From d8c2ab0e6f52d9a790b608c254761ab4888bd547 Mon Sep 17 00:00:00 2001 From: Andrew Gregory Date: Fri, 9 Aug 2013 09:15:40 -0400 Subject: 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 Signed-off-by: Allan McRae --- lib/libalpm/conflict.c | 16 ++++++++++++---- test/pacman/tests/fileconflict031.py | 16 ++++++++++++++++ test/pacman/tests/fileconflict032.py | 17 +++++++++++++++++ 3 files changed, 45 insertions(+), 4 deletions(-) create mode 100644 test/pacman/tests/fileconflict031.py create mode 100644 test/pacman/tests/fileconflict032.py 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") -- cgit v1.2.3-24-g4f1b