repos/pEpEngine: src/pEpEngine.c@060272dfaaeb

     1 #include "pEp_internal.h"

     2 #include "dynamic_api.h"

     3 #include "cryptotech.h"

     4 #include "transport.h"

     5 #include "blacklist.h"

     6 #include "sync_fsm.h"

     8 static int init_count = -1;

    10 static int user_version(void *_version, int count, char **text, char **name)

    11 {

    12     assert(_version);

    13     assert(count == 1);

    14     assert(text && text[0]);

    15     if (!(_version && count == 1 && text && text[0]))

    16         return -1;

    18     int *version = (int *) _version;

    19     *version = atoi(text[0]);

    20     return 0;

    21 }

    23 DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)

    24 {

    25     PEP_STATUS status = PEP_STATUS_OK;

    26     int int_result;

    27     static const char *sql_log;

    28     static const char *sql_trustword;

    29     static const char *sql_get_identity;

    30     static const char *sql_set_person;

    31     static const char *sql_set_pgp_keypair;

    32     static const char *sql_set_identity;

    33     static const char *sql_set_identity_flags;

    34     static const char *sql_set_trust;

    35     static const char *sql_get_trust;

    36     static const char *sql_least_trust;

    37     static const char *sql_mark_as_compromized;

    38     static const char *sql_crashdump;

    39     static const char *sql_languagelist;

    40     static const char *sql_i18n_token;

    42     // blacklist

    43     static const char *sql_blacklist_add;

    44     static const char *sql_blacklist_delete;

    45     static const char *sql_blacklist_is_listed;

    46     static const char *sql_blacklist_retrieve;

    48     // Own keys

    49     static const char *sql_own_key_is_listed;

    50     static const char *sql_own_identities_retrieve;

    52     // Sequence

    53     static const char *sql_sequence_value1;

    54     static const char *sql_sequence_value2;

    56     // Revocation tracking

    57     static const char *sql_set_revoked;

    58     static const char *sql_get_revoked;

    60     bool in_first = false;

    62     assert(sqlite3_threadsafe());

    63     if (!sqlite3_threadsafe())

    64         return PEP_INIT_SQLITE3_WITHOUT_MUTEX;

    66     // a little race condition - but still a race condition

    67     // mitigated by calling caveat (see documentation)

    69     ++init_count;

    70     if (init_count == 0)

    71         in_first = true;

    73     assert(session);

    74     if (session == NULL)

    75         return PEP_ILLEGAL_VALUE;

    77     *session = NULL;

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

    80     assert(_session);

    81     if (_session == NULL)

    82         goto enomem;

    84     _session->version = PEP_ENGINE_VERSION;

    86     assert(LOCAL_DB);

    87     if (LOCAL_DB == NULL) {

    88         status = PEP_INIT_CANNOT_OPEN_DB;

    89         goto pep_error;

    90     }

    92     int_result = sqlite3_open_v2(

    93             LOCAL_DB,

    94             &_session->db,

    95             SQLITE_OPEN_READWRITE

    96                 | SQLITE_OPEN_CREATE

    97                 | SQLITE_OPEN_FULLMUTEX

    98                 | SQLITE_OPEN_PRIVATECACHE,

    99             NULL

   100         );

   102     if (int_result != SQLITE_OK) {

   103         status = PEP_INIT_CANNOT_OPEN_DB;

   104         goto pep_error;

   105     }

   107     sqlite3_busy_timeout(_session->db, BUSY_WAIT_TIME);

   109     assert(SYSTEM_DB);

   110     if (SYSTEM_DB == NULL) {

   111         status = PEP_INIT_CANNOT_OPEN_SYSTEM_DB;

   112         goto pep_error;

   113     }

   115     int_result = sqlite3_open_v2(

   116             SYSTEM_DB, &_session->system_db,

   117             SQLITE_OPEN_READONLY

   118                 | SQLITE_OPEN_FULLMUTEX

   119                 | SQLITE_OPEN_SHAREDCACHE,

   120             NULL

   121         );

   123     if (int_result != SQLITE_OK) {

   124         status = PEP_INIT_CANNOT_OPEN_SYSTEM_DB;

   125         goto pep_error;

   126     }

   128     sqlite3_busy_timeout(_session->system_db, 1000);

   130 // increment this when patching DDL

   131 #define _DDL_USER_VERSION "2"

   133     if (in_first) {

   134         int_result = sqlite3_exec(

   135             _session->db,

   136                 "create table version_info (\n"

   137                 "   id integer primary key,\n"

   138                 "   timestamp integer default (datetime('now')) ,\n"

   139                 "   version text,\n"

   140                 "   comment text\n"

   141                 ");\n",

   142                 NULL,

   143                 NULL,

   144                 NULL

   145         );

   146         if (int_result == SQLITE_OK) {

   147             int_result = sqlite3_exec(

   148                 _session->db,

   149                 "pragma user_version = "_DDL_USER_VERSION";\n"

   150                 "insert or replace into version_info (id, version)"

   151                     "values (1, '" PEP_ENGINE_VERSION "');",

   152                 NULL,

   153                 NULL,

   154                 NULL

   155             );

   156             assert(int_result == SQLITE_OK);

   157         }

   159         int_result = sqlite3_exec(

   160             _session->db,

   161                 "PRAGMA application_id = 0x23423423;\n"

   162                 "create table if not exists log (\n"

   163                 "   timestamp integer default (datetime('now')) ,\n"

   164                 "   title text not null,\n"

   165                 "   entity text not null,\n"

   166                 "   description text,\n"

   167                 "   comment text\n"

   168                 ");\n"

   169                 "create index if not exists log_timestamp on log (\n"

   170                 "   timestamp\n"

   171                 ");\n"

   172                 "create table if not exists pgp_keypair (\n"

   173                 "   fpr text primary key,\n"

   174                 "   public_id text unique,\n"

   175                 "   private_id text,\n"

   176                 "   created integer,\n"

   177                 "   expires integer,\n"

   178                 "   comment text,\n"

   179                 "   flags integer default (0)\n"

   180                 ");\n"

   181                 "create index if not exists pgp_keypair_expires on pgp_keypair (\n"

   182                 "   expires\n"

   183                 ");\n"

   184                 "create table if not exists person (\n"

   185                 "   id text primary key,\n"

   186                 "   username text not null,\n"

   187                 "   main_key_id text\n"

   188                 "       references pgp_keypair (fpr)\n"

   189                 "       on delete set null,\n"

   190                 "   lang text,\n"

   191                 "   comment text,\n"

   192                 "   device_group text\n"

   193                 ");\n"

   194                 "create table if not exists identity (\n"

   195                 "   address text,\n"

   196                 "   user_id text\n"

   197                 "       references person (id)\n"

   198                 "       on delete cascade,\n"

   199                 "   main_key_id text\n"

   200                 "       references pgp_keypair (fpr)\n"

   201                 "       on delete set null,\n"

   202                 "   comment text,\n"

   203                 "   flags integer default (0),"

   204                 "   primary key (address, user_id)\n"

   205                 ");\n"

   206                 "create table if not exists trust (\n"

   207                 "   user_id text not null\n"

   208                 "       references person (id)\n"

   209                 "       on delete cascade,\n"

   210                 "   pgp_keypair_fpr text not null\n"

   211                 "       references pgp_keypair (fpr)\n"

   212                 "       on delete cascade,\n"

   213                 "   comm_type integer not null,\n"

   214                 "   comment text,\n"

   215                 "   primary key (user_id, pgp_keypair_fpr)\n"

   216                 ");\n"

   217                 // blacklist

   218                 "create table if not exists blacklist_keys (\n"

   219                 "   fpr text primary key\n"

   220                 ");\n"

   221                 // sequences

   222                 "create table if not exists sequences(\n"

   223                 "   name text primary key,\n"

   224                 "   value integer default 0\n"

