+#ifdef RPM5
+ return db[0] << 24 | db[1] << 16 | db[2] << 8 | db[3];
+#else
+# if defined(WORDS_BIGENDIAN)
+ if (!byteswapped)
+# else
+ if (byteswapped)
+# endif
+ return db[0] << 24 | db[1] << 16 | db[2] << 8 | db[3];
+ else
+ return db[3] << 24 | db[2] << 16 | db[1] << 8 | db[0];
+#endif
+}
+
+static inline void rpmdbid2db(unsigned char *db, Id id, int byteswapped)
+{
+#ifdef RPM5
+ db[0] = id >> 24, db[1] = id >> 16, db[2] = id >> 8, db[3] = id;
+#else
+# if defined(WORDS_BIGENDIAN)
+ if (!byteswapped)
+# else
+ if (byteswapped)
+# endif
+ db[0] = id >> 24, db[1] = id >> 16, db[2] = id >> 8, db[3] = id;
+ else
+ db[3] = id >> 24, db[2] = id >> 16, db[1] = id >> 8, db[0] = id;
+#endif
+}
+
+#ifdef FEDORA
+int
+serialize_dbenv_ops(struct rpmdbstate *state)
+{
+ char lpath[PATH_MAX];
+ mode_t oldmask;
+ int fd;
+ struct flock fl;
+
+ snprintf(lpath, PATH_MAX, "%s/var/lib/rpm/.dbenv.lock", state->rootdir ? state->rootdir : "");
+ oldmask = umask(022);
+ fd = open(lpath, (O_RDWR|O_CREAT), 0644);
+ umask(oldmask);
+ if (fd < 0)
+ return -1;
+ memset(&fl, 0, sizeof(fl));
+ fl.l_type = F_WRLCK;
+ fl.l_whence = SEEK_SET;
+ for (;;)
+ {
+ if (fcntl(fd, F_SETLKW, &fl) != -1)
+ return fd;
+ if (errno != EINTR)
+ break;
+ }
+ close(fd);
+ return -1;
+}
+#endif
+
+/* should look in /usr/lib/rpm/macros instead, but we want speed... */
+static int
+opendbenv(struct rpmdbstate *state)
+{
+ const char *rootdir = state->rootdir;
+ char dbpath[PATH_MAX];
+ DB_ENV *dbenv = 0;
+ int r;
+
+ if (db_env_create(&dbenv, 0))
+ return pool_error(state->pool, 0, "db_env_create: %s", strerror(errno));
+#if defined(FEDORA) && (DB_VERSION_MAJOR >= 5 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 5))
+ dbenv->set_thread_count(dbenv, 8);
+#endif
+ snprintf(dbpath, PATH_MAX, "%s/var/lib/rpm", rootdir ? rootdir : "");
+ if (access(dbpath, W_OK) == -1)
+ {
+ snprintf(dbpath, PATH_MAX, "%s/usr/share/rpm/Packages", rootdir ? rootdir : "");
+ if (access(dbpath, R_OK) == 0)
+ state->is_ostree = 1;
+ snprintf(dbpath, PATH_MAX, "%s%s", rootdir ? rootdir : "", state->is_ostree ? "/usr/share/rpm" : "/var/lib/rpm");
+ r = dbenv->open(dbenv, dbpath, DB_CREATE|DB_PRIVATE|DB_INIT_MPOOL, 0);
+ }
+ else
+ {
+#ifdef FEDORA
+ int serialize_fd = serialize_dbenv_ops(state);
+ r = dbenv->open(dbenv, dbpath, DB_CREATE|DB_INIT_CDB|DB_INIT_MPOOL, 0644);
+ if (serialize_fd >= 0)
+ close(serialize_fd);
+#else
+ r = dbenv->open(dbenv, dbpath, DB_CREATE|DB_PRIVATE|DB_INIT_MPOOL, 0);
+#endif
+ }
+ if (r)
+ {
+ pool_error(state->pool, 0, "dbenv->open: %s", strerror(errno));
+ dbenv->close(dbenv, 0);
+ return 0;
+ }
+ state->dbenv = dbenv;
+ return 1;
+}
+
+static void
+closedbenv(struct rpmdbstate *state)
+{
+#ifdef FEDORA
+ uint32_t eflags = 0;
+#endif
+
+ if (!state->dbenv)
+ return;
+#ifdef FEDORA
+ (void)state->dbenv->get_open_flags(state->dbenv, &eflags);
+ if (!(eflags & DB_PRIVATE))
+ {
+ int serialize_fd = serialize_dbenv_ops(state);
+ state->dbenv->close(state->dbenv, 0);
+ if (serialize_fd >= 0)
+ close(serialize_fd);
+ }
+ else
+ state->dbenv->close(state->dbenv, 0);
