#include "pEp_internal.h"

#include "cryptotech.h"

#include "transport.h"

DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)

{

	int int_result;

	const char *sql_log;

	const char *sql_safeword;

	const char *sql_get_identity;

	const char *sql_set_person;

	const char *sql_set_pgp_keypair;

	const char *sql_set_identity;

	const char *sql_set_trust;

    const char *sql_get_trust;

	assert(sqlite3_threadsafe());

	if (!sqlite3_threadsafe())

		return PEP_INIT_SQLITE3_WITHOUT_MUTEX;

	assert(session);

	*session = NULL;

    pEpSession *_session = (pEpSession *) calloc(1, sizeof(pEpSession));

	assert(_session);

	if (_session == NULL)

		return PEP_OUT_OF_MEMORY;

	_session->version = PEP_ENGINE_VERSION;

    init_cryptotech(_session);

    init_transport_system(_session->transports);

    assert(LOCAL_DB);

    if (LOCAL_DB == NULL) {

        release_transport_system(_session);

        release_cryptotech(_session);

        free(_session);

        return PEP_INIT_CANNOT_OPEN_DB;

    }

	int_result = sqlite3_open_v2(

			LOCAL_DB,

			&_session->db,

			SQLITE_OPEN_READWRITE

				| SQLITE_OPEN_CREATE

				| SQLITE_OPEN_FULLMUTEX

				| SQLITE_OPEN_PRIVATECACHE,

			NULL 

		);

	if (int_result != SQLITE_OK) {

		sqlite3_close_v2(_session->db);

        release_transport_system(_session);

        release_cryptotech(_session);

        free(_session);

		return PEP_INIT_CANNOT_OPEN_DB;

	}

	sqlite3_busy_timeout(_session->db, BUSY_WAIT_TIME);

    assert(SYSTEM_DB);

    if (SYSTEM_DB == NULL) {

		sqlite3_close_v2(_session->db);

        release_transport_system(_session);

        release_cryptotech(_session);

        free(_session);

		return PEP_INIT_CANNOT_OPEN_SYSTEM_DB;

    }

	int_result = sqlite3_open_v2(

			SYSTEM_DB, &_session->system_db,

			SQLITE_OPEN_READONLY

				| SQLITE_OPEN_FULLMUTEX

				| SQLITE_OPEN_SHAREDCACHE,

			NULL

		);

	if (int_result != SQLITE_OK) {

		sqlite3_close_v2(_session->system_db);

		sqlite3_close_v2(_session->db);

        release_transport_system(_session);

        release_cryptotech(_session);

        free(_session);

		return PEP_INIT_CANNOT_OPEN_SYSTEM_DB;

	}

	sqlite3_busy_timeout(_session->system_db, 1000);

	int_result = sqlite3_exec(

		_session->db,

			"create table if not exists version_info ("

			"	id integer primary key,"

			"	timestamp integer default (datetime('now')) ,"

			"	version text,"

			"	comment text"

			");"

			"create table if not exists log ("

			"	timestamp integer default (datetime('now')) ,"

			"	title text not null,"

			"	entity text not null,"

			"	description text,"

			"	comment text"

			");"

			"create index if not exists log_timestamp on log ("

			"	timestamp"

			");"

			"create table if not exists pgp_keypair ("

			"	fpr text primary key,"

			"	public_id text unique,"

			"   private_id text,"

			"	created integer,"

			"	expires integer,"

			"	comment text"

			");"

            "create index if not exists pgp_keypair_expires on pgp_keypair ("

			"	expires"

			");"

			"create table if not exists person ("

			"	id text primary key,"

			"	username text not null,"

			"	main_key_id text"

			"		references pgp_keypair (fpr)"

			"		on delete set null,"

			"   lang text,"

			"	comment text"

			");"

			"create table if not exists identity ("

			"	address text primary key,"

			"	user_id text"

			"		references person (id)"

			"		on delete cascade,"

			"	main_key_id text"

			"		references pgp_keypair (fpr)"

			"		on delete set null,"

			"	comment text"

			");"

            "create table if not exists trust ("

            "   user_id text not null"

            "       references person (id)"

			"		on delete cascade,"

            "   pgp_keypair_fpr text not null"

            "       references pgp_keypair (fpr)"

            "       on delete cascade,"

            "   comm_type integer not null,"

			"	comment text"

