diff options
Diffstat (limited to 'sapi/apache2filter/sapi_apache2.c')
| -rw-r--r-- | sapi/apache2filter/sapi_apache2.c | 756 |
1 files changed, 0 insertions, 756 deletions
diff --git a/sapi/apache2filter/sapi_apache2.c b/sapi/apache2filter/sapi_apache2.c deleted file mode 100644 index 3b639db61a..0000000000 --- a/sapi/apache2filter/sapi_apache2.c +++ /dev/null @@ -1,756 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 7 | - +----------------------------------------------------------------------+ - | 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 through the world-wide-web at the following url: | - | 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: Sascha Schumann <sascha@schumann.cx> | - | Parts based on Apache 1.3 SAPI module by | - | Rasmus Lerdorf and Zeev Suraski | - +----------------------------------------------------------------------+ - */ - -/* $Id$ */ - -#include <fcntl.h> - -#define ZEND_INCLUDE_FULL_WINDOWS_HEADERS - -#include "php.h" -#include "php_main.h" -#include "php_ini.h" -#include "php_variables.h" -#include "SAPI.h" - -#include "zend_smart_str.h" -#ifndef NETWARE -#include "ext/standard/php_standard.h" -#else -#include "ext/standard/basic_functions.h" -#endif - -#include "apr_strings.h" -#include "ap_config.h" -#include "apr_buckets.h" -#include "util_filter.h" -#include "httpd.h" -#include "http_config.h" -#include "http_request.h" -#include "http_core.h" -#include "http_protocol.h" -#include "http_log.h" -#include "http_main.h" -#include "util_script.h" -#include "http_core.h" -#include "ap_mpm.h" - -#include "php_apache.h" - -/* UnixWare and Netware define shutdown to _shutdown, which causes problems later - * on when using a structure member named shutdown. Since this source - * file does not use the system call shutdown, it is safe to #undef it. - */ -#undef shutdown - -/* A way to specify the location of the php.ini dir in an apache directive */ -char *apache2_php_ini_path_override = NULL; - -static int -php_apache_sapi_ub_write(const char *str, uint str_length) -{ - apr_bucket *b; - apr_bucket_brigade *bb; - apr_bucket_alloc_t *ba; - ap_filter_t *f; /* remaining output filters */ - php_struct *ctx; - - ctx = SG(server_context); - f = ctx->f; - - if (str_length == 0) return 0; - - ba = f->c->bucket_alloc; - bb = apr_brigade_create(ctx->r->pool, ba); - - b = apr_bucket_transient_create(str, str_length, ba); - APR_BRIGADE_INSERT_TAIL(bb, b); - - if (ap_pass_brigade(f->next, bb) != APR_SUCCESS || ctx->r->connection->aborted) { - php_handle_aborted_connection(); - } - - return str_length; /* we always consume all the data passed to us. */ -} - -static int -php_apache_sapi_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers) -{ - php_struct *ctx; - char *val, *ptr; - - ctx = SG(server_context); - - switch(op) { - case SAPI_HEADER_DELETE: - apr_table_unset(ctx->r->headers_out, sapi_header->header); - return 0; - - case SAPI_HEADER_DELETE_ALL: - apr_table_clear(ctx->r->headers_out); - return 0; - - case SAPI_HEADER_ADD: - case SAPI_HEADER_REPLACE: - val = strchr(sapi_header->header, ':'); - - if (!val) { - sapi_free_header(sapi_header); - return 0; - } - ptr = val; - - *val = '\0'; - - do { - val++; - } while (*val == ' '); - - if (!strcasecmp(sapi_header->header, "content-type")) - ctx->r->content_type = apr_pstrdup(ctx->r->pool, val); - else if (!strcasecmp(sapi_header->header, "content-length")) - ap_set_content_length(ctx->r, strtol(val, (char **)NULL, 10)); - else