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2220 lines
75 KiB
2220 lines
75 KiB
// This file is under GNU General Public License 3.0
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// see LICENSE.txt
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#include "platform.h"
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <ctype.h>
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#include "pEp_internal.h"
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#include "keymanagement.h"
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#include "KeySync_fsm.h"
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#include "blacklist.h"
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static bool key_matches_address(PEP_SESSION session, const char* address,
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const char* fpr) {
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if (!session || !address || !fpr)
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return false;
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bool retval = false;
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stringlist_t *keylist = NULL;
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PEP_STATUS status = find_keys(session, address, &keylist);
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if (status == PEP_STATUS_OK && keylist) {
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stringlist_t* curr = keylist;
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while (curr) {
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if (curr->value) {
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if (strcasecmp(curr->value, fpr)) {
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retval = true;
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break;
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}
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}
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curr = curr->next;
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}
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}
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free_stringlist(keylist);
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return retval;
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}
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// Does not return PASSPHRASE errors
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PEP_STATUS elect_pubkey(
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PEP_SESSION session, pEp_identity * identity, bool check_blacklist
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)
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{
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PEP_STATUS status;
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stringlist_t *keylist = NULL;
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char *_fpr = "";
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identity->comm_type = PEP_ct_unknown;
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status = find_keys(session, identity->address, &keylist);
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assert(status != PEP_OUT_OF_MEMORY);
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if (status == PEP_OUT_OF_MEMORY)
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return PEP_OUT_OF_MEMORY;
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if (!keylist || !keylist->value)
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identity->comm_type = PEP_ct_key_not_found;
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else {
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stringlist_t *_keylist;
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for (_keylist = keylist; _keylist && _keylist->value; _keylist = _keylist->next) {
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PEP_comm_type _comm_type_key;
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status = get_key_rating(session, _keylist->value, &_comm_type_key);
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assert(status != PEP_OUT_OF_MEMORY);
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if (status == PEP_OUT_OF_MEMORY) {
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free_stringlist(keylist);
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return PEP_OUT_OF_MEMORY;
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}
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if (_comm_type_key != PEP_ct_compromised &&
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_comm_type_key != PEP_ct_unknown)
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{
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if (identity->comm_type == PEP_ct_unknown ||
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_comm_type_key > identity->comm_type)
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{
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bool blacklisted = false;
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bool mistrusted = false;
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status = is_mistrusted_key(session, _keylist->value, &mistrusted);
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if (status == PEP_STATUS_OK && check_blacklist)
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status = blacklist_is_listed(session, _keylist->value, &blacklisted);
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if (status == PEP_STATUS_OK && !mistrusted && !blacklisted) {
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identity->comm_type = _comm_type_key;
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_fpr = _keylist->value;
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}
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}
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}
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}
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}
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free(identity->fpr);
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if (!_fpr || _fpr[0] == '\0')
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identity->fpr = NULL;
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else {
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identity->fpr = strdup(_fpr);
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if (identity->fpr == NULL) {
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free_stringlist(keylist);
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return PEP_OUT_OF_MEMORY;
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}
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}
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free_stringlist(keylist);
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return PEP_STATUS_OK;
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}
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// own_must_contain_private is usually true when calling;
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// we only set it to false when we have the idea of
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// possibly having an own pubkey that we need to check on its own
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// N.B. Checked for PASSPHRASE errors - will now return them always
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// False value of "renew_private" prevents their possibility, though.
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static PEP_STATUS validate_fpr(PEP_SESSION session,
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pEp_identity* ident,
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bool check_blacklist,
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bool own_must_contain_private,
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bool renew_private) {
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PEP_STATUS status = PEP_STATUS_OK;
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if (!session || !ident || !ident->fpr || !ident->fpr[0])
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return PEP_ILLEGAL_VALUE;
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char* fpr = ident->fpr;
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bool has_private = false;
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status = contains_priv_key(session, fpr, &has_private);
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// N.B. Will not contain PEP_PASSPHRASE related returns here
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if (ident->me && own_must_contain_private) {
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if (status != PEP_STATUS_OK || !has_private)
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return PEP_KEY_UNSUITABLE;
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}
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else if (status != PEP_STATUS_OK && has_private) // should never happen
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has_private = false;
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status = get_trust(session, ident);
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if (status != PEP_STATUS_OK)
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ident->comm_type = PEP_ct_unknown;
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PEP_comm_type ct = ident->comm_type;
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if (ct == PEP_ct_unknown) {
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// If status is bad, it's ok, we get the rating
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// we should use then (PEP_ct_unknown)
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get_key_rating(session, fpr, &ct);
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ident->comm_type = ct;
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}
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else if (ct == PEP_ct_key_expired || ct == PEP_ct_key_expired_but_confirmed) {
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PEP_comm_type ct_expire_check = PEP_ct_unknown;
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get_key_rating(session, fpr, &ct_expire_check);
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if (ct_expire_check >= PEP_ct_strong_but_unconfirmed) {
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ident->comm_type = ct_expire_check;
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if (ct == PEP_ct_key_expired_but_confirmed)
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ident->comm_type |= PEP_ct_confirmed;
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ct = ident->comm_type;
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// We need to fix this trust in the DB.
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status = set_trust(session, ident);
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}
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}
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bool pEp_user = false;
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is_pEp_user(session, ident, &pEp_user);
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if (pEp_user) {
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switch (ct) {
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case PEP_ct_OpenPGP:
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case PEP_ct_OpenPGP_unconfirmed:
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ct += 0x47; // difference between PEP and OpenPGP values;
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ident->comm_type = ct;
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break;
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default:
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break;
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}
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}
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bool revoked, expired;
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bool blacklisted = false;
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// Should not need to decrypt key material
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status = key_revoked(session, fpr, &revoked);
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if (status != PEP_STATUS_OK) {
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return status;
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}
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if (!revoked) {
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time_t exp_time = (ident->me ?
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time(NULL) + (7*24*3600) : time(NULL));
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// Should not need to decrypt key material
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status = key_expired(session, fpr,
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exp_time,
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&expired);
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assert(status == PEP_STATUS_OK);
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if (status != PEP_STATUS_OK)
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return status;
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if (check_blacklist && IS_PGP_CT(ct) &&
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!ident->me) {
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status = blacklist_is_listed(session,
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fpr,
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&blacklisted);
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if (status != PEP_STATUS_OK)
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return status;
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}
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}
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// Renew key if it's expired, our own, has a private part,
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// isn't too weak, and we didn't say "DON'T DO THIS"
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if (renew_private && ident->me && has_private &&
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(ct >= PEP_ct_strong_but_unconfirmed) &&
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!revoked && expired) {
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// extend key
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timestamp *ts = new_timestamp(time(NULL) + KEY_EXPIRE_DELTA);
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status = renew_key(session, fpr, ts);
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free_timestamp(ts);
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if (status == PEP_PASSPHRASE_REQUIRED || status == PEP_WRONG_PASSPHRASE)
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return status;
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if (status == PEP_STATUS_OK) {
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// if key is valid (second check because pEp key might be extended above)
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// Return fpr
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status = key_expired(session, fpr, time(NULL), &expired);
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if (status != PEP_STATUS_OK)
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return status;
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if (expired) {
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if (ident->comm_type & PEP_ct_confirmed || (ident->comm_type == PEP_ct_key_expired_but_confirmed))
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ident->comm_type = PEP_ct_key_expired_but_confirmed;
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else
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ident->comm_type = PEP_ct_key_expired;
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return status;
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}
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// communicate key(?)
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}
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}
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if (revoked)
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ct = PEP_ct_key_revoked;
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else if (expired) {
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if (ident->comm_type & PEP_ct_confirmed || (ident->comm_type == PEP_ct_key_expired_but_confirmed))
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ct = PEP_ct_key_expired_but_confirmed;
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else
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ct = PEP_ct_key_expired;
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}
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else if (blacklisted) { // never true for .me
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ident->comm_type = ct = PEP_ct_key_not_found;
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free(ident->fpr);
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ident->fpr = strdup("");
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status = PEP_KEY_BLACKLISTED;
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}
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switch (ct) {
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case PEP_ct_key_expired:
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case PEP_ct_key_expired_but_confirmed:
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case PEP_ct_key_revoked:
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case PEP_ct_key_b0rken:
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// delete key from being default key for all users/identities
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status = remove_fpr_as_default(session, fpr);
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status = update_trust_for_fpr(session,
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fpr,
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ct);
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case PEP_ct_mistrusted:
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free(ident->fpr);
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ident->fpr = NULL;
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ident->comm_type = ct;
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status = PEP_KEY_UNSUITABLE;
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default:
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break;
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}
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return status;
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}
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PEP_STATUS get_all_keys_for_user(PEP_SESSION session,
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const char* user_id,
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stringlist_t** keys) {
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if (!session || EMPTYSTR(user_id) || !keys)
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return PEP_ILLEGAL_VALUE;
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PEP_STATUS status = PEP_STATUS_OK;
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*keys = NULL;
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stringlist_t* _kl = NULL;
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sqlite3_reset(session->get_all_keys_for_user);
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sqlite3_bind_text(session->get_all_keys_for_user, 1, user_id, -1, SQLITE_STATIC);
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int result = -1;
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while ((result = sqlite3_step(session->get_all_keys_for_user)) == SQLITE_ROW) {
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const char* keyres = (const char *) sqlite3_column_text(session->get_all_keys_for_user, 0);
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if (keyres) {
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if (_kl)
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stringlist_add(_kl, keyres);
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else
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_kl = new_stringlist(keyres);
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}
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}
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if (!_kl)
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return PEP_KEY_NOT_FOUND;
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*keys = _kl;
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sqlite3_reset(session->get_all_keys_for_user);
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return status;
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}
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PEP_STATUS get_user_default_key(PEP_SESSION session, const char* user_id,
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char** default_key) {
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assert(session);
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assert(user_id);
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if (!session || !user_id)
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return PEP_ILLEGAL_VALUE;
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PEP_STATUS status = PEP_STATUS_OK;
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// try to get default key for user_data
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sqlite3_reset(session->get_user_default_key);
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sqlite3_bind_text(session->get_user_default_key, 1, user_id,
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-1, SQLITE_STATIC);
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const int result = sqlite3_step(session->get_user_default_key);
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char* user_fpr = NULL;
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if (result == SQLITE_ROW) {
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const char* u_fpr =
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(char *) sqlite3_column_text(session->get_user_default_key, 0);
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if (u_fpr)
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user_fpr = strdup(u_fpr);
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}
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else
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status = PEP_GET_KEY_FAILED;
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sqlite3_reset(session->get_user_default_key);
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*default_key = user_fpr;
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return status;
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}
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// Only call on retrieval of previously stored identity!
