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Add support for certificates having the e-mail address stored in GPGME_ATTR_USERID instead of GPGME_ATTR_EMAIL.

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This commit is contained in:
Karl-Heinz Zimmer 2002-10-31 13:58:54 +00:00
parent 31183197a2
commit 29b7d7ad0b
1 changed files with 58 additions and 13 deletions
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71
gpgmeplug/gpgmeplug.c
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@ -451,20 +451,65 @@ bool warnNoCertificate()
} }
bool isEmailInCertificate( const char* email, const char* certificate ) bool isEmailInCertificate( const char* email, const char* fingerprint )
{ {
/* PENDING(g10) this function should return true if the email GpgmeCtx ctx;
address passed as the first parameter is contained in the GpgmeError err;
certificate passed as the second parameter, and false GpgmeKey rKey;
otherwise. This is used to alert the user if his own email int UID_idx;
address is not contained in the certificate he uses for const char* attr_string;
signing. int emailCount = 0;
Note that the parameter email can be anything that is allowed bool bOk = false;
in a From: line. int fprLen = strlen( fingerprint );
Another note: OK, OK, we'll handle that in the MUA. You can
assume that you only get the email address. fprintf( stderr, "gpgmeplug isEmailInCertificate looking for fingerprint %s\n", fingerprint );
*/
return false; /* dummy*/ gpgme_new( &ctx );
gpgme_set_protocol( ctx, GPGMEPLUG_PROTOCOL );
err = gpgme_op_keylist_start( ctx, fingerprint, 0 );
if ( GPGME_No_Error == err ) {
err = gpgme_op_keylist_next( ctx, &rKey );
gpgme_op_keylist_end( ctx );
if ( GPGME_No_Error == err ) {
/* extract email(s) */
for( UID_idx = 0;
(attr_string = gpgme_key_get_string_attr(
rKey, GPGME_ATTR_EMAIL, 0, UID_idx ) );
++UID_idx ){
if (attr_string && *attr_string) {
++emailCount;
fprintf( stderr, "gpgmeplug isEmailInCertificate found email: %s\n", attr_string );
if( 0 == strcasecmp(attr_string, email) ){
bOk = true;
break;
}else{
attr_string = gpgme_key_get_string_attr(
rKey, GPGME_ATTR_USERID, 0, UID_idx );
if (attr_string && *attr_string == '<'){
++attr_string;
if( 0 == strncasecmp(attr_string, email, fprLen) ){
bOk = true;
break;
}
}
}
}
}
if( !emailCount )
fprintf( stderr, "gpgmeplug isEmailInCertificate found NO EMAIL\n" );
else if( !bOk )
fprintf( stderr, "gpgmeplug isEmailInCertificate found NO MATCHING email\n" );
gpgme_key_release( rKey );
}else{
fprintf( stderr, "gpgmeplug isEmailInCertificate found NO CERTIFICATE for fingerprint %s\n", fingerprint );
}
}else{
fprintf( stderr, "gpgmeplug isEmailInCertificate could NOT open KEYLIST for fingerprint %s\n", fingerprint );
}
gpgme_release( ctx );
return bOk;
} }