src/pEpEngine.c
author vb
Wed, 11 Mar 2015 15:54:19 +0100
changeset 107 fbef1c59da96
parent 98 9e3d28932e7b
child 109 297efc53ba70
permissions -rw-r--r--
...
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     1
#include "dynamic_api.h"
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     2
#include "pEp_internal.h"
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     3
#include "cryptotech.h"
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     4
#include "transport.h"
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     5
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int init_count = -1;
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     7
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     8
DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
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     9
{
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    10
    PEP_STATUS status = PEP_STATUS_OK;
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    11
	int int_result;
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    12
	static const char *sql_log;
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    13
	static const char *sql_safeword;
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    14
	static const char *sql_get_identity;
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    15
	static const char *sql_set_person;
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    16
	static const char *sql_set_pgp_keypair;
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    17
	static const char *sql_set_identity;
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    18
	static const char *sql_set_trust;
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    19
    static const char *sql_get_trust;
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    20
    bool in_first = false;
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    21
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    22
    assert(sqlite3_threadsafe());
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    23
    if (!sqlite3_threadsafe())
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    24
        return PEP_INIT_SQLITE3_WITHOUT_MUTEX;
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    25
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    26
    // a little race condition - but still a race condition
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    27
    // removed by calling caveat (see documentation)
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    28
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    29
    ++init_count;
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    30
    if (init_count == 0)
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    31
        in_first = true;
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    32
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    33
	assert(session);
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    34
	*session = NULL;
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    35
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    36
    pEpSession *_session = calloc(1, sizeof(pEpSession));
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    37
	assert(_session);
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    38
	if (_session == NULL)
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    39
		goto enomem;
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    40
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    41
	_session->version = PEP_ENGINE_VERSION;
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    42
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    43
    assert(LOCAL_DB);
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    44
    if (LOCAL_DB == NULL) {
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    45
        status = PEP_INIT_CANNOT_OPEN_DB;
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    46
        goto pep_error;
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    47
    }
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    48
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    49
	int_result = sqlite3_open_v2(
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    50
			LOCAL_DB,
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    51
			&_session->db,
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    52
			SQLITE_OPEN_READWRITE
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				| SQLITE_OPEN_CREATE
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				| SQLITE_OPEN_FULLMUTEX
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    55
				| SQLITE_OPEN_PRIVATECACHE,
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    56
			NULL 
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		);
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    58
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    59
	if (int_result != SQLITE_OK) {
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    60
		status = PEP_INIT_CANNOT_OPEN_DB;
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    61
        goto pep_error;
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    62
	}
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    63
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    64
	sqlite3_busy_timeout(_session->db, BUSY_WAIT_TIME);
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    65
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    66
    assert(SYSTEM_DB);
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    67
    if (SYSTEM_DB == NULL) {
