91 lines
2.0 KiB
Diff
91 lines
2.0 KiB
Diff
From a4e32c3d29e93866c180b5837f8aee3989dac3e9 Mon Sep 17 00:00:00 2001
|
|
From: Kamil Dudka <kdudka@redhat.com>
|
|
Date: Tue, 6 Nov 2018 17:24:05 +0100
|
|
Subject: [PATCH] libtar: fix programming mistakes detected by static analysis
|
|
|
|
---
|
|
lib/append.c | 7 +++++++
|
|
lib/wrapper.c | 11 +++++++----
|
|
libtar/libtar.c | 1 +
|
|
3 files changed, 15 insertions(+), 4 deletions(-)
|
|
|
|
diff --git a/lib/append.c b/lib/append.c
|
|
index ff58532..6386a50 100644
|
|
--- a/lib/append.c
|
|
+++ b/lib/append.c
|
|
@@ -110,9 +110,16 @@ tar_append_file(TAR *t, const char *realname, const char *savename)
|
|
td->td_dev = s.st_dev;
|
|
td->td_h = libtar_hash_new(256, (libtar_hashfunc_t)ino_hash);
|
|
if (td->td_h == NULL)
|
|
+ {
|
|
+ free(td);
|
|
return -1;
|
|
+ }
|
|
if (libtar_hash_add(t->h, td) == -1)
|
|
+ {
|
|
+ libtar_hash_free(td->td_h, free);
|
|
+ free(td);
|
|
return -1;
|
|
+ }
|
|
}
|
|
libtar_hashptr_reset(&hp);
|
|
if (libtar_hash_getkey(td->td_h, &hp, &(s.st_ino),
|
|
diff --git a/lib/wrapper.c b/lib/wrapper.c
|
|
index 44cc435..2d3f5b9 100644
|
|
--- a/lib/wrapper.c
|
|
+++ b/lib/wrapper.c
|
|
@@ -97,6 +97,7 @@ tar_append_tree(TAR *t, char *realdir, char *savedir)
|
|
struct dirent *dent;
|
|
DIR *dp;
|
|
struct stat s;
|
|
+ int ret = -1;
|
|
|
|
#ifdef DEBUG
|
|
printf("==> tar_append_tree(0x%lx, \"%s\", \"%s\")\n",
|
|
@@ -130,24 +131,26 @@ tar_append_tree(TAR *t, char *realdir, char *savedir)
|
|
dent->d_name);
|
|
|
|
if (lstat(realpath, &s) != 0)
|
|
- return -1;
|
|
+ goto fail;
|
|
|
|
if (S_ISDIR(s.st_mode))
|
|
{
|
|
if (tar_append_tree(t, realpath,
|
|
(savedir ? savepath : NULL)) != 0)
|
|
- return -1;
|
|
+ goto fail;
|
|
continue;
|
|
}
|
|
|
|
if (tar_append_file(t, realpath,
|
|
(savedir ? savepath : NULL)) != 0)
|
|
- return -1;
|
|
+ goto fail;
|
|
}
|
|
|
|
+ ret = 0;
|
|
+fail:
|
|
closedir(dp);
|
|
|
|
- return 0;
|
|
+ return ret;
|
|
}
|
|
|
|
|
|
diff --git a/libtar/libtar.c b/libtar/libtar.c
|
|
index 23f8741..ac339e7 100644
|
|
--- a/libtar/libtar.c
|
|
+++ b/libtar/libtar.c
|
|
@@ -92,6 +92,7 @@ gzopen_frontend(char *pathname, int oflags, int mode)
|
|
if (!gzf)
|
|
{
|
|
errno = ENOMEM;
|
|
+ close(fd);
|
|
return -1;
|
|
}
|
|
|
|
--
|
|
2.17.2
|
|
|