diff options
| -rw-r--r-- | Changelog | 2 | ||||
| -rw-r--r-- | config.m4 | 2 | ||||
| -rw-r--r-- | config.w32 | 2 | ||||
| -rw-r--r-- | crypt.c | 283 | ||||
| -rw-r--r-- | session.c | 773 | ||||
| -rw-r--r-- | suhosin.c | 8 | ||||
| -rw-r--r-- | tests/session/session_recursive_crash2.phpt | 61 |
7 files changed, 387 insertions, 744 deletions
| @@ -17,6 +17,8 @@ | |||
| 17 | - Added new array index filter (character whitelist/blacklist) | 17 | - Added new array index filter (character whitelist/blacklist) |
| 18 | - Added option to suppress date/time for suhosin file logging (suhosin.log.file.time=0) | 18 | - Added option to suppress date/time for suhosin file logging (suhosin.log.file.time=0) |
| 19 | - Added simple script to create binary Debian package | 19 | - Added simple script to create binary Debian package |
| 20 | - Fixed additional recursion problems with session handler | ||
| 21 | - Suhosin now depends on php_session.h instead of version-specific struct code | ||
| 20 | 22 | ||
| 21 | 2014-06-10 - 0.9.36 | 23 | 2014-06-10 - 0.9.36 |
| 22 | 24 | ||
| @@ -5,7 +5,7 @@ PHP_ARG_ENABLE(suhosin, whether to enable suhosin support, | |||
| 5 | [ --enable-suhosin Enable suhosin support]) | 5 | [ --enable-suhosin Enable suhosin support]) |
| 6 | 6 | ||
| 7 | if test "$PHP_SUHOSIN" != "no"; then | 7 | if test "$PHP_SUHOSIN" != "no"; then |
| 8 | PHP_NEW_EXTENSION(suhosin, suhosin.c sha256.c memory_limit.c treat_data.c ifilter.c post_handler.c ufilter.c rfc1867.c rfc1867_new.c log.c header.c execute.c ex_imp.c session.c aes.c compat_snprintf.c, $ext_shared) | 8 | PHP_NEW_EXTENSION(suhosin, suhosin.c sha256.c memory_limit.c treat_data.c ifilter.c post_handler.c ufilter.c rfc1867.c rfc1867_new.c log.c header.c execute.c ex_imp.c session.c aes.c compat_snprintf.c crypt.c, $ext_shared) |
| 9 | fi | 9 | fi |
| 10 | 10 | ||
| 11 | PHP_ARG_ENABLE(suhosin-experimental, whether to enable experimental suhosin features, | 11 | PHP_ARG_ENABLE(suhosin-experimental, whether to enable experimental suhosin features, |
| @@ -4,5 +4,5 @@ | |||
| 4 | ARG_ENABLE("suhosin", "whether to enable suhosin support", "yes"); | 4 | ARG_ENABLE("suhosin", "whether to enable suhosin support", "yes"); |
| 5 | 5 | ||
| 6 | if (PHP_SUHOSIN == "yes") { | 6 | if (PHP_SUHOSIN == "yes") { |
| 7 | EXTENSION("suhosin", "suhosin.c sha256.c memory_limit.c treat_data.c ifilter.c post_handler.c ufilter.c rfc1867.c log.c header.c execute.c ex_imp.c session.c aes.c"); | 7 | EXTENSION("suhosin", "suhosin.c sha256.c memory_limit.c treat_data.c ifilter.c post_handler.c ufilter.c rfc1867.c rfc1867_new.c log.c header.c execute.c ex_imp.c session.c aes.c crypt.c"); |
| 8 | } | 8 | } |
| @@ -0,0 +1,283 @@ | |||
| 1 | /* | ||
| 2 | +----------------------------------------------------------------------+ | ||
| 3 | | Suhosin Version 1 | | ||
| 4 | +----------------------------------------------------------------------+ | ||
| 5 | | Copyright (c) 2006-2007 The Hardened-PHP Project | | ||
| 6 | | Copyright (c) 2007-2014 SektionEins GmbH | | ||
| 7 | +----------------------------------------------------------------------+ | ||
| 8 | | This source file is subject to version 3.01 of the PHP license, | | ||
| 9 | | that is bundled with this package in the file LICENSE, and is | | ||
| 10 | | available through the world-wide-web at the following url: | | ||
| 11 | | http://www.php.net/license/3_01.txt | | ||
| 12 | | If you did not receive a copy of the PHP license and are unable to | | ||
| 13 | | obtain it through the world-wide-web, please send a note to | | ||
| 14 | | license@php.net so we can mail you a copy immediately. | | ||
| 15 | +----------------------------------------------------------------------+ | ||
| 16 | | Authors: Stefan Esser <sesser@sektioneins.de> | | ||
| 17 | | Ben Fuhrmannek <ben.fuhrmannek@sektioneins.de> | | ||
| 18 | +----------------------------------------------------------------------+ | ||
| 19 | */ | ||
| 20 | |||
| 21 | #ifdef HAVE_CONFIG_H | ||
| 22 | #include "config.h" | ||
| 23 | #endif | ||
| 24 | |||
| 25 | #include "php.h" | ||
| 26 | #include "TSRM.h" | ||
| 27 | #include "php_suhosin.h" | ||
| 28 | #include "ext/standard/base64.h" | ||
| 29 | #include "sha256.h" | ||
| 30 | |||
| 31 | static void suhosin_get_ipv4(char *buf TSRMLS_DC) | ||
| 32 | { | ||
| 33 | char *raddr = suhosin_getenv("REMOTE_ADDR", sizeof("REMOTE_ADDR")-1 TSRMLS_CC); | ||
| 34 | int i; | ||
| 35 | |||
| 36 | |||
| 37 | if (raddr == NULL) { | ||
| 38 | memset(buf, 0, 4); | ||
| 39 | return; | ||
| 40 | } | ||
| 41 | |||
| 42 | for (i=0; i<4; i++) { | ||
| 43 | if (raddr[0] == 0) { | ||
| 44 | buf[i] = 0; | ||
| 45 | } else { | ||
| 46 | buf[i] = strtol(raddr, &raddr, 10); | ||
| 47 | if (raddr[0] == '.') { | ||
| 48 | raddr++; | ||
| 49 | } | ||
| 50 | } | ||
| 51 | } | ||
| 52 | } | ||
| 53 | |||
| 54 | char *suhosin_encrypt_string(char *str, int len, char *var, int vlen, char *key TSRMLS_DC) | ||
| 55 | { | ||
| 56 | int padded_len, i, slen; | ||
| 57 | unsigned char *crypted, *tmp; | ||
| 58 | unsigned int check = 0x13579BDF; | ||
| 59 | |||
| 60 | if (str == NULL) { | ||
| 61 | return NULL; | ||
| 62 | } | ||
| 63 | if (len == 0) { | ||
| 64 | return estrndup("", 0); | ||
| 65 | } | ||
| 66 | |||
| 67 | |||
| 68 | suhosin_aes_gkey(4,8,key TSRMLS_CC); | ||
| 69 | |||
| 70 | padded_len = ((len+15) & ~0xF); | ||
| 71 | crypted = emalloc(16+padded_len+1); | ||
| 72 | memset(crypted, 0xff, 16+padded_len+1); | ||
| 73 | memcpy(crypted+16, str, len+1); | ||
| 74 | |||
| 75 | /* calculate check value */ | ||
| 76 | for (i = 0; i<vlen; i++) { | ||
| 77 | check = (check << 3) | (check >> (32-3)); | ||
| 78 | check += check << 1; | ||
| 79 | check ^= (unsigned char)var[i]; | ||
| 80 | } | ||
| 81 | for (i = 0; i<len; i++) { | ||
| 82 | check = (check << 3) | (check >> (32-3)); | ||
| 83 | check += check << 1; | ||
| 84 | check ^= (unsigned char)str[i]; | ||
| 85 | } | ||
| 86 | |||
| 87 | /* store ip value */ | ||
| 88 | suhosin_get_ipv4((char *)crypted+4 TSRMLS_CC); | ||
| 89 | |||
| 90 | /* store check value */ | ||
| 91 | crypted[8] = check & 0xff; | ||
| 92 | crypted[9] = (check >> 8) & 0xff; | ||
| 93 | crypted[10] = (check >> 16) & 0xff; | ||
| 94 | crypted[11] = (check >> 24) & 0xff; | ||
| 95 | |||
| 96 | /* store original length */ | ||
| 97 | crypted[12] = len & 0xff; | ||
| 98 | crypted[13] = (len >> 8) & 0xff; | ||
| 99 | crypted[14] = (len >> 16) & 0xff; | ||
| 100 | crypted[15] = (len >> 24) & 0xff; | ||
| 101 | |||
| 102 | for (i=0, tmp=crypted; i<padded_len+16; i+=16, tmp+=16) { | ||
| 103 | if (i > 0) { | ||
| 104 | int j; | ||
| 105 | for (j=0; j<16; j++) tmp[j] ^= tmp[j-16]; | ||
| 106 | } | ||
| 107 | suhosin_aes_encrypt((char *)tmp TSRMLS_CC); | ||
| 108 | } | ||
| 109 | |||
