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Code Issues Releases Wiki Activity

added mips & isc support

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This commit is contained in:
Todd C. Miller
1994-11-10 00:49:53 +00:00
parent 6482c50cb0
commit be3b8f8067
1 changed files with 49 additions and 6 deletions
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55
sudo.c
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@@ -85,6 +85,14 @@ static char rcsid[] = "$Id$";
#else
#include <sys/ioctl.h>
#endif /* HAVE_SYS_SOCKIO_H */
#ifdef _ISC
#include <sys/stream.h>
#include <sys/sioctl.h>
#include <sys/stropts.h>
#endif /* _ISC */
#ifdef _MIPS
#include <net/soioctl.h>
#endif /* _MIPS */
#include <netinet/in.h>
#include <arpa/inet.h>
#include <net/if.h>
@@ -558,6 +566,10 @@ static void load_interfaces()
char buf[BUFSIZ];
int sock, len;
int i, j;
#ifdef _ISC
struct ifreq *ifrp;
struct strioctl strioctl;
#endif /* _ISC */
sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock < 0) {
@@ -570,10 +582,20 @@ static void load_interfaces()
*/
ifconf.ifc_len = sizeof(buf);
ifconf.ifc_buf = buf;
#ifdef _ISC
strioctl.ic_cmd = SIOCGIFCONF;
strioctl.ic_dp = (char *)&ifconf;
strioctl.ic_len = sizeof(ifconf);
if (ioctl(sock, I_STR, &strioctl) < 0) {
/* networking probably not installed in kernel */
return;
}
#else
if (ioctl(sock, SIOCGIFCONF, (char *)(&ifconf)) < 0) {
/* networking probably not installed in kernel */
return;
}
#endif /* _ISC */
/*
* find out how many interfaces exist, skipping bogus ones.
@@ -642,25 +664,31 @@ static void load_interfaces()
* check_sudoers()
*
* This function check to see that the sudoers file is owned by
* root and not writable by anyone else.
* SUDOERS_OWNER and not writable by anyone else.
*/
static void check_sudoers()
{
struct stat statbuf;
struct passwd *pw_ent;
if (!(pw_ent = getpwnam(SUDOERS_OWNER))) {
(void) fprintf(stderr, "%s: no passwd entry for sudoers file owner (%s)\n", Argv[0], SUDOERS_OWNER);
exit(1);
}
if (lstat(_PATH_SUDO_SUDOERS, &statbuf)) {
(void) fprintf(stderr, "Can't stat %s: ", _PATH_SUDO_SUDOERS);
(void) fprintf(stderr, "%s: Can't stat %s: ", Argv[0], _PATH_SUDO_SUDOERS);
perror("");
exit(1);
} else if (!S_ISREG(statbuf.st_mode)) {
(void) fprintf(stderr, "%s is not a regular file!\n", _PATH_SUDO_SUDOERS);
(void) fprintf(stderr, "%s: %s is not a regular file!\n", Argv[0], _PATH_SUDO_SUDOERS);
exit(1);
} else if (statbuf.st_uid != 0) {
(void) fprintf(stderr, "%s is not owned by root!\n", _PATH_SUDO_SUDOERS);
} else if (statbuf.st_uid != pw_ent -> pw_uid) {
(void) fprintf(stderr, "%s: %s is not owned by %s!\n", Argv[0], _PATH_SUDO_SUDOERS, SUDOERS_OWNER);
exit(1);
} else if (statbuf.st_mode & (0000066)) {
(void) fprintf(stderr, "%s is readable or writeable by other than root!\n", _PATH_SUDO_SUDOERS);
(void) fprintf(stderr, "%s: %s is readable or writeable by other than %s!\n", Argv[0], _PATH_SUDO_SUDOERS, SUDOERS_OWNER);
exit(1);
}
}
@@ -718,6 +746,21 @@ void set_perms(perm)
exit(1);
}
break;
case PERM_SUDOERS :
if (setuid(0)) {
perror("setuid(0)");
exit(1);
}
if (!(pw_ent = getpwnam(SUDOERS_OWNER))) {
(void) fprintf(stderr, "%s: no passwd entry for sudoers file owner (%s)\n", Argv[0], SUDOERS_OWNER);
exit(1);
} else if (seteuid(pw_ent->pw_uid)) {
perror("seteuid");
}
break;
}
}