diff options
Diffstat (limited to 'tinyNET/src/dns/tnet_dns_resolvconf.c')
| -rwxr-xr-x | tinyNET/src/dns/tnet_dns_resolvconf.c | 510 |
1 files changed, 259 insertions, 251 deletions
diff --git a/tinyNET/src/dns/tnet_dns_resolvconf.c b/tinyNET/src/dns/tnet_dns_resolvconf.c index a4a0fbf..b77ba8f 100755 --- a/tinyNET/src/dns/tnet_dns_resolvconf.c +++ b/tinyNET/src/dns/tnet_dns_resolvconf.c @@ -9,12 +9,12 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. -* +* * DOUBANGO is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. -* +* * You should have received a copy of the GNU General Public License * along with DOUBANGO. * @@ -50,265 +50,273 @@ */ tnet_addresses_L_t * tnet_dns_resolvconf_parse(const char* path) { - tnet_addresses_L_t* servers = tsk_null; - tnet_ip_t ip; - const char* fullpath = path; - const char* tag_start = tsk_null; - FILE* fd; - char* buf = tsk_null; - - // Ragel - int cs = 0; - const char *p; - const char *pe; - const char *eof; - - TSK_RAGEL_DISABLE_WARNINGS_BEGIN() - -/* #line 69 "./src/dns/tnet_dns_resolvconf.c" */ -static const char _tdns_machine_resolvconf_actions[] = { - 0, 1, 0, 1, 1 -}; - -static const char _tdns_machine_resolvconf_key_offsets[] = { - 0, 7, 8, 9, 12, 15, 15, 22, - 24, 27, 30, 33, 36, 39, 42, 45, - 48, 51, 52, 53, 56 -}; - -static const char _tdns_machine_resolvconf_trans_keys[] = { - 10, 13, 32, 35, 59, 78, 110, 32, - 32, 10, 13, 32, 10, 13, 32, 10, - 13, 32, 35, 59, 78, 110, 10, 13, - 32, 65, 97, 32, 77, 109, 32, 69, - 101, 32, 83, 115, 32, 69, 101, 32, - 82, 114, 32, 86, 118, 32, 69, 101, - 32, 82, 114, 32, 32, 10, 13, 32, - 32, 35, 59, 78, 110, 0 -}; - -static const char _tdns_machine_resolvconf_single_lengths[] = { - 7, 1, 1, 3, 3, 0, 7, 2, - 3, 3, 3, 3, 3, 3, 3, 3, - 3, 1, 1, 3, 5 -}; - -static const char _tdns_machine_resolvconf_range_lengths[] = { - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0 -}; - -static const char _tdns_machine_resolvconf_index_offsets[] = { - 0, 8, 10, 12, 16, 20, 21, 29, - 32, 36, 40, 44, 48, 52, 56, 60, - 64, 68, 70, 72, 76 -}; - -static const char _tdns_machine_resolvconf_indicies[] = { - 1, 1, 2, 3, 3, 4, 4, 0, - 5, 0, 5, 6, 7, 7, 8, 6, - 7, 7, 8, 9, 9, 1, 1, 5, - 3, 3, 4, 4, 0, 7, 7, 3, - 5, 10, 10, 0, 5, 11, 11, 0, - 5, 12, 12, 0, 5, 13, 13, 0, - 5, 14, 14, 0, 5, 15, 15, 0, - 5, 16, 16, 0, 5, 17, 17, 0, - 5, 18, 18, 0, 19, 0, 19, 20, - 22, 22, 23, 21, 2, 3, 3, 4, - 4, 0, 0 -}; - -static const char _tdns_machine_resolvconf_trans_targs[] = { - 1, 6, 20, 7, 8, 2, 3, 0, - 4, 5, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 19, 0, 4 -}; - -static const char _tdns_machine_resolvconf_trans_actions[] = { - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 1, 0, 3, 3 -}; - -static const int tdns_machine_resolvconf_start = 0; -static const int tdns_machine_resolvconf_first_final = 0; -static const int tdns_machine_resolvconf_error = -1; - -static const int tdns_machine_resolvconf_en_main = 0; - - -/* #line 101 "./ragel/tnet_dns_resolvconf.rl" */ - TSK_RAGEL_DISABLE_WARNINGS_END() - (void)(eof); - (void)(tdns_machine_resolvconf_first_final); - (void)(tdns_machine_resolvconf_error); - (void)(tdns_machine_resolvconf_en_main); - - if(tsk_strnullORempty(fullpath)){ - fullpath = TNET_RESOLV_CONF_PATH; - } - - /* Open the file and read all data */ - if((fd = fopen(fullpath, "r"))){ - long len; - fseek(fd, 0L, SEEK_END); - len = ftell(fd); - fseek(fd, 0L, SEEK_SET); - if (!