   225                 ");\n"

   226                 "create table if not exists revoked_keys (\n"

   227                 "   revoked_fpr text primary key,\n"

   228                 "   replacement_fpr text not null\n"

   229                 "       references pgp_keypair (fpr)\n"

   230                 "       on delete cascade,\n"

   231                 "   revocation_date integer\n"

   232                 ");\n"

   233                 ,

   234             NULL,

   235             NULL,

   236             NULL

   237         );

   238         assert(int_result == SQLITE_OK);

   240         int version;

   241         int_result = sqlite3_exec(

   242             _session->db,

   243             "pragma user_version;",

   244             user_version,

   245             &version,

   246             NULL

   247         );

   248         assert(int_result == SQLITE_OK);

   250         if (version < 1) {

   251             int_result = sqlite3_exec(

   252                 _session->db,

   253                 "alter table identity\n"

   254                 "   add column flags integer default (0);\n",

   255                 NULL,

   256                 NULL,

   257                 NULL

   258             );

   259             assert(int_result == SQLITE_OK);

   260         }

   262         if (version < 2) {

   263             int_result = sqlite3_exec(

   264                 _session->db,

   265                 "alter table pgp_keypair\n"

   266                 "   add column flags integer default (0);\n"

   267                 "alter table person\n"

   268                 "   add column device_group text;\n",

   269                 NULL,

   270                 NULL,

   271                 NULL

   272             );

   273             assert(int_result == SQLITE_OK);

   274         }

   276         if (version < atoi(_DDL_USER_VERSION)) {

   277             int_result = sqlite3_exec(

   278                 _session->db,

   279                 "pragma user_version = "_DDL_USER_VERSION";\n"

   280                 "insert or replace into version_info (id, version)"

   281                     "values (1, '" PEP_ENGINE_VERSION "');",

   282                 NULL,

   283                 NULL,

   284                 NULL

   285             );

   286             assert(int_result == SQLITE_OK);

   287         }

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

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

   292         sql_get_identity =  "select fpr, username, comm_type, lang,"

   293                             "   identity.flags | pgp_keypair.flags"

   294                             "   from identity"

   295                             "   join person on id = identity.user_id"

   296                             "   join pgp_keypair on fpr = identity.main_key_id"

   297                             "   join trust on id = trust.user_id"

   298                             "       and pgp_keypair_fpr = identity.main_key_id"

   299                             "   where address = ?1 and identity.user_id = ?2;";

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

   302                        "and id = ?2 ;";

   304         // Set person, but if already exist, only update.

   305         // if main_key_id already set, don't touch.

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

   307                          "  values (?1, ?2, ?3,"

   308                          "    (select coalesce((select main_key_id from person "

   309                          "      where id = ?1), upper(replace(?4,' ',''))))) ;";

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

   312                               "values (upper(replace(?1,' ',''))) ;";

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

   315                            "user_id, flags) values (?1, upper(replace(?2,' ','')),"

   316                            "?3, ?4 & 255) ;";

   318         sql_set_identity_flags = "update identity set flags = ?1 & 255 "

   319                                  "where address = ?2 and user_id = ?3 ;";

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

   322                         "values (?1, upper(replace(?2,' ','')), ?3) ;";

   324         sql_get_trust = "select comm_type from trust where user_id = ?1 "

   325                         "and pgp_keypair_fpr = upper(replace(?2,' ','')) ;";

   327         sql_least_trust = "select min(comm_type) from trust where pgp_keypair_fpr = upper(replace(?1,' ','')) ;";

   329         sql_mark_as_compromized = "update trust not indexed set comm_type = 15"

   330                                   " where pgp_keypair_fpr = upper(replace(?1,' ','')) ;";

   332         sql_crashdump = "select timestamp, title, entity, description, comment"

   333                         " from log order by timestamp desc limit ?1 ;";

   335         sql_languagelist = "select i18n_language.lang, name, phrase from i18n_language join i18n_token using (lang) where i18n_token.id = 1000;" ;

   337         sql_i18n_token = "select phrase from i18n_token where lang = lower(?1) and id = ?2 ;";

   339         // blacklist

   341         sql_blacklist_add = "insert or replace into blacklist_keys (fpr) values (upper(replace(?1,' ',''))) ;"

   342                             "delete from identity where main_key_id = upper(replace(?1,' ','')) ;"

   343                             "delete from pgp_keypair where fpr = upper(replace(?1,' ','')) ;";

   345         sql_blacklist_delete = "delete from blacklist_keys where fpr = upper(replace(?1,' ','')) ;";

   347         sql_blacklist_is_listed = "select count(*) from blacklist_keys where fpr = upper(replace(?1,' ','')) ;";

   349         sql_blacklist_retrieve = "select * from blacklist_keys ;";

   351         // Own keys

   353         sql_own_key_is_listed =

   354                                 "select count(*) from ("

   355                                 " select main_key_id from person "

   356                                 "   where main_key_id = upper(replace(?1,' ',''))"

   357                                 "    and id = '" PEP_OWN_USERID "' "

   358                                 " union "

   359                                 "  select main_key_id from identity "

   360                                 "   where main_key_id = upper(replace(?1,' ',''))"

   361                                 "    and user_id = '" PEP_OWN_USERID "' );";

   363         sql_own_identities_retrieve =  "select address, fpr, username, '" PEP_OWN_USERID "',"

   364                             "   comm_type, lang, identity.flags | pgp_keypair.flags"

   365                             "   from identity"

   366                             "   join person on id = identity.user_id"

   367                             "   join pgp_keypair on fpr = identity.main_key_id"

   368                             "   join trust on id = trust.user_id"

   369                             "       and pgp_keypair_fpr = identity.main_key_id"

   370                             "   where identity.user_id = '" PEP_OWN_USERID "';";

   372         sql_sequence_value1 = "insert or replace into sequences (name, value) "

   373                               "values (?1, "

   374                               "(select coalesce((select value + 1 from sequences "

   375                               "where name = ?1), 1 ))) ; ";

   376         sql_sequence_value2 = "select value from sequences where name = ?1 ;";

   378         sql_set_revoked =     "insert or replace into revoked_keys ("

   379                               "    revoked_fpr, replacement_fpr, revocation_date) "

   380                               "values (upper(replace(?1,' ','')),"

   381                               "        upper(replace(?2,' ','')),"

   382                               "        ?3) ;";

   384         sql_get_revoked =     "select revoked_fpr, revocation_date from revoked_keys"

   385                               "    where replacement_fpr = upper(replace(?1,' ','')) ;";

   386     }

   388     int_result = sqlite3_prepare_v2(_session->db, sql_log,

   389             (int)strlen(sql_log), &_session->log, NULL);

   390     assert(int_result == SQLITE_OK);

   392     int_result = sqlite3_prepare_v2(_session->system_db, sql_trustword,

   393             (int)strlen(sql_trustword), &_session->trustword, NULL);

   394     assert(int_result == SQLITE_OK);

   396     int_result = sqlite3_prepare_v2(_session->db, sql_get_identity,

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

   398     assert(int_result == SQLITE_OK);

   400     int_result = sqlite3_prepare_v2(_session->db, sql_set_person,

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

   402     assert(int_result == SQLITE_OK);

   404     int_result = sqlite3_prepare_v2(_session->db, sql_set_pgp_keypair,

   405             (int)strlen(sql_set_pgp_keypair), &_session->set_pgp_keypair,

   406             NULL);

   407     assert(int_result == SQLITE_OK);

   409     int_result = sqlite3_prepare_v2(_session->db, sql_set_identity,

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

   411     assert(int_result == SQLITE_OK);

   413     int_result = sqlite3_prepare_v2(_session->db, sql_set_identity_flags,

   414             (int)strlen(sql_set_identity_flags), &_session->set_identity_flags,

   415             NULL);

   416     assert(int_result == SQLITE_OK);