+#else
+ state->dbenv->close(state->dbenv, 0);
+#endif
+ state->dbenv = 0;
+}
+
+static int
+openpkgdb(struct rpmdbstate *state)
+{
+ if (state->dbopened)
+ return state->dbopened > 0 ? 1 : 0;
+ state->dbopened = -1;
+ if (!state->dbenv && !opendbenv(state))
+ return 0;
+ if (db_create(&state->db, state->dbenv, 0))
+ {
+ pool_error(state->pool, 0, "db_create: %s", strerror(errno));
+ state->db = 0;
+ closedbenv(state);
+ return 0;
+ }
+ if (state->db->open(state->db, 0, "Packages", 0, DB_UNKNOWN, DB_RDONLY, 0664))
+ {
+ pool_error(state->pool, 0, "db->open Packages: %s", strerror(errno));
+ state->db->close(state->db, 0);
+ state->db = 0;
+ closedbenv(state);
+ return 0;
+ }
+ if (state->db->get_byteswapped(state->db, &state->byteswapped))
+ {
+ pool_error(state->pool, 0, "db->get_byteswapped: %s", strerror(errno));
+ state->db->close(state->db, 0);
+ state->db = 0;
+ closedbenv(state);
+ return 0;
+ }
+ state->dbopened = 1;
+ return 1;
+}
+
+/* get the rpmdbids of all installed packages from the Name index database.
+ * This is much faster then querying the big Packages database */
+static struct rpmdbentry *
+getinstalledrpmdbids(struct rpmdbstate *state, const char *index, const char *match, int *nentriesp, char **namedatap)
+{
+ DB_ENV *dbenv = 0;
+ DB *db = 0;
+ DBC *dbc = 0;
+ int byteswapped;
+ DBT dbkey;
+ DBT dbdata;
+ unsigned char *dp;
+ int dl;
+ Id nameoff;
+
+ char *namedata = 0;
+ int namedatal = 0;
+ struct rpmdbentry *entries = 0;
+ int nentries = 0;
+
+ *nentriesp = 0;
+ if (namedatap)
+ *namedatap = 0;
+
+ if (!state->dbenv && !opendbenv(state))
+ return 0;
+ dbenv = state->dbenv;
+ if (db_create(&db, dbenv, 0))
+ {
+ pool_error(state->pool, 0, "db_create: %s", strerror(errno));
+ return 0;
+ }
+ if (db->open(db, 0, index, 0, DB_UNKNOWN, DB_RDONLY, 0664))
+ {
+ pool_error(state->pool, 0, "db->open %s: %s", index, strerror(errno));
+ db->close(db, 0);
+ return 0;
+ }
+ if (db->get_byteswapped(db, &byteswapped))
+ {
+ pool_error(state->pool, 0, "db->get_byteswapped: %s", strerror(errno));
+ db->close(db, 0);
+ return 0;
+ }
+ if (db->cursor(db, NULL, &dbc, 0))
+ {
+ pool_error(state->pool, 0, "db->cursor: %s", strerror(errno));
+ db->close(db, 0);
+ return 0;
+ }
+ memset(&dbkey, 0, sizeof(dbkey));
+ memset(&dbdata, 0, sizeof(dbdata));
+ if (match)
+ {
+ dbkey.data = (void *)match;
+ dbkey.size = strlen(match);
+ }
+ while (dbc->c_get(dbc, &dbkey, &dbdata, match ? DB_SET : DB_NEXT) == 0)
+ {
+ if (!match && dbkey.size == 10 && !memcmp(dbkey.data, "gpg-pubkey", 10))
+ continue;
+ dl = dbdata.size;
+ dp = dbdata.data;
+ nameoff = namedatal;
+ if (namedatap)
+ {
+ namedata = solv_extend(namedata, namedatal, dbkey.size + 1, 1, NAMEDATA_BLOCK);
+ memcpy(namedata + namedatal, dbkey.data, dbkey.size);
+ namedata[namedatal + dbkey.size] = 0;
+ namedatal += dbkey.size + 1;
+ }
+ while(dl >= RPM_INDEX_SIZE)
+ {
+ entries = solv_extend(entries, nentries, 1, sizeof(*entries), ENTRIES_BLOCK);
+ entries[nentries].rpmdbid = db2rpmdbid(dp, byteswapped);
+ entries[nentries].nameoff = nameoff;
