepReadingFromFcgiApp;     /* still more to read from fcgi app? */
 278     const char *user;               /* user used to invoke app (suexec) */
 279     const char *group;              /* group used to invoke app (suexec) */
 280 #ifdef WIN32
 281     BOOL using_npipe_io;             /* named pipe io */
 282 #endif
 283 } fcgi_request;
 284
 285 /* Values of parseHeader field */
 286 #define SCAN_CGI_READING_HEADERS 1
 287 #define SCAN_CGI_FINISHED        0
 288 #define SCAN_CGI_BAD_HEADER     -1
 289 #define SCAN_CGI_INT_REDIRECT   -2
 290 #define SCAN_CGI_SRV_REDIRECT   -3
 291
 292 /* Opcodes for Server->ProcMgr communication */
 293 #define FCGI_SERVER_START_JOB     83        /* 'S' - start */
 294 #define FCGI_SERVER_RESTART_JOB   82        /* 'R' - restart */
 295 #define FCGI_REQUEST_TIMEOUT_JOB  84        /* 'T' - timeout */
 296 #define FCGI_REQUEST_COMPLETE_JOB 67        /* 'C' - complete */
 297
 298 /* Authorizer types, for auth directives handling */
 299 #define FCGI_AUTH_TYPE_AUTHENTICATOR  0
 300 #define FCGI_AUTH_TYPE_AUTHORIZER     1
 301 #define FCGI_AUTH_TYPE_ACCESS_CHECKER 2
 302
 303 /* Bits for auth_options */
 304 #define FCGI_AUTHORITATIVE 1
 305 #define FCGI_COMPAT 2
 306
 307 typedef struct
 308 {
 309     const char *authorizer;
 310     u_char authorizer_options;
 311     const char *authenticator;
 312     u_char authenticator_options;
 313     const char *access_checker;
 314     u_char access_checker_options;
 315 } fcgi_dir_config;
 316
 317 #define FCGI_OK     0
 318 #define FCGI_FAILED 1
 319
 320 #ifdef APACHE2
 321
 322 #ifdef WIN32
 323 #define FCGI_LOG_EMERG          __FILE__,__LINE__,APLOG_EMERG,APR_FROM_OS_ERROR(GetLastError())
 324 #define FCGI_LOG_ALERT          __FILE__,__LINE__,APLOG_ALERT,APR_FROM_OS_ERROR(GetLastError())
 325 #define FCGI_LOG_CRIT           __FILE__,__LINE__,APLOG_CRIT,APR_FROM_OS_ERROR(GetLastError())
 326 #define FCGI_LOG_ERR            __FILE__,__LINE__,APLOG_ERR,APR_FROM_OS_ERROR(GetLastError())
 327 #define FCGI_LOG_WARN           __FILE__,__LINE__,APLOG_WARNING,APR_FROM_OS_ERROR(GetLastError())
 328 #define FCGI_LOG_NOTICE         __FILE__,__LINE__,APLOG_NOTICE,APR_FROM_OS_ERROR(GetLastError())
 329 #define FCGI_LOG_INFO           __FILE__,__LINE__,APLOG_INFO,APR_FROM_OS_ERROR(GetLastError())
 330 #define FCGI_LOG_DEBUG          __FILE__,__LINE__,APLOG_DEBUG,APR_FROM_OS_ERROR(GetLastError())
 331 #else /* !WIN32 */
 332 #define FCGI_LOG_EMERG          __FILE__,__LINE__,APLOG_EMERG,APR_FROM_OS_ERROR(errno)
 333 #define FCGI_LOG_ALERT          __FILE__,__LINE__,APLOG_ALERT,APR_FROM_OS_ERROR(errno)
 334 #define FCGI_LOG_CRIT           __FILE__,__LINE__,APLOG_CRIT,APR_FROM_OS_ERROR(errno)
 335 #define FCGI_LOG_ERR            __FILE__,__LINE__,APLOG_ERR,APR_FROM_OS_ERROR(errno)
