#include <villa.h>
#elif defined(HAVE_GDBM)
#include <gdbm.h>
-#elif defined(HAVE_DB4)
-#include <db.h>
#endif
-#include <lib-hash/hash.h>
-#include <lib-mime/mime.h>
-
#include <imap/message.h>
#include "charset.h"
#include "mutt.h"
#include "hcache.h"
-struct header_cache {
+struct hcache_t {
#if defined(HAVE_QDBM)
VILLA *db;
- char *folder;
- unsigned int crc;
#elif defined(HAVE_GDBM)
GDBM_FILE db;
+#endif
char *folder;
unsigned int crc;
-#elif defined(HAVE_DB4)
- DB_ENV *env;
- DB *db;
- unsigned int crc;
- int fd;
- char lockfile[_POSIX_PATH_MAX];
-#endif
};
typedef union {
(MUTTNG_HCACHE_ID "sithglan@stud.uni-erlangen.de[sithglan]|hcache.c|20041108231548|29613"));
#ifdef HAVE_LANGINFO_CODESET
- crc = crc32(crc, (unsigned char const *) Charset, m_strlen(Charset));
+ crc = crc32(crc, (unsigned char const *) MCharset.charset, m_strlen(MCharset.charset));
crc = crc32(crc, (unsigned char const *) "HAVE_LANGINFO_CODESET",
m_strlen("HAVE_LANGINFO_CODESET"));
#endif
crc = crc32(crc, (unsigned char const *) "USE_POP", m_strlen("USE_POP"));
-#ifdef MIXMASTER
crc = crc32(crc, (unsigned char const *) "MIXMASTER",
m_strlen("MIXMASTER"));
-#endif
crc = crc32(crc, (unsigned char const *) "USE_IMAP", m_strlen("USE_IMAP"));
return (crc == mycrc);
}
-/* Append md5sumed folder to path if path is a directory. */
-static const char *mutt_hcache_per_folder (const char *path,
- const char *folder)
+static const char *
+mutt_hcache_per_folder(const char *path, const char *folder)
{
- static char mutt_hcache_per_folder_path[_POSIX_PATH_MAX];
- struct stat path_stat;
- MD5_CTX md5;
- unsigned char md5sum[16];
- int ret;
-
- ret = stat (path, &path_stat);
- if (ret < 0) {
- return path;
- }
+ static char buf[_POSIX_PATH_MAX];
+ struct stat st;
+ int pos;
- if (!S_ISDIR (path_stat.st_mode)) {
- return path;
- }
-
- MD5Init (&md5);
- MD5Update (&md5, (unsigned char *) folder, m_strlen(folder));
- MD5Final (md5sum, &md5);
-
- ret = snprintf (mutt_hcache_per_folder_path, _POSIX_PATH_MAX,
- "%s/%02x%02x%02x%02x%02x%02x%02x%02x"
- "%02x%02x%02x%02x%02x%02x%02x%02x",
- path, md5sum[0], md5sum[1], md5sum[2], md5sum[3],
- md5sum[4], md5sum[5], md5sum[6], md5sum[7], md5sum[8],
- md5sum[9], md5sum[10], md5sum[11], md5sum[12],
- md5sum[13], md5sum[14], md5sum[15]);
+ if (stat(path, &st) < 0 || !S_ISDIR(st.st_mode)) {
+ return path;
+ }
- if (ret <= 0) {
- return path;
- }
+ pos = m_strcpy(buf, sizeof(buf), path);
+ pos += m_strputc(buf + pos, sizeof(buf) - pos, '/');
- return mutt_hcache_per_folder_path;
+ while (*folder) {
+ if (isalnum((unsigned char)*folder) || *folder == '.') {
+ pos += m_strputc(buf + pos, sizeof(buf) - pos, *folder);
+ } else {
+ pos += m_strputc(buf + pos, sizeof(buf) - pos, '_');
+ }
+ folder++;
+ }
+ pos += m_strcpy(buf + pos, sizeof(buf) - pos, ".hdb");
+ return buf;
}
/* This function transforms a header into a char so that it is useable by
static void *mutt_hcache_dump (void *_db, HEADER * h, int *off,
unsigned long uid_validity)
{
- struct header_cache *db = _db;
+ struct hcache_t *db = _db;
unsigned char *d = NULL;
*off = 0;
return h;
}
-#if defined(HAVE_QDBM)
-void *
-mutt_hcache_open(const char *path, const char *folder)
+hcache_t *mutt_hcache_open(const char *path, const char *folder)
{
- struct header_cache *h = p_new(struct header_cache, 1);
- int flags = VL_OWRITER | VL_OCREAT;
- h->db = NULL;
- h->folder = m_strdup(folder);
- h->crc = generate_crc32();
+ hcache_t *h = p_new(hcache_t, 1);
- if (!path || path[0] == '\0')
- {
- p_delete(&h->folder);
- p_delete(&h);
- return NULL;
- }
+ h->folder = m_strdup(folder);
+ h->crc = generate_crc32();
- path = mutt_hcache_per_folder(path, folder);
