Annotation of parser3/src/targets/apache13/mod_parser3.C, revision 1.29

1.1       parser      1: /** @file
1.29    ! paf         2: Parser: apache 1.3 module, part, compiled by Apache.
1.1       parser      3: 
1.29    ! paf         4:        Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
1.17      paf         5:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.25      paf         6: */
1.1       parser      7: 
1.29    ! paf         8: static const char* IDENT_MOD_PARSER3_C="$Date: 2003/07/23 13:38:29 $";
1.18      paf         9: 
1.1       parser     10: #include "httpd.h"
                     11: #include "http_config.h"
                     12: #include "http_core.h"
                     13: #include "http_log.h"
                     14: #include "http_main.h"
                     15: #include "http_protocol.h"
                     16: #include "util_script.h"
1.29    ! paf        17: #include "ap_md5.h"
        !            18: #include "ap_alloc.h"
1.1       parser     19: 
1.29    ! paf        20: #include "pa_httpd.h"
1.1       parser     21: 
                     22: /*
1.29    ! paf        23: * Declare ourselves so the configuration routines can find and know us.
        !            24: * We'll fill it in at the end of the module.
        !            25: */
        !            26: extern module MODULE_VAR_EXPORT parser3_module;
1.1       parser     27: 
                     28: /*
1.29    ! paf        29: * Locate our directory configuration record for the current request.
        !            30: */
1.1       parser     31: static Parser_module_config *our_dconfig(request_rec *r) {
1.29    ! paf        32:        return (Parser_module_config *) 
1.9       paf        33:                ap_get_module_config(r->per_dir_config, &parser3_module);
1.1       parser     34: }
                     35: 
1.29    ! paf        36: static const char* cmd_parser_config(cmd_parms *cmd, void *mconfig, char *file_spec) {
        !            37:        Parser_module_config *cfg = (Parser_module_config *) mconfig;
        !            38:        
1.1       parser     39:        // remember assigned filespec into cfg
1.22      paf        40:        cfg->parser_config_filespec=file_spec;
1.29    ! paf        41:        
        !            42:        return NULL;
1.1       parser     43: }
1.29    ! paf        44: static const char* cmd_parser_status_allowed(cmd_parms *cmd, void *mconfig, char *file_spec) {
1.9       paf        45:        //_asm int 3;
1.29    ! paf        46:        Parser_module_config *cfg = (Parser_module_config *) mconfig;
        !            47:        
        !            48:        cfg->parser_status_allowed=1;
        !            49:        
        !            50:        return NULL;
1.9       paf        51: }
1.1       parser     52: 
                     53: 
                     54: /*--------------------------------------------------------------------------*/
                     55: /*                                                                          */
                     56: /* Now we declare our content handlers, which are invoked when the server   */
                     57: /* encounters a document which our module is supposed to have a chance to   */
                     58: /* see.  (See mod_mime's SetHandler and AddHandler directives, and the      */
                     59: /* mod_info and mod_status examples, for more details.)                     */
                     60: /*                                                                          */
                     61: /* Since content handlers are dumping data directly into the connexion      */
                     62: /* (using the r*() routines, such as rputs() and rprintf()) without         */
                     63: /* intervention by other parts of the server, they need to make             */
                     64: /* sure any accumulated HTTP headers are sent first.  This is done by       */
                     65: /* calling send_http_header().  Otherwise, no header will be sent at all,   */
                     66: /* and the output sent to the client will actually be HTTP-uncompliant.     */
                     67: /*--------------------------------------------------------------------------*/
                     68: /* 
1.29    ! paf        69: * Sample content handler.  All this does is display the call list that has
        !            70: * been built up so far.
