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Code Issues Releases Wiki Activity

actions: handle possible keyring saving failures

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This commit is contained in:
Mirek Kratochvil 2013-09-12 13:16:57 +02:00
parent 815fec23cb
commit 54c9129ab1
1 changed files with 16 additions and 5 deletions
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21
src/actions.cpp
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@ -109,9 +109,22 @@ int action_gen_key (const std::string& algspec, const std::string&name,
PREPARE_KEYRING;
//TODO this can fail, handle it.
KR.store_keypair (keyring::get_keyid (pub), name, algname, pub, priv);
//pub&priv data will get destroyed along with keyring
/*
* there is a tiny chance that someone will eventually generate a key
* that has a colliding KeyID with anyone else. This is highly
* improbable, so apologize nicely in that case.
*/
if (!KR.store_keypair (keyring::get_keyid (pub),
name, algname, pub, priv) ) {
err ("error: new key cannot be saved into the keyring.");
err ("notice: produced KeyID @" << keyring::get_keyid (pub)
<< " apparently collides with some other known KeyID!");
err ("notice: if this is not a bug, magic has just happened!");
return 1;
}
//note that pub&priv sencode data will get destroyed along with keyring
if (!KR.save() ) {
err ("error: couldn't save keyring");
@ -1079,7 +1092,6 @@ int action_import (bool armor, bool no_action, bool yes, bool fp,
if (keyspec_matches (filter, i->second.name, i->first) ) {
KR.remove_pubkey (i->first);
KR.remove_keypair (i->first);
//TODO this can fail, handle it.
KR.store_pubkey (i->first,
name.length() ?
name : i->second.name,
@ -1342,7 +1354,6 @@ int action_import_sec (bool armor, bool no_action, bool yes, bool fp,
if (keyspec_matches (filter, i->second.pub.name, i->first) ) {
KR.remove_pubkey (i->first);
KR.remove_keypair (i->first);
//TODO this can fail, handle it.
KR.store_keypair (i->first,
name.length() ?
name : i->second.pub.name,