X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/3867aa0affaccd191ff433656ce3ef9f8da3ad3b..6c3ccf07bc067c974783b2b46c3d7be13796cf41:/readconf.c

diff --git a/readconf.c b/readconf.c
index c3dc71e6..d4122080 100644
--- a/readconf.c
+++ b/readconf.c
@@ -12,7 +12,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: readconf.c,v 1.135 2005/03/01 10:09:52 djm Exp $");
+RCSID("$OpenBSD: readconf.c,v 1.140 2005/05/16 15:30:51 markus Exp $");
 
 #include "ssh.h"
 #include "xmalloc.h"
@@ -106,7 +106,7 @@ typedef enum {
 	oEnableSSHKeysign, oRekeyLimit, oVerifyHostKeyDNS, oConnectTimeout,
 	oAddressFamily, oGssAuthentication, oGssDelegateCreds,
 	oServerAliveInterval, oServerAliveCountMax, oIdentitiesOnly,
-	oSendEnv, oControlPath, oControlMaster,
+	oSendEnv, oControlPath, oControlMaster, oHashKnownHosts,
 	oDeprecated, oUnsupported
 } OpCodes;
 
@@ -197,6 +197,7 @@ static struct {
 	{ "sendenv", oSendEnv },
 	{ "controlpath", oControlPath },
 	{ "controlmaster", oControlMaster },
+	{ "hashknownhosts", oHashKnownHosts },
 	{ NULL, oBadOption }
 };
 
@@ -252,12 +253,14 @@ clear_forwardings(Options *options)
 	int i;
 
 	for (i = 0; i < options->num_local_forwards; i++) {
-		xfree(options->local_forwards[i].listen_host);
+		if (options->local_forwards[i].listen_host != NULL)
+			xfree(options->local_forwards[i].listen_host);
 		xfree(options->local_forwards[i].connect_host);
 	}
 	options->num_local_forwards = 0;
 	for (i = 0; i < options->num_remote_forwards; i++) {
-		xfree(options->remote_forwards[i].listen_host);
+		if (options->remote_forwards[i].listen_host != NULL)
+			xfree(options->remote_forwards[i].listen_host);
 		xfree(options->remote_forwards[i].connect_host);
 	}
 	options->num_remote_forwards = 0;
@@ -298,7 +301,7 @@ process_config_line(Options *options, const char *host,
 	Forward fwd;
 
 	/* Strip trailing whitespace */
-	for(len = strlen(line) - 1; len > 0; len--) {
+	for (len = strlen(line) - 1; len > 0; len--) {
 		if (strchr(WHITESPACE, line[len]) == NULL)
 			break;
 		line[len] = '\0';
@@ -740,6 +743,9 @@ parse_int:
 
 	case oAddressFamily:
 		arg = strdelim(&s);
+		if (!arg || *arg == '\0')
+			fatal("%s line %d: missing address family.",
+			    filename, linenum);
 		intptr = &options->address_family;
 		if (strcasecmp(arg, "inet") == 0)
 			value = AF_INET;
@@ -774,6 +780,8 @@ parse_int:
 			if (strchr(arg, '=') != NULL)
 				fatal("%s line %d: Invalid environment name.",
 				    filename, linenum);
+			if (!*activep)
+				continue;
 			if (options->num_send_env >= MAX_SEND_ENV)
 				fatal("%s line %d: too many send env.",
 				    filename, linenum);
@@ -790,6 +798,10 @@ parse_int:
 		intptr = &options->control_master;
 		goto parse_yesnoask;
 
+	case oHashKnownHosts:
+		intptr = &options->hash_known_hosts;
+		goto parse_flag;
+
 	case oDeprecated:
 		debug("%s line %d: Deprecated option \"%s\"",
 		    filename, linenum, keyword);
@@ -933,6 +945,7 @@ initialize_options(Options * options)
 	options->num_send_env = 0;
 	options->control_path = NULL;
 	options->control_master = -1;
+	options->hash_known_hosts = -1;
 }
 
 /*
@@ -1055,6 +1068,8 @@ fill_default_options(Options * options)
 		options->server_alive_count_max = 3;
 	if (options->control_master == -1)
 		options->control_master = 0;
+	if (options->hash_known_hosts == -1)
+		options->hash_known_hosts = 0;
 	/* options->proxy_command should not be set by default */
 	/* options->user will be set in the main program if appropriate */
 	/* options->hostname will be set in the main program if appropriate */