   418     int_result = sqlite3_prepare_v2(_session->db, sql_set_trust,

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

   420     assert(int_result == SQLITE_OK);

   422     int_result = sqlite3_prepare_v2(_session->db, sql_get_trust,

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

   424     assert(int_result == SQLITE_OK);

   426     int_result = sqlite3_prepare_v2(_session->db, sql_least_trust,

   427             (int)strlen(sql_least_trust), &_session->least_trust, NULL);

   428     assert(int_result == SQLITE_OK);

   430     int_result = sqlite3_prepare_v2(_session->db, sql_mark_as_compromized,

   431             (int)strlen(sql_mark_as_compromized), &_session->mark_compromized,

   432             NULL);

   433     assert(int_result == SQLITE_OK);

   435     int_result = sqlite3_prepare_v2(_session->db, sql_crashdump,

   436             (int)strlen(sql_crashdump), &_session->crashdump, NULL);

   437     assert(int_result == SQLITE_OK);

   439     int_result = sqlite3_prepare_v2(_session->system_db, sql_languagelist,

   440             (int)strlen(sql_languagelist), &_session->languagelist, NULL);

   441     assert(int_result == SQLITE_OK);

   443     int_result = sqlite3_prepare_v2(_session->system_db, sql_i18n_token,

   444             (int)strlen(sql_i18n_token), &_session->i18n_token, NULL);

   445     assert(int_result == SQLITE_OK);

   447     // blacklist

   449     int_result = sqlite3_prepare_v2(_session->db, sql_blacklist_add,

   450             (int)strlen(sql_blacklist_add), &_session->blacklist_add, NULL);

   451     assert(int_result == SQLITE_OK);

   453     int_result = sqlite3_prepare_v2(_session->db, sql_blacklist_delete,

   454             (int)strlen(sql_blacklist_delete), &_session->blacklist_delete,

   455             NULL);

   456     assert(int_result == SQLITE_OK);

   458     int_result = sqlite3_prepare_v2(_session->db, sql_blacklist_is_listed,

   459             (int)strlen(sql_blacklist_is_listed),

   460             &_session->blacklist_is_listed, NULL);

   461     assert(int_result == SQLITE_OK);

   463     int_result = sqlite3_prepare_v2(_session->db, sql_blacklist_retrieve,

   464             (int)strlen(sql_blacklist_retrieve), &_session->blacklist_retrieve,

   465             NULL);

   466     assert(int_result == SQLITE_OK);

   468     // Own keys

   470     int_result = sqlite3_prepare_v2(_session->db, sql_own_key_is_listed,

   471             (int)strlen(sql_own_key_is_listed), &_session->own_key_is_listed,

   472             NULL);

   473     assert(int_result == SQLITE_OK);

   475     int_result = sqlite3_prepare_v2(_session->db, sql_own_identities_retrieve,

   476             (int)strlen(sql_own_identities_retrieve),

   477             &_session->own_identities_retrieve, NULL);

   478     assert(int_result == SQLITE_OK);

   480     // Sequence

   482     int_result = sqlite3_prepare_v2(_session->db, sql_sequence_value1,

   483             (int)strlen(sql_sequence_value1), &_session->sequence_value1,

   484             NULL);

   485     assert(int_result == SQLITE_OK);

   487     int_result = sqlite3_prepare_v2(_session->db, sql_sequence_value2,

   488             (int)strlen(sql_sequence_value2), &_session->sequence_value2,

   489             NULL);

   490     assert(int_result == SQLITE_OK);

   492     // Revocation tracking

   494     int_result = sqlite3_prepare_v2(_session->db, sql_set_revoked,

   495             (int)strlen(sql_set_revoked), &_session->set_revoked, NULL);

   496     assert(int_result == SQLITE_OK);

   498     int_result = sqlite3_prepare_v2(_session->db, sql_get_revoked,

   499             (int)strlen(sql_get_revoked), &_session->get_revoked, NULL);

   500     assert(int_result == SQLITE_OK);

   502     status = init_cryptotech(_session, in_first);

   503     if (status != PEP_STATUS_OK)

   504         goto pep_error;

   506     status = init_transport_system(_session, in_first);

   507     if (status != PEP_STATUS_OK)

   508         goto pep_error;

   510     status = log_event(_session, "init", "pEp " PEP_ENGINE_VERSION, NULL, NULL);

   511     if (status != PEP_STATUS_OK)

   512         goto pep_error;

   514     // runtime config

   516     _session->passive_mode = false;

   517     _session->unencrypted_subject = false;

   518 #ifdef ANDROID

   519     _session->use_only_own_private_keys = true;

   520 #elif TARGET_OS_IPHONE

   521     _session->use_only_own_private_keys = true;

   522 #else

   523     _session->use_only_own_private_keys = false;

   524 #endif

   526     *session = _session;

   527     return PEP_STATUS_OK;

   529 enomem:

   530     status = PEP_OUT_OF_MEMORY;

   532 pep_error:

   533     release(_session);

   534     return status;

   535 }

   537 DYNAMIC_API void release(PEP_SESSION session)

   538 {

   539     bool out_last = false;

   541     assert(init_count >= 0);

   542     assert(session);

   544     if (!((init_count >= 0) && session))

   545         return;

   547     // a small race condition but still a race condition

   548     // mitigated by calling caveat (see documentation)

   550     if (init_count == 0)

   551         out_last = true;

   552     --init_count;

   554     if (session) {

   555         if (session->db) {

   556             if (session->log)

   557                 sqlite3_finalize(session->log);

   558             if (session->trustword)

   559                 sqlite3_finalize(session->trustword);

   560             if (session->get_identity)

   561                 sqlite3_finalize(session->get_identity);

   562             if (session->set_person)

   563                 sqlite3_finalize(session->set_person);

   564             if (session->set_pgp_keypair)

   565                 sqlite3_finalize(session->set_pgp_keypair);

   566             if (session->set_identity)

   567                 sqlite3_finalize(session->set_identity);

   568             if (session->set_identity_flags)

   569                 sqlite3_finalize(session->set_identity_flags);

   570             if (session->set_trust)

   571                 sqlite3_finalize(session->set_trust);

   572             if (session->get_trust)

   573                 sqlite3_finalize(session->get_trust);

   574             if (session->least_trust)

   575                 sqlite3_finalize(session->least_trust);

   576             if (session->mark_compromized)

   577                 sqlite3_finalize(session->mark_compromized);

   578             if (session->crashdump)

   579                 sqlite3_finalize(session->crashdump);

   580             if (session->languagelist)

   581                 sqlite3_finalize(session->languagelist);

   582             if (session->i18n_token)

   583                 sqlite3_finalize(session->i18n_token);

   584             if (session->blacklist_add)

   585                 sqlite3_finalize(session->blacklist_add);

   586             if (session->blacklist_delete)

   587                 sqlite3_finalize(session->blacklist_delete);

   588             if (session->blacklist_is_listed)

   589                 sqlite3_finalize(session->blacklist_is_listed);

   590             if (session->blacklist_retrieve)

   591                 sqlite3_finalize(session->blacklist_retrieve);

   593             if (session->db)

   594                 sqlite3_close_v2(session->db);

   595             if (session->system_db)

   596                 sqlite3_close_v2(session->system_db);

   597         }

   599         release_transport_system(session, out_last);

   600         release_cryptotech(session, out_last);

   602         free(session);

   603     }

   604 }

   606 DYNAMIC_API void config_passive_mode(PEP_SESSION session, bool enable)

   607 {

   608     assert(session);

   609     session->passive_mode = enable;

   610 }

   612 DYNAMIC_API void config_unencrypted_subject(PEP_SESSION session, bool enable)

   613 {

   614     assert(session);

   615     session->unencrypted_subject = enable;

   616 }

   618 DYNAMIC_API void config_use_only_own_private_keys(PEP_SESSION session,

   619         bool enable)

