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Make sure the environment variables set by setusercontext() are passed on

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to the child process.

Reviewed by:	ache
Sponsored by:	DARPA, NAI Labs
This commit is contained in:
Dag-Erling Smørgrav 2002-06-29 11:21:58 +00:00
parent bf2e2524a2
commit c62005fc13
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=99055
1 changed files with 23 additions and 9 deletions
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32
crypto/openssh/session.c
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@ -34,6 +34,7 @@
#include "includes.h"
RCSID("$OpenBSD: session.c,v 1.138 2002/06/20 23:05:55 markus Exp $");
RCSID("$FreeBSD$");
#include "ssh.h"
#include "ssh1.h"
@ -931,6 +932,10 @@ do_setup_env(Session *s, const char *shell)
char buf[256];
u_int i, envsize;
char **env;
#ifdef HAVE_LOGIN_CAP
extern char **environ;
char **senv, **var;
#endif
struct passwd *pw = s->pw;
/* Initialize the environment. */
@ -946,14 +951,29 @@ do_setup_env(Session *s, const char *shell)
copy_environment(environ, &env, &envsize);
#endif
if (getenv("TZ"))
child_set_env(&env, &envsize, "TZ", getenv("TZ"));
if (!options.use_login) {
/* Set basic environment. */
child_set_env(&env, &envsize, "USER", pw->pw_name);
child_set_env(&env, &envsize, "LOGNAME", pw->pw_name);
child_set_env(&env, &envsize, "HOME", pw->pw_dir);
snprintf(buf, sizeof buf, "%.200s/%.50s",
_PATH_MAILDIR, pw->pw_name);
child_set_env(&env, &envsize, "MAIL", buf);
#ifdef HAVE_LOGIN_CAP
(void) setusercontext(lc, pw, pw->pw_uid, LOGIN_SETPATH);
child_set_env(&env, &envsize, "PATH", getenv("PATH"));
child_set_env(&env, &envsize, "PATH", _PATH_STDPATH);
child_set_env(&env, &envsize, "TERM", "su");
senv = environ;
environ = xmalloc(sizeof(char *));
*environ = NULL;
(void) setusercontext(lc, pw, pw->pw_uid,
LOGIN_SETENV|LOGIN_SETPATH);
copy_environment(environ, &env, &envsize);
for (var = environ; *var != NULL; ++var)
xfree(*var);
xfree(environ);
environ = senv;
#else /* HAVE_LOGIN_CAP */
# ifndef HAVE_CYGWIN
/*
@ -971,15 +991,9 @@ do_setup_env(Session *s, const char *shell)
# endif /* HAVE_CYGWIN */
#endif /* HAVE_LOGIN_CAP */
snprintf(buf, sizeof buf, "%.200s/%.50s",
_PATH_MAILDIR, pw->pw_name);
child_set_env(&env, &envsize, "MAIL", buf);
/* Normal systems set SHELL by default. */
child_set_env(&env, &envsize, "SHELL", shell);
}
if (getenv("TZ"))
child_set_env(&env, &envsize, "TZ", getenv("TZ"));
/* Set custom environment options from RSA authentication. */
if (!options.use_login) {
@ -1162,7 +1176,7 @@ do_setusercontext(struct passwd *pw)
#endif /* HAVE_SETPCRED */
#ifdef HAVE_LOGIN_CAP
if (setusercontext(lc, pw, pw->pw_uid,
(LOGIN_SETALL & ~LOGIN_SETPATH)) < 0) {
(LOGIN_SETALL & ~(LOGIN_SETENV|LOGIN_SETPATH))) < 0) {
perror("unable to set user context");
exit(1);
}