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    68
		status = PEP_INIT_CANNOT_OPEN_SYSTEM_DB;
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    69
        goto pep_error;
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    70
    }
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    71
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    72
	int_result = sqlite3_open_v2(
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    73
			SYSTEM_DB, &_session->system_db,
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    74
			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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    80
	if (int_result != SQLITE_OK) {
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    81
		status = PEP_INIT_CANNOT_OPEN_SYSTEM_DB;
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    82
        goto pep_error;
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    83
	}
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    84
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    85
	sqlite3_busy_timeout(_session->system_db, 1000);
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    86
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    87
    if (in_first) {
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    88
        int_result = sqlite3_exec(
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    89
            _session->db,
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    90
                "create table if not exists version_info ("
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    91
                "	id integer primary key,"
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    92
                "	timestamp integer default (datetime('now')) ,"
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    93
                "	version text,"
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    94
                "	comment text"
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    95
                ");"
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    96
                "create table if not exists log ("
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    97
                "	timestamp integer default (datetime('now')) ,"
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    98
                "	title text not null,"
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    99
                "	entity text not null,"
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   100
                "	description text,"
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   101
                "	comment text"
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   102
                ");"
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   103
                "create index if not exists log_timestamp on log ("
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   104
                "	timestamp"
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   105
                ");"
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   106
                "create table if not exists pgp_keypair ("
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   107
                "	fpr text primary key,"
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   108
                "	public_id text unique,"
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   109
                "   private_id text,"
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   110
                "	created integer,"
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   111
                "	expires integer,"
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   112
                "	comment text"
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   113
                ");"
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   114
                "create index if not exists pgp_keypair_expires on pgp_keypair ("
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   115
                "	expires"
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   116
                ");"
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   117
                "create table if not exists person ("
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   118
                "	id text primary key,"
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   119
                "	username text not null,"
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   120
                "	main_key_id text"
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   121
                "		references pgp_keypair (fpr)"
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   122
                "		on delete set null,"
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   123
                "   lang text,"
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   124
                "	comment text"
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   125
                ");"
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   126
                "create table if not exists identity ("
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   127
                "	address text primary key,"
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   128
                "	user_id text"
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   129
                "		references person (id)"
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   130
                "		on delete cascade,"
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   131
                "	main_key_id text"
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   132
                "		references pgp_keypair (fpr)"
