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Fix overflow problem when giving a username that is too long.

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Also minor declaration/header fixes while auditing the code.
This commit is contained in:
Mark Murray 2001-08-20 12:52:49 +00:00
parent 2449bf28ad
commit 432f97766d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=81973
1 changed files with 9 additions and 1 deletions
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10
contrib/opie/opieinfo.c
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@ -35,14 +35,17 @@ License Agreement applies to this software.
*/
#include "opie_cfg.h"
#include <sys/param.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
#include "opie.h"
/* extern char *optarg; */
extern int errno, optind;
/* extern int errno, optind; */
static char *getusername FUNCTION_NOARGS
{
@ -82,6 +85,11 @@ int main FUNCTION((argc, argv), int argc AND char *argv[])
} else
username = getusername();
if (strlen(username) >= MAXLOGNAME) {
fprintf(stderr, "Username too long.\n");
exit(1);
}
if ((i = opielookup(&opie, username)) && (i != 2)) {
if (i < 0)
fprintf(stderr, "Error opening database! (errno = %d)\n", errno);