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authorAndrew Gregory <andrew.gregory.8@gmail.com>2013-08-09 09:15:40 -0400
committerAllan McRae <allan@archlinux.org>2013-08-21 11:13:46 +1000
commitd8c2ab0e6f52d9a790b608c254761ab4888bd547 (patch)
tree8757702b8b428337c06056f8e3e24efc6d7664c4
parent15b667ef36c1720e12160f2ca983f9783ddaf3e4 (diff)
conflict.c: fix directory ownership check
* append "/" to directories before searching package file lists * use lstat over stat so symlinks aren't resolved * fix the inverted check for stat's return value Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com> Signed-off-by: Allan McRae <allan@archlinux.org>
-rw-r--r--lib/libalpm/conflict.c16
-rw-r--r--test/pacman/tests/fileconflict031.py16
-rw-r--r--test/pacman/tests/fileconflict032.py17
3 files changed, 45 insertions, 4 deletions
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index a00efe5c..54ed25e7 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -323,7 +323,7 @@ static int dir_belongsto_pkgs(alpm_handle_t *handle, const char *dirpath,
while((ent = readdir(dir)) != NULL) {
const char *name = ent->d_name;
- int owned = 0;
+ int owned = 0, is_dir = 0;
alpm_list_t *i;
struct stat sbuf;
@@ -331,8 +331,16 @@ static int dir_belongsto_pkgs(alpm_handle_t *handle, const char *dirpath,
continue;
}
- snprintf(path, PATH_MAX, "%s%s", dirpath, name);
- snprintf(full_path, PATH_MAX, "%s%s", handle->root, path);
+ snprintf(full_path, PATH_MAX, "%s%s%s", handle->root, dirpath, name);
+
+ if(lstat(full_path, &sbuf) != 0) {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "could not stat %s\n", full_path);
+ closedir(dir);
+ return 0;
+ }
+ is_dir = S_ISDIR(sbuf.st_mode);
+
+ snprintf(path, PATH_MAX, "%s%s%s", dirpath, name, is_dir ? "/" : "");
for(i = pkgs; i && !owned; i = i->next) {
if(alpm_filelist_contains(alpm_pkg_get_files(i->data), path)) {
@@ -340,7 +348,7 @@ static int dir_belongsto_pkgs(alpm_handle_t *handle, const char *dirpath,
}
}
- if(owned && stat(full_path, &sbuf) != 0 && S_ISDIR(sbuf.st_mode)) {
+ if(owned && is_dir) {
owned = dir_belongsto_pkgs(handle, path, pkgs);
}
diff --git a/test/pacman/tests/fileconflict031.py b/test/pacman/tests/fileconflict031.py
new file mode 100644
index 00000000..7d381412
--- /dev/null
+++ b/test/pacman/tests/fileconflict031.py
@@ -0,0 +1,16 @@
+self.description = "Dir->file transition filesystem conflict resolved by removal (with subdirectory)"
+
+lp1 = pmpkg("foo")
+lp1.files = ["foo/bar/"]
+self.addpkg2db("local", lp1)
+
+sp1 = pmpkg("foo", "2-1")
+sp1.conflicts = ["foo"]
+sp1.files = ["foo"]
+self.addpkg2db("sync", sp1)
+
+self.args = "-S %s" % sp1.name
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("PKG_VERSION=foo|2-1")
+self.addrule("FILE_EXIST=foo")
diff --git a/test/pacman/tests/fileconflict032.py b/test/pacman/tests/fileconflict032.py
new file mode 100644
index 00000000..9a677359
--- /dev/null
+++ b/test/pacman/tests/fileconflict032.py
@@ -0,0 +1,17 @@
+self.description = "Dir->file transition filesystem conflict resolved by removal (with symlink)"
+
+self.filesystem = ["baz/quux"]
+
+lp1 = pmpkg("foo")
+lp1.files = ["foo/bar -> ../baz/"]
+self.addpkg2db("local", lp1)
+
+sp1 = pmpkg("foo", "2-1")
+sp1.files = ["foo"]
+self.addpkg2db("sync", sp1)
+
+self.args = "-S %s" % sp1.name
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("PKG_VERSION=foo|2-1")
+self.addrule("FILE_EXIST=foo")