src/pEpEngine.c
author vb
Sat, 21 Feb 2015 16:55:43 +0100
changeset 62 ad5e484720e1
parent 46 7471e31bb278
child 65 b4b2f063a7c4
permissions -rw-r--r--
signal() and init()
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#include "pEp_internal.h"
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#include "cryptotech.h"
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#include "transport.h"
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int init_count = -1;
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DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
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{
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	int int_result;
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	static const char *sql_log;
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	static const char *sql_safeword;
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	static const char *sql_get_identity;
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	static const char *sql_set_person;
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	static const char *sql_set_pgp_keypair;
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	static const char *sql_set_identity;
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	static const char *sql_set_trust;
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    static const char *sql_get_trust;
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    bool in_first = false;
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    assert(sqlite3_threadsafe());
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    if (!sqlite3_threadsafe())
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        return PEP_INIT_SQLITE3_WITHOUT_MUTEX;
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    // a little race condition - but still a race condition
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    // removed by calling caveat (see documentation)
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    ++init_count;
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    if (init_count == 0) {
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        in_first = true;
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    }
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	assert(session);
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	*session = NULL;
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    pEpSession *_session = (pEpSession *) calloc(1, sizeof(pEpSession));
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	assert(_session);
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	if (_session == NULL)
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		return PEP_OUT_OF_MEMORY;
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	_session->version = PEP_ENGINE_VERSION;
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    assert(LOCAL_DB);
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    if (LOCAL_DB == NULL) {
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        free(_session);
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        return PEP_INIT_CANNOT_OPEN_DB;
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    }
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	int_result = sqlite3_open_v2(
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			LOCAL_DB,
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			&_session->db,
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			SQLITE_OPEN_READWRITE
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				| SQLITE_OPEN_CREATE
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				| SQLITE_OPEN_FULLMUTEX
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				| SQLITE_OPEN_PRIVATECACHE,
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			NULL 
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		);
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	if (int_result != SQLITE_OK) {
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		sqlite3_close_v2(_session->db);
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        free(_session);
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		return PEP_INIT_CANNOT_OPEN_DB;
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	}
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	sqlite3_busy_timeout(_session->db, BUSY_WAIT_TIME);
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    assert(SYSTEM_DB);
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    if (SYSTEM_DB == NULL) {
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		sqlite3_close_v2(_session->db);
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        free(_session);
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		return PEP_INIT_CANNOT_OPEN_SYSTEM_DB;
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    }
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	int_result = sqlite3_open_v2(
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			SYSTEM_DB, &_session->system_db,
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			SQLITE_OPEN_READONLY
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				| SQLITE_OPEN_FULLMUTEX
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				| SQLITE_OPEN_SHAREDCACHE,
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			NULL
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		);
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	if (int_result != SQLITE_OK) {
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		sqlite3_close_v2(_session->system_db);
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		sqlite3_close_v2(_session->db);
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        free(_session);
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		return PEP_INIT_CANNOT_OPEN_SYSTEM_DB;
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	}
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	sqlite3_busy_timeout(_session->system_db, 1000);
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    if (in_first) {
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        int_result = sqlite3_exec(
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            _session->db,