if (op == SAPI_HEADER_REPLACE) - apr_table_set(ctx->r->headers_out, sapi_header->header, val); - else - apr_table_add(ctx->r->headers_out, sapi_header->header, val); - - *ptr = ':'; - return SAPI_HEADER_ADD; - - default: - return 0; - } -} - -static int -php_apache_sapi_send_headers(sapi_headers_struct *sapi_headers) -{ - php_struct *ctx = SG(server_context); - - ctx->r->status = SG(sapi_headers).http_response_code; - - return SAPI_HEADER_SENT_SUCCESSFULLY; -} - -static int -php_apache_sapi_read_post(char *buf, uint count_bytes) -{ - apr_size_t len; - php_struct *ctx = SG(server_context); - apr_bucket_brigade *brigade; - apr_bucket *partition; - - brigade = ctx->post_data; - len = count_bytes; - - switch (apr_brigade_partition(ctx->post_data, count_bytes, &partition)) { - case APR_SUCCESS: - apr_brigade_flatten(ctx->post_data, buf, &len); - brigade = apr_brigade_split(ctx->post_data, partition); - apr_brigade_destroy(ctx->post_data); - ctx->post_data = brigade; - break; - case APR_INCOMPLETE: - apr_brigade_flatten(ctx->post_data, buf, &len); - apr_brigade_cleanup(ctx->post_data); - break; - } - - return len; -} -static struct stat* -php_apache_sapi_get_stat(void) -{ - php_struct *ctx = SG(server_context); - - ctx->finfo.st_uid = ctx->r->finfo.user; - ctx->finfo.st_gid = ctx->r->finfo.group; - ctx->finfo.st_dev = ctx->r->finfo.device; - ctx->finfo.st_ino = ctx->r->finfo.inode; -#ifdef NETWARE - ctx->finfo.st_atime.tv_sec = apr_time_sec(ctx->r->finfo.atime); - ctx->finfo.st_mtime.tv_sec = apr_time_sec(ctx->r->finfo.mtime); - ctx->finfo.st_ctime.tv_sec = apr_time_sec(ctx->r->finfo.ctime); -#else - ctx->finfo.st_atime = apr_time_sec(ctx->r->finfo.atime); - ctx->finfo.st_mtime = apr_time_sec(ctx->r->finfo.mtime); - ctx->finfo.st_ctime = apr_time_sec(ctx->r->finfo.ctime); -#endif - - ctx->finfo.st_size = ctx->r->finfo.size; - ctx->finfo.st_nlink = ctx->r->finfo.nlink; - - return &ctx->finfo; -} - -static char * -php_apache_sapi_read_cookies(void) -{ - php_struct *ctx = SG(server_context); - const char *http_cookie; - - http_cookie = apr_table_get(ctx->r->headers_in, "cookie"); - - /* The SAPI interface should use 'const char *' */ - return (char *) http_cookie; -} - -static char * -php_apache_sapi_getenv(char *name, size_t name_len) -{ - php_struct *ctx = SG(server_context); - const char *env_var; - - env_var = apr_table_get(ctx->r->subprocess_env, name); - - return (char *) env_var; -} - -static void -php_apache_sapi_register_variables(zval *track_vars_array) -{ - php_struct *ctx = SG(server_context); - const apr_array_header_t *arr = apr_table_elts(ctx->r->subprocess_env); - char *key, *val; - unsigned int new_val_len; - - APR_ARRAY_FOREACH_OPEN(arr, key, val) - if (!val) { - val = ""; - } - if (sapi_module.input_filter(PARSE_SERVER, key, &val, strlen(val), &new_val_len)) { - php_register_variable_safe(key, val, new_val_len, track_vars_array); - } - APR_ARRAY_FOREACH_CLOSE() - - php_register_variable("PHP_SELF", ctx->r->uri, track_vars_array); - if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &ctx->r->uri, strlen(ctx->r->uri), &new_val_len)) { - php_register_variable_safe("PHP_SELF", ctx->r->uri, new_val_len, track_vars_array); - } -} - -static void -php_apache_sapi_flush(void *server_context) -{ - php_struct *ctx; - apr_bucket_brigade *bb; - apr_bucket_alloc_t *ba; - apr_bucket *b; - ap_filter_t *f; /* output filters */ - - ctx = server_context; - - /* If we haven't registered a server_context