/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Authors: Jeffrey Stedfast * * Copyright 2001 Ximian, Inc. (www.ximian.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include "camel-sasl-cram-md5.h" #include "camel-mime-utils.h" #include "camel-service.h" #include CamelServiceAuthType camel_sasl_cram_md5_authtype = { N_("CRAM-MD5"), N_("This option will connect to the server using a " "secure CRAM-MD5 password, if the server supports it."), "CRAM-MD5", TRUE }; static CamelSaslClass *parent_class = NULL; /* Returns the class for a CamelSaslCramMd5 */ #define CSCM_CLASS(so) CAMEL_SASL_CRAM_MD5_CLASS (CAMEL_OBJECT_GET_CLASS (so)) static GByteArray *cram_md5_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex); static void camel_sasl_cram_md5_class_init (CamelSaslCramMd5Class *camel_sasl_cram_md5_class) { CamelSaslClass *camel_sasl_class = CAMEL_SASL_CLASS (camel_sasl_cram_md5_class); parent_class = CAMEL_SASL_CLASS (camel_type_get_global_classfuncs (camel_sasl_get_type ())); /* virtual method overload */ camel_sasl_class->challenge = cram_md5_challenge; } CamelType camel_sasl_cram_md5_get_type (void) { static CamelType type = CAMEL_INVALID_TYPE; if (type == CAMEL_INVALID_TYPE) { type = camel_type_register (camel_sasl_get_type (), "CamelSaslCramMd5", sizeof (CamelSaslCramMd5), sizeof (CamelSaslCramMd5Class), (CamelObjectClassInitFunc) camel_sasl_cram_md5_class_init, NULL, NULL, NULL); } return type; } /* CRAM-MD5 algorithm: * MD5 ((passwd XOR opad), MD5 ((passwd XOR ipad), timestamp)) */ static GByteArray * cram_md5_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex) { char *passwd; guchar digest[16], md5asc[33], *s, *p; GByteArray *ret = NULL; guchar ipad[64]; guchar opad[64]; MD5Context ctx; int i, pw_len; /* Need to wait for the server */ if (!token) return NULL; g_return_val_if_fail (sasl->service->url->passwd != NULL, NULL); memset (ipad, 0, sizeof (ipad)); memset (opad, 0, sizeof (opad)); passwd = sasl->service->url->passwd; pw_len = strlen (passwd); if (pw_len <= 64) { memcpy (ipad, passwd, pw_len); memcpy (opad, passwd, pw_len); } else { md5_get_digest (passwd, pw_len, ipad); memcpy (opad, ipad, 16); } for (i = 0; i < 64; i++) { ipad[i] ^= 0x36; opad[i] ^= 0x5c; } md5_init (&ctx); md5_update (&ctx, ipad, 64); md5_update (&ctx, token->data, token->len); md5_final (&ctx, digest); md5_init (&ctx); md5_update (&ctx, opad, 64); md5_update (&ctx, digest, 16); md5_final (&ctx, digest); /* lowercase hexify that bad-boy... */ for (s = digest, p = md5asc; p < md5asc + 32; s++, p += 2) sprintf (p, "%.2x", *s); ret = g_byte_array_new (); g_byte_array_append (ret, sasl->service->url->user, strlen (sasl->service->url->user)); g_byte_array_append (ret, " ", 1); g_byte_array_append (ret, md5asc, 32); sasl->authenticated = TRUE; return ret; } el/electron6/files/lodash.merge-4.6.2 FreeBSD GNOME current development ports (https://github.com/freebsd/freebsd-ports-gnome)
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