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   133
                "		on delete set null,"
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   134
                "	comment text"
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   135
                ");"
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   136
                "create table if not exists trust ("
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   137
                "   user_id text not null"
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   138
                "       references person (id)"
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   139
                "		on delete cascade,"
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   140
                "   pgp_keypair_fpr text not null"
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   141
                "       references pgp_keypair (fpr)"
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   142
                "       on delete cascade,"
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   143
                "   comm_type integer not null,"
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   144
                "	comment text"
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   145
                ");"
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   146
                "create unique index if not exists trust_index on trust ("
vb@62
   147
                "   user_id,"
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   148
                "   pgp_keypair_fpr"
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   149
                ");",
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   150
            NULL,
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   151
            NULL,
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   152
            NULL
vb@62
   153
        );
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   154
        assert(int_result == SQLITE_OK);
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   155
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   156
        int_result = sqlite3_exec(
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   157
            _session->db,
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   158
            "insert or replace into version_info (id, version) values (1, '1.0');",
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   159
            NULL,
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   160
            NULL,
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   161
            NULL
vb@62
   162
        );
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   163
        assert(int_result == SQLITE_OK);
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   164
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   165
        sql_log = "insert into log (title, entity, description, comment)"
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   166
                  "values (?1, ?2, ?3, ?4);";
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   167
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   168
        sql_get_identity =	"select fpr, identity.user_id, username, comm_type, lang"
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   169
                            "   from identity"
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   170
                            "   join person on id = identity.user_id"
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   171
                            "   join pgp_keypair on fpr = identity.main_key_id"
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   172
                            "   join trust on id = trust.user_id"
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   173
                            "       and pgp_keypair_fpr = identity.main_key_id"
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   174
                            "   where address = ?1 ;";
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   175
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   176
        sql_safeword = "select id, word from wordlist where lang = lower(?1) "
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   177
                       "and id = ?2 ;";
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   178
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   179
        sql_set_person = "insert or replace into person (id, username, lang) "
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   180
                         "values (?1, ?2, ?3) ;";
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   181
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   182
        sql_set_pgp_keypair = "insert or replace into pgp_keypair (fpr) "
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   183
                              "values (?1) ;";
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   184
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   185
        sql_set_identity = "insert or replace into identity (address, main_key_id, "
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   186
                           "user_id) values (?1, ?2, ?3) ;";
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   187
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   188
        sql_set_trust = "insert or replace into trust (user_id, pgp_keypair_fpr, comm_type) "
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   189
                        "values (?1, ?2, ?3) ;";
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   190
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   191