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// Also, we presume that if the stored_identity was sent in
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// without an fpr, there wasn't one in the trust DB for this
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// identity.
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//
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// Will now NOT return passphrase errors, as we tell
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// validate_fpr NOT to renew it. And we specifically suppress them
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// with "PEP_KEY_UNSUITABLE"
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//
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PEP_STATUS get_valid_pubkey(PEP_SESSION session,
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pEp_identity* stored_identity,
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bool* is_identity_default,
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bool* is_user_default,
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bool* is_address_default,
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bool check_blacklist) {
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PEP_STATUS status = PEP_STATUS_OK;
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if (!stored_identity || EMPTYSTR(stored_identity->user_id)
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|| !is_identity_default || !is_user_default || !is_address_default)
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return PEP_ILLEGAL_VALUE;
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*is_identity_default = *is_user_default = *is_address_default = false;
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PEP_comm_type first_reject_comm_type = PEP_ct_key_not_found;
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PEP_STATUS first_reject_status = PEP_KEY_NOT_FOUND;
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char* stored_fpr = stored_identity->fpr;
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// Input: stored identity retrieved from database
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// if stored identity contains a default key
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if (!EMPTYSTR(stored_fpr)) {
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// Won't ask for passphrase, won't return PASSPHRASE status
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// Because of non-renewal
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status = validate_fpr(session, stored_identity, check_blacklist, true, false);
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switch (status) {
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case PEP_STATUS_OK:
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if (!EMPTYSTR(stored_identity->fpr)) {
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*is_identity_default = *is_address_default = true;
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return status;
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}
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break;
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case PEP_KEY_NOT_FOUND:
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break;
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default:
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first_reject_status = status;
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first_reject_comm_type = stored_identity->comm_type;
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}
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}
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// if no valid default stored identity key found
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free(stored_identity->fpr);
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stored_identity->fpr = NULL;
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char* user_fpr = NULL;
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status = get_user_default_key(session, stored_identity->user_id, &user_fpr);
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if (!EMPTYSTR(user_fpr)) {
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// There exists a default key for user, so validate
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stored_identity->fpr = user_fpr;
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// Won't ask for passphrase, won't return PASSPHRASE status
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// Because of non-renewal
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status = validate_fpr(session, stored_identity, check_blacklist, true, false);
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switch (status) {
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case PEP_STATUS_OK:
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if (!EMPTYSTR(stored_identity->fpr)) {
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*is_user_default = true;
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*is_address_default = key_matches_address(session,
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stored_identity->address,
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stored_identity->fpr);
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return status;
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}
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break;
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case PEP_KEY_NOT_FOUND:
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break;
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default:
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if (first_reject_status != PEP_KEY_NOT_FOUND) {
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first_reject_status = status;
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first_reject_comm_type = stored_identity->comm_type;
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}
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}
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}
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status = elect_pubkey(session, stored_identity, check_blacklist);
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if (status == PEP_STATUS_OK) {
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if (!EMPTYSTR(stored_identity->fpr)) {
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// Won't ask for passphrase, won't return PASSPHRASE status
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// Because of non-renewal
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status = validate_fpr(session, stored_identity, false, true, false); // blacklist already filtered of needed
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}
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}
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else if (status != PEP_KEY_NOT_FOUND && first_reject_status != PEP_KEY_NOT_FOUND) {
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first_reject_status = status;
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first_reject_comm_type = stored_identity->comm_type;
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}
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switch (stored_identity->comm_type) {
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case PEP_ct_key_revoked:
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case PEP_ct_key_b0rken:
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case PEP_ct_key_expired:
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case PEP_ct_key_expired_but_confirmed:
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case PEP_ct_compromised:
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case PEP_ct_mistrusted:
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// this only happens when it's all there is
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status = first_reject_status;
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free(stored_identity->fpr);
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stored_identity->fpr = NULL;
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stored_identity->comm_type = first_reject_comm_type;
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break;
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default:
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if (check_blacklist && status == PEP_KEY_BLACKLISTED) {
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free(stored_identity->fpr);
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stored_identity->fpr = NULL;
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stored_identity->comm_type = PEP_ct_key_not_found;
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}
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break;
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}
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// should never happen, but we will MAKE sure
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if (PASS_ERROR(status))
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status = PEP_KEY_UNSUITABLE; // renew it on your own time, baby
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return status;
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}
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static void transfer_ident_lang_and_flags(pEp_identity* new_ident,
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pEp_identity* stored_ident) {
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if (new_ident->lang[0] == 0) {
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new_ident->lang[0] = stored_ident->lang[0];
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new_ident->lang[1] = stored_ident->lang[1];
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new_ident->lang[2] = 0;
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}
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new_ident->flags = stored_ident->flags;
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new_ident->me = new_ident->me || stored_ident->me;
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}
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static void adjust_pEp_trust_status(PEP_SESSION session, pEp_identity* identity) {
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assert(session);
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assert(identity);
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if (identity->comm_type < PEP_ct_strong_but_unconfirmed ||
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(identity->comm_type | PEP_ct_confirmed) == PEP_ct_pEp)
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return;
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bool pEp_user;
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is_pEp_user(session, identity, &pEp_user);
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if (pEp_user) {
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PEP_comm_type confirmation_status = identity->comm_type & PEP_ct_confirmed;
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identity->comm_type = PEP_ct_pEp_unconfirmed | confirmation_status;
|
|
if (identity->major_ver == 0) {
|
|
identity->major_ver = 2;
|
|
identity->minor_ver = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// NEVER called on an own identity.
|
|
// But we also make sure get_valid_pubkey
|
|
// and friends NEVER return with a password error.
|
|
// (get_valid_pubkey tells validate_fpr not to try renewal)
|
|
// Will not return PASSPHRASE errors.
|
|
static PEP_STATUS prepare_updated_identity(PEP_SESSION session,
|
|
pEp_identity* return_id,
|
|
pEp_identity* stored_ident,
|
|
bool store) {
|
|
|
|
if (!session || !return_id || !stored_ident)
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
PEP_STATUS status;
|
|
|
|
bool is_identity_default, is_user_default, is_address_default;
|
|
bool no_stored_default = EMPTYSTR(stored_ident->fpr);
|
|
|
|
status = get_valid_pubkey(session, stored_ident,
|
|
&is_identity_default,
|
|
&is_user_default,
|
|
&is_address_default,
|
|
false);
|
|
|
|
switch (status) {
|
|
case PEP_STATUS_OK:
|
|
if (!EMPTYSTR(stored_ident->fpr)) {
|
|
// set identity comm_type from trust db (user_id, FPR)
|
|
status = get_trust(session, stored_ident);
|
|
if (status == PEP_CANNOT_FIND_IDENTITY || stored_ident->comm_type == PEP_ct_unknown) {
|
|
// This is OK - there is no trust DB entry, but we
|
|
// found a key. We won't store this, but we'll
|
|
// use it.
|
|
PEP_comm_type ct = PEP_ct_unknown;
|
|
status = get_key_rating(session, stored_ident->fpr, &ct);
|
|
stored_ident->comm_type = ct;
|
|
}
|
|
}
|
|
else if (stored_ident->comm_type == PEP_ct_unknown)
|
|
stored_ident->comm_type = PEP_ct_key_not_found;
|
|
break;
|
|
default:
|
|
free(stored_ident->fpr);
|
|
stored_ident->fpr = NULL;
|
|
stored_ident->comm_type = PEP_ct_key_not_found;
|
|
}
|
|
|
|
free(return_id->fpr);
|
|
return_id->fpr = NULL;
|
|
if (status == PEP_STATUS_OK && !EMPTYSTR(stored_ident->fpr))
|
|
return_id->fpr = strdup(stored_ident->fpr);
|
|
|
|
return_id->comm_type = stored_ident->comm_type;
|
|
|
|
// We patch the DB with the input username, but if we didn't have
|
|
// one, we pull it out of storage if available.
|
|
if (!EMPTYSTR(stored_ident->username)) {
|
|
if (!EMPTYSTR(return_id->username) &&
|
|
(strcasecmp(return_id->username, return_id->address) == 0)) {
|
|
free(return_id->username);
|
|
return_id->username = NULL;
|
|
}
|
|
if (EMPTYSTR(return_id->username)) {
|
|
free(return_id->username);
|
|
return_id->username = strdup(stored_ident->username);
|
|
}
|
|
}
|
|
else {
|
|
if (EMPTYSTR(return_id->username))
|
|
return_id->username = strdup(return_id->address);
|
|
}
|
|
|
|
return_id->me = stored_ident->me;
|
|
|
|
return_id->major_ver = stored_ident->major_ver;
|
|
return_id->minor_ver = stored_ident->minor_ver;
|
|
|
|
// FIXME: Do we ALWAYS do this? We probably should...