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                "create table if not exists version_info ("
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                "	id integer primary key,"
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                "	timestamp integer default (datetime('now')) ,"
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                "	version text,"
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                "	comment text"
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                ");"
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                "create table if not exists log ("
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                "	timestamp integer default (datetime('now')) ,"
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                "	title text not null,"
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                "	entity text not null,"
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                "	description text,"
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                "	comment text"
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                ");"
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                "create index if not exists log_timestamp on log ("
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                "	timestamp"
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                ");"
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                "create table if not exists pgp_keypair ("
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                "	fpr text primary key,"
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                "	public_id text unique,"
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                "   private_id text,"
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                "	created integer,"
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                "	expires integer,"
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                "	comment text"
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                ");"
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                "create index if not exists pgp_keypair_expires on pgp_keypair ("
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                "	expires"
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                ");"
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                "create table if not exists person ("
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                "	id text primary key,"
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                "	username text not null,"
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                "	main_key_id text"
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                "		references pgp_keypair (fpr)"
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                "		on delete set null,"
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                "   lang text,"
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                "	comment text"
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                ");"
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                "create table if not exists identity ("
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                "	address text primary key,"
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                "	user_id text"
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                "		references person (id)"
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                "		on delete cascade,"
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                "	main_key_id text"
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                "		references pgp_keypair (fpr)"
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                "		on delete set null,"
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                "	comment text"
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                ");"
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                "create table if not exists trust ("
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                "   user_id text not null"
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                "       references person (id)"
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                "		on delete cascade,"
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                "   pgp_keypair_fpr text not null"
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                "       references pgp_keypair (fpr)"
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                "       on delete cascade,"
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                "   comm_type integer not null,"
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                "	comment text"
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                ");"
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                "create unique index if not exists trust_index on trust ("
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                "   user_id,"
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                "   pgp_keypair_fpr"
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                ");",
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            NULL,
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            NULL,
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            NULL
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        );
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        assert(int_result == SQLITE_OK);
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        int_result = sqlite3_exec(
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            _session->db,
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            "insert or replace into version_info (id, version) values (1, '1.0');",
