From: Wayne Davison <wayned@samba.org>
Date: Sun, 13 Dec 2009 00:43:13 +0000 (-0800)
Subject: Use seteuid() (if available) when using setuid().
X-Git-Tag: v3.0.7pre1~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=523dad4bb3f75e4e313aa2a8d08a98028b1d7a52;p=thirdparty%2Frsync.git

Use seteuid() (if available) when using setuid().
---

diff --git a/clientserver.c b/clientserver.c
index c8d2a0e7..ef559676 100644
--- a/clientserver.c
+++ b/clientserver.c
@@ -722,7 +722,11 @@ static int rsync_module(int f_in, int f_out, int i, char *addr, char *host)
 		}
 #endif
 
-		if (setuid(uid)) {
+		if (setuid(uid) < 0
+#ifdef HAVE_SETEUID
+		 || seteuid(uid) < 0
+#endif
+		) {
 			rsyserr(FLOG, errno, "setuid %d failed", (int)uid);
 			io_printf(f_out, "@ERROR: setuid failed\n");
 			return -1;
diff --git a/configure.in b/configure.in
index ee0c0a64..f0f8ab17 100644
--- a/configure.in
+++ b/configure.in
@@ -570,7 +570,7 @@ AC_CHECK_FUNCS(waitpid wait4 getcwd strdup chown chmod lchmod mknod mkfifo \
     memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
     strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
     setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
-    strerror putenv iconv_open locale_charset nl_langinfo getxattr \
+    seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
     extattr_get_link sigaction sigprocmask setattrlist)
 
 dnl cygwin iconv.h defines iconv_open as libiconv_open