/* +----------------------------------------------------------------------+ | PHP Version 5 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2015 The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available at through the world-wide-web at | | http://www.php.net/license/3_01.txt | | If you did not receive a copy of the PHP license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Rasmus Lerdorf | | (with helpful hints from Dean Gaudet | | PHP 4.0 patches by Zeev Suraski | +----------------------------------------------------------------------+ */ /* $Id$ */ #include "php_apache_http.h" #ifdef NETWARE #define SIGPIPE SIGINT #endif #undef shutdown /* {{{ Prototypes */ int apache_php_module_main(request_rec *r, int display_source_mode TSRMLS_DC); static void php_save_umask(void); static void php_restore_umask(void); static int sapi_apache_read_post(char *buffer, uint count_bytes TSRMLS_DC); static char *sapi_apache_read_cookies(TSRMLS_D); static int sapi_apache_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers TSRMLS_DC); static int sapi_apache_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC); static int send_php(request_rec *r, int display_source_mode, char *filename); static int send_parsed_php(request_rec * r); static int send_parsed_php_source(request_rec * r); static int php_xbithack_handler(request_rec * r); static void php_init_handler(server_rec *s, pool *p); /* }}} */ #if MODULE_MAGIC_NUMBER >= 19970728 static void php_child_exit_handler(server_rec *s, pool *p); #endif #if MODULE_MAGIC_NUMBER > 19961007 #define CONST_PREFIX const #else #define CONST_PREFIX #endif typedef struct _sapi_stack { int top, max, persistent; void **elements; } sapi_stack; typedef struct _php_per_dir_config { HashTable *ini_settings; sapi_stack headers_handlers; sapi_stack auth_handlers; sapi_stack access_handlers; sapi_stack type_handlers; sapi_stack fixup_handlers; sapi_stack logger_handlers; sapi_stack post_read_handlers; sapi_stack response_handlers; } php_per_dir_config; typedef struct _php_per_server_config { sapi_stack uri_handlers; sapi_stack requires; } php_per_server_config; static CONST_PREFIX char *php_apache_value_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode); static CONST_PREFIX char *php_apache_value_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2); static CONST_PREFIX char *php_apache_admin_value_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2); static CONST_PREFIX char *php_apache_flag_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2); static CONST_PREFIX char *php_apache_flag_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode); static CONST_PREFIX char *php_apache_admin_flag_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2); /* ### these should be defined in mod_php5.h or somewhere else */ #define USE_PATH 1 #define IGNORE_URL 2 module MODULE_VAR_EXPORT php5_module; int saved_umask; /* static int setup_env = 0; */ static unsigned char apache_php_initialized; typedef struct _php_per_dir_entry { char *key; char *value; uint key_length; uint value_length; int type; } php_per_dir_entry; /* some systems are missing these from their header files */ /* {{{ zend stack utility functions */ /* This code is ripped part and parcel from zend_stack.[ch]. Assuming that the patch supporting zend_stack_init_ex is applied, all but the bottom two module-specific iterators will be removed */ int sapi_stack_init_ex(sapi_stack *stack, int persistent) { stack->top = 0; stack->persistent = persistent; stack->elements = (void **) pemalloc(sizeof(void **) * STACK_BLOCK_SIZE, persistent); if (!stack->elements) { return FAILURE; } else { stack->max = STACK_BLOCK_SIZE; return SUCCESS; } } int sapi_stack_push(sapi_stack *stack, void *element) { if (stack->top >= stack->max) { /* we need to allocate more memory */ stack->elements = (void **) perealloc(stack->elements, (sizeof(void **) * (stack->max += STACK_BLOCK_SIZE)), stack->persistent); if (!stack->elements) { return FAILURE; } } stack->elements[stack->top] = (void *) element; return stack->top++; } void* sapi_stack_pop(sapi_stack *stack) { if(stack->top == 0) { return NULL; } else { return stack->elements[--stack->top]; } } int sapi_stack_destroy(sapi_stack *stack) { return SUCCESS; } int sapi_stack_apply_with_argument_all(sapi_stack *stack, int type, int (*apply_function)(void *element, void *arg), void *arg) { int i, retval; switch (type) { case ZEND_STACK_APPLY_TOPDOWN: for (i=stack->top-1; i>=0; i--) { retval = apply_function(stack->elements[i], arg); } break; case ZEND_STACK_APPLY_BOTTOMUP: for (i=0; itop; i++) { retval = apply_function(stack->elements[i], arg); } break; } return retval; } int sapi_stack_apply_with_argument_stop_if_equals(sapi_stack *stack, int type, int (*apply_function)(void *element, void *arg), void *arg, int stopval) { int i; int ret = DECLINED; switch (type) { case ZEND_STACK_APPLY_TOPDOWN: for (i=stack->top-1; i>=0; i--) { if ((ret = apply_function(stack->elements[i], arg)) == stopval) { break; } } break; case ZEND_STACK_APPLY_BOTTOMUP: for (i=0; itop; i++) { if ((ret = apply_function(stack->elements[i], arg)) == stopval) { break; } } break; } return ret; } int sapi_stack_apply_with_argument_stop_if_http_error(sapi_stack *stack, int type, int (*apply_function)(void *element, void *arg), void *arg) { int i; int ret = DECLINED; switch (type) { case ZEND_STACK_APPLY_TOPDOWN: for (i=stack->top-1; i>=0; i--) { if ((ret = apply_function(stack->elements[i], arg)) > 0) { break; } } break; case ZEND_STACK_APPLY_BOTTOMUP: for (i=0; itop; i++) { if ((ret = apply_function(stack->elements[i], arg)) > 0) { break; } } break; } return ret; } void php_handler_stack_destroy(sapi_stack *stack) { php_handler *ph; while((ph = (php_handler *)sapi_stack_pop(stack)) != NULL) { free(ph->name); free(ph); } } /* }}} */ /* {{{ php_save_umask */ static void php_save_umask(void) { saved_umask = umask(077); umask(saved_umask); } /* }}} */ /* {{{ sapi_apache_ub_write */ static int sapi_apache_ub_write(const char *str, uint str_length TSRMLS_DC) { int ret=0; if (SG(server_context)) { ret = rwrite(str, str_length, (request_rec *) SG(server_context)); } if (ret != str_length) { php_handle_aborted_connection(); } return ret; } /* }}} */ /* {{{ sapi_apache_flush */ static void sapi_apache_flush(void *server_context) { if (server_context) { #if MODULE_MAGIC_NUMBER > 19970110 rflush((request_rec *) server_context); #else bflush((request_rec *) server_context->connection->client); #endif } } /* }}} */ /* {{{ sapi_apache_read_post */ static int sapi_apache_read_post(char *buffer, uint count_bytes TSRMLS_DC) { uint total_read_bytes=0, read_bytes; request_rec *r = (request_rec *) SG(server_context); void (*handler)(int); /* * This handles the situation where the browser sends a Expect: 100-continue header * and needs to receive confirmation from the server on whether or not it can send * the rest of the request. RFC 2616 * */ if (!SG(read_post_bytes) && !ap_should_client_block(r)) { return total_read_bytes; } handler = signal(SIGPIPE, SIG_IGN); while (total_read_bytessubprocess_env, "HTTP_COOKIE"); } /* }}} */ /* {{{ sapi_apache_header_handler */ static int sapi_apache_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers TSRMLS_DC) { char *header_name, *header_content, *p; request_rec *r = (request_rec *) SG(server_context); if(!r) { return 0; } switch(op) { case SAPI_HEADER_DELETE_ALL: clear_table(r->headers_out); return 0; case SAPI_HEADER_DELETE: table_unset(r->headers_out, sapi_header->header); return 0; case SAPI_HEADER_ADD: case SAPI_HEADER_REPLACE: header_name = sapi_header->header; header_content = p = strchr(header_name, ':'); if (!p) { return 0; } *p = 0; do { header_content++; } while (*header_content==' '); if (!strcasecmp(header_name, "Content-Type")) { r->content_type = pstrdup(r->pool, header_content); } else if (!strcasecmp(header_name, "Set-Cookie")) { table_add(r->headers_out, header_name, header_content); } else if (op == SAPI_HEADER_REPLACE) { table_set(r->headers_out, header_name, header_content); } else { table_add(r->headers_out, header_name, header_content); } *p = ':'; /* a well behaved header handler shouldn't change its original arguments */ return SAPI_HEADER_ADD; default: return 0; } } /* }}} */ /* {{{ sapi_apache_send_headers */ static int sapi_apache_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC) { if(SG(server_context) == NULL) { /* server_context is not here anymore */ return SAPI_HEADER_SEND_FAILED; } ((request_rec *) SG(server_context))->status = SG(sapi_headers).http_response_code; /* check that we haven't sent headers already, we use our own * headers_sent since we may send headers at anytime */ if(!AP(headers_sent)) { send_http_header((request_rec *) SG(server_context)); AP(headers_sent) = 1; } return SAPI_HEADER_SENT_SUCCESSFULLY; } /* }}} */ /* {{{ sapi_apache_register_server_variables */ static void sapi_apache_register_server_variables(zval *track_vars_array TSRMLS_DC) { register int i; array_header *arr = table_elts(((request_rec *) SG(server_context))->subprocess_env); table_entry *elts = (table_entry *) arr->elts; zval **path_translated; HashTable *symbol_table; for (i = 0; i < arr->nelts; i++) { char *val; if (elts[i].val) { val = elts[i].val; } else { val = ""; } php_register_variable(elts[i].key, val, track_vars_array TSRMLS_CC); } /* If PATH_TRANSLATED doesn't exist, copy it from SCRIPT_FILENAME */ if (track_vars_array) { symbol_table = track_vars_array->value.ht; } else { symbol_table = NULL; } if (symbol_table && !zend_hash_exists(symbol_table, "PATH_TRANSLATED", sizeof("PATH_TRANSLATED")) && zend_hash_find(symbol_table, "SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME"), (void **) &path_translated)==SUCCESS) { php_register_variable("PATH_TRANSLATED", Z_STRVAL_PP(path_translated), track_vars_array TSRMLS_CC); } php_register_variable("PHP_SELF", ((request_rec *) SG(server_context))->uri, track_vars_array TSRMLS_CC); } /* }}} */ /* {{{ php_apache_startup */ static int php_apache_startup(sapi_module_struct *sapi_module) { if (php_module_startup(sapi_module, &apache_module_entry, 1) == FAILURE) { return FAILURE; } else { return SUCCESS; } } /* }}} */ /* {{{ php_apache_log_message */ static void php_apache_log_message(char *message TSRMLS_DC) { if (SG(server_context)) { #if MODULE_MAGIC_NUMBER >= 19970831 aplog_error(NULL, 0, APLOG_ERR | APLOG_NOERRNO, ((request_rec *) SG(server_context))->server, "%s", message); #else log_error(message, ((request_rec *) SG(server_context))->server); #endif } else { fprintf(stderr, "%s", message); fprintf(stderr, "\n"); } } /* }}} */ /* {{{ php_apache_request_shutdown */ static void php_apache_request_shutdown(void *dummy) { TSRMLS_FETCH(); AP(current_hook) = AP_CLEANUP; php_output_set_status(PHP_OUTPUT_DISABLED TSRMLS_CC); SG(server_context) = NULL; /* The server context (request) is invalid by the time run_cleanups() is called */ if(SG(sapi_started)) { php_request_shutdown(dummy); SG(sapi_started) = 0; } AP(in_request) = 0; if(AP(setup_env)) { AP(setup_env) = 0; } AP(current_hook) = AP_WAITING_FOR_REQUEST; AP(headers_sent) = 0; } /* }}} */ /* {{{ php_apache_sapi_activate */ static int php_apache_sapi_activate(TSRMLS_D) { request_rec *r = (request_rec *) SG(server_context); /* * For the Apache module version, this bit of code registers a cleanup * function that gets triggered when our request pool is destroyed. * We need this because at any point in our code we can be interrupted * and that may happen before we have had time to free our memory. * The php_request_shutdown function needs to free all outstanding allocated * memory. */ block_alarms(); register_cleanup(r->pool, NULL, php_apache_request_shutdown, php_request_shutdown_for_exec); AP(in_request)=1; unblock_alarms(); /* Override the default headers_only value - sometimes "GET" requests should actually only * send headers. */ SG(request_info).headers_only = r->header_only; return SUCCESS; } /* }}} */ /* {{{ php_apache_get_stat */ static struct stat *php_apache_get_stat(TSRMLS_D) { return &((request_rec *) SG(server_context))->finfo; } /* }}} */ /* {{{ php_apache_getenv */ static char *php_apache_getenv(char *name, size_t name_len TSRMLS_DC) { return (char *) table_get(((request_rec *) SG(server_context))->subprocess_env, name); } /* }}} */ /* {{{ sapi_module_struct apache_sapi_module */ static sapi_module_struct apache_sapi_module = { "apache", /* name */ "Apache", /* pretty name */ php_apache_startup, /* startup */ php_module_shutdown_wrapper, /* shutdown */ php_apache_sapi_activate, /* activate */ NULL, /* deactivate */ sapi_apache_ub_write, /* unbuffered write */ sapi_apache_flush, /* flush */ php_apache_get_stat, /* get uid */ php_apache_getenv, /* getenv */ php_error, /* error handler */ sapi_apache_header_handler, /* header handler */ sapi_apache_send_headers, /* send headers handler */ NULL, /* send header handler */ sapi_apache_read_post, /* read POST data */ sapi_apache_read_cookies, /* read Cookies */ sapi_apache_register_server_variables, /* register server variables */ php_apache_log_message, /* Log message */ NULL, /* Get request time */ NULL, /* child terminate */ NULL, /* php.ini path override */ #ifdef PHP_WIN32 NULL, NULL, #else block_alarms, /* Block interruptions */ unblock_alarms, /* Unblock interruptions */ #endif NULL, /* default post reader */ NULL, /* treat data */ NULL, /* exe location */ 0, /* ini ignore */ NULL }; /* }}} */ /* {{{ php_restore_umask */ static void php_restore_umask(void) { umask(saved_umask); } /* }}} */ /* {{{ init_request_info */ static void init_request_info(TSRMLS_D) { request_rec *r = ((request_rec *) SG(server_context)); char *content_length = (char *) table_get(r->subprocess_env, "CONTENT_LENGTH"); const char *authorization=NULL; char *tmp, *tmp_user; SG(request_info).query_string = r->args; SG(request_info).path_translated = r->filename; SG(request_info).request_uri = r->uri; SG(request_info).request_method = (char *)r->method; SG(request_info).proto_num = r->proto_num; SG(request_info).content_type = (char *) table_get(r->subprocess_env, "CONTENT_TYPE"); SG(request_info).content_length = (content_length ? atol(content_length) : 0); SG(sapi_headers).http_response_code = r->status; if (r->headers_in) { authorization = table_get(r->headers_in, "Authorization"); } SG(request_info).auth_user = NULL; SG(request_info).auth_password = NULL; if (authorization && !auth_type(r)) { if (!strcasecmp(getword(r->pool, &authorization, ' '), "Basic")) { tmp = uudecode(r->pool, authorization); tmp_user = getword_nulls_nc(r->pool, &tmp, ':'); if (tmp_user) { r->connection->user = pstrdup(r->connection->pool, tmp_user); r->connection->ap_auth_type = "Basic"; SG(request_info).auth_user = estrdup(tmp_user); } if (tmp) { SG(request_info).auth_password = estrdup(tmp); } } else if (!strcasecmp(getword(r->pool, &authorization, ' '), "Digest")) { r->connection->ap_auth_type = "Digest"; SG(request_info).auth_digest = estrdup(authorization); } } } /* }}} */ /* {{{ php_apache_alter_ini_entries */ static int php_apache_alter_ini_entries(php_per_dir_entry *per_dir_entry TSRMLS_DC) { zend_alter_ini_entry(per_dir_entry->key, per_dir_entry->key_length+1, per_dir_entry->value, per_dir_entry->value_length, per_dir_entry->type, PHP_INI_STAGE_ACTIVATE); return 0; } /* }}} */ /* {{{ php_apache_get_default_mimetype */ static char *php_apache_get_default_mimetype(request_rec *r TSRMLS_DC) { char *mimetype; if (SG(default_mimetype) || SG(default_charset)) { /* Assume output will be of the default MIME type. Individual scripts may change this later. */ char *tmpmimetype; tmpmimetype = sapi_get_default_content_type(TSRMLS_C); mimetype = pstrdup(r->pool, tmpmimetype); efree(tmpmimetype); } else { mimetype = SAPI_DEFAULT_MIMETYPE "; charset=" SAPI_DEFAULT_CHARSET; } return mimetype; } /* }}} */ /* {{{ send_php */ static int send_php(request_rec *r, int display_source_mode, char *filename) { int retval; php_per_dir_config *per_dir_conf; TSRMLS_FETCH(); if (AP(in_request)) { zend_file_handle fh; fh.filename = r->filename; fh.opened_path = NULL; fh.free_filename = 0; fh.type = ZEND_HANDLE_FILENAME; zend_execute_scripts(ZEND_INCLUDE TSRMLS_CC, NULL, 1, &fh); return OK; } zend_first_try { /* Make sure file exists */ if (filename == NULL && r->finfo.st_mode == 0) { return DECLINED; } per_dir_conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); if (per_dir_conf) { zend_hash_apply((HashTable *) per_dir_conf->ini_settings, (apply_func_t) php_apache_alter_ini_entries TSRMLS_CC); } /* If PHP parser engine has been turned off with an "engine off" * directive, then decline to handle this request */ if (!AP(engine)) { r->content_type = php_apache_get_default_mimetype(r TSRMLS_CC); r->allowed |= (1 << METHODS) - 1; zend_try { zend_ini_deactivate(TSRMLS_C); } zend_end_try(); return DECLINED; } if (filename == NULL) { filename = r->filename; } /* 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))) { zend_try { zend_ini_deactivate(TSRMLS_C); } zend_end_try(); return retval; } #endif if (AP(last_modified)) { #if MODULE_MAGIC_NUMBER < 19970912 if ((retval = set_last_modified(r, r->finfo.st_mtime))) { zend_try { zend_ini_deactivate(TSRMLS_C); } zend_end_try(); return retval; } #else update_mtime (r, r->finfo.st_mtime); set_last_modified(r); set_etag(r); #endif } /* Assume output will be of the default MIME type. Individual scripts may change this later in the request. */ r->content_type = php_apache_get_default_mimetype(r TSRMLS_CC); /* Init timeout */ hard_timeout("send", r); SG(server_context) = r; php_save_umask(); if(!AP(setup_env)) { AP(setup_env) = 1; add_common_vars(r); add_cgi_vars(r); } init_request_info(TSRMLS_C); apache_php_module_main(r, display_source_mode TSRMLS_CC); /* Done, restore umask, turn off timeout, close file and return */ php_restore_umask(); kill_timeout(r); } zend_end_try(); return OK; } /* }}} */ /* {{{ send_parsed_php */ static int send_parsed_php(request_rec * r) { int result = send_php(r, 0, NULL); TSRMLS_FETCH(); ap_table_setn(r->notes, "mod_php_memory_usage", ap_psprintf(r->pool, "%u", zend_memory_peak_usage(1 TSRMLS_CC))); return result; } /* }}} */ /* {{{ send_parsed_php_source */ static int send_parsed_php_source(request_rec * r) { return send_php(r, 1, NULL); } /* }}} */ /* {{{ destroy_per_dir_entry */ static void destroy_per_dir_entry(php_per_dir_entry *per_dir_entry) { free(per_dir_entry->key); free(per_dir_entry->value); } /* }}} */ /* {{{ copy_per_dir_entry */ static void copy_per_dir_entry(php_per_dir_entry *per_dir_entry) { php_per_dir_entry tmp = *per_dir_entry; per_dir_entry->key = (char *) malloc(tmp.key_length+1); memcpy(per_dir_entry->key, tmp.key, tmp.key_length); per_dir_entry->key[per_dir_entry->key_length] = 0; per_dir_entry->value = (char *) malloc(tmp.value_length+1); memcpy(per_dir_entry->value, tmp.value, tmp.value_length); per_dir_entry->value[per_dir_entry->value_length] = 0; } /* }}} */ /* {{{ should_overwrite_per_dir_entry; */ static zend_bool should_overwrite_per_dir_entry(HashTable *target_ht, php_per_dir_entry *orig_per_dir_entry, zend_hash_key *hash_key, void *pData) { php_per_dir_entry *new_per_dir_entry; if (zend_hash_find(target_ht, hash_key->arKey, hash_key->nKeyLength, (void **) &new_per_dir_entry)==FAILURE) { return 1; /* does not exist in dest, copy from source */ } if (new_per_dir_entry->type==PHP_INI_SYSTEM && orig_per_dir_entry->type!