+ nentries++;
+ dp += RPM_INDEX_SIZE;
+ dl -= RPM_INDEX_SIZE;
+ }
+ if (match)
+ break;
+ }
+ dbc->c_close(dbc);
+ db->close(db, 0);
+ /* make sure that enteries is != 0 if there was no error */
+ if (!entries)
+ entries = solv_extend(entries, 1, 1, sizeof(*entries), ENTRIES_BLOCK);
+ *nentriesp = nentries;
+ if (namedatap)
+ *namedatap = namedata;
+ return entries;
+}
+
+/* retrive header by rpmdbid */
+static int
+getrpmdbid(struct rpmdbstate *state, Id rpmdbid)
+{
+ unsigned char buf[16];
+ DBT dbkey;
+ DBT dbdata;
+ RpmHead *rpmhead;
+
+ if (!rpmdbid)
+ {
+ pool_error(state->pool, 0, "illegal rpmdbid");
+ return -1;
+ }
+ if (state->dbopened != 1 && !openpkgdb(state))
+ return -1;
+ rpmdbid2db(buf, rpmdbid, state->byteswapped);
+ memset(&dbkey, 0, sizeof(dbkey));
+ memset(&dbdata, 0, sizeof(dbdata));
+ dbkey.data = buf;
+ dbkey.size = 4;
+ dbdata.data = 0;
+ dbdata.size = 0;
+ if (state->db->get(state->db, NULL, &dbkey, &dbdata, 0))
+ return 0;
+ if (dbdata.size < 8)
+ {
+ pool_error(state->pool, 0, "corrupt rpm database (size)");
+ return -1;
+ }
+ if (dbdata.size > state->rpmheadsize)
+ {
+ state->rpmheadsize = dbdata.size + 128;
+ state->rpmhead = solv_realloc(state->rpmhead, sizeof(*rpmhead) + state->rpmheadsize);
+ }
+ rpmhead = state->rpmhead;
+ memcpy(buf, dbdata.data, 8);
+ rpmhead->forcebinary = 1;
+ rpmhead->cnt = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3];
+ rpmhead->dcnt = buf[4] << 24 | buf[5] << 16 | buf[6] << 8 | buf[7];
+ if (8 + rpmhead->cnt * 16 + rpmhead->dcnt > dbdata.size)
+ {
+ pool_error(state->pool, 0, "corrupt rpm database (data size)");
+ return -1;
+ }
+ memcpy(rpmhead->data, (unsigned char *)dbdata.data + 8, rpmhead->cnt * 16 + rpmhead->dcnt);
+ rpmhead->dp = rpmhead->data + rpmhead->cnt * 16;
+ return 1;
+}
+
+/* retrive header by berkeleydb cursor */
+static Id
+getrpmcursor(struct rpmdbstate *state, DBC *dbc)
+{
+ unsigned char buf[16];
+ DBT dbkey;
+ DBT dbdata;
+ RpmHead *rpmhead;
+ Id dbid;
+
+ memset(&dbkey, 0, sizeof(dbkey));
+ memset(&dbdata, 0, sizeof(dbdata));
+ while (dbc->c_get(dbc, &dbkey, &dbdata, DB_NEXT) == 0)
+ {
+ if (dbkey.size != 4)
+ return pool_error(state->pool, -1, "corrupt Packages database (key size)");
+ dbid = db2rpmdbid(dbkey.data, state->byteswapped);
+ if (dbid == 0) /* the join key */
+ continue;
+ if (dbdata.size < 8)
+ return pool_error(state->pool, -1, "corrupt rpm database (size %u)\n", dbdata.size);
+ if (dbdata.size > state->rpmheadsize)
+ {
+ state->rpmheadsize = dbdata.size + 128;
+ state->rpmhead = solv_realloc(state->rpmhead, sizeof(*state->rpmhead) + state->rpmheadsize);
+ }
+ rpmhead = state->rpmhead;
+ memcpy(buf, dbdata.data, 8);
+ rpmhead->forcebinary = 1;
+ rpmhead->cnt = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3];
+ rpmhead->dcnt = buf[4] << 24 | buf[5] << 16 | buf[6] << 8 | buf[7];
+ if (8 + rpmhead->cnt * 16 + rpmhead->dcnt > dbdata.size)
+ return pool_error(state->pool, -1, "corrupt rpm database (data size)\n");
+ memcpy(rpmhead->data, (unsigned char *)dbdata.data + 8, rpmhead->cnt * 16 + rpmhead->dcnt);
