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cmdgen: human-readable certificate info dump.

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The recently added SeatDialogText type was just what I needed to add a
method to the ssh_key vtable for dumping certificate information in a
human-readable format. It will be good for displaying in a Windows
dialog box as well as in cmdgen's text format.

This commit introduces and implements the new method, and adds a
--cert-info mode to command-line Unix PuTTYgen that uses it. The
Windows side will follow shortly.
This commit is contained in:
Simon Tatham
2022-07-30 16:10:45 +01:00
parent 71f43af547
commit 6737a19072
3 changed files with 289 additions and 1 deletions
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3
ssh.h
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@ -851,6 +851,7 @@ struct ssh_keyalg {
uint64_t time, const ca_options *opts,
BinarySink *error);
void (*cert_id_string)(ssh_key *key, BinarySink *);
SeatDialogText *(*cert_info)(ssh_key *key);
/* 'Class methods' that don't deal with an ssh_key at all */
int (*pubkey_bits) (const ssh_keyalg *self, ptrlen blob);
@ -903,6 +904,8 @@ static inline void ssh_key_ca_public_blob(ssh_key *key, BinarySink *bs)
{ key->vt->ca_public_blob(key, bs); }
static inline void ssh_key_cert_id_string(ssh_key *key, BinarySink *bs)
{ key->vt->cert_id_string(key, bs); }
static inline SeatDialogText *ssh_key_cert_info(ssh_key *key)
{ return key->vt->cert_info(key); }
static inline bool ssh_key_check_cert(
ssh_key *key, bool host, ptrlen principal, uint64_t time,
const ca_options *opts, BinarySink *error)