        !            71: *
        !            72: * The return value instructs the caller concerning what happened and what to
        !            73: * do next:
        !            74: *  OK ("we did our thing")
        !            75: *  DECLINED ("this isn't something with which we want to get involved")
        !            76: *  HTTP_mumble ("an error status should be reported")
        !            77: */
1.10      paf        78: 
                     79: 
1.1       parser     80: /*--------------------------------------------------------------------------*/
                     81: /*                                                                          */
                     82: /* Now let's declare routines for each of the callback phase in order.      */
                     83: /* (That's the order in which they're listed in the callback list, *not     */
                     84: /* the order in which the server calls them!  See the command_rec           */
                     85: /* declaration near the bottom of this file.)  Note that these may be       */
                     86: /* called for situations that don't relate primarily to our function - in   */
                     87: /* other words, the fixup handler shouldn't assume that the request has     */
                     88: /* to do with "example" stuff.                                              */
                     89: /*                                                                          */
                     90: /* With the exception of the content handler, all of our routines will be   */
                     91: /* called for each request, unless an earlier handler from another module   */
                     92: /* aborted the sequence.                                                    */
                     93: /*                                                                          */
                     94: /* Handlers that are declared as "int" can return the following:            */
                     95: /*                                                                          */
                     96: /*  OK          Handler accepted the request and did its thing with it.     */
                     97: /*  DECLINED    Handler took no action.                                     */
                     98: /*  HTTP_mumble Handler looked at request and found it wanting.             */
                     99: /*                                                                          */
                    100: /* What the server does after calling a module handler depends upon the     */
                    101: /* handler's return value.  In all cases, if the handler returns            */
                    102: /* DECLINED, the server will continue to the next module with an handler    */
                    103: /* for the current phase.  However, if the handler return a non-OK,         */
                    104: /* non-DECLINED status, the server aborts the request right there.  If      */
                    105: /* the handler returns OK, the server's next action is phase-specific;      */
                    106: /* see the individual handler comments below for details.                   */
                    107: /*                                                                          */
                    108: /*--------------------------------------------------------------------------*/
1.10      paf       109: 
1.29    ! paf       110: static int parser_handler(request_rec *ar) {
        !           111:        // record clone
        !           112:        pa_request_rec lr={
        !           113:                ar,
        !           114:                ar->pool,
        !           115:                ar->header_only,
        !           116:                ar->status,
        !           117:                ar->method,
        !           118:                ar->headers_out,
        !           119:                ar->subprocess_env,
        !           120:                ar->content_type,
        !           121:                ar->uri,
        !           122:                ar->filename,
        !           123:                ar->path_info,
        !           124:                ar->args,
        !           125:                &ar->finfo
        !           126:        };
1.10      paf       127: 
1.29    ! paf       128:        // config
        !           129:        Parser_module_config *dcfg=our_dconfig(ar);
        !           130:        
        !           131:        return pa_parser_handler(&lr, dcfg);
        !           132: }
1.1       parser    133: 
1.29    ! paf       134: /* 
        !           135: * This function is called during server initialisation.  Any information
        !           136: * that needs to be recorded must be in static cells, since there's no
        !           137: * configuration record.
        !           138: *
        !           139: * There is no return value.
        !           140: */
1.1       parser    141: 
                    142: static void parser_server_init(server_rec *s, pool *p) {
                    143: #if MODULE_MAGIC_NUMBER >= 19980527
1.29    ! paf       144:        ap_add_version_component(pa_version());
1.1       parser    145: #endif 
1.29    ! paf       146:        
        !           147:        /*
        !           148:        * Set up any module cells that ought to be initialised.
        !           149:        */
        !           150:        pa_setup_module_cells();
1.1       parser    151: }
                    152: 
                    153: /*
1.29    ! paf       154: * This function gets called to create a per-directory configuration
        !           155: * record.  This will be called for the "default" server environment, and for
        !           156: * each directory for which the parser finds any of our directives applicable.
        !           157: * If a directory doesn't have any of our directives involved (i.e., they
        !           158: * aren't in the .htaccess file, or a <Location>, <Directory>, or related
        !           159: * block), this routine will *not* be called - the configuration for the
        !           160: * closest ancestor is used.
        !           161: *
        !           162: * The return value is a pointer to the created module-specific
        !           163: * structure.
