diff options
Diffstat (limited to 'sapi/apache2filter/sapi_apache2.c')
| -rw-r--r-- | sapi/apache2filter/sapi_apache2.c | 570 |
1 files changed, 0 insertions, 570 deletions
diff --git a/sapi/apache2filter/sapi_apache2.c b/sapi/apache2filter/sapi_apache2.c deleted file mode 100644 index 4bd2a52146..0000000000 --- a/sapi/apache2filter/sapi_apache2.c +++ /dev/null @@ -1,570 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 4 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2002 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 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/2_02.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 | - +----------------------------------------------------------------------+ - */ - -#include <fcntl.h> - -#include "php.h" -#include "php_main.h" -#include "php_ini.h" -#include "php_variables.h" -#include "SAPI.h" - -#include "ext/standard/php_smart_str.h" - -#include "apr_strings.h" -#include "ap_config.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 "php_apache.h" - -/* 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 TSRMLS_DC) -{ - 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); - - /* Add a Flush bucket to the end of this brigade, so that - * the transient buckets above are more likely to make it out - * the end of the filter instead of having to be copied into - * someone's setaside. */ - b = apr_bucket_flush_create(ba); - APR_BRIGADE_INSERT_TAIL(bb, b); - - if (ap_pass_brigade(f->next, bb) != APR_SUCCESS) { - 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_headers_struct *sapi_headers TSRMLS_DC) -{ - php_struct *ctx; - ap_filter_t *f; - char *val; - - ctx = SG(server_context); - f = ctx->r->output_filters; - - val = strchr(sapi_header->header, ':'); - - if (!val) return 0; - - *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 (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); - - sapi_free_header(sapi_header); - - return 0; -} - -static int -php_apache_sapi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC) -{ - 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 TSRMLS_DC) -{ - int n; - int to_read; - php_struct *ctx = SG(server_context); - - to_read = ctx->post_len - ctx->post_idx; - n = MIN(to_read, count_bytes); - - if (n > 0) { - memcpy(buf, ctx->post_data + ctx->post_idx, n); - ctx->post_idx += n; - } else { - if (ctx->post_data) free(ctx->post_data); - ctx->post_data = NULL; - } - - return n; -} - -static char * -php_apache_sapi_read_cookies(TSRMLS_D) -{ - 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 void -php_apache_sapi_register_variables(zval *track_vars_array TSRMLS_DC) -{ - php_struct *ctx = SG(server_context); - const apr_array_header_t *arr = apr_table_elts(ctx->r->subprocess_env); - char *key, *val; - - APR_ARRAY_FOREACH_OPEN(arr, key, val) - if (!val) val = empty_string; - php_register_variable(key, val, track_vars_array TSRMLS_CC); - APR_ARRAY_FOREACH_CLOSE() - - php_register_variable("PHP_SELF", ctx->r->uri, track_vars_array TSRMLS_CC); -} - -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; - - 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) { - php_handle_aborted_connection(); - } -} - -static void php_apache_sapi_log_message(char *msg) -{ - php_struct *ctx; - TSRMLS_FETCH(); - - ctx = SG(server_context); - - /* We use APLOG_STARTUP because it keeps us from printing the - * data and time information at the beginning of the error log - * line. Not sure if this is correct, but it mirrors what happens - * with Apache 1.3 -- rbb - */ - if (ctx == NULL) { /* we haven't initialized our ctx yet, oh well */ - ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO | APLOG_STARTUP, - 0, NULL, "%s", msg); - } - else { - ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO | APLOG_STARTUP, - 0, ctx->r->server, "%s", msg); - } -} - -static sapi_module_struct apache2_sapi_module = { - "apache2filter", - "Apache 2.0 Filter", - - php_module_startup, /* startup */ - php_module_shutdown_wrapper, /* shutdown */ - - NULL, /* activate */ - NULL, /* deactivate */ - - php_apache_sapi_ub_write, /* unbuffered write */ - php_apache_sapi_flush, /* flush */ - NULL, /* get uid */ - NULL, /* 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 */ - - NULL, /* php_ini_path_override */ - - NULL, /* Block interruptions */ - NULL, /* Unblock interruptions */ - - 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; - long old_index; - apr_bucket *b; - const char *str; - apr_size_t n; - apr_status_t