        sql_get_trust = "select user_id, comm_type from trust where user_id = ?1 "
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   192
                        "and pgp_keypair_fpr = ?2 ;";
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   193
    }
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   194
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   195
    int_result = sqlite3_prepare_v2(_session->db, sql_log, strlen(sql_log),
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   196
            &_session->log, NULL);
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   197
	assert(int_result == SQLITE_OK);
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   198
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   199
    int_result = sqlite3_prepare_v2(_session->system_db, sql_safeword,
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   200
            strlen(sql_safeword), &_session->safeword, NULL);
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   201
	assert(int_result == SQLITE_OK);
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   202
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   203
    int_result = sqlite3_prepare_v2(_session->db, sql_get_identity,
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   204
            strlen(sql_get_identity), &_session->get_identity, NULL);
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	assert(int_result == SQLITE_OK);
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   206
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   207
    int_result = sqlite3_prepare_v2(_session->db, sql_set_person,
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   208
            strlen(sql_set_person), &_session->set_person, NULL);
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   209
    assert(int_result == SQLITE_OK);
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   210
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   211
    int_result = sqlite3_prepare_v2(_session->db, sql_set_pgp_keypair,
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   212
            strlen(sql_set_pgp_keypair), &_session->set_pgp_keypair, NULL);
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   213
	assert(int_result == SQLITE_OK);
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   214
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   215
    int_result = sqlite3_prepare_v2(_session->db, sql_set_identity,
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   216
            strlen(sql_set_identity), &_session->set_identity, NULL);
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   217
	assert(int_result == SQLITE_OK);
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   218
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   219
    int_result = sqlite3_prepare_v2(_session->db, sql_set_trust,
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   220
            strlen(sql_set_trust), &_session->set_trust, NULL);
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   221
	assert(int_result == SQLITE_OK);
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   222
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   223
    int_result = sqlite3_prepare_v2(_session->db, sql_get_trust,
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   224
            strlen(sql_get_trust), &_session->get_trust, NULL);
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   225
    assert(int_result == SQLITE_OK);
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   226
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   227
    status = init_cryptotech(_session, in_first);
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   228
    if (status != PEP_STATUS_OK)
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   229
        goto pep_error;
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   230
vb@65
   231
    status = init_transport_system(_session, in_first);
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   232
    if (status != PEP_STATUS_OK)
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   233
        goto pep_error;
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   234
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   235
    status = log_event(_session, "init", "pEp " PEP_ENGINE_VERSION, NULL, NULL);
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   236
    if (status != PEP_STATUS_OK)
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   237
        goto pep_error;
vb@65
   238
vb@65
   239
	*session = _session;
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   240
	return PEP_STATUS_OK;
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   241
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   242
enomem:
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   243
    status = PEP_OUT_OF_MEMORY;
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   244
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   245
pep_error:
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   246
    release(_session);
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   247
    return status;
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   248
}
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   249
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   250
DYNAMIC_API void release(PEP_SESSION session)
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   251
{
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   252
    bool out_last = false;
vb@62
   253
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   254
    assert(init_count >= 0);
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   255
