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@ -2,21 +2,32 @@
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#include "cryptotech.h"
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#include "transport.h"
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int init_count = -1;
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DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
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{
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int int_result;
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const char *sql_log;
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const char *sql_safeword;
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const char *sql_get_identity;
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const char *sql_set_person;
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const char *sql_set_pgp_keypair;
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const char *sql_set_identity;
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const char *sql_set_trust;
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const char *sql_get_trust;
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assert(sqlite3_threadsafe());
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if (!sqlite3_threadsafe())
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return PEP_INIT_SQLITE3_WITHOUT_MUTEX;
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static const char *sql_log;
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static const char *sql_safeword;
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static const char *sql_get_identity;
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static const char *sql_set_person;
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static const char *sql_set_pgp_keypair;
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static const char *sql_set_identity;
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static const char *sql_set_trust;
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static const char *sql_get_trust;
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bool in_first = false;
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assert(sqlite3_threadsafe());
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if (!sqlite3_threadsafe())
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return PEP_INIT_SQLITE3_WITHOUT_MUTEX;
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// a little race condition - but still a race condition
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// removed by calling caveat (see documentation)
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++init_count;
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if (init_count == 0) {
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in_first = true;
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}
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assert(session);
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*session = NULL;
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@ -25,16 +36,11 @@ DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
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assert(_session);
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if (_session == NULL)
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return PEP_OUT_OF_MEMORY;
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_session->version = PEP_ENGINE_VERSION;
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init_cryptotech(_session);
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init_transport_system(_session);
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assert(LOCAL_DB);
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if (LOCAL_DB == NULL) {
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release_transport_system(_session);
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release_cryptotech(_session);
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free(_session);
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return PEP_INIT_CANNOT_OPEN_DB;
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}
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@ -51,8 +57,6 @@ DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
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if (int_result != SQLITE_OK) {
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sqlite3_close_v2(_session->db);
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release_transport_system(_session);
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release_cryptotech(_session);
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free(_session);
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return PEP_INIT_CANNOT_OPEN_DB;
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}
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@ -62,8 +66,6 @@ DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
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assert(SYSTEM_DB);
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if (SYSTEM_DB == NULL) {
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sqlite3_close_v2(_session->db);
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release_transport_system(_session);
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release_cryptotech(_session);
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free(_session);
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return PEP_INIT_CANNOT_OPEN_SYSTEM_DB;
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}
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@ -79,138 +81,148 @@ DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
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if (int_result != SQLITE_OK) {
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sqlite3_close_v2(_session->system_db);
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sqlite3_close_v2(_session->db);
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release_transport_system(_session);
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release_cryptotech(_session);
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free(_session);
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return PEP_INIT_CANNOT_OPEN_SYSTEM_DB;
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}
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sqlite3_busy_timeout(_session->system_db, 1000);
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int_result = sqlite3_exec(
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_session->db,
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"create table if not exists version_info ("
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" id integer primary key,"
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" timestamp integer default (datetime('now')) ,"
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" version text,"
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" comment text"
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");"
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"create table if not exists log ("
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" timestamp integer default (datetime('now')) ,"
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" title text not null,"
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" entity text not null,"
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" description text,"
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" comment text"
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");"
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"create index if not exists log_timestamp on log ("
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" timestamp"
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");"
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"create table if not exists pgp_keypair ("
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" fpr text primary key,"
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" public_id text unique,"
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" private_id text,"
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" created integer,"
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" expires integer,"
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" comment text"
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");"
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"create index if not exists pgp_keypair_expires on pgp_keypair ("
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" expires"
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");"
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"create table if not exists person ("