| 110 | tmp = php_base64_encode(crypted, padded_len+16, NULL); | ||
| 111 | efree(crypted); | ||
| 112 | slen=strlen((char *)tmp); | ||
| 113 | for (i=0; i<slen; i++) { | ||
| 114 | switch (tmp[i]) { | ||
| 115 | case '/': tmp[i]='-'; break; | ||
| 116 | case '=': tmp[i]='.'; break; | ||
| 117 | case '+': tmp[i]='_'; break; | ||
| 118 | } | ||
| 119 | } | ||
| 120 | return (char *)tmp; | ||
| 121 | } | ||
| 122 | |||
| 123 | char *suhosin_decrypt_string(char *str, int padded_len, char *var, int vlen, char *key, int *orig_len, int check_ra TSRMLS_DC) | ||
| 124 | { | ||
| 125 | int len, i, o_len, invalid = 0; | ||
| 126 | unsigned char *decrypted, *tmp; | ||
| 127 | unsigned int check = 0x13579BDF; | ||
| 128 | char buf[4]; | ||
| 129 | |||
| 130 | if (str == NULL) { | ||
| 131 | return NULL; | ||
| 132 | } | ||
| 133 | |||
| 134 | if (padded_len == 0) { | ||
| 135 | if (orig_len) { | ||
| 136 | *orig_len = 0; | ||
| 137 | } | ||
| 138 | return estrndup("", 0); | ||
| 139 | } | ||
| 140 | suhosin_aes_gkey(4,8,key TSRMLS_CC); | ||
| 141 | |||
| 142 | for (i=0; i<padded_len; i++) { | ||
| 143 | switch (str[i]) { | ||
| 144 | case '-': str[i]='/'; break; | ||
| 145 | case '.': str[i]='='; break; | ||
| 146 | case '_': str[i]='+'; break; | ||
| 147 | } | ||
| 148 | } | ||
| 149 | |||
| 150 | decrypted = php_base64_decode((unsigned char *)str, padded_len, &len); | ||
| 151 | if (decrypted == NULL || len < 2*16 || (len % 16) != 0) { | ||
| 152 | error_out: | ||
| 153 | if (decrypted != NULL) { | ||
| 154 | efree(decrypted); | ||
| 155 | } | ||
| 156 | if (orig_len) { | ||
| 157 | *orig_len = 0; | ||
| 158 | } | ||
| 159 | return NULL; | ||
| 160 | } | ||
| 161 | |||
| 162 | for (i=len-16, tmp=decrypted+i; i>=0; i-=16, tmp-=16) { | ||
| 163 | suhosin_aes_decrypt((char *)tmp TSRMLS_CC); | ||
| 164 | if (i > 0) { | ||
| 165 | int j; | ||
| 166 | for (j=0; j<16; j++) tmp[j] ^= tmp[j-16]; | ||
| 167 | } | ||
| 168 | } | ||
| 169 | |||
| 170 | /* retrieve orig_len */ | ||
| 171 | o_len = decrypted[15]; | ||
| 172 | o_len <<= 8; | ||
| 173 | o_len |= decrypted[14]; | ||
| 174 | o_len <<= 8; | ||
| 175 | o_len |= decrypted[13]; | ||
| 176 | o_len <<= 8; | ||
| 177 | o_len |= decrypted[12]; | ||
| 178 | |||
| 179 | if (o_len < 0 || o_len > len-16) { | ||
| 180 | goto error_out; | ||
| 181 | } | ||
| 182 | |||
| 183 | /* calculate check value */ | ||
| 184 | for (i = 0; i<vlen; i++) { | ||
| 185 | check = (check << 3) | (check >> (32-3)); | ||
| 186 | check += check << 1; | ||
| 187 | check ^= (unsigned char)var[i]; | ||
| 188 | } | ||
| 189 | for (i = 0; i<o_len; i++) { | ||
| 190 | check = (check << 3) | (check >> (32-3)); | ||
| 191 | check += check << 1; | ||
| 192 | check ^= decrypted[16+i]; | ||
| 193 | } | ||
| 194 | |||
| 195 | /* check value */ | ||
| 196 | invalid = (decrypted[8] != (check & 0xff)) || | ||
| 197 | (decrypted[9] != ((check >> 8) & 0xff)) || | ||
| 198 | (decrypted[10] != ((check >> 16) & 0xff)) || | ||
| 199 | (decrypted[11] != ((check >> 24) & 0xff)); | ||
| 200 | |||
| 201 | /* check IP */ | ||
| 202 | if (check_ra > 0) { | ||
| 203 | if (check_ra > 4) { | ||
| 204 | check_ra = 4; | ||
| 205 | } | ||
| 206 | suhosin_get_ipv4(&buf[0] TSRMLS_CC); | ||
| 207 | if (memcmp(buf, decrypted+4, check_ra) != 0) { | ||
| 208 | goto error_out; | ||
| 209 | } | ||
| 210 | } | ||
| 211 | |||
| 212 | if (invalid) { | ||
| 213 | goto error_out; | ||
| 214 | } | ||
| 215 | |||
| 216 | if (orig_len) { | ||
| 217 | *orig_len = o_len; | ||
| 218 | } | ||
| 219 | |||
| 220 | memmove(decrypted, decrypted+16, o_len); | ||
| 221 | decrypted[o_len] = 0; | ||
| 222 | /* we do not realloc() here because 16 byte less | ||
| 223 | is simply not worth the overhead */ | ||
| 224 | return (char *)decrypted; | ||
| 225 | } | ||
| 226 | |||
| 227 | char *suhosin_generate_key(char *key, zend_bool ua, zend_bool dr, long raddr, char *cryptkey TSRMLS_DC) | ||
| 228 | { | ||
| 229 | char *_ua = NULL; | ||
| 230 | char *_dr = NULL; | ||
| 231 | char *_ra = NULL; | ||
| 232 | suhosin_SHA256_CTX ctx; | ||
| 233 | |||
| 234 | if (ua) { | ||
| 235 | _ua = suhosin_getenv("HTTP_USER_AGENT", sizeof("HTTP_USER_AGENT")-1 TSRMLS_CC); | ||
| 236 | } | ||
| 237 | |||
| 238 | if (dr) { | ||
| 239 | _dr = suhosin_getenv("DOCUMENT_ROOT", sizeof("DOCUMENT_ROOT")-1 TSRMLS_CC); | ||
| 240 | } | ||
| 241 | |||
| 242 | if (raddr > 0) { | ||
| 243 | _ra = suhosin_getenv("REMOTE_ADDR", sizeof("REMOTE_ADDR")-1 TSRMLS_CC); | ||
| 244 | } | ||
| 245 | |||
| 246 | SDEBUG("(suhosin_generate_key) KEY: %s - UA: %s - DR: %s - RA: %s", key,_ua,_dr,_ra); | ||
| 247 | |||
| 248 | suhosin_SHA256Init(&ctx); | ||
| 249 | if (key == NULL || *key == 0) { | ||
| 250 | suhosin_SHA256Update(&ctx, (unsigned char*)"D3F4UL7", strlen("D3F4UL7")); | ||
| 251 | } else { | ||
| 252 | suhosin_SHA256Update(&ctx, (unsigned char*)key, strlen(key)); | ||
| 253 | } | ||
| 254 | if (_ua) { | ||
| 255 | suhosin_SHA256Update(&ctx, (unsigned char*)_ua, strlen(_ua)); | ||
| 256 | } | ||
| 257 | if (_dr) { | ||
| 258 | suhosin_SHA256Update(&ctx, (unsigned char*)_dr, strlen(_dr)); | ||
| 259 | } | ||
| 260 | if (_ra) { | ||
| 261 | if (raddr >= 4) { | ||
| 262 | suhosin_SHA256Update(&ctx, (unsigned char*)_ra, strlen(_ra)); | ||
| 263 | } else { | ||
| 264 | long dots = 0; | ||
| 265 | char *tmp = _ra; | ||
| 266 | |||
| 267 | while (*tmp) { | ||
| 268 | if (*tmp == '.') { | ||
| 269 | dots++; | ||
| 270 | if (dots == raddr) { | ||
| 271 | break; | ||
| 272 | } | ||
| 273 | } | ||
| 274 | tmp++; | ||
| 275 | } | ||
| 276 | suhosin_SHA256Update(&ctx, (unsigned char*)_ra, tmp-_ra); | ||
| 277 | } | ||
| 278 | } | ||
| 279 | suhosin_SHA256Final((unsigned char *)cryptkey, &ctx); | ||
| 280 | cryptkey[32] = 0; /* uhmm... not really a string */ | ||
| 281 | |||
| 282 | return cryptkey; | ||
| 283 | } | ||
| @@ -1,19 +1,20 @@ | |||
| 1 | /* | 1 | /* |
| 2 | +----------------------------------------------------------------------+ | 2 | +----------------------------------------------------------------------+ |
| 3 | | Suhosin Version 1 | | 3 | | Suhosin Version 1 | |
| 4 | +----------------------------------------------------------------------+ | 4 | +----------------------------------------------------------------------+ |
| 5 | | Copyright (c) 2006-2007 The Hardened-PHP Project | | 5 | | Copyright (c) 2006-2007 The Hardened-PHP Project | |
| 6 | | Copyright (c) 2007-2014 SektionEins GmbH | | 6 | | Copyright (c) 2007-2014 SektionEins GmbH | |
| 7 | +----------------------------------------------------------------------+ | 7 | +----------------------------------------------------------------------+ |
| 8 | | This source file is subject to version 3.01 of the PHP license, | | 8 | | This source file is subject to version 3.01 of the PHP license, | |