            ");"

            "create unique index if not exists trust_index on trust ("

            "   user_id,"

            "   pgp_keypair_fpr"

            ");",

		NULL,

		NULL,

		NULL

	);

	assert(int_result == SQLITE_OK);

	int_result = sqlite3_exec(

		_session->db,

        "insert or replace into version_info (id, version) values (1, '1.0');",

		NULL,

		NULL,

		NULL

	);

	assert(int_result == SQLITE_OK);

	sql_log = "insert into log (title, entity, description, comment)"

			  "values (?1, ?2, ?3, ?4);";

    int_result = sqlite3_prepare_v2(_session->db, sql_log, strlen(sql_log),

            &_session->log, NULL);

	assert(int_result == SQLITE_OK);

	sql_safeword = "select id, word from wordlist where lang = lower(?1)"

                   "and id = ?2 ;";

    int_result = sqlite3_prepare_v2(_session->system_db, sql_safeword,

            strlen(sql_safeword), &_session->safeword, NULL);

	assert(int_result == SQLITE_OK);

	sql_get_identity =	"select fpr, identity.user_id, username, comm_type, lang"

                        "   from identity"

						"   join person on id = identity.user_id"

						"   join pgp_keypair on fpr = identity.main_key_id"

                        "   join trust on id = trust.user_id"

                        "       and pgp_keypair_fpr = identity.main_key_id"

						"   where address = ?1 ;";

    int_result = sqlite3_prepare_v2(_session->db, sql_get_identity,

            strlen(sql_get_identity), &_session->get_identity, NULL);

	assert(int_result == SQLITE_OK);

	sql_set_person = "insert or replace into person (id, username, lang)"

                     "values (?1, ?2, ?3) ;";

	sql_set_pgp_keypair = "insert or replace into pgp_keypair (fpr)"

                          "values (?1) ;";

    sql_set_identity = "insert or replace into identity (address, main_key_id,"

                       "user_id) values (?1, ?2, ?3) ;";

    sql_set_trust = "insert or replace into trust (user_id, pgp_keypair_fpr, comm_type)"

                        "values (?1, ?2, ?3) ;";

    sql_get_trust = "select user_id, comm_type from trust where user_id = ?1 and pgp_keypair_fpr = ?2 ;";

    int_result = sqlite3_prepare_v2(_session->db, sql_set_person,

            strlen(sql_set_person), &_session->set_person, NULL);

    assert(int_result == SQLITE_OK);

    int_result = sqlite3_prepare_v2(_session->db, sql_set_pgp_keypair,

            strlen(sql_set_pgp_keypair), &_session->set_pgp_keypair, NULL);

	assert(int_result == SQLITE_OK);

    int_result = sqlite3_prepare_v2(_session->db, sql_set_identity,

            strlen(sql_set_identity), &_session->set_identity, NULL);

	assert(int_result == SQLITE_OK);

    int_result = sqlite3_prepare_v2(_session->db, sql_set_trust,

            strlen(sql_set_trust), &_session->set_trust, NULL);

	assert(int_result == SQLITE_OK);

    int_result = sqlite3_prepare_v2(_session->db, sql_get_trust,

            strlen(sql_get_trust), &_session->get_trust, NULL);

    assert(int_result == SQLITE_OK);

	sqlite3_reset(_session->log);

    sqlite3_bind_text(_session->log, 1, "init", -1, SQLITE_STATIC);

    sqlite3_bind_text(_session->log, 2, "pEp " PEP_ENGINE_VERSION, -1,

            SQLITE_STATIC);

	do {

		int_result = sqlite3_step(_session->log);

		assert(int_result == SQLITE_DONE || int_result == SQLITE_BUSY);

	} while (int_result == SQLITE_BUSY);

    sqlite3_reset(_session->log);

	*session = (void *) _session;

	return PEP_STATUS_OK;

}

DYNAMIC_API void release(PEP_SESSION session)

{

	assert(session);

	pEpSession *_session = (pEpSession *) session;

	if (_session) {

		if (_session->db) {

			sqlite3_finalize(_session->safeword);

			sqlite3_finalize(_session->log);

			sqlite3_finalize(_session->get_identity);

			sqlite3_finalize(_session->set_identity);

            sqlite3_finalize(_session->set_person);

            sqlite3_finalize(_session->set_pgp_keypair);

            sqlite3_finalize(_session->set_trust);

            sqlite3_finalize(_session->get_trust);

			sqlite3_close_v2(_session->db);

			sqlite3_close_v2(_session->system_db);

