if the default torrc isn't there, just use some default defaults

plus provide an internal dirservers file if they don't have one

having no config files will make it easier to run on windows


svn:r1124

1 files changed, 123 insertions, 13 deletions

diff --git a/src/or/config.c b/src/or/config.c
index 713a58508..e3ee6a5e2 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -210,6 +210,112 @@ static void config_assign(or_options_t *options, struct config_line *list) {
   }
 }
 
+/* XXX are there any other specifiers we want to give so making
+ * a several-thousand-byte string is less painful? */
+const char default_dirservers_string[] =
+"router moria1 moria.mit.edu 9001 9021 9031 800000\n"
+"platform Tor 0.0.2pre8 on Linux moria.mit.edu 2.4.18-27.7.xbigmem #1 SMP Fri Mar 14 05:08:50 EST 2003 i686\n"
+"published 2003-09-30 23:14:08\n"
+"onion-key\n"
+"-----BEGIN RSA PUBLIC KEY-----\n"
+"MIGJAoGBANoIvHieyHUTzIacbnWOnyTyzGrLOdXqbcjz2GGMxyHEd5K1bO1ZBNHP\n"
+"9i5qLQpN5viFk2K2rEGuG8tFgDEzSWZEtBqv3NVfUdiumdERWMBwlaQ0MVK4C+jf\n"
+"y5gZ8KI3o9ZictgPS1AQF+Kk932/vIHTuRIUKb4ILTnQilNvID0NAgMBAAE=\n"
+"-----END RSA PUBLIC KEY-----\n"
+"link-key\n"
+"-----BEGIN RSA PUBLIC KEY-----\n"
+"MIGJAoGBAPt97bGDd9siVjPd7Xuq2s+amMEOLIj9961aSdP6/OT+BS1Q4TX2dNOX\n"
+"ZNAl63Z2fQISsR81+nfoqRLYCKxhajsD7LRvRTaRwUrWemVqFevmZ4nJrHw6FoU3\n"
+"xNUIHRMA8X2DZ+l5qgnWZb7JU50ohhX5OpMSyysXnik51J8hD5mBAgMBAAE=\n"
+"-----END RSA PUBLIC KEY-----\n"
+"signing-key\n"
+"-----BEGIN RSA PUBLIC KEY-----\n"
+"MIGJAoGBAMHa0ZC/jo2Q2DrwKYF/6ZbmZ27PFYG91u4gUzzmZ/VXLpZ8wNzEV3oW\n"
+"nt+I61048fBiC1frT1/DZ351n2bLSk9zJbB6jyGZJn0380FPRX3+cXyXS0Gq8Ril\n"
+"xkhMQf5XuNFUb8UmYPSOH4WErjvYjKvU+gfjbK/82Jo9SuHpYz+BAgMBAAE=\n"
+"-----END RSA PUBLIC KEY-----\n"
+"router-signature\n"
+"-----BEGIN SIGNATURE-----\n"
+"Td3zb5d6uxO8oYGlmEHGzIdLuVm9s1Afqtm29JvRnnviQ36j6FZPlzPUaMVOUayn\n"
+"Wtz/CbaMj7mHSufpQ68wCLb1lQrtQkn7MkAWcQPIvZjpYh3UrcWrpfm7f/D+nKeN\n"
+"Z7UovF36xhCacjATNHhQNHHZHH6yONwN+Rf/N4kyPHw=\n"
+"-----END SIGNATURE-----\n"
+"\n"
+"router moria2 moria.mit.edu 9002 9022 9032 800000\n"
+"platform Tor 0.0.2pre8 on Linux moria.mit.edu 2.4.18-27.7.xbigmem #1 SMP Fri Mar 14 05:08:50 EST 2003 i686\n"
+"published 2003-09-30 23:14:05\n"
+"onion-key\n"
+"-----BEGIN RSA PUBLIC KEY-----\n"
+"MIGJAoGBAM4Cc/npgYC54XrYLC+grVxJp7PDmNO2DRRJOxKttBBtvLpnR1UaueTi\n"
+"kyknT5kmlx+ihgZF/jmye//2dDUp2+kK/kSkpRV4xnDLXZmed+sNSQxqmm9TtZQ9\n"
+"/hjpxhp5J9HmUTYhntBs+4E4CUKokmrI6oRLoln4SA39AX9QLPcnAgMBAAE=\n"
+"-----END RSA PUBLIC KEY-----\n"
+"link-key\n"
+"-----BEGIN RSA PUBLIC KEY-----\n"
+"MIGJAoGBAN7JVeCIJ7+0ZJew5ScOU58rTUqjGt1Z1Rkursc7WabEb8jno45VZwIs\n"
+"dkjnl31i36KHyyS7kQdHgkvG5EiyZiRipFAcoTaYv3Gvf1No9cXL6IhT3y/37dJ/\n"
+"kFPEMb/G2wdkJCC+D8fMwHBwMuqAg0JGuhoBOz0ArCgK3fq0BLilAgMBAAE=\n"