| 9 | | that is bundled with this package in the file LICENSE, and is | | 9 | | that is bundled with this package in the file LICENSE, and is | |
| 10 | | available through the world-wide-web at the following url: | | 10 | | available through the world-wide-web at the following url: | |
| 11 | | http://www.php.net/license/3_01.txt | | 11 | | http://www.php.net/license/3_01.txt | |
| 12 | | If you did not receive a copy of the PHP license and are unable to | | 12 | | If you did not receive a copy of the PHP license and are unable to | |
| 13 | | obtain it through the world-wide-web, please send a note to | | 13 | | obtain it through the world-wide-web, please send a note to | |
| 14 | | license@php.net so we can mail you a copy immediately. | | 14 | | license@php.net so we can mail you a copy immediately. | |
| 15 | +----------------------------------------------------------------------+ | 15 | +----------------------------------------------------------------------+ |
| 16 | | Author: Stefan Esser <sesser@sektioneins.de> | | 16 | | Authors: Stefan Esser <sesser@sektioneins.de> | |
| 17 | | Ben Fuhrmannek <ben.fuhrmannek@sektioneins.de> | | ||
| 17 | +----------------------------------------------------------------------+ | 18 | +----------------------------------------------------------------------+ |
| 18 | */ | 19 | */ |
| 19 | /* | 20 | /* |
| @@ -29,10 +30,8 @@ | |||
| 29 | #include "SAPI.h" | 30 | #include "SAPI.h" |
| 30 | #include "php_ini.h" | 31 | #include "php_ini.h" |
| 31 | #include "php_suhosin.h" | 32 | #include "php_suhosin.h" |
| 32 | #include "ext/standard/base64.h" | ||
| 33 | #include "ext/standard/php_smart_str.h" | 33 | #include "ext/standard/php_smart_str.h" |
| 34 | #include "ext/standard/php_var.h" | 34 | #include "ext/standard/php_var.h" |
| 35 | #include "sha256.h" | ||
| 36 | 35 | ||
| 37 | #include <fcntl.h> | 36 | #include <fcntl.h> |
| 38 | 37 | ||
| @@ -40,481 +39,19 @@ | |||
| 40 | # include "ext/hash/php_hash.h" | 39 | # include "ext/hash/php_hash.h" |
| 41 | #endif | 40 | #endif |
| 42 | 41 | ||
| 43 | #define PS_OPEN_ARGS void **mod_data, const char *save_path, const char *session_name TSRMLS_DC | 42 | #ifdef HAVE_PHP_SESSION |
| 44 | #define PS_CLOSE_ARGS void **mod_data TSRMLS_DC | 43 | #include "ext/session/php_session.h" |
| 45 | #define PS_READ_ARGS void **mod_data, const char *key, char **val, int *vallen TSRMLS_DC | ||
| 46 | #define PS_WRITE_ARGS void **mod_data, const char *key, const char *val, const int vallen TSRMLS_DC | ||
| 47 | #define PS_DESTROY_ARGS void **mod_data, const char *key TSRMLS_DC | ||
| 48 | #define PS_GC_ARGS void **mod_data, int maxlifetime, int *nrdels TSRMLS_DC | ||
| 49 | #define PS_CREATE_SID_ARGS void **mod_data, int *newlen TSRMLS_DC | ||
| 50 | |||
| 51 | typedef struct ps_module_struct { | ||
| 52 | const char *s_name; | ||
| 53 | int (*s_open)(PS_OPEN_ARGS); | ||
| 54 | int (*s_close)(PS_CLOSE_ARGS); | ||
| 55 | int (*s_read)(PS_READ_ARGS); | ||
| 56 | int (*s_write)(PS_WRITE_ARGS); | ||
| 57 | int (*s_destroy)(PS_DESTROY_ARGS); | ||
| 58 | int (*s_gc)(PS_GC_ARGS); | ||
| 59 | char *(*s_create_sid)(PS_CREATE_SID_ARGS); | ||
| 60 | } ps_module; | ||
| 61 | |||
| 62 | typedef enum { | ||
| 63 | php_session_disabled, | ||
| 64 | php_session_none, | ||
| 65 | php_session_active | ||
| 66 | } php_session_status; | ||
| 67 | |||
| 68 | #define PS_SERIALIZER_ENCODE_ARGS char **newstr, int *newlen TSRMLS_DC | ||
| 69 | #define PS_SERIALIZER_DECODE_ARGS const char *val, int vallen TSRMLS_DC | ||
| 70 | |||
| 71 | typedef struct ps_serializer_struct { | ||
| 72 | const char *name; | ||
| 73 | int (*encode)(PS_SERIALIZER_ENCODE_ARGS); | ||
| 74 | int (*decode)(PS_SERIALIZER_DECODE_ARGS); | ||
| 75 | } ps_serializer; | ||
| 76 | |||
| 77 | typedef struct _php_ps_globals_43_44 { | ||
| 78 | char *save_path; | ||
| 79 | char *session_name; | ||
| 80 | char *id; | ||
| 81 | char *extern_referer_chk; | ||
| 82 | char *entropy_file; | ||
| 83 | char *cache_limiter; | ||
| 84 | long entropy_length; | ||
| 85 | long cookie_lifetime; | ||
| 86 | char *cookie_path; | ||
| 87 | char *cookie_domain; | ||
| 88 | zend_bool cookie_secure; | ||
| 89 | ps_module *mod; | ||
| 90 | void *mod_data; | ||
| 91 | php_session_status session_status; | ||
| 92 | long gc_probability; | ||
| 93 | long gc_divisor; | ||
| 94 | long gc_maxlifetime; | ||
| 95 | int module_number; | ||
| 96 | long cache_expire; | ||
| 97 | zend_bool bug_compat; /* Whether to behave like PHP 4.2 and earlier */ | ||
| 98 | zend_bool bug_compat_warn; /* Whether to warn about it */ | ||
| 99 | const struct ps_serializer_struct *serializer; | ||
| 100 | zval *http_session_vars; | ||
| 101 | zend_bool auto_start; | ||
| 102 | zend_bool use_cookies; | ||
| 103 | zend_bool use_only_cookies; | ||
| 104 | zend_bool use_trans_sid; /* contains the INI value of whether to use trans-sid */ | ||
| 105 | zend_bool apply_trans_sid; /* whether or not to enable trans-sid for the current request */ | ||
| 106 | int send_cookie; | ||
| 107 | int define_sid; | ||
| 108 | } php_ps_globals_43_44; | ||
| 109 | |||
| 110 | typedef struct _php_ps_globals_50_51 { | ||
| 111 | char *save_path; | ||
| 112 | char *session_name; | ||
| 113 | char *id; | ||
| 114 | char *extern_referer_chk; | ||
| 115 | char *entropy_file; | ||
| 116 | char *cache_limiter; | ||
| 117 | long entropy_length; | ||
| 118 | long cookie_lifetime; | ||
| 119 | char *cookie_path; | ||
| 120 | char *cookie_domain; | ||
| 121 | zend_bool cookie_secure; | ||
| 122 | ps_module *mod; | ||
| 123 | void *mod_data; | ||
| 124 | php_session_status session_status; | ||
| 125 | long gc_probability; | ||
| 126 | long gc_divisor; | ||
| 127 | long gc_maxlifetime; | ||
| 128 | int module_number; | ||
| 129 | long cache_expire; | ||
| 130 | zend_bool bug_compat; /* Whether to behave like PHP 4.2 and earlier */ | ||
| 131 | zend_bool bug_compat_warn; /* Whether to warn about it */ | ||
| 132 | const struct ps_serializer_struct *serializer; | ||
| 133 | zval *http_session_vars; | ||
| 134 | zend_bool auto_start; | ||
| 135 | zend_bool use_cookies; | ||
| 136 | zend_bool use_only_cookies; | ||
| 137 | zend_bool use_trans_sid; /* contains the INI value of whether to use trans-sid */ | ||
| 138 | zend_bool apply_trans_sid; /* whether or not to enable trans-sid for the current request */ | ||
| 139 | |||
| 140 | long hash_func; | ||
| 141 | long hash_bits_per_character; | ||
| 142 | int send_cookie; | ||
| 143 | int define_sid; | ||
| 144 | } php_ps_globals_50_51; | ||
| 145 | |||
| 146 | typedef struct _php_ps_globals_52 { | ||
| 147 | char *save_path; | ||
| 148 | char *session_name; | ||
| 149 | char *id; | ||
| 150 | char *extern_referer_chk; | ||
| 151 | char *entropy_file; | ||
| 152 | char *cache_limiter; | ||
| 153 | long entropy_length; | ||
| 154 | long cookie_lifetime; | ||
