aboutsummaryrefslogtreecommitdiffstats
path: root/camel/camel-sasl-digest-md5.c
diff options
context:
space:
mode:
Diffstat (limited to 'camel/camel-sasl-digest-md5.c')
-rw-r--r--camel/camel-sasl-digest-md5.c907
1 files changed, 0 insertions, 907 deletions
diff --git a/camel/camel-sasl-digest-md5.c b/camel/camel-sasl-digest-md5.c
deleted file mode 100644
index 2a38858dd4..0000000000
--- a/camel/camel-sasl-digest-md5.c
+++ /dev/null
@@ -1,907 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Authors: Jeffrey Stedfast <fejj@ximian.com>
- *
- * Copyright 2001-2003 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 <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
-
-#include <libedataserver/md5-utils.h>
-
-#include <libedataserver/e-iconv.h>
-
-#include "camel-charset-map.h"
-#include "camel-mime-utils.h"
-#include "camel-sasl-digest-md5.h"
-#include "camel-i18n.h"
-#include "camel-net-utils.h"
-
-#define d(x)
-
-#define PARANOID(x) x
-
-/* Implements rfc2831 */
-
-CamelServiceAuthType camel_sasl_digest_md5_authtype = {
- N_("DIGEST-MD5"),
-
- N_("This option will connect to the server using a "
- "secure DIGEST-MD5 password, if the server supports it."),
-
- "DIGEST-MD5",
- TRUE
-};
-
-static CamelSaslClass *parent_class = NULL;
-
-/* Returns the class for a CamelSaslDigestMd5 */
-#define CSCM_CLASS(so) CAMEL_SASL_DIGEST_MD5_CLASS (CAMEL_OBJECT_GET_CLASS (so))
-
-static GByteArray *digest_md5_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex);
-
-enum {
- STATE_AUTH,
- STATE_FINAL
-};
-
-typedef struct {
- char *name;
- guint type;
-} DataType;
-
-enum {
- DIGEST_REALM,
- DIGEST_NONCE,
- DIGEST_QOP,
- DIGEST_STALE,
- DIGEST_MAXBUF,
- DIGEST_CHARSET,
- DIGEST_ALGORITHM,
- DIGEST_CIPHER,
- DIGEST_UNKNOWN
-};
-
-static DataType digest_args[] = {
- { "realm", DIGEST_REALM },
- { "nonce", DIGEST_NONCE },
- { "qop", DIGEST_QOP },
- { "stale", DIGEST_STALE },
- { "maxbuf", DIGEST_MAXBUF },
- { "charset", DIGEST_CHARSET },
- { "algorithm", DIGEST_ALGORITHM },
- { "cipher", DIGEST_CIPHER },
- { NULL, DIGEST_UNKNOWN }
-};
-
-#define QOP_AUTH (1<<0)
-#define QOP_AUTH_INT (1<<1)
-#define QOP_AUTH_CONF (1<<2)
-#define QOP_INVALID (1<<3)
-
-static DataType qop_types[] = {
- { "auth", QOP_AUTH },
- { "auth-int", QOP_AUTH_INT },
- { "auth-conf", QOP_AUTH_CONF },
- { NULL, QOP_INVALID }
-};
-
-#define CIPHER_DES (1<<0)
-#define CIPHER_3DES (1<<1)
-#define CIPHER_RC4 (1<<2)
-#define CIPHER_RC4_40 (1<<3)
-#define CIPHER_RC4_56 (1<<4)
-#define CIPHER_INVALID (1<<5)
-
-static DataType cipher_types[] = {
- { "des", CIPHER_DES },
- { "3des", CIPHER_3DES },
- { "rc4", CIPHER_RC4 },
- { "rc4-40", CIPHER_RC4_40 },
- { "rc4-56", CIPHER_RC4_56 },
- { NULL, CIPHER_INVALID }
-};
-
-struct _param {
- char *name;
- char *value;
-};
-
-struct _DigestChallenge {
- GPtrArray *realms;
- char *nonce;
- guint qop;
- gboolean stale;
- gint32 maxbuf;
- char *charset;
- char *algorithm;
- guint cipher;
- GList *params;
-};
-
-struct _DigestURI {
- char *type;
- char *host;
- char *name;
-};
-
-struct _DigestResponse {
- char *username;
- char *realm;
- char *nonce;
- char *cnonce;
- char nc[9];
- guint qop;
- struct _DigestURI *uri;
- char resp[33];
- guint32 maxbuf;
- char *charset;
- guint cipher;
- char *authzid;
- char *param;
-};
-
-struct _CamelSaslDigestMd5Private {
- struct _DigestChallenge *challenge;
- struct _DigestResponse *response;
- int state;
-};
-
-static void
-camel_sasl_digest_md5_class_init (CamelSaslDigestMd5Class *camel_sasl_digest_md5_class)
-{
