src/pEpEngine.c
author vb
Sun, 22 Feb 2015 15:16:57 +0100
changeset 65 b4b2f063a7c4
parent 62 ad5e484720e1
child 67 65cc950ce03d
permissions -rw-r--r--
because a friend was asking me to do so
vb@24
     1
#include "pEp_internal.h"
vb@28
     2
#include "cryptotech.h"
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     3
#include "transport.h"
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     4
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     5
int init_count = -1;
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     6
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     7
DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
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     8
{
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     9
    PEP_STATUS status = PEP_STATUS_OK;
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    10
	int int_result;
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    11
	static const char *sql_log;
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    12
	static const char *sql_safeword;
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    13
	static const char *sql_get_identity;
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    14
	static const char *sql_set_person;
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    15
	static const char *sql_set_pgp_keypair;
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    16
	static const char *sql_set_identity;
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    17
	static const char *sql_set_trust;
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    18
    static const char *sql_get_trust;
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    19
    bool in_first = false;
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    20
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    21
    assert(sqlite3_threadsafe());
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    22
    if (!sqlite3_threadsafe())
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    23
        return PEP_INIT_SQLITE3_WITHOUT_MUTEX;
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    24
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    25
    // a little race condition - but still a race condition
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    26
    // removed by calling caveat (see documentation)
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    27
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    28
    ++init_count;
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    29
    if (init_count == 0) {
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    30
        in_first = true;
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    31
    }
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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 = (pEpSession *) 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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    53
				| SQLITE_OPEN_CREATE
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    54
				| SQLITE_OPEN_FULLMUTEX
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    55
				| SQLITE_OPEN_PRIVATECACHE,
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    56
			NULL 
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    57
		);
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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
	}
vb@0
    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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    75
				| SQLITE_OPEN_FULLMUTEX
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    76
				| SQLITE_OPEN_SHAREDCACHE,
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    77
			NULL
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    78
