===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/auth-rhosts.c,v
retrieving revision 1.16
retrieving revision 1.16.2.6
diff -u -r1.16 -r1.16.2.6
--- src/usr.bin/ssh/auth-rhosts.c	2000/10/03 18:03:03	1.16
+++ src/usr.bin/ssh/auth-rhosts.c	2002/03/08 17:04:41	1.16.2.6
@@ -14,21 +14,26 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: auth-rhosts.c,v 1.16 2000/10/03 18:03:03 markus Exp $");
+RCSID("$OpenBSD: auth-rhosts.c,v 1.16.2.6 2002/03/08 17:04:41 brad Exp $");
 
 #include "packet.h"
-#include "ssh.h"
-#include "xmalloc.h"
 #include "uidswap.h"
+#include "pathnames.h"
+#include "log.h"
 #include "servconf.h"
+#include "canohost.h"
+#include "auth.h"
 
+/* import */
+extern ServerOptions options;
+
 /*
  * This function processes an rhosts-style file (.rhosts, .shosts, or
  * /etc/hosts.equiv).  This returns true if authentication can be granted
  * based on the file, and returns zero otherwise.
  */
 
-int
+static int
 check_rhosts_file(const char *filename, const char *hostname,
 		  const char *ipaddr, const char *client_user,
 		  const char *server_user)
@@ -147,25 +152,40 @@
 int
 auth_rhosts(struct passwd *pw, const char *client_user)
 {
-	extern ServerOptions options;
-	char buf[1024];
 	const char *hostname, *ipaddr;
+	int ret;
+
+	hostname = get_canonical_hostname(options.verify_reverse_mapping);
+	ipaddr = get_remote_ipaddr();
+	ret = auth_rhosts2(pw, client_user, hostname, ipaddr);
+	return ret;
+}
+
+int
+auth_rhosts2(struct passwd *pw, const char *client_user, const char *hostname,
+    const char *ipaddr)
+{
+	char buf[1024];
 	struct stat st;
 	static const char *rhosts_files[] = {".shosts", ".rhosts", NULL};
-	unsigned int rhosts_file_index;
+	u_int rhosts_file_index;
 
+	debug2("auth_rhosts2: clientuser %s hostname %s ipaddr %s",
+	    client_user, hostname, ipaddr);
+
 	/* no user given */
 	if (pw == NULL)
 		return 0;
+
 	/* Switch to the user's uid. */
-	temporarily_use_uid(pw->pw_uid);
+	temporarily_use_uid(pw);
 	/*
 	 * Quick check: if the user has no .shosts or .rhosts files, return
 	 * failure immediately without doing costly lookups from name
 	 * servers.
 	 */
 	for (rhosts_file_index = 0; rhosts_files[rhosts_file_index];
-	     rhosts_file_index++) {
+	    rhosts_file_index++) {
 		/* Check users .rhosts or .shosts. */
 		snprintf(buf, sizeof buf, "%.500s/%.100s",
 			 pw->pw_dir, rhosts_files[rhosts_file_index]);
@@ -177,25 +197,22 @@
 
 	/* Deny if The user has no .shosts or .rhosts file and there are no system-wide files. */
 	if (!rhosts_files[rhosts_file_index] &&
-	    stat("/etc/hosts.equiv", &st) < 0 &&
-	    stat(SSH_HOSTS_EQUIV, &st) < 0)
+	    stat(_PATH_RHOSTS_EQUIV, &st) < 0 &&
+	    stat(_PATH_SSH_HOSTS_EQUIV, &st) < 0)
 		return 0;
 
-	hostname = get_canonical_hostname();
-	ipaddr = get_remote_ipaddr();
-
 	/* If not logging in as superuser, try /etc/hosts.equiv and shosts.equiv. */
 	if (pw->pw_uid != 0) {
-		if (check_rhosts_file("/etc/hosts.equiv", hostname, ipaddr, client_user,
-				      pw->pw_name)) {
+		if (check_rhosts_file(_PATH_RHOSTS_EQUIV, hostname, ipaddr,
+		    client_user, pw->pw_name)) {
 			packet_send_debug("Accepted for %.100s [%.100s] by /etc/hosts.equiv.",
-					  hostname, ipaddr);
+			    hostname, ipaddr);
 			return 1;
 		}
-		if (check_rhosts_file(SSH_HOSTS_EQUIV, hostname, ipaddr, client_user,
-				      pw->pw_name)) {
+		if (check_rhosts_file(_PATH_SSH_HOSTS_EQUIV, hostname, ipaddr,
+		    client_user, pw->pw_name)) {
 			packet_send_debug("Accepted for %.100s [%.100s] by %.100s.",
-				      hostname, ipaddr, SSH_HOSTS_EQUIV);
+			    hostname, ipaddr, _PATH_SSH_HOSTS_EQUIV);
 			return 1;
 		}
 	}
@@ -212,7 +229,7 @@
 	}
 	if (options.strict_modes &&
 	    ((st.st_uid != 0 && st.st_uid != pw->pw_uid) ||
-	     (st.st_mode & 022) != 0)) {
+	    (st.st_mode & 022) != 0)) {
 		log("Rhosts authentication refused for %.100s: bad ownership or modes for home directory.",
 		    pw->pw_name);
 		packet_send_debug("Rhosts authentication refused for %.100s: bad ownership or modes for home directory.",
@@ -220,11 +237,11 @@
 		return 0;
 	}
 	/* Temporarily use the user's uid. */
-	temporarily_use_uid(pw->pw_uid);
+	temporarily_use_uid(pw);
 
 	/* Check all .rhosts files (currently .shosts and .rhosts). */
 	for (rhosts_file_index = 0; rhosts_files[rhosts_file_index];
-	     rhosts_file_index++) {
+	    rhosts_file_index++) {
 		/* Check users .rhosts or .shosts. */
 		snprintf(buf, sizeof buf, "%.500s/%.100s",
 			 pw->pw_dir, rhosts_files[rhosts_file_index]);
@@ -239,7 +256,7 @@
 		 */
 		if (options.strict_modes &&
 		    ((st.st_uid != 0 && st.st_uid != pw->pw_uid) ||
-		     (st.st_mode & 022) != 0)) {
+		    (st.st_mode & 022) != 0)) {
 			log("Rhosts authentication refused for %.100s: bad modes for %.200s",
 			    pw->pw_name, buf);
 			packet_send_debug("Bad file modes for %.200s", buf);