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Iker Pedrosa 5d0d784197 Fix covscan BUFFER_SIZE

Error: BUFFER_SIZE (CWE-170): [#def6]
shadow-4.8.1/libmisc/failure.c:101: buffer_size_warning: Calling "strncpy" with a maximum size argument of 12 bytes on destination array "fl->fail_line" of size 12 bytes might leave the destination string unterminated.
   99|   	}
  100|
  101|-> 	strncpy (fl->fail_line, tty, sizeof fl->fail_line);
  102|   	(void) time (&fl->fail_time);
  103|

Error: BUFFER_SIZE (CWE-170): [#def9]
shadow-4.8.1/libmisc/log.c:103: buffer_size_warning: Calling "strncpy" with a maximum size argument of 32 bytes on destination array "newlog.ll_line" of size 32 bytes might leave the destination string unterminated.
  101|   	(void) time (&ll_time);
  102|   	newlog.ll_time = ll_time;
  103|-> 	strncpy (newlog.ll_line, line, sizeof newlog.ll_line);
  104|   #if HAVE_LL_HOST
  105|   	strncpy (newlog.ll_host, host, sizeof newlog.ll_host);

Error: BUFFER_SIZE (CWE-170): [#def10]
shadow-4.8.1/libmisc/log.c:105: buffer_size_warning: Calling "strncpy" with a maximum size argument of 256 bytes on destination array "newlog.ll_host" of size 256 bytes might leave the destination string unterminated.
  103|   	strncpy (newlog.ll_line, line, sizeof newlog.ll_line);
  104|   #if HAVE_LL_HOST
  105|-> 	strncpy (newlog.ll_host, host, sizeof newlog.ll_host);
  106|   #endif
  107|   	if (   (lseek (fd, offset, SEEK_SET) != offset)

Error: BUFFER_SIZE (CWE-170): [#def13]
shadow-4.8.1/libmisc/utmp.c:260: buffer_size_warning: Calling "strncpy" with a maximum size argument of 32 bytes on destination array "utent->ut_line" of size 32 bytes might leave the destination string unterminated.
  258|   #endif				/* HAVE_STRUCT_UTMP_UT_TYPE */
  259|   	utent->ut_pid = getpid ();
  260|-> 	strncpy (utent->ut_line, line,      sizeof (utent->ut_line));
  261|   #ifdef HAVE_STRUCT_UTMP_UT_ID
  262|   	if (NULL != ut) {

Error: BUFFER_SIZE (CWE-170): [#def14]
shadow-4.8.1/libmisc/utmp.c:266: buffer_size_warning: Calling "strncpy" with a maximum size argument of 4 bytes on destination array "utent->ut_id" of size 4 bytes might leave the destination string unterminated.
  264|   	} else {
  265|   		/* XXX - assumes /dev/tty?? */
  266|-> 		strncpy (utent->ut_id, line + 3, sizeof (utent->ut_id));
  267|   	}
  268|   #endif				/* HAVE_STRUCT_UTMP_UT_ID */

Error: BUFFER_SIZE (CWE-170): [#def15]
shadow-4.8.1/libmisc/utmp.c:273: buffer_size_warning: Calling "strncpy" with a maximum size argument of 32 bytes on destination array "utent->ut_user" of size 32 bytes might leave the destination string unterminated.
  271|   #endif				/* HAVE_STRUCT_UTMP_UT_NAME */
  272|   #ifdef HAVE_STRUCT_UTMP_UT_USER
  273|-> 	strncpy (utent->ut_user, name,      sizeof (utent->ut_user));
  274|   #endif				/* HAVE_STRUCT_UTMP_UT_USER */
  275|   	if (NULL != hostname) {

Error: BUFFER_SIZE (CWE-170): [#def16]
shadow-4.8.1/libmisc/utmp.c:278: buffer_size_warning: Calling "strncpy" with a maximum size argument of 256 bytes on destination array "utent->ut_host" of size 256 bytes might leave the destination string unterminated.
  276|   		struct addrinfo *info = NULL;
  277|   #ifdef HAVE_STRUCT_UTMP_UT_HOST
  278|-> 		strncpy (utent->ut_host, hostname, sizeof (utent->ut_host));
  279|   #endif				/* HAVE_STRUCT_UTMP_UT_HOST */
  280|   #ifdef HAVE_STRUCT_UTMP_UT_SYSLEN

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>

2021-06-16 09:50:53 +02:00

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