- CamelSaslClass *camel_sasl_class = CAMEL_SASL_CLASS (camel_sasl_digest_md5_class);
-
- parent_class = CAMEL_SASL_CLASS (camel_type_get_global_classfuncs (camel_sasl_get_type ()));
-
- /* virtual method overload */
- camel_sasl_class->challenge = digest_md5_challenge;
-}
-
-static void
-camel_sasl_digest_md5_init (gpointer object, gpointer klass)
-{
- CamelSaslDigestMd5 *sasl_digest = CAMEL_SASL_DIGEST_MD5 (object);
-
- sasl_digest->priv = g_new0 (struct _CamelSaslDigestMd5Private, 1);
-}
-
-static void
-camel_sasl_digest_md5_finalize (CamelObject *object)
-{
- CamelSaslDigestMd5 *sasl = CAMEL_SASL_DIGEST_MD5 (object);
- struct _DigestChallenge *c = sasl->priv->challenge;
- struct _DigestResponse *r = sasl->priv->response;
- GList *p;
- int i;
-
- for (i = 0; i < c->realms->len; i++)
- g_free (c->realms->pdata[i]);
- g_ptr_array_free (c->realms, TRUE);
- g_free (c->nonce);
- g_free (c->charset);
- g_free (c->algorithm);
- for (p = c->params; p; p = p->next) {
- struct _param *param = p->data;
-
- g_free (param->name);
- g_free (param->value);
- g_free (param);
- }
- g_list_free (c->params);
- g_free (c);
-
- g_free (r->username);
- g_free (r->realm);
- g_free (r->nonce);
- g_free (r->cnonce);
- if (r->uri) {
- g_free (r->uri->type);
- g_free (r->uri->host);
- g_free (r->uri->name);
- }
- g_free (r->charset);
- g_free (r->authzid);
- g_free (r->param);
- g_free (r);
-
- g_free (sasl->priv);
-}
-
-
-CamelType
-camel_sasl_digest_md5_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- type = camel_type_register (camel_sasl_get_type (),
- "CamelSaslDigestMd5",
- sizeof (CamelSaslDigestMd5),
- sizeof (CamelSaslDigestMd5Class),
- (CamelObjectClassInitFunc) camel_sasl_digest_md5_class_init,
- NULL,
- (CamelObjectInitFunc) camel_sasl_digest_md5_init,
- (CamelObjectFinalizeFunc) camel_sasl_digest_md5_finalize);
- }
-
- return type;
-}
-
-static void
-decode_lwsp (const char **in)
-{
- const char *inptr = *in;
-
- while (isspace (*inptr))
- inptr++;
-
- *in = inptr;
-}
-
-static char *
-decode_quoted_string (const char **in)
-{
- const char *inptr = *in;
- char *out = NULL, *outptr;
- int outlen;
- int c;
-
- decode_lwsp (&inptr);
- if (*inptr == '"') {
- const char *intmp;
- int skip = 0;
-
- /* first, calc length */
- inptr++;
- intmp = inptr;
- while ((c = *intmp++) && c != '"') {
- if (c == '\\' && *intmp) {
- intmp++;
- skip++;
- }
- }
-
- outlen = intmp - inptr - skip;
- out = outptr = g_malloc (outlen + 1);
-
- while ((c = *inptr++) && c != '"') {
- if (c == '\\' && *inptr) {
- c = *inptr++;
- }
- *outptr++ = c;
- }
- *outptr = '\0';
- }
-
- *in = inptr;
-
- return out;
-}
-
-static char *
-decode_token (const char **in)
-{
- const char *inptr = *in;
- const char *start;
-
- decode_lwsp (&inptr);
- start = inptr;
-
- while (*inptr && *inptr != '=' && *inptr != ',')
- inptr++;
-
- if (inptr > start) {
- *in = inptr;
- return g_strndup (start, inptr - start);
- } else {
- return NULL;
- }
-}
-
-static char *
-decode_value (const char **in)
-{
- const char *inptr = *in;
-
- decode_lwsp (&inptr);
- if (*inptr == '"') {
- d(printf ("decoding quoted string token\n"));
- return decode_quoted_string (in);
- } else {
- d(printf ("decoding string token\n"));
- return decode_token (in);
- }
-}
-
-static GList *
-parse_param_list (const char *tokens)
-{
- GList *params = NULL;
- struct _param *param;
- const char *ptr;
-
- for (ptr = tokens; ptr && *ptr; ) {
- param = g_new0 (struct _param, 1);
- param->name = decode_token (&ptr);
- if (*ptr == '=') {
- ptr++;
