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nixpkgs/pkgs/tools/networking/openssh/fix-identity-warnings.patch
Eelco Dolstra 4d5ba15ea9 openssh: Update to 6.2p1
2013-04-12 15:27:13 +02:00

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https://bugzilla.mindrot.org/show_bug.cgi?id=2084
@@ -, +, @@
- dtucker@cvs.openbsd.org 2013/02/17 23:16:57
[readconf.c ssh.c readconf.h sshconnect2.c]
Keep track of which IndentityFile options were manually supplied and which
were default options, and don't warn if the latter are missing.
ok markus@
- 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.
Index: readconf.c
===================================================================
RCS file: /home/dtucker/openssh/cvs/openssh/readconf.c,v
--- a/readconf.c 2 Oct 2011 07:59:03 -0000 1.174
+++ b/readconf.c 5 Apr 2013 02:36:11 -0000
@@ -1,4 +1,4 @@
-/* $OpenBSD: readconf.c,v 1.194 2011/09/23 07:45:05 markus 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
@@ -326,6 +326,26 @@ clear_forwardings(Options *options)
options->tun_open = SSH_TUNMODE_NO;
}
+void
+add_identity_file(Options *options, const char *dir, const char *filename,
+ int userprovided)
+{
+ char *path;
+
+ if (options->num_identity_files >= SSH_MAX_IDENTITY_FILES)
+ fatal("Too many identity files specified (max %d)",
+ SSH_MAX_IDENTITY_FILES);
+
+ if (dir == NULL) /* no dir, filename is absolute */
+ path = xstrdup(filename);
+ else
+ (void)xasprintf(&path, "%.100s%.100s", dir, filename);
+
+ options->identity_file_userprovided[options->num_identity_files] =
+ userprovided;
+ options->identity_files[options->num_identity_files++] = path;
+}
+
/*
* Returns the number of the token pointed to by cp or oBadOption.
*/
@@ -353,7 +373,7 @@ parse_token(const char *cp, const char *
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];
@@ -586,9 +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);
- charptr = &options->identity_files[*intptr];
- *charptr = xstrdup(arg);
- *intptr = *intptr + 1;
+ add_identity_file(options, NULL, arg, userconfig);
}
break;
@@ -1075,7 +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];
@@ -1085,7 +1103,7 @@ read_config_file(const char *filename, c
if ((f = fopen(filename, "r")) == NULL)
return 0;
- if (checkperm) {
+ if (flags & SSHCONF_CHECKPERM) {
struct stat sb;
if (fstat(fileno(f), &sb) == -1)
@@ -1106,7 +1124,8 @@ read_config_file(const char *filename, c
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);
@@ -1280,30 +1299,17 @@ fill_default_options(Options * options)
options->protocol = SSH_PROTO_2;
if (options->num_identity_files == 0) {
if (options->protocol & SSH_PROTO_1) {
- len = 2 + strlen(_PATH_SSH_CLIENT_IDENTITY) + 1;
- options->identity_files[options->num_identity_files] =
- xmalloc(len);
- snprintf(options->identity_files[options->num_identity_files++],
- len, "~/%.100s", _PATH_SSH_CLIENT_IDENTITY);
+ add_identity_file(options, "~/",
+ _PATH_SSH_CLIENT_IDENTITY, 0);
}
if (options->protocol & SSH_PROTO_2) {
- len = 2 + strlen(_PATH_SSH_CLIENT_ID_RSA) + 1;
- options->identity_files[options->num_identity_files] =
- xmalloc(len);
- snprintf(options->identity_files[options->num_identity_files++],
- len, "~/%.100s", _PATH_SSH_CLIENT_ID_RSA);
-
- len = 2 + strlen(_PATH_SSH_CLIENT_ID_DSA) + 1;
- options->identity_files[options->num_identity_files] =
- xmalloc(len);
- snprintf(options->identity_files[options->num_identity_files++],
- len, "~/%.100s", _PATH_SSH_CLIENT_ID_DSA);
+ add_identity_file(options, "~/",
+ _PATH_SSH_CLIENT_ID_RSA, 0);
+ add_identity_file(options, "~/",
+ _PATH_SSH_CLIENT_ID_DSA, 0);
#ifdef OPENSSL_HAS_ECC
- len = 2 + strlen(_PATH_SSH_CLIENT_ID_ECDSA) + 1;
- options->identity_files[options->num_identity_files] =
- xmalloc(len);
- snprintf(options->identity_files[options->num_identity_files++],
- len, "~/%.100s", _PATH_SSH_CLIENT_ID_ECDSA);
+ add_identity_file(options, "~/",
+ _PATH_SSH_CLIENT_ID_ECDSA, 0);
#endif
}
}
Index: readconf.h
===================================================================
RCS file: /home/dtucker/openssh/cvs/openssh/readconf.h,v
--- a/readconf.h 2 Oct 2011 07:59:03 -0000 1.83
+++ b/readconf.h 5 Apr 2013 02:36:11 -0000
@@ -1,4 +1,4 @@
-/* $OpenBSD: readconf.h,v 1.91 2011/09/23 07:45:05 markus Exp $ */
+/* $OpenBSD: readconf.h,v 1.93 2013/02/22 04:45:09 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@@ -96,6 +96,7 @@ typedef struct {
int num_identity_files; /* Number of files for RSA/DSA identities. */
char *identity_files[SSH_MAX_IDENTITY_FILES];
+ int identity_file_userprovided[SSH_MAX_IDENTITY_FILES];
Key *identity_keys[SSH_MAX_IDENTITY_FILES];
/* Local TCP/IP forward requests. */
@@ -148,15 +149,20 @@ 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 *);
+void add_identity_file(Options *, const char *, const char *, int);
#endif /* READCONF_H */
Index: ssh.c
===================================================================
RCS file: /home/dtucker/openssh/cvs/openssh/ssh.c,v
--- a/ssh.c 6 Jul 2012 03:45:01 -0000 1.366
+++ b/ssh.c 5 Apr 2013 02:36:11 -0000
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh.c,v 1.370 2012/07/06 01:47:38 djm 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
@@ -405,12 +405,7 @@ main(int ac, char **av)
strerror(errno));
break;
}
- if (options.num_identity_files >=
- SSH_MAX_IDENTITY_FILES)
- fatal("Too many identity files specified "
- "(max %d)", SSH_MAX_IDENTITY_FILES);
- options.identity_files[options.num_identity_files++] =
- xstrdup(optarg);
+ add_identity_file(&options, NULL, optarg, 1);
break;
case 'I':
#ifdef ENABLE_PKCS11
@@ -584,7 +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;
@@ -678,14 +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,
Index: sshconnect2.c
===================================================================
RCS file: /home/dtucker/openssh/cvs/openssh/sshconnect2.c,v
--- a/sshconnect2.c 20 Mar 2013 01:55:15 -0000 1.184
+++ b/sshconnect2.c 5 Apr 2013 02:36:07 -0000
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshconnect2.c,v 1.191 2013/02/15 00:21:01 dtucker Exp $ */
+/* $OpenBSD: sshconnect2.c,v 1.192 2013/02/17 23:16:57 dtucker Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
* Copyright (c) 2008 Damien Miller. All rights reserved.
@@ -1384,7 +1384,7 @@ pubkey_prepare(Authctxt *authctxt)
id = xcalloc(1, sizeof(*id));
id->key = key;
id->filename = xstrdup(options.identity_files[i]);
- id->userprovided = 1;
+ id->userprovided = options.identity_file_userprovided[i];
TAILQ_INSERT_TAIL(&files, id, next);
}
/* Prefer PKCS11 keys that are explicitly listed */
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