   620 {

   621     assert(session);

   622     session->use_only_own_private_keys = enable;

   623 }

   625 DYNAMIC_API PEP_STATUS log_event(

   626         PEP_SESSION session,

   627         const char *title,

   628         const char *entity,

   629         const char *description,

   630         const char *comment

   631     )

   632 {

   633     PEP_STATUS status = PEP_STATUS_OK;

   634     int result;

   636     assert(session);

   637     assert(title);

   638     assert(entity);

   640     if (!(session && title && entity))

   641         return PEP_ILLEGAL_VALUE;

   643     sqlite3_reset(session->log);

   644     sqlite3_bind_text(session->log, 1, title, -1, SQLITE_STATIC);

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

   646     if (description)

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

   648     else

   649         sqlite3_bind_null(session->log, 3);

   650     if (comment)

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

   652     else

   653         sqlite3_bind_null(session->log, 4);

   654     do {

   655         result = sqlite3_step(session->log);

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

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

   658             status = PEP_UNKNOWN_ERROR;

   659     } while (result == SQLITE_BUSY);

   660     sqlite3_reset(session->log);

   662     return status;

   663 }

   665 DYNAMIC_API PEP_STATUS trustword(

   666             PEP_SESSION session, uint16_t value, const char *lang,

   667             char **word, size_t *wsize

   668         )

   669 {

   670     PEP_STATUS status = PEP_STATUS_OK;

   672     assert(session);

   673     assert(word);

   674     assert(wsize);

   676     if (!(session && word && wsize))

   677         return PEP_ILLEGAL_VALUE;

   679     *word = NULL;

   680     *wsize = 0;

   682     if (lang == NULL)

   683         lang = "en";

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

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

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

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

   689     assert(lang[2] == 0);

   691     sqlite3_reset(session->trustword);

   692     sqlite3_bind_text(session->trustword, 1, lang, -1, SQLITE_STATIC);

   693     sqlite3_bind_int(session->trustword, 2, value);

   695     const int result = sqlite3_step(session->trustword);

   696     if (result == SQLITE_ROW) {

   697         *word = strdup((const char *) sqlite3_column_text(session->trustword,

   698                     1));

   699         if (*word)

   700             *wsize = sqlite3_column_bytes(session->trustword, 1);

   701         else

   702             status = PEP_OUT_OF_MEMORY;

   703     } else

   704         status = PEP_TRUSTWORD_NOT_FOUND;

   706     sqlite3_reset(session->trustword);

   707     return status;

   708 }

   710 DYNAMIC_API PEP_STATUS trustwords(

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

   712         char **words, size_t *wsize, int max_words

   713     )

   714 {

   715     const char *source = fingerprint;

   716     char *buffer;

   717     char *dest;

   718     size_t fsize;

   720     assert(session);

   721     assert(fingerprint);

   722     assert(words);

   723     assert(wsize);

   724     assert(max_words >= 0);

   726     if (!(session && fingerprint && words && wsize && max_words >= 0))

   727         return PEP_ILLEGAL_VALUE;

   729     *words = NULL;

   730     *wsize = 0;

   732     buffer = calloc(1, MAX_TRUSTWORDS_SPACE);

   733     assert(buffer);

   734     if (buffer == NULL)

   735         return PEP_OUT_OF_MEMORY;

   736     dest = buffer;

   738     fsize = strlen(fingerprint);

   740     if (!lang || !lang[0])

   741         lang = "en";

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

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

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

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

   747     assert(lang[2] == 0);

   749     int n_words = 0;

   750     while (source < fingerprint + fsize) {

   751         PEP_STATUS _status;

   752         uint16_t value;

   753         char *word;

   754         size_t _wsize;

   755         int j;

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

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

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

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

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

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

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

   765             source++;

   766         }

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

   769         if (_status == PEP_OUT_OF_MEMORY) {

   770             free(buffer);

   771             return PEP_OUT_OF_MEMORY;

   772         }

   773         if (word == NULL) {

   774             free(buffer);

   775             return PEP_TRUSTWORD_NOT_FOUND;

   776         }

   778         if (dest + _wsize < buffer + MAX_TRUSTWORDS_SPACE - 1) {

   779             strncpy(dest, word, _wsize);

   780             free(word);

   781             dest += _wsize;

   782         }

   783         else {

   784             free(word);

   785             break; // buffer full

   786         }

   788         if (source < fingerprint + fsize

   789                 && dest + _wsize < buffer + MAX_TRUSTWORDS_SPACE - 1)

   790             *dest++ = ' ';

   792         ++n_words;

   793         if (max_words && n_words >= max_words)

   794             break;

   795     }

   797     *words = buffer;

   798     *wsize = dest - buffer;

   799     return PEP_STATUS_OK;

   800 }

   802 pEp_identity *new_identity(

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

   804         const char *username

   805     )

   806 {

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

   808     assert(result);

   809     if (result) {

   810         if (address) {

   811             result->address = strdup(address);

   812             assert(result->address);

   813             if (result->address == NULL) {

   814                 free(result);

   815                 return NULL;

   816             }

   817         }

   818         if (fpr) {

   819             result->fpr = strdup(fpr);

   820             assert(result->fpr);

   821             if (result->fpr == NULL) {

   822                 free_identity(result);

   823                 return NULL;

   824             }

   825         }

   826         if (user_id) {

   827             result->user_id = strdup(user_id);

   828             assert(result->user_id);

   829             if (result->user_id == NULL) {

   830                 free_identity(result);

   831                 return NULL;

   832             }

   833         }

   834         if (username) {

   835             result->username = strdup(username);

   836             assert(result->username);

   837             if (result->username == NULL) {

   838                 free_identity(result);

   839                 return NULL;

   840             }

   841         }

   842     }

   843     return result;

   844 }

   846 pEp_identity *identity_dup(const pEp_identity *src)

   847 {

   848     assert(src);

   850     pEp_identity *dup = new_identity(src->address, src->fpr, src->user_id,

   851             src->username);

   852     assert(dup);

   853     if (dup == NULL)

   854         return NULL;

   856     dup->comm_type = src->comm_type;

   857     dup->lang[0] = src->lang[0];

   858     dup->lang[1] = src->lang[1];

   859     dup->lang[2] = 0;

   860     dup->me = src->me;

   861     dup->flags = src->flags;

   863     return dup;

   864 }

   866 void free_identity(pEp_identity *identity)

   867 {

   868     if (identity) {

   869         free(identity->address);

   870         free(identity->fpr);

   871         free(identity->user_id);

   872         free(identity->username);

   873         free(identity);

   874     }

   875 }

   877 DYNAMIC_API PEP_STATUS get_identity(

   878         PEP_SESSION session,

   879         const char *address,

   880         const char *user_id,

   881         pEp_identity **identity

   882     )

   883 {

   884     PEP_STATUS status = PEP_STATUS_OK;

   885     static pEp_identity *_identity;

   887     assert(session);

   888     assert(address);

   889     assert(address[0]);

   890     assert(identity);

   892     if (!(session && address && address[0] && identity))

   893         return PEP_ILLEGAL_VALUE;

   895     *identity = NULL;

   897     sqlite3_reset(session->get_identity);

   898     sqlite3_bind_text(session->get_identity, 1, address, -1, SQLITE_STATIC);

   899     sqlite3_bind_text(session->get_identity, 2, user_id, -1, SQLITE_STATIC);

   901     const int result = sqlite3_step(session->get_identity);

   902     switch (result) {

   903     case SQLITE_ROW:

   904         _identity = new_identity(

   905                 address,

   906                 (const char *) sqlite3_column_text(session->get_identity, 0),

   907                 user_id,

   908                 (const char *) sqlite3_column_text(session->get_identity, 1)

   909                 );

   910         assert(_identity);

   911         if (_identity == NULL)

