/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <assert.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <apr_lib.h>
#include <apr_file_info.h>
#include <apr_file_io.h>
#include <apr_fnmatch.h>
#include <apr_hash.h>
#include <apr_strings.h>
#include "md.h"
#include "md_crypt.h"
#include "md_json.h"
#include "md_log.h"
#include "md_store.h"
#include "md_store_fs.h"
#include "md_util.h"
#include "md_version.h"
/**************************************************************************************************/
/* file system based implementation of md_store_t */
#define MD_STORE_VERSION 3
typedef struct {
apr_fileperms_t dir;
apr_fileperms_t file;
} perms_t;
typedef struct md_store_fs_t md_store_fs_t;
struct md_store_fs_t {
md_store_t s;
const char *base; /* base directory of store */
perms_t def_perms;
perms_t group_perms[MD_SG_COUNT];
md_store_fs_cb *event_cb;
void *event_baton;
const unsigned char *key;
apr_size_t key_len;
int plain_pkey[MD_SG_COUNT];
int port_80;
int port_443;
};
#define FS_STORE(store) (md_store_fs_t*)(((char*)store)-offsetof(md_store_fs_t, s))
#define FS_STORE_JSON "md_store.json"
#define FS_STORE_KLEN 48
static apr_status_t fs_load(md_store_t *store, md_store_group_t group,
const char *name, const char *aspect,
md_store_vtype_t vtype, void **pvalue, apr_pool_t *p);
static apr_status_t fs_save(md_store_t *store, apr_pool_t *p, md_store_group_t group,
const char *name, const char *aspect,
md_store_vtype_t vtype, void *value, int create);
static apr_status_t fs_remove(md_store_t *store, md_store_group_t group,
const char *name, const char *aspect,
apr_pool_t *p, int force);
static apr_status_t fs_purge(md_store_t *store, apr_pool_t *p,
md_store_group_t group, const char *name);
static apr_status_t fs_move(md_store_t *store, apr_pool_t *p,
md_store_group_t from, md_store_group_t to,
const char *name, int archive);
static apr_status_t fs_iterate(md_store_inspect *inspect, void *baton, md_store_t *store,
apr_pool_t *p, md_store_group_t group, const char *pattern,
const char *aspect, md_store_vtype_t vtype);
static apr_status_t fs_get_fname(const char **pfname,
md_store_t *store, md_store_group_t group,
const char *name, const char *aspect,
apr_pool_t *p);
static int fs_is_newer(md_store_t *store, md_store_group_t group1, md_store_group_t group2,
const char *name, const char *aspect, apr_pool_t *p);
static apr_status_t init_store_file(md_store_fs_t *s_fs, const char *fname,
apr_pool_t *p, apr_pool_t *ptemp)
{
md_json_t *json = md_json_create(p);
const char *key64;
unsigned char *key;
apr_status_t rv;
md_json_setn(MD_STORE_VERSION, json, MD_KEY_STORE, MD_KEY_VERSION, NULL);
s_fs->key_len = FS_STORE_KLEN;
s_fs->key = key = apr_pcalloc(p, FS_STORE_KLEN);
if (APR_SUCCESS != (rv = md_rand_bytes(key, s_fs->key_len, p))) {
return rv;
}
key64 = md_util_base64url_encode((char *)key, s_fs->key_len, ptemp);
md_json_sets(key64, json, MD_KEY_KEY, NULL);
rv = md_json_fcreatex(json, ptemp, MD_JSON_FMT_INDENT, fname, MD_FPROT_F_UONLY);
memset((char*)key64, 0, strlen(key64));
return rv;
}
