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Preliminary changes to support nsr-tandem-nsk. Based on patches from

Browse Source 
Tom Bates.
This commit is contained in:
Todd C. Miller
2004-05-17 20:08:46 +00:00
parent b0a49825eb
commit a6849607c9
4 changed files with 70 additions and 50 deletions
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104
set_perms.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 1994-1996,1998-2003 Todd C. Miller <Todd.Miller@courtesan.com>
* Copyright (c) 1994-1996,1998-2004 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -55,6 +55,12 @@
static const char rcsid[] = "$Sudo$";
#endif /* lint */
#ifdef __TANDEM
# define ROOT_UID 65535
#else
# define ROOT_UID 0
#endif
/*
* Prototypes
*/
@@ -76,15 +82,15 @@ set_perms_posix(perm)
switch (perm) {
case PERM_ROOT:
if (seteuid(0))
fatal("seteuid(0) failed, your operating system may have broken POSIX saved ID support\nTry running configure with --disable-saved-ids", 0);
if (seteuid(ROOT_UID))
fatal("seteuid(ROOT_UID) failed, your operating system may have broken POSIX saved ID support\nTry running configure with --disable-saved-ids", 0);
break;
case PERM_FULL_ROOT:
/* headed for exec() */
(void) seteuid(0);
if (setuid(0))
fatal("setuid(0)", 1);
(void) seteuid(ROOT_UID);
if (setuid(ROOT_UID))
fatal("setuid(ROOT_UID)", 1);
break;
case PERM_USER:
@@ -106,7 +112,7 @@ set_perms_posix(perm)
break;
case PERM_FULL_RUNAS:
/* headed for exec(), assume euid == 0 */
/* headed for exec(), assume euid == ROOT_UID */
runas_setup();
if (def_stay_setuid)
error = seteuid(runas_pw->pw_uid);
@@ -117,18 +123,18 @@ set_perms_posix(perm)
break;
case PERM_SUDOERS:
/* assume euid == 0, ruid == user */
/* assume euid == ROOT_UID, ruid == user */
if (setegid(SUDOERS_GID))
fatal("unable to change to sudoers gid", 1);
/*
* If SUDOERS_UID == 0 and SUDOERS_MODE
* If SUDOERS_UID == ROOT_UID and SUDOERS_MODE
* is group readable we use a non-zero
* uid in order to avoid NFS lossage.
* Using uid 1 is a bit bogus but should
* work on all OS's.
*/
if (SUDOERS_UID == 0) {
if (SUDOERS_UID == ROOT_UID) {
if ((SUDOERS_MODE & 040) && seteuid(1))
fatal("seteuid(1)", 1);
} else {
@@ -161,14 +167,14 @@ set_perms_suid(perm)
switch (perm) {
case PERM_FULL_ROOT:
case PERM_ROOT:
if (setresuid(0, 0, 0))
fatal("setresuid(0, 0, 0) failed, your operating system may have a broken setresuid() function\nTry running configure with --disable-setresuid", 0);
if (setresuid(ROOT_UID, ROOT_UID, ROOT_UID))
fatal("setresuid(ROOT_UID, ROOT_UID, ROOT_UID) failed, your operating system may have a broken setresuid() function\nTry running configure with --disable-setresuid", 0);
break;
case PERM_USER:
(void) setresgid(-1, user_gid, -1);
if (setresuid(user_uid, user_uid, 0))
fatal("setresuid(user_uid, user_uid, 0)", 1);
if (setresuid(user_uid, user_uid, ROOT_UID))
fatal("setresuid(user_uid, user_uid, ROOT_UID)", 1);