(buf = (char*)tsk_calloc(len + 1, 1))) { - TSK_DEBUG_ERROR("Failed to allocate buffer with size = %ld", (len + 1)); - goto bail; - } - fread(buf, 1, len, fd); - p = &buf[0]; - pe = p + len + 1/*hack*/; - eof = pe; - fclose(fd); - - buf[len] = '\n'; // hack to have perfect lines - - servers = tsk_list_create(); - } - else { + tnet_addresses_L_t* servers = tsk_null; + tnet_ip_t ip; + const char* fullpath = path; + const char* tag_start = tsk_null; + FILE* fd; + char* buf = tsk_null; + + // Ragel + int cs = 0; + const char *p; + const char *pe; + const char *eof; + + TSK_RAGEL_DISABLE_WARNINGS_BEGIN() + + /* #line 69 "./src/dns/tnet_dns_resolvconf.c" */ + static const char _tdns_machine_resolvconf_actions[] = { + 0, 1, 0, 1, 1 + }; + + static const char _tdns_machine_resolvconf_key_offsets[] = { + 0, 7, 8, 9, 12, 15, 15, 22, + 24, 27, 30, 33, 36, 39, 42, 45, + 48, 51, 52, 53, 56 + }; + + static const char _tdns_machine_resolvconf_trans_keys[] = { + 10, 13, 32, 35, 59, 78, 110, 32, + 32, 10, 13, 32, 10, 13, 32, 10, + 13, 32, 35, 59, 78, 110, 10, 13, + 32, 65, 97, 32, 77, 109, 32, 69, + 101, 32, 83, 115, 32, 69, 101, 32, + 82, 114, 32, 86, 118, 32, 69, 101, + 32, 82, 114, 32, 32, 10, 13, 32, + 32, 35, 59, 78, 110, 0 + }; + + static const char _tdns_machine_resolvconf_single_lengths[] = { + 7, 1, 1, 3, 3, 0, 7, 2, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 1, 1, 3, 5 + }; + + static const char _tdns_machine_resolvconf_range_lengths[] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0 + }; + + static const char _tdns_machine_resolvconf_index_offsets[] = { + 0, 8, 10, 12, 16, 20, 21, 29, + 32, 36, 40, 44, 48, 52, 56, 60, + 64, 68, 70, 72, 76 + }; + + static const char _tdns_machine_resolvconf_indicies[] = { + 1, 1, 2, 3, 3, 4, 4, 0, + 5, 0, 5, 6, 7, 7, 8, 6, + 7, 7, 8, 9, 9, 1, 1, 5, + 3, 3, 4, 4, 0, 7, 7, 3, + 5, 10, 10, 0, 5, 11, 11, 0, + 5, 12, 12, 0, 5, 13, 13, 0, + 5, 14, 14, 0, 5, 15, 15, 0, + 5, 16, 16, 0, 5, 17, 17, 0, + 5, 18, 18, 0, 19, 0, 19, 20, + 22, 22, 23, 21, 2, 3, 3, 4, + 4, 0, 0 + }; + + static const char _tdns_machine_resolvconf_trans_targs[] = { + 1, 6, 20, 7, 8, 2, 3, 0, + 4, 5, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 19, 0, 4 + }; + + static const char _tdns_machine_resolvconf_trans_actions[] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 1, 0, 3, 3 + }; + + static const int tdns_machine_resolvconf_start = 0; + static const int tdns_machine_resolvconf_first_final = 0; + static const int tdns_machine_resolvconf_error = -1; + + static const int tdns_machine_resolvconf_en_main = 0; + + + /* #line 101 "./ragel/tnet_dns_resolvconf.rl" */ + TSK_RAGEL_DISABLE_WARNINGS_END() + (void)(eof); + (void)(tdns_machine_resolvconf_first_final); + (void)(tdns_machine_resolvconf_error); + (void)(tdns_machine_resolvconf_en_main); + + if(tsk_strnullORempty(fullpath)) { + fullpath = TNET_RESOLV_CONF_PATH; + } + + /* Open the file and read all data */ + if((fd = fopen(fullpath, "r"))) { + long len; + fseek(fd, 0L, SEEK_END); + len = ftell(fd); + fseek(fd, 0L, SEEK_SET); + if (!