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Fix for hard-coded length of login name.

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Submitted by:	Philippe Charnier <charnier@xp11.frmug.org>

Closes #PR bin/2755
This commit is contained in:
David Nugent 1997-02-18 05:47:07 +00:00
parent 25ed2ac223
commit a88368cfdf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=22873
1 changed files with 11 additions and 3 deletions
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14
usr.bin/at/at.c
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@ -33,6 +33,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/param.h>
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
@ -45,12 +46,19 @@
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <utmp.h>
#ifndef __FreeBSD__
#include <getopt.h>
#else
#include <locale.h>
#endif
#if (MAXLOGNAME-1) > UT_NAMESIZE
#define LOGNAMESIZE UT_NAMESIZE
#else
#define LOGNAMESIZE (MAXLOGNAME-1)
#endif
/* Local headers */
#include "at.h"
@ -306,7 +314,7 @@ writefile(time_t runtimer, char queue)
mailname = getenv("LOGNAME");
if ((mailname == NULL) || (mailname[0] == '\0')
|| (strlen(mailname) > 8) || (getpwnam(mailname)==NULL))
|| (strlen(mailname) > LOGNAMESIZE) || (getpwnam(mailname)==NULL))
{
pass_entry = getpwuid(real_uid);
if (pass_entry != NULL)
@ -319,8 +327,8 @@ writefile(time_t runtimer, char queue)
if (fpin == NULL)
perr("Cannot open input file");
}
fprintf(fp, "#!/bin/sh\n# atrun uid=%ld gid=%ld\n# mail %8s %d\n",
(long) real_uid, (long) real_gid, mailname, send_mail);
fprintf(fp, "#!/bin/sh\n# atrun uid=%ld gid=%ld\n# mail %*s %d\n",
(long) real_uid, (long) real_gid, LOGNAMESIZE, mailname, send_mail);
/* Write out the umask at the time of invocation
*/