=PHP_INI_SYSTEM) { return 1; } else { return 0; } } /* }}} */ /* {{{ php_destroy_per_server_info */ static void php_destroy_per_server_info(php_per_server_config *conf) { php_handler_stack_destroy(&conf->requires); php_handler_stack_destroy(&conf->uri_handlers); } /* }}} */ /* {{{ php_destroy_per_dir_info */ static void php_destroy_per_dir_info(php_per_dir_config *conf) { zend_hash_destroy(conf->ini_settings); php_handler_stack_destroy(&conf->response_handlers); php_handler_stack_destroy(&conf->auth_handlers); php_handler_stack_destroy(&conf->access_handlers); php_handler_stack_destroy(&conf->type_handlers); php_handler_stack_destroy(&conf->fixup_handlers); php_handler_stack_destroy(&conf->logger_handlers); php_handler_stack_destroy(&conf->post_read_handlers); php_handler_stack_destroy(&conf->headers_handlers); free(conf->ini_settings); } /* }}} */ /* {{{ php_create_server */ static void *php_create_server(pool *p, char *dummy) { php_per_server_config *conf; conf = (php_per_server_config *) malloc(sizeof(php_per_server_config)); register_cleanup(p, (void *) conf, (void (*)(void *)) php_destroy_per_server_info, (void (*)(void *)) php_destroy_per_server_info); sapi_stack_init_ex(&conf->requires, 1); sapi_stack_init_ex(&conf->uri_handlers, 1); return conf; } /* }}} */ /* {{{ php_create_dir */ static void *php_create_dir(pool *p, char *dummy) { php_per_dir_config *conf; conf = (php_per_dir_config *) malloc(sizeof(php_per_dir_config)); conf->ini_settings = (HashTable *) malloc(sizeof(HashTable)); zend_hash_init_ex(conf->ini_settings, 5, NULL, (void (*)(void *)) destroy_per_dir_entry, 1, 0); sapi_stack_init_ex(&conf->response_handlers, 1); sapi_stack_init_ex(&conf->headers_handlers, 1); sapi_stack_init_ex(&conf->auth_handlers, 1); sapi_stack_init_ex(&conf->access_handlers, 1); sapi_stack_init_ex(&conf->type_handlers, 1); sapi_stack_init_ex(&conf->fixup_handlers, 1); sapi_stack_init_ex(&conf->logger_handlers, 1); sapi_stack_init_ex(&conf->post_read_handlers, 1); register_cleanup(p, (void *) conf, (void (*)(void *)) php_destroy_per_dir_info, (void (*)(void *)) php_destroy_per_dir_info); return conf; } /* }}} */ /* {{{ php_merge_dir */ static void *php_merge_dir(pool *p, void *basev, void *addv) { php_per_dir_config *a = (php_per_dir_config *) addv; php_per_dir_config *b = (php_per_dir_config *) basev; /* This function *must* return addv, and not modify basev */ zend_hash_merge_ex((HashTable *) a->ini_settings, (HashTable *) b->ini_settings, (copy_ctor_func_t) copy_per_dir_entry, sizeof(php_per_dir_entry), (merge_checker_func_t) should_overwrite_per_dir_entry, NULL); a->headers_handlers = (a->headers_handlers.top)?a->headers_handlers:b->headers_handlers; a->auth_handlers = (a->auth_handlers.top)?a->auth_handlers:b->auth_handlers; a->access_handlers = (a->access_handlers.top)?a->access_handlers:b->access_handlers; a->type_handlers = (a->type_handlers.top)?a->type_handlers:b->type_handlers; a->fixup_handlers = (a->fixup_handlers.top)?a->fixup_handlers:b->fixup_handlers; a->logger_handlers = (a->logger_handlers.top)?a->logger_handlers:b->logger_handlers; a->post_read_handlers = (a->post_read_handlers.top)?a->post_read_handlers:b->post_read_handlers; a->response_handlers = (a->response_handlers.top)?a->response_handlers:b->response_handlers; return a; } /* }}} */ /* {{{ php_apache_value_handler_ex */ static CONST_PREFIX char *php_apache_value_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode) { php_per_dir_entry per_dir_entry; if (!apache_php_initialized) { apache_php_initialized = 1; #ifdef ZTS tsrm_startup(1, 1, 0, NULL); #endif sapi_startup(&apache_sapi_module); php_apache_startup(&apache_sapi_module); } per_dir_entry.type = mode; if (strcasecmp(arg2, "none") == 0) { arg2 = ""; } per_dir_entry.key_length = strlen(arg1); per_dir_entry.value_length = strlen(arg2); per_dir_entry.key = (char *) malloc(per_dir_entry.key_length+1); memcpy(per_dir_entry.key, arg1, per_dir_entry.key_length); per_dir_entry.key[per_dir_entry.key_length] = 0; per_dir_entry.value = (char *) malloc(per_dir_entry.value_length+1); memcpy(per_dir_entry.value, arg2, per_dir_entry.value_length); per_dir_entry.value[per_dir_entry.value_length] = 0; zend_hash_update(conf, per_dir_entry.key, per_dir_entry.key_length, &per_dir_entry, sizeof(php_per_dir_entry), NULL); return NULL; } /* }}} */ static CONST_PREFIX char *php_set_server_handler(server_rec *s, char *arg1, long handler_stage, long handler_type) { php_per_server_config *conf; php_handler *handler; handler = (php_handler *) malloc(sizeof(php_handler)); handler->type = handler_type; handler->stage = handler_stage; handler->name = strdup(arg1); conf = get_module_config(s->module_config, &php5_module); switch(handler_stage) { case AP_URI_TRANS: sapi_stack_push(&conf->uri_handlers, handler); break; default: sapi_stack_push(&conf->requires, handler); break; } return NULL; } static CONST_PREFIX char *php_set_dir_handler(php_per_dir_config *conf, char *arg1, long handler_stage, long handler_type) { php_handler *handler; handler = (php_handler *) malloc(sizeof(php_handler)); handler->type = handler_type; handler->stage = handler_stage; handler->name = strdup(arg1); switch(handler_stage) { case AP_POST_READ: sapi_stack_push(&conf->post_read_handlers, handler); break; case