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pkg: recursive create exec dir 

fixes #10825
cute-signatures
Timo Teräs 2022-03-29 09:59:59 +03:00
parent a0bfa074f8
commit d0821b6d42
1 changed files with 34 additions and 15 deletions
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49
src/package.c
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@ -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));
}
#ifdef __linux__
static inline void make_device_tree(struct apk_database *db)
static inline int make_dirs(int root_fd, const char *dirname, mode_t dirmode, mode_t parentmode)
{
if (faccessat(db->root_fd, "dev", F_OK, 0) == 0) return;
char parentdir[PATH_MAX], *slash;
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(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 int make_device_tree(struct apk_database *db)
{
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]);