/* +----------------------------------------------------------------------+ | PHP HTML Embedded Scripting Language Version 3.0 | +----------------------------------------------------------------------+ | Copyright (c) 1997,1998 PHP Development Team (See Credits file) | +----------------------------------------------------------------------+ | This program is free software; you can redistribute it and/or modify | | it under the terms of one of the following licenses: | | | | A) the GNU General Public License as published by the Free Software | | Foundation; either version 2 of the License, or (at your option) | | any later version. | | | | B) the PHP License as published by the PHP Development Team and | | included in the distribution in the file: LICENSE | | | | This program is distributed in the hope that it will be useful, | | but WITHOUT ANY WARRANTY; without even the implied warranty of | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | | GNU General Public License for more details. | | | | You should have received a copy of both licenses referred to here. | | If you did not, or have any questions about PHP licensing, please | | contact core@php.net. | +----------------------------------------------------------------------+ | Authors: Rasmus Lerdorf | | (with helpful hints from Dean Gaudet | +----------------------------------------------------------------------+ */ /* $Id$ */ #ifdef THREAD_SAFE #include "tls.h" #include "php.h" #else #include "httpd.h" #include "http_config.h" #if MODULE_MAGIC_NUMBER > 19980712 #include "ap_compat.h" #else #if MODULE_MAGIC_NUMBER > 19980324 #include "compat.h" #endif #endif #include "http_core.h" #include "http_main.h" #include "http_protocol.h" #include "http_request.h" #include "http_log.h" #endif #include "util_script.h" #include "php_version.h" #include "mod_php3.h" #if HAVE_MOD_DAV # include "mod_dav.h" #endif /* ### these should be defined in mod_php3.h or somewhere else */ #define USE_PATH 1 #define IGNORE_URL 2 module MODULE_VAR_EXPORT php3_module; #ifndef THREAD_SAFE int saved_umask; #else #define GLOBAL(a) php3_globals->a #define STATIC GLOBAL #define TLS_VARS \ php3_globals_struct *php3_globals; \ php3_globals = TlsGetValue(TlsIndex); #endif #ifndef TLS_VARS #define TLS_VARS #endif #ifndef GLOBAL #define GLOBAL(x) x #endif #if WIN32|WINNT /* popenf isn't working on Windows, use open instead*/ # ifdef popenf # undef popenf # endif # define popenf(p,n,f,m) open((n),(f),(m)) # ifdef pclosef # undef pclosef # endif # define pclosef(p,f) close(f) #else # define php3i_popenf(p,n,f,m) popenf((p),(n),(f),(m)) #endif extern php3_ini_structure php3_ini; /* active config */ extern php3_ini_structure php3_ini_master; /* master copy of config */ int apache_php3_module_main(request_rec * r, int fd, int display_source_mode); extern int php3_module_startup(); extern void php3_module_shutdown(); extern void php3_module_shutdown_for_exec(); extern int tls_create(void); extern int tls_destroy(void); extern int tls_startup(void); extern int tls_shutdown(void); #if WIN32|WINNT /* we will want to change this to the apache api process and thread entry and exit functions */ BOOL WINAPI DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { switch( ul_reason_for_call ) { case DLL_PROCESS_ATTACH: /* I should be loading ini vars here and doing whatever true global inits need to be done */ if (!tls_startup()) return 0; if (!tls_create()) return 0; break; case DLL_THREAD_ATTACH: if (!tls_create()) return 0; /* if (php3_module_startup()==FAILURE) { return FAILURE; } */ break; case DLL_THREAD_DETACH: if (!tls_destroy()) return 0; /* if (initialized) { php3_module_shutdown(); return SUCCESS; } else { return FAILURE; } */ break; case DLL_PROCESS_DETACH: /* close down anything down in process_attach */ if (!tls_destroy()) return 0; if (!tls_shutdown()) return 