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            NULL,
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            NULL,
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            NULL
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        );
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        assert(int_result == SQLITE_OK);
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        sql_log = "insert into log (title, entity, description, comment)"
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                  "values (?1, ?2, ?3, ?4);";
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        sql_get_identity =	"select fpr, identity.user_id, username, comm_type, lang"
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                            "   from identity"
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                            "   join person on id = identity.user_id"
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                            "   join pgp_keypair on fpr = identity.main_key_id"
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                            "   join trust on id = trust.user_id"
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                            "       and pgp_keypair_fpr = identity.main_key_id"
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                            "   where address = ?1 ;";
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        sql_safeword = "select id, word from wordlist where lang = lower(?1) "
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                       "and id = ?2 ;";
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        sql_set_person = "insert or replace into person (id, username, lang) "
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                         "values (?1, ?2, ?3) ;";
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        sql_set_pgp_keypair = "insert or replace into pgp_keypair (fpr) "
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                              "values (?1) ;";
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        sql_set_identity = "insert or replace into identity (address, main_key_id, "
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                           "user_id) values (?1, ?2, ?3) ;";
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        sql_set_trust = "insert or replace into trust (user_id, pgp_keypair_fpr, comm_type) "
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                        "values (?1, ?2, ?3) ;";
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        sql_get_trust = "select user_id, comm_type from trust where user_id = ?1 "
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                        "and pgp_keypair_fpr = ?2 ;";
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    }
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    int_result = sqlite3_prepare_v2(_session->db, sql_log, strlen(sql_log),
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            &_session->log, NULL);
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	assert(int_result == SQLITE_OK);
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    int_result = sqlite3_prepare_v2(_session->system_db, sql_safeword,
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            strlen(sql_safeword), &_session->safeword, NULL);
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	assert(int_result == SQLITE_OK);
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    int_result = sqlite3_prepare_v2(_session->db, sql_get_identity,
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            strlen(sql_get_identity), &_session->get_identity, NULL);
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	assert(int_result == SQLITE_OK);
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    int_result = sqlite3_prepare_v2(_session->db, sql_set_person,
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            strlen(sql_set_person), &_session->set_person, NULL);
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    assert(int_result == SQLITE_OK);
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    int_result = sqlite3_prepare_v2(_session->db, sql_set_pgp_keypair,
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            strlen(sql_set_pgp_keypair), &_session->set_pgp_keypair, NULL);
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	assert(int_result == SQLITE_OK);
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    int_result = sqlite3_prepare_v2(_session->db, sql_set_identity,
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            strlen(sql_set_identity), &_session->set_identity, NULL);
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	assert(int_result == SQLITE_OK);
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    int_result = sqlite3_prepare_v2(_session->db, sql_set_trust,
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            strlen(sql_set_trust), &_session->set_trust, NULL);
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	assert(int_result == SQLITE_OK);
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    int_result = sqlite3_prepare_v2(_session->db, sql_get_trust,
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            strlen(sql_get_trust), &_session->get_trust, NULL);
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    assert(int_result == SQLITE_OK);
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	sqlite3_reset(_session->log);
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    sqlite3_bind_text(_session->log, 1, "init", -1, SQLITE_STATIC);
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    sqlite3_bind_text(_session->log, 2, "pEp " PEP_ENGINE_VERSION, -1,
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            SQLITE_STATIC);
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	do {
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		int_result = sqlite3_step(_session->log);
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		assert(int_result == SQLITE_DONE || int_result == SQLITE_BUSY);
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	} while (int_result == SQLITE_BUSY);