        !           164: */
1.1       parser    165: static void *parser_create_dir_config(pool *p, char *dirspec) {
1.13      paf       166:        //_asm int 3;
1.1       parser    167:        /*
1.29    ! paf       168:        * Allocate the space for our record from the pool supplied.
        !           169:        */
        !           170:        Parser_module_config *cfg=
1.1       parser    171:                (Parser_module_config *) ap_pcalloc(p, sizeof(Parser_module_config));
1.29    ! paf       172:                /*
        !           173:                * Now fill in the defaults.  If there are any `parent' configuration
        !           174:                * records, they'll get merged as part of a separate callback.
        !           175:        */
        !           176:        
        !           177:        return (void *) cfg;
1.1       parser    178: }
                    179: 
                    180: /*
1.29    ! paf       181: * This function gets called to merge two per-directory configuration
        !           182: * records.  This is typically done to cope with things like .htaccess files
        !           183: * or <Location> directives for directories that are beneath one for which a
        !           184: * configuration record was already created.  The routine has the
        !           185: * responsibility of creating a new record and merging the contents of the
        !           186: * other two into it appropriately.  If the module doesn't declare a merge
        !           187: * routine, the record for the closest ancestor location (that has one) is
        !           188: * used exclusively.
        !           189: *
        !           190: * The routine MUST NOT modify any of its arguments!
        !           191: *
        !           192: * The return value is a pointer to the created module-specific structure
        !           193: * containing the merged values.
1.13      paf       194: 
1.29    ! paf       195:  20011126 paf: noticed, that this is called even on virtual root merge with something "parent",
        !           196:  while thought that that is part of merge_server...
        !           197:  
        !           198: */
1.1       parser    199: static void *parser_merge_dir_config(pool *p, void *parent_conf,
1.29    ! paf       200:                                     void *newloc_conf) {
1.13      paf       201:        //_asm int 3;
1.29    ! paf       202:        Parser_module_config *merged_config = 
1.1       parser    203:                (Parser_module_config *) ap_pcalloc(p, sizeof(Parser_module_config));
1.29    ! paf       204:        Parser_module_config *pconf = (Parser_module_config *) parent_conf;
        !           205:        Parser_module_config *nconf = (Parser_module_config *) newloc_conf;
        !           206:        
        !           207:        merged_config->parser_config_filespec = ap_pstrdup(p, nconf->parser_config_filespec?
1.22      paf       208:                nconf->parser_config_filespec:pconf->parser_config_filespec);
1.9       paf       209:        merged_config->parser_status_allowed=
                    210:                pconf->parser_status_allowed ||
                    211:                nconf->parser_status_allowed;
1.29    ! paf       212:        
        !           213:                /*
        !           214:                * Some things get copied directly from the more-specific record, rather
        !           215:                * than getting merged.
        !           216:        */
        !           217:        
        !           218:        return (void *) merged_config;
1.1       parser    219: }
                    220: 
                    221: /*
1.29    ! paf       222: * This function gets called to create a per-server configuration
        !           223: * record.  It will always be called for the "default" server.
        !           224: *
        !           225: * The return value is a pointer to the created module-specific
        !           226: * structure.
        !           227: */
1.1       parser    228: static void *parser_create_server_config(pool *p, server_rec *s) {
1.13      paf       229:        //_asm int 3;
1.29    ! paf       230:        /*
        !           231:        * As with the parser_create_dir_config() routine, we allocate and fill
        !           232:        * in an empty record.
        !           233:        */
        !           234:        Parser_module_config *cfg=
1.1       parser    235:                (Parser_module_config *) ap_pcalloc(p, sizeof(Parser_module_config));
1.29    ! paf       236:        
        !           237:        return (void *) cfg;
1.1       parser    238: }
                    239: 
                    240: /*
1.29    ! paf       241: * This function gets called to merge two per-server configuration
        !           242: * records.  This is typically done to cope with things like virtual hosts and
        !           243: * the default server configuration  The routine has the responsibility of
        !           244: * creating a new record and merging the contents of the other two into it
        !           245: * appropriately.  If the module doesn't declare a merge routine, the more
        !           246: * specific existing record is used exclusively.