+ if (m_strisempty(path)) {
+ p_delete(&h->folder);
+ p_delete(&h);
+ return NULL;
+ }
- if (option(OPTHCACHECOMPRESS))
- flags |= VL_OZCOMP;
+ path = mutt_hcache_per_folder(path, folder);
- h->db = vlopen(path, flags, VL_CMPLEX);
- if (h->db)
- return h;
- else
- {
- p_delete(&h->folder);
- p_delete(&h);
+ {
+#if defined(HAVE_QDBM)
+ int flags = VL_OWRITER | VL_OCREAT;
+ if (option(OPTHCACHECOMPRESS))
+ flags |= VL_OZCOMP;
- return NULL;
- }
+ h->db = vlopen(path, flags, VL_CMPLEX);
+#elif defined(HAVE_GDBM)
+ int pagesize = atoi(HeaderCachePageSize) ?: 16384;
+
+ h->db = gdbm_open((char *) path, pagesize, GDBM_WRCREAT, 00600, NULL);
+#endif
+ }
+
+ if (!h->db) {
+ p_delete(&h->folder);
+ p_delete(&h);
+ }
+ return h;
}
-void
-mutt_hcache_close(void *db)
+void mutt_hcache_close(hcache_t **db)
{
- struct header_cache *h = db;
+ if (!*db)
+ return;
- if (!h)
- return;
+#if defined(HAVE_QDBM)
+ vlclose((*db)->db);
+#elif defined(HAVE_GDBM)
+ gdbm_close((*db)->db);
+#endif
- vlclose(h->db);
- p_delete(&h->folder);
- p_delete(&h);
+ p_delete(&(*db)->folder);
+ p_delete(db);
}
+#if defined(HAVE_QDBM)
void *
-mutt_hcache_fetch(void *db, const char *filename,
+mutt_hcache_fetch(hcache_t *db, const char *filename,
ssize_t(*keylen) (const char *fn))
{
- struct header_cache *h = db;
+ hcache_t *h = db;
char path[_POSIX_PATH_MAX];
int ksize;
char *data = NULL;
}
int
-mutt_hcache_store(void *db, const char *filename, HEADER * header,
+mutt_hcache_store(hcache_t *db, const char *filename, HEADER * header,
unsigned long uid_validity,
ssize_t(*keylen) (const char *fn))
{
- struct header_cache *h = db;
+ hcache_t *h = db;
char path[_POSIX_PATH_MAX];
int ret;
int ksize, dsize;
}
int
-mutt_hcache_delete(void *db, const char *filename,
+mutt_hcache_delete(hcache_t *db, const char *filename,
ssize_t(*keylen) (const char *fn))
{
- struct header_cache *h = db;
+ hcache_t *h = db;
char path[_POSIX_PATH_MAX];
int ksize;
#elif defined(HAVE_GDBM)
-void *mutt_hcache_open (const char *path, const char *folder)
-{
- struct header_cache *h = p_new(struct header_cache, 1);
- int pagesize =
- atoi (HeaderCachePageSize) ? atoi (HeaderCachePageSize) : 16384;
- h->db = NULL;
- h->folder = m_strdup(folder);
- h->crc = generate_crc32 ();
-
- if (!path || path[0] == '\0') {
- p_delete(&h->folder);
- p_delete(&h);
- return NULL;
- }
-
- path = mutt_hcache_per_folder (path, folder);
-
- h->db = gdbm_open ((char *) path, pagesize, GDBM_WRCREAT, 00600, NULL);
- if (h->db) {
- return h;
- }
-
- /* if rw failed try ro */
- h->db = gdbm_open ((char *) path, pagesize, GDBM_READER, 00600, NULL);
- if (h->db) {
- return h;
- }
- else {
- p_delete(&h->folder);
- p_delete(&h);
-
- return NULL;
- }
-}
-
-void mutt_hcache_close (void *db)
-{
- struct header_cache *h = db;
-
- if (!h) {
- return;
- }
-
- gdbm_close (h->db);
- p_delete(&h->folder);
- p_delete(&h);
-}
-
-void *mutt_hcache_fetch (void *db, const char *filename,
+void *mutt_hcache_fetch (hcache_t *db, const char *filename,
ssize_t (*keylen) (const char *fn))
{
- struct header_cache *h = db;
+ hcache_t *h = db;
datum key;
datum data;
char path[_POSIX_PATH_MAX];
}
int
-mutt_hcache_store (void *db, const char *filename, HEADER * header,
+mutt_hcache_store (hcache_t *db, const char *filename, HEADER * header,
unsigned long uid_validity, ssize_t (*keylen) (const char *fn))
{
- struct header_cache *h = db;
+ hcache_t *h = db;
datum key;
datum data;
char path[_POSIX_PATH_MAX];
}
int
-mutt_hcache_delete (void *db, const char *filename,
+mutt_hcache_delete (hcache_t *db, const char *filename,
ssize_t (*keylen) (const char *fn))
{
datum key;
- struct header_cache *h = db;
+ hcache_t *h = db;
char path[_POSIX_PATH_MAX];
