diff options
Diffstat (limited to 'src/file_server.c')
| -rw-r--r-- | src/file_server.c | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/src/file_server.c b/src/file_server.c new file mode 100644 index 0000000..3abfc57 --- /dev/null +++ b/src/file_server.c @@ -0,0 +1,390 @@ +/* + * active port forwarder - software for secure forwarding + * Copyright (C) 2003-2007 jeremian <jeremian [at] poczta.fm> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include <config.h> + +#include "file.h" +#include "activefor.h" +#include "logging.h" +#include "network.h" +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <limits.h> +#include <ctype.h> + +/* + * Function name: parsefile + * Description: Parses the server config file. + * Arguments: name - the name of the file with client's config + * status - the status returned from this function: + * 0 - file was parsed successfully + * n>0 - there was an error in the n-th line + * Returns: Pointer to ServerConfiguration structure. + */ + +ServerConfiguration* +parsefile(char* name, int* status) +{ + ServerConfiguration* cfg; + FILE* file = NULL; + int state, i, j, n, listencount, managecount, temp; + char buff[256]; + char helpbuf1[256]; + char helpbuf2[256]; + char* tmpbuf; + unsigned char pass[4] = {1, 2, 3, 4}; + + *status = 1; + + memset(buff, 0, 256); + + cfg = ServerConfiguration_new(); + + if (cfg == NULL) { + printf("Can't allocate memory for server configuration... exiting\n"); + exit(1); + } + + state = F_UNKNOWN; + + file = fopen(name, "r"); + if (file == NULL) { + return cfg; + } + + while (fgets(buff, 256, file) != NULL) { /* first loop - counting realm */ + helpbuf1[0] = 0; + parse_line(buff, helpbuf1, helpbuf2); + if (strcmp(helpbuf1, "realm")==0) { + ServerConfiguration_set_realmsNumber(cfg, ServerConfiguration_get_realmsNumber(cfg) + 1); + } + } + rewind(file); + + ServerConfiguration_set_realmsTable(cfg, + calloc(ServerConfiguration_get_realmsNumber(cfg), sizeof(ServerRealm*))); + if (ServerConfiguration_get_realmsTable(cfg) == NULL) { + printf("Can't allocate memory for ServerRealm* table... exiting\n"); + exit(1); + } + for (i = 0; i < ServerConfiguration_get_realmsNumber(cfg); ++i) { + ServerConfiguration_get_realmsTable(cfg)[i] = ServerRealm_new(); + if (ServerConfiguration_get_realmsTable(cfg)[i] == NULL) { + printf("Problem with allocating memory for ServerRealm structure... exiting"); + exit(1); + } + ServerRealm_set_password(ServerConfiguration_get_realmsTable(cfg)[i], pass); + } + ServerConfiguration_set_realmsNumber(cfg, 0); + *status = 0; + + listencount = managecount = 0; + + + while (fgets(buff, 256, file) != NULL) { /* second loop - counting listen */ + (*status)++; + state = parse_line(buff, helpbuf1, helpbuf2); + if (state) { + if (strcmp(helpbuf1, "realm") == 0) { + ServerConfiguration_set_realmsNumber(cfg, ServerConfiguration_get_realmsNumber(cfg) + 1); + if (listencount != managecount) { + return cfg; + } + listencount = managecount = 0; + } + else if ((strcmp(helpbuf1, "listen") == 0) || (strcmp(helpbuf1, "listenport") == 0)) { + if (ServerConfiguration_get_realmsNumber(cfg) == 0) { + return cfg; + } + ServerRealm_set_userClientPairs( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + ServerRealm_get_userClientPairs(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1]) + + 1); + ++listencount; + } + else if ((strcmp(helpbuf1, "manage") == 0) || (strcmp(helpbuf1, "manageport") == 0)) { + if (ServerConfiguration_get_realmsNumber(cfg) == 0) { + return cfg; + } + ++managecount; + } + } + } + rewind(file); + + if (listencount != managecount) { + return cfg; + } + + for (i = 0; i < ServerConfiguration_get_realmsNumber(cfg); ++i) { + ServerRealm_set_usersClientsTable(ServerConfiguration_get_realmsTable(cfg)[i], + calloc(ServerRealm_get_userClientPairs(ServerConfiguration_get_realmsTable(cfg)[i]), sizeof(UsrCli*))); + if (ServerRealm_get_usersClientsTable(ServerConfiguration_get_realmsTable(cfg)[i]) == NULL) { + printf("Problem with allocating memory for UsrCli* table... exiting"); + return cfg; + } + for (j = 0; j < ServerRealm_get_userClientPairs(ServerConfiguration_get_realmsTable(cfg)[i]); ++j) { + ServerRealm_get_usersClientsTable(ServerConfiguration_get_realmsTable(cfg)[i])[j] = UsrCli_new(); + if (ServerRealm_get_usersClientsTable(ServerConfiguration_get_realmsTable(cfg)[i])[j] == NULL) { + printf("Problem with allocating memory for UsrCli structure... exiting"); + return cfg; + } + } + } + + ServerConfiguration_set_realmsNumber(cfg, 0); + *status = 0; + + + while (fgets(buff, 256, file) != NULL) { /* third loop - parsing file */ + (*status)++; + state = parse_line(buff, helpbuf1, helpbuf2); + if (helpbuf1[0] == '#') { + memset(buff, 0, 256); + continue; + } + if (state == 1) { + if (strcmp(helpbuf1, "realm")==0) { + ServerConfiguration_set_realmsNumber(cfg, ServerConfiguration_get_realmsNumber(cfg) + 1); + temp = ServerRealm_get_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1]); + TYPE_SET_SSL(temp); + TYPE_SET_ZLIB(temp); + TYPE_SET_SUPPORTED_MULTI(temp); + ServerRealm_set_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1], temp); + listencount = managecount = 0; + } + else if (ServerConfiguration_get_realmsNumber(cfg) == 0) { + return cfg; + } + else if (strcmp(helpbuf1, "nossl")==0) { + temp = ServerRealm_get_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1]); + TYPE_UNSET_SSL(temp); + ServerRealm_set_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1], temp); + } + else if (strcmp(helpbuf1, "nozlib")==0) { + temp = ServerRealm_get_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1]); + TYPE_UNSET_ZLIB(temp); + ServerRealm_set_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1], temp); + } + else if (strcmp(helpbuf1, "baseport")==0) { + ServerRealm_set_basePortOn( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + 1); + } + else if (strcmp(helpbuf1, "audit")==0) { + ServerRealm_set_auditOn( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + 1); + } + else if (strcmp(helpbuf1, "dnslookups")==0) { + ServerRealm_set_dnsLookupsOn( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + 1); + } +#ifdef HAVE_LIBPTHREAD + else if (strcmp(helpbuf1, "enableproxy")==0) { + if (ServerRealm_get_tunnelType( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1]) == 0) { + ServerRealm_set_tunnelType( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + 1); + } + else { + return cfg; + } + } +#endif +#ifdef AF_INET6 + else if (strcmp(helpbuf1, "ipv4")==0) { + if (TYPE_IS_UNSPEC(ServerRealm_get_realmType( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1]))) { + temp = ServerRealm_get_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1]); + TYPE_SET_IPV4(temp); + ServerRealm_set_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1], temp); + } + else { + return cfg; + } + } + else if (strcmp(helpbuf1, "ipv6")==0) { + if (TYPE_IS_UNSPEC(ServerRealm_get_realmType( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1]))) { + temp = ServerRealm_get_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1]); + TYPE_SET_IPV6(temp); + ServerRealm_set_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1], temp); + } + else { + return cfg; + } + } +#endif + else { + return cfg; + } + } + else if (state == 2) { + if (strcmp(helpbuf1, "realm")==0) { + ServerConfiguration_set_realmsNumber(cfg, ServerConfiguration_get_realmsNumber(cfg) + 1); + temp = ServerRealm_get_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1]); + TYPE_SET_SSL(temp); + TYPE_SET_ZLIB(temp); + TYPE_SET_SUPPORTED_MULTI(temp); + ServerRealm_set_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1], temp); + listencount = managecount = 0; + ServerRealm_set_realmName( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + helpbuf2); + } + else if ((strcmp(helpbuf1, "certificate") == 0) || (strcmp(helpbuf1, "cerfile") == 0)) { + ServerConfiguration_set_certificateFile(cfg, helpbuf2); + } + else if (strcmp(helpbuf1, "cacerfile") == 0) { + ServerConfiguration_set_cacertificateFile(cfg, helpbuf2); + } + else if (strcmp(helpbuf1, "cerdepth") == 0) { + ServerConfiguration_set_sCertificateDepth(cfg, helpbuf2); + } + else if ((strcmp(helpbuf1, "key") == 0) || (strcmp(helpbuf1, "keyfile") == 0)) { + ServerConfiguration_set_keysFile(cfg, helpbuf2); + } + else if (strcmp(helpbuf1, "log")==0) { + tmpbuf = calloc(strlen(helpbuf2)+1, sizeof(char)); + strcpy(tmpbuf, helpbuf2); + addlogtarget(tmpbuf); + } + else if (strcmp(helpbuf1, "dateformat")==0) { + ServerConfiguration_set_dateFormat(cfg, helpbuf2); + } + else if (ServerConfiguration_get_realmsNumber(cfg) == 0) { + return cfg; + } + else if (strcmp(helpbuf1, "hostname")==0) { + ServerRealm_set_hostName( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + helpbuf2); + } + else if ((strcmp(helpbuf1, "listen") == 0) || (strcmp(helpbuf1, "listenport") == 0)) { + UsrCli_set_listenPortName( + ServerRealm_get_usersClientsTable( + ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1])[listencount], helpbuf2); + ++listencount; + } + else if (strcmp(helpbuf1, "pass")==0) { + n = strlen(helpbuf2); + memset(pass, 0, 4); + for (i = 0; i < n; ++i) { + pass[i%4] += helpbuf2[i]; + } + ServerRealm_set_password( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + pass); + } + else if ((strcmp(helpbuf1, "manage") == 0) || (strcmp(helpbuf1, "manageport") == 0)) { + UsrCli_set_managePortName( + ServerRealm_get_usersClientsTable( + ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1])[managecount], helpbuf2); + ++managecount; + } + else if (strcmp(helpbuf1, "users")==0) { + ServerRealm_set_sUsersLimit( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + helpbuf2); + } + else if (strcmp(helpbuf1, "timeout")==0) { + ServerRealm_set_sTimeout( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + helpbuf2); + } + else if (strcmp(helpbuf1, "maxidle")==0) { + ServerRealm_set_sMaxIdle( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + helpbuf2); + } + else if (strcmp(helpbuf1, "clients")==0) { + ServerRealm_set_sClientsLimit( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + helpbuf2); + } + else if (strcmp(helpbuf1, "raclients")==0) { + ServerRealm_set_sRaClientsLimit( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + helpbuf2); + } + else if (strcmp(helpbuf1, "usrpcli")==0) { + ServerRealm_set_sUsersPerClient( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + helpbuf2); + } + else if (strcmp(helpbuf1, "climode")==0) { + ServerRealm_set_sClientMode( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1], + helpbuf2); + } + else if (strcmp(helpbuf1, "proto")==0) { + if (TYPE_IS_SET(ServerRealm_get_realmType( + ServerConfiguration_get_realmsTable(cfg)[ServerConfiguration_get_realmsNumber(cfg) - 1]))) { + return cfg; + } + if (strcmp(helpbuf2, "tcp")==0) { + temp = ServerRealm_get_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1]); + TYPE_SET_TCP(temp); + ServerRealm_set_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1], temp); + } + else if (strcmp(helpbuf2, "udp")==0) { + temp = ServerRealm_get_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1]); + TYPE_SET_UDP(temp); + ServerRealm_set_realmType(ServerConfiguration_get_realmsTable(cfg)[ + ServerConfiguration_get_realmsNumber(cfg) - 1], temp); + } + else { + return cfg; + } + } + else { + return cfg; + } + } + memset(buff, 0, 256); + } + + fclose(file); + + *status = 0; + return cfg; +} |