		);
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    79
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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
	}
vb@0
    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 ("
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   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);
vb@0
   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
vb@62
   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
vb@62
   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
vb@62
   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
vb@62
   182
        sql_set_pgp_keypair = "insert or replace into pgp_keypair (fpr) "
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   183
                              "values (?1) ;";
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   184
vb@62
   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
vb@62
   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),
vb@0
   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,
vb@0
   200
            strlen(sql_safeword), &_session->safeword, NULL);
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   201
	assert(int_result == SQLITE_OK);
vb@0
   202
vb@0
   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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   205
	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
vb@0
   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,
vb@0
   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;
vb@0
   230
vb@65
   231
    status = init_transport_system(_session, in_first);
vb@65
   232
    if (status != PEP_STATUS_OK)
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   233
        goto pep_error;
vb@62
   234
vb@65
   235
    status = log_event(_session, "init", "pEp " PEP_ENGINE_VERSION, NULL, NULL);
vb@65
   236
    if (status != PEP_STATUS_OK)
vb@65
   237
        goto pep_error;
vb@65
   238
vb@65
   239
	*session = _session;
vb@0
   240
	return PEP_STATUS_OK;
vb@65
   241
vb@65
   242
enomem:
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   243
    status = PEP_OUT_OF_MEMORY;
vb@65
   244
vb@65
   245
pep_error:
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   246
    release(_session);
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   247
    return status;
vb@0
   248
}
vb@0
   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)
vb@62
   259
vb@62
   260
    if (init_count == 0)
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   261
        out_last = true;
vb@62
   262
    --init_count;
vb@62
   263
vb@46
   264
	if (session) {
vb@46
   265
		if (session->db) {
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   266
            if (session->safeword)
vb@65
   267
                sqlite3_finalize(session->safeword);
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   268
            if (session->log)
vb@65
   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)
vb@65
   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)
vb@65
   279
                sqlite3_finalize(session->set_trust);
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   280
            if (session->get_trust)
vb@65
   281
                sqlite3_finalize(session->get_trust);
vb@26
   282
vb@65
   283
            if (session->db)
vb@65
   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@65
   288
vb@65
   289
        release_transport_system(session, out_last);
vb@65
   290
        release_cryptotech(session, out_last);
vb@65
   291
vb@65
   292
        free(session);
vb@62
   293
    }
vb@0
   294
}
vb@0
   295
vb@0
   296
stringlist_t *new_stringlist(const char *value)
vb@0
   297
{
vb@0
   298
    stringlist_t *result = (stringlist_t *) calloc(1, sizeof(stringlist_t));
vb@0
   299
    if (result && value) {