(buf = (char*)tsk_calloc(len + 1, 1))) { + TSK_DEBUG_ERROR("Failed to allocate buffer with size = %ld", (len + 1)); + goto bail; + } + fread(buf, 1, len, fd); + p = &buf[0]; + pe = p + len + 1/*hack*/; + eof = pe; + fclose(fd); + + buf[len] = '\n'; // hack to have perfect lines + + servers = tsk_list_create(); + } + else { #if ANDROID || defined(__APPLE__) /* TARGET_OS_IPHONE not defined for bsd libraries */ - TSK_DEBUG_INFO("Failed to open [%s]. But don't panic, we have detected that you are using Google Android/iOS Systems.\n" - "You should look at the Progammer's Guide for more information.\n If you are not using DNS functions, don't worry about this warning.", - fullpath); + TSK_DEBUG_INFO("Failed to open [%s]. But don't panic, we have detected that you are using Google Android/iOS Systems.\n" + "You should look at the Progammer's Guide for more information.\n If you are not using DNS functions, don't worry about this warning.", + fullpath); #else - TSK_DEBUG_ERROR("Failed to open %s.", fullpath); + TSK_DEBUG_ERROR("Failed to open %s.", fullpath); #endif - goto bail; - } - - TSK_RAGEL_DISABLE_WARNINGS_BEGIN() - -/* #line 186 "./src/dns/tnet_dns_resolvconf.c" */ - { - cs = tdns_machine_resolvconf_start; - } - -/* #line 144 "./ragel/tnet_dns_resolvconf.rl" */ - -/* #line 193 "./src/dns/tnet_dns_resolvconf.c" */ - { - int _klen; - unsigned int _trans; - const char *_acts; - unsigned int _nacts; - const char *_keys; - - if ( p == pe ) - goto _test_eof; + goto bail; + } + + TSK_RAGEL_DISABLE_WARNINGS_BEGIN() + + /* #line 186 "./src/dns/tnet_dns_resolvconf.c" */ + { + cs = tdns_machine_resolvconf_start; + } + + /* #line 144 "./ragel/tnet_dns_resolvconf.rl" */ + + /* #line 193 "./src/dns/tnet_dns_resolvconf.c" */ + { + int _klen; + unsigned int _trans; + const char *_acts; + unsigned int _nacts; + const char *_keys; + + if ( p == pe ) { + goto _test_eof; + } _resume: - _keys = _tdns_machine_resolvconf_trans_keys + _tdns_machine_resolvconf_key_offsets[cs]; - _trans = _tdns_machine_resolvconf_index_offsets[cs]; - - _klen = _tdns_machine_resolvconf_single_lengths[cs]; - if ( _klen > 0 ) { - const char *_lower = _keys; - const char *_mid; - const char *_upper = _keys + _klen - 1; - while (1) { - if ( _upper < _lower ) - break; - - _mid = _lower + ((_upper-_lower) >> 1); - if ( (*p) < *_mid ) - _upper = _mid - 1; - else if ( (*p) > *_mid ) - _lower = _mid + 1; - else { - _trans += (_mid - _keys); - goto _match; - } - } - _keys += _klen; - _trans += _klen; - } - - _klen = _tdns_machine_resolvconf_range_lengths[cs]; - if ( _klen > 0 ) { - const char *_lower = _keys; - const char *_mid; - const char *_upper = _keys + (_klen<<1) - 2; - while (1) { - if ( _upper < _lower ) - break; - - _mid = _lower + (((_upper-_lower) >> 1) & ~1); - if ( (*p) < _mid[0] ) - _upper = _mid - 2; - else if ( (*p) > _mid[1] ) - _lower = _mid + 2; - else { - _trans += ((_mid - _keys)>>1); - goto _match; - } - } - _trans += _klen; - } + _keys = _tdns_machine_resolvconf_trans_keys + _tdns_machine_resolvconf_key_offsets[cs]; + _trans = _tdns_machine_resolvconf_index_offsets[cs]; + + _klen = _tdns_machine_resolvconf_single_lengths[cs]; + if ( _klen > 0 ) { + const char *_lower = _keys; + const char *_mid; + const char *_upper = _keys + _klen - 1; + while (1) { + if ( _upper < _lower ) { + break; + } + + _mid = _lower + ((_upper-_lower) >> 1); + if ( (*p) < *_mid ) { + _upper = _mid - 1; + } + else if ( (*p) > *_mid ) { + _lower = _mid + 1; + } + else { + _trans += (_mid - _keys); + goto _match; + } + } + _keys += _klen; + _trans += _klen; + } + + _klen = _tdns_machine_resolvconf_range_lengths[cs]; + if ( _klen > 0 ) { + const char *_lower = _keys; + const char *_mid; + const char *_upper = _keys + (_klen<<1) - 2; + while (1) { + if ( _upper < _lower ) { + break; + } + + _mid = _lower + (((_upper-_lower) >> 1) & ~1); + if ( (*p) < _mid[0] ) { + _upper = _mid - 2; + } + else if ( (*p) > _mid[1] ) { + _lower = _mid + 2; + } + else { + _trans += ((_mid - _keys)>>1); + goto _match; + } + } + _trans += _klen; + } _match: - _trans = _tdns_machine_resolvconf_indicies[_trans]; - cs = _tdns_machine_resolvconf_trans_targs[_trans]; - - if ( _tdns_machine_resolvconf_trans_actions[_trans] == 0 ) - goto _again; - - _acts = _tdns_machine_resolvconf_actions + _tdns_machine_resolvconf_trans_actions[_trans]; - _nacts = (unsigned int) *_acts++; - while ( _nacts-- > 0 ) - { - switch ( *_acts++ ) - { - case 0: -/* #line 41 "./ragel/tnet_dns_resolvconf.rl" */ - { - tag_start = p; - } - break; - case 1: -/* #line 45 "./ragel/tnet_dns_resolvconf.rl" */ - { - int len = (int)(p - tag_start); - if(len && len<=sizeof(ip)){ - tnet_address_t *address; - memset(ip, '\0', sizeof(ip)); - memcpy(ip, tag_start, len); - TSK_DEBUG_INFO("Adding DNS server = %s:%d", ip, TNET_DNS_SERVER_PORT_DEFAULT); - - address = tnet_address_create(ip); - address->family = tnet_get_family(ip, TNET_DNS_SERVER_PORT_DEFAULT); - address->dnsserver = 1; - tsk_list_push_ascending_data(servers, (void**)&address); - } - } - break; -/* #line 288 "./src/dns/tnet_dns_resolvconf.c" */ - } - } + _trans = _tdns_machine_resolvconf_indicies[_trans]; + cs = _tdns_machine_resolvconf_trans_targs[_trans]; + + if ( _tdns_machine_resolvconf_trans_actions[_trans] == 0 ) { + goto _again; + } + + _acts = _tdns_machine_resolvconf_actions + _tdns_machine_resolvconf_trans_actions[_trans]; + _nacts = (unsigned int) *_acts++; + while ( _nacts-- > 0 ) { + switch ( *_acts++ ) { + case 0: + /* #line 41 "./ragel/tnet_dns_resolvconf.rl" */ + { + tag_start = p; + } + break; + case 1: + /* #line 45 "./ragel/tnet_dns_resolvconf.rl" */ + { + int len = (int)(p - tag_start); + if(len && len<=sizeof(ip)) { + tnet_address_t *address; + memset(ip, '\0', sizeof(ip)); + memcpy(ip, tag_start, len); + TSK_DEBUG_INFO("Adding DNS server = %s:%d", ip, TNET_DNS_SERVER_PORT_DEFAULT); + + address = tnet_address_create(ip); + address->family = tnet_get_family(ip, TNET_DNS_SERVER_PORT_DEFAULT); + address->dnsserver = 1; + tsk_list_push_ascending_data(servers, (void**)&address); + } + } + break; + /* #line 288 "./src/dns/tnet_dns_resolvconf.c" */ + } + } _again: - if ( ++p != pe ) - goto _resume; - _test_eof: {} - } - -/* #line 145 "./ragel/tnet_dns_resolvconf.rl" */ - TSK_RAGEL_DISABLE_WARNINGS_END() - - if (cs < -/* #line 302 "./src/dns/tnet_dns_resolvconf.c" */ -0 -/* #line 147 "./ragel/tnet_dns_resolvconf.rl" */ - ) { - TSK_DEBUG_ERROR("Failed to parse %s.", fullpath); - TSK_OBJECT_SAFE_FREE(servers); - } + if ( ++p != pe ) { + goto _resume; + } +_test_eof: { + } + } + + /* #line 145 "./ragel/tnet_dns_resolvconf.rl" */ + TSK_RAGEL_DISABLE_WARNINGS_END() + + if (cs < + /* #line 302 "./src/dns/tnet_dns_resolvconf.c" */ + 0 + /* #line 147 "./ragel/tnet_dns_resolvconf.rl" */ + ) { + TSK_DEBUG_ERROR("Failed to parse %s.", fullpath); + TSK_OBJECT_SAFE_FREE(servers); + } bail: - TSK_FREE(buf); - return servers; + TSK_FREE(buf); + return servers; } |