 336 #define FCGI_LOG_WARN           __FILE__,__LINE__,APLOG_WARNING,APR_FROM_OS_ERROR(errno)
 337 #define FCGI_LOG_NOTICE         __FILE__,__LINE__,APLOG_NOTICE,APR_FROM_OS_ERROR(errno)
 338 #define FCGI_LOG_INFO           __FILE__,__LINE__,APLOG_INFO,APR_FROM_OS_ERROR(errno)
 339 #define FCGI_LOG_DEBUG          __FILE__,__LINE__,APLOG_DEBUG,APR_FROM_OS_ERROR(errno)
 340 #endif
 341
 342 #define FCGI_LOG_EMERG_ERRNO    __FILE__,__LINE__,APLOG_EMERG,APR_FROM_OS_ERROR(errno)
 343 #define FCGI_LOG_ALERT_ERRNO    __FILE__,__LINE__,APLOG_ALERT,APR_FROM_OS_ERROR(errno)
 344 #define FCGI_LOG_CRIT_ERRNO     __FILE__,__LINE__,APLOG_CRIT,APR_FROM_OS_ERROR(errno)
 345 #define FCGI_LOG_ERR_ERRNO      __FILE__,__LINE__,APLOG_ERR,APR_FROM_OS_ERROR(errno)
 346 #define FCGI_LOG_WARN_ERRNO     __FILE__,__LINE__,APLOG_WARNING,APR_FROM_OS_ERROR(errno)
 347 #define FCGI_LOG_NOTICE_ERRNO   __FILE__,__LINE__,APLOG_NOTICE,APR_FROM_OS_ERROR(errno)
 348 #define FCGI_LOG_INFO_ERRNO     __FILE__,__LINE__,APLOG_INFO,APR_FROM_OS_ERROR(errno)
 349 #define FCGI_LOG_DEBUG_ERRNO    __FILE__,__LINE__,APLOG_DEBUG,APR_FROM_OS_ERROR(errno)
 350
 351 #define FCGI_LOG_EMERG_NOERRNO    __FILE__,__LINE__,APLOG_EMERG,0
 352 #define FCGI_LOG_ALERT_NOERRNO    __FILE__,__LINE__,APLOG_ALERT,0
 353 #define FCGI_LOG_CRIT_NOERRNO     __FILE__,__LINE__,APLOG_CRIT,0
 354 #define FCGI_LOG_ERR_NOERRNO      __FILE__,__LINE__,APLOG_ERR,0
 355 #define FCGI_LOG_WARN_NOERRNO     __FILE__,__LINE__,APLOG_WARNING,0
 356 #define FCGI_LOG_NOTICE_NOERRNO   __FILE__,__LINE__,APLOG_NOTICE,0
 357 #define FCGI_LOG_INFO_NOERRNO     __FILE__,__LINE__,APLOG_INFO,0
 358 #define FCGI_LOG_DEBUG_NOERRNO    __FILE__,__LINE__,APLOG_DEBUG,0
 359
 360 #else /* !APACHE2 */
 361
 362 #ifdef WIN32
 363 #define FCGI_LOG_EMERG          __FILE__,__LINE__,APLOG_EMERG|APLOG_WIN32ERROR
 364 #define FCGI_LOG_ALERT          __FILE__,__LINE__,APLOG_ALERT|APLOG_WIN32ERROR
 365 #define FCGI_LOG_CRIT           __FILE__,__LINE__,APLOG_CRIT|APLOG_WIN32ERROR
 366 #define FCGI_LOG_ERR            __FILE__,__LINE__,APLOG_ERR|APLOG_WIN32ERROR
 367 #define FCGI_LOG_WARN           __FILE__,__LINE__,APLOG_WARNING|APLOG_WIN32ERROR
 368 #define FCGI_LOG_NOTICE         __FILE__,__LINE__,APLOG_NOTICE|APLOG_WIN32ERROR
 369 #define FCGI_LOG_INFO           __FILE__,__LINE__,APLOG_INFO|APLOG_WIN32ERROR
 370 #define FCGI_LOG_DEBUG          __FILE__,__LINE__,APLOG_DEBUG|APLOG_WIN32ERROR
 371 #else /* !WIN32 */
 372 #define FCGI_LOG_EMERG          __FILE__,__LINE__,APLOG_EMERG
 373 #define FCGI_LOG_ALERT          __FILE__,__LINE__,APLOG_ALERT
 374 #define FCGI_LOG_CRIT           __FILE__,__LINE__,APLOG_CRIT
 375 #define FCGI_LOG_ERR            __FILE__,__LINE__,APLOG_ERR
 376 #define FCGI_LOG_WARN           __FILE__,__LINE__,APLOG_WARNING
