keep track of which IndentityFile options were manually supplied and which were default options, and don't warn if the latter are missing. (mindrot#2084)
This commit is contained in:
Petr Lautrbach
parent
2f45e7c61b
commit
fcef7f6231
235
openssh-6.2p1-track-IdentifyFile.patch
Normal file
235
openssh-6.2p1-track-IdentifyFile.patch
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@ -0,0 +1,235 @@
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diff --git a/readconf.c b/readconf.c
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index 99c04a9..375ca32 100644
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--- a/readconf.c
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+++ b/readconf.c
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@@ -1,4 +1,4 @@
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-/* $OpenBSD: readconf.c,v 1.194 2011/09/23 07:45:05 markus Exp $ */
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+/* $OpenBSD: readconf.c,v 1.196 2013/02/22 04:45:08 dtucker Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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@@ -337,6 +337,26 @@ clear_forwardings(Options *options)
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options->tun_open = SSH_TUNMODE_NO;
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}
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+void
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+add_identity_file(Options *options, const char *dir, const char *filename,
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+ int userprovided)
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+{
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+ char *path;
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+
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+ if (options->num_identity_files >= SSH_MAX_IDENTITY_FILES)
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+ fatal("Too many identity files specified (max %d)",
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+ SSH_MAX_IDENTITY_FILES);
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+
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+ if (dir == NULL) /* no dir, filename is absolute */
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+ path = xstrdup(filename);
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+ else
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+ (void)xasprintf(&path, "%.100s%.100s", dir, filename);
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+
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+ options->identity_file_userprovided[options->num_identity_files] =
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+ userprovided;
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+ options->identity_files[options->num_identity_files++] = path;
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+}
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+
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/*
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* Returns the number of the token pointed to by cp or oBadOption.
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*/
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@@ -364,7 +384,7 @@ parse_token(const char *cp, const char *filename, int linenum)
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int
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process_config_line(Options *options, const char *host,
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char *line, const char *filename, int linenum,
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- int *activep)
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+ int *activep, int userconfig)
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{
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char *s, **charptr, *endofnumber, *keyword, *arg, *arg2;
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char **cpptr, fwdarg[256];
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@@ -617,9 +637,7 @@ parse_yesnoask:
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if (*intptr >= SSH_MAX_IDENTITY_FILES)
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fatal("%.200s line %d: Too many identity files specified (max %d).",
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filename, linenum, SSH_MAX_IDENTITY_FILES);
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- charptr = &options->identity_files[*intptr];
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- *charptr = xstrdup(arg);
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- *intptr = *intptr + 1;
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+ add_identity_file(options, NULL, arg, userconfig);
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}
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break;
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@@ -1106,7 +1124,7 @@ parse_int:
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int
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read_config_file(const char *filename, const char *host, Options *options,
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- int checkperm)
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+ int flags)
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{
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FILE *f;
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char line[1024];
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@@ -1116,7 +1134,7 @@ read_config_file(const char *filename, const char *host, Options *options,
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if ((f = fopen(filename, "r")) == NULL)
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return 0;
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- if (checkperm) {
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+ if (flags & SSHCONF_CHECKPERM) {
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struct stat sb;
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if (fstat(fileno(f), &sb) == -1)
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@@ -1137,7 +1155,8 @@ read_config_file(const char *filename, const char *host, Options *options,
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while (fgets(line, sizeof(line), f)) {
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/* Update line number counter. */
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linenum++;
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- if (process_config_line(options, host, line, filename, linenum, &active) != 0)
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+ if (process_config_line(options, host, line, filename, linenum,
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+ &active, flags & SSHCONF_USERCONF) != 0)
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bad_options++;
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}
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fclose(f);
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@@ -1322,30 +1341,17 @@ fill_default_options(Options * options)
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options->protocol = SSH_PROTO_2;
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if (options->num_identity_files == 0) {
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if (options->protocol & SSH_PROTO_1) {
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- len = 2 + strlen(_PATH_SSH_CLIENT_IDENTITY) + 1;
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- options->identity_files[options->num_identity_files] =
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- xmalloc(len);
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- snprintf(options->identity_files[options->num_identity_files++],
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- len, "~/%.100s", _PATH_SSH_CLIENT_IDENTITY);
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+ add_identity_file(options, "~/",
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+ _PATH_SSH_CLIENT_IDENTITY, 0);
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}
