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File suhosin-patch-5.2.4-0.9.6.2.patch of Package php-5.2.4
diff -Nura php-5.2.4/configure suhosin-patch-5.2.4-0.9.6.2/configure --- php-5.2.4/configure 2007-08-30 01:39:18.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/configure 2007-08-31 11:56:27.000000000 +0200 @@ -18496,6 +18496,9 @@ fi +cat >> confdefs.h <<\EOF +#define SUHOSIN_PATCH 1 +EOF echo $ac_n "checking for declared timezone""... $ac_c" 1>&6 echo "configure:18502: checking for declared timezone" >&5 @@ -115678,7 +115681,7 @@ php_ini.c SAPI.c rfc1867.c php_content_types.c strlcpy.c \ strlcat.c mergesort.c reentrancy.c php_variables.c php_ticks.c \ network.c php_open_temporary_file.c php_logos.c \ - output.c ; do + output.c suhosin_patch.c ; do IFS=. set $ac_src @@ -115880,7 +115883,7 @@ zend_variables.c zend.c zend_API.c zend_extensions.c zend_hash.c \ zend_list.c zend_indent.c zend_builtin_functions.c zend_sprintf.c \ zend_ini.c zend_qsort.c zend_multibyte.c zend_ts_hash.c zend_stream.c \ - zend_iterators.c zend_interfaces.c zend_exceptions.c zend_strtod.c; do + zend_iterators.c zend_interfaces.c zend_exceptions.c zend_strtod.c zend_canary.c; do IFS=. set $ac_src diff -Nura php-5.2.4/configure.in suhosin-patch-5.2.4-0.9.6.2/configure.in --- php-5.2.4/configure.in 2007-08-30 01:36:11.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/configure.in 2007-08-31 11:56:27.000000000 +0200 @@ -227,6 +227,7 @@ sinclude(TSRM/threads.m4) sinclude(TSRM/tsrm.m4) +sinclude(main/suhosin_patch.m4) divert(2) @@ -1301,7 +1302,7 @@ php_ini.c SAPI.c rfc1867.c php_content_types.c strlcpy.c \ strlcat.c mergesort.c reentrancy.c php_variables.c php_ticks.c \ network.c php_open_temporary_file.c php_logos.c \ - output.c ) + output.c suhosin_patch.c ) PHP_ADD_SOURCES(main/streams, streams.c cast.c memory.c filter.c \ plain_wrapper.c userspace.c transports.c xp_socket.c mmap.c) @@ -1327,7 +1328,7 @@ zend_variables.c zend.c zend_API.c zend_extensions.c zend_hash.c \ zend_list.c zend_indent.c zend_builtin_functions.c zend_sprintf.c \ zend_ini.c zend_qsort.c zend_multibyte.c zend_ts_hash.c zend_stream.c \ - zend_iterators.c zend_interfaces.c zend_exceptions.c zend_strtod.c) + zend_iterators.c zend_interfaces.c zend_exceptions.c zend_strtod.c zend_canary.c ) if test -r "$abs_srcdir/Zend/zend_objects.c"; then PHP_ADD_SOURCES(Zend, zend_objects.c zend_object_handlers.c zend_objects_API.c \ diff -Nura php-5.2.4/ext/standard/basic_functions.c suhosin-patch-5.2.4-0.9.6.2/ext/standard/basic_functions.c --- php-5.2.4/ext/standard/basic_functions.c 2007-08-17 01:05:43.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/ext/standard/basic_functions.c 2007-08-31 11:56:27.000000000 +0200 @@ -3570,7 +3570,9 @@ PHP_FALIAS(socket_get_status, stream_get_meta_data, arginfo_stream_get_meta_data) #if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS) - PHP_FE(realpath, arginfo_realpath) +#undef realpath + PHP_NAMED_FE(realpath, PHP_FN(real_path), arginfo_realpath) +#define realpath real_path #endif #ifdef HAVE_FNMATCH diff -Nura php-5.2.4/ext/standard/dl.c suhosin-patch-5.2.4-0.9.6.2/ext/standard/dl.c --- php-5.2.4/ext/standard/dl.c 2007-02-23 01:37:35.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/ext/standard/dl.c 2007-08-31 11:56:27.000000000 +0200 @@ -233,6 +233,19 @@ RETURN_FALSE; } } +#if SUHOSIN_PATCH + if (strncmp("suhosin", module_entry->name, sizeof("suhosin")-1) == 0) { + void *log_func; + /* sucessfully loaded suhosin extension, now check for logging function replacement */ + log_func = (void *) DL_FETCH_SYMBOL(handle, "suhosin_log"); + if (log_func == NULL) { + log_func = (void *) DL_FETCH_SYMBOL(handle, "_suhosin_log"); + } + if (log_func != NULL) { + zend_suhosin_log = log_func; + } + } +#endif RETURN_TRUE; } /* }}} */ diff -Nura php-5.2.4/ext/standard/file.c suhosin-patch-5.2.4-0.9.6.2/ext/standard/file.c --- php-5.2.4/ext/standard/file.c 2007-08-12 19:09:59.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/ext/standard/file.c 2007-08-31 11:56:27.000000000 +0200 @@ -2361,7 +2361,7 @@ #if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS) /* {{{ proto string realpath(string path) Return the resolved path */ -PHP_FUNCTION(realpath) +PHP_FUNCTION(real_path) { zval **path; char resolved_path_buff[MAXPATHLEN]; diff -Nura php-5.2.4/ext/standard/file.h suhosin-patch-5.2.4-0.9.6.2/ext/standard/file.h --- php-5.2.4/ext/standard/file.h 2007-01-10 15:40:06.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/ext/standard/file.h 2007-08-31 11:56:27.000000000 +0200 @@ -61,7 +61,7 @@ PHP_FUNCTION(fd_set); PHP_FUNCTION(fd_isset); #if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS) -PHP_FUNCTION(realpath); +PHP_FUNCTION(real_path); #endif #ifdef HAVE_FNMATCH PHP_FUNCTION(fnmatch); diff -Nura php-5.2.4/ext/standard/info.c suhosin-patch-5.2.4-0.9.6.2/ext/standard/info.c --- php-5.2.4/ext/standard/info.c 2007-07-21 03:24:26.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/ext/standard/info.c 2007-08-31 11:56:27.000000000 +0200 @@ -627,6 +627,31 @@ php_info_print_table_end(); + /* Suhosin Patch */ + php_info_print_box_start(0); + if (expose_php && !sapi_module.phpinfo_as_text) { + PUTS("<a href=\"http://www.hardened-php.net/suhosin/index.html\"><img border=\"0\" src=\""); + if (SG(request_info).request_uri) { + char *elem_esc = php_info_html_esc(SG(request_info).request_uri TSRMLS_CC); + PUTS(elem_esc); + efree(elem_esc); + } + PUTS("?="SUHOSIN_LOGO_GUID"\" alt=\"Suhosin logo\" /></a>\n"); + } + PUTS("This server is protected with the Suhosin Patch "); + if (sapi_module.phpinfo_as_text) { + PUTS(SUHOSIN_PATCH_VERSION); + } else { + zend_html_puts(SUHOSIN_PATCH_VERSION, strlen(SUHOSIN_PATCH_VERSION) TSRMLS_CC); + } + PUTS(!sapi_module.phpinfo_as_text?"<br />":"\n"); + if (sapi_module.phpinfo_as_text) { + PUTS("Copyright (c) 2006 Hardened-PHP Project\n"); + } else { + PUTS("Copyright (c) 2006 <a href=\"http://www.hardened-php.net/\">Hardened-PHP Project</a>\n"); + } + php_info_print_box_end(); + /* Zend Engine */ php_info_print_box_start(0); if (expose_php && !sapi_module.phpinfo_as_text) { diff -Nura php-5.2.4/ext/standard/syslog.c suhosin-patch-5.2.4-0.9.6.2/ext/standard/syslog.c --- php-5.2.4/ext/standard/syslog.c 2007-05-17 08:38:13.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/ext/standard/syslog.c 2007-08-31 11:56:27.000000000 +0200 @@ -42,6 +42,7 @@ */ PHP_MINIT_FUNCTION(syslog) { +#if !SUHOSIN_PATCH /* error levels */ REGISTER_LONG_CONSTANT("LOG_EMERG", LOG_EMERG, CONST_CS | CONST_PERSISTENT); /* system unusable */ REGISTER_LONG_CONSTANT("LOG_ALERT", LOG_ALERT, CONST_CS | CONST_PERSISTENT); /* immediate action required */ @@ -97,6 +98,7 @@ /* AIX doesn't have LOG_PERROR */ REGISTER_LONG_CONSTANT("LOG_PERROR", LOG_PERROR, CONST_CS | CONST_PERSISTENT); /*log to stderr*/ #endif +#endif BG(syslog_device)=NULL; return SUCCESS; diff -Nura php-5.2.4/main/fopen_wrappers.c suhosin-patch-5.2.4-0.9.6.2/main/fopen_wrappers.c --- php-5.2.4/main/fopen_wrappers.c 2007-07-10 15:21:11.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/main/fopen_wrappers.c 2007-08-31 11:56:52.000000000 +0200 @@ -111,7 +111,7 @@ /* normalize and expand path */ if (expand_filepath(path, resolved_name TSRMLS_CC) == NULL) { - return -1; + return -2; } path_len = strlen(resolved_name); @@ -180,6 +180,12 @@ } } + if (resolved_name_len == resolved_basedir_len - 1) { + if (resolved_basedir[resolved_basedir_len - 1] == PHP_DIR_SEPARATOR) { + resolved_basedir_len--; + } + } + /* Check the path */ #if defined(PHP_WIN32) || defined(NETWARE) if (strncasecmp(resolved_basedir, resolved_name, resolved_basedir_len) == 0) { @@ -203,7 +209,7 @@ } } else { /* Unable to resolve the real path, return -1 */ - return -1; + return -3; } } /* }}} */ @@ -222,22 +228,44 @@ char *pathbuf; char *ptr; char *end; + char path_copy[MAXPATHLEN]; + int path_len; + + /* Special case path ends with a trailing slash */ + path_len = strlen(path); + if (path_len >= MAXPATHLEN) { + errno = EPERM; /* we deny permission to open it */ + return -1; + } + if (path_len > 0 && path[path_len-1] == PHP_DIR_SEPARATOR) { + memcpy(path_copy, path, path_len+1); + while (path_len > 1 && path_copy[path_len-1] == PHP_DIR_SEPARATOR) path_len--; + path_copy[path_len] = '\0'; + path = (const char *)&path_copy; + } pathbuf = estrdup(PG(open_basedir)); ptr = pathbuf; while (ptr && *ptr) { + int res; end = strchr(ptr, DEFAULT_DIR_SEPARATOR); if (end != NULL) { *end = '\0'; end++; } - if (php_check_specific_open_basedir(ptr, path TSRMLS_CC) == 0) { + res = php_check_specific_open_basedir(ptr, path TSRMLS_CC); + if (res == 0) { efree(pathbuf); return 0; } + if (res == -2) { + efree(pathbuf); + errno = EPERM; + return -1; + } ptr = end; } diff -Nura php-5.2.4/main/main.c suhosin-patch-5.2.4-0.9.6.2/main/main.c --- php-5.2.4/main/main.c 2007-08-03 03:30:21.