- param->value = decode_value (&ptr);
- }
-
- params = g_list_prepend (params, param);
-
- if (*ptr == ',')
- ptr++;
- }
-
- return params;
-}
-
-static guint
-decode_data_type (DataType *dtype, const char *name)
-{
- int i;
-
- for (i = 0; dtype[i].name; i++) {
- if (!g_ascii_strcasecmp (dtype[i].name, name))
- break;
- }
-
- return dtype[i].type;
-}
-
-#define get_digest_arg(name) decode_data_type (digest_args, name)
-#define decode_qop(name) decode_data_type (qop_types, name)
-#define decode_cipher(name) decode_data_type (cipher_types, name)
-
-static const char *
-type_to_string (DataType *dtype, guint type)
-{
- int i;
-
- for (i = 0; dtype[i].name; i++) {
- if (dtype[i].type == type)
- break;
- }
-
- return dtype[i].name;
-}
-
-#define qop_to_string(type) type_to_string (qop_types, type)
-#define cipher_to_string(type) type_to_string (cipher_types, type)
-
-static void
-digest_abort (gboolean *have_type, gboolean *abort)
-{
- if (*have_type)
- *abort = TRUE;
- *have_type = TRUE;
-}
-
-static struct _DigestChallenge *
-parse_server_challenge (const char *tokens, gboolean *abort)
-{
- struct _DigestChallenge *challenge = NULL;
- GList *params, *p;
- const char *ptr;
-#ifdef PARANOID
- gboolean got_algorithm = FALSE;
- gboolean got_stale = FALSE;
- gboolean got_maxbuf = FALSE;
- gboolean got_charset = FALSE;
-#endif /* PARANOID */
-
- params = parse_param_list (tokens);
- if (!params) {
- *abort = TRUE;
- return NULL;
- }
-
- *abort = FALSE;
-
- challenge = g_new0 (struct _DigestChallenge, 1);
- challenge->realms = g_ptr_array_new ();
- challenge->maxbuf = 65536;
-
- for (p = params; p; p = p->next) {
- struct _param *param = p->data;
- int type;
-
- type = get_digest_arg (param->name);
- switch (type) {
- case DIGEST_REALM:
- for (ptr = param->value; ptr && *ptr; ) {
- char *token;
-
- token = decode_token (&ptr);
- if (token)
- g_ptr_array_add (challenge->realms, token);
-
- if (*ptr == ',')
- ptr++;
- }
- g_free (param->value);
- g_free (param->name);
- g_free (param);
- break;
- case DIGEST_NONCE:
- g_free (challenge->nonce);
- challenge->nonce = param->value;
- g_free (param->name);
- g_free (param);
- break;
- case DIGEST_QOP:
- for (ptr = param->value; ptr && *ptr; ) {
- char *token;
-
- token = decode_token (&ptr);
- if (token)
- challenge->qop |= decode_qop (token);
-
- if (*ptr == ',')
- ptr++;
- }
-
- if (challenge->qop & QOP_INVALID)
- challenge->qop = QOP_INVALID;
- g_free (param->value);
- g_free (param->name);
- g_free (param);
- break;
- case DIGEST_STALE:
- PARANOID (digest_abort (&got_stale, abort));
- if (!g_ascii_strcasecmp (param->value, "true"))
- challenge->stale = TRUE;
- else
- challenge->stale = FALSE;
- g_free (param->value);
- g_free (param->name);
- g_free (param);
- break;
- case DIGEST_MAXBUF:
- PARANOID (digest_abort (&got_maxbuf, abort));
- challenge->maxbuf = atoi (param->value);
- g_free (param->value);
- g_free (param->name);
- g_free (param);
- break;
- case DIGEST_CHARSET:
- PARANOID (digest_abort (&got_charset, abort));
- g_free (challenge->charset);
- if (param->value && *param->value)
- challenge->charset = param->value;
- else
- challenge->charset = NULL;
- g_free (param->name);
- g_free (param);
- break;
- case DIGEST_ALGORITHM:
- PARANOID (digest_abort (&got_algorithm, abort));
- g_free (challenge->algorithm);
- challenge->algorithm = param->value;
- g_free (param->name);
- g_free (param);
- break;
- case DIGEST_CIPHER:
- for (ptr = param->value; ptr && *ptr; ) {
- char *token;
-
- token = decode_token (&ptr);
- if (token)
