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gpg: new list-option show-x509-notations

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* g10/gpg.c (parse_list_options): Add new option.
* g10/options.h (LIST_SHOW_X509_NOTATIONS): New.
* g10/build-packet.c (search_sig_notations): New.
* g10/keylist.c (print_x509_notations): New.
(list_signature_print): Use macros for the sig classes.  Call
print_x509_notations.
(list_keyblock_print): Call list_signature_print if x509 notation
printing is enabled.
This commit is contained in:
Werner Koch 2024-03-12 18:01:24 +01:00
parent 81536535f8
commit 14c1b73093
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
6 changed files with 134 additions and 16 deletions
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66
g10/build-packet.c
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@ -1748,6 +1748,72 @@ sig_to_notation(PKT_signature *sig)
return list;
}
/* Return a list of notation data matching NAME. The caller needs to
* to free the list using free_notation. Other than sig_to_notation
* this function does not return the notation in human readable format
* but always returns the raw data. The human readable flag is set
* anyway set but .value is always NULL. */
struct notation *
search_sig_notations (PKT_signature *sig, const char *name)
{
const byte *p;
size_t len;
int seq = 0;
int crit;
notation_t list = NULL;
while((p=enum_sig_subpkt (sig, 1, SIGSUBPKT_NOTATION, &len, &seq, &crit)))
{
int n1,n2;
struct notation *n=NULL;
if (len < 8)
{
log_info (_("WARNING: invalid notation data found\n"));
continue;
}
/* name length. */
n1=(p[4]<<8)|p[5];
/* value length. */
n2=(p[6]<<8)|p[7];
if (8 + n1 + n2 != len)
{
log_info (_("WARNING: invalid notation data found\n"));
continue;
}
if (!name)
; /* Return everything. */
else if (n1 != strlen (name) || memcmp (p+8, name, n1))
continue; /* Not the requested name. */
n = xmalloc_clear (sizeof *n);
n->name = xmalloc (n1+1);
memcpy (n->name,p + 8, n1);
n->name[n1]='\0';
/* In any case append a Nul. */
n->bdat = xmalloc (n2+1);
memcpy (n->bdat, p + 8 + n1, n2);
n->bdat[n2] = '\0';
n->blen = n2;
n->flags.human = !!(p[0] & 0x80);
n->flags.critical = crit;
n->next = list;
list = n;
}
return list;
}
/* Release the resources associated with the *list* of notations. To
release a single notation, make sure that notation->next is
NULL. */