        !           247: *
        !           248: * The routine MUST NOT modify any of its arguments!
        !           249: *
        !           250: * The return value is a pointer to the created module-specific structure
        !           251: * containing the merged values.
        !           252: */
1.1       parser    253: static void *parser_merge_server_config(pool *p, void *server1_conf,
1.29    ! paf       254:                                        void *server2_conf)
1.1       parser    255: {
1.13      paf       256:        //_asm int 3;
1.29    ! paf       257:        
        !           258:        Parser_module_config *merged_config = 
1.1       parser    259:                (Parser_module_config *) ap_pcalloc(p, sizeof(Parser_module_config));
1.29    ! paf       260:        Parser_module_config *s1conf = (Parser_module_config *) server1_conf;
        !           261:        Parser_module_config *s2conf = (Parser_module_config *) server2_conf;
        !           262:        
        !           263:        /*
        !           264:        * Our inheritance rules are our own, and part of our module's semantics.
        !           265:        * Basically, just note whence we came.
        !           266:        */
        !           267:        merged_config->parser_config_filespec = ap_pstrdup(p, s2conf->parser_config_filespec?
1.22      paf       268:                s2conf->parser_config_filespec:s1conf->parser_config_filespec);
1.9       paf       269:        merged_config->parser_status_allowed=
                    270:                s1conf->parser_status_allowed || 
                    271:                s2conf->parser_status_allowed;
1.29    ! paf       272:        
1.1       parser    273:        return (void *) merged_config;
                    274: }
                    275: 
                    276: /*
1.29    ! paf       277: * This routine gives our module an opportunity to translate the URI into an
        !           278: * actual filename.  If we don't do anything special, the server's default
        !           279: * rules (Alias directives and the like) will continue to be followed.
        !           280: *
        !           281: * The return value is OK, DECLINED, or HTTP_mumble.  If we return OK, no
        !           282: * further modules are called for this phase.
        !           283: */
1.1       parser    284: static int parser_translate_handler(request_rec *r) {
1.29    ! paf       285:        Parser_module_config *cfg=our_dconfig(r);
        !           286:        return DECLINED;
1.1       parser    287: }
                    288: 
                    289: /*
1.29    ! paf       290: * This routine is called to check the authentication information sent with
        !           291: * the request (such as looking up the user in a database and verifying that
        !           292: * the [encrypted] password sent matches the one in the database).
        !           293: *
        !           294: * The return value is OK, DECLINED, or some HTTP_mumble error (typically
        !           295: * HTTP_UNAUTHORIZED).  If we return OK, no other modules are given a chance
        !           296: * at the request during this phase.
        !           297: */
1.1       parser    298: static int parser_check_user_id(request_rec *r) {
1.29    ! paf       299:        Parser_module_config *cfg=our_dconfig(r);
        !           300:        return DECLINED;
1.1       parser    301: }
                    302: 
                    303: /*
1.29    ! paf       304: * This routine is called to check to see if the resource being requested
        !           305: * requires authorisation.
        !           306: *
        !           307: * The return value is OK, DECLINED, or HTTP_mumble.  If we return OK, no
        !           308: * other modules are called during this phase.
        !           309: *
        !           310: * If *all* modules return DECLINED, the request is aborted with a server
        !           311: * error.
        !           312: */
1.1       parser    313: static int parser_auth_checker(request_rec *r) {
1.29    ! paf       314:        Parser_module_config *cfg=our_dconfig(r);
        !           315:        return DECLINED;
1.1       parser    316: }
                    317: 
                    318: /*
1.29    ! paf       319: * This routine is called to check for any module-specific restrictions placed
        !           320: * upon the requested resource.  (See the mod_access module for an example.)
        !           321: *
        !           322: * The return value is OK, DECLINED, or HTTP_mumble.  All modules with an
        !           323: * handler for this phase are called regardless of whether their predecessors
        !           324: * return OK or DECLINED.  The first one to return any other status, however,
        !           325: * will abort the sequence (and the request) as usual.