   912             return PEP_OUT_OF_MEMORY;

   914         _identity->comm_type = (PEP_comm_type)

   915             sqlite3_column_int(session->get_identity, 2);

   916         const char* const _lang = (const char *)

   917             sqlite3_column_text(session->get_identity, 3);

   918         if (_lang && _lang[0]) {

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

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

   921             assert(_lang[2] == 0);

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

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

   924             _identity->lang[2] = 0;

   925         }

   926         _identity->flags = (unsigned int)

   927             sqlite3_column_int(session->get_identity, 4);

   928         *identity = _identity;

   929         break;

   930     default:

   931         status = PEP_CANNOT_FIND_IDENTITY;

   932         *identity = NULL;

   933     }

   935     sqlite3_reset(session->get_identity);

   936     return status;

   937 }

   939 DYNAMIC_API PEP_STATUS set_identity(

   940         PEP_SESSION session, const pEp_identity *identity

   941     )

   942 {

   943     int result;

   945     assert(session);

   946     assert(identity);

   947     assert(identity->address);

   948     assert(identity->fpr);

   949     assert(identity->user_id);

   950     assert(identity->username);

   952     if (!(session && identity && identity->address && identity->fpr &&

   953                 identity->user_id && identity->username))

   954         return PEP_ILLEGAL_VALUE;

   956     bool listed;

   957     PEP_STATUS status = blacklist_is_listed(session, identity->fpr, &listed);

   958     assert(status == PEP_STATUS_OK);

   959     if (status != PEP_STATUS_OK)

   960         return status;

   962     if (listed)

   963         return PEP_KEY_BLACKLISTED;

   965     sqlite3_exec(session->db, "BEGIN ;", NULL, NULL, NULL);

   967     sqlite3_reset(session->set_person);

   968     sqlite3_bind_text(session->set_person, 1, identity->user_id, -1,

   969             SQLITE_STATIC);

   970     sqlite3_bind_text(session->set_person, 2, identity->username, -1,

   971             SQLITE_STATIC);

   972     if (identity->lang[0])

   973         sqlite3_bind_text(session->set_person, 3, identity->lang, 1,

   974                 SQLITE_STATIC);

   975     else

   976         sqlite3_bind_null(session->set_person, 3);

   977     sqlite3_bind_text(session->set_person, 4, identity->fpr, -1,

   978                       SQLITE_STATIC);

   979     result = sqlite3_step(session->set_person);

   980     sqlite3_reset(session->set_person);

   981     if (result != SQLITE_DONE) {

   982         sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);

   983         return PEP_CANNOT_SET_PERSON;

   984     }

   986     sqlite3_reset(session->set_pgp_keypair);

   987     sqlite3_bind_text(session->set_pgp_keypair, 1, identity->fpr, -1,

   988             SQLITE_STATIC);

   989     result = sqlite3_step(session->set_pgp_keypair);

   990     sqlite3_reset(session->set_pgp_keypair);

   991     if (result != SQLITE_DONE) {

   992         sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);

   993         return PEP_CANNOT_SET_PGP_KEYPAIR;

   994     }

   996     sqlite3_reset(session->set_identity);

   997     sqlite3_bind_text(session->set_identity, 1, identity->address, -1,

   998             SQLITE_STATIC);

   999     sqlite3_bind_text(session->set_identity, 2, identity->fpr, -1,

  1000             SQLITE_STATIC);

  1001     sqlite3_bind_text(session->set_identity, 3, identity->user_id, -1,

  1002             SQLITE_STATIC);

  1003     sqlite3_bind_int(session->set_identity, 4, identity->flags);

  1004     result = sqlite3_step(session->set_identity);

  1005     sqlite3_reset(session->set_identity);

  1006     if (result != SQLITE_DONE) {

  1007         sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);

  1008         return PEP_CANNOT_SET_IDENTITY;

  1009     }

  1011     sqlite3_reset(session->set_trust);

  1012     sqlite3_bind_text(session->set_trust, 1, identity->user_id, -1,

  1013             SQLITE_STATIC);

  1014     sqlite3_bind_text(session->set_trust, 2, identity->fpr, -1,

  1015             SQLITE_STATIC);

  1016     sqlite3_bind_int(session->set_trust, 3, identity->comm_type);

  1017     result = sqlite3_step(session->set_trust);

  1018     sqlite3_reset(session->set_trust);

  1019     if (result != SQLITE_DONE) {

  1020         sqlite3_exec(session->db, "ROLLBACK ;", NULL, NULL, NULL);

  1021         return PEP_CANNOT_SET_TRUST;

  1022     }

  1024     result = sqlite3_exec(session->db, "COMMIT ;", NULL, NULL, NULL);

  1025     if (result == SQLITE_OK)

  1026         return PEP_STATUS_OK;

  1027     else

  1028         return PEP_COMMIT_FAILED;

  1029 }

  1031 DYNAMIC_API PEP_STATUS set_identity_flags(

  1032         PEP_SESSION session,

  1033         pEp_identity *identity,

  1034         unsigned int flags

  1035     )

  1036 {

  1037     int result;

  1039     assert(session);

  1040     assert(identity);

  1041     assert(identity->address);

  1042     assert(identity->user_id);

  1044     if (!(session && identity && identity->address && identity->user_id))

  1045         return PEP_ILLEGAL_VALUE;

  1047     sqlite3_reset(session->set_identity_flags);

  1048     sqlite3_bind_int(session->set_identity_flags, 1, flags);

  1049     sqlite3_bind_text(session->set_identity_flags, 2, identity->address, -1,

  1050             SQLITE_STATIC);

  1051     sqlite3_bind_text(session->set_identity_flags, 3, identity->user_id, -1,

  1052             SQLITE_STATIC);

  1053     result = sqlite3_step(session->set_identity_flags);

  1054     sqlite3_reset(session->set_identity_flags);

  1055     if (result != SQLITE_DONE)

  1056         return PEP_CANNOT_SET_IDENTITY;

  1058     identity->flags = flags;

  1059     return PEP_STATUS_OK;

  1060 }

  1062 DYNAMIC_API PEP_STATUS mark_as_compromized(

  1063         PEP_SESSION session,

  1064         const char *fpr

  1065     )

  1066 {

  1067     int result;

  1069     assert(session);

  1070     assert(fpr && fpr[0]);

  1072     if (!(session && fpr && fpr[0]))

  1073         return PEP_ILLEGAL_VALUE;

  1075     sqlite3_reset(session->mark_compromized);

  1076     sqlite3_bind_text(session->mark_compromized, 1, fpr, -1,

  1077             SQLITE_STATIC);

  1078     result = sqlite3_step(session->mark_compromized);

  1079     sqlite3_reset(session->mark_compromized);

  1081     if (result != SQLITE_DONE)

  1082         return PEP_CANNOT_SET_TRUST;

  1084     return PEP_STATUS_OK;

  1085 }

  1087 void pEp_free(void *p)

  1088 {

  1089     free(p);

  1090 }

  1092 DYNAMIC_API PEP_STATUS get_trust(PEP_SESSION session, pEp_identity *identity)

  1093 {

  1094     PEP_STATUS status = PEP_STATUS_OK;

  1095     int result;

  1097     assert(session);

  1098     assert(identity);

  1099     assert(identity->user_id);

  1100     assert(identity->user_id[0]);

  1101     assert(identity->fpr);

  1102     assert(identity->fpr[0]);

  1104     if (!(session && identity && identity->user_id && identity->user_id[0] &&

  1105                 identity->fpr && identity->fpr[0]))

  1106         return PEP_ILLEGAL_VALUE;

  1108     identity->comm_type = PEP_ct_unknown;

  1110     sqlite3_reset(session->get_trust);

  1111     sqlite3_bind_text(session->get_trust, 1, identity->user_id, -1,

  1112             SQLITE_STATIC);

  1113     sqlite3_bind_text(session->get_trust, 2, identity->fpr, -1, SQLITE_STATIC);