break;
case PERM_FULL_USER:
@@ -184,7 +190,7 @@ set_perms_suid(perm)
break;
case PERM_FULL_RUNAS:
/* headed for exec(), assume euid == 0 */
/* headed for exec(), assume euid == ROOT_UID */
runas_setup();
error = setresuid(def_stay_setuid ?
user_uid : runas_pw->pw_uid,
@@ -194,28 +200,28 @@ set_perms_suid(perm)
break;
case PERM_SUDOERS:
/* assume euid == 0, ruid == user */
/* assume euid == ROOT_UID, ruid == user */
if (setresgid(-1, SUDOERS_GID, -1))
fatal("unable to change to sudoers gid", 1);
/*
* If SUDOERS_UID == 0 and SUDOERS_MODE
* If SUDOERS_UID == ROOT_UID and SUDOERS_MODE
* is group readable we use a non-zero
* uid in order to avoid NFS lossage.
* Using uid 1 is a bit bogus but should
* work on all OS's.
*/
if (SUDOERS_UID == 0) {
if ((SUDOERS_MODE & 040) && setresuid(0, 1, 0))
fatal("setresuid(0, 1, 0)", 1);
if (SUDOERS_UID == ROOT_UID) {
if ((SUDOERS_MODE & 040) && setresuid(ROOT_UID, 1, ROOT_UID))
fatal("setresuid(ROOT_UID, 1, ROOT_UID)", 1);
} else {
if (setresuid(0, SUDOERS_UID, 0))
fatal("setresuid(0, SUDOERS_UID, 0)", 1);
if (setresuid(ROOT_UID, SUDOERS_UID, ROOT_UID))
fatal("setresuid(ROOT_UID, SUDOERS_UID, ROOT_UID)", 1);
}
break;
case PERM_TIMESTAMP:
if (setresuid(0, timestamp_uid, 0))
fatal("setresuid(0, timestamp_uid, 0)", 1);
if (setresuid(ROOT_UID, timestamp_uid, ROOT_UID))
fatal("setresuid(ROOT_UID, timestamp_uid, ROOT_UID)", 1);
break;
}
}
@@ -225,7 +231,7 @@ set_perms_suid(perm)
/*
* Set real and effective uids and gids based on perm.
* We always retain a real or effective uid of 0 unless
* We always retain a real or effective uid of ROOT_UID unless
* we are headed for an exec().
* This version of set_perms() works fine with the "stay_setuid" option.
*/
@@ -238,16 +244,16 @@ set_perms_suid(perm)
switch (perm) {
case PERM_FULL_ROOT:
case PERM_ROOT:
if (setreuid(-1, 0))
fatal("setreuid(-1, 0) failed, your operating system may have a broken setreuid() function\nTry running configure with --disable-setreuid", 0);
if (setuid(0))
fatal("setuid(0)", 1);
if (setreuid(-1, ROOT_UID))
fatal("setreuid(-1, ROOT_UID) failed, your operating system may have a broken setreuid() function\nTry running configure with --disable-setreuid", 0);
if (setuid(ROOT_UID))
fatal("setuid(ROOT_UID)", 1);
break;
case PERM_USER:
(void) setregid(-1, user_gid);
if (setreuid(0, user_uid))
fatal("setreuid(0, user_uid)", 1);
if (setreuid(ROOT_UID, user_uid))
fatal("setreuid(ROOT_UID, user_uid)", 1);
break;
case PERM_FULL_USER:
@@ -263,7 +269,7 @@ set_perms_suid(perm)
break;
case PERM_FULL_RUNAS:
/* headed for exec(), assume euid == 0 */
/* headed for exec(), assume euid == ROOT_UID */
runas_setup();
error = setreuid(def_stay_setuid ?
user_uid : runas_pw->pw_uid,
@@ -273,28 +279,28 @@ set_perms_suid(perm)
break;
case PERM_SUDOERS:
/* assume euid == 0, ruid == user */
/* assume euid == ROOT_UID, ruid == user */
