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[or-cvs] add DirBindAddress, parse the BindAddress"s when you bind



Update of /home/or/cvsroot/src/or
In directory moria.mit.edu:/home2/arma/work/onion/cvs/src/or

Modified Files:
	config.c connection.c main.c or.h 
Log Message:
add DirBindAddress, parse the BindAddress's when you bind
exit if bind fails
add usage printfs
rearrange config options for readability


Index: config.c
===================================================================
RCS file: /home/or/cvsroot/src/or/config.c,v
retrieving revision 1.63
retrieving revision 1.64
diff -u -d -r1.63 -r1.64
--- config.c	22 Oct 2003 07:55:44 -0000	1.63
+++ config.c	25 Oct 2003 12:01:09 -0000	1.64
@@ -151,41 +151,51 @@
     /* order matters here! abbreviated arguments use the first match. */
 
     /* string options */
-    config_compare(list, "LogLevel",       CONFIG_TYPE_STRING, &options->LogLevel) ||
-    config_compare(list, "LogFile",        CONFIG_TYPE_STRING, &options->LogFile) ||
+    config_compare(list, "Address",        CONFIG_TYPE_STRING, &options->Address) ||
+
+    config_compare(list, "CoinWeight",     CONFIG_TYPE_DOUBLE, &options->CoinWeight) ||
+
     config_compare(list, "DebugLogFile",   CONFIG_TYPE_STRING, &options->DebugLogFile) ||
     config_compare(list, "DataDirectory",  CONFIG_TYPE_STRING, &options->DataDirectory) ||
-    config_compare(list, "RouterFile",     CONFIG_TYPE_STRING, &options->RouterFile) ||
-    config_compare(list, "PidFile",        CONFIG_TYPE_STRING, &options->PidFile) ||
-    config_compare(list, "Nickname",       CONFIG_TYPE_STRING, &options->Nickname) ||
-    config_compare(list, "Address",        CONFIG_TYPE_STRING, &options->Address) ||
+    config_compare(list, "DirPort",        CONFIG_TYPE_INT, &options->DirPort) ||
+    config_compare(list, "DirBindAddress", CONFIG_TYPE_STRING, &options->DirBindAddress) ||
+    config_compare(list, "DirFetchPostPeriod",CONFIG_TYPE_INT, &options->DirFetchPostPeriod) ||
+
     config_compare(list, "ExitPolicy",     CONFIG_TYPE_STRING, &options->ExitPolicy) ||
-    config_compare(list, "SocksBindAddress",CONFIG_TYPE_STRING,&options->SocksBindAddress) ||
-    config_compare(list, "ORBindAddress",  CONFIG_TYPE_STRING, &options->ORBindAddress) ||
-    config_compare(list, "User",           CONFIG_TYPE_STRING, &options->User) ||
+
     config_compare(list, "Group",          CONFIG_TYPE_STRING, &options->Group) ||
 
-    /* int options */
-    config_compare(list, "MaxConn",         CONFIG_TYPE_INT, &options->MaxConn) ||
-    config_compare(list, "SocksPort",       CONFIG_TYPE_INT, &options->SocksPort) ||
-    config_compare(list, "ORPort",          CONFIG_TYPE_INT, &options->ORPort) ||
-    config_compare(list, "DirPort",         CONFIG_TYPE_INT, &options->DirPort) ||
-    config_compare(list, "DirFetchPostPeriod",CONFIG_TYPE_INT, &options->DirFetchPostPeriod) ||
-    config_compare(list, "KeepalivePeriod", CONFIG_TYPE_INT, &options->KeepalivePeriod) ||
+    config_compare(list, "IgnoreVersion",  CONFIG_TYPE_BOOL, &options->IgnoreVersion) ||
+
+    config_compare(list, "KeepalivePeriod",CONFIG_TYPE_INT, &options->KeepalivePeriod) ||
+
+    config_compare(list, "LogLevel",       CONFIG_TYPE_STRING, &options->LogLevel) ||
+    config_compare(list, "LogFile",        CONFIG_TYPE_STRING, &options->LogFile) ||
+    config_compare(list, "LinkPadding",    CONFIG_TYPE_BOOL, &options->LinkPadding) ||
+
+    config_compare(list, "MaxConn",        CONFIG_TYPE_INT, &options->MaxConn) ||
     config_compare(list, "MaxOnionsPending",CONFIG_TYPE_INT, &options->MaxOnionsPending) ||
+
+    config_compare(list, "Nickname",       CONFIG_TYPE_STRING, &options->Nickname) ||
     config_compare(list, "NewCircuitPeriod",CONFIG_TYPE_INT, &options->NewCircuitPeriod) ||
-    config_compare(list, "TotalBandwidth",  CONFIG_TYPE_INT, &options->TotalBandwidth) ||
-    config_compare(list, "NumCpus",         CONFIG_TYPE_INT, &options->NumCpus) ||
+    config_compare(list, "NumCpus",        CONFIG_TYPE_INT, &options->NumCpus) ||
 