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" id text primary key,"
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" username text not null,"
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" main_key_id text"
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" references pgp_keypair (fpr)"
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" on delete set null,"
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" lang text,"
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" comment text"
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");"
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"create table if not exists identity ("
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" address text primary key,"
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" user_id text"
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" references person (id)"
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" on delete cascade,"
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" main_key_id text"
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" references pgp_keypair (fpr)"
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" on delete set null,"
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" comment text"
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");"
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"create table if not exists trust ("
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" user_id text not null"
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" references person (id)"
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" on delete cascade,"
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" pgp_keypair_fpr text not null"
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" references pgp_keypair (fpr)"
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" on delete cascade,"
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" comm_type integer not null,"
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" comment text"
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");"
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"create unique index if not exists trust_index on trust ("
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" user_id,"
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" pgp_keypair_fpr"
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");",
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NULL,
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NULL,
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NULL
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);
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assert(int_result == SQLITE_OK);
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if (in_first) {
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int_result = sqlite3_exec(
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_session->db,
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"create table if not exists version_info ("
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" id integer primary key,"
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" timestamp integer default (datetime('now')) ,"
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" version text,"
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" comment text"
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");"
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"create table if not exists log ("
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" timestamp integer default (datetime('now')) ,"
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" title text not null,"
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" entity text not null,"
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" description text,"
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" comment text"
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");"
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"create index if not exists log_timestamp on log ("
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" timestamp"
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");"
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"create table if not exists pgp_keypair ("
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" fpr text primary key,"
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" public_id text unique,"
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" private_id text,"
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" created integer,"
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" expires integer,"
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" comment text"
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");"
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"create index if not exists pgp_keypair_expires on pgp_keypair ("
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" expires"
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");"
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"create table if not exists person ("
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" id text primary key,"
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" username text not null,"
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" main_key_id text"
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" references pgp_keypair (fpr)"
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" on delete set null,"
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" lang text,"
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" comment text"
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");"
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"create table if not exists identity ("
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" address text primary key,"
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" user_id text"
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" references person (id)"
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" on delete cascade,"
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" main_key_id text"
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" references pgp_keypair (fpr)"
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" on delete set null,"
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" comment text"
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");"
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"create table if not exists trust ("
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" user_id text not null"
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" references person (id)"
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" on delete cascade,"
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" pgp_keypair_fpr text not null"
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" references pgp_keypair (fpr)"
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" on delete cascade,"
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" comm_type integer not null,"
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" comment text"
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");"
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"create unique index if not exists trust_index on trust ("
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" user_id,"
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" pgp_keypair_fpr"
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");",
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NULL,
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NULL,
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NULL
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);
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assert(int_result == SQLITE_OK);
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int_result = sqlite3_exec(
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_session->db,
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"insert or replace into version_info (id, version) values (1, '1.0');",
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NULL,
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NULL,
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NULL
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);
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assert(int_result == SQLITE_OK);
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sql_log = "insert into log (title, entity, description, comment)"
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"values (?1, ?2, ?3, ?4);";
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sql_get_identity = "select fpr, identity.user_id, username, comm_type, lang"
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" from identity"
