33 lines
1 KiB
Diff
33 lines
1 KiB
Diff
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diff -up shadow-4.1.2/src/groupmems.c.checkName shadow-4.1.2/src/groupmems.c
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--- shadow-4.1.2/src/groupmems.c.checkName 2008-09-24 11:17:02.000000000 +0200
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+++ shadow-4.1.2/src/groupmems.c 2008-09-24 14:03:01.000000000 +0200
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@@ -43,6 +43,7 @@
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#include <pwd.h>
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#include "defines.h"
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#include "groupio.h"
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+#include "chkname.h"
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/* Exit Status Values */
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@@ -54,6 +55,7 @@
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#define EXIT_NOT_PRIMARY 5 /* not primary owner of group */
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#define EXIT_NOT_MEMBER 6 /* member of group does not exist */
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#define EXIT_MEMBER_EXISTS 7 /* member of group already exists */
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+#define E_BAD_ARG 8 /* invalid argument to option */
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#define TRUE 1
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#define FALSE 0
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@@ -225,6 +227,12 @@ int main (int argc, char **argv)
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usage ();
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}
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+ /* check if user names is valid */
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+ if ( adduser && !check_user_name (adduser)) {
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+ fprintf (stderr, _("%s is not a valid user name\n"), adduser);
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+ exit (E_BAD_ARG);
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+ }
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+
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if (!isroot () && NULL != thisgroup) {
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fputs (_("Only root can add members to different groups\n"),
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stderr);
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