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/main/main.c 2007-08-31 11:56:27.000000000 +0200 @@ -88,6 +88,9 @@ #include "SAPI.h" #include "rfc1867.h" +#if SUHOSIN_PATCH +#include "suhosin_globals.h" +#endif /* }}} */ #ifndef ZTS @@ -1347,7 +1350,7 @@ /* used to close fd's in the 3..255 range here, but it's problematic */ - shutdown_memory_manager(1, 1 TSRMLS_CC); + shutdown_memory_manager(1, 1 TSRMLS_CC); } /* }}} */ @@ -1388,6 +1391,9 @@ zend_try { shutdown_memory_manager(CG(unclean_shutdown), 0 TSRMLS_CC); +#if SUHOSIN_PATCH + suhosin_clear_mm_canaries(TSRMLS_C); +#endif } zend_end_try(); zend_try { @@ -1480,6 +1486,9 @@ /* 11. Free Willy (here be crashes) */ zend_try { shutdown_memory_manager(CG(unclean_shutdown) || !report_memleaks, 0 TSRMLS_CC); +#if SUHOSIN_PATCH + suhosin_clear_mm_canaries(TSRMLS_C); +#endif } zend_end_try(); /* 12. Reset max_execution_time */ @@ -1639,6 +1648,9 @@ #ifdef ZTS tsrm_ls = ts_resource(0); #endif +#if SUHOSIN_PATCH + suhosin_startup(); +#endif module_shutdown = 0; module_startup = 1; @@ -1768,6 +1780,10 @@ REGISTER_MAIN_STRINGL_CONSTANT("PHP_CONFIG_FILE_PATH", PHP_CONFIG_FILE_PATH, strlen(PHP_CONFIG_FILE_PATH), CONST_PERSISTENT | CONST_CS); REGISTER_MAIN_STRINGL_CONSTANT("PHP_CONFIG_FILE_SCAN_DIR", PHP_CONFIG_FILE_SCAN_DIR, sizeof(PHP_CONFIG_FILE_SCAN_DIR)-1, CONST_PERSISTENT | CONST_CS); REGISTER_MAIN_STRINGL_CONSTANT("PHP_SHLIB_SUFFIX", PHP_SHLIB_SUFFIX, sizeof(PHP_SHLIB_SUFFIX)-1, CONST_PERSISTENT | CONST_CS); +#if SUHOSIN_PATCH + REGISTER_MAIN_LONG_CONSTANT("SUHOSIN_PATCH", 1, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_STRINGL_CONSTANT("SUHOSIN_PATCH_VERSION", SUHOSIN_PATCH_VERSION, sizeof(SUHOSIN_PATCH_VERSION)-1, CONST_PERSISTENT | CONST_CS); +#endif REGISTER_MAIN_STRINGL_CONSTANT("PHP_EOL", PHP_EOL, sizeof(PHP_EOL)-1, CONST_PERSISTENT | CONST_CS); REGISTER_MAIN_LONG_CONSTANT("PHP_INT_MAX", LONG_MAX, CONST_PERSISTENT | CONST_CS); REGISTER_MAIN_LONG_CONSTANT("PHP_INT_SIZE", sizeof(long), CONST_PERSISTENT | CONST_CS); @@ -1817,7 +1833,9 @@ module_startup = 0; shutdown_memory_manager(1, 0 TSRMLS_CC); - +#if SUHOSIN_PATCH + suhosin_clear_mm_canaries(TSRMLS_C); +#endif /* we're done */ return SUCCESS; } @@ -1876,6 +1894,9 @@ #ifndef ZTS zend_ini_shutdown(TSRMLS_C); shutdown_memory_manager(CG(unclean_shutdown), 1 TSRMLS_CC); +#if SUHOSIN_PATCH + suhosin_clear_mm_canaries(TSRMLS_C); +#endif core_globals_dtor(&core_globals TSRMLS_CC); #else zend_ini_global_shutdown(TSRMLS_C); diff -Nura php-5.2.4/main/php_config.h.in suhosin-patch-5.2.4-0.9.6.2/main/php_config.h.in --- php-5.2.4/main/php_config.h.in 2007-08-30 01:39:22.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/main/php_config.h.in 2007-08-31 11:56:27.000000000 +0200 @@ -803,6 +803,9 @@ /* Define if the target system has /dev/urandom device */ #undef HAVE_DEV_URANDOM +/* Suhosin-Patch for PHP */ +#undef SUHOSIN_PATCH + /* Whether you have AOLserver */ #undef HAVE_AOLSERVER diff -Nura php-5.2.4/main/php.h suhosin-patch-5.2.4-0.9.6.2/main/php.h --- php-5.2.4/main/php.h 2007-01-01 10:36:11.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/main/php.h 2007-08-31 11:56:27.000000000 +0200 @@ -40,6 +40,13 @@ #undef sprintf #define sprintf php_sprintf +#if SUHOSIN_PATCH +#if HAVE_REALPATH +#undef realpath +#define realpath php_realpath +#endif +#endif + /* PHP's DEBUG value must match Zend's ZEND_DEBUG value */ #undef PHP_DEBUG #define PHP_DEBUG ZEND_DEBUG @@ -452,6 +459,10 @@ #endif #endif /* !XtOffsetOf */ +#if SUHOSIN_PATCH +#include "suhosin_patch.h" +#endif + #endif /* diff -Nura php-5.2.4/main/php_logos.c suhosin-patch-5.2.4-0.9.6.2/main/php_logos.c --- php-5.2.4/main/php_logos.c 2007-01-06 21:44:51.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/main/php_logos.c 2007-08-31 11:56:27.000000000 +0200 @@ -50,6 +50,10 @@ return zend_hash_del(&phpinfo_logo_hash, logo_string, strlen(logo_string)); } +#if SUHOSIN_PATCH +#include "suhosin_logo.h" +#endif + int php_init_info_logos(void) { if(zend_hash_init(&phpinfo_logo_hash, 0, NULL, NULL, 1)==FAILURE) @@ -58,6 +62,9 @@ php_register_info_logo(PHP_LOGO_GUID , "image/gif", php_logo , sizeof(php_logo)); php_register_info_logo(PHP_EGG_LOGO_GUID, "image/gif", php_egg_logo, sizeof(php_egg_logo)); php_register_info_logo(ZEND_LOGO_GUID , "image/gif", zend_logo , sizeof(zend_logo)); +#if SUHOSIN_PATCH + php_register_info_logo(SUHOSIN_LOGO_GUID, "image/jpeg", suhosin_logo, sizeof(suhosin_logo)); +#endif return SUCCESS; } diff -Nura php-5.2.4/main/snprintf.c suhosin-patch-5.2.4-0.9.6.2/main/snprintf.c --- php-5.2.4/main/snprintf.c 2007-08-03 16:31:27.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/main/snprintf.c 2007-08-31 11:56:27.000000000 +0200 @@ -1079,7 +1079,11 @@ case 'n': +#if SUHOSIN_PATCH + zend_suhosin_log(S_MISC, "'n' specifier within format string"); +#else *(va_arg(ap, int *)) = cc; +#endif goto skip_output; /* diff -Nura php-5.2.4/main/spprintf.c suhosin-patch-5.2.4-0.9.6.2/main/spprintf.c --- php-5.2.4/main/spprintf.c 2007-08-03 16:31:28.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/main/spprintf.c 2007-08-31 11:56:27.000000000 +0200 @@ -672,7 +672,11 @@ case 'n': +#if SUHOSIN_PATCH + zend_suhosin_log(S_MISC, "'n' specifier within format string"); +#else *(va_arg(ap, int *)) = xbuf->len; +#endif goto skip_output; /* diff -Nura php-5.2.4/main/suhosin_globals.h suhosin-patch-5.2.4-0.9.6.2/main/suhosin_globals.h --- php-5.2.4/main/suhosin_globals.h 1970-01-01 01:00:00.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/main/suhosin_globals.h 2007-08-31 11:56:27.000000000 +0200 @@ -0,0 +1,61 @@ +/* + +----------------------------------------------------------------------+ + | Suhosin-Patch for PHP | + +----------------------------------------------------------------------+ + | Copyright (c) 2004-2006 Stefan Esser | + +----------------------------------------------------------------------+ + | 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. | + +----------------------------------------------------------------------+ + | Author: Stefan Esser <sesser@hardened-php.net> | + +----------------------------------------------------------------------+ + */ + +#ifndef SUHOSIN_GLOBALS_H +#define SUHOSIN_GLOBALS_H + +typedef struct _suhosin_patch_globals suhosin_patch_globals_struct; + +#ifdef ZTS +# define SPG(v) TSRMG(suhosin_patch_globals_id, suhosin_patch_globals_struct *, v) +extern int suhosin_patch_globals_id; +#else +# define SPG(v) (suhosin_patch_globals.v) +extern struct _suhosin_patch_globals suhosin_patch_globals; +#endif + + +struct _suhosin_patch_globals { + /* logging */ + int log_syslog; + int log_syslog_facility; + int log_syslog_priority; + int log_sapi; + int log_script; + int log_phpscript; + char *log_scriptname; + char *log_phpscriptname; + zend_bool log_phpscript_is_safe; + zend_bool log_use_x_forwarded_for; + + /* memory manager canary protection */ + unsigned int canary_1; + unsigned int canary_2; + unsigned int canary_3; + unsigned int dummy; +}; + + +#endif /* SUHOSIN_GLOBALS_H */ + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + */ diff -Nura php-5.2.4/main/suhosin_logo.h suhosin-patch-5.2.4-0.9.6.2/main/suhosin_logo.h --- php-5.2.4/main/suhosin_logo.h 1970-01-01 01:00:00.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/main/suhosin_logo.h 2007-08-31 11:56:27.000000000 +0200 @@ -0,0 +1,178 @@ +static unsigned char suhosin_logo[] = + "\xff\xd8\xff\xe0\x00\x10\x4a\x46\x49\x46\x00\x01\x01\x01\x00\x48" + "\x00\x48\x00\x00\xff\xe1\x00\x16\x45\x78\x69\x66\x00\x00\x4d\x4d" + "\x00\x2a\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\xff\xdb\x00\x43" + "\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" + "\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" + "\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" + "\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" + "\x01\xff\xc0\x00\x0b\x08\x00\x27\x00\x71\x01\x01\x22\x00\xff\xc4" + "\x00\x1e\x00\x00\x02\x02\x02\x03\x01\x01\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x09\x06\x08\x05\x07\x02\x03\x0a\x01\x04\xff\xc4" + "\x00\x32\x10\x00\x01\x04\x03\x00\x02\x00\x05\x01\x05\x09\x01\x00" + "\x00\x00\x00\x05\x02\x03\x04\x06\x01\x07\x08\x00\x09\x11\x12\x13" + "\x14\x21\x15\x0a\x16\x31\x56\x96\x17\x18\x19\x23\x32\x41\x58\x98" + "\xd4\xd6\xff\xda\x00\x08\x01\x01\x00\x00\x3f\x00\xf4\xc1\xe1\xe5" + 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"\x0f\x3f\x3c\xb8\x71\x27\xc7\x72\x24\xe8\xb1\xa6\xc5\x7b\x18\xc3" + "\xb1\xa5\xb0\xd4\x98\xee\xe3\x19\xc6\x71\x87\x19\x79\x2b\x6d\x78" + "\xc6\x71\x8c\xe3\x0a\x4e\x71\x8c\xe3\x19\xfe\x38\xf2\x3b\xfb\x8b" + "\x48\xfe\x4e\xaa\xff\x00\x4f\x08\xff\x00\xc7\xe1\xfb\x8b\x48\xfe" + "\x4e\xaa\xff\x00\x4f\x08\xff\x00\xc7\xe4\x95\x86\x18\x8a\xcb\x31" + "\xa3\x32\xd4\x78\xf1\xdb\x43\x2c\x47\x61\xb4\x32\xcb\x2c\xb4\x9c" + "\x21\xb6\x99\x69\xbc\x25\xb6\xdb\x6d\x18\xc2\x10\xda\x12\x94\xa1" + "\x38\xc2\x53\x8c\x63\x18\xc7\x9d\xbe\x7f\xff\xd9" + ; diff -Nura php-5.2.4/main/suhosin_patch.c suhosin-patch-5.2.4-0.9.6.2/main/suhosin_patch.c --- php-5.2.4/main/suhosin_patch.c 1970-01-01 01:00:00.