static apr_status_t rename_pkey(void *baton, apr_pool_t *p, apr_pool_t *ptemp,
const char *dir, const char *name,
apr_filetype_e ftype)
{
const char *from, *to;
apr_status_t rv = APR_SUCCESS;
MD_CHK_VARS;
(void)baton;
(void)ftype;
if ( MD_OK(md_util_path_merge(&from, ptemp, dir, name, NULL))
&& MD_OK(md_util_path_merge(&to, ptemp, dir, MD_FN_PRIVKEY, NULL))) {
md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, 0, p, "renaming %s/%s to %s",
dir, name, MD_FN_PRIVKEY);
return apr_file_rename(from, to, ptemp);
}
return rv;
}
static apr_status_t mk_pubcert(void *baton, apr_pool_t *p, apr_pool_t *ptemp,
const char *dir, const char *name,
apr_filetype_e ftype)
{
md_cert_t *cert;
apr_array_header_t *chain, *pubcert;
const char *fname, *fpubcert;
apr_status_t rv = APR_SUCCESS;
MD_CHK_VARS;
(void)baton;
(void)ftype;
(void)p;
if ( MD_OK(md_util_path_merge(&fpubcert, ptemp, dir, MD_FN_PUBCERT, NULL))
&& MD_IS_ERR(md_chain_fload(&pubcert, ptemp, fpubcert), ENOENT)
&& MD_OK(md_util_path_merge(&fname, ptemp, dir, name, NULL))
&& MD_OK(md_cert_fload(&cert, ptemp, fname))
&& MD_OK(md_util_path_merge(&fname, ptemp, dir, MD_FN_CHAIN, NULL))) {
rv = md_chain_fload(&chain, ptemp, fname);
if (APR_STATUS_IS_ENOENT(rv)) {
chain = apr_array_make(ptemp, 1, sizeof(md_cert_t*));
rv = APR_SUCCESS;
}
if (APR_SUCCESS == rv) {
pubcert = apr_array_make(ptemp, chain->nelts + 1, sizeof(md_cert_t*));
APR_ARRAY_PUSH(pubcert, md_cert_t *) = cert;
apr_array_cat(pubcert, chain);
rv = md_chain_fsave(pubcert, ptemp, fpubcert, MD_FPROT_F_UONLY);
}
}
return rv;
}
static apr_status_t upgrade_from_1_0(md_store_fs_t *s_fs, apr_pool_t *p, apr_pool_t *ptemp)
{
md_store_group_t g;
apr_status_t rv = APR_SUCCESS;
(void)ptemp;
/* Migrate pkey.pem -> privkey.pem */
for (g = MD_SG_NONE; g < MD_SG_COUNT && APR_SUCCESS == rv; ++g) {
rv = md_util_files_do(rename_pkey, s_fs, p, s_fs->base,
md_store_group_name(g), "*", "pkey.pem", NULL);
}
/* Generate fullcert.pem from cert.pem and chain.pem where missing */
rv = md_util_files_do(mk_pubcert, s_fs, p, s_fs->base,
md_store_group_name(MD_SG_DOMAINS), "*", MD_FN_CERT, NULL);
rv = md_util_files_do(mk_pubcert, s_fs, p, s_fs->base,
md_store_group_name(MD_SG_ARCHIVE), "*", MD_FN_CERT, NULL);
return rv;
}
static apr_status_t read_store_file(md_store_fs_t *s_fs, const char *fname,
apr_pool_t *p, apr_pool_t *ptemp)
{
md_json_t *json;
const char *key64, *key;
apr_status_t rv;
double store_version;
MD_CHK_VARS;
if (MD_OK(md_json_readf(&json, p, fname))) {
store_version = md_json_getn(json, MD_KEY_STORE, MD_KEY_VERSION, NULL);
if (store_version <= 0.0) {
/* ok, an old one, compatible to 1.0 */
store_version = 1.0;
}
if (store_version > MD_STORE_VERSION) {
md_log_perror(MD_LOG_MARK, MD_LOG_ERR, 0, p, "version too new: %f", store_version);
return APR_EINVAL;
}
key64 = md_json_dups(p, json, MD_KEY_KEY, NULL);
if (!key64) {
md_log_perror(MD_LOG_MARK, MD_LOG_ERR, 0, p, "missing key: %s", MD_KEY_KEY);
return APR_EINVAL;
}
s_fs->key_len = md_util_base64url_decode(&key, key64, p);
s_fs->key = (const unsigned char*)key;