- challenge->cipher |= decode_cipher (token);
-
- if (*ptr == ',')
- ptr++;
- }
- if (challenge->cipher & CIPHER_INVALID)
- challenge->cipher = CIPHER_INVALID;
- g_free (param->value);
- g_free (param->name);
- g_free (param);
- break;
- default:
- challenge->params = g_list_prepend (challenge->params, param);
- break;
- }
- }
-
- g_list_free (params);
-
- return challenge;
-}
-
-static void
-digest_hex (guchar *digest, guchar hex[33])
-{
- guchar *s, *p;
-
- /* lowercase hexify that bad-boy... */
- for (s = digest, p = hex; p < hex + 32; s++, p += 2)
- sprintf (p, "%.2x", *s);
-}
-
-static char *
-digest_uri_to_string (struct _DigestURI *uri)
-{
- if (uri->name)
- return g_strdup_printf ("%s/%s/%s", uri->type, uri->host, uri->name);
- else
- return g_strdup_printf ("%s/%s", uri->type, uri->host);
-}
-
-static void
-compute_response (struct _DigestResponse *resp, const char *passwd, gboolean client, guchar out[33])
-{
- guchar hex_a1[33], hex_a2[33];
- guchar digest[16];
- MD5Context ctx;
- char *buf;
-
- /* compute A1 */
- md5_init (&ctx);
- md5_update (&ctx, resp->username, strlen (resp->username));
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, resp->realm, strlen (resp->realm));
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, passwd, strlen (passwd));
- md5_final (&ctx, digest);
-
- md5_init (&ctx);
- md5_update (&ctx, digest, 16);
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, resp->nonce, strlen (resp->nonce));
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, resp->cnonce, strlen (resp->cnonce));
- if (resp->authzid) {
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, resp->authzid, strlen (resp->authzid));
- }
-
- /* hexify A1 */
- md5_final (&ctx, digest);
- digest_hex (digest, hex_a1);
-
- /* compute A2 */
- md5_init (&ctx);
- if (client) {
- /* we are calculating the client response */
- md5_update (&ctx, "AUTHENTICATE:", strlen ("AUTHENTICATE:"));
- } else {
- /* we are calculating the server rspauth */
- md5_update (&ctx, ":", 1);
- }
-
- buf = digest_uri_to_string (resp->uri);
- md5_update (&ctx, buf, strlen (buf));
- g_free (buf);
-
- if (resp->qop == QOP_AUTH_INT || resp->qop == QOP_AUTH_CONF)
- md5_update (&ctx, ":00000000000000000000000000000000", 33);
-
- /* now hexify A2 */
- md5_final (&ctx, digest);
- digest_hex (digest, hex_a2);
-
- /* compute KD */
- md5_init (&ctx);
- md5_update (&ctx, hex_a1, 32);
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, resp->nonce, strlen (resp->nonce));
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, resp->nc, 8);
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, resp->cnonce, strlen (resp->cnonce));
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, qop_to_string (resp->qop), strlen (qop_to_string (resp->qop)));
- md5_update (&ctx, ":", 1);
- md5_update (&ctx, hex_a2, 32);
- md5_final (&ctx, digest);
-
- digest_hex (digest, out);
-}
-
-static struct _DigestResponse *
-generate_response (struct _DigestChallenge *challenge, const char *host,
- const char *protocol, const char *user, const char *passwd)
-{
- struct _DigestResponse *resp;
- struct _DigestURI *uri;
- char *bgen, digest[16];
-
- resp = g_new0 (struct _DigestResponse, 1);
- resp->username = g_strdup (user);
- /* FIXME: we should use the preferred realm */
- if (challenge->realms && challenge->realms->len > 0)
- resp->realm = g_strdup (challenge->realms->pdata[0]);
- else
- resp->realm = g_strdup ("");
-
- resp->nonce = g_strdup (challenge->nonce);
-
- /* generate the cnonce */