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" join person on id = identity.user_id"
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" join pgp_keypair on fpr = identity.main_key_id"
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" join trust on id = trust.user_id"
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" and pgp_keypair_fpr = identity.main_key_id"
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" where address = ?1 ;";
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sql_safeword = "select id, word from wordlist where lang = lower(?1) "
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"and id = ?2 ;";
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sql_set_person = "insert or replace into person (id, username, lang) "
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"values (?1, ?2, ?3) ;";
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sql_set_pgp_keypair = "insert or replace into pgp_keypair (fpr) "
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"values (?1) ;";
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sql_set_identity = "insert or replace into identity (address, main_key_id, "
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"user_id) values (?1, ?2, ?3) ;";
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sql_set_trust = "insert or replace into trust (user_id, pgp_keypair_fpr, comm_type) "
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"values (?1, ?2, ?3) ;";
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int_result = sqlite3_exec(
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_session->db,
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"insert or replace into version_info (id, version) values (1, '1.0');",
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NULL,
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NULL,
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NULL
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);
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assert(int_result == SQLITE_OK);
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sql_get_trust = "select user_id, comm_type from trust where user_id = ?1 "
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"and pgp_keypair_fpr = ?2 ;";
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}
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sql_log = "insert into log (title, entity, description, comment)"
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"values (?1, ?2, ?3, ?4);";
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int_result = sqlite3_prepare_v2(_session->db, sql_log, strlen(sql_log),
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&_session->log, NULL);
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assert(int_result == SQLITE_OK);
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sql_safeword = "select id, word from wordlist where lang = lower(?1)"
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"and id = ?2 ;";
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int_result = sqlite3_prepare_v2(_session->system_db, sql_safeword,
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strlen(sql_safeword), &_session->safeword, NULL);
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assert(int_result == SQLITE_OK);
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sql_get_identity = "select fpr, identity.user_id, username, comm_type, lang"
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" from identity"
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" join person on id = identity.user_id"
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" join pgp_keypair on fpr = identity.main_key_id"
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" join trust on id = trust.user_id"
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" and pgp_keypair_fpr = identity.main_key_id"
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" where address = ?1 ;";
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int_result = sqlite3_prepare_v2(_session->db, sql_get_identity,
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strlen(sql_get_identity), &_session->get_identity, NULL);
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assert(int_result == SQLITE_OK);
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sql_set_person = "insert or replace into person (id, username, lang)"
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"values (?1, ?2, ?3) ;";
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sql_set_pgp_keypair = "insert or replace into pgp_keypair (fpr)"
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"values (?1) ;";
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sql_set_identity = "insert or replace into identity (address, main_key_id,"
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"user_id) values (?1, ?2, ?3) ;";
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sql_set_trust = "insert or replace into trust (user_id, pgp_keypair_fpr, comm_type)"
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"values (?1, ?2, ?3) ;";
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sql_get_trust = "select user_id, comm_type from trust where user_id = ?1 and pgp_keypair_fpr = ?2 ;";
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int_result = sqlite3_prepare_v2(_session->db, sql_set_person,
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strlen(sql_set_person), &_session->set_person, NULL);
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assert(int_result == SQLITE_OK);
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int_result = sqlite3_prepare_v2(_session->db, sql_set_pgp_keypair,
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strlen(sql_set_pgp_keypair), &_session->set_pgp_keypair, NULL);
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assert(int_result == SQLITE_OK);
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int_result = sqlite3_prepare_v2(_session->db, sql_set_identity,
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strlen(sql_set_identity), &_session->set_identity, NULL);
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assert(int_result == SQLITE_OK);
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int_result = sqlite3_prepare_v2(_session->db, sql_set_trust,
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strlen(sql_set_trust), &_session->set_trust, NULL);
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assert(int_result == SQLITE_OK);
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int_result = sqlite3_prepare_v2(_session->db, sql_get_trust,
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strlen(sql_get_trust), &_session->get_trust, NULL);
|
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|
assert(int_result == SQLITE_OK);
|
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@ -225,14 +237,27 @@ DYNAMIC_API PEP_STATUS init(PEP_SESSION *session)
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} while (int_result == SQLITE_BUSY);
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|
sqlite3_reset(_session->log);
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init_cryptotech(_session, in_first);
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|
|
|
init_transport_system(_session, in_first);
|
|
|
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|
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|
|
*session = (void *) _session;
|
|
|
|
|
return PEP_STATUS_OK;
|
|
|
|
|
}
|
|
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|
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|
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|
|
|
DYNAMIC_API void release(PEP_SESSION session)
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|
|
|
|
{
|
|
|
|
|
bool out_last = false;
|
|
|
|
|
|
|
|
|
|
assert(init_count >= 0);
|
|
|
|
|
assert(session);
|
|
|
|
|
|
|
|
|
|
// a small race condition but still a race condition
|
|
|
|
|
// removed by calling caveat (see documentation)
|
|
|
|
|
|
|
|
|
|
if (init_count == 0)
|
|
|
|
|
out_last = true;
|
|
|
|
|
--init_count;
|
|
|
|
|
|
|
|
|
|
if (session) {
|
|
|
|
|
if (session->db) {
|
|
|
|
|
sqlite3_finalize(session->safeword);
|
|
|
|
@ -247,10 +272,11 @@ DYNAMIC_API void release(PEP_SESSION session)
|
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|
|
|
sqlite3_close_v2(session->db);
|
|
|
|
|
sqlite3_close_v2(session->system_db);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
release_transport_system(session);
|
|
|
|
|
release_cryptotech(session);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
release_transport_system(session, out_last);
|
|
|
|
|
release_cryptotech(session, out_last);
|
|
|
|
|
|
|
|
|
|
free(session);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|