  1115     result = sqlite3_step(session->get_trust);

  1116     switch (result) {

  1117     case SQLITE_ROW: {

  1118         int comm_type = (PEP_comm_type) sqlite3_column_int(session->get_trust,

  1119                 0);

  1120         identity->comm_type = comm_type;

  1121         break;

  1122     }

  1124     default:

  1125         status = PEP_CANNOT_FIND_IDENTITY;

  1126     }

  1128     sqlite3_reset(session->get_trust);

  1129     return status;

  1130 }

  1132 DYNAMIC_API PEP_STATUS least_trust(

  1133         PEP_SESSION session,

  1134         const char *fpr,

  1135         PEP_comm_type *comm_type

  1136     )

  1137 {

  1138     PEP_STATUS status = PEP_STATUS_OK;

  1139     int result;

  1141     assert(session);

  1142     assert(fpr);

  1143     assert(comm_type);

  1145     if (!(session && fpr && comm_type))

  1146         return PEP_ILLEGAL_VALUE;

  1148     *comm_type = PEP_ct_unknown;

  1150     sqlite3_reset(session->least_trust);

  1151     sqlite3_bind_text(session->least_trust, 1, fpr, -1, SQLITE_STATIC);

  1153     result = sqlite3_step(session->least_trust);

  1154     switch (result) {

  1155         case SQLITE_ROW: {

  1156             int _comm_type = sqlite3_column_int(session->least_trust, 0);

  1157             *comm_type = (PEP_comm_type) _comm_type;

  1158             break;

  1159         }

  1160         default:

  1161             status = PEP_CANNOT_FIND_IDENTITY;

  1162     }

  1164     sqlite3_reset(session->least_trust);

  1165     return status;

  1166 }

  1168 DYNAMIC_API PEP_STATUS decrypt_and_verify(

  1169     PEP_SESSION session, const char *ctext, size_t csize,

  1170     char **ptext, size_t *psize, stringlist_t **keylist

  1171     )

  1172 {

  1173     assert(session);

  1174     assert(ctext);

  1175     assert(csize);

  1176     assert(ptext);

  1177     assert(psize);

  1178     assert(keylist);

  1180     if (!(session && ctext && csize && ptext && psize && keylist))

  1181         return PEP_ILLEGAL_VALUE;

  1183     return session->cryptotech[PEP_crypt_OpenPGP].decrypt_and_verify(

  1184             session, ctext, csize, ptext, psize, keylist);

  1185 }

  1187 DYNAMIC_API PEP_STATUS encrypt_and_sign(

  1188     PEP_SESSION session, const stringlist_t *keylist, const char *ptext,

  1189     size_t psize, char **ctext, size_t *csize

  1190     )

  1191 {

  1192     assert(session);

  1193     assert(keylist);

  1194     assert(ptext);

  1195     assert(psize);

  1196     assert(ctext);

  1197     assert(csize);

  1199     if (!(session && keylist && ptext && psize && ctext && csize))

  1200         return PEP_ILLEGAL_VALUE;

  1202     return session->cryptotech[PEP_crypt_OpenPGP].encrypt_and_sign(session,

  1203             keylist, ptext, psize, ctext, csize);

  1204 }

  1206 DYNAMIC_API PEP_STATUS verify_text(

  1207     PEP_SESSION session, const char *text, size_t size,

  1208     const char *signature, size_t sig_size, stringlist_t **keylist

  1209     )

  1210 {

  1211     assert(session);

  1212     assert(text);

  1213     assert(size);

  1214     assert(signature);

  1215     assert(sig_size);

  1216     assert(keylist);

  1218     if (!(session && text && size && signature && sig_size && keylist))

  1219         return PEP_ILLEGAL_VALUE;

  1221     return session->cryptotech[PEP_crypt_OpenPGP].verify_text(session, text,

  1222             size, signature, sig_size, keylist);

  1223 }

  1225 DYNAMIC_API PEP_STATUS delete_keypair(PEP_SESSION session, const char *fpr)

  1226 {

  1227     assert(session);

  1228     assert(fpr);

  1230     if (!(session && fpr))

  1231         return PEP_ILLEGAL_VALUE;

  1233     return session->cryptotech[PEP_crypt_OpenPGP].delete_keypair(session, fpr);

  1234 }

  1236 DYNAMIC_API PEP_STATUS export_key(

  1237         PEP_SESSION session, const char *fpr, char **key_data, size_t *size

  1238     )

  1239 {

  1240     assert(session);

  1241     assert(fpr);

  1242     assert(key_data);

  1243     assert(size);

  1245     if (!(session && fpr && key_data && size))

  1246         return PEP_ILLEGAL_VALUE;

  1248     return session->cryptotech[PEP_crypt_OpenPGP].export_key(session, fpr,

  1249             key_data, size);

  1250 }

  1252 DYNAMIC_API PEP_STATUS find_keys(

  1253         PEP_SESSION session, const char *pattern, stringlist_t **keylist

  1254     )

  1255 {

  1256     assert(session);

  1257     assert(pattern);

  1258     assert(keylist);

  1260     if (!(session && pattern && keylist))

  1261         return PEP_ILLEGAL_VALUE;

  1263     return session->cryptotech[PEP_crypt_OpenPGP].find_keys(session, pattern,

  1264             keylist);

  1265 }

  1267 DYNAMIC_API PEP_STATUS generate_keypair(

  1268         PEP_SESSION session, pEp_identity *identity

  1269     )

  1270 {

  1271     assert(session);

  1272     assert(identity);

  1273     assert(identity->address);

  1274     assert(identity->fpr == NULL || identity->fpr[0] == 0);

  1275     assert(identity->username);

  1277     if (!(session && identity && identity->address &&

  1278             (identity->fpr == NULL || identity->fpr[0] == 0) &&

  1279             identity->username))

  1280         return PEP_ILLEGAL_VALUE;

  1282     PEP_STATUS status =

  1283         session->cryptotech[PEP_crypt_OpenPGP].generate_keypair(session,

  1284                 identity);

  1285     if (status != PEP_STATUS_OK)

  1286         return status;

  1288     // if a state machine for keysync is in place, inject notify

  1289     if (session->sync_state != DeviceState_state_NONE)

  1290         status = fsm_DeviceState_inject(session, KeyGen, NULL, NULL);

  1292     return status;

  1293 }

  1295 DYNAMIC_API PEP_STATUS get_key_rating(

  1296         PEP_SESSION session,

  1297         const char *fpr,

  1298         PEP_comm_type *comm_type

  1299     )

  1300 {

  1301     assert(session);

  1302     assert(fpr);

  1303     assert(comm_type);

  1305     if (!(session && fpr && comm_type))

  1306         return PEP_ILLEGAL_VALUE;

  1308     return session->cryptotech[PEP_crypt_OpenPGP].get_key_rating(session, fpr,

  1309             comm_type);

  1310 }

  1312 DYNAMIC_API PEP_STATUS import_key(

  1313         PEP_SESSION session,

  1314         const char *key_data,

  1315         size_t size,

  1316         identity_list **private_keys

  1317     )

  1318 {

  1319     assert(session);

  1320     assert(key_data);

  1322     if (!(session && key_data))

  1323         return PEP_ILLEGAL_VALUE;

  1325     return session->cryptotech[PEP_crypt_OpenPGP].import_key(session, key_data,

  1326             size, private_keys);

  1327 }

  1329 DYNAMIC_API PEP_STATUS recv_key(PEP_SESSION session, const char *pattern)

  1330 {

  1331     assert(session);

  1332     assert(pattern);

  1334     if (!(session && pattern))

  1335         return PEP_ILLEGAL_VALUE;

  1337     return session->cryptotech[PEP_crypt_OpenPGP].recv_key(session, pattern);