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if (options->protocol & SSH_PROTO_2) {
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- len = 2 + strlen(_PATH_SSH_CLIENT_ID_RSA) + 1;
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- options->identity_files[options->num_identity_files] =
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- xmalloc(len);
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- snprintf(options->identity_files[options->num_identity_files++],
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- len, "~/%.100s", _PATH_SSH_CLIENT_ID_RSA);
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-
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- len = 2 + strlen(_PATH_SSH_CLIENT_ID_DSA) + 1;
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- options->identity_files[options->num_identity_files] =
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- xmalloc(len);
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- snprintf(options->identity_files[options->num_identity_files++],
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- len, "~/%.100s", _PATH_SSH_CLIENT_ID_DSA);
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+ add_identity_file(options, "~/",
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+ _PATH_SSH_CLIENT_ID_RSA, 0);
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+ add_identity_file(options, "~/",
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+ _PATH_SSH_CLIENT_ID_DSA, 0);
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#ifdef OPENSSL_HAS_ECC
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- len = 2 + strlen(_PATH_SSH_CLIENT_ID_ECDSA) + 1;
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- options->identity_files[options->num_identity_files] =
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- xmalloc(len);
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- snprintf(options->identity_files[options->num_identity_files++],
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- len, "~/%.100s", _PATH_SSH_CLIENT_ID_ECDSA);
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+ add_identity_file(options, "~/",
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+ _PATH_SSH_CLIENT_ID_ECDSA, 0);
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#endif
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}
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}
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diff --git a/readconf.h b/readconf.h
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index 41f1bef..0835cb6 100644
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--- a/readconf.h
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+++ b/readconf.h
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@@ -1,4 +1,4 @@
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-/* $OpenBSD: readconf.h,v 1.91 2011/09/23 07:45:05 markus Exp $ */
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+/* $OpenBSD: readconf.h,v 1.93 2013/02/22 04:45:09 dtucker Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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@@ -101,6 +101,7 @@ typedef struct {
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int num_identity_files; /* Number of files for RSA/DSA identities. */
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char *identity_files[SSH_MAX_IDENTITY_FILES];
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+ int identity_file_userprovided[SSH_MAX_IDENTITY_FILES];
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Key *identity_keys[SSH_MAX_IDENTITY_FILES];
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/* Local TCP/IP forward requests. */
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@@ -153,15 +154,20 @@ typedef struct {
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#define REQUEST_TTY_YES 2
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#define REQUEST_TTY_FORCE 3
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+#define SSHCONF_CHECKPERM 1 /* check permissions on config file */
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+#define SSHCONF_USERCONF 2 /* user provided config file not system */
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+
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void initialize_options(Options *);
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void fill_default_options(Options *);
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int read_config_file(const char *, const char *, Options *, int);
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int parse_forward(Forward *, const char *, int, int);
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int
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-process_config_line(Options *, const char *, char *, const char *, int, int *);
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+process_config_line(Options *, const char *, char *, const char *, int, int *,
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+ int);
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void add_local_forward(Options *, const Forward *);
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void add_remote_forward(Options *, const Forward *);
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+void add_identity_file(Options *, const char *, const char *, int);
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#endif /* READCONF_H */
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diff --git a/ssh.c b/ssh.c
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index 21b3fc7..606d449 100644
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--- a/ssh.c
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+++ b/ssh.c
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@@ -1,4 +1,4 @@
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-/* $OpenBSD: ssh.c,v 1.370 2012/07/06 01:47:38 djm Exp $ */
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+/* $OpenBSD: ssh.c,v 1.372 2013/02/22 04:45:09 dtucker Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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@@ -414,12 +414,7 @@ main(int ac, char **av)
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strerror(errno));
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break;
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}
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- if (options.num_identity_files >=
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- SSH_MAX_IDENTITY_FILES)
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- fatal("Too many identity files specified "
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- "(max %d)", SSH_MAX_IDENTITY_FILES);
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- options.identity_files[options.num_identity_files++] =
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- xstrdup(optarg);
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+ add_identity_file(&options, NULL, optarg, 1);
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break;
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case 'I':
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#ifdef ENABLE_PKCS11
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@@ -593,7 +588,8 @@ main(int ac, char **av)
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dummy = 1;
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line = xstrdup(optarg);
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if (process_config_line(&options, host ? host : "",
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- line, "command-line", 0, &dummy) != 0)
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+ line, "command-line", 0, &dummy, SSHCONF_USERCONF)
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+ != 0)
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exit(255);
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xfree(line);
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break;
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@@ -686,14 +682,15 @@ main(int ac, char **av)
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* file if the user specifies a config file on the command line.