yet, - * then don't bother flushing. */ - if (!server_context) - return; - - sapi_send_headers(); - - ctx->r->status = SG(sapi_headers).http_response_code; - SG(headers_sent) = 1; - - f = ctx->f; - - /* Send a flush bucket down the filter chain. The current default - * handler seems to act on the first flush bucket, but ignores - * all further flush buckets. - */ - - ba = ctx->r->connection->bucket_alloc; - bb = apr_brigade_create(ctx->r->pool, ba); - b = apr_bucket_flush_create(ba); - APR_BRIGADE_INSERT_TAIL(bb, b); - if (ap_pass_brigade(f->next, bb) != APR_SUCCESS || ctx->r->connection->aborted) { - php_handle_aborted_connection(); - } -} - -static void php_apache_sapi_log_message(char *msg) -{ - php_struct *ctx; - - ctx = SG(server_context); - - if (ctx == NULL) { /* we haven't initialized our ctx yet, oh well */ - ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_STARTUP, 0, NULL, "%s", msg); - } - else { - ap_log_error(APLOG_MARK, APLOG_ERR, 0, ctx->r->server, "%s", msg); - } -} - -static int -php_apache_disable_caching(ap_filter_t *f) -{ - /* Identify PHP scripts as non-cacheable, thus preventing - * Apache from sending a 304 status when the browser sends - * If-Modified-Since header. - */ - f->r->no_local_copy = 1; - - return OK; -} - -static double php_apache_sapi_get_request_time(void) -{ - php_struct *ctx = SG(server_context); - return ((double) apr_time_as_msec(ctx->r->request_time)) / 1000.0; -} - -extern zend_module_entry php_apache_module; - -static int php_apache2_startup(sapi_module_struct *sapi_module) -{ - if (php_module_startup(sapi_module, &php_apache_module, 1)==FAILURE) { - return FAILURE; - } - return SUCCESS; -} - -static sapi_module_struct apache2_sapi_module = { - "apache2filter", - "Apache 2.0 Filter", - - php_apache2_startup, /* startup */ - php_module_shutdown_wrapper, /* shutdown */ - - NULL, /* activate */ - NULL, /* deactivate */ - - php_apache_sapi_ub_write, /* unbuffered write */ - php_apache_sapi_flush, /* flush */ - php_apache_sapi_get_stat, /* get uid */ - php_apache_sapi_getenv, /* getenv */ - - php_error, /* error handler */ - - php_apache_sapi_header_handler, /* header handler */ - php_apache_sapi_send_headers, /* send headers handler */ - NULL, /* send header handler */ - - php_apache_sapi_read_post, /* read POST data */ - php_apache_sapi_read_cookies, /* read Cookies */ - - php_apache_sapi_register_variables, - php_apache_sapi_log_message, /* Log message */ - php_apache_sapi_get_request_time, /* Get Request Time */ - NULL, /* Child terminate */ - - STANDARD_SAPI_MODULE_PROPERTIES -}; - -static int php_input_filter(ap_filter_t *f, apr_bucket_brigade *bb, - ap_input_mode_t mode, apr_read_type_e block, apr_off_t readbytes) -{ - php_struct *ctx; - apr_status_t rv; - - if (f->r->proxyreq) { - return ap_get_brigade(f->next, bb, mode, block, readbytes); - } - - ctx = SG(server_context); - if (ctx == NULL) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, f->r, - "php failed to get server context"); - return HTTP_INTERNAL_SERVER_ERROR; - } - - if ((rv = ap_get_brigade(f->next, bb, mode, block, readbytes)) != APR_SUCCESS) { - return rv; - } - - if (!ctx->post_data) { - ctx->post_data = apr_brigade_create(f->r->pool, f->c->bucket_alloc); - } - if ((rv = ap_save_brigade(f, &ctx->post_data, &bb, f->r->pool)) != APR_SUCCESS) { - return rv; - } - apr_brigade_cleanup(bb); - APR_BRIGADE_INSERT_TAIL(bb, apr_bucket_eos_create(bb->bucket_alloc)); - - return APR_SUCCESS; -} - -static