	assert(session);
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   256
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   257
    // a small race condition but still a race condition
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   258
    // removed by calling caveat (see documentation)
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   259
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   260
    if (init_count == 0)
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   261
        out_last = true;
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   262
    --init_count;
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   263
vb@46
   264
	if (session) {
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   265
		if (session->db) {
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   266
            if (session->safeword)
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   267
                sqlite3_finalize(session->safeword);
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   268
            if (session->log)
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   269
                sqlite3_finalize(session->log);
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   270
            if (session->get_identity)
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   271
                sqlite3_finalize(session->get_identity);
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   272
            if (session->set_identity)
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   273
                sqlite3_finalize(session->set_identity);
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   274
            if (session->set_person)
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   275
                sqlite3_finalize(session->set_person);
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   276
            if (session->set_pgp_keypair)
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   277
                sqlite3_finalize(session->set_pgp_keypair);
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   278
            if (session->set_trust)
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   279
                sqlite3_finalize(session->set_trust);
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   280
            if (session->get_trust)
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   281
                sqlite3_finalize(session->get_trust);
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   282
vb@65
   283
            if (session->db)
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   284
                sqlite3_close_v2(session->db);
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   285
            if (session->system_db)
vb@65
   286
                sqlite3_close_v2(session->system_db);
vb@0
   287
		}
vb@28
   288
vb@65
   289
        release_transport_system(session, out_last);
vb@65
   290
        release_cryptotech(session, out_last);
vb@62
   291
vb@65
   292
        free(session);
vb@65
   293
    }
vb@0
   294
}
vb@0
   295
vb@0
   296
DYNAMIC_API PEP_STATUS log_event(
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   297
        PEP_SESSION session, const char *title, const char *entity,
vb@0
   298
        const char *description, const char *comment
vb@0
   299
    )
vb@0
   300
{
vb@0
   301
	PEP_STATUS status = PEP_STATUS_OK;
vb@0
   302
	int result;
vb@0
   303
vb@46
   304
	assert(session);
vb@0
   305
	assert(title);
vb@0
   306
	assert(entity);
vb@0
   307
vb@46
   308
	sqlite3_reset(session->log);
vb@46
   309
	sqlite3_bind_text(session->log, 1, title, -1, SQLITE_STATIC);
vb@46
   310
	sqlite3_bind_text(session->log, 2, entity, -1, SQLITE_STATIC);
vb@0
   311
	if (description)
vb@46
   312
        sqlite3_bind_text(session->log, 3, description, -1, SQLITE_STATIC);
vb@0
   313
	else
vb@46
   314
		sqlite3_bind_null(session->log, 3);
vb@0
   315
	if (comment)
vb@46
   316
		sqlite3_bind_text(session->log, 4, comment, -1, SQLITE_STATIC);
vb@0
   317
	else
vb@46
   318
		sqlite3_bind_null(session->log, 4);
vb@0
   319
	do {
vb@46
   320
		result = sqlite3_step(session->log);
vb@0
   321
		assert(result == SQLITE_DONE || result == SQLITE_BUSY);
vb@0
   322
		if (result != SQLITE_DONE && result != SQLITE_BUSY)
vb@0
   323
			status = PEP_UNKNOWN_ERROR;
vb@0
   324
	} while (result == SQLITE_BUSY);
vb@46
   325
	sqlite3_reset(session->log);
vb@0
   326
vb@0
   327
	return status;
vb@0
   328
}
vb@0
   329
vb@0
   330
DYNAMIC_API PEP_STATUS safeword(
vb@0
   331
            PEP_SESSION session, uint16_t value, const char *lang,
vb@0
   332
            char **word, size_t *wsize
vb@0
   333
        )
vb@0
   334
{
vb@0
   335
	PEP_STATUS status = PEP_STATUS_OK;
vb@0
   336
	int result;
vb@0
   337
vb@46
   338
	assert(session);
vb@0
   339
	assert(word);
vb@0
   340
	assert(wsize);
vb@0
   341
vb@0
   342
	*word = NULL;
vb@0
   343
	*wsize = 0;
vb@0
   344
vb@0
   345
	if (lang == NULL)
vb@0
   346
		lang = "en";
vb@0
   347
vb@0
   348
	assert((lang[0] >= 'A' && lang[0] <= 'Z')
vb@0
   349
            || (lang[0] >= 'a' && lang[0] <= 'z'));
vb@0
   350
	assert((lang[1] >= 'A' && lang[1] <= 'Z')
vb@0
   351
            || (lang[1] >= 'a' && lang[1] <= 'z'));
vb@0
   352
	assert(lang[2] == 0);
vb@0
   353
vb@46
   354
	sqlite3_reset(session->safeword);
vb@46
   355
    sqlite3_bind_text(session->safeword, 1, lang, -1, SQLITE_STATIC);
vb@46
   356
	sqlite3_bind_int(session->safeword, 2, value);
vb@0
   357
vb@46
   358
	result = sqlite3_step(session->safeword);
vb@0
   359
	if (result == SQLITE_ROW) {
vb@46
   360
        *word = strdup((const char *) sqlite3_column_text(session->safeword,