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/main/suhosin_patch.c 2007-08-31 11:56:27.000000000 +0200 @@ -0,0 +1,380 @@ +/* + +----------------------------------------------------------------------+ + | Suhosin Patch for PHP | + +----------------------------------------------------------------------+ + | Copyright (c) 2004-2006 Stefan Esser | + +----------------------------------------------------------------------+ + | 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. | + +----------------------------------------------------------------------+ + | Author: Stefan Esser <sesser@hardened-php.net> | + +----------------------------------------------------------------------+ + */ +/* $Id: suhosin_patch.c,v 1.2 2004/11/21 09:38:52 ionic Exp $ */ + +#include "php.h" + +#include <stdio.h> +#include <stdlib.h> + +#if HAVE_UNISTD_H +#include <unistd.h> +#endif +#include "SAPI.h" +#include "php_globals.h" + +#if SUHOSIN_PATCH + +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + +#if defined(PHP_WIN32) || defined(__riscos__) || defined(NETWARE) +#undef AF_UNIX +#endif + +#if defined(AF_UNIX) +#include <sys/un.h> +#endif + +#define SYSLOG_PATH "/dev/log" + +#ifdef PHP_WIN32 +static HANDLE log_source = 0; +#endif + +#include "snprintf.h" + +#include "suhosin_patch.h" + +#ifdef ZTS +#include "suhosin_globals.h" +int suhosin_patch_globals_id; +#else +struct _suhosin_patch_globals suhosin_patch_globals; +#endif + +static void php_security_log(int loglevel, char *fmt, ...); + +static void suhosin_patch_globals_ctor(suhosin_patch_globals_struct *suhosin_patch_globals TSRMLS_DC) +{ + memset(suhosin_patch_globals, 0, sizeof(*suhosin_patch_globals)); +} + +PHPAPI void suhosin_startup() +{ +#ifdef ZTS + ts_allocate_id(&suhosin_patch_globals_id, sizeof(suhosin_patch_globals_struct), (ts_allocate_ctor) suhosin_patch_globals_ctor, NULL); +#else + suhosin_patch_globals_ctor(&suhosin_patch_globals TSRMLS_CC); +#endif + zend_suhosin_log = php_security_log; +} + +/*PHPAPI void suhosin_clear_mm_canaries(TSRMLS_D) +{ + zend_alloc_clear_mm_canaries(AG(heap)); + SPG(canary_1) = zend_canary(); + SPG(canary_2) = zend_canary(); + SPG(canary_3) = zend_canary(); +}*/ + +static char *loglevel2string(int loglevel) +{ + switch (loglevel) { + case S_FILES: + return "FILES"; + case S_INCLUDE: + return "INCLUDE"; + case S_MEMORY: + return "MEMORY"; + case S_MISC: + return "MISC"; + case S_SESSION: + return "SESSION"; + case S_SQL: + return "SQL"; + case S_EXECUTOR: + return "EXECUTOR"; + case S_VARS: + return "VARS"; + default: + return "UNKNOWN"; + } +} + +static void php_security_log(int loglevel, char *fmt, ...) +{ + int s, r, i=0; +#if defined(AF_UNIX) + struct sockaddr_un saun; +#endif +#ifdef PHP_WIN32 + LPTSTR strs[2]; + unsigned short etype; + DWORD evid; +#endif + char buf[4096+64]; + char error[4096+100]; + char *ip_address; + char *fname; + char *alertstring; + int lineno; + va_list ap; + TSRMLS_FETCH(); + + /*SDEBUG("(suhosin_log) loglevel: %d log_syslog: %u - log_sapi: %u - log_script: %u", loglevel, SPG(log_syslog), SPG(log_sapi), SPG(log_script));*/ + + if (SPG(log_use_x_forwarded_for)) { + ip_address = sapi_getenv("HTTP_X_FORWARDED_FOR", 20 TSRMLS_CC); + if (ip_address == NULL) { + ip_address = "X-FORWARDED-FOR not set"; + } + } else { + ip_address = sapi_getenv("REMOTE_ADDR", 11 TSRMLS_CC); + if (ip_address == NULL) { + ip_address = "REMOTE_ADDR not set"; + } + } + + + va_start(ap, fmt); + ap_php_vsnprintf(error, sizeof(error), fmt, ap); + va_end(ap); + while (error[i]) { + if (error[i] < 32) error[i] = '.'; + i++; + } + +/* if (SPG(simulation)) { + alertstring = "ALERT-SIMULATION"; + } else { */ + alertstring = "ALERT"; +/* }*/ + + if (zend_is_executing(TSRMLS_C)) { + if (EG(current_execute_data)) { + lineno = EG(current_execute_data)->opline->lineno; + fname = EG(current_execute_data)->op_array->filename; + } else { + lineno = zend_get_executed_lineno(TSRMLS_C); + fname = zend_get_executed_filename(TSRMLS_C); + } + ap_php_snprintf(buf, sizeof(buf), "%s - %s (attacker '%s', file '%s', line %u)", alertstring, error, ip_address, fname, lineno); + } else { + fname = sapi_getenv("SCRIPT_FILENAME", 15 TSRMLS_CC); + if (fname==NULL) { + fname = "unknown"; + } + ap_php_snprintf(buf, sizeof(buf), "%s - %s (attacker '%s', file '%s')", alertstring, error, ip_address, fname); + } + + /* Syslog-Logging disabled? */ + if (((SPG(log_syslog)|S_INTERNAL) & loglevel)==0) { + goto log_sapi; + } + +#if defined(AF_UNIX) + ap_php_snprintf(error, sizeof(error), "<%u>suhosin[%u]: %s\n", (unsigned int)(SPG(log_syslog_facility)|SPG(log_syslog_priority)),getpid(),buf); + + s = socket(AF_UNIX, SOCK_DGRAM, 0); + if (s == -1) { + goto log_sapi; + } + + memset(&saun, 0, sizeof(saun)); + saun.sun_family = AF_UNIX; + strcpy(saun.sun_path, SYSLOG_PATH); + /*saun.sun_len = sizeof(saun);*/ + + r = connect(s, (struct sockaddr *)&saun, sizeof(saun)); + if (r) { + close(s); + s = socket(AF_UNIX, SOCK_STREAM, 0); + if (s == -1) { + goto log_sapi; + } + + memset(&saun, 0, sizeof(saun)); + saun.sun_family = AF_UNIX; + strcpy(saun.sun_path, SYSLOG_PATH); + /*saun.sun_len = sizeof(saun);*/ + + r = connect(s, (struct sockaddr *)&saun, sizeof(saun)); + if (r) { + close(s); + goto log_sapi; + } + } + send(s, error, strlen(error), 0); + + close(s); +#endif +#ifdef PHP_WIN32 + ap_php_snprintf(error, sizeof(error), "suhosin[%u]: %s", getpid(),buf); + + switch (SPG(log_syslog_priority)) { /* translate UNIX type into NT type */ + case 1: /*LOG_ALERT:*/ + etype = EVENTLOG_ERROR_TYPE; + break; + case 6: /*LOG_INFO:*/ + etype = EVENTLOG_INFORMATION_TYPE; + break; + default: + etype = EVENTLOG_WARNING_TYPE; + } + evid = loglevel; + strs[0] = error; + /* report the event */ + if (log_source == NULL) { + log_source = RegisterEventSource(NULL, "Suhosin-Patch-" SUHOSIN_PATCH_VERSION); + } + ReportEvent(log_source, etype, (unsigned short) SPG(log_syslog_priority), evid, NULL, 1, 0, strs, NULL); + +#endif +log_sapi: + /* SAPI Logging activated? */ + /*SDEBUG("(suhosin_log) log_syslog: %u - log_sapi: %u - log_script: %u - log_phpscript: %u", SPG(log_syslog), SPG(log_sapi), SPG(log_script), SPG(log_phpscript));*/ + if (((SPG(log_sapi)|S_INTERNAL) & loglevel)!=0) { + sapi_module.log_message(buf); + } + +/*log_script:*/ + /* script logging activaed? */ + if (((SPG(log_script) & loglevel)!=0) && SPG(log_scriptname)!=NULL) { + char cmd[8192], *cmdpos, *bufpos; + FILE *in; + int space; + + ap_php_snprintf(cmd, sizeof(cmd), "%s %s \'", SPG(log_scriptname), loglevel2string(loglevel)); + space = sizeof(cmd) - strlen(cmd); + cmdpos = cmd + strlen(cmd); + bufpos = buf; + if (space <= 1) return; + while (space > 2 && *bufpos) { + if (*bufpos == '\'') { + if (space<=5) break; + *cmdpos++ = '\''; + *cmdpos++ = '\\'; + *cmdpos++ = '\''; + *cmdpos++ = '\''; + bufpos++; + space-=4; + } else { + *cmdpos++ = *bufpos++; + space--; + } + } + *cmdpos++ = '\''; + *cmdpos = 0; + + if ((in=VCWD_POPEN(cmd, "r"))==NULL) { + php_security_log(S_INTERNAL, "Unable to execute logging shell script: %s", SPG(log_scriptname)); + return; + } + /* read and forget the result */ + while (1) { + int readbytes = fread(cmd, 1, sizeof(cmd), in); + if (readbytes<=0) { + break; + } + } + pclose(in); + } +/*log_phpscript:*/ + if ((SPG(log_phpscript) & loglevel)!=0 && EG(in_execution) && SPG(log_phpscriptname) && SPG(log_phpscriptname)[0]) { + zend_file_handle file_handle; + zend_op_array *new_op_array; + zval *result = NULL; + + /*long orig_execution_depth = SPG(execution_depth);*/ + zend_bool orig_safe_mode = PG(safe_mode); + char *orig_basedir = PG(open_basedir); + + char *phpscript = SPG(log_phpscriptname); +/*SDEBUG("scriptname %s", SPG(log_phpscriptname));`*/ +#ifdef ZEND_ENGINE_2 + if (zend_stream_open(phpscript, &file_handle TSRMLS_CC) == SUCCESS) { +#else + if (zend_open(phpscript, &file_handle) == SUCCESS && ZEND_IS_VALID_FILE_HANDLE(&file_handle)) { + file_handle.filename = phpscript; + file_handle.free_filename = 0; +#endif + if (!file_handle.opened_path) { + file_handle.opened_path = estrndup(phpscript, strlen(phpscript)); + } + new_op_array = zend_compile_file(&file_handle, ZEND_REQUIRE TSRMLS_CC); + zend_destroy_file_handle(&file_handle TSRMLS_CC); + if (new_op_array) { + HashTable *active_symbol_table = EG(active_symbol_table); + zval *zerror, *zerror_class; + + if (active_symbol_table == NULL) { + active_symbol_table = &EG(symbol_table); + } + EG(return_value_ptr_ptr) = &result; + EG(active_op_array) = new_op_array; + + MAKE_STD_ZVAL(zerror); + MAKE_STD_ZVAL(zerror_class); + ZVAL_STRING(zerror, buf, 1); + ZVAL_LONG(zerror_class, loglevel); + + zend_hash_update(active_symbol_table, "SUHOSIN_ERROR", sizeof("SUHOSIN_ERROR"), (void **)&zerror, sizeof(zval *), NULL); + zend_hash_update(active_symbol_table, "SUHOSIN_ERRORCLASS", sizeof("SUHOSIN_ERRORCLASS"), (void **)&zerror_class, sizeof(zval *), NULL); + + /*SPG(execution_depth) = 0;*/ + if (SPG(log_phpscript_is_safe)) { + PG(safe_mode) = 0; + PG(open_basedir) = NULL; + } + + zend_execute(new_op_array TSRMLS_CC); + + /*SPG(execution_depth) = orig_execution_depth;*/ + PG(safe_mode) = orig_safe_mode; + PG(open_basedir) = orig_basedir; + +#ifdef ZEND_ENGINE_2 + destroy_op_array(new_op_array TSRMLS_CC); +#else + destroy_op_array(new_op_array); +#endif + efree(new_op_array); +#ifdef ZEND_ENGINE_2 + if (!EG(exception)) +#endif + { + if (EG(return_value_ptr_ptr)) { + zval_ptr_dtor(EG(return_value_ptr_ptr)); + EG(return_value_ptr_ptr) = NULL; + } + } + } else { + php_security_log(S_INTERNAL, "Unable to execute logging PHP script: %s", SPG(log_phpscriptname)); + return; + } + } else { + php_security_log(S_INTERNAL, "Unable to execute logging PHP script: %s", SPG(log_phpscriptname)); + return; + } + } + +} + + +#endif + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim600: sw=4 ts=4 fdm=marker + * vim<600: sw=4 ts=4 + */ diff -Nura php-5.2.4/main/suhosin_patch.h suhosin-patch-5.2.4-0.9.6.2/main/suhosin_patch.h --- php-5.2.4/main/suhosin_patch.h 1970-01-01 01:00:00.