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    sqlite3_reset(_session->log);
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    init_cryptotech(_session, in_first);
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    init_transport_system(_session, in_first);
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	*session = (void *) _session;
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	return PEP_STATUS_OK;
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}
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DYNAMIC_API void release(PEP_SESSION session)
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{
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    bool out_last = false;
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    assert(init_count >= 0);
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	assert(session);
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    // a small race condition but still a race condition
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    // removed by calling caveat (see documentation)
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    if (init_count == 0)
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        out_last = true;
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    --init_count;
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	if (session) {
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		if (session->db) {
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			sqlite3_finalize(session->safeword);
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			sqlite3_finalize(session->log);
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			sqlite3_finalize(session->get_identity);
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			sqlite3_finalize(session->set_identity);
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            sqlite3_finalize(session->set_person);
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            sqlite3_finalize(session->set_pgp_keypair);
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            sqlite3_finalize(session->set_trust);
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            sqlite3_finalize(session->get_trust);
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			sqlite3_close_v2(session->db);
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			sqlite3_close_v2(session->system_db);
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		}
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    }
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    release_transport_system(session, out_last);
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    release_cryptotech(session, out_last);
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	free(session);
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}
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stringlist_t *new_stringlist(const char *value)
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{
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    stringlist_t *result = (stringlist_t *) calloc(1, sizeof(stringlist_t));
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    if (result && value) {
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        result->value = strdup(value);
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        assert(result->value);
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        if (result->value == 0) {
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            free(result);
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            return NULL;
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        }
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    }
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    return result;
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}
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DYNAMIC_API stringlist_t *stringlist_dup(const stringlist_t *src)
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{
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    assert(src);
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    if (src == NULL)
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        return NULL;
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    stringlist_t *dst = new_stringlist(src->value);
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    if (dst == NULL)
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        return NULL;
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    if (src->next) {
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        dst->next = stringlist_dup(src->next);
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        if (dst->next == NULL) {
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            free(dst);
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            return NULL;
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        }
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    }
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    return dst;
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}
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stringlist_t *stringlist_add(stringlist_t *stringlist, const char *value)
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{
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    assert(value);
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    if (stringlist == NULL)
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        return new_stringlist(value);
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    if (stringlist->next != NULL)
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        return stringlist_add(stringlist->next, value);
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    if (stringlist->value == NULL) {
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        stringlist->value = strdup(value);
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        assert(stringlist->value);
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        if (stringlist->value == NULL)
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            return NULL;
