X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/3b5b9db0bc2dbe93b3b79e722997606c71ecafb9..8d14d66b84cc370cefe54b33de1b95bb49c90bf6:/keydb_pg.c?ds=sidebyside diff --git a/keydb_pg.c b/keydb_pg.c index 3b12791..85ea500 100644 --- a/keydb_pg.c +++ b/keydb_pg.c @@ -3,14 +3,12 @@ * * Jonathan McDowell * - * Copyright 2002 Project Purple + * Copyright 2002-2004 Project Purple */ #include #include -//#include -//#include #include #include #include @@ -40,7 +38,7 @@ static PGconn *dbconn = NULL; */ static int keydb_fetchchar(void *fd, size_t count, unsigned char *c) { - return (!lo_read(dbconn, *(int *) fd, c, count)); + return (!lo_read(dbconn, *(int *) fd, (char *) c, count)); } /** @@ -48,7 +46,7 @@ static int keydb_fetchchar(void *fd, size_t count, unsigned char *c) */ static int keydb_putchar(void *fd, size_t count, unsigned char *c) { - return !(lo_write(dbconn, *(int *) fd, c, count)); + return !(lo_write(dbconn, *(int *) fd, (char *) c, count)); } /** @@ -58,7 +56,7 @@ static int keydb_putchar(void *fd, size_t count, unsigned char *c) * this file are called in order to allow the DB to be initialized ready * for access. */ -void initdb(void) +static void pg_initdb(bool readonly) { dbconn = PQsetdbLogin(config.pg_dbhost, // host NULL, // port @@ -83,7 +81,7 @@ void initdb(void) * This function should be called upon program exit to allow the DB to * cleanup after itself. */ -void cleanupdb(void) +static void pg_cleanupdb(void) { PQfinish(dbconn); dbconn = NULL; @@ -96,7 +94,7 @@ void cleanupdb(void) * operations on the database to help speed it all up, or if we want * something to only succeed if all relevant operations are successful. */ -bool starttrans(void) +static bool pg_starttrans(void) { PGresult *result = NULL; @@ -111,7 +109,7 @@ bool starttrans(void) * * Ends a transaction. */ -void endtrans(void) +static void pg_endtrans(void) { PGresult *result = NULL; @@ -133,7 +131,7 @@ void endtrans(void) * in and then parse_keys() to parse the packets into a publickey * structure. */ -int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, +static int pg_fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, bool intrans) { struct openpgp_packet_list *packets = NULL; @@ -174,7 +172,7 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, "Can't open large object."); } else { read_openpgp_stream(keydb_fetchchar, &fd, - &packets); + &packets, 0); parse_keys(packets, publickey); lo_close(dbconn, fd); free_packet_list(packets); @@ -202,7 +200,8 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, * This function searches for the supplied text and returns the keys that * contain it. */ -int fetch_key_text(const char *search, struct openpgp_publickey **publickey) +static int pg_fetch_key_text(const char *search, + struct openpgp_publickey **publickey) { struct openpgp_packet_list *packets = NULL; PGresult *result = NULL; @@ -219,7 +218,7 @@ int fetch_key_text(const char *search, struct openpgp_publickey **publickey) newsearch = malloc(strlen(search) * 2 + 1); memset(newsearch, 0, strlen(search) * 2 + 1); - PQescapeString(newsearch, search, strlen(search)); + PQescapeStringConn(dbconn, newsearch, search, strlen(search), NULL); snprintf(statement, 1023, "SELECT DISTINCT onak_keys.keydata FROM onak_keys, " "onak_uids WHERE onak_keys.keyid = onak_uids.keyid " @@ -241,7 +240,8 @@ int fetch_key_text(const char *search, struct openpgp_publickey **publickey) "Can't open large object."); } else { read_openpgp_stream(keydb_fetchchar, &fd, - &packets); + &packets, + 0); parse_keys(packets, publickey); lo_close(dbconn, fd); free_packet_list(packets); @@ -259,6 +259,75 @@ int fetch_key_text(const char *search, struct openpgp_publickey **publickey) return (numkeys); } +/** + * delete_key - Given a keyid delete