vb@0
   300
        result->value = strdup(value);
vb@0
   301
        assert(result->value);
vb@0
   302
        if (result->value == 0) {
vb@0
   303
            free(result);
vb@0
   304
            return NULL;
vb@0
   305
        }
vb@0
   306
    }
vb@0
   307
    return result;
vb@0
   308
}
vb@0
   309
vb@39
   310
DYNAMIC_API stringlist_t *stringlist_dup(const stringlist_t *src)
vb@39
   311
{
vb@39
   312
    assert(src);
vb@39
   313
    if (src == NULL)
vb@39
   314
        return NULL;
vb@39
   315
vb@39
   316
    stringlist_t *dst = new_stringlist(src->value);
vb@39
   317
    if (dst == NULL)
vb@39
   318
        return NULL;
vb@39
   319
vb@39
   320
    if (src->next) {
vb@39
   321
        dst->next = stringlist_dup(src->next);
vb@39
   322
        if (dst->next == NULL) {
vb@39
   323
            free(dst);
vb@39
   324
            return NULL;
vb@39
   325
        }
vb@39
   326
    }
vb@39
   327
vb@39
   328
    return dst;
vb@39
   329
}
vb@39
   330
vb@0
   331
stringlist_t *stringlist_add(stringlist_t *stringlist, const char *value)
vb@0
   332
{
vb@0
   333
    assert(value);
vb@0
   334
vb@0
   335
    if (stringlist == NULL)
vb@0
   336
        return new_stringlist(value);
vb@0
   337
vb@0
   338
    if (stringlist->next != NULL)
vb@0
   339
        return stringlist_add(stringlist->next, value);
vb@0
   340
    if (stringlist->value == NULL) {
vb@0
   341
        stringlist->value = strdup(value);
vb@0
   342
        assert(stringlist->value);
vb@0
   343
        if (stringlist->value == NULL)
vb@0
   344
            return NULL;
vb@0
   345
        return stringlist;
vb@0
   346
    }
vb@0
   347
vb@0
   348
    stringlist->next = new_stringlist(value);
vb@0
   349
    assert(stringlist->next);
vb@0
   350
    if (stringlist->next == NULL)
vb@0
   351
        return NULL;
vb@0
   352
vb@0
   353
    return stringlist->next;
vb@0
   354
}
vb@0
   355
vb@39
   356
DYNAMIC_API stringlist_t *stringlist_append(stringlist_t *stringlist,
vb@39
   357
        stringlist_t *second)
vb@39
   358
{
vb@39
   359
    assert(stringlist);
vb@39
   360
vb@39
   361
    if (second == NULL || second->value == NULL)
vb@39
   362
        return stringlist;
vb@39
   363
vb@39
   364
    stringlist_t *_s = stringlist;
vb@39
   365
    stringlist_t *_s2;
vb@39
   366
    for (_s2 = second; _s2 != NULL; _s2 = _s2->next) {
vb@39
   367
        _s = stringlist_add(_s, _s2->value);
vb@39
   368
        if (_s == NULL)
vb@39
   369
            return NULL;
vb@39
   370
    }
vb@39
   371
    return _s;
vb@39
   372
}
vb@39
   373
vb@0
   374
int stringlist_length(const stringlist_t *stringlist)
vb@0
   375
{
vb@0
   376
    int len = 1;
vb@0
   377
    stringlist_t *_stringlist;
vb@0
   378
vb@0
   379
    assert(stringlist);
vb@0
   380
vb@0
   381
    if (stringlist->value == NULL)
vb@0
   382
        return 0;
vb@0
   383
vb@0
   384
    for (_stringlist=stringlist->next; _stringlist!=NULL; _stringlist=_stringlist->next)
vb@0
   385
        len += 1;
vb@0
   386
vb@0
   387
    return len;
vb@0
   388
}
vb@0
   389
vb@0
   390
void free_stringlist(stringlist_t *stringlist)
vb@0
   391
{
vb@0
   392
    if (stringlist) {
vb@0
   393
        free_stringlist(stringlist->next);
vb@0
   394
        free(stringlist->value);
vb@0
   395
        free(stringlist);
vb@0
   396
    }
vb@0
   397
}
vb@0
   398
vb@0
   399
DYNAMIC_API PEP_STATUS log_event(
vb@0
   400
        PEP_SESSION session, const char *title, const char *entity,
vb@0
   401
        const char *description, const char *comment
vb@0
   402
    )
vb@0
   403
{
vb@0
   404
	PEP_STATUS status = PEP_STATUS_OK;
vb@0
   405
	int result;
vb@0
   406
vb@46
   407
	assert(session);
vb@0
   408
	assert(title);
vb@0
   409
	assert(entity);
vb@0
   410
vb@46
   411
	sqlite3_reset(session->log);
vb@46
   412
