From: Alejandro Colomar <alx@kernel.org>
Date: Fri, 15 Nov 2024 22:55:18 +0000 (+0100)
Subject: lib/, src/: motd(): Report errors instead of exiting from library code
X-Git-Tag: 4.17.3~24
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2a583e945dd302a842ee62effa66a0ce29fd00ea;p=thirdparty%2Fshadow.git

lib/, src/: motd(): Report errors instead of exiting from library code

Signed-off-by: Alejandro Colomar <alx@kernel.org>
---

diff --git a/lib/motd.c b/lib/motd.c
index bed9efae2..a2efc4ea1 100644
--- a/lib/motd.c
+++ b/lib/motd.c
@@ -17,7 +17,6 @@
 #include "defines.h"
 #include "getdef.h"
 #include "prototypes.h"
-#include "string/strdup/xstrdup.h"
 
 
 /*
@@ -27,7 +26,7 @@
  * it to the user's terminal at login time.  The MOTD_FILE configuration
  * option is a colon-delimited list of filenames.
  */
-void
+int
 motd(void)
 {
 	FILE *fp;
@@ -37,11 +36,12 @@ motd(void)
 	int c;
 
 	motdfile = getdef_str ("MOTD_FILE");
-	if (NULL == motdfile) {
-		return;
-	}
+	if (NULL == motdfile)
+		return 0;
 
-	motdlist = xstrdup (motdfile);
+	motdlist = strdup(motdfile);
+	if (motdlist == NULL)
+		return -1;
 
 	mb = motdlist;
 	while (NULL != (motdfile = strsep(&mb, ":"))) {
@@ -57,4 +57,5 @@ motd(void)
 	fflush (stdout);
 
 	free (motdlist);
+	return 0;
 }
diff --git a/lib/prototypes.h b/lib/prototypes.h
index f85c14663..79bd0fdd6 100644
--- a/lib/prototypes.h
+++ b/lib/prototypes.h
@@ -222,7 +222,7 @@ extern void login_prompt (char *, int);
 extern void mailcheck (void);
 
 /* motd.c */
-extern void motd (void);
+extern int motd(void);
 
 /* myname.c */
 extern /*@null@*//*@only@*/struct passwd *get_my_pwent (void);
diff --git a/src/login.c b/src/login.c
index 349df16d8..2866b1523 100644
--- a/src/login.c
+++ b/src/login.c
@@ -21,6 +21,7 @@
 #include <pwd.h>
 #include <signal.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/stat.h>
 #include <sys/ioctl.h>
 #include <assert.h>
@@ -1175,7 +1176,9 @@ int main (int argc, char **argv)
 		 * this
 		 */
 #ifndef USE_PAM
-		motd ();	/* print the message of the day */
+		if (motd() == -1)
+			exit(EXIT_FAILURE);
+
 		if (   getdef_bool ("FAILLOG_ENAB")
 		    && (0 != faillog.fail_cnt)) {
 			failprint (&faillog);