|
|
if (EMPTYSTR(return_id->user_id)) {
|
|
free(return_id->user_id);
|
|
return_id->user_id = strdup(stored_ident->user_id);
|
|
}
|
|
|
|
adjust_pEp_trust_status(session, return_id);
|
|
|
|
// Call set_identity() to store
|
|
if ((is_identity_default || is_user_default) &&
|
|
is_address_default) {
|
|
// if we got an fpr which is default for either user
|
|
// or identity AND is valid for this address, set in DB
|
|
// as default
|
|
status = set_identity(session, return_id);
|
|
}
|
|
else if (no_stored_default && !EMPTYSTR(return_id->fpr)
|
|
&& return_id->comm_type != PEP_ct_key_revoked
|
|
&& return_id->comm_type != PEP_ct_key_expired
|
|
&& return_id->comm_type != PEP_ct_key_expired_but_confirmed
|
|
&& return_id->comm_type != PEP_ct_mistrusted
|
|
&& return_id->comm_type != PEP_ct_key_b0rken) {
|
|
// We would have stored this anyway for a first-time elected key. We just have an ident w/ no default already.
|
|
status = set_identity(session, return_id);
|
|
}
|
|
else { // this is a key other than the default, but there IS a default (FIXME: fdik, do we really want behaviour below?)
|
|
// Store without default fpr/ct, but return the fpr and ct
|
|
// for current use
|
|
char* save_fpr = return_id->fpr;
|
|
PEP_comm_type save_ct = return_id->comm_type;
|
|
return_id->fpr = NULL;
|
|
return_id->comm_type = PEP_ct_unknown;
|
|
PEP_STATUS save_status = status;
|
|
status = set_identity(session, return_id);
|
|
if (save_status != PEP_STATUS_OK)
|
|
status = save_status;
|
|
return_id->fpr = save_fpr;
|
|
return_id->comm_type = save_ct;
|
|
}
|
|
|
|
transfer_ident_lang_and_flags(return_id, stored_ident);
|
|
return_id->enc_format = stored_ident->enc_format;
|
|
|
|
if (return_id->comm_type == PEP_ct_unknown)
|
|
return_id->comm_type = PEP_ct_key_not_found;
|
|
|
|
return status;
|
|
}
|
|
|
|
// Should not return PASSPHRASE errors because we force
|
|
// calls that can cause key renewal not to.
|
|
DYNAMIC_API PEP_STATUS update_identity(
|
|
PEP_SESSION session, pEp_identity * identity
|
|
)
|
|
{
|
|
PEP_STATUS status;
|
|
|
|
assert(session);
|
|
assert(identity);
|
|
assert(!EMPTYSTR(identity->address));
|
|
|
|
if (!(session && identity && !EMPTYSTR(identity->address)))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
char* default_own_id = NULL;
|
|
status = get_default_own_userid(session, &default_own_id);
|
|
|
|
bool is_own_user = identity->me;
|
|
|
|
// Is this me, temporary or not? If so, BAIL.
|
|
if (!is_own_user) {
|
|
if (default_own_id) {
|
|
if (!EMPTYSTR(identity->user_id)) {
|
|
if (strcmp(default_own_id, identity->user_id) == 0) {
|
|
is_own_user = true;
|
|
}
|
|
else {
|
|
char* alias = NULL;
|
|
if (get_userid_alias_default(session, identity->user_id, &alias) == PEP_STATUS_OK) {
|
|
if (alias && strcmp(default_own_id, alias) == 0)
|
|
is_own_user = true;
|
|
free(alias);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// Check if own address. For now, this is a special case;
|
|
// we try to require apps to send in user_ids, but must prevent
|
|
// writes to an own identity from within THIS function
|
|
// NOTE: These semantics MAY CHANGE.
|
|
bool _own_addr = false;
|
|
is_own_address(session, identity->address, &_own_addr);
|
|
|
|
// N.B. KB: I would prefer consistent semantics here - that is to say,
|
|
// we also set is_own_user here and force PEP_ILLEGAL_VALUE
|
|
if (_own_addr) {
|
|
free(identity->user_id);
|
|
identity->user_id = strdup(default_own_id);
|
|
// Do not renew, do not generate
|
|
return _myself(session, identity, false, false, false, true);
|
|
}
|
|
}
|
|
}
|
|
// Otherwise, we don't even HAVE an own user yet, so we're ok.
|
|
}
|
|
if (is_own_user)
|
|
{
|
|
free(default_own_id);
|
|
return PEP_ILLEGAL_VALUE;
|
|
}
|
|
|
|
// We have, at least, an address.
|
|
// Retrieve stored identity information!
|
|
pEp_identity* stored_ident = NULL;
|
|
|
|
if (!EMPTYSTR(identity->user_id)) {
|
|
// (we're gonna update the trust/fpr anyway, so we use the no-fpr-from-trust-db variant)
|
|
// * do get_identity() to retrieve stored identity information
|
|
status = get_identity_without_trust_check(session, identity->address, identity->user_id, &stored_ident);
|
|
|
|
// Before we start - if there was no stored identity, we should check to make sure we don't
|
|
// have a stored identity with a temporary user_id that differs from the input user_id. This
|
|
// happens in multithreaded environments sometimes.
|
|
if (!stored_ident) {
|
|
identity_list* id_list = NULL;
|
|
status = get_identities_by_address(session, identity->address, &id_list);
|
|
|
|
if (id_list) {
|
|
identity_list* id_curr = id_list;
|
|
bool input_is_TOFU = (strstr(identity->user_id, "TOFU_") == identity->user_id);
|
|
while (id_curr) {
|
|
pEp_identity* this_id = id_curr->ident;
|
|
if (this_id) {
|
|
char* this_uid = this_id->user_id;
|
|
bool curr_is_TOFU = false;
|
|
// this_uid should never be NULL, as this is half of the ident
|
|
// DB primary key
|
|
assert(!EMPTYSTR(this_uid));
|
|
|
|
curr_is_TOFU = (strstr(this_uid, "TOFU_") == this_uid);
|
|
if (curr_is_TOFU && !input_is_TOFU) {
|
|
// FIXME: should we also be fixing pEp_own_userId in this
|
|
// function here?
|
|
|
|
// if usernames match, we replace the userid.
|
|
// FIXME: do we need to create an address match function which
|
|
// matches the whole dot-and-case rigamarole from
|
|
if (EMPTYSTR(this_id->username) ||
|
|
strcasecmp(this_id->username, this_id->address) == 0 ||
|
|
(identity->username &&
|
|
strcasecmp(identity->username,
|
|
this_id->username) == 0)) {
|
|
|
|
// Ok, we have a temp ID. We have to replace this
|
|
// with the real ID.
|
|
status = replace_userid(session,
|
|
this_uid,
|
|
identity->user_id);
|
|
if (status != PEP_STATUS_OK) {
|
|
free_identity_list(id_list);
|
|
free(default_own_id);
|
|
return status;
|
|
}
|
|
|
|
free(this_uid);
|
|
this_uid = NULL;
|
|
|
|
// Reflect the change we just made to the DB
|
|
this_id->user_id = strdup(identity->user_id);
|
|
stored_ident = this_id;
|
|
// FIXME: free list.
|
|
break;
|
|
}
|
|
}
|
|
else if (input_is_TOFU && !curr_is_TOFU) {
|
|
// Replace ruthlessly - this is NOT supposed to happen.
|
|
// BAD APP BEHAVIOUR.
|
|
free(identity->user_id);
|
|
identity->user_id = strdup(this_id->user_id);
|
|
stored_ident = this_id;
|
|
// FIXME: free list.
|
|
break;
|
|
}
|
|
}
|
|
id_curr = id_curr->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (status == PEP_STATUS_OK && stored_ident) {
|
|
// * if identity available
|
|
// * patch it with username
|
|
// (note: this will happen when
|
|
// setting automatically below...)
|
|
// * elect valid key for identity
|
|
// * if valid key exists
|
|
// * set return value's fpr
|
|
status = prepare_updated_identity(session,
|
|
identity,
|
|
stored_ident, true);
|
|
}
|
|
// * else (identity unavailable)
|
|
else {
|
|
status = PEP_STATUS_OK;
|
|
|
|
// FIXME: We may need to roll this back.
|
|
// FIXME: change docs if we don't
|
|
// if we only have user_id and address and identity not available
|
|
// * return error status (identity not found)
|
|
if (EMPTYSTR(identity->username)) {
|
|
free(identity->username);
|
|
identity->username = strdup(identity->address);
|
|
}
|
|
|
|
// Otherwise, if we had user_id, address, and username:
|
|
// * create identity with user_id, address, username
|
|
// (this is the input id without the fpr + comm type!)
|
|
|
|
elect_pubkey(session, identity, false);
|
|
|
|
// * We've already checked and retrieved
|
|
// any applicable temporary identities above. If we're
|
|
// here, none of them fit.
|
|
// * call set_identity() to store
|
|
// FIXME: Do we set if we had to copy in the address?
|
|
adjust_pEp_trust_status(session, identity);
|
|
status = set_identity(session, identity);
|
|
// * Return: created identity
|
|
}
|
|
}
|
|
else if (!EMPTYSTR(identity->username)) {
|
|
/*
|
|
* Temporary identity information with username supplied
|
|
* Input: address, username (no others)
|
|
*/
|
|
|
|
// * See if there is an own identity that uses this address. If so, we'll
|
|
// prefer that
|
|
stored_ident = NULL;
|
|
|
|
if (default_own_id) {
|
|
status = get_identity(session,
|
|
identity->address,
|
|
default_own_id,
|
|
&stored_ident);
|
|
}
|
|
// If there isn't an own identity, search for a non-temp stored ident
|
|
// with this address.
|
|
if (status == PEP_CANNOT_FIND_IDENTITY || !stored_ident) {
|
|
|
|
identity_list* id_list = NULL;
|
|
status = get_identities_by_address(session, identity->address, &id_list);
|
|
|
|
if (id_list) {
|
|
identity_list* id_curr = id_list;
|
|
while (id_curr) {
|
|
pEp_identity* this_id = id_curr->ident;
|
|
if (this_id) {
|
|
char* this_uid = this_id->user_id;
|
|
assert(!EMPTYSTR(this_uid));
|
|
// Should never be NULL - DB primary key
|
|
|
|
if (strstr(this_uid, "TOFU_") != this_uid) {
|
|
// if usernames match, we replace the userid.