0; break; } return 1; } #endif void php3_save_umask() { TLS_VARS; GLOBAL(saved_umask) = umask(077); umask(GLOBAL(saved_umask)); } void php3_restore_umask() { TLS_VARS; umask(GLOBAL(saved_umask)); } int send_php3(request_rec *r, int display_source_mode, char *filename) { int fd, retval; php3_ini_structure *conf; /* We don't accept OPTIONS requests, but take everything else */ if (r->method_number == M_OPTIONS) { r->allowed |= (1 << METHODS) - 1; return DECLINED; } /* Make sure file exists */ if (filename == NULL && r->finfo.st_mode == 0) { return NOT_FOUND; } /* grab configuration settings */ conf = (php3_ini_structure *) get_module_config(r->per_dir_config, &php3_module); /* copy to active configuration */ memcpy(&php3_ini,conf,sizeof(php3_ini_structure)); /* If PHP parser engine has been turned off with a "php3_engine off" * directive, then decline to handle this request */ if (!conf->engine) { r->content_type = "text/html"; r->allowed |= (1 << METHODS) - 1; return DECLINED; } if (filename == NULL) { filename = r->filename; } /* Open the file */ if ((fd = popenf(r->pool, filename, O_RDONLY, 0)) == -1) { log_reason("file permissions deny server access", filename, r); return FORBIDDEN; } /* Apache 1.2 has a more complex mechanism for reading POST data */ #if MODULE_MAGIC_NUMBER > 19961007 if ((retval = setup_client_block(r, REQUEST_CHUNKED_ERROR))) return retval; #endif if (conf->last_modified) { #if MODULE_MAGIC_NUMBER < 19970912 if ((retval = set_last_modified(r, r->finfo.st_mtime))) { return retval; } #else update_mtime (r, r->finfo.st_mtime); set_last_modified(r); set_etag(r); #endif } /* Assume output will be HTML. Individual scripts may change this further down the line */ r->content_type = "text/html"; /* Init timeout */ hard_timeout("send", r); php3_save_umask(); chdir_file(filename); add_common_vars(r); add_cgi_vars(r); apache_php3_module_main(r, fd, display_source_mode); /* Done, restore umask, turn off timeout, close file and return */ php3_restore_umask(); kill_timeout(r); pclosef(r->pool, fd); return OK; } int send_parsed_php3(request_rec * r) { return send_php3(r, 0, NULL); } int send_parsed_php3_source(request_rec * r) { return send_php3(r, 0, NULL); } /* * Create the per-directory config structure with defaults from php3_ini_master */ static void *php3_create_dir(pool * p, char *dummy) { php3_ini_structure *new; php3_module_startup(); /* php3_ini_master is set up here */ new = (php3_ini_structure *) palloc(p, sizeof(php3_ini_structure)); memcpy(new,&php3_ini_master,sizeof(php3_ini_structure)); return new; } /* * Merge in per-directory .conf directives */ static void *php3_merge_dir(pool *p, void *basev, void *addv) { php3_ini_structure *new = (php3_ini_structure *) palloc(p, sizeof(php3_ini_structure)); php3_ini_structure *base = (php3_ini_structure *) basev; php3_ini_structure *add = (php3_ini_structure *) addv; php3_ini_structure orig = php3_ini_master; /* Start with the base config */ memcpy(new,base,sizeof(php3_ini_structure)); /* Now, add any fields that have changed in *add compared to the master config */ if (add->smtp != orig.smtp) new->smtp = add->smtp; if (add->sendmail_path != orig.sendmail_path) new->sendmail_path = add->sendmail_path; if (add->sendmail_from != orig.sendmail_from) new->sendmail_from = add->sendmail_from; if (add->errors != orig.errors) new->errors = add->errors; if (add->magic_quotes_gpc != orig.magic_quotes_gpc) new->magic_quotes_gpc = add->magic_quotes_gpc; if (add->magic_quotes_runtime != orig.magic_quotes_runtime) new->magic_quotes_runtime = add->magic_quotes_runtime; if (add->magic_quotes_sybase != orig.magic_quotes_sybase) new->magic_quotes_sybase = add->magic_quotes_sybase; if (add->track_errors != orig.track_errors) new->track_errors = add->track_errors; if (add->display_errors != orig.display_errors) new->display_errors = add->display_errors; if (add->log_errors != orig.log_errors) new->log_errors = add->log_errors; if (add->doc_root != orig.doc_root) new->doc_root = add->doc_root; if (add->user_dir != orig.user_dir) new->user_dir = add->user_dir; if (add->safe_mode != orig.safe_mode) new->safe_mode = add->safe_mode; if (add->track_vars != orig.track_vars) new->track_vars = add->track_vars; if (add->safe_mode_exec_dir != orig.safe_mode_exec_dir) new->safe_mode_exec_dir = add->safe_mode_exec_dir; if (add->cgi_ext != orig.cgi_ext) new->cgi_ext = add->cgi_ext; if (add->isapi_ext != orig.isapi_ext) new->isapi_ext = add->isapi_ext; if (add->nsapi_ext != orig.nsapi_ext) new->nsapi_ext = add->nsapi_ext; if (add->include_path != orig.include_path) new->include_path = add->include_path; if (add->auto_prepend_file != orig.auto_prepend_file) new->auto_prepend_file = add->auto_prepend_file; if (add->auto_append_file != orig.auto_append_file) new->auto_append_file = add->auto_append_file; if (add->upload_tmp_dir != orig.upload_tmp_dir) new->upload_tmp_dir = add->upload_tmp_dir; if (add->upload_max_filesize != orig.upload_max_filesize) new->upload_max_filesize = add->upload_max_filesize; if (add->extension_dir != orig.extension_dir) new->extension_dir = add->extension_dir; if (add->short_open_tag != orig.short_open_tag) new->short_open_tag = add->short_open_tag; if (add->debugger_host != orig.debugger_host) new->debugger_host = add->debugger_host; if (add->debugger_port != orig.debugger_port) new->debugger_port = add->debugger_port; if (add->error_log != orig.error_log) new->error_log = add->error_log; /* skip the highlight stuff */ if (add->sql_safe_mode != orig.sql_safe_mode) new->sql_safe_mode = add->sql_safe_mode; if (add->xbithack != orig.xbithack) new->xbithack = add->xbithack; if (add->engine != orig.engine) new->engine = add->engine; if (add->last_modified != orig.last_modified) new->last_modified = add->last_modified; if (add->max_execution_time != orig.max_execution_time) new->max_execution_time = add->max_execution_time; if (add->memory_limit != orig.memory_limit) new->memory_limit = add->memory_limit; if (add->browscap != orig.browscap) new->browscap = add->browscap; if (add->arg_separator != orig.arg_separator) new->arg_separator = add->arg_separator; if (add->gpc_order != orig.gpc_order) new->gpc_order = add->gpc_order; if (add->error_prepend_string != orig.error_prepend_string) new->error_prepend_string = add->error_prepend_string; if (add->error_append_string != orig.error_append_string) new->error_append_string = add->error_append_string; if (add->open_basedir != orig.open_basedir) new->open_basedir = add->open_basedir; if (add->enable_dl != orig.enable_dl) new->enable_dl = add->enable_dl; if (add->asp_tags != orig.asp_tags) new->asp_tags = add->asp_tags; if (add->dav_script != orig.dav_script) new->dav_script = add->dav_script; return new; } #if MODULE_MAGIC_NUMBER > 19961007 const char *php3flaghandler(cmd_parms * cmd, php3_ini_structure * conf, int val) { #else char *php3flaghandler(cmd_parms * cmd, php3_ini_structure * conf, int val) { #endif int c = (int) cmd->info; switch (c) { case 0: conf->track_errors = val; break; case 1: conf->magic_quotes_gpc = val; break; case 2: conf->magic_quotes_runtime = val; break; case 3: conf->short_open_tag = val; break; case 4: conf->safe_mode = val; break; case 5: conf->track_vars = val; break; case 6: conf->sql_safe_mode = val; break; case 7: conf->engine = val; break; case 8: conf->xbithack = val; break; case 9: conf->last_modified = val; break; case 10: conf->log_errors = val; break; case 11: conf->display_errors = val; break; case 12: conf->magic_quotes_sybase = val; break; case 13: conf->enable_dl = val; break; case 14: conf->asp_tags = val; break; } return NULL; } #if MODULE_MAGIC_NUMBER > 19961007 const char *php3take1handler(cmd_parms * cmd, php3_ini_structure * conf, char *arg) { #else char *php3take1handler(cmd_parms * cmd, php3_ini_structure * conf, char *arg) { #endif int c = (int) cmd->info; switch (c) { case 0: conf->errors = atoi(arg); break; case 1: conf->doc_root = pstrdup(cmd->pool, arg); break; case 2: conf->user_dir = pstrdup(cmd->pool, arg); break; case 3: conf->safe_mode_exec_dir = pstrdup(cmd->pool, arg); break; case 4: conf->include_path = pstrdup(cmd->pool, arg); break; case 5: if (strncasecmp(arg, "none", 4)) { conf->auto_prepend_file = pstrdup(cmd->pool, arg); } else { conf->auto_prepend_file = ""; } break; case 6: if (strncasecmp(arg, "none", 4)) { conf->auto_append_file = pstrdup(cmd->pool, arg); } else { conf->auto_append_file = ""; } break; case 7: conf->upload_tmp_dir = pstrdup(cmd->pool, arg); break; case 8: conf->extension_dir = pstrdup(cmd->pool, arg); break; case 9: conf->error_log = pstrdup(cmd->pool, arg); break; case 10: conf->arg_separator = pstrdup(cmd->pool, arg); break; case 11: conf->max_execution_time = atoi(arg); break; case 12: conf->memory_limit = atoi(arg); break; case 13: conf->sendmail_path = pstrdup(cmd->pool, arg); break; case 14: conf->browscap = pstrdup(cmd->pool, arg); break; case 15: conf->gpc_order = pstrdup(cmd->pool, arg); break; case 16: conf->error_prepend_string = pstrdup(cmd->pool, arg); break; case 17: conf->error_append_string = pstrdup(cmd->pool, arg); break; case 18: conf->open_basedir = pstrdup(cmd->pool, arg); break; case 19: conf->upload_max_filesize = atol(arg); break; case 20: conf->dav_script = pstrdup(cmd->pool, arg); break; } return NULL; } int php3_xbithack_handler(request_rec * r) { php3_ini_structure *conf; conf = (php3_ini_structure *) get_module_config(r->per_dir_config, &php3_module); if (!(r->finfo.st_mode & S_IXUSR)) { r->allowed |= (1 << METHODS) - 1; return DECLINED; } if (conf->xbithack == 0) { r->allowed |= (1 << METHODS) - 1; return DECLINED; } return send_parsed_php3(r); } void php3_init_handler(server_rec *s, pool *p) { register_cleanup(p, NULL, php3_module_shutdown, php3_module_shutdown_for_exec); #if MODULE_MAGIC_NUMBER >= 19980527 ap_add_version_component("PHP/" PHP_VERSION); #endif } #if HAVE_MOD_DAV extern int phpdav_mkcol_test_handler(request_rec *r); extern int phpdav_mkcol_create_handler(request_rec *r); /* conf is being read twice (both here and in send_php3()) */ int send_parsed_php3_dav_script(request_rec *r) { php3_ini_structure *conf; conf = (php3_ini_structure *) get_module_config(r->per_dir_config, &php3_module); return send_php3(r, 0, 0, conf->dav_script); } static int php3_type_checker(request_rec *r) { php3_ini_structure *conf; conf = (php3_ini_structure *)get_module_config(r->per_dir_config, &php3_module); /* If DAV support is enabled, use mod_dav's type checker. */ if (conf->dav_script) { dav_api_set_request_handler(r, send_parsed_php3_dav_script); dav_api_set_mkcol_handlers(r, phpdav_mkcol_test_handler, phpdav_mkcol_create_handler); /* leave the rest of the request to mod_dav */ return dav_api_type_checker(r); } return DECLINED; } #else /* HAVE_MOD_DAV */ # define php3_type_checker NULL #endif /* HAVE_MOD_DAV */ handler_rec php3_handlers[] = { {"application/x-httpd-php3", send_parsed_php3}, {"application/x-httpd-php3-source", send_parsed_php3_source}, {"text/html", php3_xbithack_handler}, {NULL} }; command_rec php3_commands[] = { {"php3_error_reporting", php3take1handler, (void *)0, OR_OPTIONS, TAKE1, "error reporting level"}, {"php3_doc_root", php3take1handler, (void *)1, ACCESS_CONF|RSRC_CONF, TAKE1, "directory"}, /* not used yet */ {"php3_user_dir", php3take1handler, (void *)2, ACCESS_CONF|RSRC_CONF, TAKE1, "user directory"}, /* not used yet */ {"php3_safe_mode_exec_dir", php3take1handler, (void *)3, ACCESS_CONF|RSRC_CONF, TAKE1, "safe mode executable dir"}, {"php3_include_path", php3take1handler, (void *)4, OR_OPTIONS, TAKE1, "colon-separated