зеркало из https://github.com/Azure/sonic-openssh.git
upstream commit
make internal handling of filename arguments of "none" more consistent with ssh. "none" arguments are now replaced with NULL when the configuration is finalised. Simplifies checking later on (just need to test not-NULL rather than that + strcmp) and cleans up some inconsistencies. ok markus@
This commit is contained in:
djm@openbsd.org
Damien Miller
Родитель
f69b69b862
Коммит
161cf419f4
6
auth2.c
6
auth2.c
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@ -1,4 +1,4 @@
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/* $OpenBSD: auth2.c,v 1.133 2014/12/18 23:58:04 djm Exp $ */
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/* $OpenBSD: auth2.c,v 1.134 2014/12/22 07:55:51 djm Exp $ */
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/*
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* Copyright (c) 2000 Markus Friedl. All rights reserved.
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*
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@ -151,9 +151,7 @@ userauth_banner(void)
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{
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char *banner = NULL;
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if (options.banner == NULL ||
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strcasecmp(options.banner, "none") == 0 ||
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(datafellows & SSH_BUG_BANNER) != 0)
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if (options.banner == NULL || (datafellows & SSH_BUG_BANNER) != 0)
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return;
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if ((banner = PRIVSEP(auth2_read_banner())) == NULL)
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38
servconf.c
38
servconf.c
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@ -1,5 +1,5 @@
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/* $OpenBSD: servconf.c,v 1.256 2014/12/21 22:27:56 djm Exp $ */
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/* $OpenBSD: servconf.c,v 1.257 2014/12/22 07:55:51 djm Exp $ */
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/*
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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@ -162,9 +162,18 @@ initialize_server_options(ServerOptions *options)
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options->fingerprint_hash = -1;
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}
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/* Returns 1 if a string option is unset or set to "none" or 0 otherwise. */
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static int
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option_clear_or_none(const char *o)
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{
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return o == NULL || strcasecmp(o, "none") == 0;
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}
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void
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fill_default_server_options(ServerOptions *options)
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{
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int i;
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/* Portable-specific options */
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if (options->use_pam == -1)
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options->use_pam = 0;
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@ -196,7 +205,7 @@ fill_default_server_options(ServerOptions *options)
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if (options->listen_addrs == NULL)
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add_listen_addr(options, NULL, 0);
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if (options->pid_file == NULL)
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options->pid_file = _PATH_SSH_DAEMON_PID_FILE;
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options->pid_file = xstrdup(_PATH_SSH_DAEMON_PID_FILE);
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if (options->server_key_bits == -1)
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options->server_key_bits = 1024;
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if (options->login_grace_time == -1)
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@ -220,7 +229,7 @@ fill_default_server_options(ServerOptions *options)
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if (options->x11_use_localhost == -1)
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options->x11_use_localhost = 1;
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if (options->xauth_location == NULL)
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options->xauth_location = _PATH_XAUTH;
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options->xauth_location = xstrdup(_PATH_XAUTH);
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if (options->permit_tty == -1)
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options->permit_tty = 1;
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if (options->permit_user_rc == -1)
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@ -321,6 +330,24 @@ fill_default_server_options(ServerOptions *options)
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if (use_privsep == -1)
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use_privsep = PRIVSEP_NOSANDBOX;
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#define CLEAR_ON_NONE(v) \
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do { \
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if (option_clear_or_none(v)) { \
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free(v); \
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v = NULL; \
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} \
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} while(0)
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CLEAR_ON_NONE(options->pid_file);
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CLEAR_ON_NONE(options->xauth_location);
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CLEAR_ON_NONE(options->banner);
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CLEAR_ON_NONE(options->trusted_user_ca_keys);
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CLEAR_ON_NONE(options->revoked_keys_file);
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for (i = 0; i < options->num_host_key_files; i++)
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CLEAR_ON_NONE(options->host_key_files[i]);
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for (i = 0; i < options->num_host_cert_files; i++)
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CLEAR_ON_NONE(options->host_cert_files[i]);
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#undef CLEAR_ON_NONE
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#ifndef HAVE_MMAP
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if (use_privsep && options->compression == 1) {