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/main/suhosin_patch.h 2007-08-31 11:56:27.000000000 +0200 @@ -0,0 +1,40 @@ +/* + +----------------------------------------------------------------------+ + | Suhosin Patch for PHP | + +----------------------------------------------------------------------+ + | Copyright (c) 2004-2006 Stefan Esser | + +----------------------------------------------------------------------+ + | 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. | + +----------------------------------------------------------------------+ + | Author: Stefan Esser <sesser@hardened-php.net> | + +----------------------------------------------------------------------+ + */ + +#ifndef SUHOSIN_PATCH_H +#define SUHOSIN_PATCH_H + +#if SUHOSIN_PATCH + +#include "zend.h" + +PHPAPI void suhosin_startup(); +#define SUHOSIN_PATCH_VERSION "0.9.6.2" + +#define SUHOSIN_LOGO_GUID "SUHO8567F54-D428-14d2-A769-00DA302A5F18" + +#endif + +#endif /* SUHOSIN_PATCH_H */ + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + */ diff -Nura php-5.2.4/main/suhosin_patch.m4 suhosin-patch-5.2.4-0.9.6.2/main/suhosin_patch.m4 --- php-5.2.4/main/suhosin_patch.m4 1970-01-01 01:00:00.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/main/suhosin_patch.m4 2007-08-31 11:56:27.000000000 +0200 @@ -0,0 +1,8 @@ +dnl +dnl $Id: suhosin_patch.m4,v 1.1 2004/11/14 13:24:24 ionic Exp $ +dnl +dnl This file contains Suhosin Patch for PHP specific autoconf functions. +dnl + +AC_DEFINE(SUHOSIN_PATCH, 1, [Suhosin Patch]) + diff -Nura php-5.2.4/sapi/apache/mod_php5.c suhosin-patch-5.2.4-0.9.6.2/sapi/apache/mod_php5.c --- php-5.2.4/sapi/apache/mod_php5.c 2007-08-06 14:54:57.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/sapi/apache/mod_php5.c 2007-08-31 11:56:27.000000000 +0200 @@ -951,7 +951,11 @@ { TSRMLS_FETCH(); if (PG(expose_php)) { +#if SUHOSIN_PATCH + ap_add_version_component("PHP/" PHP_VERSION " with Suhosin-Patch"); +#else ap_add_version_component("PHP/" PHP_VERSION); +#endif } } #endif diff -Nura php-5.2.4/sapi/apache2filter/sapi_apache2.c suhosin-patch-5.2.4-0.9.6.2/sapi/apache2filter/sapi_apache2.c --- php-5.2.4/sapi/apache2filter/sapi_apache2.c 2007-01-01 10:36:12.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/sapi/apache2filter/sapi_apache2.c 2007-08-31 11:56:27.000000000 +0200 @@ -562,7 +562,11 @@ { TSRMLS_FETCH(); if (PG(expose_php)) { +#if SUHOSIN_PATCH + ap_add_version_component(p, "PHP/" PHP_VERSION " with Suhosin-Patch"); +#else ap_add_version_component(p, "PHP/" PHP_VERSION); +#endif } } diff -Nura php-5.2.4/sapi/apache2handler/sapi_apache2.c suhosin-patch-5.2.4-0.9.6.2/sapi/apache2handler/sapi_apache2.c --- php-5.2.4/sapi/apache2handler/sapi_apache2.c 2007-06-28 19:23:07.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/sapi/apache2handler/sapi_apache2.c 2007-08-31 11:56:27.000000000 +0200 @@ -372,7 +372,11 @@ { TSRMLS_FETCH(); if (PG(expose_php)) { +#if SUHOSIN_PATCH + ap_add_version_component(p, "PHP/" PHP_VERSION " with Suhosin-Patch"); +#else ap_add_version_component(p, "PHP/" PHP_VERSION); +#endif } } diff -Nura php-5.2.4/sapi/cgi/cgi_main.c suhosin-patch-5.2.4-0.9.6.2/sapi/cgi/cgi_main.c --- php-5.2.4/sapi/cgi/cgi_main.c 2007-08-09 01:51:57.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/sapi/cgi/cgi_main.c 2007-08-31 11:56:27.000000000 +0200 @@ -1595,11 +1595,19 @@ SG(headers_sent) = 1; SG(request_info).no_headers = 1; } +#if SUHOSIN_PATCH +#if ZEND_DEBUG + php_printf("PHP %s with Suhosin-Patch %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 1997-2007 The PHP Group\n%s", PHP_VERSION, SUHOSIN_PATCH_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version()); +#else + php_printf("PHP %s with Suhosin-Patch %s (%s) (built: %s %s)\nCopyright (c) 1997-2007 The PHP Group\n%s", PHP_VERSION, SUHOSIN_PATCH_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version()); +#endif +#else #if ZEND_DEBUG php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 1997-2007 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version()); #else php_printf("PHP %s (%s) (built: %s %s)\nCopyright (c) 1997-2007 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version()); #endif +#endif php_end_ob_buffers(1 TSRMLS_CC); exit(0); break; diff -Nura php-5.2.4/sapi/cli/php_cli.c suhosin-patch-5.2.4-0.9.6.2/sapi/cli/php_cli.c --- php-5.2.4/sapi/cli/php_cli.c 2007-08-09 01:51:24.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/sapi/cli/php_cli.c 2007-08-31 11:56:27.000000000 +0200 @@ -779,8 +779,14 @@ } request_started = 1; - php_printf("PHP %s (%s) (built: %s %s) %s\nCopyright (c) 1997-2007 The PHP Group\n%s", - PHP_VERSION, sapi_module.name, __DATE__, __TIME__, +#if SUHOSIN_PATCH + php_printf("PHP %s with Suhosin-Patch %s (%s) (built: %s %s) %s\nCopyright (c) 1997-2007 The PHP Group\n%s", + PHP_VERSION, SUHOSIN_PATCH_VERSION, +#else + php_printf("PHP %s (%s) (built: %s %s) %s\nCopyright (c) 1997-2007 The PHP Group\n%s", + PHP_VERSION, +#endif + sapi_module.name, __DATE__, __TIME__, #if ZEND_DEBUG && defined(HAVE_GCOV) "(DEBUG GCOV)", #elif ZEND_DEBUG diff -Nura php-5.2.4/TSRM/TSRM.h suhosin-patch-5.2.4-0.9.6.2/TSRM/TSRM.h --- php-5.2.4/TSRM/TSRM.h 2007-04-17 08:26:32.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/TSRM/TSRM.h 2007-08-31 11:56:27.000000000 +0200 @@ -38,6 +38,13 @@ typedef unsigned long tsrm_uintptr_t; #endif +#if SUHOSIN_PATCH +# if HAVE_REALPATH +# undef realpath +# define realpath php_realpath +# endif +#endif + /* Only compile multi-threading functions if we're in ZTS mode */ #ifdef ZTS @@ -93,6 +100,7 @@ #define THREAD_HASH_OF(thr,ts) (unsigned long)thr%(unsigned long)ts + #ifdef __cplusplus extern "C" { #endif diff -Nura php-5.2.4/TSRM/tsrm_virtual_cwd.c suhosin-patch-5.2.4-0.9.6.2/TSRM/tsrm_virtual_cwd.c --- php-5.2.4/TSRM/tsrm_virtual_cwd.c 2007-08-10 11:09:46.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/TSRM/tsrm_virtual_cwd.c 2007-08-31 11:56:27.000000000 +0200 @@ -273,6 +273,177 @@ } /* }}} */ +#if SUHOSIN_PATCH +CWD_API char *php_realpath(const char *path, char *resolved) +{ + struct stat sb; + char *p, *q, *s; + size_t left_len, resolved_len; + unsigned symlinks; + int serrno, slen; + int is_dir = 1; + char left[PATH_MAX], next_token[PATH_MAX], symlink[PATH_MAX]; + + serrno = errno; + symlinks = 0; + if (path[0] == '/') { + resolved[0] = '/'; + resolved[1] = '\0'; + if (path[1] == '\0') + return (resolved); + resolved_len = 1; + left_len = strlcpy(left, path + 1, sizeof(left)); + } else { + if (getcwd(resolved, PATH_MAX) == NULL) { + strlcpy(resolved, ".", PATH_MAX); + return (NULL); + } + resolved_len = strlen(resolved); + left_len = strlcpy(left, path, sizeof(left)); + } + if (left_len >= sizeof(left) || resolved_len >= PATH_MAX) { + errno = ENAMETOOLONG; + return (NULL); + } + + /* + * Iterate over path components in `left'. + */ + while (left_len != 0) { + /* + * Extract the next path component and adjust `left' + * and its length. + */ + p = strchr(left, '/'); + s = p ? p : left + left_len; + if (s - left >= sizeof(next_token)) { + errno = ENAMETOOLONG; + return (NULL); + } + memcpy(next_token, left, s - left); + next_token[s - left] = '\0'; + left_len -= s - left; + if (p != NULL) + memmove(left, s + 1, left_len + 1); + if (resolved[resolved_len - 1] != '/') { + if (resolved_len + 1 >= PATH_MAX) { + errno = ENAMETOOLONG; + return (NULL); + } + resolved[resolved_len++] = '/'; + resolved[resolved_len] = '\0'; + } + if (next_token[0] == '\0') + continue; + else if (strcmp(next_token, ".") == 0) + continue; + else if (strcmp(next_token, "..") == 0) { + /* + * Strip the last path component except when we have + * single "/" + */ + if (!is_dir) { + errno = ENOENT; + return (NULL); + } + if (resolved_len > 1) { + resolved[resolved_len - 1] = '\0'; + q = strrchr(resolved, '/'); + *q = '\0'; + resolved_len = q - resolved; + } + continue; + } + + /* + * Append the next path component and lstat() it. If + * lstat() fails we still can return successfully if + * there are no more path components left. + */ + resolved_len = strlcat(resolved, next_token, PATH_MAX); + if (resolved_len >= PATH_MAX) { + errno = ENAMETOOLONG; + return (NULL); + } + if (lstat(resolved, &sb) != 0) { + if (errno == ENOENT) { + if (p == NULL) { + errno = serrno; + return (resolved); + } else if (strstr(left, "/.") == NULL && strstr(left, "./") == NULL) { + resolved_len = strlcat(resolved, "/", PATH_MAX); + resolved_len = strlcat(resolved, left, PATH_MAX); + if (resolved_len >= PATH_MAX) { + errno = ENAMETOOLONG; + return (NULL); + } + errno = serrno; + return (resolved); + } + } + return (NULL); + } + if (S_ISLNK(sb.st_mode)) { + if (symlinks++ > MAXSYMLINKS) { + errno = ELOOP; + return (NULL); + } + slen = readlink(resolved, symlink, sizeof(symlink) - 1); + if (slen < 0) + return (NULL); + symlink[slen] = '\0'; + if (symlink[0] == '/') { + resolved[1] = 0; + resolved_len = 1; + } else if (resolved_len > 1) { + /* Strip the last path component. */ + resolved[resolved_len - 1] = '\0'; + q = strrchr(resolved, '/'); + *q = '\0'; + resolved_len = q - resolved; + } + + /* + * If there are any path components left, then + * append them to symlink. The result is placed + * in `left'. + */ + if (p != NULL) { + if (symlink[slen - 1] != '/') { + if (slen + 1 >= sizeof(symlink)) { + errno = ENAMETOOLONG; + return (NULL); + } + symlink[slen] = '/'; + symlink[slen + 1] = 0; + } + left_len = strlcat(symlink, left, sizeof(left)); + if (left_len >= sizeof(left)) { + errno = ENAMETOOLONG; + return (NULL); + } + } + left_len = strlcpy(left, symlink, sizeof(left)); + } else { + if (S_ISDIR(sb.st_mode)) { + is_dir = 1; + } else { + is_dir = 0; + } + } + } + + /* + * Remove trailing slash except when the resolved pathname + * is a single "/". + */ + if (resolved_len > 1 && resolved[resolved_len - 1] == '/') + resolved[resolved_len - 1] = '\0'; + return (resolved); +} +#endif + + CWD_API void virtual_cwd_startup(void) /* {{{ */ { char cwd[MAXPATHLEN]; diff -Nura php-5.2.4/TSRM/tsrm_virtual_cwd.h suhosin-patch-5.2.4-0.9.6.2/TSRM/tsrm_virtual_cwd.h --- php-5.2.4/TSRM/tsrm_virtual_cwd.h 2007-01-22 10:31:46.