X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Flookups%2Fredis.c;h=3141aacf6fc7b111d93ef5f22bd7349d7d54a76c;hp=dcd1b659cb86abaf180ef5aa91828c7200493aeb;hb=9f4001740f061f29c65835c6f7efcab50c27db13;hpb=3bbf85f29be41a56c82ff8b435289c40e40f7afa;ds=sidebyside diff --git a/src/src/lookups/redis.c b/src/src/lookups/redis.c index dcd1b659c..3141aacf6 100644 --- a/src/src/lookups/redis.c +++ b/src/src/lookups/redis.c @@ -28,7 +28,7 @@ static redis_connection *redis_connections = NULL; static void * -redis_open(uschar *filename, uschar **errmsg) +redis_open(const uschar * filename, uschar ** errmsg) { return (void *)(1); } @@ -47,7 +47,7 @@ redis_connection *cn; while ((cn = redis_connections)) { redis_connections = cn->next; - DEBUG(D_lookup) debug_printf("close REDIS connection: %s\n", cn->server); + DEBUG(D_lookup) debug_printf_indent("close REDIS connection: %s\n", cn->server); redisFree(cn->handle); } } @@ -63,6 +63,7 @@ single server. errmsg where to point an error message defer_break TRUE if no more servers are to be tried after DEFER do_cache set false if data is changed + opts options The server string is of the form "host/dbnumber/password". The host can be host:port. This string is in a nextinlist temporary buffer, so can be @@ -73,7 +74,7 @@ single server. static int perform_redis_search(const uschar *command, uschar *server, uschar **resultptr, - uschar **errmsg, BOOL *defer_break, uint *do_cache) + uschar **errmsg, BOOL *defer_break, uint *do_cache, const uschar * opts) { redisContext *redis_handle = NULL; /* Keep compilers happy */ redisReply *redis_reply = NULL; @@ -92,7 +93,7 @@ We can write to the string, since it is in a nextinlist temporary buffer. This copy is also used for debugging output. */ memset(sdata, 0, sizeof(sdata)) /* Set all to NULL */; -for (i = 2; i > 0; i--) +for (int i = 2; i > 0; i--) { uschar *pp = Ustrrchr(server, '/'); @@ -154,7 +155,7 @@ if (!cn) } DEBUG(D_lookup) - debug_printf("REDIS new connection: host=%s port=%d socket=%s database=%s\n", + debug_printf_indent("REDIS new connection: host=%s port=%d socket=%s database=%s\n", sdata[0], port, socket, sdata[1]); /* Get store for a new handle, initialize it, and connect to the server */ @@ -163,13 +164,13 @@ if (!cn) socket ? redisConnectUnix(CCS socket) : redisConnect(CCS server, port); if (!redis_handle) { - *errmsg = string_sprintf("REDIS connection failed"); + *errmsg = US"REDIS connection failed"; *defer_break = FALSE; goto REDIS_EXIT; } /* Add the connection to the cache */ - cn = store_get(sizeof(redis_connection)); + cn = store_get(sizeof(redis_connection), FALSE); cn->server = server_copy; cn->handle = redis_handle; cn->next = redis_connections; @@ -178,7 +179,7 @@ if (!cn) else { DEBUG(D_lookup) - debug_printf("REDIS using cached connection for %s\n", server_copy); + debug_printf_indent("REDIS using cached connection for %s\n", server_copy); } /* Authenticate if there is a password */ @@ -199,15 +200,14 @@ if(sdata[1]) *defer_break = FALSE; goto REDIS_EXIT; } - DEBUG(D_lookup) debug_printf("REDIS: Selecting database=%s\n", sdata[1]); + DEBUG(D_lookup) debug_printf_indent("REDIS: Selecting database=%s\n", sdata[1]); } /* split string on whitespace into argv */ { uschar * argv[32]; - int i; const uschar * s = command; - int siz, ptr; + int siz, ptr, i; uschar c; while (isspace(*s)) s++; @@ -221,15 +221,14 @@ if(sdata[1]) g = string_catn(g, s, 1); argv[i] = string_from_gstring(g); - DEBUG(D_lookup) debug_printf("REDIS: argv[%d] '%s'\n", i, argv[i]); + DEBUG(D_lookup) debug_printf_indent("REDIS: argv[%d] '%s'\n", i, argv[i]); while (isspace(*s)) s++; } /* Run the command. We use the argv form rather than plain as that parses into args by whitespace yet has no escaping mechanism. */ - redis_reply = redisCommandArgv(redis_handle, i, (const char **) argv, NULL); - if (!redis_reply) + if (!