diff options
Diffstat (limited to 'comm/third_party/libotr/tests/unit/test_proto.c')
| -rw-r--r-- | comm/third_party/libotr/tests/unit/test_proto.c | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/comm/third_party/libotr/tests/unit/test_proto.c b/comm/third_party/libotr/tests/unit/test_proto.c new file mode 100644 index 0000000000..5b522efc0b --- /dev/null +++ b/comm/third_party/libotr/tests/unit/test_proto.c @@ -0,0 +1,371 @@ +/* + * Copyright (C) 2014 - Julien Voisin <julien.voisin@dustri.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License, version 2 only, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 51 + * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <limits.h> +#include <pthread.h> + +#include <proto.h> + +#include <tap/tap.h> + +GCRY_THREAD_OPTION_PTHREAD_IMPL; + +#define NUM_TESTS 48 + +static ConnContext *new_context(const char *user, const char *accountname, + const char *protocol) +{ + ConnContext *context; + OtrlSMState *smstate; + + context = malloc(sizeof(ConnContext)); + + context->username = strdup(user); + context->accountname = strdup(accountname); + context->protocol = strdup(protocol); + + context->msgstate = OTRL_MSGSTATE_PLAINTEXT; + otrl_auth_new(context); + + smstate = malloc(sizeof(OtrlSMState)); + otrl_sm_state_new(smstate); + context->smstate = smstate; + + context->our_instance = 0; + context->their_instance = OTRL_INSTAG_MASTER; + context->fingerprint_root.fingerprint = NULL; + context->fingerprint_root.context = context; + context->fingerprint_root.next = NULL; + context->fingerprint_root.tous = NULL; + context->active_fingerprint = NULL; + memset(context->sessionid, 0, 20); + context->sessionid_len = 0; + context->protocol_version = 0; + context->otr_offer = OFFER_NOT; + context->app_data = NULL; + context->app_data_free = NULL; + context->context_priv = otrl_context_priv_new(); + context->next = NULL; + context->m_context = context; + context->recent_rcvd_child = NULL; + context->recent_sent_child = NULL; + context->recent_child = NULL; + + return context; +} + +static void test_otrl_proto_whitespace_bestversion(void) +{ + unsigned int ret; + const char *start, *end; + const char *test1 = OTRL_MESSAGE_TAG_BASE OTRL_MESSAGE_TAG_V2; + const char *test2 = OTRL_MESSAGE_TAG_BASE OTRL_MESSAGE_TAG_V3; + const char *test3 = OTRL_MESSAGE_TAG_BASE "foobar"; + + ret = otrl_proto_whitespace_bestversion(test1, &start, &end, + OTRL_POLICY_ALLOW_V2); + ok(ret == 2, "Best version whitespace v2"); + + ret = otrl_proto_whitespace_bestversion(test1, &start, &end, + OTRL_POLICY_ALLOW_V2 | OTRL_POLICY_ALLOW_V3); + ok(ret == 2, "Best version whitespace v2 dual policy"); + + ret = otrl_proto_whitespace_bestversion(test2, &start, &end, + OTRL_POLICY_ALLOW_V3); + ok(ret == 3, "Best version whitespace v3"); + + ret = otrl_proto_whitespace_bestversion(test2, &start, &end, + OTRL_POLICY_ALLOW_V2 | OTRL_POLICY_ALLOW_V3); + ok(ret == 3, "Best version whitespace v3 dual policy"); + + ret = otrl_proto_whitespace_bestversion(test3, &start, &end, + OTRL_POLICY_ALLOW_V2 | OTRL_POLICY_ALLOW_V3); + ok(ret == 0, "Best version whitespace invalid"); +} + +static void test_otrl_proto_query_bestversion(void) +{ + const char *query2 = "?OTRv2?