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| author | Guillem Jover <guillem@debian.org> | 2012-04-28 18:33:08 +0200 |
|---|---|---|
| committer | Guillem Jover <guillem@debian.org> | 2012-05-23 09:09:22 +0200 |
| commit | 2bf4b48a9a6f7ddf854179b4b74013534e4594b9 (patch) | |
| tree | 5170fb6602115dae040b44a0a5bada113d1f6645 /dpkg-deb/main.c | |
| parent | 157d6447eee0da5e2e393e205dcdd0bcab404c30 (diff) | |
| download | dpkg-2bf4b48a9a6f7ddf854179b4b74013534e4594b9.tar.gz | |
Check parsed integers for out of range errors
Verify that the numbers are not out of the range; i.e. that no negative
values are allowed if not appropriate, and that no overflows occur.
Closes: #580038
Diffstat (limited to 'dpkg-deb/main.c')
| -rw-r--r-- | dpkg-deb/main.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/dpkg-deb/main.c b/dpkg-deb/main.c index 812fcae8a..f56eda279 100644 --- a/dpkg-deb/main.c +++ b/dpkg-deb/main.c @@ -3,6 +3,7 @@ * main.c - main program * * Copyright © 1994,1995 Ian Jackson <ian@chiark.greenend.org.uk> + * Copyright © 2006-2012 Guillem Jover <guillem@debian.org> * * This is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -30,6 +31,7 @@ #if HAVE_LOCALE_H #include <locale.h> #endif +#include <errno.h> #include <ctype.h> #include <string.h> #include <dirent.h> @@ -150,8 +152,9 @@ set_compress_level(const struct cmdinfo *cip, const char *value) long level; char *end; + errno = 0; level = strtol(value, &end, 0); - if (value == end || *end || level > INT_MAX) + if (value == end || *end || errno != 0) badusage(_("invalid integer for -%c: '%.250s'"), cip->oshort, value); if (level < 0 || level > 9) |