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audit small applets and mark some of them as NOFORK.

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Put big scary warnings in relevant places.
This commit is contained in:
Denis Vlasenko
2007-04-10 15:43:37 +00:00
parent ff131b980d
commit 99912ca733
41 changed files with 173 additions and 128 deletions
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11
libbb/copyfd.c
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@@ -7,19 +7,15 @@
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "libbb.h"
#if BUFSIZ < 4096
#undef BUFSIZ
#define BUFSIZ 4096
#endif
/* Used by NOFORK applets (e.g. cat) - must be very careful
* when calling xfuncs, allocating memory, with signals, termios, etc... */
static off_t bb_full_fd_action(int src_fd, int dst_fd, off_t size)
{
@@ -27,7 +23,8 @@ static off_t bb_full_fd_action(int src_fd, int dst_fd, off_t size)
off_t total = 0;
RESERVE_CONFIG_BUFFER(buffer, BUFSIZ);
if (src_fd < 0) goto out;
if (src_fd < 0)
goto out;
if (!size) {
size = BUFSIZ;