-    config_compare(list, "OnionRouter",     CONFIG_TYPE_BOOL, &options->OnionRouter) ||
-    config_compare(list, "TrafficShaping",  CONFIG_TYPE_BOOL, &options->TrafficShaping) ||
-    config_compare(list, "LinkPadding",     CONFIG_TYPE_BOOL, &options->LinkPadding) ||
-    config_compare(list, "IgnoreVersion",   CONFIG_TYPE_BOOL, &options->IgnoreVersion) ||
-    config_compare(list, "RunAsDaemon",     CONFIG_TYPE_BOOL, &options->RunAsDaemon) ||
+    config_compare(list, "ORPort",         CONFIG_TYPE_INT, &options->ORPort) ||
+    config_compare(list, "ORBindAddress",  CONFIG_TYPE_STRING, &options->ORBindAddress) ||
+    config_compare(list, "OnionRouter",    CONFIG_TYPE_BOOL, &options->OnionRouter) ||
 
-    /* float options */
-    config_compare(list, "CoinWeight",     CONFIG_TYPE_DOUBLE, &options->CoinWeight)
+    config_compare(list, "PidFile",        CONFIG_TYPE_STRING, &options->PidFile) ||
+
+    config_compare(list, "RouterFile",     CONFIG_TYPE_STRING, &options->RouterFile) ||
+    config_compare(list, "RunAsDaemon",    CONFIG_TYPE_BOOL, &options->RunAsDaemon) ||
+
+    config_compare(list, "SocksPort",      CONFIG_TYPE_INT, &options->SocksPort) ||
+    config_compare(list, "SocksBindAddress",CONFIG_TYPE_STRING,&options->SocksBindAddress) ||
+
+    config_compare(list, "TotalBandwidth", CONFIG_TYPE_INT, &options->TotalBandwidth) ||
+    config_compare(list, "TrafficShaping", CONFIG_TYPE_BOOL, &options->TrafficShaping) ||
 
+    config_compare(list, "User",           CONFIG_TYPE_STRING, &options->User)
     ) {
       /* then we're ok. it matched something. */
     } else {
@@ -196,8 +206,22 @@
   }  
 }
 
+/* prints the usage of tor. */
 void print_usage(void) {
-
+  printf("tor -f <torrc> [args]\n"
+         "-d <file>\t\tDebug file\n"
+         "-e <policy>\t\tExit policy\n"
+         "-l <level>\t\tLog level\n"
+         "-m <max>\t\tMax number of connections\n"
+         "-s <IP>\t\t\tAddress to bind to for Socks\n"
+         );
+  /* split things up to be ANSI compliant */
+  printf("-n <nick>\t\tNickname of router\n"
+         "-o <port>\t\tOR port to bind to\n"
+         "-p <file>\t\tPID file\n"
+         "-r <file>\t\tRouter config file\n"
+         "-t <bandwidth>\t\tTotal bandwidth\n"
+         );
 }
 
 void free_options(or_options_t *options) {
@@ -212,6 +236,7 @@
   tor_free(options->ExitPolicy);
   tor_free(options->SocksBindAddress);
   tor_free(options->ORBindAddress);
+  tor_free(options->DirBindAddress);
   tor_free(options->User);
   tor_free(options->Group);
 }
@@ -223,6 +248,7 @@
   options->ExitPolicy = tor_strdup("reject 127.0.0.1:*");
   options->SocksBindAddress = tor_strdup("127.0.0.1");
   options->ORBindAddress = tor_strdup("0.0.0.0");
+  options->DirBindAddress = tor_strdup("0.0.0.0");
   options->loglevel = LOG_INFO;
   options->PidFile = tor_strdup("tor.pid");
   options->DataDirectory = NULL;

Index: connection.c
===================================================================
RCS file: /home/or/cvsroot/src/or/connection.c,v
retrieving revision 1.125
retrieving revision 1.126
diff -u -d -r1.125 -r1.126
--- connection.c	22 Oct 2003 07:55:44 -0000	1.125
+++ connection.c	25 Oct 2003 12:01:09 -0000	1.126
@@ -123,28 +123,40 @@
   free(conn);
 }
 