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        return stringlist;
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   333
    }
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    stringlist->next = new_stringlist(value);
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    assert(stringlist->next);
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   337
    if (stringlist->next == NULL)
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        return NULL;
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   339
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   340
    return stringlist->next;
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   341
}
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DYNAMIC_API stringlist_t *stringlist_append(stringlist_t *stringlist,
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        stringlist_t *second)
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{
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    assert(stringlist);
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   347
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    if (second == NULL || second->value == NULL)
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        return stringlist;
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   350
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    stringlist_t *_s = stringlist;
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    stringlist_t *_s2;
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    for (_s2 = second; _s2 != NULL; _s2 = _s2->next) {
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        _s = stringlist_add(_s, _s2->value);
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   355
        if (_s == NULL)
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            return NULL;
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   357
    }
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    return _s;
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   359
}
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int stringlist_length(const stringlist_t *stringlist)
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   362
{
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   363
    int len = 1;
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   364
    stringlist_t *_stringlist;
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   365
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   366
    assert(stringlist);
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   367
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   368
    if (stringlist->value == NULL)
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        return 0;
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   370
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    for (_stringlist=stringlist->next; _stringlist!=NULL; _stringlist=_stringlist->next)
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        len += 1;
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   373
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    return len;
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   375
}
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void free_stringlist(stringlist_t *stringlist)
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   378
{
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   379
    if (stringlist) {
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   380
        free_stringlist(stringlist->next);
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   381
        free(stringlist->value);
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   382
        free(stringlist);
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   383
    }
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   384
}
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DYNAMIC_API PEP_STATUS log_event(
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        PEP_SESSION session, const char *title, const char *entity,
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        const char *description, const char *comment
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    )
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{
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   391
	PEP_STATUS status = PEP_STATUS_OK;
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   392
	int result;
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   393
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   394
	assert(session);
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   395
	assert(title);
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	assert(entity);
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	sqlite3_reset(session->log);
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	sqlite3_bind_text(session->log, 1, title, -1, SQLITE_STATIC);
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	sqlite3_bind_text(session->log, 2, entity, -1, SQLITE_STATIC);
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	if (description)
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        sqlite3_bind_text(session->log, 3, description, -1, SQLITE_STATIC);
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   403
	else
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		sqlite3_bind_null(session->log, 3);
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	if (comment)
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		sqlite3_bind_text(session->log, 4, comment, -1, SQLITE_STATIC);
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   407
	else
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		sqlite3_bind_null(session->log, 4);
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   409
	do {
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   410
		result = sqlite3_step(session->log);
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   411
		assert(result == SQLITE_DONE || result == SQLITE_BUSY);
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   412
		if (result != SQLITE_DONE && result != SQLITE_BUSY)
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			status = PEP_UNKNOWN_ERROR;