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error("This platform does not support both privilege "
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@ -538,6 +565,8 @@ derelativise_path(const char *path)
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{
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char *expanded, *ret, cwd[MAXPATHLEN];
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if (strcasecmp(path, "none") == 0)
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return xstrdup("none");
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expanded = tilde_expand_filename(path, getuid());
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if (*expanded == '/')
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return expanded;
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@ -1982,7 +2011,8 @@ dump_cfg_string(ServerOpCodes code, const char *val)
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{
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if (val == NULL)
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return;
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printf("%s %s\n", lookup_opcode_name(code), val);
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printf("%s %s\n", lookup_opcode_name(code),
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val == NULL ? "none" : val);
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}
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static void
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@ -1,4 +1,4 @@
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/* $OpenBSD: session.c,v 1.274 2014/07/15 15:54:14 millert Exp $ */
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/* $OpenBSD: session.c,v 1.275 2014/12/22 07:55:51 djm Exp $ */
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/*
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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@ -2648,7 +2648,7 @@ session_setup_x11fwd(Session *s)
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debug("X11 forwarding disabled in server configuration file.");
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return 0;
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}
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if (!options.xauth_location ||
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if (options.xauth_location == NULL ||
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(stat(options.xauth_location, &st) == -1)) {
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packet_send_debug("No xauth program; cannot forward with spoofing.");
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return 0;
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15
sshd.c
15
sshd.c
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@ -1,4 +1,4 @@
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/* $OpenBSD: sshd.c,v 1.429 2014/12/11 08:20:09 djm Exp $ */
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/* $OpenBSD: sshd.c,v 1.430 2014/12/22 07:55:51 djm 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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@ -1208,7 +1208,8 @@ server_accept_loop(int *sock_in, int *sock_out, int *newsock, int *config_s)
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logit("Received signal %d; terminating.",
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(int) received_sigterm);
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close_listen_socks();
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unlink(options.pid_file);
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if (options.pid_file != NULL)
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unlink(options.pid_file);
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exit(received_sigterm == SIGTERM ? 0 : 255);
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}
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if (key_used && key_do_regen) {
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@ -1694,10 +1695,6 @@ main(int ac, char **av)
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sizeof(Key *));
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sensitive_data.host_pubkeys = xcalloc(options.num_host_key_files,
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sizeof(Key *));
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for (i = 0; i < options.num_host_key_files; i++) {
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sensitive_data.host_keys[i] = NULL;
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sensitive_data.host_pubkeys[i] = NULL;
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}
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if (options.host_key_agent) {
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if (strcmp(options.host_key_agent, SSH_AUTHSOCKET_ENV_NAME))
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@ -1707,6 +1704,8 @@ main(int ac, char **av)
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}
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for (i = 0; i < options.num_host_key_files; i++) {
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if (options.host_key_files[i] == NULL)
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continue;
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key = key_load_private(options.host_key_files[i], "", NULL);
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pubkey = key_load_public(options.host_key_files[i], NULL);
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sensitive_data.host_keys[i] = key;
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@ -1765,6 +1764,8 @@ main(int ac, char **av)
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sensitive_data.host_certificates[i] = NULL;
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for (i = 0; i < options.num_host_cert_files; i++) {
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if (options.host_cert_files[i] == NULL)
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continue;
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key = key_load_public(options.host_cert_files[i], NULL);
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if (key == NULL) {
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error("Could not load host certificate: %s",
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@ -1932,7 +1933,7 @@ main(int ac, char **av)
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* Write out the pid file after the sigterm handler
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* is setup and the listen sockets are bound
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*/
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if (!debug_flag) {
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if (options.pid_file != NULL && !debug_flag) {
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FILE *f = fopen(options.pid_file, "w");
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if (f == NULL) {
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