the key from storage. + * @keyid: The keyid to delete. + * @intrans: If we're already in a transaction. + * + * This function deletes a public key from whatever storage mechanism we + * are using. Returns 0 if the key existed. + */ +static int pg_delete_key(uint64_t keyid, bool intrans) +{ + PGresult *result = NULL; + char *oids = NULL; + char statement[1024]; + int found = 1; + int i; + Oid key_oid; + + if (!intrans) { + result = PQexec(dbconn, "BEGIN"); + PQclear(result); + } + + snprintf(statement, 1023, + "SELECT keydata FROM onak_keys WHERE keyid = '%llX'", + keyid); + result = PQexec(dbconn, statement); + + if (PQresultStatus(result) == PGRES_TUPLES_OK) { + found = 0; + i = PQntuples(result); + while (i > 0) { + oids = PQgetvalue(result, i-1, 0); + key_oid = (Oid) atoi(oids); + lo_unlink(dbconn, key_oid); + i--; + } + PQclear(result); + + snprintf(statement, 1023, + "DELETE FROM onak_keys WHERE keyid = '%llX'", + keyid); + result = PQexec(dbconn, statement); + PQclear(result); + + snprintf(statement, 1023, + "DELETE FROM onak_sigs WHERE signee = '%llX'", + keyid); + result = PQexec(dbconn, statement); + PQclear(result); + + snprintf(statement, 1023, + "DELETE FROM onak_uids WHERE keyid = '%llX'", + keyid); + result = PQexec(dbconn, statement); + } else if (PQresultStatus(result) != PGRES_TUPLES_OK) { + logthing(LOGTHING_ERROR, + "Problem retrieving key (%llX) from DB.", + keyid); + } + + PQclear(result); + + if (!intrans) { + result = PQexec(dbconn, "COMMIT"); + PQclear(result); + } + return (found); +} + /** * store_key - Takes a key and stores it. * @publickey: A pointer to the public key to store. @@ -271,7 +340,8 @@ int fetch_key_text(const char *search, struct openpgp_publickey **publickey) * the file. If update is true then we delete the old key first, otherwise * we trust that it doesn't exist. */ -int store_key(struct openpgp_publickey *publickey, bool intrans, bool update) +static int pg_store_key(struct openpgp_publickey *publickey, bool intrans, + bool update) { struct openpgp_packet_list *packets = NULL; struct openpgp_packet_list *list_end = NULL; @@ -300,7 +370,7 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update) * it definitely needs updated. */ if (update) { - delete_key(get_keyid(publickey), true); + pg_delete_key(get_keyid(publickey), true); } next = publickey->next; @@ -338,8 +408,8 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update) safeuid = malloc(strlen(uids[i]) * 2 + 1); if (safeuid != NULL) { memset(safeuid, 0, strlen(uids[i]) * 2 + 1); - PQescapeString(safeuid, uids[i], - strlen(uids[i])); + PQescapeStringConn(dbconn, safeuid, uids[i], + strlen(uids[i]), NULL); snprintf(statement, 1023, "INSERT INTO onak_uids " @@ -394,80 +464,11 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update) return 0; } -/** - * delete_key - Given a keyid delete the key from storage. - * @keyid: The keyid to delete. - * @intrans: If we're already in a transaction. - * - * This function deletes a public key from whatever storage mechanism we - * are using. Returns 0 if the key existed. - */ -int delete_key(uint64_t keyid, bool intrans) -{ - PGresult *result = NULL; - char *oids = NULL; - char statement[1024]; - int found = 1; - int i; - Oid key_oid; - - if (!intrans) { - result = PQexec(dbconn, "BEGIN"); - PQclear(result); - } - - snprintf(statement, 1023, - "SELECT keydata FROM onak_keys WHERE keyid = '%llX'", - keyid); - result = PQexec(dbconn, statement); - - if (PQresultStatus(result) == PGRES_TUPLES_OK) { - found = 0; - i = PQntuples(result); - while (i > 0) { - oids = PQgetvalue(result, i-1, 0); - key_oid = (Oid) atoi(oids); - lo_unlink(dbconn, key_oid); - i--; - } - PQclear(result); - - snprintf(statement, 1023, - "DELETE FROM onak_keys WHERE keyid = '%llX'", - keyid); - result = PQexec(dbconn, statement); - PQclear(result); - - snprintf(statement, 1023, - "DELETE FROM onak_sigs WHERE signee = '%llX'", - keyid); - result = PQexec(dbconn, statement); - PQclear(result); - - snprintf(statement, 1023, - "DELETE FROM onak_uids WHERE keyid = '%llX'", - keyid); - result = PQexec(dbconn, statement); - } else if (PQresultStatus(result) != PGRES_TUPLES_OK) { - logthing(LOGTHING_ERROR, - "Problem retrieving key (%llX) from DB.", - keyid); - } - - PQclear(result); - - if (!intrans) { - result = PQexec(dbconn, "COMMIT"); - PQclear(result); - } - return (found); -} - /** * keyid2uid - Takes a keyid and returns the primary UID for it. * @keyid: The keyid to lookup. */ -char *keyid2uid(uint64_t keyid) +static char *pg_keyid2uid(uint64_t keyid) { PGresult *result = NULL; char statement[1024]; @@ -502,11 +503,12 @@ char *keyid2uid(uint64_t keyid) /** * getkeysigs - Gets a linked list of the signatures on a key. * @keyid: The keyid to get the sigs for. + * @revoked: If the key is revoked. * * This function gets the list of signatures on a key. Used for key * indexing and doing stats bits. */ -struct ll *getkeysigs(uint64_t keyid) +static struct ll *pg_getkeysigs(uint64_t keyid, bool *revoked) { struct ll *sigs = NULL; PGresult *result = NULL; @@ -554,11 +556,98 @@ struct ll *getkeysigs(uint64_t keyid) result = PQexec(dbconn, "COMMIT"); PQclear(result); } + + /* + * TODO: What do we do about revocations? We don't have the details + * stored in a separate table, so we'd have to grab the key and decode + * it, which we're trying to avoid by having a signers table. + */ + if (revoked != NULL) { + *revoked = false; + } + return sigs; } +/** + * iterate_keys - call a function once for each key in the db. + * @iterfunc: The function to call. + * @ctx: A context pointer + * + * Calls iterfunc once for each key in the database. ctx is passed + * unaltered to iterfunc. This function is intended to aid database dumps + * and statistic calculations. + * + * Returns the number of keys we iterated over. + */ +static int pg_iterate_keys(void (*iterfunc)(void *ctx, + struct openpgp_publickey *key), void *ctx) +{ + struct openpgp_packet_list *packets = NULL; + struct openpgp_publickey *key = NULL; + PGresult *result = NULL; + char *oids = NULL; + char statement[1024]; + int fd = -1; + int i = 0; + int numkeys = 0; + Oid key_oid; + + result = PQexec(dbconn, "SELECT keydata FROM onak_keys;"); + + if (PQresultStatus(result) == PGRES_TUPLES_OK) { + numkeys = PQntuples(result); + for (i = 0; i < numkeys; i++) { + oids = PQgetvalue(result, i, 0); + key_oid = (Oid) atoi(oids); + + fd = lo_open(dbconn, key_oid, INV_READ); + if (fd < 0) { + logthing(LOGTHING_ERROR, + "Can't open large object."); + } else { + read_openpgp_stream(keydb_fetchchar, &fd, + &packets, 0); + parse_keys(packets, &key); + lo_close(dbconn, fd); + + iterfunc(ctx, key); + + free_publickey(key); + key = NULL; + free_packet_list(packets); + packets = NULL; + } + } + } else if (PQresultStatus(result) != PGRES_TUPLES_OK) { + logthing(LOGTHING_ERROR, "Problem retrieving key from DB."); + } + + PQclear(result); + + return (numkeys); +} + /* * Include the basic keydb routines. */ #define NEED_GETFULLKEYID 1 +#define NEED_UPDATEKEYS 1 #include "keydb.c" + +struct dbfuncs keydb_pg_funcs = { + .initdb = pg_initdb, + .cleanupdb = pg_cleanupdb, + .starttrans = pg_starttrans, + .endtrans = pg_endtrans, + .fetch_key = pg_fetch_key, + .fetch_key_text = pg_fetch_key_text, + .store_key = pg_store_key, + .update_keys = generic_update_keys, + .delete_key = pg_delete_key, + .getkeysigs = pg_getkeysigs, + .cached_getkeysigs = generic_cached_getkeysigs, + .keyid2uid = pg_keyid2uid, + .getfullkeyid = generic_getfullkeyid, + .iterate_keys = pg_iterate_keys, +};