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authorJakub Sławiński2005-03-15 01:22:55 +0100
committerJoshua Judson Rosen2014-07-17 21:14:58 +0200
commit1adde65db245ec1fca752cfee4c198badf40fb5f (patch)
treebba33f3b1fe7d469f9df7a89af9dac77b27fa3bb /src/file.c
parentudp_patch (diff)
downloadapf-1adde65db245ec1fca752cfee4c198badf40fb5f.tar.gz
v0.6
- Fixed: default password incompatibilities from config file - Added: "client's id" option - Lightly Modified: verbose mode - Added: temporary listen ports - Fixed: bug in printing "client's id" - Added: 'dateformat' option to set format of the date in the logs - Modified: command line option and config file behaviour - Added: logging to a socket - Fixed: parsing config file - Fixed: major bug in packet buffering - Added: several clients-users in one realm - Modified: default hostname used by afserver - Modified: server listening behaviour (for clients) - Fixed: bug in checking options values - Modified: verbose mode - Modified: client initial connection to server - Added: connection time / uptime statistics - Added: first version of remote administration (statistics only) - Fixed: major bug in remove_client routine - Added: 'raclients' option - Added: use of automake/autoconf - Added: creating ~/.apf directory - Modified: the way of creating/managing keys/certificates - Added: 'dnslookups' option - Modified: usage functions - Fixed: no handling of missing 'listen' option after 'newrealm' in config file - Added: 'quit' command in remote administration mode - Modified: logging error messages during initialization - Modified: 'newrealm' changed to 'realm' in config file - Added: realm names - Modified: connection time / uptime - Added: client names / unique numbers - Added: user unique numbers - Fixed: segmentation fault after 'quit' command
Diffstat (limited to 'src/file.c')
-rw-r--r--src/file.c373
1 files changed, 373 insertions, 0 deletions
diff --git a/src/file.c b/src/file.c
new file mode 100644
index 0000000..e4cde62
--- /dev/null
+++ b/src/file.c
@@ -0,0 +1,373 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003,2004,2005 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 "file.h"
+#include "activefor.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <ctype.h>
+
+int
+parse_line(char* buff, char* tab1, char* tab2)
+{
+ int state, i, j, lastDot;
+ state = i = j = 0;
+ lastDot = -1;
+ while (buff[i] != 0) {
+ if (buff[i] == '#') {
+ if ((i > 0) && (buff[i-1] == '\\')) {
+ --j;
+ }
+ else {
+ break;
+ }
+ }
+ switch (state) {
+ case 0: { /* before option name */
+ if (!isspace(buff[i])) {
+ tab1[j] = buff[i];
+ j = 1;
+ state = 1;
+ }
+ break;
+ }
+ case 1: { /* option */
+ if (isspace(buff[i])) {
+ tab1[j] = 0;
+ state = 2;
+ j = 0;
+ }
+ else {
+ tab1[j] = buff[i];
+ ++j;
+ }
+ break;
+ }
+ case 2: { /* before option value */
+ if (!isspace(buff[i])) {
+ if (buff[i] != '.') {
+ tab2[j] = buff[i];
+ j = 1;
+ }
+ state = 3;
+ }
+ break;
+ }
+ case 3: { /* option value */
+ if (buff[i] == '.') {
+ lastDot = j;
+ }
+ else if (!isspace(buff[i])) {
+ lastDot = -1;
+ }
+ else if (lastDot == -1) {
+ lastDot = j;
+ }
+ tab2[j] = buff[i];
+ ++j;
+ break;
+ }
+ }
+ ++i;
+ }
+ if (lastDot != -1) {
+ tab2[lastDot] = 0;
+ }
+ if (state == 3) {
+ return 2;
+ }
+ if (state == 0) {
+ return 0;
+ }
+ return 1;
+}
+
+ConfigurationT
+parsefile(char* name, int* status)
+{
+ static ConfigurationT cfg;
+ FILE* file = NULL;
+ int state, i, n, listencount, managecount;
+ char buff[256];
+ char helpbuf1[256];
+ char helpbuf2[256];
+
+ *status = 1;
+
+ memset(buff, 0, 256);
+
+ cfg.certif = NULL;
+ cfg.keys = NULL;
+ cfg.size = 0;
+ cfg.realmtable = NULL;
+ cfg.logging = 0;
+ cfg.socklogging = 0;
+ cfg.logfnam = NULL;
+ cfg.logsport = NULL;
+ cfg.dateformat = NULL;
+
+ 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) {
+ ++cfg.size;
+ }
+ }
+ rewind(file);
+
+ cfg.realmtable = calloc(cfg.size, sizeof(RealmT));
+ for (i=0; i<cfg.size; ++i) {
+ cfg.realmtable[i].pass[0] = 1;
+ cfg.realmtable[i].pass[1] = 2;
+ cfg.realmtable[i].pass[2] = 3;
+ cfg.realmtable[i].pass[3] = 4;
+ }
+ cfg.size = 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) {
+ ++cfg.size;
+ if (listencount != managecount) {
+ return cfg;
+ }
+ listencount = managecount = 0;
+ }
+ else if (strcmp(helpbuf1, "listen")==0) {
+ if (cfg.size == 0) {
+ return cfg;
+ }
+ ++cfg.realmtable[cfg.size-1].usrclinum;
+ ++listencount;
+ }
+ else if (strcmp(helpbuf1, "manage")==0) {
+ if (cfg.size == 0) {
+ return cfg;
+ }
+ ++managecount;
+ }
+ }
+ }
+ rewind(file);
+
+ if (listencount != managecount) {
+ return cfg;
+ }
+
+ for (i=0; i<cfg.size; ++i) {
+ cfg.realmtable[i].usrclitable = calloc(cfg.realmtable[i].usrclinum, sizeof(UsrCliT));
+ }
+
+ cfg.size = 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) {
+ ++cfg.size;
+ TYPE_SET_SSL(cfg.realmtable[cfg.size-1].type);
+ TYPE_SET_ZLIB(cfg.realmtable[cfg.size-1].type);