		}

        release_transport_system(_session);

        release_cryptotech(_session);

    }

	free(_session);

}

stringlist_t *new_stringlist(const char *value)

{

    stringlist_t *result = (stringlist_t *) calloc(1, sizeof(stringlist_t));

    if (result && value) {

        result->value = strdup(value);

        assert(result->value);

        if (result->value == 0) {

            free(result);

            return NULL;

        }

    }

    return result;

}

stringlist_t *stringlist_add(stringlist_t *stringlist, const char *value)

{

    assert(value);

    if (stringlist == NULL)

        return new_stringlist(value);

    if (stringlist->next != NULL)

        return stringlist_add(stringlist->next, value);

    if (stringlist->value == NULL) {

        stringlist->value = strdup(value);

        assert(stringlist->value);

        if (stringlist->value == NULL)

            return NULL;

        return stringlist;

    }

    stringlist->next = new_stringlist(value);

    assert(stringlist->next);

    if (stringlist->next == NULL)

        return NULL;

    return stringlist->next;

}

int stringlist_length(const stringlist_t *stringlist)

{

    int len = 1;

    stringlist_t *_stringlist;

    assert(stringlist);

    if (stringlist->value == NULL)

        return 0;

    for (_stringlist=stringlist->next; _stringlist!=NULL; _stringlist=_stringlist->next)

        len += 1;

    return len;

}

void free_stringlist(stringlist_t *stringlist)

{

    if (stringlist) {

        free_stringlist(stringlist->next);

        free(stringlist->value);

        free(stringlist);

    }

}

DYNAMIC_API PEP_STATUS log_event(

        PEP_SESSION session, const char *title, const char *entity,

        const char *description, const char *comment

    )

{

	pEpSession *_session = (pEpSession *) session;

	PEP_STATUS status = PEP_STATUS_OK;

	int result;

	assert(_session);

	assert(title);

	assert(entity);

	sqlite3_reset(_session->log);

	sqlite3_bind_text(_session->log, 1, title, -1, SQLITE_STATIC);

	sqlite3_bind_text(_session->log, 2, entity, -1, SQLITE_STATIC);

	if (description)

        sqlite3_bind_text(_session->log, 3, description, -1, SQLITE_STATIC);

	else

		sqlite3_bind_null(_session->log, 3);

	if (comment)

		sqlite3_bind_text(_session->log, 4, comment, -1, SQLITE_STATIC);

	else

		sqlite3_bind_null(_session->log, 4);

	do {

		result = sqlite3_step(_session->log);

		assert(result == SQLITE_DONE || result == SQLITE_BUSY);

		if (result != SQLITE_DONE && result != SQLITE_BUSY)

			status = PEP_UNKNOWN_ERROR;

	} while (result == SQLITE_BUSY);

	sqlite3_reset(_session->log);

	return status;

}

DYNAMIC_API PEP_STATUS safeword(

            PEP_SESSION session, uint16_t value, const char *lang,

            char **word, size_t *wsize

        )

{

	pEpSession *_session = (pEpSession *) session;

	PEP_STATUS status = PEP_STATUS_OK;

	int result;

	assert(_session);

	assert(word);

	assert(wsize);

	*word = NULL;

	*wsize = 0;

	if (lang == NULL)

		lang = "en";

	assert((lang[0] >= 'A' && lang[0] <= 'Z')

            || (lang[0] >= 'a' && lang[0] <= 'z'));

	assert((lang[1] >= 'A' && lang[1] <= 'Z')

            || (lang[1] >= 'a' && lang[1] <= 'z'));

	assert(lang[2] == 0);

	sqlite3_reset(_session->safeword);

    sqlite3_bind_text(_session->safeword, 1, lang, -1, SQLITE_STATIC);

	sqlite3_bind_int(_session->safeword, 2, value);

	result = sqlite3_step(_session->safeword);

	if (result == SQLITE_ROW) {

        *word = strdup((const char *) sqlite3_column_text(_session->safeword,

                    1));

		if (*word)

            *wsize = sqlite3_column_bytes(_session->safeword, 1);

		else

			status = PEP_SAFEWORD_NOT_FOUND;