if (s_fs->key_len != FS_STORE_KLEN) {
md_log_perror(MD_LOG_MARK, MD_LOG_ERR, 0, p, "key length unexpected: %" APR_SIZE_T_FMT,
s_fs->key_len);
return APR_EINVAL;
}
/* Need to migrate format? */
if (store_version < MD_STORE_VERSION) {
if (store_version <= 1.0) {
md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, 0, p, "migrating store v1 -> v2");
rv = upgrade_from_1_0(s_fs, p, ptemp);
}
if (store_version <= 2.0) {
md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, 0, p, "migrating store v2 -> v3");
md_json_del(json, MD_KEY_VERSION, NULL);
}
if (APR_SUCCESS == rv) {
md_json_setn(MD_STORE_VERSION, json, MD_KEY_STORE, MD_KEY_VERSION, NULL);
rv = md_json_freplace(json, ptemp, MD_JSON_FMT_INDENT, fname, MD_FPROT_F_UONLY);
}
md_log_perror(MD_LOG_MARK, MD_LOG_INFO, rv, p, "migrated store");
}
}
return rv;
}
static apr_status_t setup_store_file(void *baton, apr_pool_t *p, apr_pool_t *ptemp, va_list ap)
{
md_store_fs_t *s_fs = baton;
const char *fname;
apr_status_t rv;
MD_CHK_VARS;
(void)ap;
s_fs->plain_pkey[MD_SG_DOMAINS] = 1;
s_fs->plain_pkey[MD_SG_TMP] = 1;
if (!MD_OK(md_util_path_merge(&fname, ptemp, s_fs->base, FS_STORE_JSON, NULL))) {
return rv;
}
read:
if (MD_OK(md_util_is_file(fname, ptemp))) {
rv = read_store_file(s_fs, fname, p, ptemp);
}
else if (APR_STATUS_IS_ENOENT(rv)
&& MD_IS_ERR(init_store_file(s_fs, fname, p, ptemp), EEXIST)) {
goto read;
}
return rv;
}
apr_status_t md_store_fs_init(md_store_t **pstore, apr_pool_t *p, const char *path)
{
md_store_fs_t *s_fs;
apr_status_t rv = APR_SUCCESS;
MD_CHK_VARS;
s_fs = apr_pcalloc(p, sizeof(*s_fs));
s_fs->s.load = fs_load;
s_fs->s.save = fs_save;
s_fs->s.remove = fs_remove;
s_fs->s.move = fs_move;
s_fs->s.purge = fs_purge;
s_fs->s.iterate = fs_iterate;
s_fs->s.get_fname = fs_get_fname;
s_fs->s.is_newer = fs_is_newer;
/* by default, everything is only readable by the current user */
s_fs->def_perms.dir = MD_FPROT_D_UONLY;
s_fs->def_perms.file = MD_FPROT_F_UONLY;
/* Account information needs to be accessible to httpd child processes.
* private keys are, similar to staging, encrypted. */
s_fs->group_perms[MD_SG_ACCOUNTS].dir = MD_FPROT_D_UALL_WREAD;
s_fs->group_perms[MD_SG_ACCOUNTS].file = MD_FPROT_F_UALL_WREAD;
s_fs->group_perms[MD_SG_STAGING].dir = MD_FPROT_D_UALL_WREAD;
s_fs->group_perms[MD_SG_STAGING].file = MD_FPROT_F_UALL_WREAD;
/* challenges dir and files are readable by all, no secrets involved */
s_fs->group_perms[MD_SG_CHALLENGES].dir = MD_FPROT_D_UALL_WREAD;
s_fs->group_perms[MD_SG_CHALLENGES].file = MD_FPROT_F_UALL_WREAD;
s_fs->base = apr_pstrdup(p, path);
if (MD_IS_ERR(md_util_is_dir(s_fs->base, p), ENOENT)
&& MD_OK(apr_dir_make_recursive(s_fs->base, s_fs->def_perms.dir, p))) {
rv = apr_file_perms_set(s_fs->base, MD_FPROT_D_UALL_WREAD);
if (APR_STATUS_IS_ENOTIMPL(rv)) {
rv = APR_SUCCESS;
}
}
if ((APR_SUCCESS != rv) || !MD_OK(md_util_pool_vdo(setup_store_file, s_fs, p, NULL))) {
md_log_perror(MD_LOG_MARK, MD_LOG_ERR, rv, p, "init fs store at %s", path);
}
*pstore = (rv == APR_SUCCESS)? &(s_fs->s) : NULL;
return rv;
}