|
|
if (identity->username &&
|
|
strcasecmp(identity->username,
|
|
this_id->username) == 0) {
|
|
|
|
// Ok, we have a real ID. Copy it!
|
|
identity->user_id = strdup(this_uid);
|
|
assert(identity->user_id);
|
|
if (!identity->user_id)
|
|
goto enomem;
|
|
|
|
stored_ident = this_id;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
id_curr = id_curr->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (stored_ident) {
|
|
status = prepare_updated_identity(session,
|
|
identity,
|
|
stored_ident, true);
|
|
}
|
|
else {
|
|
identity->user_id = calloc(1, strlen(identity->address) + 6);
|
|
if (!identity->user_id)
|
|
goto enomem;
|
|
|
|
snprintf(identity->user_id, strlen(identity->address) + 6,
|
|
"TOFU_%s", identity->address);
|
|
|
|
status = get_identity(session,
|
|
identity->address,
|
|
identity->user_id,
|
|
&stored_ident);
|
|
|
|
if (status == PEP_STATUS_OK && stored_ident) {
|
|
status = prepare_updated_identity(session,
|
|
identity,
|
|
stored_ident, true);
|
|
}
|
|
else {
|
|
|
|
// * We've already checked and retrieved
|
|
// any applicable temporary identities above. If we're
|
|
// here, none of them fit.
|
|
|
|
status = elect_pubkey(session, identity, false);
|
|
|
|
// * call set_identity() to store
|
|
if (identity->fpr) {
|
|
// it is still possible we have DB information on this key. Better check.
|
|
status = get_trust(session, identity);
|
|
PEP_comm_type db_ct = identity->comm_type;
|
|
status = get_key_rating(session, identity->fpr, &identity->comm_type);
|
|
PEP_comm_type key_ct = identity->comm_type;
|
|
|
|
if (status == PEP_STATUS_OK) {
|
|
switch (key_ct) {
|
|
case PEP_ct_key_expired:
|
|
if (db_ct == PEP_ct_key_expired_but_confirmed)
|
|
identity->comm_type = db_ct;
|
|
break;
|
|
default:
|
|
switch(db_ct) {
|
|
case PEP_ct_key_expired_but_confirmed:
|
|
if (key_ct >= PEP_ct_strong_but_unconfirmed)
|
|
identity->comm_type |= PEP_ct_confirmed;
|
|
break;
|
|
case PEP_ct_mistrusted:
|
|
case PEP_ct_compromised:
|
|
case PEP_ct_key_b0rken:
|
|
identity->comm_type = db_ct;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// * call set_identity() to store
|
|
adjust_pEp_trust_status(session, identity);
|
|
status = set_identity(session, identity);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/*
|
|
* Input: address (no others)
|
|
* Temporary identity information without username suplied
|
|
*/
|
|
|
|
// * Again, see if there is an own identity that uses this address. If so, we'll
|
|
// prefer that
|
|
stored_ident = NULL;
|
|
|
|
if (default_own_id) {
|
|
status = get_identity(session,
|
|
identity->address,
|
|
default_own_id,
|
|
&stored_ident);
|
|
}
|
|
// If there isn't an own identity, search for a non-temp stored ident
|
|
// with this address.
|
|
if (status == PEP_CANNOT_FIND_IDENTITY || !stored_ident) {
|
|
|
|
identity_list* id_list = NULL;
|
|
// * Search for identity with this address
|
|
status = get_identities_by_address(session, identity->address, &id_list);
|
|
|
|
// Results are ordered by timestamp descending, so this covers
|
|
// both the one-result and multi-result cases
|
|
if (id_list) {
|
|
if (stored_ident) // unlikely
|
|
free_identity(stored_ident);
|
|
stored_ident = id_list->ident;
|
|
}
|
|
}
|
|
if (stored_ident)
|
|
status = prepare_updated_identity(session, identity,
|
|
stored_ident, false);
|
|
else {
|
|
// too little info. BUT. We see if we can find a key; if so, we create a
|
|
// temp identity, look for a key, and store.
|
|
|
|
// create temporary identity, store it, and Return this
|
|
// This means TOFU_ user_id
|
|
identity->user_id = calloc(1, strlen(identity->address) + 6);
|
|
if (!identity->user_id)
|
|
goto enomem;
|
|
|
|
snprintf(identity->user_id, strlen(identity->address) + 6,
|
|
"TOFU_%s", identity->address);
|
|
|
|
identity->username = strdup(identity->address);
|
|
if (!identity->address)
|
|
goto enomem;
|
|
|
|
free(identity->fpr);
|
|
identity->fpr = NULL;
|
|
identity->comm_type = PEP_ct_unknown;
|
|
|
|
status = elect_pubkey(session, identity, false);
|
|
|
|
if (identity->fpr)
|
|
status = get_key_rating(session, identity->fpr, &identity->comm_type);
|
|
|
|
// * call set_identity() to store
|
|
adjust_pEp_trust_status(session, identity);
|
|
status = set_identity(session, identity);
|
|
|
|
}
|
|
}
|
|
|
|
// FIXME: This is legacy. I presume it's a notification for the caller...
|
|
// Revisit once I can talk to Volker
|
|
if (identity->comm_type != PEP_ct_compromised &&
|
|
identity->comm_type < PEP_ct_strong_but_unconfirmed)
|
|
if (session->examine_identity)
|
|
session->examine_identity(identity, session->examine_management);
|
|
|
|
goto pEp_free;
|
|
|
|
enomem:
|
|
status = PEP_OUT_OF_MEMORY;
|
|
|
|
pEp_free:
|
|
free(default_own_id);
|
|
free_identity(stored_ident);
|
|
return status;
|
|
}
|
|
|
|
PEP_STATUS elect_ownkey(
|
|
PEP_SESSION session, pEp_identity * identity
|
|
)
|
|
{
|
|
PEP_STATUS status;
|
|
stringlist_t *keylist = NULL;
|
|
|
|
free(identity->fpr);
|
|
identity->fpr = NULL;
|
|
|
|
status = find_private_keys(session, identity->address, &keylist);
|
|
assert(status != PEP_OUT_OF_MEMORY);
|
|
if (status == PEP_OUT_OF_MEMORY)
|
|
return PEP_OUT_OF_MEMORY;
|
|
|
|
if (keylist != NULL && keylist->value != NULL)
|
|
{
|
|
char *_fpr = NULL;
|
|
identity->comm_type = PEP_ct_unknown;
|
|
|
|
stringlist_t *_keylist;
|
|
for (_keylist = keylist; _keylist && _keylist->value; _keylist = _keylist->next) {
|
|
bool is_own = false;
|
|
|
|
status = own_key_is_listed(session, _keylist->value, &is_own);
|
|
assert(status == PEP_STATUS_OK);
|
|
if (status != PEP_STATUS_OK) {
|
|
free_stringlist(keylist);
|
|
return status;
|
|
}
|
|
|
|
if (is_own)
|
|
{
|
|
PEP_comm_type _comm_type_key;
|
|
|
|
status = get_key_rating(session, _keylist->value, &_comm_type_key);
|
|
assert(status != PEP_OUT_OF_MEMORY);
|
|
if (status == PEP_OUT_OF_MEMORY) {
|
|
free_stringlist(keylist);
|
|
return PEP_OUT_OF_MEMORY;
|
|
}
|
|
|
|
if (_comm_type_key != PEP_ct_compromised &&
|
|
_comm_type_key != PEP_ct_unknown)
|
|
{
|
|
if (identity->comm_type == PEP_ct_unknown ||
|
|
_comm_type_key > identity->comm_type)
|
|
{
|
|
identity->comm_type = _comm_type_key;
|
|
_fpr = _keylist->value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (_fpr)
|
|
{
|
|
identity->fpr = strdup(_fpr);
|
|
assert(identity->fpr);
|
|
if (identity->fpr == NULL)
|
|
{
|
|
free_stringlist(keylist);
|
|
return PEP_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
free_stringlist(keylist);
|
|
}
|
|
return PEP_STATUS_OK;
|
|
}
|
|
|
|
PEP_STATUS _has_usable_priv_key(PEP_SESSION session, char* fpr,
|
|
bool* is_usable) {
|
|
|
|
bool has_private = false;
|
|
PEP_STATUS status = contains_priv_key(session, fpr, &has_private);
|
|
|
|
*is_usable = has_private;
|
|
|
|
return status;
|
|
}
|
|
|
|
PEP_STATUS _myself(PEP_SESSION session,
|
|
pEp_identity * identity,
|
|
bool do_keygen,
|
|
bool do_renew,
|
|
bool ignore_flags,
|
|
bool read_only)
|
|
{
|
|
|
|
PEP_STATUS status;
|
|
|
|
assert(session);
|
|
assert(identity);
|
|
assert(!EMPTYSTR(identity->address));
|
|
|
|
if (!session || EMPTYSTR(identity->address))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
// this is leading to crashes otherwise
|
|
|
|
if (!(identity->user_id && identity->user_id[0])) {
|
|
free(identity->user_id);
|
|
identity->user_id = strdup(PEP_OWN_USERID);
|
|
assert(identity->user_id);
|
|
if (!identity->user_id)
|
|
return PEP_OUT_OF_MEMORY;
|
|
}
|
|
|
|
pEp_identity *stored_identity = NULL;
|
|
char* revoked_fpr = NULL;
|
|
bool valid_key_found = false;
|
|
|
|
char* default_own_id = NULL;
|
|
status = get_default_own_userid(session, &default_own_id);
|
|
|
|
// Deal with non-default user_ids.
|
|
// FIXME: if non-default and read-only, reject totally?