AP_HEADER_PARSE: sapi_stack_push(&conf->headers_handlers, handler); break; case AP_ACCESS_CONTROL: sapi_stack_push(&conf->access_handlers, handler); break; case AP_AUTHENTICATION: sapi_stack_push(&conf->auth_handlers, handler); break; case AP_AUTHORIZATION: break; case AP_TYPE_CHECKING: sapi_stack_push(&conf->type_handlers, handler); break; case AP_FIXUP: sapi_stack_push(&conf->fixup_handlers, handler); break; case AP_RESPONSE: sapi_stack_push(&conf->response_handlers, handler); break; case AP_LOGGING: sapi_stack_push(&conf->logger_handlers, handler); break; default: break; } return NULL; } /* {{{ php_set_uri_handler */ static CONST_PREFIX char *php_set_uri_handler(cmd_parms *cmd, void *dummy, char *arg1) { return php_set_server_handler(cmd->server, arg1, AP_URI_TRANS, AP_HANDLER_TYPE_FILE); } /* }}} */ /* {{{ php_set_uri_handler_code */ static CONST_PREFIX char *php_set_uri_handler_code(cmd_parms *cmd, void *dummy, char *arg1) { return php_set_server_handler(cmd->server, arg1, AP_URI_TRANS, AP_HANDLER_TYPE_METHOD); } /* }}} */ /* {{{ php_set_header_handler */ static CONST_PREFIX char *php_set_header_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_HEADER_PARSE, AP_HANDLER_TYPE_FILE); } static CONST_PREFIX char *php_set_header_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_HEADER_PARSE, AP_HANDLER_TYPE_METHOD); } /* }}} */ /* {{{ php_set_auth_handler */ static CONST_PREFIX char *php_set_auth_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_AUTHENTICATION, AP_HANDLER_TYPE_FILE); } static CONST_PREFIX char *php_set_auth_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_AUTHENTICATION, AP_HANDLER_TYPE_METHOD); } /* }}} */ /* {{{ php_set_access_handler */ static CONST_PREFIX char *php_set_access_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_ACCESS_CONTROL, AP_HANDLER_TYPE_FILE); } static CONST_PREFIX char *php_set_access_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_ACCESS_CONTROL, AP_HANDLER_TYPE_METHOD); } /* }}} */ /* {{{ php_set_type_handler */ static CONST_PREFIX char *php_set_type_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_TYPE_CHECKING, AP_HANDLER_TYPE_FILE); } static CONST_PREFIX char *php_set_type_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_TYPE_CHECKING, AP_HANDLER_TYPE_METHOD); } /* }}} */ /* {{{ php_set_fixup_handler */ static CONST_PREFIX char *php_set_fixup_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_FIXUP, AP_HANDLER_TYPE_FILE); } static CONST_PREFIX char *php_set_fixup_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_FIXUP, AP_HANDLER_TYPE_METHOD); } /* }}} */ /* {{{ php_set_logger_handler */ static CONST_PREFIX char *php_set_logger_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_LOGGING, AP_HANDLER_TYPE_FILE); } static CONST_PREFIX char *php_set_logger_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_LOGGING, AP_HANDLER_TYPE_METHOD); } /* }}} */ /* {{{ php_set_post_read_handler */ static CONST_PREFIX char *php_set_post_read_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_POST_READ, AP_HANDLER_TYPE_FILE); } static CONST_PREFIX char *php_set_post_read_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_POST_READ, AP_HANDLER_TYPE_METHOD); } /* }}} */ /* {{{ php_set_require */ static CONST_PREFIX char *php_set_require(cmd_parms *cmd, void *dummy, char *arg1) { return php_set_server_handler(cmd->server, arg1, 0, AP_HANDLER_TYPE_FILE); } /* }}} */ /* {{{ php_set_response_handler */ static CONST_PREFIX char *php_set_response_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_RESPONSE, AP_HANDLER_TYPE_FILE); } static CONST_PREFIX char *php_set_response_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1) { return php_set_dir_handler(conf, arg1, AP_RESPONSE, AP_HANDLER_TYPE_METHOD); } /* }}} */ /* {{{ php_apache_value_handler */ static CONST_PREFIX char *php_apache_value_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2) { return php_apache_value_handler_ex(cmd, conf->ini_settings, arg1, arg2, PHP_INI_PERDIR); } /* }}} */ /* {{{ php_apache_admin_value_handler */ static CONST_PREFIX char *php_apache_admin_value_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2) { return php_apache_value_handler_ex(cmd, conf->ini_settings, arg1, arg2, PHP_INI_SYSTEM); } /* }}} */ /* {{{ php_apache_flag_handler_ex */ static CONST_PREFIX char *php_apache_flag_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode) { char bool_val[2]; if (!strcasecmp(arg2, "On")) { bool_val[0] = '1'; } else { bool_val[0] = '0'; } bool_val[1] = 0; return php_apache_value_handler_ex(cmd, conf, arg1, bool_val, mode); } /* }}} */ /* {{{ php_apache_flag_handler */ static CONST_PREFIX char *php_apache_flag_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2) { return php_apache_flag_handler_ex(cmd, conf->ini_settings, arg1, arg2, PHP_INI_PERDIR); } /* }}} */ /* {{{ php_apache_admin_flag_handler */ static CONST_PREFIX char *php_apache_admin_flag_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2) { return php_apache_flag_handler_ex(cmd, conf->ini_settings, arg1, arg2, PHP_INI_SYSTEM); } /* }}} */ /* {{{ php_apache_phpini_set */ static CONST_PREFIX char *php_apache_phpini_set(cmd_parms *cmd, HashTable *conf, char *arg) { if (apache_sapi_module.php_ini_path_override) { return "Only first PHPINIDir directive honored per configuration tree - subsequent ones ignored"; } apache_sapi_module.php_ini_path_override = ap_server_root_relative(cmd->pool, arg); return NULL; } /* }}} */ /* {{{ int php_xbithack_handler(request_rec * r) */ static int php_xbithack_handler(request_rec * r) { php_per_dir_config *conf; TSRMLS_FETCH(); if (!