apr_status_t md_store_fs_default_perms_set(md_store_t *store,
apr_fileperms_t file_perms,
apr_fileperms_t dir_perms)
{
md_store_fs_t *s_fs = FS_STORE(store);
s_fs->def_perms.file = file_perms;
s_fs->def_perms.dir = dir_perms;
return APR_SUCCESS;
}
apr_status_t md_store_fs_group_perms_set(md_store_t *store, md_store_group_t group,
apr_fileperms_t file_perms,
apr_fileperms_t dir_perms)
{
md_store_fs_t *s_fs = FS_STORE(store);
if (group >= (sizeof(s_fs->group_perms)/sizeof(s_fs->group_perms[0]))) {
return APR_ENOTIMPL;
}
s_fs->group_perms[group].file = file_perms;
s_fs->group_perms[group].dir = dir_perms;
return APR_SUCCESS;
}
apr_status_t md_store_fs_set_event_cb(struct md_store_t *store, md_store_fs_cb *cb, void *baton)
{
md_store_fs_t *s_fs = FS_STORE(store);
s_fs->event_cb = cb;
s_fs->event_baton = baton;
return APR_SUCCESS;
}
static const perms_t *gperms(md_store_fs_t *s_fs, md_store_group_t group)
{
if (group >= (sizeof(s_fs->group_perms)/sizeof(s_fs->group_perms[0]))
|| !s_fs->group_perms[group].dir) {
return &s_fs->def_perms;
}
return &s_fs->group_perms[group];
}
static apr_status_t fs_get_fname(const char **pfname,
md_store_t *store, md_store_group_t group,
const char *name, const char *aspect,
apr_pool_t *p)
{
md_store_fs_t *s_fs = FS_STORE(store);
if (group == MD_SG_NONE) {
return md_util_path_merge(pfname, p, s_fs->base, aspect, NULL);
}
return md_util_path_merge(pfname, p,
s_fs->base, md_store_group_name(group), name, aspect, NULL);
}
static apr_status_t fs_get_dname(const char **pdname,
md_store_t *store, md_store_group_t group,
const char *name, apr_pool_t *p)
{
md_store_fs_t *s_fs = FS_STORE(store);
if (group == MD_SG_NONE) {
*pdname = s_fs->base;
return APR_SUCCESS;
}
return md_util_path_merge(pdname, p, s_fs->base, md_store_group_name(group), name, NULL);
}
static void get_pass(const char **ppass, apr_size_t *plen,
md_store_fs_t *s_fs, md_store_group_t group)
{
if (s_fs->plain_pkey[group]) {
*ppass = NULL;
*plen = 0;
}
else {
*ppass = (const char *)s_fs->key;
*plen = s_fs->key_len;
}
}
static apr_status_t fs_fload(void **pvalue, md_store_fs_t *s_fs, const char *fpath,
md_store_group_t group, md_store_vtype_t vtype,
apr_pool_t *p, apr_pool_t *ptemp)
{
apr_status_t rv;
const char *pass;
apr_size_t pass_len;
if (pvalue != NULL) {
switch (vtype) {
case MD_SV_TEXT:
rv = md_text_fread8k((const char **)pvalue, p, fpath);
break;
case MD_SV_JSON:
rv = md_json_readf((md_json_t **)pvalue, p, fpath);
break;
case MD_SV_CERT:
rv = md_cert_fload((md_cert_t **)pvalue, p, fpath);
break;
case MD_SV_PKEY:
get_pass(&pass, &pass_len, s_fs, group);
rv = md_pkey_fload((md_pkey_t **)pvalue, p, pass, pass_len, fpath);
break;
case MD_SV_CHAIN:
rv = md_chain_fload((apr_array_header_t **)pvalue, p, fpath);
break;
default:
rv = APR_ENOTIMPL;
break;
}
md_log_perror(MD_LOG_MARK, MD_LOG_TRACE3, rv, ptemp,
"loading type %d from %s", vtype, fpath);
}
else { /* check for existence only */
rv = md_util_is_file(fpath, p);
}
return rv;
}
static apr_status_t pfs_load(void *baton, apr_pool_t *p, apr_pool_t *ptemp, va_list ap)
{
md_store_fs_t *s_fs = baton;