 377 #define FCGI_LOG_NOTICE         __FILE__,__LINE__,APLOG_NOTICE
 378 #define FCGI_LOG_INFO           __FILE__,__LINE__,APLOG_INFO
 379 #define FCGI_LOG_DEBUG          __FILE__,__LINE__,APLOG_DEBUG
 380 #endif
 381
 382 #define FCGI_LOG_EMERG_ERRNO    __FILE__,__LINE__,APLOG_EMERG     /* system is unusable */
 383 #define FCGI_LOG_ALERT_ERRNO    __FILE__,__LINE__,APLOG_ALERT     /* action must be taken immediately */
 384 #define FCGI_LOG_CRIT_ERRNO     __FILE__,__LINE__,APLOG_CRIT      /* critical conditions */
 385 #define FCGI_LOG_ERR_ERRNO      __FILE__,__LINE__,APLOG_ERR       /* error conditions */
 386 #define FCGI_LOG_WARN_ERRNO     __FILE__,__LINE__,APLOG_WARNING   /* warning conditions */
 387 #define FCGI_LOG_NOTICE_ERRNO   __FILE__,__LINE__,APLOG_NOTICE    /* normal but significant condition */
 388 #define FCGI_LOG_INFO_ERRNO     __FILE__,__LINE__,APLOG_INFO      /* informational */
 389 #define FCGI_LOG_DEBUG_ERRNO    __FILE__,__LINE__,APLOG_DEBUG     /* debug-level messages */
 390
 391 #define FCGI_LOG_EMERG_NOERRNO    __FILE__,__LINE__,APLOG_EMERG|APLOG_NOERRNO
 392 #define FCGI_LOG_ALERT_NOERRNO    __FILE__,__LINE__,APLOG_ALERT|APLOG_NOERRNO
 393 #define FCGI_LOG_CRIT_NOERRNO     __FILE__,__LINE__,APLOG_CRIT|APLOG_NOERRNO
 394 #define FCGI_LOG_ERR_NOERRNO      __FILE__,__LINE__,APLOG_ERR|APLOG_NOERRNO
 395 #define FCGI_LOG_WARN_NOERRNO     __FILE__,__LINE__,APLOG_WARNING|APLOG_NOERRNO
 396 #define FCGI_LOG_NOTICE_NOERRNO   __FILE__,__LINE__,APLOG_NOTICE|APLOG_NOERRNO
 397 #define FCGI_LOG_INFO_NOERRNO     __FILE__,__LINE__,APLOG_INFO|APLOG_NOERRNO
 398 #define FCGI_LOG_DEBUG_NOERRNO    __FILE__,__LINE__,APLOG_DEBUG|APLOG_NOERRNO
 399
 400 #endif /* !APACHE2 */
 401
 402 #ifdef FCGI_DEBUG
 403 #define FCGIDBG1(a)              ap_log_error(FCGI_LOG_DEBUG,fcgi_apache_main_server,a);
 404 #define FCGIDBG2(a,b)            ap_log_error(FCGI_LOG_DEBUG,fcgi_apache_main_server,a,b);
 405 #define FCGIDBG3(a,b,c)          ap_log_error(FCGI_LOG_DEBUG,fcgi_apache_main_server,a,b,c);
 406 #define FCGIDBG4(a,b,c,d)        ap_log_error(FCGI_LOG_DEBUG,fcgi_apache_main_server,a,b,c,d);
 407 #define FCGIDBG5(a,b,c,d,e)      ap_log_error(FCGI_LOG_DEBUG,fcgi_apache_main_server,a,b,c,d,e);
 408 #define FCGIDBG6(a,b,c,d,e,f)    ap_log_error(FCGI_LOG_DEBUG,fcgi_apache_main_server,a,b,c,d,e,f);
 409 #define FCGIDBG7(a,b,c,d,e,f,g)  ap_log_error(FCGI_LOG_DEBUG,fcgi_apache_main_server,a,b,c,d,e,f,g);
 410 #else
 411 #define FCGIDBG1(a)
 412 #define FCGIDBG2(a,b)
 413 #define FCGIDBG3(a,b,c)
 414 #define FCGIDBG4(a,b,c,d)
 415 #define FCGIDBG5(a,b,c,d,e)
 416 #define FCGIDBG6(a,b,c,d,e,f)
 417 #define FCGIDBG7(a,b,c,d,e,f,g)
 418 #endif
 419
 420 /*
 421  * Holds the status of the sending of the environment.
