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Allow 'su foo -c command'. MAY BE BUGGY! (So sayeth Keith Bostic.)

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I have noticed no problems yet, however.  Since Keith never did it
"properly" ...
This commit is contained in:
sef 1993-04-17 01:10:19 +00:00
parent 8f7f9de18d
commit 583bdd93e4
1 changed files with 10 additions and 8 deletions
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18
usr.bin/su/su.c
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@ -64,6 +64,12 @@ int use_kerberos = 1;
#define ARGSTR "-flm"
#endif
#ifdef DES
extern char *crypt();
#else
# define crypt(a,b) (a)
#endif
main(argc, argv)
int argc;
char **argv;
@ -76,12 +82,10 @@ main(argc, argv)
uid_t ruid, getuid();
int asme, ch, asthem, fastlogin, prio;
enum { UNSET, YES, NO } iscsh = UNSET;
char *user, *shell, *username, *cleanenv[2], *nargv[4], **np;
char *user, *shell, *username, *cleanenv[2], **np;
char shellbuf[MAXPATHLEN];
char *crypt(), *getpass(), *getenv(), *getlogin(), *ontty();
char *getpass(), *getenv(), *getlogin(), *ontty();
np = &nargv[3];
*np-- = NULL;
asme = asthem = fastlogin = 0;
while ((ch = getopt(argc, argv, ARGSTR)) != EOF)
switch((char)ch) {
@ -138,6 +142,8 @@ main(argc, argv)
/* get target login information, default to root */
user = *argv ? *argv : "root";
np = *argv ? argv : argv-1;
if ((pwd = getpwnam(user)) == NULL) {
fprintf(stderr, "su: unknown login %s\n", user);
exit(1);
@ -163,11 +169,7 @@ main(argc, argv)
/* if target requires a password, verify it */
if (*pwd->pw_passwd) {
p = getpass("Password:");
#ifdef DES
if (strcmp(pwd->pw_passwd, crypt(p, pwd->pw_passwd))) {
#else
if (strcmp(pwd->pw_passwd, p)) {
#endif
fprintf(stderr, "Sorry\n");
syslog(LOG_AUTH|LOG_WARNING,
"BAD SU %s to %s%s", username,