vb@0
   361
                    1));
vb@0
   362
		if (*word)
vb@46
   363
            *wsize = sqlite3_column_bytes(session->safeword, 1);
vb@0
   364
		else
vb@0
   365
			status = PEP_SAFEWORD_NOT_FOUND;
vb@0
   366
	} else
vb@0
   367
		status = PEP_SAFEWORD_NOT_FOUND;
vb@0
   368
vb@46
   369
	sqlite3_reset(session->safeword);
vb@0
   370
	return status;
vb@0
   371
}
vb@0
   372
vb@0
   373
DYNAMIC_API PEP_STATUS safewords(
vb@0
   374
        PEP_SESSION session, const char *fingerprint, const char *lang,
vb@0
   375
        char **words, size_t *wsize, int max_words
vb@0
   376
    )
vb@0
   377
{
vb@0
   378
	const char *source = fingerprint;
vb@0
   379
	char *buffer = calloc(1, MAX_SAFEWORDS_SPACE);
vb@0
   380
	char *dest = buffer;
vb@0
   381
	size_t fsize;
vb@0
   382
    PEP_STATUS _status;
vb@0
   383
vb@0
   384
	assert(session);
vb@0
   385
	assert(fingerprint);
vb@0
   386
	assert(words);
vb@0
   387
	assert(wsize);
vb@0
   388
	assert(max_words >= 0);
vb@0
   389
vb@0
   390
	*words = NULL;
vb@0
   391
	*wsize = 0;
vb@0
   392
vb@0
   393
    assert(buffer);
vb@0
   394
    if (buffer == NULL)
vb@0
   395
        return PEP_OUT_OF_MEMORY;
vb@0
   396
vb@0
   397
	fsize = strlen(fingerprint);
vb@0
   398
vb@0
   399
	if (lang == NULL)
vb@0
   400
		lang = "en";
vb@0
   401
vb@0
   402
	assert((lang[0] >= 'A' && lang[0] <= 'Z')
vb@0
   403
            || (lang[0] >= 'a' && lang[0] <= 'z'));
vb@0
   404
	assert((lang[1] >= 'A' && lang[1] <= 'Z')
vb@0
   405
            || (lang[1] >= 'a' && lang[1] <= 'z'));
vb@0
   406
	assert(lang[2] == 0);
vb@0
   407
vb@0
   408
	int n_words = 0;
vb@0
   409
	while (source < fingerprint + fsize) {
vb@0
   410
		uint16_t value;
vb@0
   411
		char *word;
vb@0
   412
		size_t _wsize;
vb@0
   413
		int j;
vb@0
   414
vb@0
   415
        for (value=0, j=0; j < 4 && source < fingerprint + fsize; ) {
vb@0
   416
			if (*source >= 'a' && *source <= 'f')
vb@0
   417
				value += (*source - 'a' + 10) << (3 - j++) * 4;
vb@0
   418
			else if (*source >= 'A' && *source <= 'F')
vb@0
   419
				value += (*source - 'A' + 10) << (3 - j++) * 4;
vb@0
   420
			else if (*source >= '0' && *source <= '9')
vb@0
   421
				value += (*source - '0') << (3 - j++) * 4;
vb@0
   422
			
vb@0
   423
			source++;
vb@0
   424
		}
vb@0
   425
vb@0
   426
		_status = safeword(session, value, lang, &word, &_wsize);
vb@0
   427
        if (_status == PEP_OUT_OF_MEMORY) {
vb@0
   428
            free(buffer);
vb@0
   429
            return PEP_OUT_OF_MEMORY;
vb@0
   430
        }
vb@0
   431
		if (word == NULL) {
vb@0
   432
            free(buffer);
vb@0
   433
			return PEP_SAFEWORD_NOT_FOUND;
vb@0
   434
        }
vb@0
   435
vb@0
   436
		if (dest + _wsize < buffer + MAX_SAFEWORDS_SPACE - 1) {
vb@0
   437
			strncpy(dest, word, _wsize);
vb@0
   438
            free(word);
vb@0
   439
			dest += _wsize;
vb@0
   440
		}
vb@0
   441
		else {
vb@0
   442
            free(word);
vb@0
   443
			break; // buffer full
vb@0
   444
        }
vb@0
   445
vb@0
   446
		if (source < fingerprint + fsize
vb@0
   447
                && dest + _wsize < buffer + MAX_SAFEWORDS_SPACE - 1)
vb@0
   448
			*dest++ = ' ';
vb@0
   449
vb@0
   450
		++n_words;
vb@0
   451
		if (max_words && n_words >= max_words)
vb@0
   452
			break;
vb@0
   453
	}
vb@0
   454
vb@0
   455
	*words = buffer;
vb@0
   456
	*wsize = dest - buffer;
vb@0
   457
	return PEP_STATUS_OK;
vb@0
   458
}
vb@0
   459
vb@0
   460
pEp_identity *new_identity(
vb@0
   461
        const char *address, const char *fpr, const char *user_id,
vb@0
   462
        const char *username
vb@0
   463
    )
vb@0
   464
{
vb@0
   465
    pEp_identity *result = calloc(1, sizeof(pEp_identity));
vb@0
   466
    assert(result);
vb@0
   467
    if (result) {
vb@0
   468
        if (address) {
vb@0
   469
            result->address = strdup(address);
vb@0
   470
            assert(result->address);
vb@0
   471
            if (result->address == NULL) {
vb@0
   472
                free(result);
vb@0
   473
                return NULL;
vb@0
   474
            }
vb@0
   475
            result->address_size = strlen(address);
vb@0
   476
        }
vb@0
   477
        if (fpr) {
vb@0
   478
            result->fpr = strdup(fpr);
vb@0
   479
            assert(result->fpr);
vb@0
   480
            if (result->fpr == NULL) {
vb@0
   481
                free_identity(result);
vb@0
   482
                return NULL;
vb@0
   483
            }
vb@0
   484
            result->fpr_size = strlen(fpr);
vb@0
   485
        }
vb@0
   486
        if (user_id) {
vb@0
   487
            result->user_id = strdup(user_id);
vb@0
   488
            assert(result->user_id);
vb@0
   489
            if (result->user_id == NULL) {
vb@0
   490
                free_identity(result);
vb@0
   491
                return NULL;
vb@0
   492
            }
vb@0
   493
            result->user_id_size = strlen(user_id);
vb@0
   494
        }
vb@0
   495
        if (username) {
vb@0
   496
            result->username = strdup(username);
vb@0
   497
            assert(result->username);
vb@0
   498
            if (result->username == NULL) {
vb@0
   499
                free_identity(result);
vb@0
   500
                return NULL;
vb@0
   501
            }
vb@0
   502
            result->username_size = strlen(username);
vb@0
   503
        }
vb@0
   504
        result->struct_size = sizeof(pEp_identity);
vb@0
   505
    }
vb@0
   506
    return result;
vb@0
   507
}
vb@0
   508
vb@37
   509
pEp_identity *identity_dup(const pEp_identity *src)
vb@37
   510
{
vb@37
   511
    assert(src);
vb@37
   512
vb@37
   513
    pEp_identity *dup = new_identity(src->address, src->fpr, src->user_id, src->username);