	sqlite3_bind_text(session->log, 1, title, -1, SQLITE_STATIC);
vb@46
   413
	sqlite3_bind_text(session->log, 2, entity, -1, SQLITE_STATIC);
vb@0
   414
	if (description)
vb@46
   415
        sqlite3_bind_text(session->log, 3, description, -1, SQLITE_STATIC);
vb@0
   416
	else
vb@46
   417
		sqlite3_bind_null(session->log, 3);
vb@0
   418
	if (comment)
vb@46
   419
		sqlite3_bind_text(session->log, 4, comment, -1, SQLITE_STATIC);
vb@0
   420
	else
vb@46
   421
		sqlite3_bind_null(session->log, 4);
vb@0
   422
	do {
vb@46
   423
		result = sqlite3_step(session->log);
vb@0
   424
		assert(result == SQLITE_DONE || result == SQLITE_BUSY);
vb@0
   425
		if (result != SQLITE_DONE && result != SQLITE_BUSY)
vb@0
   426
			status = PEP_UNKNOWN_ERROR;
vb@0
   427
	} while (result == SQLITE_BUSY);
vb@46
   428
	sqlite3_reset(session->log);
vb@0
   429
vb@0
   430
	return status;
vb@0
   431
}
vb@0
   432
vb@0
   433
DYNAMIC_API PEP_STATUS safeword(
vb@0
   434
            PEP_SESSION session, uint16_t value, const char *lang,
vb@0
   435
            char **word, size_t *wsize
vb@0
   436
        )
vb@0
   437
{
vb@0
   438
	PEP_STATUS status = PEP_STATUS_OK;
vb@0
   439
	int result;
vb@0
   440
vb@46
   441
	assert(session);
vb@0
   442
	assert(word);
vb@0
   443
	assert(wsize);
vb@0
   444
vb@0
   445
	*word = NULL;
vb@0
   446
	*wsize = 0;
vb@0
   447
vb@0
   448
	if (lang == NULL)
vb@0
   449
		lang = "en";
vb@0
   450
vb@0
   451
	assert((lang[0] >= 'A' && lang[0] <= 'Z')
vb@0
   452
            || (lang[0] >= 'a' && lang[0] <= 'z'));
vb@0
   453
	assert((lang[1] >= 'A' && lang[1] <= 'Z')
vb@0
   454
            || (lang[1] >= 'a' && lang[1] <= 'z'));
vb@0
   455
	assert(lang[2] == 0);
vb@0
   456
vb@46
   457
	sqlite3_reset(session->safeword);
vb@46
   458
    sqlite3_bind_text(session->safeword, 1, lang, -1, SQLITE_STATIC);
vb@46
   459
	sqlite3_bind_int(session->safeword, 2, value);
vb@0
   460
vb@46
   461
	result = sqlite3_step(session->safeword);
vb@0
   462
	if (result == SQLITE_ROW) {
vb@46
   463
        *word = strdup((const char *) sqlite3_column_text(session->safeword,
vb@0
   464
                    1));
vb@0
   465
		if (*word)
vb@46
   466
            *wsize = sqlite3_column_bytes(session->safeword, 1);
vb@0
   467
		else
vb@0
   468
			status = PEP_SAFEWORD_NOT_FOUND;
vb@0
   469
	} else
vb@0
   470
		status = PEP_SAFEWORD_NOT_FOUND;
vb@0
   471
vb@46
   472
	sqlite3_reset(session->safeword);
vb@0
   473
	return status;
vb@0
   474
}
vb@0
   475
vb@0
   476
DYNAMIC_API PEP_STATUS safewords(
vb@0
   477
        PEP_SESSION session, const char *fingerprint, const char *lang,
vb@0
   478
        char **words, size_t *wsize, int max_words
vb@0
   479
    )
vb@0
   480
{
vb@0
   481
	const char *source = fingerprint;
vb@0
   482
	char *buffer = calloc(1, MAX_SAFEWORDS_SPACE);
vb@0
   483
	char *dest = buffer;
vb@0
   484
	size_t fsize;
vb@0
   485
    PEP_STATUS _status;
vb@0
   486
vb@0
   487
	assert(session);
vb@0
   488
	assert(fingerprint);
vb@0
   489
	assert(words);
vb@0
   490
	assert(wsize);
vb@0
   491
	assert(max_words >= 0);
vb@0
   492
vb@0
   493
	*words = NULL;
vb@0
   494
	*wsize = 0;
vb@0
   495
vb@0
   496
    assert(buffer);
vb@0
   497
    if (buffer == NULL)
vb@0
   498
        return PEP_OUT_OF_MEMORY;
vb@0
   499
vb@0
   500
	fsize = strlen(fingerprint);
vb@0
   501
vb@0
   502
	if (lang == NULL)
vb@0
   503
		lang = "en";
vb@0
   504
vb@0
   505
	assert((lang[0] >= 'A' && lang[0] <= 'Z')
vb@0
   506
            || (lang[0] >= 'a' && lang[0] <= 'z'));
vb@0
   507
	assert((lang[1] >= 'A' && lang[1] <= 'Z')
vb@0
   508
            || (lang[1] >= 'a' && lang[1] <= 'z'));
vb@0
   509
	assert(lang[2] == 0);
vb@0
   510
vb@0
   511
	int n_words = 0;
vb@0
   512
	while (source < fingerprint + fsize) {
vb@0
   513
		uint16_t value;
vb@0