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*/
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if (config != NULL) {
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- if (!read_config_file(config, host, &options, 0))
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+ if (!read_config_file(config, host, &options, SSHCONF_USERCONF))
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fatal("Can't open user config file %.100s: "
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"%.100s", config, strerror(errno));
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} else {
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r = snprintf(buf, sizeof buf, "%s/%s", pw->pw_dir,
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_PATH_SSH_USER_CONFFILE);
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if (r > 0 && (size_t)r < sizeof(buf))
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- (void)read_config_file(buf, host, &options, 1);
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+ (void)read_config_file(buf, host, &options,
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+ SSHCONF_CHECKPERM|SSHCONF_USERCONF);
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/* Read systemwide configuration file after user config. */
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(void)read_config_file(_PATH_HOST_CONFIG_FILE, host,
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diff --git a/sshconnect2.c b/sshconnect2.c
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index 350abb5..a8b6276 100644
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--- a/sshconnect2.c
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+++ b/sshconnect2.c
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@@ -1,4 +1,4 @@
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-/* $OpenBSD: sshconnect2.c,v 1.191 2013/02/15 00:21:01 dtucker Exp $ */
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+/* $OpenBSD: sshconnect2.c,v 1.192 2013/02/17 23:16:57 dtucker Exp $ */
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/*
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* Copyright (c) 2000 Markus Friedl. All rights reserved.
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* Copyright (c) 2008 Damien Miller. All rights reserved.
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@@ -1515,7 +1515,7 @@ pubkey_prepare(Authctxt *authctxt)
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id = xcalloc(1, sizeof(*id));
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id->key = key;
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id->filename = xstrdup(options.identity_files[i]);
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- id->userprovided = 1;
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+ id->userprovided = options.identity_file_userprovided[i];
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TAILQ_INSERT_TAIL(&files, id, next);
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}
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/* Prefer PKCS11 keys that are explicitly listed */
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@ -216,6 +216,8 @@ Patch904: openssh-6.1p1-change-max-startups.patch
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# build regress/modpipe tests with $(CFLAGS), based on
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# build regress/modpipe tests with $(CFLAGS), based on
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# http://lists.mindrot.org/pipermail/openssh-unix-dev/2013-March/031167.html
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# http://lists.mindrot.org/pipermail/openssh-unix-dev/2013-March/031167.html
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Patch905: openssh-6.2p1-modpipe-cflags.patch
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Patch905: openssh-6.2p1-modpipe-cflags.patch
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# https://bugzilla.mindrot.org/show_bug.cgi?id=2084
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Patch906: openssh-6.2p1-track-IdentifyFile.patch
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#---
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#---
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#https://bugzilla.mindrot.org/show_bug.cgi?id=1604
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#https://bugzilla.mindrot.org/show_bug.cgi?id=1604
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@ -465,6 +467,7 @@ popd
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# %patch903 -p1 -b .required-authentication
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# %patch903 -p1 -b .required-authentication
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# %patch904 -p1 -b .max-startups
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# %patch904 -p1 -b .max-startups
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%patch905 -p1 -b .modpipe-cflags
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%patch905 -p1 -b .modpipe-cflags
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%patch906 -p1 -b .identityfile
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%if 0
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%if 0
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# Nothing here yet
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# Nothing here yet
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