	} else

		status = PEP_SAFEWORD_NOT_FOUND;

	sqlite3_reset(_session->safeword);

	return status;

}

DYNAMIC_API PEP_STATUS safewords(

        PEP_SESSION session, const char *fingerprint, const char *lang,

        char **words, size_t *wsize, int max_words

    )

{

	const char *source = fingerprint;

	char *buffer = calloc(1, MAX_SAFEWORDS_SPACE);

	char *dest = buffer;

	size_t fsize;

    PEP_STATUS _status;

	assert(session);

	assert(fingerprint);

	assert(words);

	assert(wsize);

	assert(max_words >= 0);

	*words = NULL;

	*wsize = 0;

    assert(buffer);

    if (buffer == NULL)

        return PEP_OUT_OF_MEMORY;

	fsize = strlen(fingerprint);

	if (lang == NULL)

		lang = "en";

	assert((lang[0] >= 'A' && lang[0] <= 'Z')

            || (lang[0] >= 'a' && lang[0] <= 'z'));

	assert((lang[1] >= 'A' && lang[1] <= 'Z')

            || (lang[1] >= 'a' && lang[1] <= 'z'));

	assert(lang[2] == 0);

	int n_words = 0;

	while (source < fingerprint + fsize) {

		uint16_t value;

		char *word;

		size_t _wsize;

		int j;

        for (value=0, j=0; j < 4 && source < fingerprint + fsize; ) {

			if (*source >= 'a' && *source <= 'f')

				value += (*source - 'a' + 10) << (3 - j++) * 4;

			else if (*source >= 'A' && *source <= 'F')

				value += (*source - 'A' + 10) << (3 - j++) * 4;

			else if (*source >= '0' && *source <= '9')

				value += (*source - '0') << (3 - j++) * 4;

			source++;

		}

		_status = safeword(session, value, lang, &word, &_wsize);

        if (_status == PEP_OUT_OF_MEMORY) {

            free(buffer);

            return PEP_OUT_OF_MEMORY;

        }

		if (word == NULL) {

            free(buffer);

			return PEP_SAFEWORD_NOT_FOUND;

        }

		if (dest + _wsize < buffer + MAX_SAFEWORDS_SPACE - 1) {

			strncpy(dest, word, _wsize);

            free(word);

			dest += _wsize;

		}

		else {

            free(word);

			break; // buffer full

        }

		if (source < fingerprint + fsize

                && dest + _wsize < buffer + MAX_SAFEWORDS_SPACE - 1)

			*dest++ = ' ';

		++n_words;

		if (max_words && n_words >= max_words)

			break;

	}

	*words = buffer;

	*wsize = dest - buffer;

	return PEP_STATUS_OK;

}

pEp_identity *new_identity(

        const char *address, const char *fpr, const char *user_id,

        const char *username

    )

{

    pEp_identity *result = calloc(1, sizeof(pEp_identity));

    assert(result);

    if (result) {

        if (address) {

            result->address = strdup(address);

            assert(result->address);

            if (result->address == NULL) {

                free(result);

                return NULL;

            }

            result->address_size = strlen(address);

        }

        if (fpr) {

            result->fpr = strdup(fpr);

            assert(result->fpr);

            if (result->fpr == NULL) {

                free_identity(result);

                return NULL;

            }

            result->fpr_size = strlen(fpr);

        }

        if (user_id) {

            result->user_id = strdup(user_id);

            assert(result->user_id);

            if (result->user_id == NULL) {

                free_identity(result);

                return NULL;

            }

            result->user_id_size = strlen(user_id);

        }

        if (username) {

            result->username = strdup(username);

            assert(result->username);

            if (result->username == NULL) {

                free_identity(result);

                return NULL;

            }

            result->username_size = strlen(username);

        }

        result->struct_size = sizeof(pEp_identity);

    }

    return result;

}

void free_identity(pEp_identity *identity)

{

    if (identity) {

        free(identity->address);

        free(identity->fpr);

        free(identity->user_id);

        free(identity->username);

        free(identity);

    }

}

DYNAMIC_API PEP_STATUS get_identity(

        PEP_SESSION session, const char *address,

        pEp_identity **identity

    )

{

	pEpSession *_session = (pEpSession *) session;