+ listencount = managecount = 0;
+ }
+ else if (cfg.size == 0) {
+ return cfg;
+ }
+ else if (strcmp(helpbuf1, "nossl")==0) {
+ TYPE_UNSET_SSL(cfg.realmtable[cfg.size-1].type);
+ }
+ else if (strcmp(helpbuf1, "nozlib")==0) {
+ TYPE_UNSET_ZLIB(cfg.realmtable[cfg.size-1].type);
+ }
+ else if (strcmp(helpbuf1, "baseport")==0) {
+ cfg.realmtable[cfg.size-1].baseport = 1;
+ }
+ else if (strcmp(helpbuf1, "dnslookups")==0) {
+ cfg.realmtable[cfg.size-1].dnslookups = 1;
+ }
+ else if (strcmp(helpbuf1, "ipv4")==0) {
+ if (TYPE_IS_UNSPEC(cfg.realmtable[cfg.size-1].type)) {
+ TYPE_SET_IPV4(cfg.realmtable[cfg.size-1].type);
+ }
+ else {
+ return cfg;
+ }
+ }
+ else if (strcmp(helpbuf1, "ipv6")==0) {
+ if (TYPE_IS_UNSPEC(cfg.realmtable[cfg.size-1].type)) {
+ TYPE_SET_IPV6(cfg.realmtable[cfg.size-1].type);
+ }
+ else {
+ return cfg;
+ }
+ }
+ else {
+ return cfg;
+ }
+ }
+ else if (state == 2) {
+ if (strcmp(helpbuf1, "realm")==0) {
+ ++cfg.size;
+ TYPE_SET_SSL(cfg.realmtable[cfg.size-1].type);
+ TYPE_SET_ZLIB(cfg.realmtable[cfg.size-1].type);
+ listencount = managecount = 0;
+ cfg.realmtable[cfg.size-1].realmname = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].realmname, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "certificate")==0) {
+ cfg.certif = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.certif, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "key")==0) {
+ cfg.keys = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.keys, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "heavylog")==0) {
+ if (cfg.logging) {
+ return cfg;
+ }
+ cfg.logging = 3;
+ cfg.logfnam = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.logfnam, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "lightlog")==0) {
+ if (cfg.logging) {
+ return cfg;
+ }
+ cfg.logging = 1;
+ cfg.logfnam = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.logfnam, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "heavysocklog")==0) {
+ if (cfg.socklogging) {
+ return cfg;
+ }
+ cfg.socklogging = 3;
+ cfg.logsport = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.logsport, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "lightsocklog")==0) {
+ if (cfg.socklogging) {
+ return cfg;
+ }
+ cfg.socklogging = 1;
+ cfg.logsport = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.logsport, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "dateformat")==0) {
+ cfg.dateformat = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.dateformat, helpbuf2);
+ }
+ else if (cfg.size == 0) {
+ return cfg;
+ }
+ else if (strcmp(helpbuf1, "hostname")==0) {
+ cfg.realmtable[cfg.size-1].hostname = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].hostname, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "listen")==0) {
+ cfg.realmtable[cfg.size-1].usrclitable[listencount].lisportnum=calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].usrclitable[listencount].lisportnum, helpbuf2);
+ ++listencount;
+ }
+ else if (strcmp(helpbuf1, "pass")==0) {
+ n = strlen(helpbuf2);
+ memset(cfg.realmtable[cfg.size-1].pass, 0, 4);
+ for (i = 0; i < n; ++i) {
+ cfg.realmtable[cfg.size-1].pass[i%4] += helpbuf2[i];
+ }
+ }
+ else if (strcmp(helpbuf1, "manage")==0) {
+ cfg.realmtable[cfg.size-1].usrclitable[managecount].manportnum=calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].usrclitable[managecount].manportnum, helpbuf2);
+ ++managecount;
+ }
+ else if (strcmp(helpbuf1, "users")==0) {
+ cfg.realmtable[cfg.size-1].users = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].users, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "timeout")==0) {
+ cfg.realmtable[cfg.size-1].timeout = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].timeout, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "clients")==0) {
+ cfg.realmtable[cfg.size-1].clients = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].clients, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "raclients")==0) {
+ cfg.realmtable[cfg.size-1].raclients = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].raclients, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "usrpcli")==0) {
+ cfg.realmtable[cfg.size-1].usrpcli = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].usrpcli, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "climode")==0) {
+ cfg.realmtable[cfg.size-1].clim = calloc(strlen(helpbuf2)+1, sizeof(char));
+ strcpy(cfg.realmtable[cfg.size-1].clim, helpbuf2);
+ }
+ else if (strcmp(helpbuf1, "proto")==0) {
+ if (TYPE_IS_SET(cfg.realmtable[cfg.size-1].type)) {
+ return cfg;
+ }
+ if (strcmp(helpbuf2, "tcp")==0) {
+ TYPE_SET_TCP(cfg.realmtable[cfg.size-1].type);
+ }
+ else if (strcmp(helpbuf2, "udp")==0) {
+ TYPE_SET_UDP(cfg.realmtable[cfg.size-1].type);
+ }
+ else {
+ return cfg;
+ }
+ }
+ else {
+ return cfg;
+ }
+ }
+ memset(buff, 0, 256);
+ }
+
+ fclose(file);
+
+ *status = 0;
+ return cfg;
+}
+