vb@37
   514
    assert(dup);
vb@37
   515
    if (dup == NULL)
vb@37
   516
        return NULL;
vb@37
   517
    
vb@37
   518
    dup->comm_type = src->comm_type;
vb@37
   519
    dup->lang[0] = src->lang[0];
vb@37
   520
    dup->lang[1] = src->lang[1];
vb@37
   521
    dup->lang[2] = 0;
vb@37
   522
    dup->me = src->me;
vb@37
   523
vb@37
   524
    return dup;
vb@37
   525
}
vb@37
   526
vb@0
   527
void free_identity(pEp_identity *identity)
vb@0
   528
{
vb@0
   529
    if (identity) {
vb@0
   530
        free(identity->address);
vb@0
   531
        free(identity->fpr);
vb@0
   532
        free(identity->user_id);
vb@0
   533
        free(identity->username);
vb@0
   534
        free(identity);
vb@0
   535
    }
vb@0
   536
}
vb@0
   537
vb@0
   538
DYNAMIC_API PEP_STATUS get_identity(
vb@0
   539
        PEP_SESSION session, const char *address,
vb@0
   540
        pEp_identity **identity
vb@0
   541
    )
vb@0
   542
{
vb@0
   543
	PEP_STATUS status = PEP_STATUS_OK;
vb@0
   544
	static pEp_identity *_identity;
vb@0
   545
	int result;
vb@0
   546
	const char *_lang;
vb@0
   547
vb@0
   548
	assert(session);
vb@0
   549
	assert(address);
vb@8
   550
    assert(address[0]);
vb@0
   551
vb@46
   552
    sqlite3_reset(session->get_identity);
vb@46
   553
    sqlite3_bind_text(session->get_identity, 1, address, -1, SQLITE_STATIC);
vb@0
   554
vb@46
   555
    result = sqlite3_step(session->get_identity);
vb@0
   556
	switch (result) {
vb@0
   557
	case SQLITE_ROW:
vb@0
   558
        _identity = new_identity(
vb@0
   559
                address,
vb@46
   560
                (const char *) sqlite3_column_text(session->get_identity, 0),
vb@46
   561
                (const char *) sqlite3_column_text(session->get_identity, 1),
vb@46
   562
                (const char *) sqlite3_column_text(session->get_identity, 2)
vb@0
   563
                );
vb@0
   564
        assert(_identity);
vb@0
   565
        if (_identity == NULL)
vb@0
   566
            return PEP_OUT_OF_MEMORY;
vb@0
   567
vb@46
   568
        _identity->comm_type = (PEP_comm_type) sqlite3_column_int(session->get_identity, 3);
vb@46
   569
        _lang = (const char *) sqlite3_column_text(session->get_identity, 4);
vb@0
   570
        if (_lang && _lang[0]) {
vb@0
   571
			assert(_lang[0] >= 'a' && _lang[0] <= 'z');
vb@0
   572
			assert(_lang[1] >= 'a' && _lang[1] <= 'z');
vb@0
   573
			assert(_lang[2] == 0);
vb@0
   574
			_identity->lang[0] = _lang[0];
vb@0
   575
			_identity->lang[1] = _lang[1];
vb@0
   576
            _identity->lang[2] = 0;
vb@0
   577
		}
vb@0
   578
		*identity = _identity;
vb@0
   579
		break;
vb@0
   580
	default:
vb@0
   581
        status = PEP_CANNOT_FIND_IDENTITY;
vb@0
   582
		*identity = NULL;
vb@0
   583
	}
vb@0
   584
vb@46
   585
    sqlite3_reset(session->get_identity);
vb@0
   586
	return status;
vb@0
   587
}
vb@0
   588
vb@0
   589
DYNAMIC_API PEP_STATUS set_identity(
vb@0
   590
        PEP_SESSION session, const pEp_identity *identity
vb@0
   591
    )
vb@0
   592
{
vb@0
   593
	int result;
vb@0
   594
vb@0
   595
	assert(session);
vb@0
   596
	assert(identity);
vb@0
   597
	assert(identity->address);
vb@0
   598
	assert(identity->fpr);
vb@0
   599
	assert(identity->user_id);
vb@0
   600
	assert(identity->username);
vb@0
   601
vb@46
   602
	sqlite3_exec(session->db, "BEGIN ;", NULL, NULL, NULL);
vb@0
   603
vb@46
   604
	sqlite3_reset(session->set_person);
vb@46
   605
    sqlite3_bind_text(session->set_person, 1, identity->user_id, -1,
vb@0
   606
            SQLITE_STATIC);
vb@46
   607
    sqlite3_bind_text(session->set_person, 2, identity->username, -1,
vb@0
   608
            SQLITE_STATIC);
vb@0
   609
	if (identity->lang[0])
vb@46
   610
        sqlite3_bind_text(session->set_person, 3, identity->lang, 1,
vb@0
   611
                SQLITE_STATIC);
vb@0
   612
	else
vb@46
   613
		sqlite3_bind_null(session->set_person, 3);
vb@46
   614
	result = sqlite3_step(session->set_person);
vb@46
   615
	sqlite3_reset(session->set_person);
vb@0
   616
	if (result != SQLITE_DONE) {
vb@46
   617
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   618
		return PEP_CANNOT_SET_PERSON;
vb@0
   619
	}
vb@0
   620
vb@46
   621
	sqlite3_reset(session->set_pgp_keypair);
vb@46
   622
    sqlite3_bind_text(session->set_pgp_keypair, 1, identity->fpr, -1,
vb@0
   623
            SQLITE_STATIC);
vb@46
   624
	result = sqlite3_step(session->set_pgp_keypair);
vb@46
   625
	sqlite3_reset(session->set_pgp_keypair);
vb@0
   626
	if (result != SQLITE_DONE) {
vb@46
   627
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   628
		return PEP_CANNOT_SET_PGP_KEYPAIR;
vb@0
   629
	}
vb@0
   630
vb@46
   631
	sqlite3_reset(session->set_identity);
vb@46
   632
    sqlite3_bind_text(session->set_identity, 1, identity->address, -1,
vb@0
   633
            SQLITE_STATIC);
vb@46
   634
    sqlite3_bind_text(session->set_identity, 2, identity->fpr, -1,
vb@0
   635
            SQLITE_STATIC);
vb@46
   636
    sqlite3_bind_text(session->set_identity, 3, identity->user_id, -1,
vb@0
   637
            SQLITE_STATIC);
vb@46
   638
	result = sqlite3_step(session->set_identity);
vb@46
   639
	sqlite3_reset(session->set_identity);
vb@0
   640
	if (result != SQLITE_DONE) {
vb@46
   641
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   642
		return PEP_CANNOT_SET_IDENTITY;
vb@0
   643
	}
vb@0
   644
vb@46
   645
	sqlite3_reset(session->set_trust);
vb@46
   646
    sqlite3_bind_text(session->set_trust, 1, identity->user_id, -1,
vb@0
   647
            SQLITE_STATIC);
vb@46
   648
    sqlite3_bind_text(session->set_trust, 2, identity->fpr, -1,
vb@0
   649
            SQLITE_STATIC);
vb@46
   650
	sqlite3_bind_int(session->set_trust, 3, identity->comm_type);
