- djm@cvs.openbsd.org 2009/08/27 17:28:52

     [sftp-server.c]
     allow setting an explicit umask on the commandline to override whatever
     default the user has. bz#1229; ok dtucker@ deraadt@ markus@

1 files changed, 13 insertions, 3 deletions

diff --git a/sftp-server.c b/sftp-server.c
index d984e6049..d144001bb 100644
--- a/sftp-server.c
+++ b/sftp-server.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp-server.c,v 1.85 2009/04/14 16:33:42 stevesk Exp $ */
+/* $OpenBSD: sftp-server.c,v 1.86 2009/08/27 17:28:52 djm Exp $ */
 /*
  * Copyright (c) 2000-2004 Markus Friedl.  All rights reserved.
  *
@@ -1322,7 +1322,8 @@ sftp_server_usage(void)
         extern char *__progname;
 
         fprintf(stderr,
-            "usage: %s [-he] [-l log_level] [-f log_facility]\n", __progname);
+            "usage: %s [-he] [-l log_level] [-f log_facility] [-u umask]\n",
+            __progname);
         exit(1);
 }
 
@@ -1334,6 +1335,8 @@ sftp_server_main(int argc, char **argv, struct passwd *user_pw)
         ssize_t len, olen, set_size;
         SyslogFacility log_facility = SYSLOG_FACILITY_AUTH;
         char *cp, buf[4*4096];
+        const char *errmsg;
+        mode_t mask;
 
         extern char *optarg;
         extern char *__progname;
@@ -1341,7 +1344,7 @@ sftp_server_main(int argc, char **argv, struct passwd *user_pw)
         __progname = ssh_get_progname(argv[0]);
         log_init(__progname, log_level, log_facility, log_stderr);
 
-        while (!skipargs && (ch = getopt(argc, argv, "f:l:che")) != -1) {
+        while (!skipargs && (ch = getopt(argc, argv, "f:l:u:che")) != -1) {
                 switch (ch) {
                 case 'c':
                         /*
@@ -1363,6 +1366,13 @@ sftp_server_main(int argc, char **argv, struct passwd *user_pw)
                         if (log_facility == SYSLOG_FACILITY_NOT_SET)
                                 error("Invalid log facility \"%s\"", optarg);
                         break;
+                case 'u':
+                        mask = (mode_t)strtonum(optarg, 0, 0777, &errmsg);
+                        if (cp != NULL)
+                                fatal("Invalid umask \"%s\": %s",
+                                    optarg, errmsg);
+                        (void)umask(mask);
+                        break;
                 case 'h':
                 default:
                         sftp_server_usage();