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   414
	} while (result == SQLITE_BUSY);
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	sqlite3_reset(session->log);
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   416
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   417
	return status;
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   418
}
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   419
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   420
DYNAMIC_API PEP_STATUS safeword(
vb@0
   421
            PEP_SESSION session, uint16_t value, const char *lang,
vb@0
   422
            char **word, size_t *wsize
vb@0
   423
        )
vb@0
   424
{
vb@0
   425
	PEP_STATUS status = PEP_STATUS_OK;
vb@0
   426
	int result;
vb@0
   427
vb@46
   428
	assert(session);
vb@0
   429
	assert(word);
vb@0
   430
	assert(wsize);
vb@0
   431
vb@0
   432
	*word = NULL;
vb@0
   433
	*wsize = 0;
vb@0
   434
vb@0
   435
	if (lang == NULL)
vb@0
   436
		lang = "en";
vb@0
   437
vb@0
   438
	assert((lang[0] >= 'A' && lang[0] <= 'Z')
vb@0
   439
            || (lang[0] >= 'a' && lang[0] <= 'z'));
vb@0
   440
	assert((lang[1] >= 'A' && lang[1] <= 'Z')
vb@0
   441
            || (lang[1] >= 'a' && lang[1] <= 'z'));
vb@0
   442
	assert(lang[2] == 0);
vb@0
   443
vb@46
   444
	sqlite3_reset(session->safeword);
vb@46
   445
    sqlite3_bind_text(session->safeword, 1, lang, -1, SQLITE_STATIC);
vb@46
   446
	sqlite3_bind_int(session->safeword, 2, value);
vb@0
   447
vb@46
   448
	result = sqlite3_step(session->safeword);
vb@0
   449
	if (result == SQLITE_ROW) {
vb@46
   450
        *word = strdup((const char *) sqlite3_column_text(session->safeword,
vb@0
   451
                    1));
vb@0
   452
		if (*word)
vb@46
   453
            *wsize = sqlite3_column_bytes(session->safeword, 1);
vb@0
   454
		else
vb@0
   455
			status = PEP_SAFEWORD_NOT_FOUND;
vb@0
   456
	} else
vb@0
   457
		status = PEP_SAFEWORD_NOT_FOUND;
vb@0
   458
vb@46
   459
	sqlite3_reset(session->safeword);
vb@0
   460
	return status;
vb@0
   461
}
vb@0
   462
vb@0
   463
DYNAMIC_API PEP_STATUS safewords(
vb@0
   464
        PEP_SESSION session, const char *fingerprint, const char *lang,
vb@0
   465
        char **words, size_t *wsize, int max_words
vb@0
   466
    )
vb@0
   467
{
vb@0
   468
	const char *source = fingerprint;
vb@0
   469
	char *buffer = calloc(1, MAX_SAFEWORDS_SPACE);
vb@0
   470
	char *dest = buffer;
vb@0
   471
	size_t fsize;
vb@0
   472
    PEP_STATUS _status;
vb@0
   473
vb@0
   474
	assert(session);
vb@0
   475
	assert(fingerprint);
vb@0
   476
	assert(words);
vb@0
   477
	assert(wsize);
vb@0
   478
	assert(max_words >= 0);
vb@0
   479
vb@0
   480
	*words = NULL;
vb@0
   481
	*wsize = 0;
vb@0
   482
vb@0
   483
    assert(buffer);
vb@0
   484
    if (buffer == NULL)
vb@0
   485
        return PEP_OUT_OF_MEMORY;
vb@0
   486
vb@0
   487
	fsize = strlen(fingerprint);
vb@0
   488
vb@0
   489
	if (lang == NULL)
vb@0
   490
		lang = "en";
vb@0
   491
vb@0
   492
	assert((lang[0] >= 'A' && lang[0] <= 'Z')
vb@0
   493
            || (lang[0] >= 'a' && lang[0] <= 'z'));
vb@0
   494
	assert((lang[1] >= 'A' && lang[1] <= 'Z')
vb@0
   495
            || (lang[1] >= 'a' && lang[1] <= 'z'));
vb@0
   496
	assert(lang[2] == 0);
vb@0
   497
vb@0
   498
	int n_words = 0;
vb@0
   499
	while (source < fingerprint + fsize) {
vb@0
   500
		uint16_t value;
vb@0
   501
		char *word;
vb@0
   502
		size_t _wsize;
vb@0
   503
		int j;
vb@0
   504
vb@0
   505
        for (value=0, j=0; j < 4 && source < fingerprint + fsize; ) {
vb@0
   506
			if (*source >= 'a' && *source <= 'f')
vb@0
   507
				value += (*source - 'a' + 10) << (3 - j++) * 4;
vb@0
   508
			else if (*source >= 'A' && *source <= 'F')
vb@0
   509
				value += (*source - 'A' + 10) << (3 - j++) * 4;
vb@0
   510
			else if (*source >= '0' && *source <= '9')
vb@0
   511
				value += (*source - '0') << (3 - j++) * 4;
vb@0
   512
			
vb@0
   513
			source++;
vb@0
   514
		}
vb@0
   515
vb@0
   516
		_status = safeword(session, value, lang, &word, &_wsize);
vb@0
   517
        if (_status == PEP_OUT_OF_MEMORY) {
vb@0
   518
            free(buffer);
vb@0
   519
            return PEP_OUT_OF_MEMORY;
vb@0
   520
        }
vb@0
   521
		if (word == NULL) {
vb@0
   522
            free(buffer);
vb@0
   523
			return PEP_SAFEWORD_NOT_FOUND;
vb@0
   524
        }
vb@0
   525
vb@0
   526
		if (dest + _wsize < buffer + MAX_SAFEWORDS_SPACE - 1) {
vb@0
   527
			strncpy(dest, word, _wsize);
vb@0
   528
            free(word);
vb@0
   529
			dest += _wsize;
vb@0
   530
		}
vb@0
   531
		else {
vb@0
   532
            free(word);
vb@0
   533
			break; // buffer full
vb@0
   534
        }
vb@0
   535
vb@0
   536
		if (source < fingerprint + fsize
vb@0
   537
                && dest + _wsize < buffer + MAX_SAFEWORDS_SPACE - 1)
vb@0
   538
			*dest++ = ' ';
vb@0
   539
vb@0
   540
		++n_words;
vb@0
   541
		if (max_words && n_words >= max_words)
vb@0
   542
			break;
vb@0
   543
	}
vb@0
   544
vb@0
   545
	*words = buffer;
vb@0
   546
	*wsize = dest - buffer;
vb@0
   547
	return PEP_STATUS_OK;
vb@0
   548
}
vb@0
   549
vb@0
   550
pEp_identity *new_identity(
vb@0
   551
        const char *address, const char *fpr, const char *user_id,
vb@0
   552
        const char *username
vb@0
   553
    )
vb@0
   554
{
vb@0
   555
    pEp_identity *result = calloc(1, sizeof(pEp_identity));
vb@0
   556
    assert(result);
vb@0
   557
    if (result) {
vb@0
   558
        if (address) {
vb@0
   559
            result->address = strdup(address);
vb@0
   560
            assert(result->address);
vb@0
   561
            if (result->address == NULL) {
vb@0
   562
                free(result);
vb@0
   563
                return NULL;
vb@0
   564
            }
vb@0
   565
            result->address_size = strlen(address);
vb@0
   566
        }
vb@0
   567
        if (fpr) {
vb@0
   568
            result->fpr = strdup(fpr);
vb@0
   569
            assert(result->fpr);
vb@0
   570
            if (result->fpr == NULL) {
vb@0
   571
                free_identity(result);
vb@0
   572
                return NULL;
vb@0
   573
            }
vb@0
   574
            result->fpr_size = strlen(fpr);
vb@0
   575
        }
vb@0
   576
        if (user_id) {
vb@0
   577