 422  * A quick hack to dump the static vars for the NT port.
 423  */
 424 typedef struct {
 425     enum { PREP, HEADER, NAME, VALUE } pass;
 426     char **envp;
 427     int headerLen, nameLen, valueLen, totalLen;
 428     char *equalPtr;
 429     unsigned char headerBuff[8];
 430 } env_status;
 431
 432 /*
 433  * fcgi_config.c
 434  */
 435 void *fcgi_config_create_dir_config(pool *p, char *dummy);
 436 const char *fcgi_config_make_dir(pool *tp, char *path);
 437 const char *fcgi_config_make_dynamic_dir(pool *p, const int wax);
 438 const char *fcgi_config_new_static_server(cmd_parms *cmd, void *dummy, const char *arg);
 439 const char *fcgi_config_new_external_server(cmd_parms *cmd, void *dummy, const char *arg);
 440 const char *fcgi_config_set_config(cmd_parms *cmd, void *dummy, const char *arg);
 441 const char *fcgi_config_set_fcgi_uid_n_gid(int set);
 442
 443 const char *fcgi_config_new_auth_server(cmd_parms * cmd,
 444     void *dir_config, const char *fs_path, const char * compat);
 445
 446 const char *fcgi_config_set_authoritative_slot(cmd_parms * cmd,
 447     void * dir_config, int arg);
 448 const char *fcgi_config_set_socket_dir(cmd_parms *cmd, void *dummy, const char *arg);
 449 const char *fcgi_config_set_wrapper(cmd_parms *cmd, void *dummy, const char *arg);
 450 apcb_t fcgi_config_reset_globals(void * dummy);
 451 const char *fcgi_config_set_env_var(pool *p, char **envp, unsigned int *envc, char * var);
 452
 453 /*
 454  * fcgi_pm.c
 455  */
 456 #if defined(WIN32) || defined(APACHE2)
 457 void fcgi_pm_main(void *dummy);
 458 #else
 459 int fcgi_pm_main(void *dummy, child_info *info);
 460 #endif
 461
 462 /*
 463  * fcgi_protocol.c
 464  */
 465 void fcgi_protocol_queue_begin_request(fcgi_request *fr);
 466 void fcgi_protocol_queue_client_buffer(fcgi_request *fr);
 467 int fcgi_protocol_queue_env(request_rec *r, fcgi_request *fr, env_status *env);
 468 int fcgi_protocol_dequeue(pool *p, fcgi_request *fr);
 469
 470 /*
 471  * fcgi_buf.c
 472  */
 473 #define BufferLength(b)     ((b)->length)
 474 #define BufferFree(b)       ((b)->size - (b)->length)
 475
 476 void fcgi_buf_reset(Buffer *bufPtr);
 477 Buffer *fcgi_buf_new(pool *p, int size);
 478
 479 #ifndef WIN32
 480 typedef int SOCKET;
 481 #endif
 482
 483 int fcgi_buf_socket_recv(Buffer *b, SOCKET socket);
 484 int fcgi_buf_socket_send(Buffer *b, SOCKET socket);
 485
 486 void fcgi_buf_added(Buffer * const b, const unsigned int len);
 487 void fcgi_buf_removed(Buffer * const b, unsigned int len);
 488 void fcgi_buf_get_block_info(Buffer *bufPtr, char **beginPtr, int *countPtr);
 489 void fcgi_buf_toss(Buffer *bufPtr, int count);
 490 void fcgi_buf_get_free_block_info(Buffer *bufPtr, char **endPtr, int *countPtr);
 491 void fcgi_buf_add_update(Buffer *bufPtr, int count);
 492 int fcgi_buf_add_block(Buffer *bufPtr, char *data, int datalen);
 493 int fcgi_buf_add_string(Buffer *bufPtr, char *str);
 494 int fcgi_buf_get_to_block(Buffer *bufPtr, char *data, int datalen);
 495 void fcgi_buf_get_to_buf(Buffer *toPtr, Buffer *fromPtr, int len);
 496 void fcgi_buf_get_to_array(Buffer *buf, array_header *arr, int len);
 497
 498 /*
 499  * fcgi_util.c
 500  */
 501
 502 char *fcgi_util_socket_hash_filename(pool *p, const char *path,
 503     const char *user, const char *group);
 504 const char *fcgi_util_socket_make_path_absolute(pool * const p,