| 155 | char *cookie_path; | ||
| 156 | char *cookie_domain; | ||
| 157 | zend_bool cookie_secure; | ||
| 158 | zend_bool cookie_httponly; | ||
| 159 | ps_module *mod; | ||
| 160 | void *mod_data; | ||
| 161 | php_session_status session_status; | ||
| 162 | long gc_probability; | ||
| 163 | long gc_divisor; | ||
| 164 | long gc_maxlifetime; | ||
| 165 | int module_number; | ||
| 166 | long cache_expire; | ||
| 167 | zend_bool bug_compat; /* Whether to behave like PHP 4.2 and earlier */ | ||
| 168 | zend_bool bug_compat_warn; /* Whether to warn about it */ | ||
| 169 | const struct ps_serializer_struct *serializer; | ||
| 170 | zval *http_session_vars; | ||
| 171 | zend_bool auto_start; | ||
| 172 | zend_bool use_cookies; | ||
| 173 | zend_bool use_only_cookies; | ||
| 174 | zend_bool use_trans_sid; /* contains the INI value of whether to use trans-sid */ | ||
| 175 | zend_bool apply_trans_sid; /* whether or not to enable trans-sid for the current request */ | ||
| 176 | |||
| 177 | long hash_func; | ||
| 178 | long hash_bits_per_character; | ||
| 179 | int send_cookie; | ||
| 180 | int define_sid; | ||
| 181 | zend_bool invalid_session_id; /* allows the driver to report about an invalid session id and request id regeneration */ | ||
| 182 | } php_ps_globals_52; | ||
| 183 | |||
| 184 | typedef struct _php_ps_globals_53 { | ||
| 185 | char *save_path; | ||
| 186 | char *session_name; | ||
| 187 | char *id; | ||
| 188 | char *extern_referer_chk; | ||
| 189 | char *entropy_file; | ||
| 190 | char *cache_limiter; | ||
| 191 | long entropy_length; | ||
| 192 | long cookie_lifetime; | ||
| 193 | char *cookie_path; | ||
| 194 | char *cookie_domain; | ||
| 195 | zend_bool cookie_secure; | ||
| 196 | zend_bool cookie_httponly; | ||
| 197 | ps_module *mod; | ||
| 198 | void *mod_data; | ||
| 199 | php_session_status session_status; | ||
| 200 | long gc_probability; | ||
| 201 | long gc_divisor; | ||
| 202 | long gc_maxlifetime; | ||
| 203 | int module_number; | ||
| 204 | long cache_expire; | ||
| 205 | union { | ||
| 206 | zval *names[6]; | ||
| 207 | struct { | ||
| 208 | zval *ps_open; | ||
| 209 | zval *ps_close; | ||
| 210 | zval *ps_read; | ||
| 211 | zval *ps_write; | ||
| 212 | zval *ps_destroy; | ||
| 213 | zval *ps_gc; | ||
| 214 | } name; | ||
| 215 | } mod_user_names; | ||
| 216 | zend_bool bug_compat; /* Whether to behave like PHP 4.2 and earlier */ | ||
| 217 | zend_bool bug_compat_warn; /* Whether to warn about it */ | ||
| 218 | const struct ps_serializer_struct *serializer; | ||
| 219 | zval *http_session_vars; | ||
| 220 | zend_bool auto_start; | ||
| 221 | zend_bool use_cookies; | ||
| 222 | zend_bool use_only_cookies; | ||
| 223 | zend_bool use_trans_sid; /* contains the INI value of whether to use trans-sid */ | ||
| 224 | zend_bool apply_trans_sid; /* whether or not to enable trans-sid for the current request */ | ||
| 225 | |||
| 226 | long hash_func; | ||
| 227 | #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH) | ||
| 228 | php_hash_ops *hash_ops; | ||
| 229 | #endif | ||
| 230 | long hash_bits_per_character; | ||
| 231 | int send_cookie; | ||
| 232 | int define_sid; | ||
| 233 | zend_bool invalid_session_id; /* allows the driver to report about an invalid session id and request id regeneration */ | ||
| 234 | } php_ps_globals_53; | ||
| 235 | |||
| 236 | #if PHP_VERSION_ID >= 50400 | ||
| 237 | typedef struct _php_session_rfc1867_progress_54_55_56 { | ||
| 238 | |||
| 239 | size_t sname_len; | ||
| 240 | zval sid; | ||
| 241 | smart_str key; | ||
| 242 | |||
| 243 | long update_step; | ||
| 244 | long next_update; | ||
| 245 | double next_update_time; | ||
| 246 | zend_bool cancel_upload; | ||
| 247 | zend_bool apply_trans_sid; | ||
| 248 | size_t content_length; | ||
| 249 | |||
| 250 | zval *data; /* the array exported to session data */ | ||
| 251 | zval *post_bytes_processed; /* data["bytes_processed"] */ | ||
| 252 | zval *files; /* data["files"] array */ | ||
| 253 | zval *current_file; /* array of currently uploading file */ | ||
| 254 | zval *current_file_bytes_processed; | ||
| 255 | } php_session_rfc1867_progress_54_55_56; | ||
| 256 | |||
| 257 | typedef struct _php_ps_globals_54 { | ||
| 258 | char *save_path; | ||
| 259 | char *session_name; | ||
| 260 | char *id; | ||
| 261 | char *extern_referer_chk; | ||
| 262 | char *entropy_file; | ||
| 263 | char *cache_limiter; | ||
| 264 | long entropy_length; | ||
| 265 | long cookie_lifetime; | ||
| 266 | char *cookie_path; | ||
| 267 | char *cookie_domain; | ||
| 268 | zend_bool cookie_secure; | ||
| 269 | zend_bool cookie_httponly; | ||
| 270 | ps_module *mod; | ||
| 271 | ps_module *default_mod; | ||
| 272 | void *mod_data; | ||
| 273 | php_session_status session_status; | ||
| 274 | long gc_probability; | ||
| 275 | long gc_divisor; | ||
| 276 | long gc_maxlifetime; | ||
| 277 | int module_number; | ||
| 278 | long cache_expire; | ||
| 279 | union { | ||
| 280 | zval *names[6]; | ||
| 281 | struct { | ||
| 282 | zval *ps_open; | ||
| 283 | zval *ps_close; | ||
| 284 | zval *ps_read; | ||
| 285 | zval *ps_write; | ||
| 286 | zval *ps_destroy; | ||
| 287 | zval *ps_gc; | ||
| 288 | } name; | ||
| 289 | } mod_user_names; | ||
| 290 | int mod_user_implemented; | ||
| 291 | int mod_user_is_open; | ||
| 292 | const struct ps_serializer_struct *serializer; | ||
| 293 | zval *http_session_vars; | ||
| 294 | zend_bool auto_start; | ||
| 295 | zend_bool use_cookies; | ||
| 296 | zend_bool use_only_cookies; | ||
| 297 | zend_bool use_trans_sid; /* contains the INI value of whether to use trans-sid */ | ||
| 298 | zend_bool apply_trans_sid; /* whether or not to enable trans-sid for the current request */ | ||
| 299 | |||
| 300 | long hash_func; | ||
| 301 | #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH) | ||
| 302 | php_hash_ops *hash_ops; | ||
| 303 | #endif | ||
| 304 | long hash_bits_per_character; | ||
| 305 | int send_cookie; | ||
| 306 | int define_sid; | ||
| 307 | zend_bool invalid_session_id; /* allows the driver to report about an invalid session id and request id regeneration */ | ||
| 308 | |||
| 309 | php_session_rfc1867_progress_54_55_56 *rfc1867_progress; | ||
| 310 | zend_bool rfc1867_enabled; /* session.upload_progress.enabled */ | ||
| 311 | zend_bool rfc1867_cleanup; /* session.upload_progress.cleanup */ | ||
| 312 | smart_str rfc1867_prefix; /* session.upload_progress.prefix */ | ||
| 313 | smart_str rfc1867_name; /* session.upload_progress.name */ | ||
| 314 | long rfc1867_freq; /* session.upload_progress.freq */ | ||
| 315 | double rfc1867_min_freq; /* session.upload_progress.min_freq */ | ||
| 316 | } php_ps_globals_54; | ||
| 317 | #endif | ||
| 318 | |||
| 319 | #if PHP_VERSION_ID >= 50500 | ||
| 320 | typedef struct _php_ps_globals_55 { | ||
| 321 | char *save_path; | ||