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/TSRM/tsrm_virtual_cwd.h 2007-08-31 11:56:27.000000000 +0200 @@ -139,6 +139,22 @@ typedef int (*verify_path_func)(const cwd_state *); +#ifndef HAVE_STRLCPY +CWD_API size_t php_strlcpy(char *dst, const char *src, size_t siz); +#undef strlcpy +#define strlcpy php_strlcpy +#endif + +#ifndef HAVE_STRLCAT +CWD_API size_t php_strlcat(char *dst, const char *src, size_t siz); +#undef strlcat +#define strlcat php_strlcat +#endif + + +#if SUHOSIN_PATCH +CWD_API char *php_realpath(const char *path, char *resolved); +#endif CWD_API void virtual_cwd_startup(void); CWD_API void virtual_cwd_shutdown(void); CWD_API char *virtual_getcwd_ex(size_t *length TSRMLS_DC); diff -Nura php-5.2.4/win32/build/config.w32 suhosin-patch-5.2.4-0.9.6.2/win32/build/config.w32 --- php-5.2.4/win32/build/config.w32 2007-04-18 11:38:59.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/win32/build/config.w32 2007-08-31 11:56:27.000000000 +0200 @@ -299,7 +299,7 @@ zend_sprintf.c zend_ini.c zend_qsort.c zend_multibyte.c zend_ts_hash.c \ zend_stream.c zend_iterators.c zend_interfaces.c zend_objects.c \ zend_object_handlers.c zend_objects_API.c \ - zend_default_classes.c zend_execute.c zend_strtod.c"); + zend_default_classes.c zend_execute.c zend_strtod.c zend_canary.c"); ADD_SOURCES("main", "main.c snprintf.c spprintf.c safe_mode.c fopen_wrappers.c \ php_scandir.c php_ini.c SAPI.c rfc1867.c php_content_types.c strlcpy.c \ @@ -344,6 +344,8 @@ AC_DEFINE('HAVE_USLEEP', 1); AC_DEFINE('HAVE_STRCOLL', 1); +AC_DEFINE('SUHOSIN_PATCH', 1); + /* For snapshot builders, where can we find the additional * files that make up the snapshot template? */ ARG_WITH("snapshot-template", "Path to snapshot builder template dir", "no"); diff -Nura php-5.2.4/Zend/Makefile.am suhosin-patch-5.2.4-0.9.6.2/Zend/Makefile.am --- php-5.2.4/Zend/Makefile.am 2006-12-05 09:07:57.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/Makefile.am 2007-08-31 11:56:27.000000000 +0200 @@ -17,7 +17,7 @@ zend_objects_API.c zend_ts_hash.c zend_stream.c \ zend_default_classes.c \ zend_iterators.c zend_interfaces.c zend_exceptions.c \ - zend_strtod.c zend_multibyte.c + zend_strtod.c zend_multibyte.c zend_canary.c libZend_la_LDFLAGS = libZend_la_LIBADD = @ZEND_EXTRA_LIBS@ diff -Nura php-5.2.4/Zend/zend_alloc.c suhosin-patch-5.2.4-0.9.6.2/Zend/zend_alloc.c --- php-5.2.4/Zend/zend_alloc.c 2007-07-25 13:13:00.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend_alloc.c 2007-08-31 11:56:27.000000000 +0200 @@ -311,13 +311,26 @@ #define MEM_BLOCK_GUARD 0x2A8FCC84 #define MEM_BLOCK_LEAK 0x6C5E8F2D +#if SUHOSIN_PATCH +# define CANARY_SIZE sizeof(size_t) +#else +# define CANARY_SIZE 0 +#endif + /* mm block type */ typedef struct _zend_mm_block_info { #if ZEND_MM_COOKIES size_t _cookie; #endif - size_t _size; - size_t _prev; +#if SUHOSIN_PATCH + size_t canary_1; +#endif + size_t _size; + size_t _prev; +#if SUHOSIN_PATCH + size_t size; + size_t canary_2; +#endif } zend_mm_block_info; #if ZEND_DEBUG @@ -422,6 +435,9 @@ int miss; } cache_stat[ZEND_MM_NUM_BUCKETS+1]; #endif +#if SUHOSIN_PATCH + size_t canary_1,canary_2,canary_3; +#endif }; #define ZEND_MM_SMALL_FREE_BUCKET(heap, index) \ @@ -511,15 +527,15 @@ #define ZEND_MM_ALIGNED_SIZE(size) ((size + ZEND_MM_ALIGNMENT - 1) & ZEND_MM_ALIGNMENT_MASK) #define ZEND_MM_ALIGNED_HEADER_SIZE ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_block)) #define ZEND_MM_ALIGNED_FREE_HEADER_SIZE ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_small_free_block)) -#define ZEND_MM_MIN_ALLOC_BLOCK_SIZE ZEND_MM_ALIGNED_SIZE(ZEND_MM_ALIGNED_HEADER_SIZE + END_MAGIC_SIZE) +#define ZEND_MM_MIN_ALLOC_BLOCK_SIZE ZEND_MM_ALIGNED_SIZE(ZEND_MM_ALIGNED_HEADER_SIZE + END_MAGIC_SIZE + CANARY_SIZE) #define ZEND_MM_ALIGNED_MIN_HEADER_SIZE (ZEND_MM_MIN_ALLOC_BLOCK_SIZE>ZEND_MM_ALIGNED_FREE_HEADER_SIZE?ZEND_MM_MIN_ALLOC_BLOCK_SIZE:ZEND_MM_ALIGNED_FREE_HEADER_SIZE) #define ZEND_MM_ALIGNED_SEGMENT_SIZE ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_segment)) -#define ZEND_MM_MIN_SIZE ((ZEND_MM_ALIGNED_MIN_HEADER_SIZE>(ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE))?(ZEND_MM_ALIGNED_MIN_HEADER_SIZE-(ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE)):0) +#define ZEND_MM_MIN_SIZE ((ZEND_MM_ALIGNED_MIN_HEADER_SIZE>(ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE+CANARY_SIZE))?(ZEND_MM_ALIGNED_MIN_HEADER_SIZE-(ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE+CANARY_SIZE)):0) #define ZEND_MM_MAX_SMALL_SIZE ((ZEND_MM_NUM_BUCKETS<<ZEND_MM_ALIGNMENT_LOG2)+ZEND_MM_ALIGNED_MIN_HEADER_SIZE) -#define ZEND_MM_TRUE_SIZE(size) ((size<ZEND_MM_MIN_SIZE)?(ZEND_MM_ALIGNED_MIN_HEADER_SIZE):(ZEND_MM_ALIGNED_SIZE(size+ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE))) +#define ZEND_MM_TRUE_SIZE(size) ((size<ZEND_MM_MIN_SIZE)?(ZEND_MM_ALIGNED_MIN_HEADER_SIZE):(ZEND_MM_ALIGNED_SIZE(size+ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE+CANARY_SIZE))) #define ZEND_MM_BUCKET_INDEX(true_size) ((true_size>>ZEND_MM_ALIGNMENT_LOG2)-(ZEND_MM_ALIGNED_MIN_HEADER_SIZE>>ZEND_MM_ALIGNMENT_LOG2)) @@ -581,6 +597,48 @@ #endif +#if SUHOSIN_PATCH + +# define SUHOSIN_MM_CHECK_CANARIES(block, MFUNCTION) do { \ + size_t *p = SUHOSIN_MM_END_CANARY_PTR(block), check; \ + if (((block)->info.canary_1 != heap->canary_1) || ((block)->info.canary_2 != heap->canary_2)) { \ + canary_mismatch: \ + zend_suhosin_log(S_MEMORY, "canary mismatch on " MFUNCTION " - heap overflow detected"); \ + exit(1); \ + } \ + memcpy(&check, p, CANARY_SIZE); \ + if (check != heap->canary_3) { \ + zend_suhosin_log(S_MEMORY, "canary mismatch on " MFUNCTION " - heap overflow detected"); \ + exit(1); \ + goto canary_mismatch; \ + } \ + } while (0) + +# define SUHOSIN_MM_SET_CANARIES(block) do { \ + (block)->info.canary_1 = heap->canary_1; \ + (block)->info.canary_2 = heap->canary_2; \ + } while (0) + +# define SUHOSIN_MM_END_CANARY_PTR(block) \ + (size_t*)(((char*)(ZEND_MM_DATA_OF(block))) + ((zend_mm_block*)(block))->info.size + END_MAGIC_SIZE) + +# define SUHOSIN_MM_SET_END_CANARY(block) do { \ + size_t *p = SUHOSIN_MM_END_CANARY_PTR(block); \ + memcpy(p, &heap->canary_3, CANARY_SIZE); \ + } while (0) + +#else + +# define SUHOSIN_MM_CHECK_CANARIES(block) + +# define SUHOSIN_MM_SET_CANARIES(block) + +# define SUHOSIN_MM_END_CANARY_PTR(block) + +# define SUHOSIN_MM_SET_END_CANARY(block) + +#endif + #if ZEND_MM_HEAP_PROTECTION @@ -779,6 +837,12 @@ if (EXPECTED(prev == mm_block)) { zend_mm_free_block **rp, **cp; +#if SUHOSIN_PATCH + if (next != mm_block) { + zend_suhosin_log(S_MEMORY, "heap corrupt on efree() - heap corruption detected"); + exit(1); + } +#endif #if ZEND_MM_SAFE_UNLINKING if (UNEXPECTED(next != mm_block)) { zend_mm_panic("zend_mm_heap corrupted"); @@ -817,6 +881,12 @@ } } else { +#if SUHOSIN_PATCH + if (prev->next_free_block != mm_block || next->prev_free_block != mm_block) { + zend_suhosin_log(S_MEMORY, "linked list corrupt on efree() - heap corruption detected"); + exit(1); + } +#endif #if ZEND_MM_SAFE_UNLINKING if (UNEXPECTED(prev->next_free_block != mm_block) || UNEXPECTED(next->prev_free_block != mm_block)) { zend_mm_panic("zend_mm_heap corrupted"); @@ -864,6 +934,11 @@ heap->large_free_buckets[i] = NULL; } heap->rest_buckets[0] = heap->rest_buckets[1] = ZEND_MM_REST_BUCKET(heap); +#if SUHOSIN_PATCH + heap->canary_1 = zend_canary(); + heap->canary_2 = zend_canary(); + heap->canary_3 = zend_canary(); +#endif } static void zend_mm_del_segment(zend_mm_heap *heap, zend_mm_segment *segment) @@ -1741,6 +1816,11 @@ best_fit = heap->cache[index]; heap->cache[index] = best_fit->prev_free_block; heap->cached -= true_size; +#if SUHOSIN_PATCH + SUHOSIN_MM_SET_CANARIES(best_fit); + ((zend_mm_block*)best_fit)->info.size = size; + SUHOSIN_MM_SET_END_CANARY(best_fit); +#endif ZEND_MM_CHECK_MAGIC(best_fit, MEM_BLOCK_CACHED); ZEND_MM_SET_DEBUG_INFO(best_fit, size, 1, 0); return ZEND_MM_DATA_OF(best_fit); @@ -1875,6 +1955,12 @@ ZEND_MM_SET_DEBUG_INFO(best_fit, size, 1, 1); +#if SUHOSIN_PATCH + SUHOSIN_MM_SET_CANARIES(best_fit); + ((zend_mm_block*)best_fit)->info.size = size; + SUHOSIN_MM_SET_END_CANARY(best_fit); +#endif + heap->size += true_size; if (heap->peak < heap->size) { heap->peak = heap->size; @@ -1898,6 +1984,9 @@ mm_block = ZEND_MM_HEADER_OF(p); size = ZEND_MM_BLOCK_SIZE(mm_block); +#if SUHOSIN_PATCH + SUHOSIN_MM_CHECK_CANARIES(mm_block, "efree()"); +#endif ZEND_MM_CHECK_PROTECTION(mm_block); #if ZEND_DEBUG || ZEND_MM_HEAP_PROTECTION @@ -1960,6 +2049,9 @@ mm_block = ZEND_MM_HEADER_OF(p); true_size = ZEND_MM_TRUE_SIZE(size); orig_size = ZEND_MM_BLOCK_SIZE(mm_block); +#if SUHOSIN_PATCH + SUHOSIN_MM_CHECK_CANARIES(mm_block, "erealloc()"); +#endif ZEND_MM_CHECK_PROTECTION(mm_block); if (UNEXPECTED(true_size < size)) { @@ -1991,6 +2083,11 @@ HANDLE_UNBLOCK_INTERRUPTIONS(); } ZEND_MM_SET_DEBUG_INFO(mm_block, size, 0, 0); +#if SUHOSIN_PATCH + SUHOSIN_MM_SET_CANARIES(mm_block); + ((zend_mm_block*)mm_block)->info.size = size; + SUHOSIN_MM_SET_END_CANARY(mm_block); +#endif return p; } @@ -2010,13 +2107,18 @@ heap->cache[index] = best_fit->prev_free_block; ZEND_MM_CHECK_MAGIC(best_fit, MEM_BLOCK_CACHED); ZEND_MM_SET_DEBUG_INFO(best_fit, size, 1, 0); +#if