        !           326: */
1.1       parser    327: static int parser_access_checker(request_rec *r) {
1.29    ! paf       328:        
        !           329:        Parser_module_config *cfg=our_dconfig(r);
        !           330:        return DECLINED;
1.1       parser    331: }
                    332: 
                    333: /*--------------------------------------------------------------------------*/
                    334: /*                                                                          */
                    335: /* All of the routines have been declared now.  Here's the list of          */
                    336: /* directives specific to our module, and information about where they      */
                    337: /* may appear and how the command parser should pass them to us for         */
                    338: /* processing.  Note that care must be taken to ensure that there are NO    */
                    339: /* collisions of directive names between modules.                           */
                    340: /*                                                                          */
                    341: /*--------------------------------------------------------------------------*/
                    342: /* 
1.29    ! paf       343: * List of directives specific to our module.
        !           344: */
1.1       parser    345: static const command_rec parser_cmds[] =
                    346: {
1.29    ! paf       347:        {
        !           348:                "ParserConfig",              /* directive name */
        !           349:                        (const char* (*)(void))((void *)cmd_parser_config), // config action routine
        !           350:                        (void*)0,                   /* argument to include in call */
        !           351:                        (int)(OR_OPTIONS),             /* where available */
        !           352:                        TAKE1,                /* arguments */
        !           353:                        "Parser config filespec" // directive description
        !           354:        },
1.9       paf       355:        {
                    356:                "ParserStatusAllowed",              /* directive name */
1.29    ! paf       357:                        (const char* (*)(void))((void *)cmd_parser_status_allowed), // config action routine
        !           358:                        (void*)0,                   /* argument to include in call */
        !           359:                        (int)(ACCESS_CONF),             /* where available */
        !           360:                        NO_ARGS,                /* arguments */
        !           361:                        "Parser status class can be used" // directive description
1.9       paf       362:        },
1.29    ! paf       363:        {NULL}
1.1       parser    364: };
                    365: 
                    366: /*--------------------------------------------------------------------------*/
                    367: /*                                                                          */
                    368: /* Now the list of content handlers available from this module.             */
                    369: /*                                                                          */
                    370: /*--------------------------------------------------------------------------*/
                    371: /* 
1.29    ! paf       372: * List of content handlers our module supplies.  Each handler is defined by
        !           373: * two parts: a name by which it can be referenced (such as by
        !           374: * {Add,Set}Handler), and the actual routine name.  The list is terminated by
        !           375: * a NULL block, since it can be of variable length.
        !           376: *
        !           377: * Note that content-handlers are invoked on a most-specific to least-specific
        !           378: * basis; that is, a handler that is declared for "text/plain" will be
        !           379: * invoked before one that was declared for "text / *".  Note also that
        !           380: * if a content-handler returns anything except DECLINED, no other
        !           381: * content-handlers will be called.
        !           382: */
1.1       parser    383: static const handler_rec parser_handlers[] =
                    384: {
1.29    ! paf       385:        {"parser3-handler", parser_handler},
        !           386:        {NULL}
1.1       parser    387: };
                    388: 
                    389: /*--------------------------------------------------------------------------*/
                    390: /*                                                                          */
                    391: /* Finally, the list of callback routines and data structures that          */
                    392: /* provide the hooks into our module from the other parts of the server.    */
                    393: /*                                                                          */
                    394: /*--------------------------------------------------------------------------*/
                    395: /* 
1.29    ! paf       396: * Module definition for configuration.  If a particular callback is not
        !           397: * needed, replace its routine name below with the word NULL.
        !           398: *
        !           399: * The number in brackets indicates the order in which the routine is called
        !           400: * during request processing.  Note that not all routines are necessarily
        !           401: * called (such as if a resource doesn't have access restrictions).
