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openssh-portable
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- (dtucker) [Makefile.in ssh-keysign.c ssh.c] Use permanently_set_uid() since 

it does the right thing on all platforms.  ok djm@
This commit is contained in:
Darren Tucker 2004-08-15 17:23:34 +10:00
parent 397a2f2612
commit 25f60a7ee7
4 changed files with 19 additions and 12 deletions
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6
ChangeLog
View File

@ -1,3 +1,7 @@
20040815
- (dtucker) [Makefile.in ssh-keysign.c ssh.c] Use permanently_set_uid() since
it does the right thing on all platforms. ok djm@
20040814
- (dtucker) [auth-krb5.c gss-serv-krb5.c openbsd-compat/xmmap.c]
Explicitly set umask for mkstemp; ok djm@
@ -1631,4 +1635,4 @@
- (djm) Trim deprecated options from INSTALL. Mention UsePAM
- (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
$Id: ChangeLog,v 1.3508 2004/08/14 14:09:11 dtucker Exp $
$Id: ChangeLog,v 1.3509 2004/08/15 07:23:34 dtucker Exp $

6
Makefile.in
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@ -1,4 +1,4 @@
# $Id: Makefile.in,v 1.261 2004/06/23 03:21:54 mouring Exp $
# $Id: Makefile.in,v 1.262 2004/08/15 07:23:34 dtucker Exp $
# uncomment if you run a non bourne compatable shell. Ie. csh
#SHELL = @SH@
@ -67,7 +67,7 @@ LIBSSH_OBJS=acss.o authfd.o authfile.o bufaux.o buffer.o \
compat.o compress.o crc32.o deattack.o fatal.o hostfile.o \
log.o match.o moduli.o mpaux.o nchan.o packet.o \
readpass.o rsa.o tildexpand.o ttymodes.o xmalloc.o \
atomicio.o key.o dispatch.o kex.o mac.o uuencode.o misc.o \
atomicio.o key.o dispatch.o kex.o mac.o uidswap.c uuencode.o misc.o \
monitor_fdpass.o rijndael.o ssh-dss.o ssh-rsa.o dh.o kexdh.o \
kexgex.o kexdhc.o kexgexc.o scard.o msg.o progressmeter.o dns.o \
entropy.o scard-opensc.o gss-genr.o
@ -76,7 +76,7 @@ SSHOBJS= ssh.o readconf.o clientloop.o sshtty.o \
sshconnect.o sshconnect1.o sshconnect2.o
SSHDOBJS=sshd.o auth-rhosts.o auth-passwd.o auth-rsa.o auth-rh-rsa.o \
sshpty.o sshlogin.o servconf.o serverloop.o uidswap.o \
sshpty.o sshlogin.o servconf.o serverloop.o \
auth.o auth1.o auth2.o auth-options.o session.o \
auth-chall.o auth2-chall.o groupaccess.o \
auth-skey.o auth-bsdauth.o auth2-hostbased.o auth2-kbdint.o \

12
ssh-keysign.c
View File

@ -41,6 +41,7 @@ RCSID("$OpenBSD: ssh-keysign.c,v 1.16 2004/04/18 23:10:26 djm Exp $");
#include "canohost.h"
#include "pathnames.h"
#include "readconf.h"
#include "uidswap.h"
/* XXX readconf.c needs these */
uid_t original_real_uid;
@ -150,8 +151,11 @@ main(int argc, char **argv)
key_fd[0] = open(_PATH_HOST_RSA_KEY_FILE, O_RDONLY);
key_fd[1] = open(_PATH_HOST_DSA_KEY_FILE, O_RDONLY);
seteuid(getuid());
setuid(getuid());
if ((pw = getpwuid(getuid())) == NULL)
fatal("getpwuid failed");
pw = pwcopy(pw);
permanently_set_uid(pw);
init_rng();
seed_rng();
@ -173,10 +177,6 @@ main(int argc, char **argv)
if (key_fd[0] == -1 && key_fd[1] == -1)
fatal("could not open any host key");
if ((pw = getpwuid(getuid())) == NULL)
fatal("getpwuid failed");
pw = pwcopy(pw);
SSLeay_add_all_algorithms();
for (i = 0; i < 256; i++)
rnd[i] = arc4random();

7
ssh.c
View File

@ -71,6 +71,7 @@ RCSID("$OpenBSD: ssh.c,v 1.224 2004/07/28 09:40:29 markus Exp $");
#include "match.h"
#include "msg.h"
#include "monitor_fdpass.h"
#include "uidswap.h"
#ifdef SMARTCARD
#include "scard.h"
@ -644,8 +645,10 @@ again:
* user's home directory if it happens to be on a NFS volume where
* root is mapped to nobody.
*/
seteuid(original_real_uid);
setuid(original_real_uid);
if (original_effective_uid == 0) {
PRIV_START;
permanently_set_uid(pw);
}
/*
* Now that we are back to our own permissions, create ~/.ssh