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keyboxd: New command TRANSACTION.

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* kbx/backend-sqlite.c (be_sqlite_rollback): New.
(be_sqlite_commit): New.
(be_sqlite_search): Take care of global transactions.
(be_sqlite_store): Ditto.
(be_sqlite_delete): Ditto.
* kbx/frontend.c (kbxd_rollback, kbxd_commit): New.
* kbx/keyboxd.h (opt): Add vars for transactions.
* kbx/kbxserver.c (struct server_local_s): Add fields next_session and
client_pid.
(session_list): New var.
(cmd_transaction): New.
(register_commands): Register command.
(kbxd_start_command_handler): Store pids and track sessions.  Do a
final rollback.
--

This command is currently an experiment to allow a client to run
everything in one session.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-09-24 16:38:21 +02:00
parent b19a60c6f7
commit c2b14f5d68
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GPG key ID: E3FDFF218E45B72B
6 changed files with 230 additions and 10 deletions
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10
kbx/keyboxd.h
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@ -45,6 +45,15 @@ struct
/* True if we are running detached from the tty. */
int running_detached;
/*
* Global state variables.
*/
/* Whether a global transaction has been requested along with the
* caller's pid and whether a transaction is active. */
pid_t transaction_pid;
unsigned int in_transaction : 1;
unsigned int active_transaction : 1;
} opt;
@ -118,6 +127,7 @@ struct server_control_s
unsigned int filter_x509 : 1;
/* Used by SEARCH and NEXT. */
unsigned int no_data_return : 1;
};