        !           402: */
1.9       paf       403: module MODULE_VAR_EXPORT parser3_module =
1.1       parser    404: {
1.29    ! paf       405:        STANDARD_MODULE_STUFF,
        !           406:        parser_server_init,          /* module initializer */
        !           407:        parser_create_dir_config,    /* per-directory config creator */
        !           408:        parser_merge_dir_config,     /* dir config merger */
        !           409:        parser_create_server_config, /* server config creator */
        !           410:        parser_merge_server_config,  /* server config merger */
        !           411:        parser_cmds,                 /* command table */
        !           412:        parser_handlers,             /* [9] list of handlers */
        !           413:        parser_translate_handler,    /* [2] filename-to-URI translation */
        !           414:        parser_check_user_id,        /* [5] check/validate user_id */
        !           415:        parser_auth_checker,         /* [6] check user_id is valid *here* */
        !           416:        parser_access_checker,       /* [4] check access by host address */
        !           417:        0,                           /* [7] MIME type checker/setter */
        !           418:        0,                           /* [8] fixups */
        !           419:        0                            /* [10] logger */
1.1       parser    420: };
                    421: 
                    422: #if defined(_MSC_VER)
1.20      paf       423: #      define APACHE_WIN32_SRC "/parser3project/win32/apache13/src"
1.1       parser    424: #      ifdef _DEBUG
                    425: #              pragma comment(lib, APACHE_WIN32_SRC "/CoreD/ApacheCore.lib")
                    426: #      else
                    427: #              pragma comment(lib, APACHE_WIN32_SRC "/CoreR/ApacheCore.lib")
                    428: #      endif
                    429: #endif
1.29    ! paf       430: 
        !           431: 
        !           432: // interface to C++
        !           433: 
        !           434: #define        PA_APLOG_EMERG  0       /* system is unusable */
        !           435: #define        PA_APLOG_ALERT  1       /* action must be taken immediately */
        !           436: #define        PA_APLOG_CRIT   2       /* critical conditions */
        !           437: #define        PA_APLOG_ERR    3       /* error conditions */
        !           438: #define        PA_APLOG_WARNING        4       /* warning conditions */
        !           439: #define        PA_APLOG_NOTICE 5       /* normal but significant condition */
        !           440: #define        PA_APLOG_INFO   6       /* informational */
        !           441: #define        PA_APLOG_DEBUG  7       /* debug-level messages */
        !           442: 
        !           443: #define        PA_APLOG_LEVELMASK      7       /* mask off the level value */
        !           444: 
        !           445: #define PA_APLOG_NOERRNO               (PA_APLOG_LEVELMASK + 1)
        !           446: 
        !           447: #define PA_APLOG_MARK  __FILE__,__LINE__
        !           448: 
        !           449: void pa_ap_log_rerror(const char *file, int line, int level,
        !           450:                      const pa_request_rec *s, const char *fmt, ...) {
        !           451:        const char* str;
        !           452:        va_list l;
        !           453:        va_start(l, fmt); 
        !           454:        str=va_arg(l, const char*);
        !           455:        va_end(l); 
        !           456: 
        !           457:        ap_log_rerror(file, line, level,
        !           458:                      (request_rec*)s->real_request_rec, "%s", str);
        !           459: }
        !           460: 
        !           461: 
        !           462: void pa_ap_log_error(const char *file, int line, int level,
        !           463:                     const pa_server_rec *s, const char *fmt, ...) {
        !           464:        const char* str;
        !           465:        va_list l;
        !           466:        va_start(l, fmt); 
        !           467:        str=va_arg(l, const char*);
        !           468:        va_end(l); 
        !           469: 
        !           470:        ap_log_error(file, line, level,
        !           471:                      (server_rec*)s, "%s", str);
        !           472: }
        !           473: 
        !           474: // ap_alloc.h
        !           475: 
        !           476: const char* pa_ap_table_get(const pa_table *t, const char *name) {
        !           477:        return ap_table_get((const table*)t, name);
        !           478: }
