diff options
Diffstat (limited to '')
| -rw-r--r-- | sm/call-dirmngr.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sm/call-dirmngr.c b/sm/call-dirmngr.c index 379d7e9cc..881c484d5 100644 --- a/sm/call-dirmngr.c +++ b/sm/call-dirmngr.c @@ -149,6 +149,41 @@ get_membuf (struct membuf *mb, size_t *len) } +/* Print a warning if the server's version number is less than our + version number. Returns an error code on a connection problem. */ +static gpg_error_t +warn_version_mismatch (ctrl_t ctrl, assuan_context_t ctx, + const char *servername, int mode) +{ + gpg_error_t err; + char *serverversion; + const char *myversion = strusage (13); + + err = get_assuan_server_version (ctx, mode, &serverversion); + if (err) + log_error (_("error getting version from '%s': %s\n"), + servername, gpg_strerror (err)); + else if (!compare_version_strings (serverversion, myversion)) + { + char *warn; + + warn = xtryasprintf (_("server '%s' is older than us (%s < %s)"), + servername, serverversion, myversion); + if (!warn) + err = gpg_error_from_syserror (); + else + { + log_info (_("WARNING: %s\n"), warn); + gpgsm_status2 (ctrl, STATUS_WARNING, "server_version_mismatch 0", + warn, NULL); + xfree (warn); + } + } + xfree (serverversion); + return err; +} + + /* This function prepares the dirmngr for a new session. The audit-events option is used so that other dirmngr clients won't get disturbed by such events. */ @@ -158,6 +193,9 @@ prepare_dirmngr (ctrl_t ctrl, assuan_context_t ctx, gpg_error_t err) struct keyserver_spec *server; if (!err) + err = warn_version_mismatch (ctrl, ctx, DIRMNGR_NAME, 0); + + if (!err) { err = assuan_transact (ctx, "OPTION audit-events=1", NULL, NULL, NULL, NULL, NULL, NULL); |