  1338 }

  1340 DYNAMIC_API PEP_STATUS send_key(PEP_SESSION session, const char *pattern)

  1341 {

  1342     assert(session);

  1343     assert(pattern);

  1345     if (!(session && pattern))

  1346         return PEP_ILLEGAL_VALUE;

  1348     return session->cryptotech[PEP_crypt_OpenPGP].send_key(session, pattern);

  1349 }

  1351 DYNAMIC_API PEP_STATUS renew_key(

  1352         PEP_SESSION session,

  1353         const char *fpr,

  1354         const timestamp *ts

  1355     )

  1356 {

  1357     assert(session);

  1358     assert(fpr);

  1360     if (!(session && fpr))

  1361         return PEP_ILLEGAL_VALUE;

  1363     return session->cryptotech[PEP_crypt_OpenPGP].renew_key(session, fpr, ts);

  1364 }

  1366 DYNAMIC_API PEP_STATUS revoke_key(

  1367         PEP_SESSION session,

  1368         const char *fpr,

  1369         const char *reason

  1370     )

  1371 {

  1372     assert(session);

  1373     assert(fpr);

  1375     if (!(session && fpr))

  1376         return PEP_ILLEGAL_VALUE;

  1378     return session->cryptotech[PEP_crypt_OpenPGP].revoke_key(session, fpr,

  1379             reason);

  1380 }

  1382 DYNAMIC_API PEP_STATUS key_expired(

  1383         PEP_SESSION session,

  1384         const char *fpr,

  1385         const time_t when,

  1386         bool *expired

  1387     )

  1388 {

  1389     assert(session);

  1390     assert(fpr);

  1391     assert(expired);

  1393     if (!(session && fpr && expired))

  1394         return PEP_ILLEGAL_VALUE;

  1396     return session->cryptotech[PEP_crypt_OpenPGP].key_expired(session, fpr,

  1397             when, expired);

  1398 }

  1400 DYNAMIC_API PEP_STATUS key_revoked(

  1401        PEP_SESSION session,

  1402        const char *fpr,

  1403        bool *revoked

  1404    )

  1405 {

  1406     assert(session);

  1407     assert(fpr);

  1408     assert(revoked);

  1410     if (!(session && fpr && revoked))

  1411         return PEP_ILLEGAL_VALUE;

  1413     return session->cryptotech[PEP_crypt_OpenPGP].key_revoked(session, fpr,

  1414             revoked);

  1415 }

  1417 static void _clean_log_value(char *text)

  1418 {

  1419     if (text) {

  1420         for (char *c = text; *c; c++) {

  1421             if (*c < 32 && *c != '\n')

  1422                 *c = 32;

  1423             else if (*c == '"')

  1424                 *c = '\'';

  1425         }

  1426     }

  1427 }

  1429 static char *_concat_string(char *str1, const char *str2, char delim)

  1430 {

  1431     str2 = str2 ? str2 : "";

  1432     size_t len1 = str1 ? strlen(str1) : 0;

  1433     size_t len2 = strlen(str2);

  1434     size_t len = len1 + len2 + 3;

  1435     char * result = realloc(str1, len + 1);

  1437     if (result) {

  1438         result[len1] = '"';

  1439         strcpy(result + len1 + 1, str2);

  1440         result[len - 2] = '"';

  1441         result[len - 1] = delim;

  1442         result[len] = 0;

  1443     }

  1444     else {

  1445         free(str1);

  1446     }

  1448     return result;

  1449 }

  1451 DYNAMIC_API PEP_STATUS get_crashdump_log(

  1452         PEP_SESSION session,

  1453         int maxlines,

  1454         char **logdata

  1455     )

  1456 {

  1457     PEP_STATUS status = PEP_STATUS_OK;

  1458     char *_logdata= NULL;

  1460     assert(session);

  1461     assert(maxlines >= 0 && maxlines <= CRASHDUMP_MAX_LINES);

  1462     assert(logdata);

  1464     if (!(session && logdata && maxlines >= 0 && maxlines <=

  1465             CRASHDUMP_MAX_LINES))

  1466         return PEP_ILLEGAL_VALUE;

  1468     *logdata = NULL;

  1470     int limit = maxlines ? maxlines : CRASHDUMP_DEFAULT_LINES;

  1471     const char *timestamp = NULL;

  1472     const char *title = NULL;

  1473     const char *entity = NULL;

  1474     const char *desc = NULL;

  1475     const char *comment = NULL;

  1477     sqlite3_reset(session->crashdump);

  1478     sqlite3_bind_int(session->crashdump, 1, limit);

  1480     int result;

  1482     do {

  1483         result = sqlite3_step(session->crashdump);

  1484         switch (result) {

  1485         case SQLITE_ROW:

  1486             timestamp = (const char *) sqlite3_column_text(session->crashdump,

  1487                     0);

  1488             title   = (const char *) sqlite3_column_text(session->crashdump,

  1489                     1);

  1490             entity  = (const char *) sqlite3_column_text(session->crashdump,

  1491                     2);

  1492             desc    = (const char *) sqlite3_column_text(session->crashdump,

  1493                     3);

  1494             comment = (const char *) sqlite3_column_text(session->crashdump,

  1495                     4);

  1497             _logdata = _concat_string(_logdata, timestamp, ',');

  1498             if (_logdata == NULL)

  1499                 goto enomem;

  1501             _logdata = _concat_string(_logdata, title, ',');

  1502             if (_logdata == NULL)

  1503                 goto enomem;

  1505             _logdata = _concat_string(_logdata, entity, ',');

  1506             if (_logdata == NULL)

  1507                 goto enomem;

  1509             _logdata = _concat_string(_logdata, desc, ',');

  1510             if (_logdata == NULL)

  1511                 goto enomem;

  1513             _logdata = _concat_string(_logdata, comment, '\n');

  1514             if (_logdata == NULL)

  1515                 goto enomem;

  1517             _clean_log_value(_logdata);

  1518             break;

  1520         case SQLITE_DONE:

  1521             break;

  1523         default:

  1524             status = PEP_UNKNOWN_ERROR;

  1525             result = SQLITE_DONE;

  1526         }

  1527     } while (result != SQLITE_DONE);

  1529     sqlite3_reset(session->crashdump);

  1530     if (status == PEP_STATUS_OK)

  1531         *logdata = _logdata;

  1533     goto the_end;

  1535 enomem:

  1536     status = PEP_OUT_OF_MEMORY;

  1538 the_end:

  1539     return status;

  1540 }

  1542 DYNAMIC_API PEP_STATUS get_languagelist(

  1543         PEP_SESSION session,

  1544         char **languages

  1545     )

  1546 {

  1547     PEP_STATUS status = PEP_STATUS_OK;

  1548     char *_languages= NULL;

  1550     assert(session);

  1551     assert(languages);

  1553     if (!(session && languages))

  1554         return PEP_ILLEGAL_VALUE;

  1556     *languages = NULL;

  1558     const char *lang = NULL;

  1559     const char *name = NULL;

  1560     const char *phrase = NULL;

  1562     sqlite3_reset(session->languagelist);

  1564     int result;

  1566     do {

  1567         result = sqlite3_step(session->languagelist);

  1568         switch (result) {

  1569         case SQLITE_ROW:

  1570             lang = (const char *) sqlite3_column_text(session->languagelist,

  1571                     0);

  1572             name = (const char *) sqlite3_column_text(session->languagelist,

  1573                     1);

  1574             phrase = (const char *) sqlite3_column_text(session->languagelist,

  1575                     2);

  1577             _languages = _concat_string(_languages, lang, ',');

  1578             if (_languages == NULL)

  1579                 goto enomem;

  1581             _languages = _concat_string(_languages, name, ',');

  1582             if (_languages == NULL)

  1583                 goto enomem;

  1585             _languages = _concat_string(_languages, phrase, '\n');

  1586             if (_languages == NULL)