const char *fpath, *name, *aspect;
md_store_vtype_t vtype;
md_store_group_t group;
void **pvalue;
apr_status_t rv;
MD_CHK_VARS;
group = (md_store_group_t)va_arg(ap, int);
name = va_arg(ap, const char *);
aspect = va_arg(ap, const char *);
vtype = (md_store_vtype_t)va_arg(ap, int);
pvalue= va_arg(ap, void **);
if (MD_OK(fs_get_fname(&fpath, &s_fs->s, group, name, aspect, ptemp))) {
rv = fs_fload(pvalue, s_fs, fpath, group, vtype, p, ptemp);
}
return rv;
}
static apr_status_t dispatch(md_store_fs_t *s_fs, md_store_fs_ev_t ev, int group,
const char *fname, apr_filetype_e ftype, apr_pool_t *p)
{
(void)ev;
if (s_fs->event_cb) {
return s_fs->event_cb(s_fs->event_baton, &s_fs->s, MD_S_FS_EV_CREATED,
group, fname, ftype, p);
}
return APR_SUCCESS;
}
static apr_status_t mk_group_dir(const char **pdir, md_store_fs_t *s_fs,
md_store_group_t group, const char *name,
apr_pool_t *p)
{
const perms_t *perms;
apr_status_t rv;
MD_CHK_VARS;
perms = gperms(s_fs, group);
if (MD_OK(fs_get_dname(pdir, &s_fs->s, group, name, p)) && (MD_SG_NONE != group)) {
if ( !MD_OK(md_util_is_dir(*pdir, p))
&& MD_OK(apr_dir_make_recursive(*pdir, perms->dir, p))) {
rv = dispatch(s_fs, MD_S_FS_EV_CREATED, group, *pdir, APR_DIR, p);
}
if (APR_SUCCESS == rv) {
rv = apr_file_perms_set(*pdir, perms->dir);
md_log_perror(MD_LOG_MARK, MD_LOG_TRACE3, 0, p, "mk_group_dir %s perm set", *pdir);
if (APR_STATUS_IS_ENOTIMPL(rv)) {
rv = APR_SUCCESS;
}
}
}
md_log_perror(MD_LOG_MARK, MD_LOG_TRACE3, 0, p, "mk_group_dir %d %s", group, name);
return rv;
}
static apr_status_t pfs_is_newer(void *baton, apr_pool_t *p, apr_pool_t *ptemp, va_list ap)
{
md_store_fs_t *s_fs = baton;
const char *fname1, *fname2, *name, *aspect;
md_store_group_t group1, group2;
apr_finfo_t inf1, inf2;
int *pnewer;
apr_status_t rv;
MD_CHK_VARS;
(void)p;
group1 = (md_store_group_t)va_arg(ap, int);
group2 = (md_store_group_t)va_arg(ap, int);
name = va_arg(ap, const char*);
aspect = va_arg(ap, const char*);
pnewer = va_arg(ap, int*);
*pnewer = 0;
if ( MD_OK(fs_get_fname(&fname1, &s_fs->s, group1, name, aspect, ptemp))
&& MD_OK(fs_get_fname(&fname2, &s_fs->s, group2, name, aspect, ptemp))
&& MD_OK(apr_stat(&inf1, fname1, APR_FINFO_MTIME, ptemp))
&& MD_OK(apr_stat(&inf2, fname2, APR_FINFO_MTIME, ptemp))) {
*pnewer = inf1.mtime > inf2.mtime;
}
return rv;
}
static int fs_is_newer(md_store_t *store, md_store_group_t group1, md_store_group_t group2,
const char *name, const char *aspect, apr_pool_t *p)
{
md_store_fs_t *s_fs = FS_STORE(store);
int newer = 0;
apr_status_t rv;
rv = md_util_pool_vdo(pfs_is_newer, s_fs, p, group1, group2, name, aspect, &newer, NULL);
if (APR_SUCCESS == rv) {
return newer;
}
return 0;
}
static apr_status_t pfs_save(void *baton, apr_pool_t *p, apr_pool_t *ptemp, va_list ap)
{
md_store_fs_t *s_fs = baton;
const char *gdir, *dir, *fpath, *name, *aspect;
md_store_vtype_t vtype;
md_store_group_t group;
void *value;
int create;
apr_status_t rv;
const perms_t *perms;
const char *pass;
apr_size_t pass_len;
MD_CHK_VARS;
group = (md_store_group_t)va_arg(ap, int);