SUHOSIN_PATCH + SUHOSIN_MM_SET_CANARIES(best_fit); + ((zend_mm_block*)best_fit)->info.size = size; + SUHOSIN_MM_SET_END_CANARY(best_fit); +#endif ptr = ZEND_MM_DATA_OF(best_fit); #if ZEND_DEBUG || ZEND_MM_HEAP_PROTECTION memcpy(ptr, p, mm_block->debug.size); #else - memcpy(ptr, p, orig_size - ZEND_MM_ALIGNED_HEADER_SIZE); + memcpy(ptr, p, orig_size - ZEND_MM_ALIGNED_HEADER_SIZE - CANARY_SIZE); #endif heap->cached -= true_size - orig_size; @@ -2074,6 +2176,11 @@ if (heap->peak < heap->size) { heap->peak = heap->size; } +#if SUHOSIN_PATCH + SUHOSIN_MM_SET_CANARIES(mm_block); + ((zend_mm_block*)mm_block)->info.size = size; + SUHOSIN_MM_SET_END_CANARY(mm_block); +#endif HANDLE_UNBLOCK_INTERRUPTIONS(); return p; } else if (ZEND_MM_IS_FIRST_BLOCK(mm_block) && @@ -2177,6 +2284,11 @@ } HANDLE_UNBLOCK_INTERRUPTIONS(); +#if SUHOSIN_PATCH + SUHOSIN_MM_SET_CANARIES(mm_block); + ((zend_mm_block*)mm_block)->info.size = size; + SUHOSIN_MM_SET_END_CANARY(mm_block); +#endif return ZEND_MM_DATA_OF(mm_block); } @@ -2184,7 +2296,7 @@ #if ZEND_DEBUG || ZEND_MM_HEAP_PROTECTION memcpy(ptr, p, mm_block->debug.size); #else - memcpy(ptr, p, orig_size - ZEND_MM_ALIGNED_HEADER_SIZE); + memcpy(ptr, p, orig_size - ZEND_MM_ALIGNED_HEADER_SIZE - CANARY_SIZE); #endif _zend_mm_free_int(heap, p ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC); return ptr; @@ -2427,6 +2539,17 @@ zend_mm_shutdown(AG(mm_heap), full_shutdown, silent); } +#if SUHOSIN_PATCH +ZEND_API void suhosin_clear_mm_canaries(TSRMLS_D) +{ +/* NOT HERE + + AG(mm_heap)->canary_1 = zend_canary(); + AG(mm_heap)->canary_2 = zend_canary(); + AG(mm_heap)->canary_3 = zend_canary(); */ +} +#endif + static void alloc_globals_ctor(zend_alloc_globals *alloc_globals TSRMLS_DC) { char *tmp; diff -Nura php-5.2.4/Zend/zend_alloc.h suhosin-patch-5.2.4-0.9.6.2/Zend/zend_alloc.h --- php-5.2.4/Zend/zend_alloc.h 2007-03-20 07:46:48.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend_alloc.h 2007-08-31 11:56:27.000000000 +0200 @@ -128,6 +128,9 @@ ZEND_API void start_memory_manager(TSRMLS_D); ZEND_API void shutdown_memory_manager(int silent, int full_shutdown TSRMLS_DC); +#if SUHOSIN_PATCH +ZEND_API void suhosin_clear_mm_canaries(TSRMLS_D); +#endif ZEND_API int is_zend_mm(TSRMLS_D); #if ZEND_DEBUG diff -Nura php-5.2.4/Zend/zend.c suhosin-patch-5.2.4-0.9.6.2/Zend/zend.c --- php-5.2.4/Zend/zend.c 2007-07-21 02:35:14.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend.c 2007-08-31 11:56:27.000000000 +0200 @@ -57,7 +57,9 @@ ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args); int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap); ZEND_API char *(*zend_getenv)(char *name, size_t name_len TSRMLS_DC); - +#if SUHOSIN_PATCH +ZEND_API void (*zend_suhosin_log)(int loglevel, char *fmt, ...); +#endif void (*zend_on_timeout)(int seconds TSRMLS_DC); static void (*zend_message_dispatcher_p)(long message, void *data); @@ -74,9 +76,88 @@ return SUCCESS; } +#if SUHOSIN_PATCH +static ZEND_INI_MH(OnUpdateSuhosin_log_syslog) +{ + if (!new_value) { + SPG(log_syslog) = S_ALL & ~S_SQL | S_MEMORY; + } else { + SPG(log_syslog) = atoi(new_value) | S_MEMORY; + } + return SUCCESS; +} +static ZEND_INI_MH(OnUpdateSuhosin_log_syslog_facility) +{ + if (!new_value) { + SPG(log_syslog_facility) = LOG_USER; + } else { + SPG(log_syslog_facility) = atoi(new_value); + } + return SUCCESS; +} +static ZEND_INI_MH(OnUpdateSuhosin_log_syslog_priority) +{ + if (!new_value) { + SPG(log_syslog_priority) = LOG_ALERT; + } else { + SPG(log_syslog_priority) = atoi(new_value); + } + return SUCCESS; +} +static ZEND_INI_MH(OnUpdateSuhosin_log_sapi) +{ + if (!new_value) { + SPG(log_sapi) = S_ALL & ~S_SQL; + } else { + SPG(log_sapi) = atoi(new_value); + } + return SUCCESS; +} +static ZEND_INI_MH(OnUpdateSuhosin_log_script) +{ + if (!new_value) { + SPG(log_script) = S_ALL & ~S_MEMORY; + } else { + SPG(log_script) = atoi(new_value) & (~S_MEMORY) & (~S_INTERNAL); + } + return SUCCESS; +} +static ZEND_INI_MH(OnUpdateSuhosin_log_scriptname) +{ + if (SPG(log_scriptname)) { + pefree(SPG(log_scriptname),1); + } + SPG(log_scriptname) = NULL; + if (new_value) { + SPG(log_scriptname) = pestrdup(new_value,1); + } + return SUCCESS; +} +static ZEND_INI_MH(OnUpdateSuhosin_log_phpscript) +{ + if (!new_value) { + SPG(log_phpscript) = S_ALL & ~S_MEMORY; + } else { + SPG(log_phpscript) = atoi(new_value) & (~S_MEMORY) & (~S_INTERNAL); + } + return SUCCESS; +} +#endif ZEND_INI_BEGIN() ZEND_INI_ENTRY("error_reporting", NULL, ZEND_INI_ALL, OnUpdateErrorReporting) +#if SUHOSIN_PATCH + ZEND_INI_ENTRY("suhosin.log.syslog", NULL, ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateSuhosin_log_syslog) + ZEND_INI_ENTRY("suhosin.log.syslog.facility", NULL, ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateSuhosin_log_syslog_facility) + ZEND_INI_ENTRY("suhosin.log.syslog.priority", NULL, ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateSuhosin_log_syslog_priority) + ZEND_INI_ENTRY("suhosin.log.sapi", NULL, ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateSuhosin_log_sapi) + ZEND_INI_ENTRY("suhosin.log.script", NULL, ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateSuhosin_log_script) + ZEND_INI_ENTRY("suhosin.log.script.name", NULL, ZEND_INI_SYSTEM, OnUpdateSuhosin_log_scriptname) + STD_ZEND_INI_BOOLEAN("suhosin.log.use-x-forwarded-for", "0", ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateBool, log_use_x_forwarded_for, suhosin_patch_globals_struct, suhosin_patch_globals) + ZEND_INI_ENTRY("suhosin.log.phpscript", "0", ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateSuhosin_log_phpscript) + STD_ZEND_INI_ENTRY("suhosin.log.phpscript.name", NULL, ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateString, log_phpscriptname, suhosin_patch_globals_struct, suhosin_patch_globals) + STD_ZEND_INI_BOOLEAN("suhosin.log.phpscript.is_safe", "0", ZEND_INI_SYSTEM, OnUpdateBool, log_phpscript_is_safe, suhosin_patch_globals_struct, suhosin_patch_globals) +#endif STD_ZEND_INI_BOOLEAN("zend.ze1_compatibility_mode", "0", ZEND_INI_ALL, OnUpdateBool, ze1_compatibility_mode, zend_executor_globals, executor_globals) #ifdef ZEND_MULTIBYTE STD_ZEND_INI_BOOLEAN("detect_unicode", "1", ZEND_INI_ALL, OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals) diff -Nura php-5.2.4/Zend/zend_canary.c suhosin-patch-5.2.4-0.9.6.2/Zend/zend_canary.c --- php-5.2.4/Zend/zend_canary.c 1970-01-01 01:00:00.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend_canary.c 2007-08-31 11:56:27.000000000 +0200 @@ -0,0 +1,64 @@ +/* + +----------------------------------------------------------------------+ + | Suhosin-Patch for PHP | + +----------------------------------------------------------------------+ + | Copyright (c) 2004-2006 Stefan Esser | + +----------------------------------------------------------------------+ + | 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. | + +----------------------------------------------------------------------+ + | Author: Stefan Esser <sesser@hardened-php.net> | + +----------------------------------------------------------------------+ + */ +/* $Id: zend_canary.c,v 1.1 2004/11/26 12:45:41 ionic Exp $ */ + +#include "zend.h" + +#include <stdio.h> +#include <stdlib.h> + + +#if SUHOSIN_PATCH + +static size_t last_canary = 0x73625123; + +/* will be replaced later with more compatible method */ +ZEND_API size_t zend_canary() +{ + time_t t; + size_t canary; + int fd; + +#ifndef PHP_WIN32 + fd = open("/dev/urandom", 0); + if (fd != -1) { + int r = read(fd, &canary, sizeof(canary)); + close(fd); + if (r == sizeof(canary)) { + return (canary); + } + } +#endif + /* not good but we never want to do this */ + time(&t); + canary = *(unsigned int *)&t + getpid() << 16 + last_canary; + last_canary ^= (canary << 5) | (canary >> (32-5)); + return (canary); +} + +#endif + + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim600: sw=4 ts=4 fdm=marker + * vim<600: sw=4 ts=4 + */ diff -Nura php-5.2.4/Zend/zend_compile.c suhosin-patch-5.2.4-0.9.6.2/Zend/zend_compile.c --- php-5.2.4/Zend/zend_compile.c 2007-05-18 15:12:03.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend_compile.c 2007-08-31 11:56:27.000000000 +0200 @@ -54,7 +54,6 @@ property_info->name = zend_strndup(property_info->name, property_info->name_length); } - static void zend_destroy_property_info(zend_property_info *property_info) { efree(property_info->name); @@ -68,6 +67,10 @@ { free(property_info->name); } +#if SUHOSIN_PATCH +void *suhosin_zend_destroy_property_info_internal = zend_destroy_property_info_internal; +void *suhosin_zend_destroy_property_info = zend_destroy_property_info; +#endif static void build_runtime_defined_function_key(zval *result, char *name, int name_length TSRMLS_DC) { diff -Nura php-5.2.4/Zend/zend_compile.h suhosin-patch-5.2.4-0.9.6.2/Zend/zend_compile.h --- php-5.2.4/Zend/zend_compile.h 2007-05-18 15:12:04.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend_compile.h 2007-08-31 11:56:27.000000000 +0200 @@ -564,6 +564,11 @@ int zendlex(znode *zendlval TSRMLS_DC); +#if SUHOSIN_PATCH +extern void *suhosin_zend_destroy_property_info_internal; +extern void *suhosin_zend_destroy_property_info; +#endif + /* BEGIN: OPCODES */ #include "zend_vm_opcodes.h" @@ -686,6 +691,7 @@ #define ZEND_RETURNS_FUNCTION 1<<0 + END_EXTERN_C() #define ZEND_CLONE_FUNC_NAME "__clone" diff -Nura php-5.2.4/Zend/zend_constants.c suhosin-patch-5.2.4-0.9.6.2/Zend/zend_constants.c --- php-5.2.4/Zend/zend_constants.c 2007-07-27 18:29:11.