| 322 | char *session_name; | ||
| 323 | char *id; | ||
| 324 | char *extern_referer_chk; | ||
| 325 | char *entropy_file; | ||
| 326 | char *cache_limiter; | ||
| 327 | long entropy_length; | ||
| 328 | long cookie_lifetime; | ||
| 329 | char *cookie_path; | ||
| 330 | char *cookie_domain; | ||
| 331 | zend_bool cookie_secure; | ||
| 332 | zend_bool cookie_httponly; | ||
| 333 | ps_module *mod; | ||
| 334 | ps_module *default_mod; | ||
| 335 | void *mod_data; | ||
| 336 | php_session_status session_status; | ||
| 337 | long gc_probability; | ||
| 338 | long gc_divisor; | ||
| 339 | long gc_maxlifetime; | ||
| 340 | int module_number; | ||
| 341 | long cache_expire; | ||
| 342 | union { | ||
| 343 | zval *names[7]; | ||
| 344 | struct { | ||
| 345 | zval *ps_open; | ||
| 346 | zval *ps_close; | ||
| 347 | zval *ps_read; | ||
| 348 | zval *ps_write; | ||
| 349 | zval *ps_destroy; | ||
| 350 | zval *ps_gc; | ||
| 351 | zval *ps_create_sid; | ||
| 352 | } name; | ||
| 353 | } mod_user_names; | ||
| 354 | int mod_user_implemented; | ||
| 355 | int mod_user_is_open; | ||
| 356 | const struct ps_serializer_struct *serializer; | ||
| 357 | zval *http_session_vars; | ||
| 358 | zend_bool auto_start; | ||
| 359 | zend_bool use_cookies; | ||
| 360 | zend_bool use_only_cookies; | ||
| 361 | zend_bool use_trans_sid; /* contains the INI value of whether to use trans-sid */ | ||
| 362 | zend_bool apply_trans_sid; /* whether or not to enable trans-sid for the current request */ | ||
| 363 | |||
| 364 | long hash_func; | ||
| 365 | #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH) | ||
| 366 | php_hash_ops *hash_ops; | ||
| 367 | #endif | ||
| 368 | long hash_bits_per_character; | ||
| 369 | int send_cookie; | ||
| 370 | int define_sid; | ||
| 371 | zend_bool invalid_session_id; /* allows the driver to report about an invalid session id and request id regeneration */ | ||
| 372 | |||
| 373 | php_session_rfc1867_progress_54_55_56 *rfc1867_progress; | ||
| 374 | zend_bool rfc1867_enabled; /* session.upload_progress.enabled */ | ||
| 375 | zend_bool rfc1867_cleanup; /* session.upload_progress.cleanup */ | ||
| 376 | smart_str rfc1867_prefix; /* session.upload_progress.prefix */ | ||
| 377 | smart_str rfc1867_name; /* session.upload_progress.name */ | ||
| 378 | long rfc1867_freq; /* session.upload_progress.freq */ | ||
| 379 | double rfc1867_min_freq; /* session.upload_progress.min_freq */ | ||
| 380 | |||
| 381 | zend_bool use_strict_mode; /* whether or not PHP accepts unknown session ids */ | ||
| 382 | } php_ps_globals_55; | ||
| 383 | |||
| 384 | typedef struct _php_ps_globals_56 { | ||
| 385 | char *save_path; | ||
| 386 | char *session_name; | ||
| 387 | char *id; | ||
| 388 | char *extern_referer_chk; | ||
| 389 | char *entropy_file; | ||
| 390 | char *cache_limiter; | ||
| 391 | long entropy_length; | ||
| 392 | long cookie_lifetime; | ||
| 393 | char *cookie_path; | ||
| 394 | char *cookie_domain; | ||
| 395 | zend_bool cookie_secure; | ||
| 396 | zend_bool cookie_httponly; | ||
| 397 | ps_module *mod; | ||
| 398 | ps_module *default_mod; | ||
| 399 | void *mod_data; | ||
| 400 | php_session_status session_status; | ||
| 401 | long gc_probability; | ||
| 402 | long gc_divisor; | ||
| 403 | long gc_maxlifetime; | ||
| 404 | int module_number; | ||
| 405 | long cache_expire; | ||
| 406 | union { | ||
| 407 | zval *names[7]; | ||
| 408 | struct { | ||
| 409 | zval *ps_open; | ||
| 410 | zval *ps_close; | ||
| 411 | zval *ps_read; | ||
| 412 | zval *ps_write; | ||
| 413 | zval *ps_destroy; | ||
| 414 | zval *ps_gc; | ||
| 415 | zval *ps_create_sid; | ||
| 416 | } name; | ||
| 417 | } mod_user_names; | ||
| 418 | int mod_user_implemented; | ||
| 419 | int mod_user_is_open; | ||
| 420 | const struct ps_serializer_struct *serializer; | ||
| 421 | zval *http_session_vars; | ||
| 422 | zend_bool auto_start; | ||
| 423 | zend_bool use_cookies; | ||
| 424 | zend_bool use_only_cookies; | ||
| 425 | zend_bool use_trans_sid; /* contains the INI value of whether to use trans-sid */ | ||
| 426 | zend_bool apply_trans_sid; /* whether or not to enable trans-sid for the current request */ | ||
| 427 | |||
| 428 | long hash_func; | ||
| 429 | #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH) | ||
| 430 | php_hash_ops *hash_ops; | ||
| 431 | #endif | ||
| 432 | long hash_bits_per_character; | ||
| 433 | int send_cookie; | ||
| 434 | int define_sid; | ||
| 435 | zend_bool invalid_session_id; /* allows the driver to report about an invalid session id and request id regeneration */ | ||
| 436 | |||
| 437 | php_session_rfc1867_progress_54_55_56 *rfc1867_progress; | ||
| 438 | zend_bool rfc1867_enabled; /* session.upload_progress.enabled */ | ||
| 439 | zend_bool rfc1867_cleanup; /* session.upload_progress.cleanup */ | ||
| 440 | smart_str rfc1867_prefix; /* session.upload_progress.prefix */ | ||
| 441 | smart_str rfc1867_name; /* session.upload_progress.name */ | ||
| 442 | long rfc1867_freq; /* session.upload_progress.freq */ | ||
| 443 | double rfc1867_min_freq; /* session.upload_progress.min_freq */ | ||
| 444 | |||
| 445 | zend_bool use_strict_mode; /* whether or not PHP accepts unknown session ids */ | ||
| 446 | unsigned char session_data_hash[16]; /* binary MD5 hash length */ | ||
| 447 | } php_ps_globals_56; | ||
| 448 | #endif | ||
| 449 | 44 | ||
| 450 | #ifdef ZTS | 45 | #ifdef ZTS |
| 451 | static ts_rsrc_id session_globals_id = 0; | 46 | static ts_rsrc_id session_globals_id = 0; |
| 452 | # if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 6) | 47 | #define SESSION_G(v) TSRMG(session_globals_id, php_ps_globals *, v) |
| 453 | # define SESSION_G(v) TSRMG(session_globals_id, php_ps_globals_56 *, v) | ||
| 454 | # elif (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 5) | ||
| 455 | # define SESSION_G(v) TSRMG(session_globals_id, php_ps_globals_55 *, v) | ||
| 456 | # elif (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 4) | ||
| 457 | # define SESSION_G(v) TSRMG(session_globals_id, php_ps_globals_54 *, v) | ||
| 458 | # elif (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 3) | ||
| 459 | # define SESSION_G(v) TSRMG(session_globals_id, php_ps_globals_53 *, v) | ||
| 460 | # elif (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 2) | ||
| 461 | # define SESSION_G(v) TSRMG(session_globals_id, php_ps_globals_52 *, v) | ||
| 462 | # elif (PHP_MAJOR_VERSION == 5) | ||
| 463 | # define SESSION_G(v) TSRMG(session_globals_id, php_ps_globals_50_51 *, v) | ||
| 464 | # elif (PHP_MAJOR_VERSION == 4 && PHP_MINOR_VERSION >= 3) | ||
| 465 | # define SESSION_G(v) TSRMG(session_globals_id, php_ps_globals_43_44 *, v) | ||
| 466 | # else | ||
| 467 | UNSUPPORTED PHP VERSION | ||
| 468 | # endif | ||
| 469 | #else | 48 | #else |