+"-----END RSA PUBLIC KEY-----\n"
+"signing-key\n"
+"-----BEGIN RSA PUBLIC KEY-----\n"
+"MIGJAoGBAOcrht/y5rkaahfX7sMe2qnpqoPibsjTSJaDvsUtaNP/Bq0MgNDGOR48\n"
+"rtwfqTRff275Edkp/UYw3G3vSgKCJr76/bqOHCmkiZrnPV1zxNfrK18gNw2Cxre0\n"
+"nTA+fD8JQqpPtb8b0SnG9kwy75eS//sRu7TErie2PzGMxrf9LH0LAgMBAAE=\n"
+"-----END RSA PUBLIC KEY-----\n"
+"router-signature\n"
+"-----BEGIN SIGNATURE-----\n"
+"X10a9Oc0LKNYKLDVzjRTIVT3NnE0y+xncllDDHSJSXR97fz3MBHGDqhy0Vgha/fe\n"
+"H/Y2E59oG01lYQ73j3JN+ibsCMtkzJDx2agCpV0LmakAD9ekHrYDWm/S41Ru6kf+\n"
+"PsyHpXlh7cZuGEX4U1pblSDFrQZ9L1vTkpfW+COzEvI=\n"
+"-----END SIGNATURE-----\n"
+"\n"
+"router moria3 moria.mit.edu 9003 9023 9033 800000\n"
+"platform Tor 0.0.2pre8 on Linux moria.mit.edu 2.4.18-27.7.xbigmem #1 SMP Fri Mar 14 05:08:50 EST 2003 i686\n"
+"published 2003-09-30 23:14:07\n"
+"onion-key\n"
+"-----BEGIN RSA PUBLIC KEY-----\n"
+"MIGJAoGBANS6J/Er9fYo03fjUUVesc7We9Z6xIevyDJH39pYS4NUlcr5ExYgSVFJ\n"
+"95aLCNx1x8Rf5YtiBKYuT3plBO/+rfuX+0iAGNkz/y3SlJVGz6aeptU3wN8CkvCL\n"
+"zATEcnl4QSPhHX0wFB9A3t7wZ+Bat1PTI029lax/BkoS9JG5onHPAgMBAAE=\n"
+"-----END RSA PUBLIC KEY-----\n"
+"link-key\n"
+"-----BEGIN RSA PUBLIC KEY-----\n"
+"MIGJAoGBAKUMY8p+7LBu7dEJnOR9HqbfcD6c4/f9GqJt3o29uu4XJPD8z2XGVBik\n"
+"pZBLijhYS6U7GFg0NLR4zBlsLyB8TxHeaz5KJidJjy+BfC01jz1xwVTYDlmGVpc1\n"
+"0mw0Ag0ND6aOQKKhelxhTI3Bf0R9olEXuSUKEWx3EMIz2qhLd9oDAgMBAAE=\n"
+"-----END RSA PUBLIC KEY-----\n"
+"signing-key\n"
+"-----BEGIN RSA PUBLIC KEY-----\n"
+"MIGJAoGBAMqgq83cwzSid2LSvzsn2rvkD8U0tWvqF6PuQAsKP3QHFqtBO+66pnIm\n"
+"CbiY2e6o01tmR47t557LuUCodEc8Blggxjg3ZEzvP42hsGB9LwQbcrU7grPRk0G0\n"
+"IltsOF9TZ+66gCeU7LxExLdAMqT2Tx6VT4IREPJMeNxSiceEjbABAgMBAAE=\n"
+"-----END RSA PUBLIC KEY-----\n"
+"router-signature\n"
+"-----BEGIN SIGNATURE-----\n"
+"GWpK2Ux/UwDaNUHwq+Xn7denyYFGS8SIWwqiMgHyUzc5wj1t2gWubJ/rMyGL59U3\n"
+"o6L/9qV34aa5UyNNBHXwYkxy7ixgPURaRYpAbkQKPU3ew8BgNXG/MNLYllIUkrbb\n"
+"h6G5u8RGbto+Nby/OjIh9TqdgK/B1sOdwAHI/IXiDoY=\n"
+"-----END SIGNATURE-----\n"
+;
+
+/* Call this function when they're using the default torrc but
+ * we can't find it. For now, just hard-code what comes in the
+ * default torrc.
+ */
+static int config_assign_default(or_options_t *options) {
+
+  /* set them up as a client only */
+  options->SocksPort = 9050;
+
+  /* plus give them a dirservers file */
+  if(router_set_routerlist_from_string(default_dirservers_string) < 0) {
+    log_fn(LOG_WARN,"Bug: the default dirservers internal string is corrupt.");
+    return -1;
+  }
+
+  return 0;
+}
+
 /* prints the usage of tor. */
 void print_usage(void) {
   printf("tor -f <torrc> [args]\n"
@@ -289,6 +395,7 @@ int getconfig(int argc, char **argv, or_options_t *options) {
   static int backup_argc;
   char *previous_pidfile = NULL;
   int previous_runasdaemon = 0;
+  int using_default_torrc;
 