|
|
if (default_own_id && strcmp(default_own_id, identity->user_id) != 0) {
|
|
if (read_only) {
|
|
free(identity->user_id);
|
|
identity->user_id = strdup(default_own_id);
|
|
assert(identity->user_id);
|
|
if (!identity->user_id)
|
|
return PEP_OUT_OF_MEMORY;
|
|
}
|
|
else {
|
|
status = set_userid_alias(session, default_own_id, identity->user_id);
|
|
// Do we want this to be fatal? For now, we'll do it...
|
|
if (status != PEP_STATUS_OK)
|
|
goto pEp_free;
|
|
|
|
free(identity->user_id);
|
|
identity->user_id = strdup(default_own_id);
|
|
assert(identity->user_id);
|
|
if (identity->user_id == NULL) {
|
|
status = PEP_OUT_OF_MEMORY;
|
|
goto pEp_free;
|
|
}
|
|
}
|
|
}
|
|
|
|
// NOTE: IF WE DON'T YET HAVE AN OWN_ID, WE IGNORE REFERENCES TO THIS ADDRESS IN THE
|
|
// DB (WHICH MAY HAVE BEEN SET BEFORE MYSELF WAS CALLED BY RECEIVING AN EMAIL FROM
|
|
// THIS ADDRESS), AS IT IS NOT AN OWN_IDENTITY AND HAS NO INFORMATION WE NEED OR WHAT TO
|
|
// SET FOR MYSELF
|
|
|
|
// Ok, so now, set up the own_identity:
|
|
identity->comm_type = PEP_ct_pEp;
|
|
identity->me = true;
|
|
if(ignore_flags)
|
|
identity->flags = 0;
|
|
|
|
// Let's see if we have an identity record in the DB for
|
|
// this user_id + address
|
|
// DEBUG_LOG("myself", "debug", identity->address);
|
|
|
|
// This will grab the actual flags from the db
|
|
status = get_identity(session,
|
|
identity->address,
|
|
identity->user_id,
|
|
&stored_identity);
|
|
|
|
assert(status != PEP_OUT_OF_MEMORY);
|
|
if (status == PEP_OUT_OF_MEMORY) {
|
|
status = PEP_OUT_OF_MEMORY;
|
|
goto pEp_free;
|
|
}
|
|
|
|
// Set usernames - priority is input username > stored name > address
|
|
// If there's an input username, we always patch the username with that
|
|
// input.
|
|
// N.B. there was an || read_only here, but why? read_only ONLY means
|
|
// we don't write to the DB! So... removed. But how this managed to work
|
|
// before I don't know.
|
|
if (EMPTYSTR(identity->username)) {
|
|
bool stored_uname = (stored_identity && !EMPTYSTR(stored_identity->username));
|
|
char* uname = (stored_uname ? stored_identity->username : identity->address);
|
|
if (uname) {
|
|
free(identity->username);
|
|
identity->username = strdup(uname);
|
|
assert(identity->username);
|
|
if (identity->username == NULL) {
|
|
status = PEP_OUT_OF_MEMORY;
|
|
goto pEp_free;
|
|
}
|
|
}
|
|
}
|
|
|
|
// ignore input fpr
|
|
|
|
if (identity->fpr) {
|
|
free(identity->fpr);
|
|
identity->fpr = NULL;
|
|
}
|
|
|
|
// check stored identity
|
|
if (stored_identity) {
|
|
if (!EMPTYSTR(stored_identity->fpr)) {
|
|
// Fall back / retrieve
|
|
status = validate_fpr(session, stored_identity, false, true, do_renew);
|
|
|
|
switch (status) {
|
|
// Only possible if we called this with do_renew = true
|
|
case PEP_OUT_OF_MEMORY:
|
|
case PEP_PASSPHRASE_REQUIRED:
|
|
case PEP_WRONG_PASSPHRASE:
|
|
goto pEp_free;
|
|
|
|
case PEP_STATUS_OK:
|
|
if (stored_identity->comm_type >= PEP_ct_strong_but_unconfirmed) {
|
|
identity->fpr = strdup(stored_identity->fpr);
|
|
assert(identity->fpr);
|
|
if (!identity->fpr) {
|
|
status = PEP_OUT_OF_MEMORY;
|
|
goto pEp_free;
|
|
}
|
|
valid_key_found = true;
|
|
}
|
|
else {
|
|
bool revoked = false;
|
|
status = key_revoked(session, stored_identity->fpr, &revoked);
|
|
if (status)
|
|
goto pEp_free;
|
|
if (revoked) {
|
|
revoked_fpr = strdup(stored_identity->fpr);
|
|
assert(revoked_fpr);
|
|
if (!revoked_fpr) {
|
|
status = PEP_OUT_OF_MEMORY;
|
|
goto pEp_free;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
// reconcile language, flags
|
|
transfer_ident_lang_and_flags(identity, stored_identity);
|
|
}
|
|
|
|
// Nothing left to do but generate a key
|
|
if (!valid_key_found) {
|
|
if (!do_keygen || read_only)
|
|
status = PEP_GET_KEY_FAILED;
|
|
else {
|
|
// / DEBUG_LOG("Generating key pair", "debug", identity->address);
|
|
|
|
free(identity->fpr);
|
|
identity->fpr = NULL;
|
|
status = generate_keypair(session, identity);
|
|
assert(status != PEP_OUT_OF_MEMORY);
|
|
|
|
if (status == PEP_PASSPHRASE_FOR_NEW_KEYS_REQUIRED)
|
|
goto pEp_free;
|
|
|
|
if (status != PEP_STATUS_OK) {
|
|
char buf[11];
|
|
snprintf(buf, 11, "%d", status); // uh, this is kludgey. FIXME
|
|
// DEBUG_LOG("Generating key pair failed", "debug", buf);
|
|
}
|
|
else {
|
|
valid_key_found = true;
|
|
if (revoked_fpr) {
|
|
status = set_revoked(session, revoked_fpr,
|
|
stored_identity->fpr, time(NULL));
|
|
assert(status == PEP_STATUS_OK);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (valid_key_found) {
|
|
identity->comm_type = PEP_ct_pEp;
|
|
status = PEP_STATUS_OK;
|
|
}
|
|
else {
|
|
free(identity->fpr);
|
|
identity->fpr = NULL;
|
|
identity->comm_type = PEP_ct_unknown;
|
|
}
|
|
|
|
unsigned int major_ver = 0;
|
|
unsigned int minor_ver = 0;
|
|
pEp_version_major_minor(PEP_VERSION, &major_ver, &minor_ver);
|
|
identity->major_ver = major_ver;
|
|
identity->minor_ver = minor_ver;
|
|
|
|
// We want to set an identity in the DB even if a key isn't found, but we have to preserve the status if
|
|
// it's NOT ok
|
|
if (!read_only) {
|
|
PEP_STATUS set_id_status = set_identity(session, identity);
|
|
if (set_id_status == PEP_STATUS_OK)
|
|
set_id_status = set_as_pEp_user(session, identity);
|
|
|
|
status = (status == PEP_STATUS_OK ? set_id_status : status);
|
|
}
|
|
|
|
pEp_free:
|
|
free(default_own_id);
|
|
free(revoked_fpr);
|
|
free_identity(stored_identity);
|
|
return status;
|
|
}
|
|
|
|
DYNAMIC_API PEP_STATUS myself(PEP_SESSION session, pEp_identity * identity)
|
|
{
|
|
return _myself(session, identity, true, true, false, false);
|
|
}
|
|
|
|
DYNAMIC_API PEP_STATUS register_examine_function(
|
|
PEP_SESSION session,
|
|
examine_identity_t examine_identity,
|
|
void *management
|
|
)
|
|
{
|
|
assert(session);
|
|
if (!session)
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
session->examine_management = management;
|
|
session->examine_identity = examine_identity;
|
|
|
|
return PEP_STATUS_OK;
|
|
}
|
|
|
|
DYNAMIC_API PEP_STATUS do_keymanagement(
|
|
retrieve_next_identity_t retrieve_next_identity,
|
|
void *management
|
|
)
|
|
{
|
|
PEP_SESSION session;
|
|
pEp_identity *identity;
|
|
PEP_STATUS status = init(&session, NULL, NULL);
|
|
assert(!status);
|
|
if (status)
|
|
return status;
|
|
|
|
assert(session && retrieve_next_identity);
|
|
if (!(session && retrieve_next_identity))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
log_event(session, "keymanagement thread started", "pEp engine", NULL, NULL);
|
|
|
|
while ((identity = retrieve_next_identity(management)))
|
|
{
|
|
assert(identity->address);
|
|
if(identity->address)
|
|
{
|
|
DEBUG_LOG("do_keymanagement", "retrieve_next_identity", identity->address);
|
|
|
|
if (identity->me) {
|
|
status = myself(session, identity);
|
|
} else {
|
|
status = recv_key(session, identity->address);
|
|
}
|
|
|
|
assert(status != PEP_OUT_OF_MEMORY);
|
|
if(status == PEP_OUT_OF_MEMORY)
|
|
return PEP_OUT_OF_MEMORY;
|
|
}
|
|
free_identity(identity);
|
|
}
|
|
|
|
log_event(session, "keymanagement thread shutdown", "pEp engine", NULL, NULL);
|
|
release(session);
|
|
return PEP_STATUS_OK;
|
|
}
|
|
|
|
DYNAMIC_API PEP_STATUS key_mistrusted(
|
|
PEP_SESSION session,
|
|
pEp_identity *ident
|
|
)
|
|
{
|
|
PEP_STATUS status = PEP_STATUS_OK;
|
|
|
|
assert(session);
|
|
assert(ident);
|
|
assert(!EMPTYSTR(ident->fpr));
|
|
|
|
if (!(session && ident && ident->fpr))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
bool has_private = false;
|
|
|
|
status = contains_priv_key(session, ident->fpr, &has_private);
|
|
|
|
if (status != PEP_STATUS_OK && status != PEP_KEY_NOT_FOUND)
|
|
return status;
|
|
|
|
// See if key is revoked already
|
|
if (has_private) {
|
|
bool revoked = false;
|
|
status = key_revoked(session, ident->fpr, &revoked);
|
|
|
|
if (!revoked)
|
|
revoke_key(session, ident->fpr, NULL);
|
|
}
|
|
else {
|
|
if (ident->fpr) {
|
|
// Make sure there was a default in the DB for this identity;
|
|
// if not, set one, even though we're going to mistrust this. Otherwise,
|
|
// cannot reset.
