- dtucker@cvs.openbsd.org 2013/02/22 04:45:09

     [ssh.c readconf.c readconf.h]
     Don't complain if IdentityFiles specified in system-wide configs are
     missing.  ok djm, deraadt

4 files changed, 23 insertions, 12 deletions

diff --git a/ChangeLog b/ChangeLog
index 4a1144ab..327615d6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,6 +8,10 @@
    - dtucker@cvs.openbsd.org 2013/02/19 02:12:47
      [krl.c]
      Remove bogus include.  ok djm
+   - dtucker@cvs.openbsd.org 2013/02/22 04:45:09
+     [ssh.c readconf.c readconf.h]
+     Don't complain if IdentityFiles specified in system-wide configs are
+     missing.  ok djm, deraadt.
 
 20130401
  - (dtucker) [openbsd-compat/bsd-cygwin_util.{c,h}] Don't include windows.h
diff --git a/readconf.c b/readconf.c
index 6f978f82..36265e43 100644
--- a/readconf.c
+++ b/readconf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: readconf.c,v 1.195 2013/02/17 23:16:57 dtucker Exp $ */
+/* $OpenBSD: readconf.c,v 1.196 2013/02/22 04:45:08 dtucker Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -373,7 +373,7 @@ parse_token(const char *cp, const char *filename, int linenum)
 int
 process_config_line(Options *options, const char *host,
 		    char *line, const char *filename, int linenum,
-		    int *activep)
+		    int *activep, int userconfig)
 {
 	char *s, **charptr, *endofnumber, *keyword, *arg, *arg2;
 	char **cpptr, fwdarg[256];
@@ -606,7 +606,7 @@ parse_yesnoask:
 			if (*intptr >= SSH_MAX_IDENTITY_FILES)
 				fatal("%.200s line %d: Too many identity files specified (max %d).",
 				    filename, linenum, SSH_MAX_IDENTITY_FILES);
-			add_identity_file(options, NULL, arg, 1);
+			add_identity_file(options, NULL, arg, userconfig);
 		}
 		break;
 
@@ -1093,7 +1093,7 @@ parse_int:
 
 int
 read_config_file(const char *filename, const char *host, Options *options,
-    int checkperm)
+    int flags)
 {
 	FILE *f;
 	char line[1024];
@@ -1103,7 +1103,7 @@ read_config_file(const char *filename, const char *host, Options *options,
 	if ((f = fopen(filename, "r")) == NULL)
 		return 0;
 
-	if (checkperm) {
+	if (flags & SSHCONF_CHECKPERM) {
 		struct stat sb;
 
 		if (fstat(fileno(f), &sb) == -1)
@@ -1124,7 +1124,8 @@ read_config_file(const char *filename, const char *host, Options *options,
 	while (fgets(line, sizeof(line), f)) {
 		/* Update line number counter. */
 		linenum++;
-		if (process_config_line(options, host, line, filename, linenum, &active) != 0)
+		if (process_config_line(options, host, line, filename, linenum,
+		    &active, flags & SSHCONF_USERCONF) != 0)
 			bad_options++;
 	}
 	fclose(f);
diff --git a/readconf.h b/readconf.h
index 35f59662..84164890 100644
--- a/readconf.h
+++ b/readconf.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: readconf.h,v 1.92 2013/02/17 23:16:57 dtucker Exp $ */
+/* $OpenBSD: readconf.h,v 1.93 2013/02/22 04:45:09 dtucker Exp $ */
 
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
@@ -149,13 +149,17 @@ typedef struct {
 #define REQUEST_TTY_YES		2
 #define REQUEST_TTY_FORCE	3
 
+#define SSHCONF_CHECKPERM	1  /* check permissions on config file */
+#define SSHCONF_USERCONF	2  /* user provided config file not system */
+
 void     initialize_options(Options *);
 void     fill_default_options(Options *);
 int	 read_config_file(const char *, const char *, Options *, int);
 int	 parse_forward(Forward *, const char *, int, int);
 
 int
-process_config_line(Options *, const char *, char *, const char *, int, int *);
+process_config_line(Options *, const char *, char *, const char *, int, int *,
+    int);
 
 void	 add_local_forward(Options *, const Forward *);
 void	 add_remote_forward(Options *, const Forward *);
diff --git a/ssh.c b/ssh.c
index 8a7aea09..5d3f492f 100644
--- a/ssh.c
+++ b/ssh.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh.c,v 1.371 2013/02/17 23:16:57 dtucker Exp $ */
+/* $OpenBSD: ssh.c,v 1.372 2013/02/22 04:45:09 dtucker Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -579,7 +579,8 @@ main(int ac, char **av)
 			dummy = 1;
 			line = xstrdup(optarg);
 			if (process_config_line(&options, host ? host : "",
-			    line, "command-line", 0, &dummy) != 0)
+			    line, "command-line", 0, &dummy, SSHCONF_USERCONF)
+			    != 0)
 				exit(255);
 			xfree(line);
 			break;
@@ -673,14 +674,15 @@ main(int ac, char **av)
 	 * file if the user specifies a config file on the command line.
 	 */
 	if (config != NULL) {
-		if (!read_config_file(config, host, &options, 0))
+		if (!read_config_file(config, host, &options, SSHCONF_USERCONF))
 			fatal("Can't open user config file %.100s: "
 			    "%.100s", config, strerror(errno));
 	} else {
 		r = snprintf(buf, sizeof buf, "%s/%s", pw->pw_dir,
 		    _PATH_SSH_USER_CONFFILE);
 		if (r > 0 && (size_t)r < sizeof(buf))
-			(void)read_config_file(buf, host, &options, 1);
+			(void)read_config_file(buf, host, &options,
+			     SSHCONF_CHECKPERM|SSHCONF_USERCONF);
 
 		/* Read systemwide configuration file after user config. */
 		(void)read_config_file(_PATH_HOST_CONFIG_FILE, host,