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend_constants.c 2007-08-31 11:56:27.000000000 +0200 @@ -110,6 +110,75 @@ REGISTER_MAIN_LONG_CONSTANT("E_USER_NOTICE", E_USER_NOTICE, CONST_PERSISTENT | CONST_CS); REGISTER_MAIN_LONG_CONSTANT("E_ALL", E_ALL, CONST_PERSISTENT | CONST_CS); +#if SUHOSIN_PATCH + REGISTER_MAIN_LONG_CONSTANT("S_MEMORY", S_MEMORY, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_VARS", S_VARS, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_FILES", S_FILES, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_INCLUDE", S_INCLUDE, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_SQL", S_SQL, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_EXECUTOR", S_EXECUTOR, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_MAIL", S_MAIL, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_SESSION", S_SESSION, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_MISC", S_MISC, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_INTERNAL", S_INTERNAL, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("S_ALL", S_ALL, CONST_PERSISTENT | CONST_CS); + + /* error levels */ + REGISTER_MAIN_LONG_CONSTANT("LOG_EMERG", LOG_EMERG, CONST_CS | CONST_PERSISTENT); /* system unusable */ + REGISTER_MAIN_LONG_CONSTANT("LOG_ALERT", LOG_ALERT, CONST_CS | CONST_PERSISTENT); /* immediate action required */ + REGISTER_MAIN_LONG_CONSTANT("LOG_CRIT", LOG_CRIT, CONST_CS | CONST_PERSISTENT); /* critical conditions */ + REGISTER_MAIN_LONG_CONSTANT("LOG_ERR", LOG_ERR, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_WARNING", LOG_WARNING, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_NOTICE", LOG_NOTICE, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_INFO", LOG_INFO, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_DEBUG", LOG_DEBUG, CONST_CS | CONST_PERSISTENT); + /* facility: type of program logging the message */ + REGISTER_MAIN_LONG_CONSTANT("LOG_KERN", LOG_KERN, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_USER", LOG_USER, CONST_CS | CONST_PERSISTENT); /* generic user level */ + REGISTER_MAIN_LONG_CONSTANT("LOG_MAIL", LOG_MAIL, CONST_CS | CONST_PERSISTENT); /* log to email */ + REGISTER_MAIN_LONG_CONSTANT("LOG_DAEMON", LOG_DAEMON, CONST_CS | CONST_PERSISTENT); /* other system daemons */ + REGISTER_MAIN_LONG_CONSTANT("LOG_AUTH", LOG_AUTH, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_SYSLOG", LOG_SYSLOG, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_LPR", LOG_LPR, CONST_CS | CONST_PERSISTENT); +#ifdef LOG_NEWS + /* No LOG_NEWS on HP-UX */ + REGISTER_MAIN_LONG_CONSTANT("LOG_NEWS", LOG_NEWS, CONST_CS | CONST_PERSISTENT); /* usenet new */ +#endif +#ifdef LOG_UUCP + /* No LOG_UUCP on HP-UX */ + REGISTER_MAIN_LONG_CONSTANT("LOG_UUCP", LOG_UUCP, CONST_CS | CONST_PERSISTENT); +#endif +#ifdef LOG_CRON + /* apparently some systems don't have this one */ + REGISTER_MAIN_LONG_CONSTANT("LOG_CRON", LOG_CRON, CONST_CS | CONST_PERSISTENT); +#endif +#ifdef LOG_AUTHPRIV + /* AIX doesn't have LOG_AUTHPRIV */ + REGISTER_MAIN_LONG_CONSTANT("LOG_AUTHPRIV", LOG_AUTHPRIV, CONST_CS | CONST_PERSISTENT); +#endif +#if !defined(PHP_WIN32) && !defined(NETWARE) + REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL0", LOG_LOCAL0, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL1", LOG_LOCAL1, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL2", LOG_LOCAL2, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL3", LOG_LOCAL3, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL4", LOG_LOCAL4, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL5", LOG_LOCAL5, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL6", LOG_LOCAL6, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_LOCAL7", LOG_LOCAL7, CONST_CS | CONST_PERSISTENT); +#endif + /* options */ + REGISTER_MAIN_LONG_CONSTANT("LOG_PID", LOG_PID, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_CONS", LOG_CONS, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_ODELAY", LOG_ODELAY, CONST_CS | CONST_PERSISTENT); + REGISTER_MAIN_LONG_CONSTANT("LOG_NDELAY", LOG_NDELAY, CONST_CS | CONST_PERSISTENT); +#ifdef LOG_NOWAIT + REGISTER_MAIN_LONG_CONSTANT("LOG_NOWAIT", LOG_NOWAIT, CONST_CS | CONST_PERSISTENT); +#endif +#ifdef LOG_PERROR + /* AIX doesn't have LOG_PERROR */ + REGISTER_MAIN_LONG_CONSTANT("LOG_PERROR", LOG_PERROR, CONST_CS | CONST_PERSISTENT); /*log to stderr*/ +#endif +#endif /* true/false constants */ { diff -Nura php-5.2.4/Zend/Zend.dsp suhosin-patch-5.2.4-0.9.6.2/Zend/Zend.dsp --- php-5.2.4/Zend/Zend.dsp 2006-12-05 09:07:57.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/Zend.dsp 2007-08-31 11:56:27.000000000 +0200 @@ -239,6 +239,10 @@ # End Source File # Begin Source File +SOURCE=.\zend_canary.c +# End Source File +# Begin Source File + SOURCE=.\zend_ts_hash.c # End Source File # Begin Source File diff -Nura php-5.2.4/Zend/zend_errors.h suhosin-patch-5.2.4-0.9.6.2/Zend/zend_errors.h --- php-5.2.4/Zend/zend_errors.h 2007-01-01 10:35:46.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend_errors.h 2007-08-31 11:56:27.000000000 +0200 @@ -39,6 +39,20 @@ #define E_ALL (E_ERROR | E_WARNING | E_PARSE | E_NOTICE | E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_COMPILE_WARNING | E_USER_ERROR | E_USER_WARNING | E_USER_NOTICE | E_RECOVERABLE_ERROR) #define E_CORE (E_CORE_ERROR | E_CORE_WARNING) +#if SUHOSIN_PATCH +#define S_MEMORY (1<<0L) +#define S_MISC (1<<1L) +#define S_VARS (1<<2L) +#define S_FILES (1<<3L) +#define S_INCLUDE (1<<4L) +#define S_SQL (1<<5L) +#define S_EXECUTOR (1<<6L) +#define S_MAIL (1<<7L) +#define S_SESSION (1<<8L) +#define S_INTERNAL (1<<29L) +#define S_ALL (S_MEMORY | S_VARS | S_INCLUDE | S_FILES | S_MAIL | S_SESSION | S_MISC | S_SQL | S_EXECUTOR) +#endif + #endif /* ZEND_ERRORS_H */ /* diff -Nura php-5.2.4/Zend/zend.h suhosin-patch-5.2.4-0.9.6.2/Zend/zend.h --- php-5.2.4/Zend/zend.h 2007-07-23 18:17:10.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend.h 2007-08-31 11:56:27.000000000 +0200 @@ -520,6 +520,9 @@ extern ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC); extern int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap); extern ZEND_API char *(*zend_getenv)(char *name, size_t name_len TSRMLS_DC); +#if SUHOSIN_PATCH +extern ZEND_API void (*zend_suhosin_log)(int loglevel, char *fmt, ...); +#endif ZEND_API void zend_error(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3); @@ -651,6 +654,13 @@ #include "zend_operators.h" #include "zend_variables.h" +#if SUHOSIN_PATCH +#include "suhosin_globals.h" +#include "php_syslog.h" + +ZEND_API size_t zend_canary(); +#endif + #endif /* ZEND_H */ /* diff -Nura php-5.2.4/Zend/zend_hash.c suhosin-patch-5.2.4-0.9.6.2/Zend/zend_hash.c --- php-5.2.4/Zend/zend_hash.c 2007-07-24 20:28:39.000000000 +0200 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend_hash.c 2007-08-31 11:56:27.000000000 +0200 @@ -20,6 +20,7 @@ /* $Id: zend_hash.c,v 1.121.2.4.2.8 2007/07/24 18:28:39 dmitry Exp $ */ #include "zend.h" +#include "zend_compile.h" #define CONNECT_TO_BUCKET_DLLIST(element, list_head) \ (element)->pNext = (list_head); \ @@ -132,7 +133,189 @@ (p)->pDataPtr=NULL; \ } +#if SUHOSIN_PATCH +#ifdef ZTS +MUTEX_T zend_hash_dprot_mx_reader; +MUTEX_T zend_hash_dprot_mx_writer; +unsigned int zend_hash_dprot_reader; +#endif +unsigned int zend_hash_dprot_counter; +unsigned int zend_hash_dprot_curmax; +dtor_func_t *zend_hash_dprot_table = NULL; + +static void zend_hash_dprot_begin_read() +{ +#ifdef ZTS + tsrm_mutex_lock(zend_hash_dprot_mx_reader); + if ((++(zend_hash_dprot_reader)) == 1) { + tsrm_mutex_lock(zend_hash_dprot_mx_writer); + } + tsrm_mutex_unlock(zend_hash_dprot_mx_reader); +#endif +} + +static void zend_hash_dprot_end_read() +{ +#ifdef ZTS + tsrm_mutex_lock(zend_hash_dprot_mx_reader); + if ((--(zend_hash_dprot_reader)) == 0) { + tsrm_mutex_unlock(zend_hash_dprot_mx_writer); + } + tsrm_mutex_unlock(zend_hash_dprot_mx_reader); +#endif +} + +static void zend_hash_dprot_begin_write() +{ +#ifdef ZTS + tsrm_mutex_lock(zend_hash_dprot_mx_writer); +#endif +} + +static void zend_hash_dprot_end_write() +{ +#ifdef ZTS + tsrm_mutex_unlock(zend_hash_dprot_mx_writer); +#endif +} + +/*ZEND_API void zend_hash_dprot_dtor() +{ +#ifdef ZTS + tsrm_mutex_free(zend_hash_dprot_mx_reader); + tsrm_mutex_free(zend_hash_dprot_mx_writer); +#endif + free(zend_hash_dprot_table); +}*/ + +static void zend_hash_add_destructor(dtor_func_t pDestructor) +{ + int left, right, mid; + zend_bool found = 0; + unsigned long value; + + if (pDestructor == NULL || pDestructor == ZVAL_PTR_DTOR || pDestructor == ZVAL_INTERNAL_PTR_DTOR + || pDestructor == ZEND_FUNCTION_DTOR || pDestructor == ZEND_CLASS_DTOR) { + return; + } + + if (zend_hash_dprot_table == NULL) { +#ifdef ZTS + zend_hash_dprot_mx_reader = tsrm_mutex_alloc(); + zend_hash_dprot_mx_writer = tsrm_mutex_alloc(); + zend_hash_dprot_reader = 0; +#endif + zend_hash_dprot_counter = 0; + zend_hash_dprot_curmax = 256; + zend_hash_dprot_table = (dtor_func_t *) malloc(256 * sizeof(dtor_func_t)); + } + + zend_hash_dprot_begin_write(); + + if (zend_hash_dprot_counter == 0) { + zend_hash_dprot_counter++; + zend_hash_dprot_table[0] = pDestructor; + } else { + value = (unsigned long) pDestructor; + left = 0; + right = zend_hash_dprot_counter-1; + mid = 0; + + while (left < right) { + mid = (right - left) >> 1; + mid += left; + if ((unsigned long)zend_hash_dprot_table[mid] == value) { + found = 1; + break; + } + if (value < (unsigned