-int connection_create_listener(struct sockaddr_in *bindaddr, int type) {
+int connection_create_listener(char *bindaddress, uint16_t bindport, int type) {
+  struct sockaddr_in bindaddr; /* where to bind */
+  struct hostent *rent;
   connection_t *conn;
-  int s;
+  int s; /* the socket we're going to make */
   int one=1;
 
+  memset(&bindaddr,0,sizeof(struct sockaddr_in));
+  bindaddr.sin_family = AF_INET;
+  bindaddr.sin_port = htons(bindport);
+  rent = gethostbyname(bindaddress);
+  if (!rent) {
+    log_fn(LOG_WARN,"Can't resolve BindAddress %s",bindaddress);
+    return -1;
+  }
+  if(rent->h_length != 4)
+    return -1; /* XXX complain */
+  memcpy(&(bindaddr.sin_addr.s_addr),rent->h_addr,rent->h_length);
+
   s = socket(PF_INET,SOCK_STREAM,IPPROTO_TCP);
   if (s < 0) { 
     log_fn(LOG_WARN,"Socket creation failed.");
     return -1;
   }
 
-  setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (void*)&one, sizeof(one));
+  setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
 
-  if(bind(s,(struct sockaddr *)bindaddr,sizeof(*bindaddr)) < 0) {
-    log(LOG_WARN,"Could not bind to port %u: %s",ntohs(bindaddr->sin_port),
-        strerror(errno));
+  if(bind(s,(struct sockaddr *)&bindaddr,sizeof(bindaddr)) < 0) {
+    log_fn(LOG_WARN,"Could not bind to port %u: %s",bindport,strerror(errno));
     return -1;
   }
 
   if(listen(s,SOMAXCONN) < 0) {
-    log(LOG_WARN,"Could not listen on port %u: %s",ntohs(bindaddr->sin_port),
-        strerror(errno));
+    log_fn(LOG_WARN,"Could not listen on port %u: %s",bindport,strerror(errno));
     return -1;
   }
 
@@ -159,7 +171,7 @@
     return -1;
   }
 
-  log_fn(LOG_DEBUG,"%s listening on port %u.",conn_type_to_string[type], ntohs(bindaddr->sin_port));
+  log_fn(LOG_DEBUG,"%s listening on port %u.",conn_type_to_string[type], bindport);
 
   conn->state = LISTENER_STATE_READY;
   connection_start_reading(conn);
@@ -275,37 +287,28 @@
 }
 
 /* start all connections that should be up but aren't */
-int retry_all_connections(uint16_t or_listenport, uint16_t ap_listenport, uint16_t dir_listenport) {
-  struct sockaddr_in bindaddr; /* where to bind */
+int retry_all_connections(void) {
 
-  if(or_listenport) {
+  if(options.ORPort) {
     router_retry_connections();
   }
 
-  memset(&bindaddr,0,sizeof(struct sockaddr_in));
-  bindaddr.sin_family = AF_INET;
-  bindaddr.sin_addr.s_addr = htonl(INADDR_ANY); /* anyone can connect */
-
-  if(or_listenport) {
-    bindaddr.sin_port = htons(or_listenport);
-    if(!connection_get_by_type(CONN_TYPE_OR_LISTENER)) {
-      connection_create_listener(&bindaddr, CONN_TYPE_OR_LISTENER);
-    }
+  if(options.ORPort && !connection_get_by_type(CONN_TYPE_OR_LISTENER)) {
+    if(connection_create_listener(options.ORBindAddress, options.ORPort,
+                                  CONN_TYPE_OR_LISTENER) < 0)
+      return -1;
   }
 
-  if(dir_listenport) {
-    bindaddr.sin_port = htons(dir_listenport);
-    if(!connection_get_by_type(CONN_TYPE_DIR_LISTENER)) {
-      connection_create_listener(&bindaddr, CONN_TYPE_DIR_LISTENER);
-    }
+  if(options.DirPort && !connection_get_by_type(CONN_TYPE_DIR_LISTENER)) {
+    if(connection_create_listener(options.DirBindAddress, options.DirPort,
+                                  CONN_TYPE_DIR_LISTENER) < 0)
+      return -1;
   }
  
-  if(ap_listenport) {
-    bindaddr.sin_port = htons(ap_listenport);
-    bindaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); /* the AP listens only on localhost! */
-    if(!connection_get_by_type(CONN_TYPE_AP_LISTENER)) {
-      connection_create_listener(&bindaddr, CONN_TYPE_AP_LISTENER);
-    }
+  if(options.SocksPort && !connection_get_by_type(CONN_TYPE_AP_LISTENER)) {
+    if(connection_create_listener(options.SocksBindAddress, options.SocksPort,
+                                  CONN_TYPE_AP_LISTENER) < 0)
+      return -1;
   }
 
   return 0;