   514
		char *word;
vb@0
   515
		size_t _wsize;
vb@0
   516
		int j;
vb@0
   517
vb@0
   518
        for (value=0, j=0; j < 4 && source < fingerprint + fsize; ) {
vb@0
   519
			if (*source >= 'a' && *source <= 'f')
vb@0
   520
				value += (*source - 'a' + 10) << (3 - j++) * 4;
vb@0
   521
			else if (*source >= 'A' && *source <= 'F')
vb@0
   522
				value += (*source - 'A' + 10) << (3 - j++) * 4;
vb@0
   523
			else if (*source >= '0' && *source <= '9')
vb@0
   524
				value += (*source - '0') << (3 - j++) * 4;
vb@0
   525
			
vb@0
   526
			source++;
vb@0
   527
		}
vb@0
   528
vb@0
   529
		_status = safeword(session, value, lang, &word, &_wsize);
vb@0
   530
        if (_status == PEP_OUT_OF_MEMORY) {
vb@0
   531
            free(buffer);
vb@0
   532
            return PEP_OUT_OF_MEMORY;
vb@0
   533
        }
vb@0
   534
		if (word == NULL) {
vb@0
   535
            free(buffer);
vb@0
   536
			return PEP_SAFEWORD_NOT_FOUND;
vb@0
   537
        }
vb@0
   538
vb@0
   539
		if (dest + _wsize < buffer + MAX_SAFEWORDS_SPACE - 1) {
vb@0
   540
			strncpy(dest, word, _wsize);
vb@0
   541
            free(word);
vb@0
   542
			dest += _wsize;
vb@0
   543
		}
vb@0
   544
		else {
vb@0
   545
            free(word);
vb@0
   546
			break; // buffer full
vb@0
   547
        }
vb@0
   548
vb@0
   549
		if (source < fingerprint + fsize
vb@0
   550
                && dest + _wsize < buffer + MAX_SAFEWORDS_SPACE - 1)
vb@0
   551
			*dest++ = ' ';
vb@0
   552
vb@0
   553
		++n_words;
vb@0
   554
		if (max_words && n_words >= max_words)
vb@0
   555
			break;
vb@0
   556
	}
vb@0
   557
vb@0
   558
	*words = buffer;
vb@0
   559
	*wsize = dest - buffer;
vb@0
   560
	return PEP_STATUS_OK;
vb@0
   561
}
vb@0
   562
vb@0
   563
pEp_identity *new_identity(
vb@0
   564
        const char *address, const char *fpr, const char *user_id,
vb@0
   565
        const char *username
vb@0
   566
    )
vb@0
   567
{
vb@0
   568
    pEp_identity *result = calloc(1, sizeof(pEp_identity));
vb@0
   569
    assert(result);
vb@0
   570
    if (result) {
vb@0
   571
        if (address) {
vb@0
   572
            result->address = strdup(address);
vb@0
   573
            assert(result->address);
vb@0
   574
            if (result->address == NULL) {
vb@0
   575
                free(result);
vb@0
   576
                return NULL;
vb@0
   577
            }
vb@0
   578
            result->address_size = strlen(address);
vb@0
   579
        }
vb@0
   580
        if (fpr) {
vb@0
   581
            result->fpr = strdup(fpr);
vb@0
   582
            assert(result->fpr);
vb@0
   583
            if (result->fpr == NULL) {
vb@0
   584
                free_identity(result);
vb@0
   585
                return NULL;
vb@0
   586
            }
vb@0
   587
            result->fpr_size = strlen(fpr);
vb@0
   588
        }
vb@0
   589
        if (user_id) {
vb@0
   590
            result->user_id = strdup(user_id);
vb@0
   591
            assert(result->user_id);
vb@0
   592
            if (result->user_id == NULL) {
vb@0
   593
                free_identity(result);
vb@0
   594
                return NULL;
vb@0
   595
            }
vb@0
   596
            result->user_id_size = strlen(user_id);
vb@0
   597
        }
vb@0
   598
        if (username) {
vb@0
   599
            result->username = strdup(username);
vb@0
   600
            assert(result->username);
vb@0
   601
            if (result->username == NULL) {
vb@0
   602
                free_identity(result);
vb@0
   603
                return NULL;
vb@0
   604
            }
vb@0
   605
            result->username_size = strlen(username);
vb@0
   606
        }
vb@0
   607
        result->struct_size = sizeof(pEp_identity);
vb@0
   608
    }
vb@0
   609
    return result;
vb@0
   610
}
vb@0
   611
vb@37
   612
pEp_identity *identity_dup(const pEp_identity *src)
