v0.5.2

	- Added: types of realm
	- Added: logging to a file
	- Fixed: major bug in communication between server and client
	- Fixed: deformed packets in udp protocol forwarding

04.12.2003 (v0.5.1):
	- Fixed: Some data transfer problems
	- Added: udp protocol tunneling/forwarding
	- Fixed: bug in parsing the config file
	- Improved: making connection between server and client
	- Lightly modified: verbose mode (added double v mode)

23.11.2003 (v0.5):
	- This is the first release
	- There are no known major bugs

1 files changed, 159 insertions, 0 deletions

diff --git a/file.c b/file.c
new file mode 100644
index 0000000..b81e595
--- /dev/null
+++ b/file.c
@@ -0,0 +1,159 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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 <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+
+ConfigurationT
+parsefile(char* name, int* status)
+{
+	static ConfigurationT cfg;
+	FILE* file = NULL;
+	int state;
+	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.logfnam = NULL;
+
+	state = F_UNKNOWN;
+	
+	file = fopen(name, "r");
+	if (file == NULL) {
+		return cfg;
+	}
+
+	while (fgets(buff, 256, file) != NULL) {
+		helpbuf1[0] = 0;
+		sscanf(buff, "%s", helpbuf1);
+		if (strcmp(helpbuf1, "newrealm")==0) {
+			++cfg.size;
+		}
+	}
+	rewind(file);
+	
+	cfg.realmtable = calloc(cfg.size, sizeof(RealmT));
+	cfg.size = 0;
+	*status = 0;
+
+	while (fgets(buff, 256, file) != NULL) {
+		(*status)++;
+		state = sscanf(buff, "%s %s", helpbuf1, helpbuf2);
+			if (helpbuf1[0] == '#') {
+				memset(buff, 0, 256);
+				continue;
+			}
+			if (state == 1) {
+				if (strcmp(helpbuf1, "newrealm")==0) {
+					++cfg.size;
+				}
+				else {
+					return cfg;
+				}
+			}
+			else if (state == 2) {
+				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 = 2;
+					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 (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].lisportnum = calloc(strlen(helpbuf2)+1, 
+							sizeof(char));
+					strcpy(cfg.realmtable[cfg.size-1].lisportnum, helpbuf2);
+				}
+				else if (strcmp(helpbuf1, "manage")==0) {
+					cfg.realmtable[cfg.size-1].manportnum = calloc(strlen(helpbuf2)+1, 
+							sizeof(char));
+					strcpy(cfg.realmtable[cfg.size-1].manportnum, helpbuf2);
+				}
+				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, "type")==0) {
+					if (cfg.realmtable[cfg.size-1].type != 0) {
+						return cfg;
+					}
+					if (strcmp(helpbuf2, "tcp")==0) {
+						cfg.realmtable[cfg.size-1].type = 1;
+					}
+					else if (strcmp(helpbuf2, "udp")==0) {
+						cfg.realmtable[cfg.size-1].type = 2;
+					}
+					else {
+						return cfg;
+					}
+				}
+				else {
+					return cfg;
+				}
+			}
+			memset(buff, 0, 256);
+		}
+
+	fclose(file);
+	
+	*status = 0;
+	return cfg;
+}
+