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* call-scd.c (atfork_cb): New.

Browse Source 
(start_scd): Make sure secmem gets cleared.
* query.c  (atfork_cb): New.
(start_pinentry): Make sure secmem gets cleared.
This commit is contained in:
Werner Koch 2004-01-24 20:50:49 +00:00
parent af41684669
commit 203e1cc272
3 changed files with 34 additions and 6 deletions
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7
agent/ChangeLog
View File

@ -1,3 +1,10 @@
2004-01-24 Werner Koch <wk@gnupg.org>
* call-scd.c (atfork_cb): New.
(start_scd): Make sure secmem gets cleared.
* query.c (atfork_cb): New.
(start_pinentry): Make sure secmem gets cleared.
2004-01-16 Werner Koch <wk@gnupg.org>
* findkey.c (agent_key_from_file): Now return an error code so

16
agent/call-scd.c
View File

@ -152,6 +152,16 @@ unlock_scd (int rc)
return rc;
}
/* To make sure we leave no secrets in our image after forking of the
scdaemon, we use this callback. */
static void
atfork_cb (void *opaque, int where)
{
if (!where)
gcry_control (GCRYCTL_TERM_SECMEM);
}
/* Fork off the SCdaemon if this has not already been done */
static int
start_scd (void)
@ -206,9 +216,9 @@ start_scd (void)
}
no_close_list[i] = -1;
/* connect to the pinentry and perform initial handshaking */
rc = assuan_pipe_connect (&ctx, opt.scdaemon_program, (char**)argv,
no_close_list);
/* Connect to the pinentry and perform initial handshaking */
rc = assuan_pipe_connect2 (&ctx, opt.scdaemon_program, (char**)argv,
no_close_list, atfork_cb, NULL);
if (rc)
{
log_error ("can't connect to the SCdaemon: %s\n",

17
agent/query.c
View File

@ -78,6 +78,17 @@ unlock_pinentry (int rc)
return rc;
}
/* To make sure we leave no secrets in our image after forking of the
pinentry, we use this callback. */
static void
atfork_cb (void *opaque, int where)
{
if (!where)
gcry_control (GCRYCTL_TERM_SECMEM);
}
/* Fork off the pin entry if this has not already been done. Note,
that this function must always be used to aquire the lock for the
pinentry - we will serialize _all_ pinentry calls.
@ -139,9 +150,9 @@ start_pinentry (CTRL ctrl)
}
no_close_list[i] = -1;
/* connect to the pinentry and perform initial handshaking */
rc = assuan_pipe_connect (&ctx, opt.pinentry_program, (char**)argv,
no_close_list);
/* Connect to the pinentry and perform initial handshaking */
rc = assuan_pipe_connect2 (&ctx, opt.pinentry_program, (char**)argv,
no_close_list, atfork_cb, NULL);
if (rc)
{
log_error ("can't connect to the PIN entry module: %s\n",