name = va_arg(ap, const char*);
aspect = va_arg(ap, const char*);
vtype = (md_store_vtype_t)va_arg(ap, int);
value = va_arg(ap, void *);
create = va_arg(ap, int);
perms = gperms(s_fs, group);
if ( MD_OK(mk_group_dir(&gdir, s_fs, group, NULL, p))
&& MD_OK(mk_group_dir(&dir, s_fs, group, name, p))
&& MD_OK(md_util_path_merge(&fpath, ptemp, dir, aspect, NULL))) {
md_log_perror(MD_LOG_MARK, MD_LOG_TRACE3, 0, ptemp, "storing in %s", fpath);
switch (vtype) {
case MD_SV_TEXT:
rv = (create? md_text_fcreatex(fpath, perms->file, p, value)
: md_text_freplace(fpath, perms->file, p, value));
break;
case MD_SV_JSON:
rv = (create? md_json_fcreatex((md_json_t *)value, p, MD_JSON_FMT_INDENT,
fpath, perms->file)
: md_json_freplace((md_json_t *)value, p, MD_JSON_FMT_INDENT,
fpath, perms->file));
break;
case MD_SV_CERT:
rv = md_cert_fsave((md_cert_t *)value, ptemp, fpath, perms->file);
break;
case MD_SV_PKEY:
/* Take care that we write private key with access only to the user,
* unless we write the key encrypted */
get_pass(&pass, &pass_len, s_fs, group);
rv = md_pkey_fsave((md_pkey_t *)value, ptemp, pass, pass_len,
fpath, (pass && pass_len)? perms->file : MD_FPROT_F_UONLY);
break;
case MD_SV_CHAIN:
rv = md_chain_fsave((apr_array_header_t*)value, ptemp, fpath, perms->file);
break;
default:
return APR_ENOTIMPL;
}
if (APR_SUCCESS == rv) {
rv = dispatch(s_fs, MD_S_FS_EV_CREATED, group, fpath, APR_REG, p);
}
}
return rv;
}
static apr_status_t pfs_remove(void *baton, apr_pool_t *p, apr_pool_t *ptemp, va_list ap)
{
md_store_fs_t *s_fs = baton;
const char *dir, *name, *fpath, *groupname, *aspect;
apr_status_t rv;
int force;
apr_finfo_t info;
md_store_group_t group;
MD_CHK_VARS;
(void)p;
group = (md_store_group_t)va_arg(ap, int);
name = va_arg(ap, const char*);
aspect = va_arg(ap, const char *);
force = va_arg(ap, int);
groupname = md_store_group_name(group);
if ( MD_OK(md_util_path_merge(&dir, ptemp, s_fs->base, groupname, name, NULL))
&& MD_OK(md_util_path_merge(&fpath, ptemp, dir, aspect, NULL))) {
md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, 0, ptemp, "start remove of md %s/%s/%s",
groupname, name, aspect);
if (!MD_OK(apr_stat(&info, dir, APR_FINFO_TYPE, ptemp))) {
if (APR_ENOENT == rv && force) {
return APR_SUCCESS;
}
return rv;
}
rv = apr_file_remove(fpath, ptemp);
if (APR_ENOENT == rv && force) {
rv = APR_SUCCESS;
}
}
return rv;
}
static apr_status_t fs_load(md_store_t *store, md_store_group_t group,
const char *name, const char *aspect,
md_store_vtype_t vtype, void **pvalue, apr_pool_t *p)
{
md_store_fs_t *s_fs = FS_STORE(store);
return md_util_pool_vdo(pfs_load, s_fs, p, group, name, aspect, vtype, pvalue, NULL);
}
static apr_status_t fs_save(md_store_t *store, apr_pool_t *p, md_store_group_t group,
const char *name, const char *aspect,
md_store_vtype_t vtype, void *value, int create)
{
md_store_fs_t *s_fs = FS_STORE(store);
return md_util_pool_vdo(pfs_save, s_fs, p, group, name, aspect,
vtype, value, create, NULL);
}
static apr_status_t fs_remove(md_store_t *store, md_store_group_t group,
