Date: Fri, 20 Jun 1997 13:50:01 -0700 (PDT) From: Joe Traister <traister@gate.net> To: freebsd-bugs Subject: Re: bin/3903: Kerberized su -l fails with segfault Message-ID: <199706202050.NAA24227@hub.freebsd.org>
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The following reply was made to PR bin/3903; it has been noted by GNATS.
From: Joe Traister <traister@gate.net>
To: freebsd-gnats-submit@freebsd.org
Cc: Subject: Re: bin/3903: Kerberized su -l fails with segfault
Date: Fri, 20 Jun 1997 16:48:59 -0400
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The previous patch did not propogate the KRBTKFILE environment variable
into the new environment when -l is given to su, making it impossible
for kdestroy to find the ticket file. This patch corrects that problem
as well as the original segfault problem.
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--- su.c.dist Sat May 10 18:07:58 1997
+++ su.c Fri Jun 20 13:58:53 1997
@@ -101,7 +101,7 @@
char *targetpass;
int iswheelsu;
#endif /* WHEELSU */
- char *p, **g, *user, *shell=NULL, *username, *cleanenv[20], **nargv, **np;
+ char *p, **g, *user, *shell=NULL, *username, **cleanenv, **nargv, **np;
struct group *gr;
uid_t ruid;
int asme, ch, asthem, fastlogin, prio, i;
@@ -113,6 +113,9 @@
char *style, *approvep, *auth_method = NULL;
#endif
#endif
+#ifdef KERBEROS
+ char *k;
+#endif
char shellbuf[MAXPATHLEN];
#ifdef WHEELSU
@@ -371,6 +374,11 @@
if (!asme) {
if (asthem) {
p = getenv("TERM");
+#ifdef KERBEROS
+ k = getenv("KRBTKFILE");
+#endif
+ if ((cleanenv = calloc(20, sizeof(char*))) == NULL)
+ errx(1, "calloc");
cleanenv[0] = NULL;
environ = cleanenv;
#ifdef LOGIN_CAP
@@ -381,6 +389,10 @@
#endif
if (p)
(void)setenv("TERM", p, 1);
+#ifdef KERBEROS
+ if (k)
+ (void)setenv("KRBTKFILE", k, 1);
+#endif
if (chdir(pwd->pw_dir) < 0)
errx(1, "no directory");
}
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