vb@46
   651
	result = sqlite3_step(session->set_trust);
vb@46
   652
	sqlite3_reset(session->set_trust);
vb@0
   653
	if (result != SQLITE_DONE) {
vb@46
   654
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   655
		return PEP_CANNOT_SET_IDENTITY;
vb@0
   656
	}
vb@0
   657
vb@46
   658
    result = sqlite3_exec(session->db, "COMMIT ;", NULL, NULL, NULL);
vb@0
   659
	if (result == SQLITE_OK)
vb@0
   660
		return PEP_STATUS_OK;
vb@0
   661
	else
vb@0
   662
		return PEP_COMMIT_FAILED;
vb@0
   663
}
vb@0
   664
vb@0
   665
void pEp_free(void *p)
vb@0
   666
{
vb@0
   667
    free(p);
vb@0
   668
}
vb@0
   669
vb@8
   670
DYNAMIC_API PEP_STATUS get_trust(PEP_SESSION session, pEp_identity *identity)
vb@8
   671
{
vb@8
   672
    PEP_STATUS status = PEP_STATUS_OK;
vb@8
   673
    int result;
vb@8
   674
vb@8
   675
    assert(session);
vb@8
   676
    assert(identity);
vb@8
   677
    assert(identity->user_id);
vb@8
   678
    assert(identity->user_id[0]);
vb@8
   679
    assert(identity->fpr);
vb@8
   680
    assert(identity->fpr[0]);
vb@8
   681
vb@8
   682
    identity->comm_type = PEP_ct_unknown;
vb@8
   683
vb@46
   684
    sqlite3_reset(session->get_trust);
vb@46
   685
    sqlite3_bind_text(session->get_trust, 1, identity->user_id, -1, SQLITE_STATIC);
vb@46
   686
    sqlite3_bind_text(session->get_trust, 2, identity->fpr, -1, SQLITE_STATIC);
vb@8
   687
vb@46
   688
    result = sqlite3_step(session->get_trust);
vb@8
   689
    switch (result) {
vb@8
   690
    case SQLITE_ROW: {
vb@46
   691
        const char * user_id = (const char *) sqlite3_column_text(session->get_trust, 1);
vb@46
   692
        int comm_type = (PEP_comm_type) sqlite3_column_int(session->get_trust, 2);
vb@8
   693
vb@8
   694
        if (strcmp(user_id, identity->user_id) != 0) {
vb@8
   695
            free(identity->user_id);
vb@8
   696
            identity->user_id = strdup(user_id);
vb@8
   697
            assert(identity->user_id);
vb@8
   698
            if (identity->user_id == NULL)
vb@8
   699
                return PEP_OUT_OF_MEMORY;
vb@8
   700
        }
vb@8
   701
        identity->comm_type = comm_type;
vb@8
   702
        break;
vb@8
   703
    }
vb@8
   704
 
vb@8
   705
    default:
vb@8
   706
        status = PEP_CANNOT_FIND_IDENTITY;
vb@8
   707
    }
vb@8
   708
vb@46
   709
    sqlite3_reset(session->get_trust);
vb@8
   710
    return status;
vb@9
   711
}
vb@9
   712
vb@24
   713
DYNAMIC_API PEP_STATUS decrypt_and_verify(
vb@24
   714
    PEP_SESSION session, const char *ctext, size_t csize,
vb@24
   715
    char **ptext, size_t *psize, stringlist_t **keylist
vb@24
   716
    )
vb@24
   717
{
vb@46
   718
    return session->cryptotech[PEP_crypt_OpenPGP].decrypt_and_verify(session, ctext, csize, ptext, psize, keylist);
vb@24
   719
}
vb@24
   720
vb@24
   721
DYNAMIC_API PEP_STATUS encrypt_and_sign(
vb@24
   722
    PEP_SESSION session, const stringlist_t *keylist, const char *ptext,
vb@24
   723
    size_t psize, char **ctext, size_t *csize
vb@24
   724
    )
vb@24
   725
{
vb@46
   726
    return session->cryptotech[PEP_crypt_OpenPGP].encrypt_and_sign(session, keylist, ptext, psize, ctext, csize);
vb@24
   727
}
vb@24
   728
vb@24
   729
DYNAMIC_API PEP_STATUS verify_text(
vb@24
   730
    PEP_SESSION session, const char *text, size_t size,
vb@24
   731
    const char *signature, size_t sig_size, stringlist_t **keylist
vb@24
   732
    )
vb@24
   733
{
vb@46
   734
    return session->cryptotech[PEP_crypt_OpenPGP].verify_text(session, text, size, signature, sig_size, keylist);
vb@24
   735
}
vb@24
   736
vb@24
   737
DYNAMIC_API PEP_STATUS delete_keypair(PEP_SESSION session, const char *fpr)
vb@24
   738
{
vb@46
   739
    return session->cryptotech[PEP_crypt_OpenPGP].delete_keypair(session, fpr);
vb@24
   740
}
vb@24
   741
vb@24
   742
DYNAMIC_API PEP_STATUS export_key(
vb@46
   743
        PEP_SESSION session, const char *fpr, char **key_data, size_t *size
vb@24
   744
    )
vb@24
   745
{
vb@46
   746
    return session->cryptotech[PEP_crypt_OpenPGP].export_key(session, fpr, key_data, size);
vb@24
   747
}
vb@24
   748
vb@24
   749
DYNAMIC_API PEP_STATUS find_keys(
vb@46
   750
        PEP_SESSION session, const char *pattern, stringlist_t **keylist
vb@24
   751
    )
vb@24
   752
{
vb@46
   753
    return session->cryptotech[PEP_crypt_OpenPGP].find_keys(session, pattern, keylist);
vb@24
   754
}
vb@24
   755
vb@24
   756
DYNAMIC_API PEP_STATUS generate_keypair(
vb@46
   757
        PEP_SESSION session, pEp_identity *identity
vb@24
   758
    )
vb@24
   759
{
vb@46
   760
    return session->cryptotech[PEP_crypt_OpenPGP].generate_keypair(session, identity);
vb@24
   761
}
vb@24
   762
vb@9
   763
DYNAMIC_API PEP_STATUS get_key_rating(
vb@46
   764
        PEP_SESSION session,
vb@46
   765
        const char *fpr,
vb@46
   766
        PEP_comm_type *comm_type
vb@9
   767
    )
vb@9
   768
{
vb@46
   769
    return session->cryptotech[PEP_crypt_OpenPGP].get_key_rating(session, fpr, comm_type);
vb@24
   770
}
vb@9
   771
vb@24
   772
DYNAMIC_API PEP_STATUS import_key(PEP_SESSION session, const char *key_data, size_t size)
vb@24
   773
{
vb@46
   774
    return session->cryptotech[PEP_crypt_OpenPGP].import_key(session, key_data, size);
vb@24
   775
}
vb@9
   776
vb@24
   777
DYNAMIC_API PEP_STATUS recv_key(PEP_SESSION session, const char *pattern)
vb@24
   778
{
vb@46
   779
    return session->cryptotech[PEP_crypt_OpenPGP].recv_key(session, pattern);
vb@24
   780
}
vb@9
   781
vb@24
   782
DYNAMIC_API PEP_STATUS send_key(PEP_SESSION session, const char *pattern)
vb@24
   783
{
vb@46
   784
    return session->cryptotech[PEP_crypt_OpenPGP].send_key(session, pattern);
vb@14
   785
}