(r->finfo.st_mode & S_IXUSR)) { r->allowed |= (1 << METHODS) - 1; return DECLINED; } conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); if (conf) { zend_hash_apply((HashTable *) conf->ini_settings, (apply_func_t) php_apache_alter_ini_entries TSRMLS_CC); } if(!AP(xbithack)) { r->allowed |= (1 << METHODS) - 1; zend_try { zend_ini_deactivate(TSRMLS_C); } zend_end_try(); return DECLINED; } return send_parsed_php(r); } /* }}} */ /* {{{ apache_php_module_shutdown_wrapper */ static void apache_php_module_shutdown_wrapper(void) { apache_php_initialized = 0; apache_sapi_module.shutdown(&apache_sapi_module); #if MODULE_MAGIC_NUMBER >= 19970728 /* This function is only called on server exit if the apache API * child_exit handler exists, so shutdown globally */ sapi_shutdown(); #endif #ifdef ZTS tsrm_shutdown(); #endif } /* }}} */ #if MODULE_MAGIC_NUMBER >= 19970728 /* {{{ php_child_exit_handler */ static void php_child_exit_handler(server_rec *s, pool *p) { /* apache_php_initialized = 0; */ apache_sapi_module.shutdown(&apache_sapi_module); #ifdef ZTS tsrm_shutdown(); #endif } /* }}} */ #endif /* {{{ void php_init_handler(server_rec *s, pool *p) */ static void php_init_handler(server_rec *s, pool *p) { register_cleanup(p, NULL, (void (*)(void *))apache_php_module_shutdown_wrapper, (void (*)(void *))php_module_shutdown_for_exec); if (!apache_php_initialized) { apache_php_initialized = 1; #ifdef ZTS tsrm_startup(1, 1, 0, NULL); #endif sapi_startup(&apache_sapi_module); php_apache_startup(&apache_sapi_module); } #if MODULE_MAGIC_NUMBER >= 19980527 { TSRMLS_FETCH(); if (PG(expose_php)) { ap_add_version_component("PHP/" PHP_VERSION); } } #endif } /* }}} */ static int php_run_hook(php_handler *handler, request_rec *r) { zval *ret = NULL; php_per_dir_config *conf; TSRMLS_FETCH(); if(!AP(apache_config_loaded)) { conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); if (conf) zend_hash_apply((HashTable *)conf->ini_settings, (apply_func_t) php_apache_alter_ini_entries TSRMLS_CC); AP(apache_config_loaded) = 1; } if (!handler->name) { return DECLINED; } php_save_umask(); if (!AP(setup_env)) { AP(setup_env) = 1; add_common_vars(r); add_cgi_vars(r); } SG(server_context) = r; init_request_info(TSRMLS_C); apache_php_module_hook(r, handler, &ret TSRMLS_CC); php_restore_umask(); kill_timeout(r); if (ret) { convert_to_long(ret); return Z_LVAL_P(ret); } return HTTP_INTERNAL_SERVER_ERROR; } static int php_uri_translation(request_rec *r) { php_per_server_config *conf; TSRMLS_FETCH(); AP(current_hook) = AP_URI_TRANS; conf = (php_per_server_config *) get_module_config(r->server->module_config, &php5_module); return sapi_stack_apply_with_argument_stop_if_equals(&conf->uri_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r, OK); } static int php_header_hook(request_rec *r) { php_per_dir_config *conf; TSRMLS_FETCH(); AP(current_hook) = AP_HEADER_PARSE; conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); return sapi_stack_apply_with_argument_stop_if_http_error(&conf->headers_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r); } static int php_auth_hook(request_rec *r) { php_per_dir_config *conf; TSRMLS_FETCH(); AP(current_hook) = AP_AUTHENTICATION; conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); return sapi_stack_apply_with_argument_stop_if_equals(&conf->auth_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r, OK); } static int php_access_hook(request_rec *r) { php_per_dir_config *conf; int status = DECLINED; TSRMLS_FETCH(); AP(current_hook) = AP_ACCESS_CONTROL; conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); status = sapi_stack_apply_with_argument_stop_if_http_error(&conf->access_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r); return status; } static int php_type_hook(request_rec *r) { php_per_dir_config *conf; TSRMLS_FETCH(); AP(current_hook) = AP_TYPE_CHECKING; conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); return sapi_stack_apply_with_argument_stop_if_equals(&conf->type_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r, OK); } static int php_fixup_hook(request_rec *r) { php_per_dir_config *conf; TSRMLS_FETCH(); AP(current_hook) = AP_FIXUP; conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); return