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Prevent buffer overflow when using a scriptlet shell with a long path

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Observed in Nixpkgs.  Fixes #157.

Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Allan McRae 2024-06-18 09:24:03 +10:00
parent 9f8f94c056
commit 479f4d574a
1 changed files with 1 additions and 1 deletions
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2
lib/libalpm/trans.c
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@ -337,7 +337,7 @@ static int grep(const char *fn, const char *needle)
int _alpm_runscriptlet(alpm_handle_t *handle, const char *filepath, int _alpm_runscriptlet(alpm_handle_t *handle, const char *filepath,
const char *script, const char *ver, const char *oldver, int is_archive) const char *script, const char *ver, const char *oldver, int is_archive)
{ {
char arg0[64], arg1[3], cmdline[PATH_MAX]; char arg0[PATH_MAX], arg1[3], cmdline[PATH_MAX];
char *argv[] = { arg0, arg1, cmdline, NULL }; char *argv[] = { arg0, arg1, cmdline, NULL };
char *tmpdir, *scriptfn = NULL, *scriptpath; char *tmpdir, *scriptfn = NULL, *scriptpath;
int retval = 0; int retval = 0;