\n<b>alice</b> has requested an " + "<a href=\"https://otr.cypherpunks.ca/\">Off-the-Record " + "private conversation</a>. However, you do not have a plugin " + "to support that.\nSee <a href=\"https://otr.cypherpunks.ca/\">" + "https://otr.cypherpunks.ca/</a> for more information."; + + const char *query23 = "?OTRv23?\n<b>alice</b> has requested an " + "<a href=\"https://otr.cypherpunks.ca/\">Off-the-Record " + "private conversation</a>. However, you do not have a plugin " + "to support that.\nSee <a href=\"https://otr.cypherpunks.ca/\">" + "https://otr.cypherpunks.ca/</a> for more information."; + + const char *query3 = "?OTRv3?\n<b>alice</b> has requested an " + "<a href=\"https://otr.cypherpunks.ca/\">Off-the-Record " + "private conversation</a>. However, you do not have a plugin " + "to support that.\nSee <a href=\"https://otr.cypherpunks.ca/\">" + "https://otr.cypherpunks.ca/</a> for more information."; + + ok(otrl_proto_query_bestversion(query2, OTRL_POLICY_ALLOW_V2) == 2, + "The best from query2 is 2"); + ok(otrl_proto_query_bestversion(query3, OTRL_POLICY_ALLOW_V3) == 3, + "The best from query3 is 3"); + ok(otrl_proto_query_bestversion(query23, OTRL_POLICY_ALLOW_V2) == 2, + "The best from query23 is 2"); + ok(otrl_proto_query_bestversion(query23, OTRL_POLICY_ALLOW_V3) == 3, + "The best from query23 is 3"); +} + +static void test_otrl_proto_default_query_msg(void) +{ + const char *expected2 = "?OTRv2?\n<b>alice</b> has requested an " + "<a href=\"https://otr.cypherpunks.ca/\">Off-the-Record " + "private conversation</a>. However, you do not have a plugin " + "to support that.\nSee <a href=\"https://otr.cypherpunks.ca/\">" + "https://otr.cypherpunks.ca/</a> for more information."; + + const char *expected23 = "?OTRv23?\n<b>alice</b> has requested an " + "<a href=\"https://otr.cypherpunks.ca/\">Off-the-Record " + "private conversation</a>. However, you do not have a plugin " + "to support that.\nSee <a href=\"https://otr.cypherpunks.ca/\">" + "https://otr.cypherpunks.ca/</a> for more information."; + + const char *expected3 = "?OTRv3?\n<b>alice</b> has requested an " + "<a href=\"https://otr.cypherpunks.ca/\">Off-the-Record " + "private conversation</a>. However, you do not have a plugin " + "to support that.\nSee <a href=\"https://otr.cypherpunks.ca/\">" + "https://otr.cypherpunks.ca/</a> for more information."; + + const char *msg2 = otrl_proto_default_query_msg("alice", + OTRL_POLICY_ALLOW_V2); + const char *msg23 = otrl_proto_default_query_msg("alice", + OTRL_POLICY_ALLOW_V2 | OTRL_POLICY_ALLOW_V3); + const char *msg3 = otrl_proto_default_query_msg("alice", + OTRL_POLICY_ALLOW_V3); + ok(strcmp(expected2, msg2) == 0, "OTRv2 default query message is valid"); + ok(strcmp(expected23, msg23) == 0, + "OTRv23 default query message is valid"); + ok(strcmp(expected3, msg3) == 0, "OTRv3 default query message is valid"); +} + +void test_otrl_init(void) +{ + extern unsigned int otrl_api_version; + + const unsigned int expected = rand(); + otrl_api_version = expected; + ok(otrl_init(OTRL_VERSION_MAJOR+1, 0, 0) == gcry_error(GPG_ERR_INV_VALUE), + "Too recent major version"); + ok(otrl_api_version == expected, "Api number unchanged"); + + ok(otrl_init(OTRL_VERSION_MAJOR-1, 0, 0) == gcry_error(GPG_ERR_INV_VALUE), + "Too