if (!h) {
return gdbm_delete (h->db, key);
}
-#elif defined(HAVE_DB4)
-
-static void mutt_hcache_dbt_init (DBT * dbt, void *data, ssize_t len)
-{
- dbt->data = data;
- dbt->size = dbt->ulen = len;
- dbt->dlen = dbt->doff = 0;
- dbt->flags = DB_DBT_USERMEM;
-}
-
-static void mutt_hcache_dbt_empty_init (DBT * dbt)
-{
- dbt->data = NULL;
- dbt->size = dbt->ulen = dbt->dlen = dbt->doff = 0;
- dbt->flags = 0;
-}
-
-void *mutt_hcache_open (const char *path, const char *folder)
-{
- struct stat sb;
- u_int32_t createflags = DB_CREATE;
- int ret;
- struct header_cache *h = p_new(struct header_cache, 1);
- int pagesize = atoi (HeaderCachePageSize);
-
-
- h->crc = generate_crc32 ();
-
- if (!path || path[0] == '\0') {
- p_delete(&h);
- return NULL;
- }
-
- path = mutt_hcache_per_folder (path, folder);
-
- snprintf (h->lockfile, _POSIX_PATH_MAX, "%s-lock-hack", path);
-
- h->fd = open (h->lockfile, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
- if (h->fd < 0) {
- p_delete(&h);
- return NULL;
- }
-
- if (mx_lock_file (h->lockfile, h->fd, 1, 0, 5)) {
- close (h->fd);
- p_delete(&h);
- return NULL;
- }
-
- ret = db_env_create (&h->env, 0);
- if (ret) {
- mx_unlock_file (h->lockfile, h->fd, 0);
- close (h->fd);
- p_delete(&h);
- return NULL;
- }
-
- ret =
- (h->env->open)(h->env, NULL, DB_INIT_MPOOL | DB_CREATE | DB_PRIVATE, 0600);
- if (!ret) {
- ret = db_create (&h->db, h->env, 0);
- if (ret) {
- h->env->close (h->env, 0);
- mx_unlock_file (h->lockfile, h->fd, 0);
- close (h->fd);
- p_delete(&h);
- return NULL;
- }
- }
-
- if (stat (path, &sb) != 0 && errno == ENOENT) {
- createflags |= DB_EXCL;
- h->db->set_pagesize (h->db, pagesize);
- }
-
- ret = (h->db->open)(h->db, NULL, path, folder, DB_BTREE, createflags, 0600);
- if (ret) {
- h->db->close (h->db, 0);
- h->env->close (h->env, 0);
- mx_unlock_file (h->lockfile, h->fd, 0);
- close (h->fd);
- p_delete(&h);
- return NULL;
- }
-
- return h;
-}
-
-void mutt_hcache_close (void *db)
-{
- struct header_cache *h = db;
-
- if (!h) {
- return;
- }
-
- h->db->close (h->db, 0);
- h->env->close (h->env, 0);
- mx_unlock_file (h->lockfile, h->fd, 0);
- close (h->fd);
- p_delete(&h);
-}
-
-void *mutt_hcache_fetch (void *db, const char *filename,
- ssize_t (*keylen) (const char *fn))
-{
- DBT key;
- DBT data;
- struct header_cache *h = db;
-
- if (!h) {
- return NULL;
- }
-
- filename++; /* skip '/' */
-
- mutt_hcache_dbt_init (&key, (void *) filename, keylen (filename));
- mutt_hcache_dbt_empty_init (&data);
- data.flags = DB_DBT_MALLOC;
-
- h->db->get (h->db, NULL, &key, &data, 0);
-
- if (!crc32_matches (data.data, h->crc)) {
- p_delete(&data.data);
- return NULL;
- }
-
- return data.data;
-}
-
-int
-mutt_hcache_store (void *db, const char *filename, HEADER * header,
- unsigned long uid_validity, ssize_t (*keylen) (const char *fn))
-{
- DBT key;
- DBT data;
- int ret;
- struct header_cache *h = db;
-
- if (!h) {
- return -1;
- }
-
- filename++; /* skip '/' */
-
- mutt_hcache_dbt_init (&key, (void *) filename, keylen (filename));
-
- mutt_hcache_dbt_empty_init (&data);
- data.flags = DB_DBT_USERMEM;
- data.data =
- mutt_hcache_dump (db, header, (signed int *) &data.size, uid_validity);
- data.ulen = data.size;
-
- ret = h->db->put (h->db, NULL, &key, &data, 0);
-
- p_delete(&data.data);
-
- return ret;
-}
-
-int
-mutt_hcache_delete (void *db, const char *filename,
- ssize_t (*keylen) (const char *fn))
-{
- DBT key;
- struct header_cache *h = db;
-
- if (!h) {
- return -1;
- }
-
- filename++; /* skip '/' */
-
- mutt_hcache_dbt_init (&key, (void *) filename, keylen (filename));
- return h->db->del (h->db, NULL, &key, 0);
-}
#endif
#endif /* USE_HCACHE */