|
|
pEp_identity* stored_ident = NULL;
|
|
get_identity(session, ident->address, ident->user_id, &stored_ident);
|
|
bool set_in_db = true;
|
|
if (!stored_ident)
|
|
stored_ident = identity_dup(ident);
|
|
else if (!stored_ident->fpr)
|
|
stored_ident->fpr = strdup(ident->fpr);
|
|
else
|
|
set_in_db = false;
|
|
|
|
if (set_in_db)
|
|
status = set_identity(session, stored_ident);
|
|
|
|
free_identity(stored_ident);
|
|
if (status != PEP_STATUS_OK)
|
|
return status;
|
|
}
|
|
}
|
|
|
|
// double-check to be sure key is even in the DB
|
|
if (ident->fpr)
|
|
status = set_pgp_keypair(session, ident->fpr);
|
|
|
|
// We set this temporarily but will grab it back from the cache afterwards
|
|
ident->comm_type = PEP_ct_mistrusted;
|
|
status = set_trust(session, ident);
|
|
|
|
if (status == PEP_STATUS_OK)
|
|
// cascade that mistrust for anyone using this key
|
|
status = mark_as_compromised(session, ident->fpr);
|
|
if (status == PEP_STATUS_OK)
|
|
status = add_mistrusted_key(session, ident->fpr);
|
|
|
|
return status;
|
|
}
|
|
|
|
DYNAMIC_API PEP_STATUS key_reset_trust(
|
|
PEP_SESSION session,
|
|
pEp_identity *ident
|
|
)
|
|
{
|
|
PEP_STATUS status = PEP_STATUS_OK;
|
|
|
|
assert(session);
|
|
assert(ident);
|
|
assert(!EMPTYSTR(ident->fpr));
|
|
assert(!EMPTYSTR(ident->address));
|
|
assert(!EMPTYSTR(ident->user_id));
|
|
|
|
if (!(session && ident && ident->fpr && ident->fpr[0] != '\0' && ident->address &&
|
|
ident->user_id))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
// we do not change the input struct at ALL.
|
|
pEp_identity* input_copy = identity_dup(ident);
|
|
|
|
pEp_identity* tmp_ident = NULL;
|
|
|
|
status = get_trust(session, input_copy);
|
|
|
|
if (status != PEP_STATUS_OK)
|
|
goto pEp_free;
|
|
|
|
PEP_comm_type new_trust = PEP_ct_unknown;
|
|
status = get_key_rating(session, ident->fpr, &new_trust);
|
|
if (status != PEP_STATUS_OK)
|
|
goto pEp_free;
|
|
|
|
bool pEp_user = false;
|
|
|
|
status = is_pEp_user(session, ident, &pEp_user);
|
|
|
|
if (pEp_user && new_trust >= PEP_ct_unconfirmed_encryption)
|
|
input_copy->comm_type = PEP_ct_pEp_unconfirmed;
|
|
else
|
|
input_copy->comm_type = new_trust;
|
|
|
|
status = set_trust(session, input_copy);
|
|
|
|
if (status != PEP_STATUS_OK)
|
|
goto pEp_free;
|
|
|
|
bool mistrusted_key = false;
|
|
|
|
status = is_mistrusted_key(session, ident->fpr, &mistrusted_key);
|
|
|
|
if (status != PEP_STATUS_OK)
|
|
goto pEp_free;
|
|
|
|
if (mistrusted_key)
|
|
status = delete_mistrusted_key(session, ident->fpr);
|
|
|
|
if (status != PEP_STATUS_OK)
|
|
goto pEp_free;
|
|
|
|
tmp_ident = new_identity(ident->address, NULL, ident->user_id, NULL);
|
|
|
|
if (!tmp_ident)
|
|
return PEP_OUT_OF_MEMORY;
|
|
|
|
if (is_me(session, tmp_ident))
|
|
status = myself(session, tmp_ident);
|
|
else
|
|
status = update_identity(session, tmp_ident);
|
|
|
|
if (status != PEP_STATUS_OK)
|
|
goto pEp_free;
|
|
|
|
// remove as default if necessary
|
|
if (!EMPTYSTR(tmp_ident->fpr) && strcmp(tmp_ident->fpr, ident->fpr) == 0) {
|
|
free(tmp_ident->fpr);
|
|
tmp_ident->fpr = NULL;
|
|
tmp_ident->comm_type = PEP_ct_unknown;
|
|
status = set_identity(session, tmp_ident);
|
|
if (status != PEP_STATUS_OK)
|
|
goto pEp_free;
|
|
}
|
|
|
|
char* user_default = NULL;
|
|
get_main_user_fpr(session, tmp_ident->user_id, &user_default);
|
|
|
|
if (!EMPTYSTR(user_default)) {
|
|
if (strcmp(user_default, ident->fpr) == 0)
|
|
status = refresh_userid_default_key(session, ident->user_id);
|
|
if (status != PEP_STATUS_OK)
|
|
goto pEp_free;
|
|
}
|
|
|
|
pEp_free:
|
|
free_identity(tmp_ident);
|
|
free_identity(input_copy);
|
|
return status;
|
|
}
|
|
|
|
// Technically speaking, this should not EVER
|
|
// return PASSPHRASE errors, because
|
|
// this is never for an own identity (enforced), and thus
|
|
// validate_fpr will not call renew_key.
|
|
// If it ever does, the status gets propagated, but
|
|
// it is distinctly not OK.
|
|
DYNAMIC_API PEP_STATUS trust_personal_key(
|
|
PEP_SESSION session,
|
|
pEp_identity *ident
|
|
)
|
|
{
|
|
PEP_STATUS status = PEP_STATUS_OK;
|
|
|
|
assert(session);
|
|
assert(ident);
|
|
assert(!EMPTYSTR(ident->address));
|
|
assert(!EMPTYSTR(ident->user_id));
|
|
assert(!EMPTYSTR(ident->fpr));
|
|
|
|
if (!ident || EMPTYSTR(ident->address) || EMPTYSTR(ident->user_id) ||
|
|
EMPTYSTR(ident->fpr))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
if (is_me(session, ident))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
char* ident_default_fpr = NULL;
|
|
|
|
// Before we do anything, be sure the input fpr is even eligible to be trusted
|
|
PEP_comm_type input_default_ct = PEP_ct_unknown;
|
|
status = get_key_rating(session, ident->fpr, &input_default_ct);
|
|
if (input_default_ct < PEP_ct_strong_but_unconfirmed)
|
|
return PEP_KEY_UNSUITABLE;
|
|
|
|
status = set_pgp_keypair(session, ident->fpr);
|
|
if (status != PEP_STATUS_OK)
|
|
return status;
|
|
|
|
pEp_identity* ident_copy = identity_dup(ident);
|
|
char* cached_fpr = NULL;
|
|
|
|
// for setting up a temp trusted identity for the input fpr
|
|
pEp_identity* tmp_id = NULL;
|
|
|
|
// For later, in case we need to check the user default key
|
|
pEp_identity* tmp_user_ident = NULL;
|
|
|
|
// Save the input fpr, which we already tested as non-NULL
|
|
cached_fpr = strdup(ident->fpr);
|
|
|
|
// Set up a temp trusted identity for the input fpr without a comm type;
|
|
tmp_id = new_identity(ident->address, ident->fpr, ident->user_id, NULL);
|
|
|
|
status = validate_fpr(session, tmp_id, false, true, false);
|
|
|
|
if (status == PEP_STATUS_OK) {
|
|
// Validate fpr gets trust DB or, when that fails, key comm type. we checked
|
|
// above that the key was ok. (not revoked or expired), but we want the max.
|
|
tmp_id->comm_type = _MAX(tmp_id->comm_type, input_default_ct) | PEP_ct_confirmed;
|
|
|
|
// Get the default identity without setting the fpr
|
|
status = update_identity(session, ident_copy);
|
|
|
|
ident_default_fpr = (EMPTYSTR(ident_copy->fpr) ? NULL : strdup(ident_copy->fpr));
|
|
|
|
if (status == PEP_STATUS_OK) {
|
|
bool trusted_default = false;
|
|
|
|
// If there's no default, or the default is different from the input...
|
|
if (EMPTYSTR(ident_default_fpr) || strcmp(cached_fpr, ident_default_fpr) != 0) {
|
|
|
|
// If the default fpr (if there is one) is trusted and key is strong enough,
|
|
// don't replace, we just set the trusted bit on this key for this user_id...
|
|
// (If there's no default fpr, this won't be true anyway.)
|
|
if ((ident_copy->comm_type >= PEP_ct_strong_but_unconfirmed &&
|
|
(ident_copy->comm_type & PEP_ct_confirmed))) {
|
|
|
|
trusted_default = true;
|
|
|
|
status = set_trust(session, tmp_id);
|
|
input_default_ct = tmp_id->comm_type;
|
|
}
|
|
else {
|
|
free(ident_copy->fpr);
|
|
ident_copy->fpr = strdup(cached_fpr);
|
|
ident_copy->comm_type = tmp_id->comm_type;
|
|
status = set_identity(session, ident_copy); // replace identity default
|
|
if (status == PEP_STATUS_OK) {
|
|
if ((ident_copy->comm_type | PEP_ct_confirmed) == PEP_ct_pEp)
|
|
status = set_as_pEp_user(session, ident_copy);
|
|
}
|
|
}
|
|
}
|
|
else { // we're setting this on the default fpr
|
|
ident->comm_type = tmp_id->comm_type;
|
|
status = set_identity(session, ident);
|
|
trusted_default = true;
|
|
}
|
|
if (status == PEP_STATUS_OK && !trusted_default) {
|
|
// Ok, there wasn't a trusted default, so we replaced. Thus, we also
|
|
// make sure there's a trusted default on the user_id. If there
|
|
// is not, we make this the default.
