CVS commit by ossi:
- accept unset CertificateFile
- print the certificate's fingerprint
- make the certificate acceptance prompt much less scary
M +14 -10 drv_imap.c 1.35
--- isync/src/drv_imap.c #1.34:1.35
@@ -189,7 +189,9 @@ verify_cert( SSL *ssl )
{
X509 *cert;
+ BIO *bio;
int err;
+ unsigned n, i;
char buf[256];
- BIO *bio;
+ unsigned char md[EVP_MAX_MD_SIZE];
cert = SSL_get_peer_certificate( ssl );
@@ -220,13 +222,16 @@ verify_cert( SSL *ssl )
BIO_free( bio );
info( " to: %s\n", buf );
+ if (!X509_digest( cert, EVP_md5(), md, &n ))
+ info( "*** Unable to calculate fingerprint\n" );
+ else {
+ info( "Fingerprint: " );
+ for (i = 0; i < n; i += 2)
+ info( "%02X%02X ", md[i], md[i + 1] );
+ info( "\n" );
+ }
- fputs( "\n*** WARNING *** There is no way to verify this certificate.
It is\n"
- " possible that a hostile attacker has replaced
the\n"
- " server certificate. Continue at your own
risk!\n"
- "\nAccept this certificate anyway? [no]: ", stderr );
- if (fgets( buf, sizeof(buf), stdin ) && (buf[0] == 'y' || buf[0] ==
'Y')) {
- error( "\n*** Fine, but don't say I didn't warn you!\n\n" );
+ fputs( "\nAccept certificate? [y/N]: ", stderr );
+ if (fgets( buf, sizeof(buf), stdin ) && (buf[0] == 'y' || buf[0] ==
'Y'))
return 0;
- }
return -1;
}
@@ -246,6 +251,5 @@ init_ssl_ctx( imap_store_t *ctx )
if (!srvc->cert_file) {
- error( "Error, CertificateFile not defined\n" );
- return -1;
+ info( "Note: CertificateFile not defined\n" );
} else if (!SSL_CTX_load_verify_locations( ctx->SSLContext,
srvc->cert_file, NULL )) {
error( "Error while loading certificate file '%s': %s\n",
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