+ rpmhead->dp = rpmhead->data + rpmhead->cnt * 16;
+ return dbid;
+ }
+ return 0;
+}
+
+static void
+freestate(struct rpmdbstate *state)
+{
+ /* close down */
+ if (!state)
+ return;
+ if (state->db)
+ state->db->close(state->db, 0);
+ if (state->dbenv)
+ closedbenv(state);
+ if (state->rootdir)
+ solv_free(state->rootdir);
+ solv_free(state->rpmhead);
+}
+
+void *
+rpm_state_create(Pool *pool, const char *rootdir)
+{
+ struct rpmdbstate *state;
+ state = solv_calloc(1, sizeof(*state));
+ state->pool = pool;
+ if (rootdir)
+ state->rootdir = solv_strdup(rootdir);
+ return state;
+}
+
+void *
+rpm_state_free(void *state)
+{
+ freestate(state);
+ return solv_free(state);
+}
+
+static int
+count_headers(struct rpmdbstate *state)
+{
+ Pool *pool = state->pool;
+ char dbpath[PATH_MAX];
+ struct stat statbuf;
+ DB *db = 0;
+ DBC *dbc = 0;
+ int count = 0;
+ DBT dbkey;
+ DBT dbdata;
+
+ snprintf(dbpath, PATH_MAX, "%s%s/Name", state->rootdir ? state->rootdir : "", state->is_ostree ? "/usr/share/rpm" : "/var/lib/rpm");
+ if (stat(dbpath, &statbuf))
+ return 0;
+ memset(&dbkey, 0, sizeof(dbkey));
+ memset(&dbdata, 0, sizeof(dbdata));
+ if (db_create(&db, state->dbenv, 0))
+ {
+ pool_error(pool, 0, "db_create: %s", strerror(errno));
+ return 0;
+ }
+ if (db->open(db, 0, "Name", 0, DB_UNKNOWN, DB_RDONLY, 0664))
+ {
+ pool_error(pool, 0, "db->open Name: %s", strerror(errno));
+ db->close(db, 0);
+ return 0;
+ }
+ if (db->cursor(db, NULL, &dbc, 0))
+ {
+ db->close(db, 0);
+ pool_error(pool, 0, "db->cursor: %s", strerror(errno));
+ return 0;
+ }
+ while (dbc->c_get(dbc, &dbkey, &dbdata, DB_NEXT) == 0)
+ count += dbdata.size / RPM_INDEX_SIZE;
+ dbc->c_close(dbc);
+ db->close(db, 0);
+ return count;
+}
+
+/******************************************************************/
+
+static Offset
+copydeps(Pool *pool, Repo *repo, Offset fromoff, Repo *fromrepo)
+{
+ int cc;
+ Id *ida, *from;
+ Offset ido;
+
+ if (!fromoff)
+ return 0;
+ from = fromrepo->idarraydata + fromoff;
+ for (ida = from, cc = 0; *ida; ida++, cc++)
+ ;
+ if (cc == 0)
+ return 0;
+ ido = repo_reserve_ids(repo, 0, cc);
+ ida = repo->idarraydata + ido;
+ memcpy(ida, from, (cc + 1) * sizeof(Id));
+ repo->idarraysize += cc + 1;
+ return ido;
+}
+
+#define COPYDIR_DIRCACHE_SIZE 512
+
+static Id copydir_complex(Pool *pool, Repodata *data, Repodata *fromdata, Id did, Id *cache);
+
+static inline Id
+copydir(Pool *pool, Repodata *data, Repodata *fromdata, Id did, Id *cache)
+{
+ if (cache && cache[did & 255] == did)
+ return cache[(did & 255) + 256];
+ return copydir_complex(pool, data, fromdata, did, cache);
+}
+
+static Id
+copydir_complex(Pool *pool, Repodata *data, Repodata *fromdata, Id did, Id *cache)
+{
+ Id parent = dirpool_parent(&fromdata->dirpool, did);
+ Id compid = dirpool_compid(&fromdata->dirpool, did);
+ if (parent)
+ parent = copydir(pool, data, fromdata, parent, cache);
+ if (data->localpool || fromdata->localpool)
+ compid = repodata_translate_id(data, fromdata, compid, 1);
+ compid = dirpool_add_dir(&data->dirpool, parent, compid, 1);
+ if (cache)
+ {