path"}, {"php3_auto_prepend_file", php3take1handler, (void *)5, OR_OPTIONS, TAKE1, "file name"}, {"php3_auto_append_file", php3take1handler, (void *)6, OR_OPTIONS, TAKE1, "file name"}, {"php3_upload_tmp_dir", php3take1handler, (void *)7, ACCESS_CONF|RSRC_CONF, TAKE1, "directory"}, {"php3_extension_dir", php3take1handler, (void *)8, ACCESS_CONF|RSRC_CONF, TAKE1, "directory"}, {"php3_error_log", php3take1handler, (void *)9, OR_OPTIONS, TAKE1, "error log file"}, {"php3_arg_separator", php3take1handler, (void *)10, OR_OPTIONS, TAKE1, "GET method arg separator"}, {"php3_max_execution_time", php3take1handler, (void *)11, OR_OPTIONS, TAKE1, "Max script run time in seconds"}, {"php3_memory_limit", php3take1handler, (void *)12, OR_OPTIONS, TAKE1, "Max memory in bytes a script may use"}, {"php3_sendmail_path", php3take1handler, (void *)13, OR_OPTIONS, TAKE1, "Full path to sendmail binary"}, {"php3_browscap", php3take1handler, (void *)14, OR_OPTIONS, TAKE1, "Full path to browscap file"}, {"php3_gpc_order", php3take1handler, (void *)15, OR_OPTIONS, TAKE1, "Set GET-COOKIE-POST order [default is GPC]"}, {"php3_error_prepend_string", php3take1handler, (void *)16, OR_OPTIONS, TAKE1, "String to add before an error message from PHP"}, {"php3_error_append_string", php3take1handler, (void *)17, OR_OPTIONS, TAKE1, "String to add after an error message from PHP"}, {"php3_open_basedir", php3take1handler, (void *)18, OR_OPTIONS|RSRC_CONF, TAKE1, "Limit opening of files to this directory"}, {"php3_upload_max_filesize", php3take1handler, (void *)19, OR_OPTIONS|RSRC_CONF, TAKE1, "Limit uploaded files to this many bytes"}, #if HAVE_MOD_DAV {"php3_dav_script", php3take1handler, (void *)20, OR_OPTIONS|RSRC_CONF, TAKE1, "Lets PHP handle DAV requests by parsing this script."}, #endif {"php3_track_errors", php3flaghandler, (void *)0, OR_OPTIONS, FLAG, "on|off"}, {"php3_magic_quotes_gpc", php3flaghandler, (void *)1, OR_OPTIONS, FLAG, "on|off"}, {"php3_magic_quotes_runtime", php3flaghandler, (void *)2, OR_OPTIONS, FLAG, "on|off"}, {"php3_short_open_tag", php3flaghandler, (void *)3, OR_OPTIONS, FLAG, "on|off"}, {"php3_safe_mode", php3flaghandler, (void *)4, ACCESS_CONF|RSRC_CONF, FLAG, "on|off"}, {"php3_track_vars", php3flaghandler, (void *)5, OR_OPTIONS, FLAG, "on|off"}, {"php3_sql_safe_mode", php3flaghandler, (void *)6, ACCESS_CONF|RSRC_CONF, FLAG, "on|off"}, {"php3_engine", php3flaghandler, (void *)7, RSRC_CONF|ACCESS_CONF, FLAG, "on|off"}, {"php3_xbithack", php3flaghandler, (void *)8, OR_OPTIONS, FLAG, "on|off"}, {"php3_last_modified", php3flaghandler, (void *)9, OR_OPTIONS, FLAG, "on|off"}, {"php3_log_errors", php3flaghandler, (void *)10, OR_OPTIONS, FLAG, "on|off"}, {"php3_display_errors", php3flaghandler, (void *)11, OR_OPTIONS, FLAG, "on|off"}, {"php3_magic_quotes_sybase", php3flaghandler, (void *)12, OR_OPTIONS, FLAG, "on|off"}, {"php3_enable_dl", php3flaghandler, (void *)13, RSRC_CONF|ACCESS_CONF, FLAG, "on|off"}, {"php3_asp_tags", php3flaghandler, (void *)14, OR_OPTIONS, FLAG, "on|off"}, {NULL} }; module MODULE_VAR_EXPORT php3_module = { STANDARD_MODULE_STUFF, php3_init_handler, /* initializer */ php3_create_dir, /* per-directory config creator */ php3_merge_dir, /* dir merger */ NULL, /* per-server config creator */ NULL, /* merge server config */ php3_commands, /* command table */ php3_handlers, /* handlers */ NULL, /* filename translation */ NULL, /* check_user_id */ NULL, /* check auth */ NULL, /* check access */ php3_type_checker, /* type_checker */ NULL, /* fixups */ NULL /* logger */ #if MODULE_MAGIC_NUMBER >= 19970103 ,NULL /* header parser */ #endif #if MODULE_MAGIC_NUMBER >= 19970719 ,NULL /* child_init */ #endif #if MODULE_MAGIC_NUMBER >= 19970728 ,NULL /* child_exit */ #endif #if MODULE_MAGIC_NUMBER >= 19970902 ,NULL /* post read-request */ #endif }; /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: */