vb@37
   613
{
vb@37
   614
    assert(src);
vb@37
   615
vb@37
   616
    pEp_identity *dup = new_identity(src->address, src->fpr, src->user_id, src->username);
vb@37
   617
    assert(dup);
vb@37
   618
    if (dup == NULL)
vb@37
   619
        return NULL;
vb@37
   620
    
vb@37
   621
    dup->comm_type = src->comm_type;
vb@37
   622
    dup->lang[0] = src->lang[0];
vb@37
   623
    dup->lang[1] = src->lang[1];
vb@37
   624
    dup->lang[2] = 0;
vb@37
   625
    dup->me = src->me;
vb@37
   626
vb@37
   627
    return dup;
vb@37
   628
}
vb@37
   629
vb@0
   630
void free_identity(pEp_identity *identity)
vb@0
   631
{
vb@0
   632
    if (identity) {
vb@0
   633
        free(identity->address);
vb@0
   634
        free(identity->fpr);
vb@0
   635
        free(identity->user_id);
vb@0
   636
        free(identity->username);
vb@0
   637
        free(identity);
vb@0
   638
    }
vb@0
   639
}
vb@0
   640
vb@0
   641
DYNAMIC_API PEP_STATUS get_identity(
vb@0
   642
        PEP_SESSION session, const char *address,
vb@0
   643
        pEp_identity **identity
vb@0
   644
    )
vb@0
   645
{
vb@0
   646
	PEP_STATUS status = PEP_STATUS_OK;
vb@0
   647
	static pEp_identity *_identity;
vb@0
   648
	int result;
vb@0
   649
	const char *_lang;
vb@0
   650
vb@0
   651
	assert(session);
vb@0
   652
	assert(address);
vb@8
   653
    assert(address[0]);
vb@0
   654
vb@46
   655
    sqlite3_reset(session->get_identity);
vb@46
   656
    sqlite3_bind_text(session->get_identity, 1, address, -1, SQLITE_STATIC);
vb@0
   657
vb@46
   658
    result = sqlite3_step(session->get_identity);
vb@0
   659
	switch (result) {
vb@0
   660
	case SQLITE_ROW:
vb@0
   661
        _identity = new_identity(
vb@0
   662
                address,
vb@46
   663
                (const char *) sqlite3_column_text(session->get_identity, 0),
vb@46
   664
                (const char *) sqlite3_column_text(session->get_identity, 1),
vb@46
   665
                (const char *) sqlite3_column_text(session->get_identity, 2)
vb@0
   666
                );
vb@0
   667
        assert(_identity);
vb@0
   668
        if (_identity == NULL)
vb@0
   669
            return PEP_OUT_OF_MEMORY;
vb@0
   670
vb@46
   671
        _identity->comm_type = (PEP_comm_type) sqlite3_column_int(session->get_identity, 3);
vb@46
   672
        _lang = (const char *) sqlite3_column_text(session->get_identity, 4);
vb@0
   673
        if (_lang && _lang[0]) {
vb@0
   674
			assert(_lang[0] >= 'a' && _lang[0] <= 'z');
vb@0
   675
			assert(_lang[1] >= 'a' && _lang[1] <= 'z');
vb@0
   676
			assert(_lang[2] == 0);
vb@0
   677
			_identity->lang[0] = _lang[0];
vb@0
   678
			_identity->lang[1] = _lang[1];
vb@0
   679
            _identity->lang[2] = 0;
vb@0
   680
		}
vb@0
   681
		*identity = _identity;
vb@0
   682
		break;
vb@0
   683
	default:
vb@0
   684
        status = PEP_CANNOT_FIND_IDENTITY;
vb@0
   685
		*identity = NULL;
vb@0
   686
	}
vb@0
   687
vb@46
   688
    sqlite3_reset(session->get_identity);
vb@0
   689
	return status;
vb@0
   690
}
vb@0
   691
vb@0
   692
DYNAMIC_API PEP_STATUS set_identity(
vb@0
   693
        PEP_SESSION session, const pEp_identity *identity
vb@0
   694
    )
vb@0
   695
{
vb@0
   696
	int result;
vb@0
   697
vb@0
   698
	assert(session);
vb@0
   699
	assert(identity);
vb@0
   700
	assert(identity->address);
vb@0
   701
	assert(identity->fpr);
vb@0
   702
	assert(identity->user_id);
vb@0
   703
	assert(identity->username);
vb@0
   704
vb@46
   705
	sqlite3_exec(session->db, "BEGIN ;", NULL, NULL, NULL);
vb@0
   706
vb@46
   707
	sqlite3_reset(session->set_person);
vb@46
   708
    sqlite3_bind_text(session->set_person, 1, identity->user_id, -1,
vb@0
   709
            SQLITE_STATIC);
vb@46
   710
    sqlite3_bind_text(session->set_person, 2, identity->username, -1,
vb@0
   711
