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authorBen Lindstrom <mouring@eviladmin.org>2001-04-08 18:26:59 +0000
committerBen Lindstrom <mouring@eviladmin.org>2001-04-08 18:26:59 +0000
commit3fcf1a22b52ed8e66d2cf548d5d4528f67377af9 (patch)
treeb635cae14328f373bb682395ab066ee819dd77c4 /sshconnect.c
parentd344763643339b5ddc075cf7b8c8fb4404dc0aa0 (diff)
- markus@cvs.openbsd.org 2001/04/06 21:00:17
[auth-rh-rsa.c auth-rhosts.c auth-rsa.c auth2.c channels.c session.c ssh.c sshconnect.c sshconnect.h uidswap.c uidswap.h] do gid/groups-swap in addition to uid-swap, should help if /home/group is chmod 750 + chgrp grp /home/group/, work be deraadt and me, thanks to olar@openwall.com is comments. we had many requests for this.
Diffstat (limited to 'sshconnect.c')
-rw-r--r--sshconnect.c25
1 files changed, 10 insertions, 15 deletions
diff --git a/sshconnect.c b/sshconnect.c
index 754ac124..85427b44 100644
--- a/sshconnect.c
+++ b/sshconnect.c
@@ -13,7 +13,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: sshconnect.c,v 1.102 2001/04/05 10:42:55 markus Exp $");
+RCSID("$OpenBSD: sshconnect.c,v 1.103 2001/04/06 21:00:14 markus Exp $");
#include <openssl/bn.h>
@@ -45,7 +45,7 @@ extern int IPv4or6;
* Connect to the given ssh server using a proxy command.
*/
int
-ssh_proxy_connect(const char *host, u_short port, uid_t original_real_uid,
+ssh_proxy_connect(const char *host, u_short port, struct passwd *pw,
const char *proxy_command)
{
Buffer command;
@@ -96,7 +96,7 @@ ssh_proxy_connect(const char *host, u_short port, uid_t original_real_uid,
char *argv[10];
/* Child. Permanently give up superuser privileges. */
- permanently_set_uid(original_real_uid);
+ permanently_set_uid(pw);
/* Redirect stdin and stdout. */
close(pin[1]);
@@ -145,7 +145,7 @@ ssh_proxy_connect(const char *host, u_short port, uid_t original_real_uid,
* Creates a (possibly privileged) socket for use as the ssh connection.
*/
int
-ssh_create_socket(uid_t original_real_uid, int privileged, int family)
+ssh_create_socket(struct passwd *pw, int privileged, int family)
{
int sock;
@@ -165,7 +165,7 @@ ssh_create_socket(uid_t original_real_uid, int privileged, int family)
* Just create an ordinary socket on arbitrary port. We use
* the user's uid to create the socket.
*/
- temporarily_use_uid(original_real_uid);
+ temporarily_use_uid(pw);
sock = socket(family, SOCK_STREAM, 0);
if (sock < 0)
error("socket: %.100s", strerror(errno));
@@ -188,7 +188,7 @@ ssh_create_socket(uid_t original_real_uid, int privileged, int family)
int
ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
u_short port, int connection_attempts,
- int anonymous, uid_t original_real_uid,
+ int anonymous, struct passwd *pw,
const char *proxy_command)
{
int gaierr;
@@ -212,7 +212,7 @@ ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
}
/* If a proxy command is given, connect using it. */
if (proxy_command != NULL)
- return ssh_proxy_connect(host, port, original_real_uid, proxy_command);
+ return ssh_proxy_connect(host, port, pw, proxy_command);
/* No proxy command. */
@@ -248,7 +248,7 @@ ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
host, ntop, strport);
/* Create a socket for connecting. */
- sock = ssh_create_socket(original_real_uid,
+ sock = ssh_create_socket(pw,
#ifdef HAVE_CYGWIN
!anonymous,
#else
@@ -262,7 +262,7 @@ ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
* hope that it will help with tcp_wrappers showing
* the remote uid as root.
*/
- temporarily_use_uid(original_real_uid);
+ temporarily_use_uid(pw);
if (connect(sock, ai->ai_addr, ai->ai_addrlen) >= 0) {
/* Successful connection. */
memcpy(hostaddr, ai->ai_addr, ai->ai_addrlen);
@@ -739,16 +739,11 @@ check_host_key(char *host, struct sockaddr *hostaddr, Key *host_key,
*/
void
ssh_login(Key *own_host_key, const char *orighost,
- struct sockaddr *hostaddr, uid_t original_real_uid)
+ struct sockaddr *hostaddr, struct passwd *pw)
{
- struct passwd *pw;
char *host, *cp;
char *server_user, *local_user;
- /* Get local user name. Use it as server user if no user name was given. */
- pw = getpwuid(original_real_uid);
- if (!pw)
- fatal("User id %u not found from user database.", original_real_uid);
local_user = xstrdup(pw->pw_name);
server_user = options.user ? options.user : local_user;