            result->user_id = strdup(user_id);
vb@0
   578
            assert(result->user_id);
vb@0
   579
            if (result->user_id == NULL) {
vb@0
   580
                free_identity(result);
vb@0
   581
                return NULL;
vb@0
   582
            }
vb@0
   583
            result->user_id_size = strlen(user_id);
vb@0
   584
        }
vb@0
   585
        if (username) {
vb@0
   586
            result->username = strdup(username);
vb@0
   587
            assert(result->username);
vb@0
   588
            if (result->username == NULL) {
vb@0
   589
                free_identity(result);
vb@0
   590
                return NULL;
vb@0
   591
            }
vb@0
   592
            result->username_size = strlen(username);
vb@0
   593
        }
vb@0
   594
        result->struct_size = sizeof(pEp_identity);
vb@0
   595
    }
vb@0
   596
    return result;
vb@0
   597
}
vb@0
   598
vb@37
   599
pEp_identity *identity_dup(const pEp_identity *src)
vb@37
   600
{
vb@37
   601
    assert(src);
vb@37
   602
vb@37
   603
    pEp_identity *dup = new_identity(src->address, src->fpr, src->user_id, src->username);
vb@37
   604
    assert(dup);
vb@37
   605
    if (dup == NULL)
vb@37
   606
        return NULL;
vb@37
   607
    
vb@37
   608
    dup->comm_type = src->comm_type;
vb@37
   609
    dup->lang[0] = src->lang[0];
vb@37
   610
    dup->lang[1] = src->lang[1];
vb@37
   611
    dup->lang[2] = 0;
vb@37
   612
    dup->me = src->me;
vb@37
   613
vb@37
   614
    return dup;
vb@37
   615
}
vb@37
   616
vb@0
   617
void free_identity(pEp_identity *identity)
vb@0
   618
{
vb@0
   619
    if (identity) {
vb@0
   620
        free(identity->address);
vb@0
   621
        free(identity->fpr);
vb@0
   622
        free(identity->user_id);
vb@0
   623
        free(identity->username);
vb@0
   624
        free(identity);
vb@0
   625
    }
vb@0
   626
}
vb@0
   627
vb@0
   628
DYNAMIC_API PEP_STATUS get_identity(
vb@0
   629
        PEP_SESSION session, const char *address,
vb@0
   630
        pEp_identity **identity
vb@0
   631
    )
vb@0
   632
{
vb@0
   633
	PEP_STATUS status = PEP_STATUS_OK;
vb@0
   634
	static pEp_identity *_identity;
vb@0
   635
	int result;
vb@0
   636
	const char *_lang;
vb@0
   637
vb@0
   638
	assert(session);
vb@0
   639
	assert(address);
vb@8
   640
    assert(address[0]);
vb@0
   641
vb@46
   642
    sqlite3_reset(session->get_identity);
vb@46
   643
    sqlite3_bind_text(session->get_identity, 1, address, -1, SQLITE_STATIC);
vb@0
   644
vb@46
   645
    result = sqlite3_step(session->get_identity);
vb@0
   646
	switch (result) {
vb@0
   647
	case SQLITE_ROW:
vb@0
   648
        _identity = new_identity(
vb@0
   649
                address,
vb@46
   650
                (const char *) sqlite3_column_text(session->get_identity, 0),
vb@46
   651
                (const char *) sqlite3_column_text(session->get_identity, 1),
vb@46
   652
                (const char *) sqlite3_column_text(session->get_identity, 2)
vb@0
   653
                );
vb@0
   654
        assert(_identity);
vb@0
   655
        if (_identity == NULL)
vb@0
   656
            return PEP_OUT_OF_MEMORY;
vb@0
   657
vb@46
   658
        _identity->comm_type = (PEP_comm_type) sqlite3_column_int(session->get_identity, 3);
vb@46
   659
        _lang = (const char *) sqlite3_column_text(session->get_identity, 4);
vb@0
   660
        if (_lang && _lang[0]) {
vb@0
   661
			assert(_lang[0] >= 'a' && _lang[0] <= 'z');
vb@0
   662
			assert(_lang[1] >= 'a' && _lang[1] <= 'z');
vb@0
   663
			assert(_lang[2] == 0);
vb@0
   664
			_identity->lang[0] = _lang[0];
vb@0
   665
			_identity->lang[1] = _lang[1];
vb@0
   666
            _identity->lang[2] = 0;
vb@0
   667
		}
vb@0
   668
		*identity = _identity;
vb@0
   669
		break;
vb@0
   670
	default:
vb@0
   671
        status = PEP_CANNOT_FIND_IDENTITY;
vb@0
   672
		*identity = NULL;
vb@0
   673
	}
vb@0
   674
vb@46
   675
    sqlite3_reset(session->get_identity);
vb@0
   676
	return status;
vb@0
   677
}
vb@0
   678
vb@0
   679
DYNAMIC_API PEP_STATUS set_identity(
vb@0
   680
        PEP_SESSION session, const pEp_identity *identity
vb@0
   681
    )
vb@0
   682
{
vb@0
   683
	int result;
vb@0
   684
vb@0
   685
	assert(session);
vb@0
   686
	assert(identity);
vb@0
   687
	assert(identity->address);
vb@0
   688
	assert(identity->fpr);
vb@0
   689
	assert(identity->user_id);
vb@0
   690
	assert(identity->username);
vb@0
   691
vb@46
   692
	sqlite3_exec(session->db, "BEGIN ;", NULL, NULL, NULL);
vb@0
   693
vb@46
   694
	sqlite3_reset(session->set_person);
vb@46
   695
    sqlite3_bind_text(session->set_person, 1, identity->user_id, -1,
vb@0
   696
            SQLITE_STATIC);
vb@46
   697
    sqlite3_bind_text(session->set_person, 2, identity->username, -1,
vb@0
   698
            SQLITE_STATIC);
vb@0
   699
	if (identity->lang[0])
vb@46
   700
        sqlite3_bind_text(session->set_person, 3, identity->lang, 1,
vb@0
   701
                SQLITE_STATIC);
vb@0
   702
	else
vb@46
   703
		sqlite3_bind_null(session->set_person, 3);
vb@46
   704
	result = sqlite3_step(session->set_person);
vb@46
   705
	sqlite3_reset(session->set_person);
vb@0
   706
	if (result != SQLITE_DONE) {
vb@46
   707
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   708
		return PEP_CANNOT_SET_PERSON;
vb@0
   709
	}
vb@0
   710
vb@46
   711
	sqlite3_reset(session->set_pgp_keypair);
vb@46
   712
    sqlite3_bind_text(session->set_pgp_keypair, 1, identity->fpr, -1,
vb@0
   713
            SQLITE_STATIC);
vb@46
   714
	result = sqlite3_step(session->set_pgp_keypair);
vb@46
   715
	sqlite3_reset(session->set_pgp_keypair);
vb@0
   716
	if (result != SQLITE_DONE) {
vb@46
   717
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   718
		return PEP_CANNOT_SET_PGP_KEYPAIR;
vb@0
   719
	}
vb@0
   720
vb@46
   721
	sqlite3_reset(session->set_identity);
vb@46
   722
    sqlite3_bind_text(session->set_identity, 1, identity->address, -1,
vb@0
   723
            SQLITE_STATIC);
vb@46
   724
    sqlite3_bind_text(session->set_identity, 2, identity->fpr, -1,
vb@0
   725
            SQLITE_STATIC);
vb@46
   726
    sqlite3_bind_text(session->set_identity, 3, identity->user_id, -1,
vb@0
   727
            SQLITE_STATIC);
vb@46
   728
	result = sqlite3_step(session->set_identity);
