diff options
Diffstat (limited to 'g10/call-agent.c')
| -rw-r--r-- | g10/call-agent.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/g10/call-agent.c b/g10/call-agent.c index 744c0fcb8..daf12fae7 100644 --- a/g10/call-agent.c +++ b/g10/call-agent.c @@ -3243,6 +3243,45 @@ agent_passwd (ctrl_t ctrl, const char *hexkeygrip, const char *desc, int verify, } +/* Enable or disable the ephemeral mode. In ephemeral mode keys are + * created,searched and used in a per-session key store and not in the + * on-disk file. Set ENABLE to 1 to enable this mode, to 0 to disable + * this mode and to -1 to only query the current mode. If R_PREVIOUS + * is given the previously used state of the ephemeral mode is stored + * at that address. */ +gpg_error_t +agent_set_ephemeral_mode (ctrl_t ctrl, int enable, int *r_previous) +{ + gpg_error_t err; + + err = start_agent (ctrl, 0); + if (err) + goto leave; + + if (r_previous) + { + err = assuan_transact (agent_ctx, "GETINFO ephemeral", + NULL, NULL, NULL, NULL, NULL, NULL); + if (!err) + *r_previous = 1; + else if (gpg_err_code (err) == GPG_ERR_FALSE) + *r_previous = 0; + else + goto leave; + } + + /* Skip setting if we are only querying or if the mode is already set. */ + if (enable == -1 || (r_previous && !!*r_previous == !!enable)) + err = 0; + else + err = assuan_transact (agent_ctx, + enable? "OPTION ephemeral=1" : "OPTION ephemeral=0", + NULL, NULL, NULL, NULL, NULL, NULL); + leave: + return err; +} + + /* Return the version reported by gpg-agent. */ gpg_error_t agent_get_version (ctrl_t ctrl, char **r_version) |