- bgen = g_strdup_printf ("%p:%lu:%lu", resp,
- (unsigned long) getpid (),
- (unsigned long) time (0));
- md5_get_digest (bgen, strlen (bgen), digest);
- g_free (bgen);
- /* take our recommended 64 bits of entropy */
- resp->cnonce = camel_base64_encode_simple (digest, 8);
-
- /* we don't support re-auth so the nonce count is always 1 */
- strcpy (resp->nc, "00000001");
-
- /* choose the QOP */
- /* FIXME: choose - probably choose "auth" ??? */
- resp->qop = QOP_AUTH;
-
- /* create the URI */
- uri = g_new0 (struct _DigestURI, 1);
- uri->type = g_strdup (protocol);
- uri->host = g_strdup (host);
- uri->name = NULL;
- resp->uri = uri;
-
- /* charsets... yay */
- if (challenge->charset) {
- /* I believe that this is only ever allowed to be
- * UTF-8. We strdup the charset specified by the
- * challenge anyway, just in case it's not UTF-8.
- */
- resp->charset = g_strdup (challenge->charset);
- }
-
- resp->cipher = CIPHER_INVALID;
- if (resp->qop == QOP_AUTH_CONF) {
- /* FIXME: choose a cipher? */
- resp->cipher = CIPHER_INVALID;
- }
-
- /* we don't really care about this... */
- resp->authzid = NULL;
-
- compute_response (resp, passwd, TRUE, resp->resp);
-
- return resp;
-}
-
-static GByteArray *
-digest_response (struct _DigestResponse *resp)
-{
- GByteArray *buffer;
- const char *str;
- char *buf;
-
- buffer = g_byte_array_new ();
- g_byte_array_append (buffer, "username=\"", 10);
- if (resp->charset) {
- /* Encode the username using the requested charset */
- char *username, *outbuf;
- const char *charset;
- size_t len, outlen;
- const char *inbuf;
- iconv_t cd;
-
- charset = e_iconv_locale_charset ();
- if (!charset)
- charset = "iso-8859-1";
-
- cd = e_iconv_open (resp->charset, charset);
-
- len = strlen (resp->username);
- outlen = 2 * len; /* plenty of space */
-
- outbuf = username = g_malloc0 (outlen + 1);
- inbuf = resp->username;
- if (cd == (iconv_t) -1 || e_iconv (cd, &inbuf, &len, &outbuf, &outlen) == (size_t) -1) {
- /* We can't convert to UTF-8 - pretend we never got a charset param? */
- g_free (resp->charset);
- resp->charset = NULL;
-
- /* Set the username to the non-UTF-8 version */
- g_free (username);
- username = g_strdup (resp->username);
- }
-
- if (cd != (iconv_t) -1)
- e_iconv_close (cd);
-
- g_byte_array_append (buffer, username, strlen (username));
- g_free (username);
- } else {
- g_byte_array_append (buffer, resp->username, strlen (resp->username));
- }
-
- g_byte_array_append (buffer, "\",realm=\"", 9);
- g_byte_array_append (buffer, resp->realm, strlen (resp->realm));
-
- g_byte_array_append (buffer, "\",nonce=\"", 9);
- g_byte_array_append (buffer, resp->nonce, strlen (resp->nonce));
-
- g_byte_array_append (buffer, "\",cnonce=\"", 10);
- g_byte_array_append (buffer, resp->cnonce, strlen (resp->cnonce));
-
- g_byte_array_append (buffer, "\",nc=", 5);
- g_byte_array_append (buffer, resp->nc, 8);
-
- g_byte_array_append (buffer, ",qop=", 5);
- str = qop_to_string (resp->qop);
- g_byte_array_append (buffer, str, strlen (str));
-
- g_byte_array_append (buffer, ",digest-uri=\"", 13);
- buf = digest_uri_to_string (resp->uri);
- g_byte_array_append (buffer, buf, strlen (buf));
- g_free (buf);
-
- g_byte_array_append (buffer, "\",response=", 11);
- g_byte_array_append (buffer, resp->resp, 32);
-
- if (resp->maxbuf > 0) {
- g_byte_array_append (buffer, ",maxbuf=", 8);
- buf = g_strdup_printf ("%d", resp->maxbuf);
- g_byte_array_append (buffer, buf, strlen (buf));
- g_free (buf);
- }
-
- if (resp->charset) {
- g_byte_array_append (buffer, ",charset=", 9);