| 470 | # if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 6) | 49 | static php_ps_globals *session_globals = NULL; |
| 471 | static php_ps_globals_56 *session_globals = NULL; | ||
| 472 | # elif (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 5) | ||
| 473 | static php_ps_globals_55 *session_globals = NULL; | ||
| 474 | # elif (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 4) | ||
| 475 | static php_ps_globals_54 *session_globals = NULL; | ||
| 476 | # elif (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 3) | ||
| 477 | static php_ps_globals_53 *session_globals = NULL; | ||
| 478 | # elif (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 2) | ||
| 479 | static php_ps_globals_52 *session_globals = NULL; | ||
| 480 | # elif (PHP_MAJOR_VERSION == 5) | ||
| 481 | static php_ps_globals_50_51 *session_globals = NULL; | ||
| 482 | # elif (PHP_MAJOR_VERSION == 4 && PHP_MINOR_VERSION >= 3) | ||
| 483 | static php_ps_globals_43_44 *session_globals = NULL; | ||
| 484 | # else | ||
| 485 | UNSUPPORTED PHP VERSION | ||
| 486 | # endif | ||
| 487 | #define SESSION_G(v) (session_globals->v) | 50 | #define SESSION_G(v) (session_globals->v) |
| 488 | #endif | 51 | #endif |
| 489 | 52 | ||
| 490 | static ps_module *ps_mod_user = NULL; | ||
| 491 | |||
| 492 | ps_serializer *(*suhosin_find_ps_serializer)(char *name TSRMLS_DC) = NULL; | 53 | ps_serializer *(*suhosin_find_ps_serializer)(char *name TSRMLS_DC) = NULL; |
| 493 | 54 | ||
| 494 | #define PS_ENCODE_VARS \ | ||
| 495 | char *key; \ | ||
| 496 | uint key_length; \ | ||
| 497 | ulong num_key; \ | ||
| 498 | zval **struc; | ||
| 499 | |||
| 500 | #define PS_ENCODE_LOOP(code) do { \ | ||
| 501 | HashTable *_ht = Z_ARRVAL_P(SESSION_G(http_session_vars)); \ | ||
| 502 | int key_type; \ | ||
| 503 | \ | ||
| 504 | for (zend_hash_internal_pointer_reset(_ht); \ | ||
| 505 | (key_type = zend_hash_get_current_key_ex(_ht, &key, &key_length, &num_key, 0, NULL)) != HASH_KEY_NON_EXISTANT; \ | ||
| 506 | zend_hash_move_forward(_ht)) { \ | ||
| 507 | if (key_type == HASH_KEY_IS_LONG) { \ | ||
| 508 | php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Skipping numeric key %ld", num_key); \ | ||
| 509 | continue; \ | ||
| 510 | } \ | ||
| 511 | key_length--; \ | ||
| 512 | if (suhosin_get_session_var(key, key_length, &struc TSRMLS_CC) == SUCCESS) { \ | ||
| 513 | code; \ | ||
| 514 | } \ | ||
| 515 | } \ | ||
| 516 | } while(0) | ||
| 517 | |||
| 518 | static int suhosin_get_session_var(char *name, size_t namelen, zval ***state_var TSRMLS_DC) /* {{{ */ | 55 | static int suhosin_get_session_var(char *name, size_t namelen, zval ***state_var TSRMLS_DC) /* {{{ */ |
| 519 | { | 56 | { |
| 520 | int ret = FAILURE; | 57 | int ret = FAILURE; |
| @@ -599,259 +136,6 @@ static void suhosin_send_cookie(TSRMLS_D) | |||
| 599 | *session_send_cookie = 1; | 136 | *session_send_cookie = 1; |
| 600 | } | 137 | } |
| 601 | 138 | ||
| 602 | void suhosin_get_ipv4(char *buf TSRMLS_DC) | ||
| 603 | { | ||
| 604 | char *raddr = suhosin_getenv("REMOTE_ADDR", sizeof("REMOTE_ADDR")-1 TSRMLS_CC); | ||
| 605 | int i; | ||
| 606 | |||
| 607 | |||
| 608 | if (raddr == NULL) { | ||
| 609 | memset(buf, 0, 4); | ||
| 610 | return; | ||
| 611 | } | ||
| 612 | |||
| 613 | for (i=0; i<4; i++) { | ||
| 614 | if (raddr[0] == 0) { | ||
| 615 | buf[i] = 0; | ||
| 616 | } else { | ||
| 617 | buf[i] = strtol(raddr, &raddr, 10); | ||
| 618 | if (raddr[0] == '.') { | ||
| 619 | raddr++; | ||
| 620 | } | ||
| 621 | } | ||
| 622 | } | ||
| 623 | } | ||
| 624 | |||
| 625 | char *suhosin_encrypt_string(char *str, int len, char *var, int vlen, char *key TSRMLS_DC) | ||
| 626 | { | ||
| 627 | int padded_len, i, slen; | ||
| 628 | unsigned char *crypted, *tmp; | ||
| 629 | unsigned int check = 0x13579BDF; | ||
| 630 | |||
| 631 | if (str == NULL) { | ||
| 632 | return NULL; | ||
| 633 | } | ||
| 634 | if (len == 0) { | ||
| 635 | return estrndup("", 0); | ||
| 636 | } | ||
| 637 | |||
| 638 | |||
| 639 | suhosin_aes_gkey(4,8,key TSRMLS_CC); | ||
| 640 | |||
| 641 | padded_len = ((len+15) & ~0xF); | ||
| 642 | crypted = emalloc(16+padded_len+1); | ||
| 643 | memset(crypted, 0xff, 16+padded_len+1); | ||
| 644 | memcpy(crypted+16, str, len+1); | ||
| 645 | |||
| 646 | /* calculate check value */ | ||
| 647 | for (i = 0; i<vlen; i++) { | ||
| 648 | check = (check << 3) | (check >> (32-3)); | ||
| 649 | check += check << 1; | ||
| 650 | check ^= (unsigned char)var[i]; | ||
| 651 | } | ||
| 652 | for (i = 0; i<len; i++) { | ||
| 653 | check = (check << 3) | (check >> (32-3)); | ||
| 654 | check += check << 1; | ||
| 655 | check ^= (unsigned char)str[i]; | ||
| 656 | } | ||
| 657 | |||
| 658 | /* store ip value */ | ||
| 659 | suhosin_get_ipv4((char *)crypted+4 TSRMLS_CC); | ||
| 660 | |||
| 661 | /* store check value */ | ||
| 662 | crypted[8] = check & 0xff; | ||
| 663 | crypted[9] = (check >> 8) & 0xff; | ||
| 664 | crypted[10] = (check >> 16) & 0xff; | ||
| 665 | crypted[11] = (check >> 24) & 0xff; | ||
| 666 | |||
| 667 | /* store original length */ | ||
| 668 | crypted[12] = len & 0xff; | ||
| 669 | crypted[13] = (len >> 8) & 0xff; | ||
| 670 | crypted[14] = (len >> 16) & 0xff; | ||
| 671 | crypted[15] = (len >> 24) & 0xff; | ||
| 672 | |||
| 673 | for (i=0, tmp=crypted; i<padded_len+16; i+=16, tmp+=16) { | ||
| 674 | if (i > 0) { | ||
| 675 | int j; | ||
| 676 | for (j=0; j<16; j++) tmp[j] ^= tmp[j-16]; | ||
| 677 | } | ||
| 678 | suhosin_aes_encrypt((char *)tmp TSRMLS_CC); | ||
| 679 | } | ||
| 680 | |||
| 681 | tmp = php_base64_encode(crypted, padded_len+16, NULL); | ||
| 682 | efree(crypted); | ||
| 683 | slen=strlen((char *)tmp); | ||
| 684 | for (i=0; i<slen; i++) { | ||
| 685 | switch (tmp[i]) { | ||
| 686 | case '/': tmp[i]='-'; break; | ||
| 687 | case '=': tmp[i]='.'; break; | ||
| 688 | case '+': tmp[i]='_'; break; | ||
| 689 | } | ||
| 690 | } | ||
| 691 | return (char *)tmp; | ||
| 692 | } | ||
| 693 | |||
| 694 | char *suhosin_decrypt_string(char *str, int padded_len, char *var, int vlen, char *key, int *orig_len, int check_ra TSRMLS_DC) | ||
| 695 | { | ||
| 696 | int len, i, o_len, invalid = 0; | ||
| 697 | unsigned char *decrypted, *tmp; | ||
| 698 | unsigned int check = 0x13579BDF; | ||
| 699 | char buf[4]; | ||
| 700 | |||
| 701 | if (str == NULL) { | ||
| 702 | return NULL; | ||
| 703 | } | ||
| 704 | |||
| 705 | if (padded_len == 0) { | ||
| 706 | if (orig_len) { | ||
| 707 | *orig_len = 0; | ||
| 708 | } | ||
| 709 | return estrndup("", 0); | ||
| 710 | } | ||
| 711 | suhosin_aes_gkey(4,8,key TSRMLS_CC); | ||
| 712 | |||
| 713 | for (i=0; i<padded_len; i++) { | ||
| 714 | switch (str[i]) { | ||
| 715 | case '-': str[i]='/'; break; | ||
| 716 | case '.': str[i]='='; break; | ||
| 717 | case '_': str[i]='+'; break; | ||
| 718 | } | ||
| 719 | } | ||
| 720 | |||