|
|
char* user_default = NULL;
|
|
status = get_main_user_fpr(session, ident->user_id, &user_default);
|
|
|
|
if (status == PEP_STATUS_OK && user_default) {
|
|
tmp_user_ident = new_identity(ident->address,
|
|
user_default,
|
|
ident->user_id,
|
|
NULL);
|
|
if (!tmp_user_ident)
|
|
status = PEP_OUT_OF_MEMORY;
|
|
else {
|
|
status = validate_fpr(session, tmp_user_ident, false, true, false);
|
|
|
|
if (status != PEP_STATUS_OK ||
|
|
tmp_user_ident->comm_type < PEP_ct_strong_but_unconfirmed ||
|
|
!(tmp_user_ident->comm_type & PEP_ct_confirmed))
|
|
{
|
|
char* trusted_fpr = (trusted_default ? ident_default_fpr : cached_fpr);
|
|
status = replace_main_user_fpr(session, ident->user_id, trusted_fpr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
free(ident_default_fpr);
|
|
free(cached_fpr);
|
|
free_identity(tmp_id);
|
|
free_identity(ident_copy);
|
|
free_identity(tmp_user_ident);
|
|
return status;
|
|
}
|
|
|
|
DYNAMIC_API PEP_STATUS trust_own_key(
|
|
PEP_SESSION session,
|
|
pEp_identity* ident
|
|
)
|
|
{
|
|
assert(session);
|
|
assert(ident);
|
|
assert(!EMPTYSTR(ident->address));
|
|
assert(!EMPTYSTR(ident->user_id));
|
|
assert(!EMPTYSTR(ident->fpr));
|
|
|
|
if (!ident || EMPTYSTR(ident->address) || EMPTYSTR(ident->user_id) ||
|
|
EMPTYSTR(ident->fpr))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
if (!is_me(session, ident))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
// don't check blacklist or require a private key
|
|
PEP_STATUS status = validate_fpr(session, ident, false, false, true);
|
|
|
|
if (status != PEP_STATUS_OK)
|
|
return status;
|
|
|
|
status = set_pgp_keypair(session, ident->fpr);
|
|
if (status != PEP_STATUS_OK)
|
|
return status;
|
|
|
|
if (ident->comm_type < PEP_ct_strong_but_unconfirmed)
|
|
return PEP_KEY_UNSUITABLE;
|
|
|
|
ident->comm_type |= PEP_ct_confirmed;
|
|
|
|
status = set_trust(session, ident);
|
|
|
|
return status;
|
|
}
|
|
|
|
|
|
DYNAMIC_API PEP_STATUS own_key_is_listed(
|
|
PEP_SESSION session,
|
|
const char *fpr,
|
|
bool *listed
|
|
)
|
|
{
|
|
PEP_STATUS status = PEP_STATUS_OK;
|
|
int count;
|
|
|
|
assert(session && fpr && fpr[0] && listed);
|
|
|
|
if (!(session && fpr && fpr[0] && listed))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
*listed = false;
|
|
|
|
sqlite3_reset(session->own_key_is_listed);
|
|
sqlite3_bind_text(session->own_key_is_listed, 1, fpr, -1, SQLITE_STATIC);
|
|
|
|
int result;
|
|
|
|
result = sqlite3_step(session->own_key_is_listed);
|
|
switch (result) {
|
|
case SQLITE_ROW:
|
|
count = sqlite3_column_int(session->own_key_is_listed, 0);
|
|
*listed = count > 0;
|
|
status = PEP_STATUS_OK;
|
|
break;
|
|
|
|
default:
|
|
status = PEP_UNKNOWN_ERROR;
|
|
}
|
|
|
|
sqlite3_reset(session->own_key_is_listed);
|
|
return status;
|
|
}
|
|
|
|
PEP_STATUS _own_identities_retrieve(
|
|
PEP_SESSION session,
|
|
identity_list **own_identities,
|
|
identity_flags_t excluded_flags
|
|
)
|
|
{
|
|
PEP_STATUS status = PEP_STATUS_OK;
|
|
|
|
assert(session && own_identities);
|
|
if (!(session && own_identities))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
*own_identities = NULL;
|
|
identity_list *_own_identities = new_identity_list(NULL);
|
|
if (_own_identities == NULL)
|
|
goto enomem;
|
|
|
|
sqlite3_reset(session->own_identities_retrieve);
|
|
|
|
int result;
|
|
// address, fpr, username, user_id, comm_type, lang, flags
|
|
const char *address = NULL;
|
|
const char *fpr = NULL;
|
|
const char *username = NULL;
|
|
const char *user_id = NULL;
|
|
PEP_comm_type comm_type = PEP_ct_unknown;
|
|
const char *lang = NULL;
|
|
unsigned int flags = 0;
|
|
|
|
identity_list *_bl = _own_identities;
|
|
|
|
sqlite3_bind_int(session->own_identities_retrieve, 1, excluded_flags);
|
|
|
|
do {
|
|
result = sqlite3_step(session->own_identities_retrieve);
|
|
switch (result) {
|
|
case SQLITE_ROW:
|
|
address = (const char *)
|
|
sqlite3_column_text(session->own_identities_retrieve, 0);
|
|
fpr = (const char *)
|
|
sqlite3_column_text(session->own_identities_retrieve, 1);
|
|
user_id = (const char *)
|
|
sqlite3_column_text(session->own_identities_retrieve, 2);
|
|
username = (const char *)
|
|
sqlite3_column_text(session->own_identities_retrieve, 3);
|
|
comm_type = PEP_ct_pEp;
|
|
lang = (const char *)
|
|
sqlite3_column_text(session->own_identities_retrieve, 4);
|
|
flags = (unsigned int)
|
|
sqlite3_column_int(session->own_identities_retrieve, 5);
|
|
|
|
pEp_identity *ident = new_identity(address, fpr, user_id, username);
|
|
if (!ident)
|
|
goto enomem;
|
|
ident->comm_type = comm_type;
|
|
if (lang && lang[0]) {
|
|
ident->lang[0] = lang[0];
|
|
ident->lang[1] = lang[1];
|
|
ident->lang[2] = 0;
|
|
}
|
|
ident->me = true;
|
|
ident->flags = flags;
|
|
|
|
_bl = identity_list_add(_bl, ident);
|
|
if (_bl == NULL) {
|
|
free_identity(ident);
|
|
goto enomem;
|
|
}
|
|
|
|
break;
|
|
|
|
case SQLITE_DONE:
|
|
break;
|
|
|
|
default:
|
|
status = PEP_UNKNOWN_ERROR;
|
|
result = SQLITE_DONE;
|
|
}
|
|
} while (result != SQLITE_DONE);
|
|
|
|
sqlite3_reset(session->own_identities_retrieve);
|
|
if (status == PEP_STATUS_OK)
|
|
*own_identities = _own_identities;
|
|
else
|
|
free_identity_list(_own_identities);
|
|
|
|
goto the_end;
|
|
|
|
enomem:
|
|
free_identity_list(_own_identities);
|
|
status = PEP_OUT_OF_MEMORY;
|
|
|
|
the_end:
|
|
return status;
|
|
}
|
|
|
|
DYNAMIC_API PEP_STATUS own_identities_retrieve(
|
|
PEP_SESSION session,
|
|
identity_list **own_identities
|
|
)
|
|
{
|
|
return _own_identities_retrieve(session, own_identities, 0);
|
|
}
|
|
|
|
PEP_STATUS _own_keys_retrieve(
|
|
PEP_SESSION session,
|
|
stringlist_t **keylist,
|
|
identity_flags_t excluded_flags,
|
|
bool private_only
|
|
)
|
|
{
|
|
PEP_STATUS status = PEP_STATUS_OK;
|
|
|
|
assert(session && keylist);
|
|
if (!(session && keylist))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
*keylist = NULL;
|
|
stringlist_t *_keylist = NULL;
|
|
|
|
sqlite3_reset(session->own_keys_retrieve);
|
|
|
|
int result;
|
|
|
|
stringlist_t *_bl = _keylist;
|
|
sqlite3_bind_int(session->own_keys_retrieve, 1, excluded_flags);
|
|
|
|
do {
|
|
result = sqlite3_step(session->own_keys_retrieve);
|
|
switch (result) {
|
|
case SQLITE_ROW:
|
|
_bl = stringlist_add(_bl, (const char *)
|
|
sqlite3_column_text(session->own_keys_retrieve, 0));
|
|
if (_bl == NULL)
|
|
goto enomem;
|
|
if (_keylist == NULL)
|
|
_keylist = _bl;
|
|
break;
|
|
|
|
case SQLITE_DONE:
|
|
break;
|
|
|
|
default:
|
|
status = PEP_UNKNOWN_ERROR;
|
|
result = SQLITE_DONE;
|
|
}
|
|
} while (result != SQLITE_DONE);
|
|
|
|
sqlite3_reset(session->own_keys_retrieve);
|
|
if (status == PEP_STATUS_OK) {
|
|
dedup_stringlist(_keylist);
|
|
if (private_only) {
|
|
stringlist_t* _kl = _keylist;
|
|
stringlist_t* _kl_prev = NULL;
|
|
while (_kl) {
|
|
bool has_private = false;
|
|
contains_priv_key(session, _kl->value, &has_private);
|
|
if (!has_private) {
|
|
stringlist_t* _kl_tmp = _kl;
|
|
if (_kl_prev)
|
|
_kl_prev->next = _kl->next;
|
|
else
|
|
_keylist = _kl->next;
|
|
|
|
_kl = _kl->next;
|
|
|
|
_kl_tmp->next = NULL;
|
|