- g_byte_array_append (buffer, resp->charset, strlen (resp->charset));
- }
-
- if (resp->cipher != CIPHER_INVALID) {
- str = cipher_to_string (resp->cipher);
- if (str) {
- g_byte_array_append (buffer, ",cipher=\"", 9);
- g_byte_array_append (buffer, str, strlen (str));
- g_byte_array_append (buffer, "\"", 1);
- }
- }
-
- if (resp->authzid) {
- g_byte_array_append (buffer, ",authzid=\"", 10);
- g_byte_array_append (buffer, resp->authzid, strlen (resp->authzid));
- g_byte_array_append (buffer, "\"", 1);
- }
-
- return buffer;
-}
-
-static GByteArray *
-digest_md5_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex)
-{
- CamelSaslDigestMd5 *sasl_digest = CAMEL_SASL_DIGEST_MD5 (sasl);
- struct _CamelSaslDigestMd5Private *priv = sasl_digest->priv;
- struct _param *rspauth;
- GByteArray *ret = NULL;
- gboolean abort = FALSE;
- const char *ptr;
- guchar out[33];
- char *tokens;
- struct addrinfo *ai, hints;
-
- /* Need to wait for the server */
- if (!token)
- return NULL;
-
- g_return_val_if_fail (sasl->service->url->passwd != NULL, NULL);
-
- switch (priv->state) {
- case STATE_AUTH:
- if (token->len > 2048) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Server challenge too long (>2048 octets)\n"));
- return NULL;
- }
-
- tokens = g_strndup (token->data, token->len);
- priv->challenge = parse_server_challenge (tokens, &abort);
- g_free (tokens);
- if (!priv->challenge || abort) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Server challenge invalid\n"));
- return NULL;
- }
-
- if (priv->challenge->qop == QOP_INVALID) {
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Server challenge contained invalid "
- "\"Quality of Protection\" token\n"));
- return NULL;
- }
-
- memset(&hints, 0, sizeof(hints));
- hints.ai_flags = AI_CANONNAME;
- ai = camel_getaddrinfo(sasl->service->url->host?sasl->service->url->host:"localhost", NULL, &hints, NULL);
- if (ai && ai->ai_canonname)
- ptr = ai->ai_canonname;
- else
- ptr = "localhost.localdomain";
-
- priv->response = generate_response (priv->challenge, ptr, sasl->service_name,
- sasl->service->url->user,
- sasl->service->url->passwd);
- if (ai)
- camel_freeaddrinfo(ai);
- ret = digest_response (priv->response);
-
- break;
- case STATE_FINAL:
- if (token->len)
- tokens = g_strndup (token->data, token->len);
- else
- tokens = NULL;
-
- if (!tokens || !*tokens) {
- g_free (tokens);
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Server response did not contain authorization data\n"));
- return NULL;
- }
-
- rspauth = g_new0 (struct _param, 1);
-
- ptr = tokens;
- rspauth->name = decode_token (&ptr);
- if (*ptr == '=') {
- ptr++;
- rspauth->value = decode_value (&ptr);
- }
- g_free (tokens);
-
- if (!rspauth->value) {
- g_free (rspauth->name);
- g_free (rspauth);
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Server response contained incomplete authorization data\n"));
- return NULL;
- }
-
- compute_response (priv->response, sasl->service->url->passwd, FALSE, out);
- if (memcmp (out, rspauth->value, 32) != 0) {
- g_free (rspauth->name);
- g_free (rspauth->value);
- g_free (rspauth);
- camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
- _("Server response does not match\n"));
- sasl->authenticated = TRUE;
-
- return NULL;
- }
-
- g_free (rspauth->name);
- g_free (rspauth->value);
- g_free (rspauth);
-
- ret = g_byte_array_new ();
-
- sasl->authenticated = TRUE;
- default:
- break;
- }
-
- priv->state++;
-
- return ret;
-}
generated by cgit (git 2.34.1) at 2024-11-19 23:49:59 +0800