	PEP_STATUS status = PEP_STATUS_OK;

	static pEp_identity *_identity;

	int result;

	const char *_lang;

	assert(session);

	assert(address);

    assert(address[0]);

    sqlite3_reset(_session->get_identity);

    sqlite3_bind_text(_session->get_identity, 1, address, -1, SQLITE_STATIC);

    result = sqlite3_step(_session->get_identity);

	switch (result) {

	case SQLITE_ROW:

        _identity = new_identity(

                address,

                (const char *) sqlite3_column_text(_session->get_identity, 0),

                (const char *) sqlite3_column_text(_session->get_identity, 1),

                (const char *) sqlite3_column_text(_session->get_identity, 2)

                );

        assert(_identity);

        if (_identity == NULL)

            return PEP_OUT_OF_MEMORY;

        _identity->comm_type = (PEP_comm_type) sqlite3_column_int(_session->get_identity, 3);

        _lang = (const char *) sqlite3_column_text(_session->get_identity, 4);

        if (_lang && _lang[0]) {

			assert(_lang[0] >= 'a' && _lang[0] <= 'z');

			assert(_lang[1] >= 'a' && _lang[1] <= 'z');

			assert(_lang[2] == 0);

			_identity->lang[0] = _lang[0];

			_identity->lang[1] = _lang[1];

            _identity->lang[2] = 0;

		}

		*identity = _identity;

		break;

	default:

        status = PEP_CANNOT_FIND_IDENTITY;

		*identity = NULL;

	}

    sqlite3_reset(_session->get_identity);

	return status;

}

DYNAMIC_API PEP_STATUS set_identity(

        PEP_SESSION session, const pEp_identity *identity

    )

{

	pEpSession *_session = (pEpSession *) session;

	int result;

	assert(session);

	assert(identity);

	assert(identity->address);

	assert(identity->fpr);

	assert(identity->user_id);

	assert(identity->username);

	sqlite3_exec(_session->db, "BEGIN ;", NULL, NULL, NULL);

	sqlite3_reset(_session->set_person);

    sqlite3_bind_text(_session->set_person, 1, identity->user_id, -1,

            SQLITE_STATIC);

    sqlite3_bind_text(_session->set_person, 2, identity->username, -1,

            SQLITE_STATIC);

	if (identity->lang[0])

        sqlite3_bind_text(_session->set_person, 3, identity->lang, 1,

                SQLITE_STATIC);

	else

		sqlite3_bind_null(_session->set_person, 3);

	result = sqlite3_step(_session->set_person);

	sqlite3_reset(_session->set_person);

	if (result != SQLITE_DONE) {

		sqlite3_exec(_session->db, "ROLLBACK ;", NULL, NULL, NULL);

		return PEP_CANNOT_SET_PERSON;

	}

	sqlite3_reset(_session->set_pgp_keypair);

    sqlite3_bind_text(_session->set_pgp_keypair, 1, identity->fpr, -1,

            SQLITE_STATIC);

	result = sqlite3_step(_session->set_pgp_keypair);

	sqlite3_reset(_session->set_pgp_keypair);

	if (result != SQLITE_DONE) {

		sqlite3_exec(_session->db, "ROLLBACK ;", NULL, NULL, NULL);

		return PEP_CANNOT_SET_PGP_KEYPAIR;

	}

	sqlite3_reset(_session->set_identity);

    sqlite3_bind_text(_session->set_identity, 1, identity->address, -1,

            SQLITE_STATIC);

    sqlite3_bind_text(_session->set_identity, 2, identity->fpr, -1,

            SQLITE_STATIC);

    sqlite3_bind_text(_session->set_identity, 3, identity->user_id, -1,

            SQLITE_STATIC);

	result = sqlite3_step(_session->set_identity);

	sqlite3_reset(_session->set_identity);

	if (result != SQLITE_DONE) {

		sqlite3_exec(_session->db, "ROLLBACK ;", NULL, NULL, NULL);

		return PEP_CANNOT_SET_IDENTITY;

	}

	sqlite3_reset(_session->set_trust);

    sqlite3_bind_text(_session->set_trust, 1, identity->user_id, -1,

            SQLITE_STATIC);

    sqlite3_bind_text(_session->set_trust, 2, identity->fpr, -1,

            SQLITE_STATIC);

	sqlite3_bind_int(_session->set_trust, 3, identity->comm_type);

	result = sqlite3_step(_session->set_trust);

	sqlite3_reset(_session->set_trust);

	if (result != SQLITE_DONE) {

		sqlite3_exec(_session->db, "ROLLBACK ;", NULL, NULL, NULL);

		return PEP_CANNOT_SET_IDENTITY;