        !           479: void pa_ap_table_addn(pa_table *t, const char *name, const char *val) {
        !           480:        ap_table_addn((table*)t, name, val);
        !           481: }
        !           482: 
        !           483: int pa_ap_table_size(const pa_table *t) {
        !           484:        return ap_table_elts((const table*)t)->nelts;
        !           485: }
        !           486: 
        !           487: void pa_ap_table_do(int (*comp) (void *, const char *, const char *), 
        !           488:                    void *rec, const pa_table *t, ...) {
        !           489:        ap_table_do(comp, rec, (table*)t, 0);
        !           490: }
        !           491: 
        !           492: char * pa_ap_pstrdup(pa_pool *p, const char *s) {
        !           493:        return ap_pstrdup((pool*)p, s);
        !           494: }
        !           495: 
        !           496: // http_protocol.h
        !           497: 
        !           498: int pa_ap_setup_client_block(pa_request_rec *r, int read_policy) {
        !           499:        return ap_setup_client_block((request_rec*)r->real_request_rec,
        !           500:                read_policy);
        !           501: }
        !           502: int pa_ap_should_client_block(pa_request_rec *r) {
        !           503:        return ap_should_client_block((request_rec*)r->real_request_rec);
        !           504: }
        !           505: long pa_ap_get_client_block(pa_request_rec *r, char *buffer, int bufsiz) {
        !           506:        return ap_get_client_block((request_rec*)r->real_request_rec,
        !           507:                buffer, bufsiz);
        !           508: }
        !           509: void pa_ap_send_http_header(pa_request_rec *r) {
        !           510:        ap_send_http_header((request_rec*)r->real_request_rec);
        !           511: }
        !           512: int pa_ap_rwrite(const void *buf, int nbyte, pa_request_rec *r) {
        !           513:        return ap_rwrite(buf, nbyte, (request_rec*)r->real_request_rec);
        !           514: }
        !           515: 
        !           516: 
        !           517: // http_main.h
        !           518: 
        !           519: void pa_ap_hard_timeout(char *s, pa_request_rec *r) {
        !           520:        ap_hard_timeout(s, (request_rec*)r->real_request_rec);
        !           521: }
        !           522: void pa_ap_reset_timeout(pa_request_rec *r) {
        !           523:        ap_reset_timeout((request_rec*)r->real_request_rec);
        !           524: }
        !           525: void pa_ap_kill_timeout(pa_request_rec *r) {
        !           526:        ap_kill_timeout((request_rec*)r->real_request_rec);
        !           527: }
        !           528: 
        !           529: 
        !           530: // util_script.h
        !           531: 
        !           532: void pa_ap_add_cgi_vars(pa_request_rec *r) {
        !           533:        ap_add_cgi_vars((request_rec*)r->real_request_rec);
        !           534: }
        !           535: void pa_ap_add_common_vars(pa_request_rec *r) {
        !           536:        ap_add_common_vars((request_rec*)r->real_request_rec);
        !           537: }
        !           538: 
        !           539: 
        !           540: // ap_md5.h
        !           541: 
        !           542: void pa_MD5Init(PA_MD5_CTX *context) { ap_MD5Init((AP_MD5_CTX*)context); }
        !           543: void pa_MD5Update(PA_MD5_CTX *context, const unsigned char *input,
        !           544:                              unsigned int inputLen) { ap_MD5Update((AP_MD5_CTX *)context, input, inputLen); }
        !           545: void pa_MD5Final(unsigned char digest[MD5_DIGESTSIZE],
        !           546:                             PA_MD5_CTX *context) { ap_MD5Final(digest, (AP_MD5_CTX *)context); }
        !           547: void pa_MD5Encode(const unsigned char *password,
        !           548:                              const unsigned char *salt,
        !           549:                              char *result, size_t nbytes) { ap_MD5Encode(password, salt, result, nbytes); }
        !           550: void pa_to64(char *s, unsigned long v, int n) { ap_to64(s, v, n); }
        !           551: 
        !           552: 
        !           553: // signal.h
        !           554: 
        !           555: void (*pa_signal (int sig, void (*disp)(int)))(int) {
        !           556:        if(sig==PA_SIGPIPE && disp==PA_SIG_IGN)
        !           557:                return signal(SIGPIPE, SIG_IGN);
        !           558: 
        !           559:        return 0;
        !           560: }

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