Annotation of embedaddon/php/sapi/apache2handler/apache_config.c, revision 1.1
1.1 ! misho 1: /*
! 2: +----------------------------------------------------------------------+
! 3: | PHP Version 5 |
! 4: +----------------------------------------------------------------------+
! 5: | Copyright (c) 1997-2012 The PHP Group |
! 6: +----------------------------------------------------------------------+
! 7: | This source file is subject to version 3.01 of the PHP license, |
! 8: | that is bundled with this package in the file LICENSE, and is |
! 9: | available through the world-wide-web at the following url: |
! 10: | http://www.php.net/license/3_01.txt |
! 11: | If you did not receive a copy of the PHP license and are unable to |
! 12: | obtain it through the world-wide-web, please send a note to |
! 13: | license@php.net so we can mail you a copy immediately. |
! 14: +----------------------------------------------------------------------+
! 15: | Author: Sascha Schumann <sascha@schumann.cx> |
! 16: +----------------------------------------------------------------------+
! 17: */
! 18:
! 19: /* $Id: apache_config.c 321634 2012-01-01 13:15:04Z felipe $ */
! 20:
! 21: #define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
! 22:
! 23: #include "php.h"
! 24: #include "php_ini.h"
! 25: #include "php_apache.h"
! 26:
! 27: #include "apr_strings.h"
! 28: #include "ap_config.h"
! 29: #include "util_filter.h"
! 30: #include "httpd.h"
! 31: #include "http_config.h"
! 32: #include "http_request.h"
! 33: #include "http_core.h"
! 34: #include "http_protocol.h"
! 35: #include "http_log.h"
! 36: #include "http_main.h"
! 37: #include "util_script.h"
! 38: #include "http_core.h"
! 39:
! 40: #ifdef PHP_AP_DEBUG
! 41: #define phpapdebug(a) fprintf a
! 42: #else
! 43: #define phpapdebug(a)
! 44: #endif
! 45:
! 46: typedef struct {
! 47: HashTable config;
! 48: } php_conf_rec;
! 49:
! 50: typedef struct {
! 51: char *value;
! 52: size_t value_len;
! 53: char status;
! 54: char htaccess;
! 55: } php_dir_entry;
! 56:
! 57: static const char *real_value_hnd(cmd_parms *cmd, void *dummy, const char *name, const char *value, int status)
! 58: {
! 59: php_conf_rec *d = dummy;
! 60: php_dir_entry e;
! 61:
! 62: phpapdebug((stderr, "Getting %s=%s for %p (%d)\n", name, value, dummy, zend_hash_num_elements(&d->config)));
! 63:
! 64: if (!strncasecmp(value, "none", sizeof("none"))) {
! 65: value = "";
! 66: }
! 67:
! 68: e.value = apr_pstrdup(cmd->pool, value);
! 69: e.value_len = strlen(value);
! 70: e.status = status;
! 71: e.htaccess = ((cmd->override & (RSRC_CONF|ACCESS_CONF)) == 0);
! 72:
! 73: zend_hash_update(&d->config, (char *) name, strlen(name) + 1, &e, sizeof(e), NULL);
! 74: return NULL;
! 75: }
! 76:
! 77: static const char *php_apache_value_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
! 78: {
! 79: return real_value_hnd(cmd, dummy, name, value, PHP_INI_PERDIR);
! 80: }
! 81:
! 82: static const char *php_apache_admin_value_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
! 83: {
! 84: return real_value_hnd(cmd, dummy, name, value, PHP_INI_SYSTEM);
! 85: }
! 86:
! 87: static const char *real_flag_hnd(cmd_parms *cmd, void *dummy, const char *arg1, const char *arg2, int status)
! 88: {
! 89: char bool_val[2];
! 90:
! 91: if (!strcasecmp(arg2, "On") || (arg2[0] == '1' && arg2[1] == '\0')) {
! 92: bool_val[0] = '1';
! 93: } else {
! 94: bool_val[0] = '0';
! 95: }
! 96: bool_val[1] = 0;
! 97:
! 98: return real_value_hnd(cmd, dummy, arg1, bool_val, status);
! 99: }
! 100:
! 101: static const char *php_apache_flag_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
! 102: {
! 103: return real_flag_hnd(cmd, dummy, name, value, PHP_INI_PERDIR);
! 104: }
! 105:
! 106: static const char *php_apache_admin_flag_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
! 107: {
! 108: return real_flag_hnd(cmd, dummy, name, value, PHP_INI_SYSTEM);
! 109: }
! 110:
! 111: static const char *php_apache_phpini_set(cmd_parms *cmd, void *mconfig, const char *arg)
! 112: {
! 113: if (apache2_php_ini_path_override) {
! 114: return "Only first PHPINIDir directive honored per configuration tree - subsequent ones ignored";
! 115: }
! 116: apache2_php_ini_path_override = ap_server_root_relative(cmd->pool, arg);
! 117: return NULL;
! 118: }
! 119:
! 120: static zend_bool should_overwrite_per_dir_entry(HashTable *target_ht, php_dir_entry *new_per_dir_entry, zend_hash_key *hash_key, void *pData)
! 121: {
! 122: php_dir_entry *orig_per_dir_entry;
! 123:
! 124: if (zend_hash_find(target_ht, hash_key->arKey, hash_key->nKeyLength, (void **) &orig_per_dir_entry)==FAILURE) {
! 125: return 1; /* does not exist in dest, copy from source */
! 126: }
! 127:
! 128: if (new_per_dir_entry->status >= orig_per_dir_entry->status) {
! 129: /* use new entry */
! 130: phpapdebug((stderr, "ADDING/OVERWRITING %s (%d vs. %d)\n", hash_key->arKey, new_per_dir_entry->status, orig_per_dir_entry->status));
! 131: return 1;
! 132: } else {
! 133: return 0;
! 134: }
! 135: }
! 136:
! 137:
! 138: void *merge_php_config(apr_pool_t *p, void *base_conf, void *new_conf)
! 139: {
! 140: php_conf_rec *d = base_conf, *e = new_conf, *n = NULL;
! 141: #if STAS_0
! 142: php_dir_entry *pe;
! 143: php_dir_entry *data;
! 144: char *str;
! 145: uint str_len;
! 146: ulong num_index;
! 147: #endif
! 148:
! 149: n = create_php_config(p, "merge_php_config");
! 150: /* copy old config */
! 151: zend_hash_copy(&n->config, &d->config, NULL, NULL, sizeof(php_dir_entry));
! 152: /* merge new config */
! 153: phpapdebug((stderr, "Merge dir (%p)+(%p)=(%p)\n", base_conf, new_conf, n));
! 154: zend_hash_merge_ex(&n->config, &e->config, NULL, sizeof(php_dir_entry), (merge_checker_func_t) should_overwrite_per_dir_entry, NULL);
! 155: #if STAS_0
! 156: for (zend_hash_internal_pointer_reset(&d->config);
! 157: zend_hash_get_current_key_ex(&d->config, &str, &str_len,
! 158: &num_index, 0, NULL) == HASH_KEY_IS_STRING;
! 159: zend_hash_move_forward(&d->config)) {
! 160: pe = NULL;
! 161: zend_hash_get_current_data(&d->config, (void **) &data);
! 162: if (zend_hash_find(&n->config, str, str_len, (void **) &pe) == SUCCESS) {
! 163: if (pe->status >= data->status) continue;
! 164: }
! 165: phpapdebug((stderr, "ADDING/OVERWRITING %s (%d vs. %d)\n", str, data->status, pe?pe->status:-1));
! 166: zend_hash_update(&n->config, str, str_len, data, sizeof(*data), NULL);
! 167: }
! 168: #endif
! 169: return n;
! 170: }
! 171:
! 172: char *get_php_config(void *conf, char *name, size_t name_len)
! 173: {
! 174: php_conf_rec *d = conf;
! 175: php_dir_entry *pe;
! 176:
! 177: if (zend_hash_find(&d->config, name, name_len, (void **) &pe) == SUCCESS) {
! 178: return pe->value;
! 179: }
! 180:
! 181: return "";
! 182: }
! 183:
! 184: void apply_config(void *dummy)
! 185: {
! 186: php_conf_rec *d = dummy;
! 187: char *str;
! 188: uint str_len;
! 189: php_dir_entry *data;
! 190:
! 191: for (zend_hash_internal_pointer_reset(&d->config);
! 192: zend_hash_get_current_key_ex(&d->config, &str, &str_len, NULL, 0,
! 193: NULL) == HASH_KEY_IS_STRING;
! 194: zend_hash_move_forward(&d->config)) {
! 195: if (zend_hash_get_current_data(&d->config, (void **) &data) == SUCCESS) {
! 196: phpapdebug((stderr, "APPLYING (%s)(%s)\n", str, data->value));
! 197: if (zend_alter_ini_entry(str, str_len, data->value, data->value_len, data->status, data->htaccess?PHP_INI_STAGE_HTACCESS:PHP_INI_STAGE_ACTIVATE) == FAILURE) {
! 198: phpapdebug((stderr, "..FAILED\n"));
! 199: }
! 200: }
! 201: }
! 202: }
! 203:
! 204: const command_rec php_dir_cmds[] =
! 205: {
! 206: AP_INIT_TAKE2("php_value", php_apache_value_handler, NULL, OR_OPTIONS, "PHP Value Modifier"),
! 207: AP_INIT_TAKE2("php_flag", php_apache_flag_handler, NULL, OR_OPTIONS, "PHP Flag Modifier"),
! 208: AP_INIT_TAKE2("php_admin_value", php_apache_admin_value_handler, NULL, ACCESS_CONF|RSRC_CONF, "PHP Value Modifier (Admin)"),
! 209: AP_INIT_TAKE2("php_admin_flag", php_apache_admin_flag_handler, NULL, ACCESS_CONF|RSRC_CONF, "PHP Flag Modifier (Admin)"),
! 210: AP_INIT_TAKE1("PHPINIDir", php_apache_phpini_set, NULL, RSRC_CONF, "Directory containing the php.ini file"),
! 211: {NULL}
! 212: };
! 213:
! 214: static apr_status_t destroy_php_config(void *data)
! 215: {
! 216: php_conf_rec *d = data;
! 217:
! 218: phpapdebug((stderr, "Destroying config %p\n", data));
! 219: zend_hash_destroy(&d->config);
! 220:
! 221: return APR_SUCCESS;
! 222: }
! 223:
! 224: void *create_php_config(apr_pool_t *p, char *dummy)
! 225: {
! 226: php_conf_rec *newx = (php_conf_rec *) apr_pcalloc(p, sizeof(*newx));
! 227:
! 228: phpapdebug((stderr, "Creating new config (%p) for %s\n", newx, dummy));
! 229: zend_hash_init(&newx->config, 0, NULL, NULL, 1);
! 230: apr_pool_cleanup_register(p, newx, destroy_php_config, apr_pool_cleanup_null);
! 231: return (void *) newx;
! 232: }
! 233:
! 234: /*
! 235: * Local variables:
! 236: * tab-width: 4
! 237: * c-basic-offset: 4
! 238: * End:
! 239: * vim600: sw=4 ts=4 fdm=marker
! 240: * vim<600: sw=4 ts=4
! 241: */
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