| 721 | decrypted = php_base64_decode((unsigned char *)str, padded_len, &len); | ||
| 722 | if (decrypted == NULL || len < 2*16 || (len % 16) != 0) { | ||
| 723 | error_out: | ||
| 724 | if (decrypted != NULL) { | ||
| 725 | efree(decrypted); | ||
| 726 | } | ||
| 727 | if (orig_len) { | ||
| 728 | *orig_len = 0; | ||
| 729 | } | ||
| 730 | return NULL; | ||
| 731 | } | ||
| 732 | |||
| 733 | for (i=len-16, tmp=decrypted+i; i>=0; i-=16, tmp-=16) { | ||
| 734 | suhosin_aes_decrypt((char *)tmp TSRMLS_CC); | ||
| 735 | if (i > 0) { | ||
| 736 | int j; | ||
| 737 | for (j=0; j<16; j++) tmp[j] ^= tmp[j-16]; | ||
| 738 | } | ||
| 739 | } | ||
| 740 | |||
| 741 | /* retrieve orig_len */ | ||
| 742 | o_len = decrypted[15]; | ||
| 743 | o_len <<= 8; | ||
| 744 | o_len |= decrypted[14]; | ||
| 745 | o_len <<= 8; | ||
| 746 | o_len |= decrypted[13]; | ||
| 747 | o_len <<= 8; | ||
| 748 | o_len |= decrypted[12]; | ||
| 749 | |||
| 750 | if (o_len < 0 || o_len > len-16) { | ||
| 751 | goto error_out; | ||
| 752 | } | ||
| 753 | |||
| 754 | /* calculate check value */ | ||
| 755 | for (i = 0; i<vlen; i++) { | ||
| 756 | check = (check << 3) | (check >> (32-3)); | ||
| 757 | check += check << 1; | ||
| 758 | check ^= (unsigned char)var[i]; | ||
| 759 | } | ||
| 760 | for (i = 0; i<o_len; i++) { | ||
| 761 | check = (check << 3) | (check >> (32-3)); | ||
| 762 | check += check << 1; | ||
| 763 | check ^= decrypted[16+i]; | ||
| 764 | } | ||
| 765 | |||
| 766 | /* check value */ | ||
| 767 | invalid = (decrypted[8] != (check & 0xff)) || | ||
| 768 | (decrypted[9] != ((check >> 8) & 0xff)) || | ||
| 769 | (decrypted[10] != ((check >> 16) & 0xff)) || | ||
| 770 | (decrypted[11] != ((check >> 24) & 0xff)); | ||
| 771 | |||
| 772 | /* check IP */ | ||
| 773 | if (check_ra > 0) { | ||
| 774 | if (check_ra > 4) { | ||
| 775 | check_ra = 4; | ||
| 776 | } | ||
| 777 | suhosin_get_ipv4(&buf[0] TSRMLS_CC); | ||
| 778 | if (memcmp(buf, decrypted+4, check_ra) != 0) { | ||
| 779 | goto error_out; | ||
| 780 | } | ||
| 781 | } | ||
| 782 | |||
| 783 | if (invalid) { | ||
| 784 | goto error_out; | ||
| 785 | } | ||
| 786 | |||
| 787 | if (orig_len) { | ||
| 788 | *orig_len = o_len; | ||
| 789 | } | ||
| 790 | |||
| 791 | memmove(decrypted, decrypted+16, o_len); | ||
| 792 | decrypted[o_len] = 0; | ||
| 793 | /* we do not realloc() here because 16 byte less | ||
| 794 | is simply not worth the overhead */ | ||
| 795 | return (char *)decrypted; | ||
| 796 | } | ||
| 797 | |||
| 798 | char *suhosin_generate_key(char *key, zend_bool ua, zend_bool dr, long raddr, char *cryptkey TSRMLS_DC) | ||
| 799 | { | ||
| 800 | char *_ua = NULL; | ||
| 801 | char *_dr = NULL; | ||
| 802 | char *_ra = NULL; | ||
| 803 | suhosin_SHA256_CTX ctx; | ||
| 804 | |||
| 805 | if (ua) { | ||
| 806 | _ua = suhosin_getenv("HTTP_USER_AGENT", sizeof("HTTP_USER_AGENT")-1 TSRMLS_CC); | ||
| 807 | } | ||
| 808 | |||
| 809 | if (dr) { | ||
| 810 | _dr = suhosin_getenv("DOCUMENT_ROOT", sizeof("DOCUMENT_ROOT")-1 TSRMLS_CC); | ||
| 811 | } | ||
| 812 | |||
| 813 | if (raddr > 0) { | ||
| 814 | _ra = suhosin_getenv("REMOTE_ADDR", sizeof("REMOTE_ADDR")-1 TSRMLS_CC); | ||
| 815 | } | ||
| 816 | |||
| 817 | SDEBUG("(suhosin_generate_key) KEY: %s - UA: %s - DR: %s - RA: %s", key,_ua,_dr,_ra); | ||
| 818 | |||
| 819 | suhosin_SHA256Init(&ctx); | ||
| 820 | if (key == NULL || *key == 0) { | ||
| 821 | suhosin_SHA256Update(&ctx, (unsigned char*)"D3F4UL7", strlen("D3F4UL7")); | ||
| 822 | } else { | ||
| 823 | suhosin_SHA256Update(&ctx, (unsigned char*)key, strlen(key)); | ||
| 824 | } | ||
| 825 | if (_ua) { | ||
| 826 | suhosin_SHA256Update(&ctx, (unsigned char*)_ua, strlen(_ua)); | ||
| 827 | } | ||
| 828 | if (_dr) { | ||
| 829 | suhosin_SHA256Update(&ctx, (unsigned char*)_dr, strlen(_dr)); | ||
| 830 | } | ||
| 831 | if (_ra) { | ||
| 832 | if (raddr >= 4) { | ||
| 833 | suhosin_SHA256Update(&ctx, (unsigned char*)_ra, strlen(_ra)); | ||
| 834 | } else { | ||
| 835 | long dots = 0; | ||
| 836 | char *tmp = _ra; | ||
| 837 | |||
| 838 | while (*tmp) { | ||
| 839 | if (*tmp == '.') { | ||
| 840 | dots++; | ||
| 841 | if (dots == raddr) { | ||
| 842 | break; | ||
| 843 | } | ||
| 844 | } | ||
| 845 | tmp++; | ||
| 846 | } | ||
| 847 | suhosin_SHA256Update(&ctx, (unsigned char*)_ra, tmp-_ra); | ||
| 848 | } | ||
| 849 | } | ||
| 850 | suhosin_SHA256Final((unsigned char *)cryptkey, &ctx); | ||
| 851 | cryptkey[32] = 0; /* uhmm... not really a string */ | ||
| 852 | |||
| 853 | return cryptkey; | ||
| 854 | } | ||
| 855 | 139 | ||
| 856 | 140 | ||
| 857 | static int (*old_OnUpdateSaveHandler)(zend_ini_entry *entry, char *new_value, uint new_value_length, void *mh_arg1, void *mh_arg2, void *mh_arg3, int stage TSRMLS_DC) = NULL; | 141 | static int (*old_OnUpdateSaveHandler)(zend_ini_entry *entry, char *new_value, uint new_value_length, void *mh_arg1, void *mh_arg2, void *mh_arg3, int stage TSRMLS_DC) = NULL; |
| @@ -1018,14 +302,14 @@ static void suhosin_hook_session_module(TSRMLS_D) | |||
| 1018 | static PHP_INI_MH(suhosin_OnUpdateSaveHandler) | 302 | static PHP_INI_MH(suhosin_OnUpdateSaveHandler) |
| 1019 | { | 303 | { |
| 1020 | int r; | 304 | int r; |
| 1021 | char *tmp; | ||
| 1022 | 305 | ||
| 1023 | if ((ps_mod_user) && (SUHOSIN_G(s_original_mod) == ps_mod_user) && (strcmp(new_value, "user") == 0)) { | 306 | if (stage == PHP_INI_STAGE_RUNTIME && SESSION_G(session_status) == php_session_none && SUHOSIN_G(s_original_mod) |
| 307 | && strcmp(new_value, "user") == 0 && strcmp(((ps_module*)SUHOSIN_G(s_original_mod))->s_name, "user") == 0) { | ||
| 1024 | return SUCCESS; | 308 | return SUCCESS; |
| 1025 | } | 309 | } |
| 1026 | 310 | ||
| 1027 | SESSION_G(mod) = SUHOSIN_G(s_original_mod); | 311 | SESSION_G(mod) = SUHOSIN_G(s_original_mod); |
| 1028 | 312 | ||
| 1029 | r = old_OnUpdateSaveHandler(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC); | 313 | r = old_OnUpdateSaveHandler(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC); |
| 1030 | 314 | ||
| 1031 | suhosin_hook_session_module(TSRMLS_C); | 315 | suhosin_hook_session_module(TSRMLS_C); |
| @@ -1095,12 +379,6 @@ void suhosin_hook_session(TSRMLS_D) | |||
| 1095 | } | 379 | } |
| 1096 | #endif | 380 | #endif |
| 1097 | #endif | 381 | #endif |
| 1098 | if (ps_mod_user == NULL) { | ||
| 1099 | ps_mod_user = DL_FETCH_SYMBOL(module->handle, "ps_mod_user"); | ||
| 1100 | if (ps_mod_user == NULL) { | ||
| 1101 | ps_mod_user = DL_FETCH_SYMBOL(module->handle, "_ps_mod_user"); | ||
| 1102 | } | ||
| 1103 | } | ||
| 1104 | 382 | ||
| 1105 | if (old_OnUpdateSaveHandler != NULL) { | 383 | if (old_OnUpdateSaveHandler != NULL) { |
| 1106 | return; | 384 | return; |
| @@ -1159,6 +437,21 @@ void suhosin_unhook_session(TSRMLS_D) | |||
| 1159 | 437 | ||
| 1160 | } | 438 | } |
| 1161 | 439 | ||