  1587                 goto enomem;

  1589             break;

  1591         case SQLITE_DONE:

  1592             break;

  1594         default:

  1595             status = PEP_UNKNOWN_ERROR;

  1596             result = SQLITE_DONE;

  1597         }

  1598     } while (result != SQLITE_DONE);

  1600     sqlite3_reset(session->languagelist);

  1601     if (status == PEP_STATUS_OK)

  1602         *languages = _languages;

  1604     goto the_end;

  1606 enomem:

  1607     status = PEP_OUT_OF_MEMORY;

  1609 the_end:

  1610     return status;

  1611 }

  1613 DYNAMIC_API PEP_STATUS get_phrase(

  1614         PEP_SESSION session,

  1615         const char *lang,

  1616         int phrase_id,

  1617         char **phrase

  1618     )

  1619 {

  1620     PEP_STATUS status = PEP_STATUS_OK;

  1622     assert(session && lang && lang[0] && lang[1] && lang[2] == 0 && phrase);

  1623     if (!(session && lang && lang[0] && lang[1] && lang[2] == 0 && phrase))

  1624         return PEP_ILLEGAL_VALUE;

  1626     *phrase = NULL;

  1628     sqlite3_reset(session->i18n_token);

  1629     sqlite3_bind_text(session->i18n_token, 1, lang, -1, SQLITE_STATIC);

  1630     sqlite3_bind_int(session->i18n_token, 2, phrase_id);

  1632     const char *_phrase = NULL;

  1633     int result;

  1635     result = sqlite3_step(session->i18n_token);

  1636     switch (result) {

  1637     case SQLITE_ROW:

  1638         _phrase = (const char *) sqlite3_column_text(session->i18n_token, 0);

  1639         break;

  1641     case SQLITE_DONE:

  1642         status = PEP_PHRASE_NOT_FOUND;

  1643         break;

  1645     default:

  1646         status = PEP_UNKNOWN_ERROR;

  1647     }

  1649     if (status == PEP_STATUS_OK) {

  1650         *phrase = strdup(_phrase);

  1651         if (*phrase == NULL)

  1652             goto enomem;

  1653     }

  1655     sqlite3_reset(session->i18n_token);

  1656     goto the_end;

  1658 enomem:

  1659     status = PEP_OUT_OF_MEMORY;

  1661 the_end:

  1662     return status;

  1663 }

  1665 DYNAMIC_API PEP_STATUS sequence_value(

  1666         PEP_SESSION session,

  1667         const char *name,

  1668         int32_t *value

  1669     )

  1670 {

  1671     PEP_STATUS status = PEP_STATUS_OK;

  1672     int result;

  1674     assert(session);

  1675     assert(name);

  1676     assert(value);

  1678     if (!(session && name && value))

  1679         return PEP_ILLEGAL_VALUE;

  1681     *value = 0;

  1683     sqlite3_reset(session->sequence_value1);

  1684     sqlite3_bind_text(session->sequence_value1, 1, name, -1, SQLITE_STATIC);

  1685     result = sqlite3_step(session->sequence_value1);

  1686     assert(result == SQLITE_DONE);

  1687     sqlite3_reset(session->sequence_value1);

  1688     if (result != SQLITE_DONE) {

  1689         status = PEP_UNKNOWN_ERROR;

  1690     }

  1691     else {

  1692         sqlite3_reset(session->sequence_value2);

  1693         sqlite3_bind_text(session->sequence_value2, 1, name, -1,

  1694                 SQLITE_STATIC);

  1695         result = sqlite3_step(session->sequence_value2);

  1696         switch (result) {

  1697             case SQLITE_ROW: {

  1698                 int32_t _value = (int32_t)

  1699                         sqlite3_column_int64(session->sequence_value2, 0);

  1700                 *value = _value;

  1701                 break;

  1702             }

  1703             default:

  1704                 status = PEP_UNKNOWN_ERROR;

  1705         }

  1706         sqlite3_reset(session->sequence_value2);

  1707     }

  1708     return status;

  1709 }

  1711 DYNAMIC_API PEP_STATUS set_revoked(

  1712        PEP_SESSION session,

  1713        const char *revoked_fpr,

  1714        const char *replacement_fpr,

  1715        const uint64_t revocation_date

  1716     )

  1717 {

  1718     PEP_STATUS status = PEP_STATUS_OK;

  1720     assert(session &&

  1721            revoked_fpr && revoked_fpr[0] &&

  1722            replacement_fpr && replacement_fpr[0]

  1723           );

  1725     if (!(session &&

  1726           revoked_fpr && revoked_fpr[0] &&

  1727           replacement_fpr && replacement_fpr[0]

  1728          ))

  1729         return PEP_ILLEGAL_VALUE;

  1731     sqlite3_reset(session->set_revoked);

  1732     sqlite3_bind_text(session->set_revoked, 1, revoked_fpr, -1, SQLITE_STATIC);

  1733     sqlite3_bind_text(session->set_revoked, 2, replacement_fpr, -1,

  1734             SQLITE_STATIC);

  1735     sqlite3_bind_int64(session->set_revoked, 3, revocation_date);

  1737     int result;

  1739     result = sqlite3_step(session->set_revoked);

  1740     switch (result) {

  1741         case SQLITE_DONE:

  1742             status = PEP_STATUS_OK;

  1743             break;

  1745         default:

  1746             status = PEP_UNKNOWN_ERROR;

  1747     }

  1749     sqlite3_reset(session->set_revoked);

  1750     return status;

  1751 }

  1753 DYNAMIC_API PEP_STATUS get_revoked(

  1754         PEP_SESSION session,

  1755         const char *fpr,

  1756         char **revoked_fpr,

  1757         uint64_t *revocation_date

  1758     )

  1759 {

  1760     PEP_STATUS status = PEP_STATUS_OK;

  1762     assert(session &&

  1763            revoked_fpr &&

  1764            fpr && fpr[0]

  1765           );

  1767     if (!(session &&

  1768            revoked_fpr &&

  1769            fpr && fpr[0]

  1770           ))

  1771         return PEP_ILLEGAL_VALUE;

  1773     *revoked_fpr = NULL;

  1774     *revocation_date = 0;

  1776     sqlite3_reset(session->get_revoked);

  1777     sqlite3_bind_text(session->get_revoked, 1, fpr, -1, SQLITE_STATIC);

  1779     int result;

  1781     result = sqlite3_step(session->get_revoked);

  1782     switch (result) {

  1783         case SQLITE_ROW: {

  1784             *revoked_fpr = strdup((const char *)

  1785                     sqlite3_column_text(session->get_revoked, 0));

  1786             if(*revoked_fpr)

  1787                 *revocation_date = sqlite3_column_int64(session->get_revoked,

  1788                         1);

  1789             else

  1790                 status = PEP_OUT_OF_MEMORY;

  1792             break;

  1793         }

  1794         default:

  1795             status = PEP_CANNOT_FIND_IDENTITY;

  1796     }

  1798     sqlite3_reset(session->get_revoked);

  1800     return status;

  1801 }

  1803 DYNAMIC_API PEP_STATUS reset_peptest_hack(PEP_SESSION session)

  1804 {

  1805     assert(session);

  1807     if (!session)

  1808         return PEP_ILLEGAL_VALUE;

  1810     int int_result = sqlite3_exec(

  1811         session->db,

  1812         "delete from identity where address like '%@peptest.ch' ;",

  1813         NULL,

  1814         NULL,

  1815         NULL

  1816     );

  1817     assert(int_result == SQLITE_OK);

  1819     return PEP_STATUS_OK;

  1820 }

author	Volker Birk <vb@pep.foundation>
	Mon, 01 Aug 2016 09:14:47 +0200
branch	keysync
changeset 955	060272dfaaeb
parent 951	dec407deb10e
child 958	cef602982909
permissions	-rw-r--r--