            SQLITE_STATIC);
vb@0
   712
	if (identity->lang[0])
vb@46
   713
        sqlite3_bind_text(session->set_person, 3, identity->lang, 1,
vb@0
   714
                SQLITE_STATIC);
vb@0
   715
	else
vb@46
   716
		sqlite3_bind_null(session->set_person, 3);
vb@46
   717
	result = sqlite3_step(session->set_person);
vb@46
   718
	sqlite3_reset(session->set_person);
vb@0
   719
	if (result != SQLITE_DONE) {
vb@46
   720
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   721
		return PEP_CANNOT_SET_PERSON;
vb@0
   722
	}
vb@0
   723
vb@46
   724
	sqlite3_reset(session->set_pgp_keypair);
vb@46
   725
    sqlite3_bind_text(session->set_pgp_keypair, 1, identity->fpr, -1,
vb@0
   726
            SQLITE_STATIC);
vb@46
   727
	result = sqlite3_step(session->set_pgp_keypair);
vb@46
   728
	sqlite3_reset(session->set_pgp_keypair);
vb@0
   729
	if (result != SQLITE_DONE) {
vb@46
   730
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   731
		return PEP_CANNOT_SET_PGP_KEYPAIR;
vb@0
   732
	}
vb@0
   733
vb@46
   734
	sqlite3_reset(session->set_identity);
vb@46
   735
    sqlite3_bind_text(session->set_identity, 1, identity->address, -1,
vb@0
   736
            SQLITE_STATIC);
vb@46
   737
    sqlite3_bind_text(session->set_identity, 2, identity->fpr, -1,
vb@0
   738
            SQLITE_STATIC);
vb@46
   739
    sqlite3_bind_text(session->set_identity, 3, identity->user_id, -1,
vb@0
   740
            SQLITE_STATIC);
vb@46
   741
	result = sqlite3_step(session->set_identity);
vb@46
   742
	sqlite3_reset(session->set_identity);
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
	sqlite3_reset(session->set_trust);
vb@46
   749
    sqlite3_bind_text(session->set_trust, 1, identity->user_id, -1,
vb@0
   750
            SQLITE_STATIC);
vb@46
   751
    sqlite3_bind_text(session->set_trust, 2, identity->fpr, -1,
vb@0
   752
            SQLITE_STATIC);
vb@46
   753
	sqlite3_bind_int(session->set_trust, 3, identity->comm_type);
vb@46
   754
	result = sqlite3_step(session->set_trust);
vb@46
   755
	sqlite3_reset(session->set_trust);
vb@0
   756
	if (result != SQLITE_DONE) {
vb@46
   757
		sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);
vb@0
   758
		return PEP_CANNOT_SET_IDENTITY;
vb@0
   759
	}
vb@0
   760
vb@46
   761
    result = sqlite3_exec(session->db, "COMMIT ;", NULL, NULL, NULL);
vb@0
   762
	if (result == SQLITE_OK)
vb@0
   763
		return PEP_STATUS_OK;
vb@0
   764
	else
vb@0
   765
		return PEP_COMMIT_FAILED;
vb@0
   766
}
vb@0
   767
vb@0
   768
void pEp_free(void *p)
vb@0
   769
{
vb@0
   770
    free(p);
vb@0
   771
}
vb@0
   772
vb@8
   773
DYNAMIC_API PEP_STATUS get_trust(PEP_SESSION session, pEp_identity *identity)
vb@8
   774
{
vb@8
   775
    PEP_STATUS status = PEP_STATUS_OK;
vb@8
   776
    int result;
vb@8
   777
vb@8
   778
    assert(session);
vb@8
   779
    assert(identity);
vb@8
   780
    assert(identity->user_id);
vb@8
   781
    assert(identity->user_id[0]);
vb@8
   782
    assert(identity->fpr);
vb@8
   783
    assert(identity->fpr[0]);
vb@8
   784
vb@8
   785
    identity->comm_type = PEP_ct_unknown;
vb@8
   786
vb@46
   787
    sqlite3_reset(session->get_trust);
vb@46
   788
    sqlite3_bind_text(session->get_trust, 1, identity->user_id, -1, SQLITE_STATIC);
vb@46
   789
    sqlite3_bind_text(session->get_trust, 2, identity->fpr, -1, SQLITE_STATIC);
vb@8
   790
vb@46
   791
    result = sqlite3_step(session->get_trust);
vb@8
   792
    switch (result) {
vb@8
   793
    case SQLITE_ROW: {
vb@46
   794
        const char * user_id = (const char *) sqlite3_column_text(session->get_trust, 1);
vb@46
   795
        int comm_type = (PEP_comm_type) sqlite3_column_int(session->get_trust, 2);
vb@8
   796
vb@8
   797
        if (strcmp(user_id, identity->user_id) != 0) {
vb@8
   798
            free(identity->user_id);
vb@8
   799