sapi_stack_apply_with_argument_stop_if_http_error(&conf->fixup_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r); } static int php_logger_hook(request_rec *r) { php_per_dir_config *conf; TSRMLS_FETCH(); AP(current_hook) = AP_LOGGING; conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); return sapi_stack_apply_with_argument_stop_if_http_error(&conf->logger_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r); } static int php_post_read_hook(request_rec *r) { php_per_dir_config *conf; php_per_server_config *svr; TSRMLS_FETCH(); AP(current_hook) = AP_POST_READ; svr = get_module_config(r->server->module_config, &php5_module); if(ap_is_initial_req(r)) { sapi_stack_apply_with_argument_all(&svr->requires, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r); } conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); return sapi_stack_apply_with_argument_stop_if_http_error(&conf->post_read_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r); } static int php_response_handler(request_rec *r) { php_per_dir_config *conf; TSRMLS_FETCH(); AP(current_hook) = AP_RESPONSE; conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module); return sapi_stack_apply_with_argument_all(&conf->response_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r); } /* {{{ handler_rec php_handlers[] */ handler_rec php_handlers[] = { {"application/x-httpd-php", send_parsed_php}, {"application/x-httpd-php-source", send_parsed_php_source}, {"text/html", php_xbithack_handler}, {"php-script", php_response_handler}, {NULL} }; /* }}} */ /* {{{ command_rec php_commands[] */ command_rec php_commands[] = { {"php_value", php_apache_value_handler, NULL, OR_OPTIONS, TAKE2, "PHP Value Modifier"}, {"phpUriHandler", php_set_uri_handler, NULL, RSRC_CONF, TAKE1, "PHP Value Modifier"}, {"phpUriHandlerMethod", php_set_uri_handler_code, NULL, RSRC_CONF, TAKE1, "PHP Value Modifier"}, #if MODULE_MAGIC_NUMBER >= 19970103 {"phpHeaderHandler", php_set_header_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpHeaderHandlerMethod", php_set_header_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, #endif {"phpAuthHandler", php_set_auth_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpAuthHandlerMethod", php_set_auth_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpAccessHandler", php_set_access_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpAccessHandlerMethod", php_set_access_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpTypeHandler", php_set_type_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpTypeHandlerMethod", php_set_type_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpFixupHandler", php_set_fixup_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpFixupHandlerMethod", php_set_fixup_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpLoggerHandler", php_set_logger_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpLoggerHandlerMethod", php_set_logger_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, #if MODULE_MAGIC_NUMBER >= 19970902 {"phpPostReadHandler", php_set_post_read_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpPostReadHandlerMethod", php_set_post_read_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpRequire", php_set_require, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpResponseHandler", php_set_response_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, {"phpResponseHandlerMethod", php_set_response_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"}, #endif {"php_flag", php_apache_flag_handler, NULL, OR_OPTIONS, TAKE2, "PHP Flag Modifier"}, {"php_admin_value", php_apache_admin_value_handler, NULL, ACCESS_CONF|RSRC_CONF, TAKE2, "PHP Value Modifier (Admin)"}, {"php_admin_flag", php_apache_admin_flag_handler, NULL, ACCESS_CONF|RSRC_CONF, TAKE2, "PHP Flag Modifier (Admin)"}, {"PHPINIDir", php_apache_phpini_set, NULL, RSRC_CONF, TAKE1, "Directory containing the php.ini file"}, {NULL} }; /* }}} */ /* {{{ module MODULE_VAR_EXPORT php5_module */ module MODULE_VAR_EXPORT php5_module = { STANDARD_MODULE_STUFF, php_init_handler, /* initializer */ php_create_dir, /* per-directory config creator */ php_merge_dir, /* dir merger */ php_create_server, /* per-server config creator */ NULL, /* merge server config */ php_commands, /* command table */ php_handlers, /* handlers */ php_uri_translation, /* filename translation */ NULL, /* check_user_id */ php_auth_hook, /* check auth */ php_access_hook, /* check access */ php_type_hook, /* type_checker */ php_fixup_hook, /* fixups */ php_logger_hook /* logger */ #if MODULE_MAGIC_NUMBER >= 19970103 , php_header_hook /* header parser */ #endif #if MODULE_MAGIC_NUMBER >= 19970719 , NULL /* child_init */ #endif #if MODULE_MAGIC_NUMBER >= 19970728 , php_child_exit_handler /* child_exit */ #endif #if MODULE_MAGIC_NUMBER >= 19970902 , php_post_read_hook /* post read-request */ #endif }; /* }}} */ /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: sw=4 ts=4 fdm=marker * vim<600: sw=4 ts=4 */