	}

    result = sqlite3_exec(_session->db, "COMMIT ;", NULL, NULL, NULL);

	if (result == SQLITE_OK)

		return PEP_STATUS_OK;

	else

		return PEP_COMMIT_FAILED;

}

void pEp_free(void *p)

{

    free(p);

}

DYNAMIC_API PEP_STATUS get_trust(PEP_SESSION session, pEp_identity *identity)

{

    pEpSession *_session = (pEpSession *) session;

    PEP_STATUS status = PEP_STATUS_OK;

    int result;

    assert(session);

    assert(identity);

    assert(identity->user_id);

    assert(identity->user_id[0]);

    assert(identity->fpr);

    assert(identity->fpr[0]);

    identity->comm_type = PEP_ct_unknown;

    sqlite3_reset(_session->get_trust);

    sqlite3_bind_text(_session->get_trust, 1, identity->user_id, -1, SQLITE_STATIC);

    sqlite3_bind_text(_session->get_trust, 2, identity->fpr, -1, SQLITE_STATIC);

    result = sqlite3_step(_session->get_trust);

    switch (result) {

    case SQLITE_ROW: {

        const char * user_id = (const char *) sqlite3_column_text(_session->get_trust, 1);

        int comm_type = (PEP_comm_type) sqlite3_column_int(_session->get_trust, 2);

        if (strcmp(user_id, identity->user_id) != 0) {

            free(identity->user_id);

            identity->user_id = strdup(user_id);

            assert(identity->user_id);

            if (identity->user_id == NULL)

                return PEP_OUT_OF_MEMORY;

        }

        identity->comm_type = comm_type;

        break;

    }

    default:

        status = PEP_CANNOT_FIND_IDENTITY;

    }

    sqlite3_reset(_session->get_trust);

    return status;

}

DYNAMIC_API PEP_STATUS decrypt_and_verify(

    PEP_SESSION session, const char *ctext, size_t csize,

    char **ptext, size_t *psize, stringlist_t **keylist

    )

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].decrypt_and_verify(session, ctext, csize, ptext, psize, keylist);

}

DYNAMIC_API PEP_STATUS encrypt_and_sign(

    PEP_SESSION session, const stringlist_t *keylist, const char *ptext,

    size_t psize, char **ctext, size_t *csize

    )

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].encrypt_and_sign(session, keylist, ptext, psize, ctext, csize);

}

DYNAMIC_API PEP_STATUS verify_text(

    PEP_SESSION session, const char *text, size_t size,

    const char *signature, size_t sig_size, stringlist_t **keylist

    )

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].verify_text(session, text, size, signature, sig_size, keylist);

}

DYNAMIC_API PEP_STATUS delete_keypair(PEP_SESSION session, const char *fpr)

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].delete_keypair(session, fpr);

}

DYNAMIC_API PEP_STATUS export_key(

    PEP_SESSION session, const char *fpr, char **key_data, size_t *size

    )

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].export_key(session, fpr, key_data, size);

}

DYNAMIC_API PEP_STATUS find_keys(

    PEP_SESSION session, const char *pattern, stringlist_t **keylist

    )

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].find_keys(session, pattern, keylist);

}

DYNAMIC_API PEP_STATUS generate_keypair(

    PEP_SESSION session, pEp_identity *identity

    )

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].generate_keypair(session, identity);

}

DYNAMIC_API PEP_STATUS get_key_rating(

    PEP_SESSION session,

    const char *fpr,

    PEP_comm_type *comm_type

    )

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].get_key_rating(session, fpr, comm_type);

}

DYNAMIC_API PEP_STATUS import_key(PEP_SESSION session, const char *key_data, size_t size)

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].import_key(session, key_data, size);

}

DYNAMIC_API PEP_STATUS recv_key(PEP_SESSION session, const char *pattern)

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].recv_key(session, pattern);

}

DYNAMIC_API PEP_STATUS send_key(PEP_SESSION session, const char *pattern)

{

    pEpSession *_session = (pEpSession *) session;

    return _session->cryptotech[PEP_crypt_OpenPGP].send_key(session, pattern);

}