const char *name, const char *aspect,
apr_pool_t *p, int force)
{
md_store_fs_t *s_fs = FS_STORE(store);
return md_util_pool_vdo(pfs_remove, s_fs, p, group, name, aspect, force, NULL);
}
static apr_status_t pfs_purge(void *baton, apr_pool_t *p, apr_pool_t *ptemp, va_list ap)
{
md_store_fs_t *s_fs = baton;
const char *dir, *name, *groupname;
md_store_group_t group;
apr_status_t rv;
MD_CHK_VARS;
(void)p;
group = (md_store_group_t)va_arg(ap, int);
name = va_arg(ap, const char*);
groupname = md_store_group_name(group);
if (MD_OK(md_util_path_merge(&dir, ptemp, s_fs->base, groupname, name, NULL))) {
/* Remove all files in dir, there should be no sub-dirs */
rv = md_util_rm_recursive(dir, ptemp, 1);
}
md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, rv, ptemp, "purge %s/%s (%s)", groupname, name, dir);
return APR_SUCCESS;
}
static apr_status_t fs_purge(md_store_t *store, apr_pool_t *p,
md_store_group_t group, const char *name)
{
md_store_fs_t *s_fs = FS_STORE(store);
return md_util_pool_vdo(pfs_purge, s_fs, p, group, name, NULL);
}
/**************************************************************************************************/
/* iteration */
typedef struct {
md_store_fs_t *s_fs;
md_store_group_t group;
const char *pattern;
const char *aspect;
md_store_vtype_t vtype;
md_store_inspect *inspect;
void *baton;
} inspect_ctx;
static apr_status_t insp(void *baton, apr_pool_t *p, apr_pool_t *ptemp,
const char *dir, const char *name, apr_filetype_e ftype)
{
inspect_ctx *ctx = baton;
apr_status_t rv;
void *value;
const char *fpath;
MD_CHK_VARS;
(void)ftype;
md_log_perror(MD_LOG_MARK, MD_LOG_TRACE3, 0, ptemp, "inspecting value at: %s/%s", dir, name);
if ( MD_OK(md_util_path_merge(&fpath, ptemp, dir, name, NULL))
&& MD_OK(fs_fload(&value, ctx->s_fs, fpath, ctx->group, ctx->vtype, p, ptemp))
&& !ctx->inspect(ctx->baton, name, ctx->aspect, ctx->vtype, value, ptemp)) {
return APR_EOF;
}
return rv;
}
static apr_status_t fs_iterate(md_store_inspect *inspect, void *baton, md_store_t *store,
apr_pool_t *p, md_store_group_t group, const char *pattern,
const char *aspect, md_store_vtype_t vtype)
{
const char *groupname;
apr_status_t rv;
inspect_ctx ctx;
ctx.s_fs = FS_STORE(store);
ctx.group = group;
ctx.pattern = pattern;
ctx.aspect = aspect;
ctx.vtype = vtype;
ctx.inspect = inspect;
ctx.baton = baton;
groupname = md_store_group_name(group);
rv = md_util_files_do(insp, &ctx, p, ctx.s_fs->base, groupname, ctx.pattern, aspect, NULL);
return rv;
}
/**************************************************************************************************/
/* moving */
static apr_status_t pfs_move(void *baton, apr_pool_t *p, apr_pool_t *ptemp, va_list ap)
{
md_store_fs_t *s_fs = baton;
const char *name, *from_group, *to_group, *from_dir, *to_dir, *arch_dir, *dir;
md_store_group_t from, to;
int archive;
apr_status_t rv;
MD_CHK_VARS;
(void)p;
from = (md_store_group_t)va_arg(ap, int);
to = (md_store_group_t)va_arg(ap, int);
name = va_arg(ap, const char*);
archive = va_arg(ap, int);
from_group = md_store_group_name(from);
to_group = md_store_group_name(to);
