remove pointless dependency on passwd, and now it "actually works"!

openssh/sftp-server-main.c

@@ -35,16 +35,8 @@ cleanup_exit(int i)
 int
 main(int argc, char **argv)
 {
-	struct passwd *user_pw;
-
 	/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
 	sanitise_stdfd();
 
-	if ((user_pw = getpwuid(getuid())) == NULL) {
+	return (sftp_server_main(argc, argv));
-		fprintf(stderr, "No user found for uid %lu\n",
-		    (u_long)getuid());
-		return 1;
-	}
-
-	return (sftp_server_main(argc, argv, user_pw));
 }

openssh/sftp-server.c

@@ -33,11 +33,9 @@
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <pwd.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#include <pwd.h>
 #include <time.h>
 #include <unistd.h>
 #include <stdarg.h>
@@ -56,7 +54,6 @@
 #define get_string(lenp)		buffer_get_string(&iqueue, lenp);
 
 /* Our client */
-static struct passwd *pw = NULL;
 static char *client_addr = NULL;
 
 /* input and output queue */
@@ -1182,8 +1179,7 @@ process(void)
 	cp = buffer_ptr(&iqueue);
 	msg_len = get_u32(cp);
 	if (msg_len > SFTP_MAX_MSG_LENGTH) {
-		error("bad message from %s local user %s",
+		error("bad message from %s", client_addr);
-		    client_addr, pw->pw_name);
 		sftp_server_cleanup_exit(11);
 	}
 	if (buf_len < msg_len + 4)
@@ -1243,7 +1239,7 @@ sftp_server_cleanup_exit(int i)
 }
 
 int
-sftp_server_main(int argc, char **argv, struct passwd *user_pw)
+sftp_server_main(int argc, char **argv)
 {
 	fd_set rsetx, wsetx;
 	fd_set *rset = &rsetx, *wset = &wsetx;
@@ -1254,8 +1250,6 @@ sftp_server_main(int argc, char **argv, struct passwd *user_pw)
 
 	extern char *optarg;
 
-	pw = pwcopy(user_pw);
-
 	while (!skipargs && (ch = getopt(argc, argv,
 	    "d:f:l:P:p:Q:u:cehR")) != -1) {
 		switch (ch) {
@@ -1280,12 +1274,6 @@ sftp_server_main(int argc, char **argv, struct passwd *user_pw)
 			 */
 			skipargs = 1;
 			break;
-		case 'd':
-			cp = tilde_expand_filename(optarg, user_pw->pw_uid);
-			homedir = percent_expand(cp, "d", user_pw->pw_dir,
-			    "u", user_pw->pw_name, (char *)NULL);
-			free(cp);
-			break;
 		case 'p':
 			if (request_whitelist != NULL)
 				fatal("Permitted requests already set");

openssh/sftp.h

@@ -97,5 +97,5 @@
 
 struct passwd;
 
-int	sftp_server_main(int, char **, struct passwd *);
+int	sftp_server_main(int, char **);
 void	sftp_server_cleanup_exit(int) __attribute__((noreturn));