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gpg: Assert that an opaque parameter is really what we expect.

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* g10/gpg.h (SERVER_CONTROL_MAGIC): New const.
(server_control_s): Add field 'magic'.
* g10/gpg.c (gpg_init_default_ctrl): Init MAGIC.
* g10/import.c (impex_filter_getval): Assert MAGIC.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-03-31 20:06:54 +02:00
parent 8f2671d2cc
commit 52ba5e67ca
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GPG key ID: E3FDFF218E45B72B
3 changed files with 12 additions and 1 deletions
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g10/import.c
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@ -1182,6 +1182,8 @@ impex_filter_getval (void *cookie, const char *propname)
static char numbuf[20];
const char *result;
log_assert (ctrl && ctrl->magic == SERVER_CONTROL_MAGIC);
if (node->pkt->pkttype == PKT_USER_ID
|| node->pkt->pkttype == PKT_ATTRIBUTE)
{