if (!strcmp(from_group, to_group)) {
return APR_EINVAL;
}
if ( !MD_OK(md_util_path_merge(&from_dir, ptemp, s_fs->base, from_group, name, NULL))
|| !MD_OK(md_util_path_merge(&to_dir, ptemp, s_fs->base, to_group, name, NULL))) {
goto out;
}
if (!MD_OK(md_util_is_dir(from_dir, ptemp))) {
md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, rv, ptemp, "source is no dir: %s", from_dir);
goto out;
}
if (MD_OK(archive? md_util_is_dir(to_dir, ptemp) : APR_ENOENT)) {
int n = 1;
const char *narch_dir;
if ( !MD_OK(md_util_path_merge(&dir, ptemp, s_fs->base,
md_store_group_name(MD_SG_ARCHIVE), NULL))
|| !MD_OK(apr_dir_make_recursive(dir, MD_FPROT_D_UONLY, ptemp))
|| !MD_OK(md_util_path_merge(&arch_dir, ptemp, dir, name, NULL))) {
goto out;
}
#ifdef WIN32
/* WIN32 and handling of files/dirs. What can one say? */
while (n < 1000) {
narch_dir = apr_psprintf(ptemp, "%s.%d", arch_dir, n);
rv = md_util_is_dir(narch_dir, ptemp);
if (APR_STATUS_IS_ENOENT(rv)) {
md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, rv, ptemp, "using archive dir: %s",
narch_dir);
break;
}
else {
++n;
narch_dir = NULL;
}
}
#else /* ifdef WIN32 */
while (n < 1000) {
narch_dir = apr_psprintf(ptemp, "%s.%d", arch_dir, n);
if (MD_OK(apr_dir_make(narch_dir, MD_FPROT_D_UONLY, ptemp))) {
md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, rv, ptemp, "using archive dir: %s",
narch_dir);
break;
}
else if (APR_EEXIST == rv) {
++n;
narch_dir = NULL;
}
else {
md_log_perror(MD_LOG_MARK, MD_LOG_ERR, rv, ptemp, "creating archive dir: %s",
narch_dir);
goto out;
}
}
#endif /* ifdef WIN32 (else part) */
if (!narch_dir) {
md_log_perror(MD_LOG_MARK, MD_LOG_ERR, rv, ptemp, "ran out of numbers less than 1000 "
"while looking for an available one in %s to archive the data "
"from %s. Either something is generally wrong or you need to "
"clean up some of those directories.", arch_dir, from_dir);
rv = APR_EGENERAL;
goto out;
}
if (!MD_OK(apr_file_rename(to_dir, narch_dir, ptemp))) {
md_log_perror(MD_LOG_MARK, MD_LOG_ERR, rv, ptemp, "rename from %s to %s",
to_dir, narch_dir);
goto out;
}
if (!MD_OK(apr_file_rename(from_dir, to_dir, ptemp))) {
md_log_perror(MD_LOG_MARK, MD_LOG_ERR, rv, ptemp, "rename from %s to %s",
from_dir, to_dir);
apr_file_rename(narch_dir, to_dir, ptemp);
goto out;
}
if (MD_OK(dispatch(s_fs, MD_S_FS_EV_MOVED, to, to_dir, APR_DIR, ptemp))) {
rv = dispatch(s_fs, MD_S_FS_EV_MOVED, MD_SG_ARCHIVE, narch_dir, APR_DIR, ptemp);
}
}
else if (APR_STATUS_IS_ENOENT(rv)) {
if (APR_SUCCESS != (rv = apr_file_rename(from_dir, to_dir, ptemp))) {
md_log_perror(MD_LOG_MARK, MD_LOG_ERR, rv, ptemp, "rename from %s to %s",
from_dir, to_dir);
goto out;
}
}
else {
md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, rv, ptemp, "target is no dir: %s", to_dir);
goto out;
}
out:
return rv;
}
static apr_status_t fs_move(md_store_t *store, apr_pool_t *p,
md_store_group_t from, md_store_group_t to,
const char *name, int archive)
{
md_store_fs_t *s_fs = FS_STORE(store);
return md_util_pool_vdo(pfs_move, s_fs, p, from, to, name, archive, NULL);
}