 505     const char *const file, const int dynamic);
 506 #ifndef WIN32
 507 const char *fcgi_util_socket_make_domain_addr(pool *p, struct sockaddr_un **socket_addr,
 508     int *socket_addr_len, const char *socket_path);
 509 #endif
 510 const char *fcgi_util_socket_make_inet_addr(pool *p, struct sockaddr_in **socket_addr,
 511     int *socket_addr_len, const char *host, unsigned short port);
 512 const char *fcgi_util_check_access(pool *tp,
 513     const char * const path, const struct stat *statBuf,
 514     const int mode, const uid_t uid, const gid_t gid);
 515 fcgi_server *fcgi_util_fs_get_by_id(const char *ePath, uid_t uid, gid_t gid);
 516 fcgi_server *fcgi_util_fs_get(const char *ePath, const char *user, const char *group);
 517 const char *fcgi_util_fs_is_path_ok(pool * const p, const char * const fs_path, struct stat *finfo);
 518 fcgi_server *fcgi_util_fs_new(pool *p);
 519 void fcgi_util_fs_add(fcgi_server *s);
 520 const char *fcgi_util_fs_set_uid_n_gid(pool *p, fcgi_server *s, uid_t uid, gid_t gid);
 521 ServerProcess *fcgi_util_fs_create_procs(pool *p, int num);
 522
 523 int fcgi_util_ticks(struct timeval *);
 524
 525 #ifdef WIN32
 526 int fcgi_pm_add_job(fcgi_pm_job *new_job);
 527 #endif
 528
 529 uid_t fcgi_util_get_server_uid(const server_rec * const s);
 530 gid_t fcgi_util_get_server_gid(const server_rec * const s);
 531
 532 /*
 533  * Globals
 534  */
 535
 536 extern pool *fcgi_config_pool;
 537
 538 extern server_rec *fcgi_apache_main_server;
 539
 540 extern const char *fcgi_wrapper;                 /* wrapper path */
 541 extern uid_t fcgi_user_id;                       /* the run uid of Apache & PM */
 542 extern gid_t fcgi_group_id;                      /* the run gid of Apache & PM */
 543
 544 extern fcgi_server *fcgi_servers;
 545
 546 extern char *fcgi_socket_dir;             /* default FastCgiIpcDir */
 547
 548 /* pipe used for comm between the request handlers and the PM */
 549 extern int fcgi_pm_pipe[];
 550
 551 extern pid_t fcgi_pm_pid;
 552
 553 extern char *fcgi_dynamic_dir;            /* directory for the dynamic
 554                                            * fastcgi apps' sockets */
 555
 556 extern char *fcgi_empty_env;
 557
 558 extern int fcgi_dynamic_total_proc_count;
 559 extern time_t fcgi_dynamic_epoch;
 560 extern time_t fcgi_dynamic_last_analyzed;
 561
 562 #ifdef WIN32
 563 extern HANDLE *fcgi_dynamic_mbox_mutex;
 564 extern HANDLE fcgi_event_handles[3];
 565 extern fcgi_pm_job *fcgi_dynamic_mbox;
 566 #endif
 567
 568 extern u_int dynamicMaxProcs;
 569 extern int dynamicMinProcs;
 570 extern int dynamicMaxClassProcs;
 571 extern u_int dynamicKillInterval;
 572 extern u_int dynamicUpdateInterval;
 573 extern float dynamicGain;
 574 extern int dynamicThreshold1;
 575 extern int dynamicThresholdN;
 576 extern u_int dynamicPleaseStartDelay;
 577 extern u_int dynamicAppConnectTimeout;
 578 extern char **dynamicEnvp;
 579 extern u_int dynamicProcessSlack;
 580 extern int dynamicAutoRestart;
 581 extern int dynamicAutoUpdate;
 582 extern u_int dynamicListenQueueDepth;
 583 extern u_int dynamicInitStartDelay;
 584 extern u_int dynamicRestartDelay;
 585 extern array_header *dynamic_pass_headers;
 586 extern u_int dynamic_idle_timeout;
 587 extern int dynamicMinServerLife;
 588 extern int dynamicFlush;
 589
 590
 591 extern module MODULE_VAR_EXPORT fastcgi_module;
 592
 593 #endif  /* FCGI_H */
 594