vb@46
   729
	sqlite3_reset(session->set_identity);
vb@0
   730
	if (result != SQLITE_DONE) {
vb@46
   731
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   732
		return PEP_CANNOT_SET_IDENTITY;
vb@0
   733
	}
vb@0
   734
vb@46
   735
	sqlite3_reset(session->set_trust);
vb@46
   736
    sqlite3_bind_text(session->set_trust, 1, identity->user_id, -1,
vb@0
   737
            SQLITE_STATIC);
vb@46
   738
    sqlite3_bind_text(session->set_trust, 2, identity->fpr, -1,
vb@0
   739
            SQLITE_STATIC);
vb@46
   740
	sqlite3_bind_int(session->set_trust, 3, identity->comm_type);
vb@46
   741
	result = sqlite3_step(session->set_trust);
vb@46
   742
	sqlite3_reset(session->set_trust);
vb@0
   743
	if (result != SQLITE_DONE) {
vb@46
   744
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   745
		return PEP_CANNOT_SET_IDENTITY;
vb@0
   746
	}
vb@0
   747
vb@46
   748
    result = sqlite3_exec(session->db, "COMMIT ;", NULL, NULL, NULL);
vb@0
   749
	if (result == SQLITE_OK)
vb@0
   750
		return PEP_STATUS_OK;
vb@0
   751
	else
vb@0
   752
		return PEP_COMMIT_FAILED;
vb@0
   753
}
vb@0
   754
vb@0
   755
void pEp_free(void *p)
vb@0
   756
{
vb@0
   757
    free(p);
vb@0
   758
}
vb@0
   759
vb@8
   760
DYNAMIC_API PEP_STATUS get_trust(PEP_SESSION session, pEp_identity *identity)
vb@8
   761
{
vb@8
   762
    PEP_STATUS status = PEP_STATUS_OK;
vb@8
   763
    int result;
vb@8
   764
vb@8
   765
    assert(session);
vb@8
   766
    assert(identity);
vb@8
   767
    assert(identity->user_id);
vb@8
   768
    assert(identity->user_id[0]);
vb@8
   769
    assert(identity->fpr);
vb@8
   770
    assert(identity->fpr[0]);
vb@8
   771
vb@8
   772
    identity->comm_type = PEP_ct_unknown;
vb@8
   773
vb@46
   774
    sqlite3_reset(session->get_trust);
vb@46
   775
    sqlite3_bind_text(session->get_trust, 1, identity->user_id, -1, SQLITE_STATIC);
vb@46
   776
    sqlite3_bind_text(session->get_trust, 2, identity->fpr, -1, SQLITE_STATIC);
vb@8
   777
vb@46
   778
    result = sqlite3_step(session->get_trust);
vb@8
   779
    switch (result) {
vb@8
   780
    case SQLITE_ROW: {
vb@46
   781
        const char * user_id = (const char *) sqlite3_column_text(session->get_trust, 1);
vb@46
   782
        int comm_type = (PEP_comm_type) sqlite3_column_int(session->get_trust, 2);
vb@8
   783
vb@8
   784
        if (strcmp(user_id, identity->user_id) != 0) {
vb@8
   785
            free(identity->user_id);
vb@8
   786
            identity->user_id = strdup(user_id);
vb@8
   787
            assert(identity->user_id);
vb@8
   788
            if (identity->user_id == NULL)
vb@8
   789
                return PEP_OUT_OF_MEMORY;
vb@8
   790
        }
vb@8
   791
        identity->comm_type = comm_type;
vb@8
   792
        break;
vb@8
   793
    }
vb@8
   794
 
vb@8
   795
    default:
vb@8
   796
        status = PEP_CANNOT_FIND_IDENTITY;
vb@8
   797
    }
vb@8
   798
vb@46
   799
    sqlite3_reset(session->get_trust);
vb@8
   800
    return status;
vb@9
   801
}
vb@9
   802
vb@24
   803
DYNAMIC_API PEP_STATUS decrypt_and_verify(
vb@24
   804
    PEP_SESSION session, const char *ctext, size_t csize,
vb@24
   805
    char **ptext, size_t *psize, stringlist_t **keylist
vb@24
   806
    )
vb@24
   807
{
vb@46
   808
    return session->cryptotech[PEP_crypt_OpenPGP].decrypt_and_verify(session, ctext, csize, ptext, psize, keylist);
vb@24
   809
}
vb@24
   810
vb@24
   811
DYNAMIC_API PEP_STATUS encrypt_and_sign(
vb@24
   812
    PEP_SESSION session, const stringlist_t *keylist, const char *ptext,
vb@24
   813
    size_t psize, char **ctext, size_t *csize
vb@24
   814
    )
vb@24
   815
{
vb@46
   816
    return session->cryptotech[PEP_crypt_OpenPGP].encrypt_and_sign(session, keylist, ptext, psize, ctext, csize);
vb@24
   817
}
vb@24
   818
vb@24
   819
DYNAMIC_API PEP_STATUS verify_text(
vb@24
   820
    PEP_SESSION session, const char *text, size_t size,
vb@24
   821
    const char *signature, size_t sig_size, stringlist_t **keylist
vb@24
   822
    )
vb@24
   823
{
vb@46
   824
    return session->cryptotech[PEP_crypt_OpenPGP].verify_text(session, text, size, signature, sig_size, keylist);
vb@24
   825
}
vb@24
   826
vb@24
   827
DYNAMIC_API PEP_STATUS delete_keypair(PEP_SESSION session, const char *fpr)
vb@24
   828
{
vb@46
   829
    return session->cryptotech[PEP_crypt_OpenPGP].delete_keypair(session, fpr);
vb@24
   830
}
vb@24
   831
vb@24
   832
DYNAMIC_API PEP_STATUS export_key(
vb@46
   833
        PEP_SESSION session, const char *fpr, char **key_data, size_t *size
vb@24
   834
    )
vb@24
   835
{
vb@46
   836
    return session->cryptotech[PEP_crypt_OpenPGP].export_key(session, fpr, key_data, size);
vb@24
   837
}
vb@24
   838
vb@24
   839
DYNAMIC_API PEP_STATUS find_keys(
vb@46
   840
        PEP_SESSION session, const char *pattern, stringlist_t **keylist
vb@24
   841
    )
vb@24
   842
{
vb@46
   843
    return session->cryptotech[PEP_crypt_OpenPGP].find_keys(session, pattern, keylist);
vb@24
   844
}
vb@24
   845
vb@24
   846
DYNAMIC_API PEP_STATUS generate_keypair(
vb@46
   847
        PEP_SESSION session, pEp_identity *identity
vb@24
   848
    )
vb@24
   849
{
vb@46
   850
    return session->cryptotech[PEP_crypt_OpenPGP].generate_keypair(session, identity);
vb@24
   851
}
vb@24
   852
vb@9
   853
DYNAMIC_API PEP_STATUS get_key_rating(
vb@46
   854
        PEP_SESSION session,
vb@46
   855
        const char *fpr,
vb@46
   856
        PEP_comm_type *comm_type
vb@9
   857
    )
vb@9
   858
{
vb@46
   859
    return session->cryptotech[PEP_crypt_OpenPGP].get_key_rating(session, fpr, comm_type);
vb@24
   860
}
vb@9
   861
vb@24
   862
DYNAMIC_API PEP_STATUS import_key(PEP_SESSION session, const char *key_data, size_t size)
vb@24
   863
{
vb@46
   864
    return session->cryptotech[PEP_crypt_OpenPGP].import_key(session, key_data, size);
vb@24
   865
}
vb@9
   866
vb@24
   867
DYNAMIC_API PEP_STATUS recv_key(PEP_SESSION session, const char *pattern)
vb@24
   868
{
vb@46
   869
    return session->cryptotech[PEP_crypt_OpenPGP].recv_key(session, pattern);
vb@24
   870
}
vb@9
   871
vb@24
   872
DYNAMIC_API PEP_STATUS send_key(PEP_SESSION session, const char *pattern)
vb@24
   873
{
vb@46
   874
    return session->cryptotech[PEP_crypt_OpenPGP].send_key(session, pattern);
vb@14
   875
}