| 440 | #else /* HAVE_PHP_SESSION */ | ||
| 441 | |||
| 442 | #warning BUILDING SUHOSIN WITHOUT SESSION SUPPORT | ||
| 443 | |||
| 444 | void suhosin_hook_session(TSRMLS_D) | ||
| 445 | { | ||
| 446 | } | ||
| 447 | |||
| 448 | void suhosin_unhook_session(TSRMLS_D) | ||
| 449 | { | ||
| 450 | } | ||
| 451 | |||
| 452 | #endif /* HAVE_PHP_SESSION */ | ||
| 453 | |||
| 454 | |||
| 1162 | /* | 455 | /* |
| 1163 | * Local variables: | 456 | * Local variables: |
| 1164 | * tab-width: 4 | 457 | * tab-width: 4 |
| @@ -871,7 +871,8 @@ PHP_INI_BEGIN() | |||
| 871 | STD_PHP_INI_ENTRY("suhosin.sql.opencomment", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateSQLLong, sql_opencomment, zend_suhosin_globals, suhosin_globals) | 871 | STD_PHP_INI_ENTRY("suhosin.sql.opencomment", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateSQLLong, sql_opencomment, zend_suhosin_globals, suhosin_globals) |
| 872 | STD_PHP_INI_ENTRY("suhosin.sql.multiselect", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateSQLLong, sql_mselect, zend_suhosin_globals, suhosin_globals) | 872 | STD_PHP_INI_ENTRY("suhosin.sql.multiselect", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateSQLLong, sql_mselect, zend_suhosin_globals, suhosin_globals) |
| 873 | STD_PHP_INI_ENTRY("suhosin.sql.union", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateSQLLong, sql_union, zend_suhosin_globals, suhosin_globals) | 873 | STD_PHP_INI_ENTRY("suhosin.sql.union", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateSQLLong, sql_union, zend_suhosin_globals, suhosin_globals) |
| 874 | 874 | ||
| 875 | #ifdef HAVE_PHP_SESSION | ||
| 875 | STD_ZEND_INI_BOOLEAN("suhosin.session.encrypt", "1", ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateBool, session_encrypt, zend_suhosin_globals, suhosin_globals) | 876 | STD_ZEND_INI_BOOLEAN("suhosin.session.encrypt", "1", ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateBool, session_encrypt, zend_suhosin_globals, suhosin_globals) |
| 876 | STD_PHP_INI_ENTRY("suhosin.session.cryptkey", "", PHP_INI_ALL, OnUpdateString, session_cryptkey, zend_suhosin_globals, suhosin_globals) | 877 | STD_PHP_INI_ENTRY("suhosin.session.cryptkey", "", PHP_INI_ALL, OnUpdateString, session_cryptkey, zend_suhosin_globals, suhosin_globals) |
| 877 | STD_ZEND_INI_BOOLEAN("suhosin.session.cryptua", "0", ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateBool, session_cryptua, zend_suhosin_globals, suhosin_globals) | 878 | STD_ZEND_INI_BOOLEAN("suhosin.session.cryptua", "0", ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateBool, session_cryptua, zend_suhosin_globals, suhosin_globals) |
| @@ -879,7 +880,10 @@ PHP_INI_BEGIN() | |||
| 879 | STD_PHP_INI_ENTRY("suhosin.session.cryptraddr", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, session_cryptraddr, zend_suhosin_globals, suhosin_globals) | 880 | STD_PHP_INI_ENTRY("suhosin.session.cryptraddr", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, session_cryptraddr, zend_suhosin_globals, suhosin_globals) |
| 880 | STD_PHP_INI_ENTRY("suhosin.session.checkraddr", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, session_checkraddr, zend_suhosin_globals, suhosin_globals) | 881 | STD_PHP_INI_ENTRY("suhosin.session.checkraddr", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, session_checkraddr, zend_suhosin_globals, suhosin_globals) |
| 881 | STD_PHP_INI_ENTRY("suhosin.session.max_id_length", "128", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, session_max_id_length, zend_suhosin_globals, suhosin_globals) | 882 | STD_PHP_INI_ENTRY("suhosin.session.max_id_length", "128", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, session_max_id_length, zend_suhosin_globals, suhosin_globals) |
| 882 | 883 | #else /* HAVE_PHP_SESSION */ | |
| 884 | #warning BUILDING SUHOSIN WITHOUT SESSION SUPPORT | ||
| 885 | #endif /* HAVE_PHP_SESSION */ | ||
| 886 | |||
| 883 | 887 | ||
| 884 | STD_ZEND_INI_BOOLEAN("suhosin.cookie.encrypt", "0", ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateBool, cookie_encrypt, zend_suhosin_globals, suhosin_globals) | 888 | STD_ZEND_INI_BOOLEAN("suhosin.cookie.encrypt", "0", ZEND_INI_PERDIR|ZEND_INI_SYSTEM, OnUpdateBool, cookie_encrypt, zend_suhosin_globals, suhosin_globals) |
| 885 | STD_PHP_INI_ENTRY("suhosin.cookie.cryptkey", "", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateString, cookie_cryptkey, zend_suhosin_globals, suhosin_globals) | 889 | STD_PHP_INI_ENTRY("suhosin.cookie.cryptkey", "", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateString, cookie_cryptkey, zend_suhosin_globals, suhosin_globals) |
diff --git a/tests/session/session_recursive_crash2.phpt b/tests/session/session_recursive_crash2.phpt new file mode 100644 index 0000000..e99d924 --- /dev/null +++ b/tests/session/session_recursive_crash2.phpt | |||
| @@ -0,0 +1,61 @@ | |||
| 1 | --TEST-- | ||
| 2 | session user handler recursive crash - issue #60 | ||
| 3 | --SKIPIF-- | ||
| 4 | <?php include "../skipifcli.inc"; ?> | ||
| 5 | --ENV-- | ||
| 6 | return <<<END | ||
| 7 | HTTP_USER_AGENT=test | ||
| 8 | END; | ||
| 9 | --INI-- | ||
| 10 | suhosin.session.encrypt=On | ||
| 11 | suhosin.session.cryptkey=D3F4UL7 | ||
| 12 | suhosin.session.cryptua=On | ||
| 13 | suhosin.session.cryptdocroot=Off | ||
| 14 | suhosin.session.cryptraddr=0 | ||
| 15 | suhosin.session.checkraddr=0 | ||
| 16 | --FILE-- | ||
| 17 | <?php | ||
| 18 | $foo = ""; | ||
| 19 | |||
| 20 | class MySessionHandlerA implements SessionHandlerInterface | ||
| 21 | { | ||
| 22 | public function close() {} | ||
| 23 | public function destroy($session_id) {} | ||
| 24 | public function gc($maxlifetime) {} | ||
| 25 | public function open($save_path, $name) { global $foo; $foo .= "A\n"; } | ||
| 26 | public function read($session_id ) {} | ||
| 27 | public function write($session_id, $session_data) {} | ||
| 28 | } | ||
| 29 | |||
| 30 | session_set_save_handler(new MySessionHandlerA(), true); | ||
| 31 | session_start(); | ||
| 32 | session_destroy(); | ||
| 33 | |||
| 34 | // | ||
| 35 | |||
| 36 | class MySessionHandlerB extends MySessionHandlerA | ||
| 37 | { | ||
| 38 | public function open($save_path, $name) { global $foo; $foo .= "B\n"; } | ||
| 39 | } | ||
| 40 | |||
| 41 | session_set_save_handler(new MySessionHandlerB(), true); | ||
| 42 | session_start(); | ||
| 43 | session_destroy(); | ||
| 44 | |||
| 45 | // | ||
| 46 | |||
| 47 | class MySessionHandlerC extends MySessionHandlerA | ||
| 48 | { | ||
| 49 | public function open($save_path, $name) { global $foo; $foo .= "C\n"; } | ||
| 50 | } | ||
| 51 | |||
| 52 | session_set_save_handler(new MySessionHandlerC(), true); | ||
| 53 | session_start(); | ||
| 54 | session_destroy(); | ||
| 55 | |||
| 56 | |||
| 57 | echo $foo; | ||
| 58 | --EXPECTF-- | ||
| 59 | A | ||
| 60 | B | ||
| 61 | C | ||