free_stringlist(_kl_tmp);
|
|
continue;
|
|
}
|
|
_kl_prev = _kl;
|
|
_kl = _kl->next;
|
|
}
|
|
}
|
|
*keylist = _keylist;
|
|
}
|
|
else
|
|
free_stringlist(_keylist);
|
|
|
|
goto the_end;
|
|
|
|
enomem:
|
|
free_stringlist(_keylist);
|
|
status = PEP_OUT_OF_MEMORY;
|
|
|
|
the_end:
|
|
return status;
|
|
}
|
|
|
|
DYNAMIC_API PEP_STATUS own_keys_retrieve(PEP_SESSION session, stringlist_t **keylist)
|
|
{
|
|
return _own_keys_retrieve(session, keylist, 0, true);
|
|
}
|
|
|
|
// Returns PASSPHRASE errors when necessary
|
|
DYNAMIC_API PEP_STATUS set_own_key(
|
|
PEP_SESSION session,
|
|
pEp_identity *me,
|
|
const char *fpr
|
|
)
|
|
{
|
|
PEP_STATUS status = PEP_STATUS_OK;
|
|
|
|
assert(session && me);
|
|
assert(!EMPTYSTR(fpr));
|
|
assert(!EMPTYSTR(me->address));
|
|
assert(!EMPTYSTR(me->user_id));
|
|
assert(!EMPTYSTR(me->username));
|
|
|
|
if (!session || !me || EMPTYSTR(fpr) || EMPTYSTR(me->address) ||
|
|
EMPTYSTR(me->user_id) || EMPTYSTR(me->username))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
if (me->fpr == fpr)
|
|
me->fpr = NULL;
|
|
|
|
// renew if needed, but do not generate
|
|
status = _myself(session, me, false, true, true, false);
|
|
// we do not need a valid key but dislike other errors
|
|
if (status != PEP_STATUS_OK && status != PEP_GET_KEY_FAILED && status != PEP_KEY_UNSUITABLE)
|
|
return status;
|
|
status = PEP_STATUS_OK;
|
|
|
|
bool private = false;
|
|
status = contains_priv_key(session, fpr, &private);
|
|
|
|
if (status != PEP_STATUS_OK)
|
|
return status;
|
|
|
|
if (!private)
|
|
return PEP_KEY_UNSUITABLE;
|
|
|
|
if (me->fpr)
|
|
free(me->fpr);
|
|
me->fpr = strdup(fpr);
|
|
assert(me->fpr);
|
|
if (!me->fpr)
|
|
return PEP_OUT_OF_MEMORY;
|
|
|
|
status = validate_fpr(session, me, false, true, true);
|
|
if (status)
|
|
return status;
|
|
|
|
me->comm_type = PEP_ct_pEp;
|
|
status = set_identity(session, me);
|
|
if (status == PEP_STATUS_OK)
|
|
signal_Sync_event(session, Sync_PR_keysync, SynchronizeGroupKeys, NULL);
|
|
|
|
return status;
|
|
}
|
|
|
|
PEP_STATUS contains_priv_key(PEP_SESSION session, const char *fpr,
|
|
bool *has_private) {
|
|
|
|
assert(session);
|
|
assert(fpr);
|
|
assert(has_private);
|
|
|
|
if (!(session && fpr && has_private))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
return session->cryptotech[PEP_crypt_OpenPGP].contains_priv_key(session, fpr, has_private);
|
|
}
|
|
|
|
PEP_STATUS add_mistrusted_key(PEP_SESSION session, const char* fpr)
|
|
{
|
|
int result;
|
|
|
|
assert(!EMPTYSTR(fpr));
|
|
|
|
if (!(session) || EMPTYSTR(fpr))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
sqlite3_reset(session->add_mistrusted_key);
|
|
sqlite3_bind_text(session->add_mistrusted_key, 1, fpr, -1,
|
|
SQLITE_STATIC);
|
|
|
|
result = sqlite3_step(session->add_mistrusted_key);
|
|
sqlite3_reset(session->add_mistrusted_key);
|
|
|
|
if (result != SQLITE_DONE)
|
|
return PEP_CANNOT_SET_PGP_KEYPAIR; // FIXME: Better status?
|
|
|
|
return PEP_STATUS_OK;
|
|
}
|
|
|
|
PEP_STATUS delete_mistrusted_key(PEP_SESSION session, const char* fpr)
|
|
{
|
|
int result;
|
|
|
|
assert(!EMPTYSTR(fpr));
|
|
|
|
if (!(session) || EMPTYSTR(fpr))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
sqlite3_reset(session->delete_mistrusted_key);
|
|
sqlite3_bind_text(session->delete_mistrusted_key, 1, fpr, -1,
|
|
SQLITE_STATIC);
|
|
|
|
result = sqlite3_step(session->delete_mistrusted_key);
|
|
sqlite3_reset(session->delete_mistrusted_key);
|
|
|
|
if (result != SQLITE_DONE)
|
|
return PEP_UNKNOWN_ERROR; // FIXME: Better status?
|
|
|
|
return PEP_STATUS_OK;
|
|
}
|
|
|
|
PEP_STATUS is_mistrusted_key(PEP_SESSION session, const char* fpr,
|
|
bool* mistrusted)
|
|
{
|
|
PEP_STATUS status = PEP_STATUS_OK;
|
|
|
|
assert(session);
|
|
assert(!EMPTYSTR(fpr));
|
|
|
|
if (!(session && fpr))
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
*mistrusted = false;
|
|
|
|
sqlite3_reset(session->is_mistrusted_key);
|
|
sqlite3_bind_text(session->is_mistrusted_key, 1, fpr, -1, SQLITE_STATIC);
|
|
|
|
int result;
|
|
|
|
result = sqlite3_step(session->is_mistrusted_key);
|
|
switch (result) {
|
|
case SQLITE_ROW:
|
|
*mistrusted = sqlite3_column_int(session->is_mistrusted_key, 0);
|
|
status = PEP_STATUS_OK;
|
|
break;
|
|
|
|
default:
|
|
status = PEP_UNKNOWN_ERROR;
|
|
}
|
|
|
|
sqlite3_reset(session->is_mistrusted_key);
|
|
return status;
|
|
}
|
|
|
|
static PEP_STATUS _wipe_default_key_if_invalid(PEP_SESSION session,
|
|
pEp_identity* ident) {
|
|
|
|
PEP_STATUS status = PEP_STATUS_OK;
|
|
|
|
if (!ident->user_id)
|
|
return PEP_ILLEGAL_VALUE;
|
|
|
|
if (!ident->fpr)
|
|
return status;
|
|
|
|
char* cached_fpr = strdup(ident->fpr);
|
|
if (!ident->fpr)
|
|
return PEP_OUT_OF_MEMORY;
|
|
|
|
PEP_STATUS keystatus = validate_fpr(session, ident, true, false, true);
|
|
if (PASS_ERROR(status))
|
|
return status;
|
|
|
|
switch (keystatus) {
|
|
case PEP_STATUS_OK:
|
|
// Check for non-renewable expiry and
|
|
// if so, fallthrough
|
|
if (ident->comm_type != PEP_ct_key_expired_but_confirmed &&
|
|
ident->comm_type != PEP_ct_key_expired) {
|
|
break;
|
|
}
|
|
case PEP_KEY_UNSUITABLE:
|
|
case PEP_KEY_BLACKLISTED:
|
|
// Remove key as default for all identities and users
|
|
status = remove_fpr_as_default(session, cached_fpr);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
free(cached_fpr);
|
|
|
|
// This may have been for a user default, not an identity default.
|
|
if (status == PEP_STATUS_OK && !(EMPTYSTR(ident->address)))
|
|
status = myself(session, ident);
|
|
|
|
return status;
|
|
}
|
|
|
|
DYNAMIC_API PEP_STATUS clean_own_key_defaults(PEP_SESSION session) {
|
|
identity_list* idents = NULL;
|
|
PEP_STATUS status = own_identities_retrieve(session, &idents);
|
|
if (status != PEP_STATUS_OK)
|
|
return status;
|
|
|
|
if (!idents)
|
|
return PEP_STATUS_OK;
|
|
|
|
if (!idents->ident && !idents->next) {
|
|
free_identity_list(idents);
|
|
return PEP_STATUS_OK;
|
|
} // Kludge: FIX own_identities_retrieve. Should return NULL, not empty list
|
|
|
|
identity_list* curr = idents;
|
|
|
|
for ( ; curr ; curr = curr->next) {
|
|
pEp_identity* ident = curr->ident;
|
|
if (!ident)
|
|
continue;
|
|
|
|
status = _wipe_default_key_if_invalid(session, ident);
|
|
if (PASS_ERROR(status))
|
|
return status;
|
|
}
|
|
|
|
free_identity_list(idents);
|
|
|
|
// Also remove invalid default user key
|
|
char* own_id = NULL;
|
|
|
|
status = get_default_own_userid(session, &own_id);
|
|
|
|
if (status != PEP_STATUS_OK)
|
|
return status;
|
|
|
|
if (own_id) {
|
|
char* user_default_key = NULL;
|
|
status = get_user_default_key(session, own_id, &user_default_key);
|
|
if (status != PEP_STATUS_OK) {
|
|
free(own_id);
|
|
if (status == PEP_KEY_NOT_FOUND)
|
|
status = PEP_STATUS_OK;
|
|
else
|
|
return status;
|
|
}
|
|
else if (user_default_key) {
|
|
pEp_identity* empty_user = new_identity(NULL, user_default_key, own_id, NULL);
|
|
status = _wipe_default_key_if_invalid(session, empty_user);
|
|
if (PASS_ERROR(status))
|
|
return status;
|
|
|
|
free(user_default_key);
|
|
}
|
|
free(own_id);
|
|
}
|
|
return status;
|
|
}
|