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-rw-r--r--src/package.c49
1 files changed, 34 insertions, 15 deletions
diff --git a/src/package.c b/src/package.c
index a1c2c66..138ac6c 100644
--- a/src/package.c
+++ b/src/package.c
@@ -767,22 +767,39 @@ int apk_ipkg_add_script(struct apk_installed_package *ipkg,
return apk_ipkg_assign_script(ipkg, type, apk_blob_from_istream(is, size));
}
+static inline int make_dirs(int root_fd, const char *dirname, mode_t dirmode, mode_t parentmode)
+{
+ char parentdir[PATH_MAX], *slash;
+
+ if (faccessat(root_fd, dirname, F_OK, 0) == 0) return 0;
+ if (mkdirat(root_fd, dirname, dirmode) == 0) return 0;
+ if (errno != ENOENT || !parentmode) return -1;
+
+ slash = strrchr(dirname, '/');
+ if (!slash || slash == dirname || slash-dirname+1 >= sizeof parentdir) return -1;
+ strlcpy(parentdir, dirname, slash-dirname+1);
+ if (make_dirs(root_fd, parentdir, parentmode, parentmode) < 0) return -1;
+ return mkdirat(root_fd, dirname, dirmode);
+}
+
#ifdef __linux__
-static inline void make_device_tree(struct apk_database *db)
+static inline int make_device_tree(struct apk_database *db)
{
- if (faccessat(db->root_fd, "dev", F_OK, 0) == 0) return;
-
- mkdirat(db->root_fd, "dev", 0755);
- mknodat(db->root_fd, "dev/null", S_IFCHR | 0666, makedev(1, 3));
- mknodat(db->root_fd, "dev/zero", S_IFCHR | 0666, makedev(1, 5));
- mknodat(db->root_fd, "dev/random", S_IFCHR | 0666, makedev(1, 8));
- mknodat(db->root_fd, "dev/urandom", S_IFCHR | 0666, makedev(1, 9));
- mknodat(db->root_fd, "dev/console", S_IFCHR | 0600, makedev(5, 1));
+ if (faccessat(db->root_fd, "dev", F_OK, 0) == 0) return 0;
+ if (mkdirat(db->root_fd, "dev", 0755) < 0 ||
+ mknodat(db->root_fd, "dev/null", S_IFCHR | 0666, makedev(1, 3)) < 0 ||
+ mknodat(db->root_fd, "dev/zero", S_IFCHR | 0666, makedev(1, 5)) < 0 ||
+ mknodat(db->root_fd, "dev/random", S_IFCHR | 0666, makedev(1, 8)) < 0 ||
+ mknodat(db->root_fd, "dev/urandom", S_IFCHR | 0666, makedev(1, 9)) < 0 ||
+ mknodat(db->root_fd, "dev/console", S_IFCHR | 0600, makedev(5, 1)) < 0)
+ return -1;
+ return 0;
}
#else
-static inline void make_device_tree(struct apk_database *db)
+static inline int make_device_tree(struct apk_database *db)
{
(void) db;
+ return 0;
}
#endif
@@ -816,12 +833,14 @@ void apk_ipkg_run_script(struct apk_installed_package *ipkg,
return;
if (!db->script_dirs_checked) {
+ if (make_dirs(root_fd, "tmp", 01777, 0) <0 ||
+ make_dirs(root_fd, script_exec_dir, 0700, 0755) < 0||
+ make_device_tree(db) < 0) {
+ apk_err(out, "failed to prepare dirs for hook scripts: %s",
+ apk_error_str(errno));
+ goto err;
+ }
db->script_dirs_checked = 1;
- if (faccessat(root_fd, "tmp", F_OK, 0) != 0)
- mkdirat(root_fd, "tmp", 01777);
- if (faccessat(root_fd, script_exec_dir, F_OK, 0) != 0)
- mkdirat(root_fd, script_exec_dir, 0700);
- make_device_tree(db);
}
apk_msg(out, "Executing %s", &fn[strlen(script_exec_dir)+1]);