Vendor import of OpenSSH 3.9p1.

1 files changed, 44 insertions, 4 deletions

diff --git a/crypto/openssh/readconf.c b/crypto/openssh/readconf.c
index ce0d1f7..a4fe1fe 100644
--- a/crypto/openssh/readconf.c
+++ b/crypto/openssh/readconf.c
@@ -12,7 +12,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: readconf.c,v 1.128 2004/03/05 10:53:58 markus Exp $");
+RCSID("$OpenBSD: readconf.c,v 1.134 2004/07/11 17:48:47 deraadt Exp $");
 
 #include "ssh.h"
 #include "xmalloc.h"
@@ -106,6 +106,7 @@ typedef enum {
 	oEnableSSHKeysign, oRekeyLimit, oVerifyHostKeyDNS, oConnectTimeout,
 	oAddressFamily, oGssAuthentication, oGssDelegateCreds,
 	oServerAliveInterval, oServerAliveCountMax, oIdentitiesOnly,
+	oSendEnv, oControlPath, oControlMaster,
 	oDeprecated, oUnsupported
 } OpCodes;
 
@@ -193,6 +194,9 @@ static struct {
 	{ "addressfamily", oAddressFamily },
 	{ "serveraliveinterval", oServerAliveInterval },
 	{ "serveralivecountmax", oServerAliveCountMax },
+	{ "sendenv", oSendEnv },
+	{ "controlpath", oControlPath },
+	{ "controlmaster", oControlMaster },
 	{ NULL, oBadOption }
 };
 
@@ -749,6 +753,27 @@ parse_int:
 		intptr = &options->server_alive_count_max;
 		goto parse_int;
 
+	case oSendEnv:
+		while ((arg = strdelim(&s)) != NULL && *arg != '\0') {
+			if (strchr(arg, '=') != NULL)
+				fatal("%s line %d: Invalid environment name.",
+				    filename, linenum);
+			if (options->num_send_env >= MAX_SEND_ENV)
+				fatal("%s line %d: too many send env.",
+				    filename, linenum);
+			options->send_env[options->num_send_env++] =
+			    xstrdup(arg);
+		}
+		break;
+
+	case oControlPath:
+		charptr = &options->control_path;
+		goto parse_string;
+
+	case oControlMaster:
+		intptr = &options->control_master;
+		goto parse_yesnoask;
+
 	case oDeprecated:
 		debug("%s line %d: Deprecated option \"%s\"",
 		    filename, linenum, keyword);
@@ -779,7 +804,8 @@ parse_int:
  */
 
 int
-read_config_file(const char *filename, const char *host, Options *options)
+read_config_file(const char *filename, const char *host, Options *options,
+    int checkperm)
 {
 	FILE *f;
 	char line[1024];
@@ -787,10 +813,19 @@ read_config_file(const char *filename, const char *host, Options *options)
 	int bad_options = 0;
 
 	/* Open the file. */
-	f = fopen(filename, "r");
-	if (!f)
+	if ((f = fopen(filename, "r")) == NULL)
 		return 0;
 
+	if (checkperm) {
+		struct stat sb;
+
+		if (fstat(fileno(f), &sb) == -1)
+			fatal("fstat %s: %s", filename, strerror(errno));
+		if (((sb.st_uid != 0 && sb.st_uid != getuid()) ||
+		    (sb.st_mode & 022) != 0))
+			fatal("Bad owner or permissions on %s", filename);
+	}
+
 	debug("Reading configuration data %.200s", filename);
 
 	/*
@@ -879,6 +914,9 @@ initialize_options(Options * options)
 	options->verify_host_key_dns = -1;
 	options->server_alive_interval = -1;
 	options->server_alive_count_max = -1;
+	options->num_send_env = 0;
+	options->control_path = NULL;
+	options->control_master = -1;
 }
 
 /*
@@ -999,6 +1037,8 @@ fill_default_options(Options * options)
 		options->server_alive_interval = 0;
 	if (options->server_alive_count_max == -1)
 		options->server_alive_count_max = 3;
+	if (options->control_master == -1)
+		options->control_master = 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 */