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Add error checking for isEmailInCertificate being called with invalid fingerprint parameter.

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This commit is contained in:
Karl-Heinz Zimmer 2002-10-31 14:19:47 +00:00
parent 29b7d7ad0b
commit e5210c298a
1 changed files with 46 additions and 43 deletions
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89
gpgmeplug/gpgmeplug.c
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@ -453,62 +453,65 @@ bool warnNoCertificate()
bool isEmailInCertificate( const char* email, const char* fingerprint )
{
GpgmeCtx ctx;
GpgmeError err;
GpgmeKey rKey;
int UID_idx;
const char* attr_string;
int emailCount = 0;
bool bOk = false;
int fprLen = strlen( fingerprint );
if( fingerprint ){
GpgmeCtx ctx;
GpgmeError err;
GpgmeKey rKey;
int UID_idx;
const char* attr_string;
int fprLen = strlen( fingerprint );
int emailCount = 0;
fprintf( stderr, "gpgmeplug isEmailInCertificate looking for fingerprint %s\n", fingerprint );
gpgme_new( &ctx );
gpgme_set_protocol( ctx, GPGMEPLUG_PROTOCOL );
fprintf( stderr, "gpgmeplug isEmailInCertificate looking for fingerprint %s\n", fingerprint );
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 );
gpgme_new( &ctx );
gpgme_set_protocol( ctx, GPGMEPLUG_PROTOCOL );
err = gpgme_op_keylist_start( ctx, fingerprint, 0 );
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;
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 );
}
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 );
fprintf( stderr, "gpgmeplug isEmailInCertificate could NOT open KEYLIST for fingerprint %s\n", fingerprint );
}
gpgme_release( ctx );
}else{
fprintf( stderr, "gpgmeplug isEmailInCertificate could NOT open KEYLIST for fingerprint %s\n", fingerprint );
fprintf( stderr, "gpgmeplug isEmailInCertificate called with parameter FINGERPRINT being EMPTY\n" );
}
gpgme_release( ctx );
return bOk;
}