84 lines
2.5 KiB
Diff
84 lines
2.5 KiB
Diff
# HG changeset patch
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# Parent 5e19a205fa03584bb0d829ecbba7495ce1899b65
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# -- uset do be called '-xauthlocalhostname'
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handle hostname changes when forwarding X
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Index: openssh-8.8p1/session.c
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===================================================================
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--- openssh-8.8p1.orig/session.c
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+++ openssh-8.8p1/session.c
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@@ -981,7 +981,7 @@ copy_environment(char **source, char ***
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#endif
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static char **
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-do_setup_env(struct ssh *ssh, Session *s, const char *shell)
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+do_setup_env(struct ssh *ssh, Session *s, const char *shell, int *env_size)
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{
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char buf[256];
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size_t n;
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@@ -1191,6 +1191,8 @@ do_setup_env(struct ssh *ssh, Session *s
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for (i = 0; env[i]; i++)
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fprintf(stderr, " %.200s\n", env[i]);
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}
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+
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+ *env_size = envsize;
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return env;
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}
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@@ -1199,7 +1201,7 @@ do_setup_env(struct ssh *ssh, Session *s
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* first in this order).
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*/
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static void
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-do_rc_files(struct ssh *ssh, Session *s, const char *shell)
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+do_rc_files(struct ssh *ssh, Session *s, const char *shell, char **env, int *env_size)
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{
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FILE *f = NULL;
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char *cmd = NULL, *user_rc = NULL;
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@@ -1256,12 +1258,20 @@ do_rc_files(struct ssh *ssh, Session *s,
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fatal_f("xasprintf: %s", strerror(errno));
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f = popen(cmd, "w");
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if (f) {
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+ char hostname[MAXHOSTNAMELEN];
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+
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fprintf(f, "remove %s\n",
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s->auth_display);
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fprintf(f, "add %s %s %s\n",
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s->auth_display, s->auth_proto,
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s->auth_data);
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pclose(f);
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+ if (gethostname(hostname,sizeof(hostname)) >= 0)
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+ child_set_env(&env,env_size,"XAUTHLOCALHOSTNAME",
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+ hostname);
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+ else
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+ debug("Cannot set up XAUTHLOCALHOSTNAME %s\n",
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+ strerror(errno));
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} else {
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fprintf(stderr, "Could not run %s\n",
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cmd);
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@@ -1518,6 +1528,7 @@ do_child(struct ssh *ssh, Session *s, co
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char **env, *argv[ARGV_MAX], remote_id[512];
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const char *shell, *shell0;
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struct passwd *pw = s->pw;
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+ int env_size;
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int r = 0;
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sshpkt_fmt_connection_id(ssh, remote_id, sizeof(remote_id));
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@@ -1574,7 +1585,7 @@ do_child(struct ssh *ssh, Session *s, co
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* Make sure $SHELL points to the shell from the password file,
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* even if shell is overridden from login.conf
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*/
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- env = do_setup_env(ssh, s, shell);
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+ env = do_setup_env(ssh, s, shell, &env_size);
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#ifdef HAVE_LOGIN_CAP
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shell = login_getcapstr(lc, "shell", (char *)shell, (char *)shell);
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@@ -1638,7 +1649,7 @@ do_child(struct ssh *ssh, Session *s, co
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closefrom(STDERR_FILENO + 1);
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- do_rc_files(ssh, s, shell);
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+ do_rc_files(ssh, s, shell, env, &env_size);
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/* restore SIGPIPE for child */
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ssh_signal(SIGPIPE, SIG_DFL);
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