if (setregid(-1, SUDOERS_GID))
fatal("unable to change to sudoers gid", 1);
/*
* If SUDOERS_UID == 0 and SUDOERS_MODE
* If SUDOERS_UID == ROOT_UID and SUDOERS_MODE
* is group readable we use a non-zero
* uid in order to avoid NFS lossage.
* Using uid 1 is a bit bogus but should
* work on all OS's.
*/
if (SUDOERS_UID == 0) {
if ((SUDOERS_MODE & 040) && setreuid(0, 1))
fatal("setreuid(0, 1)", 1);
if (SUDOERS_UID == ROOT_UID) {
if ((SUDOERS_MODE & 040) && setreuid(ROOT_UID, 1))
fatal("setreuid(ROOT_UID, 1)", 1);
} else {
if (setreuid(0, SUDOERS_UID))
fatal("setreuid(0, SUDOERS_UID)", 1);
if (setreuid(ROOT_UID, SUDOERS_UID))
fatal("setreuid(ROOT_UID, SUDOERS_UID)", 1);
}
break;
case PERM_TIMESTAMP:
if (setreuid(0, timestamp_uid))
fatal("setreuid(0, timestamp_uid)", 1);
if (setreuid(ROOT_UID, timestamp_uid))
fatal("setreuid(ROOT_UID, timestamp_uid)", 1);
break;
}
}
@@ -312,10 +318,10 @@ set_perms_nosuid(perm)
/*
* Since we only have setuid() and seteuid() we have to set
* real and effective uids to 0 initially.
* real and effective uids to ROOT_UID initially.
*/
if (setuid(0))
fatal("setuid(0)", 1);
if (setuid(ROOT_UID))
fatal("setuid(ROOT_UID)", 1);
switch (perm) {
case PERM_USER:
@@ -337,25 +343,25 @@ set_perms_nosuid(perm)
break;
case PERM_FULL_RUNAS:
/* headed for exec(), assume euid == 0 */
/* headed for exec(), assume euid == ROOT_UID */
runas_setup();
if (setuid(runas_pw->pw_uid))
fatal("unable to change to runas uid", 1);
break;
case PERM_SUDOERS:
/* assume euid == 0, ruid == user */
/* assume euid == ROOT_UID, ruid == user */
if (setegid(SUDOERS_GID))
fatal("unable to change to sudoers gid", 1);
/*
* If SUDOERS_UID == 0 and SUDOERS_MODE
* If SUDOERS_UID == ROOT_UID and SUDOERS_MODE
* is group readable we use a non-zero
* uid in order to avoid NFS lossage.
* Using uid 1 is a bit bogus but should
* work on all OS's.
*/
if (SUDOERS_UID == 0) {
if (SUDOERS_UID == ROOT_UID) {
if ((SUDOERS_MODE & 040) && seteuid(1))
fatal("seteuid(1)", 1);
} else {
@@ -401,7 +407,7 @@ runas_setup()
error = setusercontext(lc, runas_pw,
runas_pw->pw_uid, flags);
if (error) {
if (runas_pw->pw_uid != 0)
if (runas_pw->pw_uid != ROOT_UID)
fatal("unable to set user context", 1);
else
perror("unable to set user context");

4
sudo.c
View File

@@ -23,6 +23,10 @@
#define _SUDO_MAIN
#ifdef __TANDEM
# include <floss.h>
#endif
#include "config.h"
#include <sys/types.h>

4
tgetpass.c
View File

@@ -18,6 +18,10 @@
* Materiel Command, USAF, under agreement number F39502-99-1-0512.
*/
#ifdef __TANDEM
# include <floss.h>
#endif
#include "config.h"
#include <sys/types.h>

8
visudo.c
View File

@@ -24,12 +24,18 @@
#define _SUDO_MAIN
#ifdef __TANDEM
# include <floss.h>
#endif
#include "config.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/file.h>
#ifndef __TANDEM
# include <sys/file.h>
#endif
#include <sys/wait.h>
#include <stdio.h>
#ifdef STDC_HEADERS