void php_apache_request_ctor(ap_filter_t *f, php_struct *ctx) -{ - char *content_type; - char *content_length; - const char *auth; - - PG(during_request_startup) = 0; - SG(sapi_headers).http_response_code = !f->r->status ? HTTP_OK : f->r->status; - SG(request_info).content_type = apr_table_get(f->r->headers_in, "Content-Type"); -#undef safe_strdup -#define safe_strdup(x) ((x)?strdup((x)):NULL) - SG(request_info).query_string = safe_strdup(f->r->args); - SG(request_info).request_method = f->r->method; - SG(request_info).proto_num = f->r->proto_num; - SG(request_info).request_uri = safe_strdup(f->r->uri); - SG(request_info).path_translated = safe_strdup(f->r->filename); - f->r->no_local_copy = 1; - content_type = sapi_get_default_content_type(); - f->r->content_type = apr_pstrdup(f->r->pool, content_type); - - efree(content_type); - - content_length = (char *) apr_table_get(f->r->headers_in, "Content-Length"); - SG(request_info).content_length = (content_length ? atol(content_length) : 0); - - apr_table_unset(f->r->headers_out, "Content-Length"); - apr_table_unset(f->r->headers_out, "Last-Modified"); - apr_table_unset(f->r->headers_out, "Expires"); - apr_table_unset(f->r->headers_out, "ETag"); - - auth = apr_table_get(f->r->headers_in, "Authorization"); - php_handle_auth_data(auth); - - if (SG(request_info).auth_user == NULL && f->r->user) { - SG(request_info).auth_user = estrdup(f->r->user); - } - - ctx->r->user = apr_pstrdup(ctx->r->pool, SG(request_info).auth_user); - - php_request_startup(); -} - -static void php_apache_request_dtor(ap_filter_t *f) -{ - php_apr_bucket_brigade *pbb = (php_apr_bucket_brigade *)f->ctx; - - php_request_shutdown(NULL); - - if (SG(request_info).query_string) { - free(SG(request_info).query_string); - } - if (SG(request_info).request_uri) { - free(SG(request_info).request_uri); - } - if (SG(request_info).path_translated) { - free(SG(request_info).path_translated); - } - - apr_brigade_destroy(pbb->bb); -} - -static int php_output_filter(ap_filter_t *f, apr_bucket_brigade *bb) -{ - php_struct *ctx; - void *conf = ap_get_module_config(f->r->per_dir_config, &php7_module); - char *p = get_php_config(conf, "engine", sizeof("engine")); - zend_file_handle zfd; - php_apr_bucket_brigade *pbb; - apr_bucket *b; - - if (f->r->proxyreq) { - zend_try { - zend_ini_deactivate(); - } zend_end_try(); - return ap_pass_brigade(f->next, bb); - } - - /* handle situations where user turns the engine off */ - if (*p == '0') { - zend_try { - zend_ini_deactivate(); - } zend_end_try(); - return ap_pass_brigade(f->next, bb); - } - - if(f->ctx) { - pbb = (php_apr_bucket_brigade *)f->ctx; - } else { - pbb = f->ctx = apr_palloc(f->r->pool, sizeof(*pbb)); - pbb->bb = apr_brigade_create(f->r->pool, f->c->bucket_alloc); - } - - if(ap_save_brigade(NULL, &pbb->bb, &bb, f->r->pool) != APR_SUCCESS) { - /* Bad */ - } - - apr_brigade_cleanup(bb); - - /* Check to see if the last bucket in this brigade, it not - * we have to wait until then. */ - if(!APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(pbb->bb))) { - return 0; - } - - /* Setup the CGI variables if this is the main request.. */ - if (f->r->main == NULL || - /* .. or if the sub-request envinronment differs from the main-request. */ - f->r->subprocess_env != f->r->main->subprocess_env - ) { - /* setup standard CGI variables */ - ap_add_common_vars(f->r); - ap_add_cgi_vars(f->r); - } - - ctx = SG(server_context); - if (ctx == NULL) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, f->r, - "php failed to get server context"); - zend_try { - zend_ini_deactivate(); - } zend_end_try(); - return HTTP_INTERNAL_SERVER_ERROR; - } - - ctx->f = f->next; /* save whatever filters are after us in the chain. */ - - if (ctx->request_processed) { - zend_try { - zend_ini_deactivate(); - } zend_end_try(); - return ap_pass_brigade(f->next, bb); - } - - apply_config(conf); - php_apache_request_ctor(f, ctx); - - /* It'd be nice if we could highlight based of a zend_file_handle here.... - * ...but we can't. */ - - zfd.type = ZEND_HANDLE_STREAM; - - zfd.handle.stream.handle = pbb; - zfd.handle.stream.reader = php_apache_read_stream; - zfd.handle.stream.closer = NULL; - zfd.handle.stream.fsizer = php_apache_fsizer_stream; - zfd.handle.stream.isatty = 0; - - zfd.filename = f->r->filename; - zfd.opened_path = NULL; - zfd.free_filename = 0; - - php_execute_script(&zfd); - - apr_table_set(ctx->r->notes, "mod_php_memory_usage", - apr_psprintf(ctx->r->pool, "%lu", (unsigned long) zend_memory_peak_usage(1))); - - php_apache_request_dtor(f); - - if (!f->r->main) { - ctx->request_processed = 1; - } - - b = apr_bucket_eos_create(f->c->bucket_alloc); - APR_BRIGADE_INSERT_TAIL(pbb->bb, b); - - /* Pass whatever is left on the brigade. */ - return ap_pass_brigade(f->next, pbb->bb); -} - -static apr_status_t -php_apache_server_shutdown(void *tmp) -{ - apache2_sapi_module.shutdown(&apache2_sapi_module); - sapi_shutdown(); -#ifdef ZTS - tsrm_shutdown(); -#endif - return APR_SUCCESS; -} - -static void php_apache_add_version(apr_pool_t *p) -{ - if (PG(expose_php)) { - ap_add_version_component(p, "PHP/" PHP_VERSION); - } -} - -static int php_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp) -{ -#ifndef ZTS - int threaded_mpm; - - ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm); - if(threaded_mpm) { - ap_log_error(APLOG_MARK, APLOG_CRIT, 0, 0, "Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe. You need to recompile PHP."); - return DONE; - } -#endif - /* When this is NULL, apache won't override the hard-coded default - * php.ini path setting. */ - apache2_php_ini_path_override = NULL; - return OK; -} - -static int -php_apache_server_startup(apr_pool_t *pconf, apr_pool_t *plog, - apr_pool_t *ptemp, server_rec *s) -{ - void *data = NULL; - const char *userdata_key = "apache2filter_post_config"; - - /* Apache will load, unload and then reload a DSO module. This - * prevents us from starting PHP until the second load. */ - apr_pool_userdata_get(&data, userdata_key, s->process->pool); - if (data == NULL) { - /* We must use set() here and *not* setn(), otherwise the - * static string pointed to by userdata_key will be mapped - * to a different location when the DSO is reloaded and the - * pointers won't match, causing get() to return NULL when - * we expected it to return non-NULL. */ - apr_pool_userdata_set((const void *)1, userdata_key, - apr_pool_cleanup_null, s->process->pool); - return OK; - } - - /* Set up our overridden path. */ - if (apache2_php_ini_path_override) { - apache2_sapi_module.php_ini_path_override = apache2_php_ini_path_override; - } -#ifdef ZTS - tsrm_startup(1, 1, 0, NULL); -#endif - sapi_startup(&apache2_sapi_module); - apache2_sapi_module.startup(&apache2_sapi_module); - apr_pool_cleanup_register(pconf, NULL, php_apache_server_shutdown, apr_pool_cleanup_null); - php_apache_add_version(pconf); - - return OK; -} - -static void php_add_filter(request_rec *r, ap_filter_t *f) -{ - int output = (f == r->output_filters); - - /* for those who still have Set*Filter PHP configured */ - while (f) { - if (strcmp(f->frec->name, "PHP") == 0) { - ap_log_error(APLOG_MARK, APLOG_WARNING, - 0, r->server, - "\"Set%sFilter PHP\" already configured for %s", - output ? "Output" : "Input", r->uri); - return; - } - f = f->next; - } - - if (output) { - ap_add_output_filter("PHP", NULL, r, r->connection); - } else { - ap_add_input_filter("PHP", NULL, r, r->connection); - } -} - -static void php_insert_filter(request_rec *r) -{ - int content_type_len = strlen("application/x-httpd-php"); - - if (r->content_type && !strncmp(r->content_type, "application/x-httpd-php", content_type_len-1)) { - if (r->content_type[content_type_len] == '\0' || !strncmp(r->content_type+content_type_len, "-source", sizeof("-source"))) { - php_add_filter(r, r->output_filters); - php_add_filter(r, r->input_filters); - } - } -} - -static apr_status_t php_server_context_cleanup(void *data_) -{ - void **data = data_; - *data = NULL; - return APR_SUCCESS; -} - -static int php_post_read_request(request_rec *r) -{ - php_struct *ctx; - - /* Initialize filter context */ - SG(server_context) = ctx = apr_pcalloc(r->pool, sizeof(*ctx)); - - /* register a cleanup so we clear out the SG(server_context) - * after each request. Note: We pass in the pointer to the - * server_context in case this is handled by a different thread. */ - apr_pool_cleanup_register(r->pool, (void *)&SG(server_context), - php_server_context_cleanup, - apr_pool_cleanup_null); - - /* Save the entire request, so we can get the input or output - * filters if we need them. */ - ctx->r = r; - - return OK; -} - -static void php_register_hook(apr_pool_t *p) -{ - ap_hook_pre_config(php_pre_config, NULL, NULL, APR_HOOK_MIDDLE); - ap_hook_post_config(php_apache_server_startup, NULL, NULL, APR_HOOK_MIDDLE); - ap_hook_insert_filter(php_insert_filter, NULL, NULL, APR_HOOK_MIDDLE); - ap_hook_post_read_request(php_post_read_request, NULL, NULL, APR_HOOK_MIDDLE); - ap_register_output_filter("PHP", php_output_filter, php_apache_disable_caching, AP_FTYPE_RESOURCE); - ap_register_input_filter("PHP", php_input_filter, php_apache_disable_caching, AP_FTYPE_RESOURCE); -} - -static size_t php_apache_read_stream(void *handle, char *buf, size_t wantlen) -{ - php_apr_bucket_brigade *pbb = (php_apr_bucket_brigade *)handle; - apr_bucket_brigade *rbb; - apr_size_t readlen; - apr_bucket *b = NULL; - - rbb = pbb->bb; - - if((apr_brigade_partition(pbb->bb, wantlen, &b) == APR_SUCCESS) && b){ - pbb->bb = apr_brigade_split(rbb, b); - } - - readlen = wantlen; - apr_brigade_flatten(rbb, buf, &readlen); - apr_brigade_cleanup(rbb); - - return readlen; -} - -static size_t php_apache_fsizer_stream(void *handle) -{ - php_apr_bucket_brigade *pbb = (php_apr_bucket_brigade *)handle; - apr_off_t actual = 0; - - if (apr_brigade_length(pbb->bb, 1, &actual) == APR_SUCCESS) { - return actual; - } - - return 0; -} - -AP_MODULE_DECLARE_DATA module php7_module = { - STANDARD20_MODULE_STUFF, - create_php_config, /* create per-directory config structure */ - merge_php_config, /* merge per-directory config structures */ - NULL, /* create per-server config structure */ - NULL, /* merge per-server config structures */ - php_dir_cmds, /* command apr_table_t */ - php_register_hook /* register hooks */ -}; - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim600: sw=4 ts=4 fdm=marker - * vim<600: sw=4 ts=4 - */ |