   if(first_load) { /* first time we're called. save commandline args */
     backup_argv = argv;
@@ -318,23 +425,31 @@ int getconfig(int argc, char **argv, or_options_t *options) {
   }
   if(i < argc-1) { /* we found one */
     fname = argv[i+1];
+    using_default_torrc = 0;
   } else { /* didn't find one, try CONFDIR */
     fname = CONFDIR "/torrc";
+    using_default_torrc = 1;
   }
   log(LOG_DEBUG,"Opening config file '%s'",fname);
 
   cf = config_open(fname);
   if(!cf) {
-    log(LOG_WARN, "Unable to open configuration file '%s'.",fname);
-    return -1;
+    if(using_default_torrc == 1) {
+      log(LOG_WARN, "Configuration file '%s' not found. Using defaults.",fname);
+      if(config_assign_default(options) < 0)
+        return -1;
+    } else {
+      log(LOG_WARN, "Unable to open configuration file '%s'.",fname);
+      return -1;
+    }
+  } else { /* it opened successfully. use it. */
+    cl = config_get_lines(cf);
+    if(!cl) return -1;
+    config_assign(options,cl);
+    config_free_lines(cl);
+    config_close(cf);
   }
 
-  cl = config_get_lines(cf);
-  if(!cl) return -1;
-  config_assign(options,cl);
-  config_free_lines(cl);
-  config_close(cf);
-
 /* go through command-line variables too */
   cl = config_get_commandlines(argc,argv);
   config_assign(options,cl);
@@ -370,11 +485,6 @@ int getconfig(int argc, char **argv, or_options_t *options) {
     }
   }
 
-  if(options->RouterFile == NULL) {
-    log(LOG_WARN,"RouterFile option required, but not found.");
-    result = -1;
-  }
-
   if(options->ORPort < 0) {
     log(LOG_WARN,"ORPort option can't be negative.");
     result = -1;