long)zend_hash_dprot_table[mid]) { + right = mid-1; + } else { + left = mid+1; + } + } + if ((unsigned long)zend_hash_dprot_table[left] == value) { + found = 1; + } + + if (!found) { + + if (zend_hash_dprot_counter >= zend_hash_dprot_curmax) { + zend_hash_dprot_curmax += 256; + zend_hash_dprot_table = (dtor_func_t *) realloc(zend_hash_dprot_table, zend_hash_dprot_curmax * sizeof(dtor_func_t)); + } + + if ((unsigned long)zend_hash_dprot_table[left] < value) { + memmove(zend_hash_dprot_table+left+2, zend_hash_dprot_table+left+1, (zend_hash_dprot_counter-left-1)*sizeof(dtor_func_t)); + zend_hash_dprot_table[left+1] = pDestructor; + } else { + memmove(zend_hash_dprot_table+left+1, zend_hash_dprot_table+left, (zend_hash_dprot_counter-left)*sizeof(dtor_func_t)); + zend_hash_dprot_table[left] = pDestructor; + } + + zend_hash_dprot_counter++; + } + } + + zend_hash_dprot_end_write(); +} + +static void zend_hash_check_destructor(dtor_func_t pDestructor) +{ + unsigned long value; + + if (pDestructor == NULL || pDestructor == ZVAL_PTR_DTOR || pDestructor == ZVAL_INTERNAL_PTR_DTOR +#ifdef ZEND_ENGINE_2 + || pDestructor == suhosin_zend_destroy_property_info_internal || pDestructor == suhosin_zend_destroy_property_info +#endif + || pDestructor == ZEND_FUNCTION_DTOR || pDestructor == ZEND_CLASS_DTOR) { + return; + } + + zend_hash_dprot_begin_read(); + + if (zend_hash_dprot_counter > 0) { + int left, right, mid; + zend_bool found = 0; + + value = (unsigned long) pDestructor; + left = 0; + right = zend_hash_dprot_counter-1; + + while (left < right) { + mid = (right - left) >> 1; + mid += left; + if ((unsigned long)zend_hash_dprot_table[mid] == value) { + found = 1; + break; + } + if (value < (unsigned long)zend_hash_dprot_table[mid]) { + right = mid-1; + } else { + left = mid+1; + } + } + if ((unsigned long)zend_hash_dprot_table[left] == value) { + found = 1; + } + + if (!found) { + zend_hash_dprot_end_read(); + + zend_suhosin_log(S_MEMORY, "possible memory corruption detected - unknown Hashtable destructor"); + exit(1); + return; + } + + } + + zend_hash_dprot_end_read(); +} +#else +#define zend_hash_add_destructor(pDestructor) do {} while(0) +#define zend_hash_check_destructor(pDestructor) do {} while(0) +#endif ZEND_API int _zend_hash_init(HashTable *ht, uint nSize, hash_func_t pHashFunction, dtor_func_t pDestructor, zend_bool persistent ZEND_FILE_LINE_DC) { @@ -153,6 +336,7 @@ ht->nTableMask = ht->nTableSize - 1; ht->pDestructor = pDestructor; + zend_hash_add_destructor(pDestructor); ht->arBuckets = NULL; ht->pListHead = NULL; ht->pListTail = NULL; @@ -230,6 +414,8 @@ return FAILURE; } #endif + + zend_hash_check_destructor(ht->pDestructor); if (ht->pDestructor) { ht->pDestructor(p->pData); } @@ -295,6 +481,7 @@ return FAILURE; } #endif + zend_hash_check_destructor(ht->pDestructor); if (ht->pDestructor) { ht->pDestructor(p->pData); } @@ -370,6 +557,7 @@ return FAILURE; } #endif + zend_hash_check_destructor(ht->pDestructor); if (ht->pDestructor) { ht->pDestructor(p->pData); } @@ -493,6 +681,7 @@ if (ht->pInternalPointer == p) { ht->pInternalPointer = p->pListNext; } + zend_hash_check_destructor(ht->pDestructor); if (ht->pDestructor) { ht->pDestructor(p->pData); } @@ -518,6 +707,8 @@ SET_INCONSISTENT(HT_IS_DESTROYING); + zend_hash_check_destructor(ht->pDestructor); + p = ht->pListHead; while (p != NULL) { q = p; @@ -544,6 +735,8 @@ SET_INCONSISTENT(HT_CLEANING); + zend_hash_check_destructor(ht->pDestructor); + p = ht->pListHead; while (p != NULL) { q = p; @@ -607,6 +800,7 @@ ht->nNumOfElements--; HANDLE_UNBLOCK_INTERRUPTIONS(); + zend_hash_check_destructor(ht->pDestructor); if (ht->pDestructor) { ht->pDestructor(p->pData); } diff -Nura php-5.2.4/Zend/zend_llist.c suhosin-patch-5.2.4-0.9.6.2/Zend/zend_llist.c --- php-5.2.4/Zend/zend_llist.c 2007-02-16 09:33:28.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/zend_llist.c 2007-08-31 11:56:27.000000000 +0200 @@ -23,6 +23,184 @@ #include "zend_llist.h" #include "zend_qsort.h" +#if SUHOSIN_PATCH +#ifdef ZTS +MUTEX_T zend_llist_dprot_mx_reader; +MUTEX_T zend_llist_dprot_mx_writer; +unsigned int zend_llist_dprot_reader; +#endif +unsigned int zend_llist_dprot_counter; +unsigned int zend_llist_dprot_curmax; +llist_dtor_func_t *zend_llist_dprot_table = NULL; + +static void zend_llist_dprot_begin_read() +{ +#ifdef ZTS + tsrm_mutex_lock(zend_llist_dprot_mx_reader); + if ((++(zend_llist_dprot_reader)) == 1) { + tsrm_mutex_lock(zend_llist_dprot_mx_writer); + } + tsrm_mutex_unlock(zend_llist_dprot_mx_reader); +#endif +} + +static void zend_llist_dprot_end_read() +{ +#ifdef ZTS + tsrm_mutex_lock(zend_llist_dprot_mx_reader); + if ((--(zend_llist_dprot_reader)) == 0) { + tsrm_mutex_unlock(zend_llist_dprot_mx_writer); + } + tsrm_mutex_unlock(zend_llist_dprot_mx_reader); +#endif +} + +static void zend_llist_dprot_begin_write() +{ +#ifdef ZTS + tsrm_mutex_lock(zend_llist_dprot_mx_writer); +#endif +} + +static void zend_llist_dprot_end_write() +{ +#ifdef ZTS + tsrm_mutex_unlock(zend_llist_dprot_mx_writer); +#endif +} + +/*ZEND_API void zend_llist_dprot_dtor() +{ +#ifdef ZTS + tsrm_mutex_free(zend_llist_dprot_mx_reader); + tsrm_mutex_free(zend_llist_dprot_mx_writer); +#endif + free(zend_llist_dprot_table); +}*/ + +static void zend_llist_add_destructor(llist_dtor_func_t pDestructor) +{ + int left, right, mid; + zend_bool found = 0; + unsigned long value; + + if (pDestructor == NULL || pDestructor == ZVAL_PTR_DTOR) { + return; + } + + if (zend_llist_dprot_table == NULL) { +#ifdef ZTS + zend_llist_dprot_mx_reader = tsrm_mutex_alloc(); + zend_llist_dprot_mx_writer = tsrm_mutex_alloc(); + zend_llist_dprot_reader = 0; +#endif + zend_llist_dprot_counter = 0; + zend_llist_dprot_curmax = 256; + zend_llist_dprot_table = (llist_dtor_func_t *) malloc(256 * sizeof(llist_dtor_func_t)); + } + + zend_llist_dprot_begin_write(); + + if (zend_llist_dprot_counter == 0) { + zend_llist_dprot_counter++; + zend_llist_dprot_table[0] = pDestructor; + } else { + value = (unsigned long) pDestructor; + left = 0; + right = zend_llist_dprot_counter-1; + mid = 0; + + while (left < right) { + mid = (right - left) >> 1; + mid += left; + if ((unsigned long)zend_llist_dprot_table[mid] == value) { + found = 1; + break; + } + if (value < (unsigned long)zend_llist_dprot_table[mid]) { + right = mid-1; + } else { + left = mid+1; + } + } + if ((unsigned long)zend_llist_dprot_table[left] == value) { + found = 1; + } + + if (!found) { + + if (zend_llist_dprot_counter >= zend_llist_dprot_curmax) { + zend_llist_dprot_curmax += 256; + zend_llist_dprot_table = (llist_dtor_func_t *) realloc(zend_llist_dprot_table, zend_llist_dprot_curmax * sizeof(llist_dtor_func_t)); + } + + if ((unsigned long)zend_llist_dprot_table[left] < value) { + memmove(zend_llist_dprot_table+left+2, zend_llist_dprot_table+left+1, (zend_llist_dprot_counter-left-1)*sizeof(llist_dtor_func_t)); + zend_llist_dprot_table[left+1] = pDestructor; + } else { + memmove(zend_llist_dprot_table+left+1, zend_llist_dprot_table+left, (zend_llist_dprot_counter-left)*sizeof(llist_dtor_func_t)); + zend_llist_dprot_table[left] = pDestructor; + } + + zend_llist_dprot_counter++; + } + } + + zend_llist_dprot_end_write(); +} + +static void zend_llist_check_destructor(llist_dtor_func_t pDestructor) +{ + unsigned long value; + + if (pDestructor == NULL || pDestructor == ZVAL_PTR_DTOR) { + return; + } + + zend_llist_dprot_begin_read(); + + if (zend_llist_dprot_counter > 0) { + int left, right, mid; + zend_bool found = 0; + + value = (unsigned long) pDestructor; + left = 0; + right = zend_llist_dprot_counter-1; + + while (left < right) { + mid = (right - left) >> 1; + mid += left; + if ((unsigned long)zend_llist_dprot_table[mid] == value) { + found = 1; + break; + } + if (value < (unsigned long)zend_llist_dprot_table[mid]) { + right = mid-1; + } else { + left = mid+1; + } + } + if ((unsigned long)zend_llist_dprot_table[left] == value) { + found = 1; + } + + if (!found) { + zend_llist_dprot_end_read(); + + zend_suhosin_log(S_MEMORY, "possible memory corruption detected - unknown llist destructor"); + exit(1); + return; + } + + } + + zend_llist_dprot_end_read(); +} +#else +#define zend_llist_add_destructor(pDestructor) do {} while(0) +#define zend_llist_check_destructor(pDestructor) do {} while(0) +#endif + ZEND_API void zend_llist_init(zend_llist *l, size_t size, llist_dtor_func_t dtor, unsigned char persistent) { l->head = NULL; @@ -30,6 +208,7 @@ l->count = 0; l->size = size; l->dtor = dtor; + zend_llist_add_destructor(dtor); l->persistent = persistent; } @@ -81,6 +260,7 @@ } else {\ (l)->tail = (current)->prev;\ }\ + zend_llist_check_destructor((l)->dtor); \ if ((l)->dtor) {\ (l)->dtor((current)->data);\ }\ @@ -108,6 +288,7 @@ { zend_llist_element *current=l->head, *next; + zend_llist_check_destructor(l->dtor); while (current) { next = current->next; if (l->dtor) { @@ -133,6 +314,7 @@ zend_llist_element *old_tail; void *data; + zend_llist_check_destructor(l->dtor); if ((old_tail = l->tail)) { if (old_tail->prev) { old_tail->prev->next = NULL; diff -Nura php-5.2.4/Zend/ZendTS.dsp suhosin-patch-5.2.4-0.9.6.2/Zend/ZendTS.dsp --- php-5.2.4/Zend/ZendTS.dsp 2006-12-05 09:07:57.000000000 +0100 +++ suhosin-patch-5.2.4-0.9.6.2/Zend/ZendTS.dsp 2007-08-31 11:56:27.000000000 +0200 @@ -273,6 +273,10 @@ # End Source File # Begin Source File +SOURCE=.\zend_canary.c +# End Source File +# Begin Source File + SOURCE=.\zend_ts_hash.c # End Source File # Begin Source File