            identity->user_id = strdup(user_id);
vb@8
   800
            assert(identity->user_id);
vb@8
   801
            if (identity->user_id == NULL)
vb@8
   802
                return PEP_OUT_OF_MEMORY;
vb@8
   803
        }
vb@8
   804
        identity->comm_type = comm_type;
vb@8
   805
        break;
vb@8
   806
    }
vb@8
   807
 
vb@8
   808
    default:
vb@8
   809
        status = PEP_CANNOT_FIND_IDENTITY;
vb@8
   810
    }
vb@8
   811
vb@46
   812
    sqlite3_reset(session->get_trust);
vb@8
   813
    return status;
vb@9
   814
}
vb@9
   815
vb@24
   816
DYNAMIC_API PEP_STATUS decrypt_and_verify(
vb@24
   817
    PEP_SESSION session, const char *ctext, size_t csize,
vb@24
   818
    char **ptext, size_t *psize, stringlist_t **keylist
vb@24
   819
    )
vb@24
   820
{
vb@46
   821
    return session->cryptotech[PEP_crypt_OpenPGP].decrypt_and_verify(session, ctext, csize, ptext, psize, keylist);
vb@24
   822
}
vb@24
   823
vb@24
   824
DYNAMIC_API PEP_STATUS encrypt_and_sign(
vb@24
   825
    PEP_SESSION session, const stringlist_t *keylist, const char *ptext,
vb@24
   826
    size_t psize, char **ctext, size_t *csize
vb@24
   827
    )
vb@24
   828
{
vb@46
   829
    return session->cryptotech[PEP_crypt_OpenPGP].encrypt_and_sign(session, keylist, ptext, psize, ctext, csize);
vb@24
   830
}
vb@24
   831
vb@24
   832
DYNAMIC_API PEP_STATUS verify_text(
vb@24
   833
    PEP_SESSION session, const char *text, size_t size,
vb@24
   834
    const char *signature, size_t sig_size, stringlist_t **keylist
vb@24
   835
    )
vb@24
   836
{
vb@46
   837
    return session->cryptotech[PEP_crypt_OpenPGP].verify_text(session, text, size, signature, sig_size, keylist);
vb@24
   838
}
vb@24
   839
vb@24
   840
DYNAMIC_API PEP_STATUS delete_keypair(PEP_SESSION session, const char *fpr)
vb@24
   841
{
vb@46
   842
    return session->cryptotech[PEP_crypt_OpenPGP].delete_keypair(session, fpr);
vb@24
   843
}
vb@24
   844
vb@24
   845
DYNAMIC_API PEP_STATUS export_key(
vb@46
   846
        PEP_SESSION session, const char *fpr, char **key_data, size_t *size
vb@24
   847
    )
vb@24
   848
{
vb@46
   849
    return session->cryptotech[PEP_crypt_OpenPGP].export_key(session, fpr, key_data, size);
vb@24
   850
}
vb@24
   851
vb@24
   852
DYNAMIC_API PEP_STATUS find_keys(
vb@46
   853
        PEP_SESSION session, const char *pattern, stringlist_t **keylist
vb@24
   854
    )
vb@24
   855
{
vb@46
   856
    return session->cryptotech[PEP_crypt_OpenPGP].find_keys(session, pattern, keylist);
vb@24
   857
}
vb@24
   858
vb@24
   859
DYNAMIC_API PEP_STATUS generate_keypair(
vb@46
   860
        PEP_SESSION session, pEp_identity *identity
vb@24
   861
    )
vb@24
   862
{
vb@46
   863
    return session->cryptotech[PEP_crypt_OpenPGP].generate_keypair(session, identity);
vb@24
   864
}
vb@24
   865
vb@9
   866
DYNAMIC_API PEP_STATUS get_key_rating(
vb@46
   867
        PEP_SESSION session,
vb@46
   868
        const char *fpr,
vb@46
   869
        PEP_comm_type *comm_type
vb@9
   870
    )
vb@9
   871
{
vb@46
   872
    return session->cryptotech[PEP_crypt_OpenPGP].get_key_rating(session, fpr, comm_type);
vb@24
   873
}
vb@9
   874
vb@24
   875
DYNAMIC_API PEP_STATUS import_key(PEP_SESSION session, const char *key_data, size_t size)
vb@24
   876
{
vb@46
   877
    return session->cryptotech[PEP_crypt_OpenPGP].import_key(session, key_data, size);
vb@24
   878
}
vb@9
   879
vb@24
   880
DYNAMIC_API PEP_STATUS recv_key(PEP_SESSION session, const char *pattern)
vb@24
   881
{
vb@46
   882
    return session->cryptotech[PEP_crypt_OpenPGP].recv_key(session, pattern);
vb@24
   883
}
vb@9
   884
vb@24
   885
DYNAMIC_API PEP_STATUS send_key(PEP_SESSION session, const char *pattern)
vb@24
   886
{
vb@46
   887
    return session->cryptotech[PEP_crypt_OpenPGP].send_key(session, pattern);
vb@14
   888
}