(redis_reply = redisCommandArgv(redis_handle, i, CCSS argv, NULL))) { *errmsg = string_sprintf("REDIS: query failed: %s\n", redis_handle->errstr); *defer_break = FALSE; @@ -246,14 +245,14 @@ switch (redis_reply->type) if (Ustrncmp(redis_reply->str, "MOVED", 5) == 0) { DEBUG(D_lookup) - debug_printf("REDIS: cluster redirect %s\n", redis_reply->str); + debug_printf_indent("REDIS: cluster redirect %s\n", redis_reply->str); /* follow redirect - This is cheating, we simply set defer_break = TRUE to move on to + This is cheating, we simply set defer_break = FALSE to move on to the next server in the redis_servers list */ - *defer_break = TRUE; + *defer_break = FALSE; return DEFER; } else { - *defer_break = FALSE; + *defer_break = TRUE; } *do_cache = 0; goto REDIS_EXIT; @@ -261,7 +260,7 @@ switch (redis_reply->type) case REDIS_REPLY_NIL: DEBUG(D_lookup) - debug_printf("REDIS: query was not one that returned any data\n"); + debug_printf_indent("REDIS: query was not one that returned any data\n"); result = string_catn(result, US"", 1); *do_cache = 0; goto REDIS_EXIT; @@ -281,7 +280,7 @@ switch (redis_reply->type) /* NOTE: For now support 1 nested array result. If needed a limitless result can be parsed */ - for (i = 0; i < redis_reply->elements; i++) + for (int i = 0; i < redis_reply->elements; i++) { entry = redis_reply->element[i]; @@ -291,13 +290,13 @@ switch (redis_reply->type) switch (entry->type) { case REDIS_REPLY_INTEGER: - result = string_cat(result, string_sprintf("%d", entry->integer)); + result = string_fmt_append(result, "%d", entry->integer); break; case REDIS_REPLY_STRING: result = string_catn(result, US entry->str, entry->len); break; case REDIS_REPLY_ARRAY: - for (j = 0; j < entry->elements; j++) + for (int j = 0; j < entry->elements; j++) { tentry = entry->element[j]; @@ -307,25 +306,25 @@ switch (redis_reply->type) switch (tentry->type) { case REDIS_REPLY_INTEGER: - result = string_cat(result, string_sprintf("%d", tentry->integer)); + result = string_fmt_append(result, "%d", tentry->integer); break; case REDIS_REPLY_STRING: result = string_catn(result, US tentry->str, tentry->len); break; case REDIS_REPLY_ARRAY: DEBUG(D_lookup) - debug_printf("REDIS: result has nesting of arrays which" + debug_printf_indent("REDIS: result has nesting of arrays which" " is not supported. Ignoring!\n"); break; default: - DEBUG(D_lookup) debug_printf( + DEBUG(D_lookup) debug_printf_indent( "REDIS: result has unsupported type. Ignoring!\n"); break; } } break; default: - DEBUG(D_lookup) debug_printf("REDIS: query returned unsupported type\n"); + DEBUG(D_lookup) debug_printf_indent("REDIS: query returned unsupported type\n"); break; } } @@ -334,7 +333,7 @@ switch (redis_reply->type) if (result) - store_reset(result->s + result->ptr + 1); + gstring_release_unused(result); else { yield = FAIL; @@ -357,7 +356,7 @@ if (result) } else { - DEBUG(D_lookup) debug_printf("%s\n", *errmsg); + DEBUG(D_lookup) debug_printf_indent("%s\n", *errmsg); /* NOTE: Required to close connection since it needs to be reopened */ return yield; /* FAIL or DEFER */ } @@ -376,13 +375,13 @@ else */ static int -redis_find(void *handle __attribute__((unused)), - uschar *filename __attribute__((unused)), - const uschar *command, int length, uschar **result, uschar **errmsg, - uint *do_cache) +redis_find(void * handle __attribute__((unused)), + const uschar * filename __attribute__((unused)), + const uschar * command, int length, uschar ** result, uschar ** errmsg, + uint * do_cache, const uschar * opts) { return lf_sqlperform(US"Redis", US"redis_servers", redis_servers, command, - result, errmsg, do_cache, perform_redis_search); + result, errmsg, do_cache, opts, perform_redis_search); } @@ -417,7 +416,7 @@ while ((c = *t++) != 0) if (isspace(c) || c == '\\') count++; if (count == 0) return s; -t = quoted = store_get(Ustrlen(s) + count + 1); +t = quoted = store_get(Ustrlen(s) + count + 1, is_tainted(s)); while ((c = *s++) != 0) { @@ -449,15 +448,15 @@ fprintf(f, " Exim version %s\n", EXIM_VERSION_STR); /* These are the lookup_info blocks for this driver */ static lookup_info redis_lookup_info = { - US"redis", /* lookup name */ - lookup_querystyle, /* query-style lookup */ - redis_open, /* open function */ - NULL, /* no check function */ - redis_find, /* find function */ - NULL, /* no close function */ - redis_tidy, /* tidy function */ - redis_quote, /* quoting function */ - redis_version_report /* version reporting */ + .name = US"redis", /* lookup name */ + .type = lookup_querystyle, /* query-style lookup */ + .open = redis_open, /* open function */ + .check = NULL, /* no check function */ + .find = redis_find, /* find function */ + .close = NULL, /* no close function */ + .tidy = redis_tidy, /* tidy function */ + .quote = redis_quote, /* quoting function */ + .version_report = redis_version_report /* version reporting */ }; #ifdef DYNLOOKUP