rv; - TSRMLS_FETCH(); - - 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|APLOG_NOERRNO, 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; - } - - APR_BRIGADE_FOREACH(b, bb) { - apr_bucket_read(b, &str, &n, 1); - if (n > 0) { - old_index = ctx->post_len; - ctx->post_len += n; - ctx->post_data = realloc(ctx->post_data, ctx->post_len + 1); - memcpy(ctx->post_data + old_index, str, n); - } - } - return APR_SUCCESS; -} - -static void php_apache_request_ctor(ap_filter_t *f, php_struct *ctx TSRMLS_DC) -{ - char *content_type; - const char *auth; - - PG(during_request_startup) = 0; - SG(sapi_headers).http_response_code = 200; - 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).request_uri = safe_strdup(f->r->uri); - f->r->no_local_copy = 1; - content_type = sapi_get_default_content_type(TSRMLS_C); - f->r->content_type = apr_pstrdup(f->r->pool, content_type); - SG(request_info).post_data = ctx->post_data; - SG(request_info).post_data_length = ctx->post_len; - efree(content_type); - 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"); - apr_table_unset(f->r->headers_in, "Connection"); - auth = apr_table_get(f->r->headers_in, "Authorization"); - php_handle_auth_data(auth TSRMLS_CC); - - php_request_startup(TSRMLS_C); -} - -static void php_apache_request_dtor(ap_filter_t *f TSRMLS_DC) -{ - php_request_shutdown(NULL); - - if (SG(request_info).query_string) { - free(SG(request_info).query_string); - } - if (SG(request_info).query_string) { - free(SG(request_info).request_uri); - } -} - -static int php_output_filter(ap_filter_t *f, apr_bucket_brigade *bb) -{ - php_struct *ctx; - apr_bucket *b; - void *conf = ap_get_module_config(f->r->per_dir_config, &php4_module); - TSRMLS_FETCH(); - - if (f->r->proxyreq) { - return ap_pass_brigade(f->next, bb); - } - - /* 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|APLOG_NOERRNO, 0, f->r, - "php failed to get server context"); - return HTTP_INTERNAL_SERVER_ERROR; - } - ctx->f = f; /* save whatever filters are after us in the chain. */ - - if (ctx->request_processed) { - return ap_pass_brigade(f->next, bb); - } - - APR_BRIGADE_FOREACH(b, bb) { - zend_file_handle zfd; - - if (!ctx->request_processed && APR_BUCKET_IS_FILE(b)) { - const char *path; - apr_bucket_brigade *prebb = bb; - - /* Split the brigade into two brigades before and after - * the file bucket. Leave the "after the FILE" brigade - * in the original bb, so it gets passed outside of this - * loop. */ - bb = apr_brigade_split(prebb, b); - - /* Pass the "before the FILE" brigade here - * (if it's non-empty). */ - if (!APR_BRIGADE_EMPTY(prebb)) { - apr_status_t rv; - rv = ap_pass_brigade(f->next, prebb); - /* XXX: destroy the prebb, since we know we're - * done with it? */ - if (rv != APR_SUCCESS) { - php_handle_aborted_connection(); - } - } - - apply_config(conf); - php_apache_request_ctor(f, ctx TSRMLS_CC); - - apr_file_name_get(&path, ((apr_bucket_file *) b->data)->fd); - zfd.type = ZEND_HANDLE_FILENAME; - zfd.filename = (char *) path; - zfd.free_filename = 0; - zfd.opened_path = NULL; - - php_execute_script(&zfd TSRMLS_CC); - php_apache_request_dtor(f TSRMLS_CC); - - ctx->request_processed = 1; - - /* Delete the FILE bucket from the brigade. */ - apr_bucket_delete(b); - - /* We won't handle any more buckets in this brigade, so - * it's ok to break out now. */ - break; - } - } - - /* Pass whatever is left on the brigade. */ - return ap_pass_brigade(f->next, bb); -} - -static apr_status_t -php_apache_server_shutdown(void *tmp) -{ - apache2_sapi_module.shutdown(&apache2_sapi_module); - sapi_shutdown(); - tsrm_shutdown(); - return APR_SUCCESS; -} - -static void php_apache_add_version(apr_pool_t *p) -{ - TSRMLS_FETCH(); - 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) -{ - /* 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; - } - - tsrm_startup(1, 1, 0, NULL); - 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_register_module(); - 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 | APLOG_NOERRNO, - 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) -{ - if (r->content_type && - strcmp(r->content_type, "application/x-httpd-php") == 0) { - 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; - TSRMLS_FETCH(); - - /* 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, AP_FTYPE_RESOURCE); - ap_register_input_filter("PHP", php_input_filter, AP_FTYPE_RESOURCE); -} - -AP_MODULE_DECLARE_DATA module php4_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 - */ |