old major version"); + ok(otrl_api_version == expected, "Api number unchanged"); + + ok(otrl_init(OTRL_VERSION_MAJOR, OTRL_VERSION_MINOR+1, 0) + == gcry_error(GPG_ERR_INV_VALUE), + "Too recent minor version"); + ok(otrl_api_version = expected, "Api number unchanged"); + + ok(otrl_init(OTRL_VERSION_MAJOR, OTRL_VERSION_MINOR?OTRL_VERSION_MINOR-1:0, + OTRL_VERSION_SUB) == gcry_error(GPG_ERR_NO_ERROR), + "Inferior minor version"); + ok(otrl_api_version = expected, "Api number unchanged"); + + otrl_api_version = 0; + + ok(otrl_init(OTRL_VERSION_MAJOR, OTRL_VERSION_MINOR, OTRL_VERSION_SUB) + == gcry_error(GPG_ERR_NO_ERROR), "Exact version"); + ok(otrl_api_version == ( + (OTRL_VERSION_MAJOR << 16) | + (OTRL_VERSION_MINOR << 8) | + (OTRL_VERSION_SUB) + ), "Api version set for exact version"); +} + +static void test_otrl_proto_message_type(void) +{ + OtrlMessageType ret; + + const char *test1 = "This is plaintext"; + ret = otrl_proto_message_type(test1); + ok(ret == OTRL_MSGTYPE_NOTOTR, "Proto message type is not OTR"); + + const char *test2 = OTRL_MESSAGE_TAG_BASE "This is plaintext"; + ret = otrl_proto_message_type(test2); + ok(ret == OTRL_MSGTYPE_TAGGEDPLAINTEXT, + "Proto message type is tagged plaintext"); + + const char *test3 = "?OTR:AAIC"; + ret = otrl_proto_message_type(test3); + ok(ret == OTRL_MSGTYPE_DH_COMMIT, "Proto message type v2 is dh commit"); + + const char *test4 = "?OTR:AAMC"; + ret = otrl_proto_message_type(test4); + ok(ret == OTRL_MSGTYPE_DH_COMMIT, "Proto message type v3 is dh commit"); + + const char *test5 = "?OTR:AAIK"; + ret = otrl_proto_message_type(test5); + ok(ret == OTRL_MSGTYPE_DH_KEY, "Proto message type v2 is DH key"); + + const char *test6 = "?OTR:AAMK"; + ret = otrl_proto_message_type(test6); + ok(ret == OTRL_MSGTYPE_DH_KEY, "Proto message type v3 is DH key"); + + const char *test7 = "?OTR:AAIR"; + ret = otrl_proto_message_type(test7); + ok(ret == OTRL_MSGTYPE_REVEALSIG, "Proto message type v2 is revealsig"); + + const char *test8 = "?OTR:AAMR"; + ret = otrl_proto_message_type(test8); + ok(ret == OTRL_MSGTYPE_REVEALSIG, "Proto message type v3 is revealsig"); + + const char *test9 = "?OTR:AAIS"; + ret = otrl_proto_message_type(test9); + ok(ret == OTRL_MSGTYPE_SIGNATURE, "Proto message type v2 is a signature"); + + const char *test10 = "?OTR:AAMS"; + ret = otrl_proto_message_type(test10); + ok(ret == OTRL_MSGTYPE_SIGNATURE, "Proto message type v3 is a signature"); + + const char *test11 = "?OTR:AAID"; + ret = otrl_proto_message_type(test11); + ok(ret == OTRL_MSGTYPE_DATA, "Proto message type v2 is a data msg"); + + const char *test12 = "?OTR:AAMD"; + ret = otrl_proto_message_type(test12); + ok(ret == OTRL_MSGTYPE_DATA, "Proto message type v3 is a data msg"); + + const char *test13 = "?OTR?"; + ret = otrl_proto_message_type(test13); + ok(ret == OTRL_MSGTYPE_QUERY, "Proto message type is a query"); + + const char *test14 = "?OTR?v"; + ret = otrl_proto_message_type(test14); + ok(ret == OTRL_MSGTYPE_QUERY, "Proto message type is a query"); + + const char *test15 = "?OTR Error:"; + ret = otrl_proto_message_type(test15); + ok(ret == OTRL_MSGTYPE_ERROR, "Proto message type is an error"); + + const char *test16 = "?OTR: Please verify me"; + ret = otrl_proto_message_type(test16); + ok(ret == OTRL_MSGTYPE_UNKNOWN, "Proto message type is unknown"); + + const char *test17 = "?OTR:AAMA"; + ret = otrl_proto_message_type(test17); + ok(ret == OTRL_MSGTYPE_UNKNOWN, "Proto message type is unknown"); +} + +static void test_otrl_proto_message_version(void) +{ + int ret; + + const char *test1 = "?OTR:AAI"; + ret = otrl_proto_message_version(test1); + ok(ret == 2, "Protocol message version is 2"); + + const char *test2 = "?OTR:AAM"; + ret = otrl_proto_message_version(test2); + ok(ret == 3, "Protocol message version is 3"); + + const char *test3 = "?OTR:BLAH"; + ret = otrl_proto_message_version(test3); + ok(ret == 0, "Protocol message version is unknown"); +} + +static void test_otrl_proto_instance(void) +{ + /* Canary that shouldn't get modified on error. */ + unsigned int inst_from = 42, inst_to = 42; + gcry_error_t ret; + + /* + * Instance tags only supported in protocol v3 (AAM in b64). The msg type + * here is "A" which does not represent a valid one but we don't care + * followed by the Sender Instance set to 1 and Receiver Instance set to 2. + */ + const char *test1 = "?OTR:AAMAAAAAAQAAAAI=="; + ret = otrl_proto_instance(test1, &inst_from, &inst_to); + ok(ret == gcry_error(GPG_ERR_NO_ERROR) + && inst_from == 1 + && inst_to == 2, + "Proto instance find for v3"); + + /* Reset canary. */ + inst_from = inst_to = 42; + + /* Len is not enough here. */ + const char *test2 = "?OTR:AAMAAA="; + ret = otrl_proto_instance(test2, &inst_from, &inst_to); + ok(ret == gcry_error(GPG_ERR_INV_VALUE) + && inst_from == 42 + && inst_to == 42, "Proto instance failed for v3"); + + /* Reset canary. */ + inst_from = inst_to = 42; + + /* Message from protocol v2. */ + const char *test3 = "?OTR:AAIAAAAAAQAAAAI=="; + ret = otrl_proto_instance(test3, &inst_from, &inst_to); + ok(ret == gcry_error(GPG_ERR_INV_VALUE) + && inst_from == 42 + && inst_to == 42, "Proto instance failed for v2"); +} + +static void test_otrl_version(void) +{ + ok(strcmp(otrl_version(), OTRL_VERSION) == 0, "Otrl version OK"); +} + +static void test_otrl_proto_create_data(void) +{ + char *encmessagep = NULL, *msg = "HELO"; + unsigned char flags = 12; + unsigned char *extrakey = NULL; + OtrlTLV *tlvs = NULL; + ConnContext *context = + new_context("Alice", "Alice's account", "Secret protocol"); + + context->msgstate = OTRL_MSGSTATE_PLAINTEXT; + ok(otrl_proto_create_data(&encmessagep, context, msg, tlvs, flags, + extrakey) == gcry_error(GPG_ERR_CONFLICT), + "Conflict detected for msgstate plaintext"); + + context->msgstate = OTRL_MSGSTATE_ENCRYPTED; + context->context_priv->their_keyid = 0; + ok(otrl_proto_create_data(&encmessagep, context, msg, tlvs, flags, + extrakey) == gcry_error(GPG_ERR_CONFLICT), + "Conflict detected for msgstate encrypted"); +} + +int main(int argc, char **argv) +{ + plan_tests(NUM_TESTS); + + gcry_control(GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread); + OTRL_INIT; + + test_otrl_proto_default_query_msg(); + test_otrl_proto_query_bestversion(); + test_otrl_init(); + test_otrl_proto_whitespace_bestversion(); + test_otrl_proto_message_type(); + test_otrl_proto_message_version(); + test_otrl_proto_instance(); + test_otrl_version(); + test_otrl_proto_create_data(); + + return 0; +} |