Index: main.c
===================================================================
RCS file: /home/or/cvsroot/src/or/main.c,v
retrieving revision 1.141
retrieving revision 1.142
diff -u -d -r1.141 -r1.142
--- main.c	22 Oct 2003 11:21:29 -0000	1.141
+++ main.c	25 Oct 2003 12:01:09 -0000	1.142
@@ -594,9 +594,10 @@
    * non-zero. This is where we try to connect to all the other ORs,
    * and start the listeners.
    */
-  retry_all_connections((uint16_t) options.ORPort,
-                        (uint16_t) options.SocksPort,
-                        (uint16_t) options.DirPort);
+  if(retry_all_connections() < 0) {
+    log_fn(LOG_ERR,"Failed to bind one of the listener ports.");
+    return -1;
+  }
 
   for(;;) {
 #ifndef MS_WINDOWS /* do signal stuff only on unix */

Index: or.h
===================================================================
RCS file: /home/or/cvsroot/src/or/or.h,v
retrieving revision 1.173
retrieving revision 1.174
diff -u -d -r1.173 -r1.174
--- or.h	22 Oct 2003 09:08:10 -0000	1.173
+++ or.h	25 Oct 2003 12:01:09 -0000	1.174
@@ -101,7 +101,7 @@
 #include "../common/log.h"
 #include "../common/util.h"
 
-#define RECOMMENDED_SOFTWARE_VERSIONS "0.0.2pre8,0.0.2pre9,0.0.2pre10,0.0.2pre11,0.0.2pre12,0.0.2pre13,0.0.2pre14"
+#define RECOMMENDED_SOFTWARE_VERSIONS "0.0.2pre13,0.0.2pre14"
 
 #define MAXCONNECTIONS 1000 /* upper bound on max connections.
                               can be lowered by config file */
@@ -420,41 +420,42 @@
 typedef struct circuit_t circuit_t;
 
 typedef struct {
-   char *LogLevel;
-   char *LogFile;
-   char *DebugLogFile;
-   char *DataDirectory;
-   char *RouterFile;
-   char *Nickname;
-   char *Address;
-   char *PidFile;
-   char *ExitPolicy;
-   char *SocksBindAddress;
-   char *ORBindAddress;
-   char *User;
-   char *Group;
-   double CoinWeight;
-   int ORPort;
-   int SocksPort;
-   int DirPort;
-   int MaxConn;
-   int OnionRouter;
-   int TrafficShaping;
-   int LinkPadding;
-   int IgnoreVersion;
-   int RunAsDaemon;
-   int DirRebuildPeriod;
-   int DirFetchPostPeriod;
-   int KeepalivePeriod;
-   int MaxOnionsPending;
-   int NewCircuitPeriod;
-   int TotalBandwidth;
-   int NumCpus;
-   int Role;
-   int loglevel;
+  char *LogLevel;
+  char *LogFile;
+  char *DebugLogFile;
+  char *DataDirectory;
+  char *RouterFile;
+  char *Nickname;
+  char *Address;
+  char *PidFile;
+  char *ExitPolicy;
+  char *SocksBindAddress;
+  char *ORBindAddress;
+  char *DirBindAddress;
+  char *User;
+  char *Group;
+  double CoinWeight;
+  int ORPort;
+  int SocksPort;
+  int DirPort;
+  int MaxConn;
+  int OnionRouter;
+  int TrafficShaping;
+  int LinkPadding;
+  int IgnoreVersion;
+  int RunAsDaemon;
+  int DirRebuildPeriod;
+  int DirFetchPostPeriod;
+  int KeepalivePeriod;
+  int MaxOnionsPending;
+  int NewCircuitPeriod;
+  int TotalBandwidth;
+  int NumCpus;
+  int Role;
+  int loglevel;
 } or_options_t;
 
-    /* all the function prototypes go here */
+/* all the function prototypes go here */
 
 /********************************* buffers.c ***************************/
 
@@ -546,10 +547,10 @@
 connection_t *connection_new(int type);
 void connection_free(connection_t *conn);
 
-int connection_create_listener(struct sockaddr_in *bindaddr, int type);
+int connection_create_listener(char *bindaddress, uint16_t bindport, int type);
 
 int connection_connect(connection_t *conn, char *address, uint32_t addr, uint16_t port);
-int retry_all_connections(uint16_t or_listenport, uint16_t ap_listenport, uint16_t dir_listenport);
+int retry_all_connections(void);
 
 int connection_handle_read(connection_t *conn);
 int connection_read_to_buf(connection_t *conn);