2 * OpenConnect (SSL + DTLS) VPN client
4 * Copyright © 2008-2011 Intel Corporation.
6 * Authors: David Woodhouse <dwmw2@infradead.org>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public License
10 * version 2.1, as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to:
20 * Free Software Foundation, Inc.
21 * 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301 USA
25 #include "openconnect-internal.h"
27 struct openconnect_info *openconnect_vpninfo_new_with_cbdata (char *useragent,
28 openconnect_validate_peer_cert_vfn validate_peer_cert,
29 openconnect_write_new_config_vfn write_new_config,
30 openconnect_process_auth_form_vfn process_auth_form,
31 openconnect_progress_vfn progress,
34 struct openconnect_info *vpninfo = calloc (sizeof(*vpninfo), 1);
38 vpninfo->cert_expire_warning = 60 * 86400;
39 vpninfo->useragent = openconnect_create_useragent (useragent);
40 vpninfo->validate_peer_cert = validate_peer_cert;
41 vpninfo->write_new_config = write_new_config;
42 vpninfo->process_auth_form = process_auth_form;
43 vpninfo->progress = progress;
44 vpninfo->cbdata = privdata?:vpninfo;
49 struct openconnect_info *openconnect_vpninfo_new (char *useragent,
50 openconnect_validate_peer_cert_fn validate_peer_cert,
51 openconnect_write_new_config_fn write_new_config,
52 openconnect_process_auth_form_fn process_auth_form,
53 openconnect_progress_fn progress)
55 return openconnect_vpninfo_new_with_cbdata (useragent,
56 (void *)validate_peer_cert,
57 (void *)write_new_config,
58 (void *)process_auth_form,
59 (void *)progress, NULL);
62 static void free_optlist (struct vpn_option *opt)
64 struct vpn_option *next;
66 for (; opt; opt = next) {
74 void openconnect_vpninfo_free (struct openconnect_info *vpninfo)
76 openconnect_reset_ssl(vpninfo);
77 free_optlist(vpninfo->cookies);
78 free_optlist(vpninfo->cstp_options);
79 free_optlist(vpninfo->dtls_options);
80 free(vpninfo->hostname);
81 free(vpninfo->urlpath);
82 free(vpninfo->redirect_url);
83 free(vpninfo->proxy_type);
85 free(vpninfo->csd_scriptname);
86 free(vpninfo->csd_stuburl);
87 /* These are const in openconnect itself, but for consistency of
88 the library API we do take ownership of the strings we're given,
89 and thus we have to free them too. */
90 free((void *)vpninfo->cafile);
91 if (vpninfo->cert != vpninfo->sslkey)
92 free((void *)vpninfo->sslkey);
93 free((void *)vpninfo->cert);
94 /* No need to free deflate streams; they weren't initialised */
98 char *openconnect_get_hostname (struct openconnect_info *vpninfo)
100 return vpninfo->hostname;
103 void openconnect_set_hostname (struct openconnect_info *vpninfo, char *hostname)
105 vpninfo->hostname = hostname;
108 char *openconnect_get_urlpath (struct openconnect_info *vpninfo)
110 return vpninfo->urlpath;
113 void openconnect_set_urlpath (struct openconnect_info *vpninfo, char *urlpath)
115 vpninfo->urlpath = urlpath;
118 void openconnect_set_xmlsha1 (struct openconnect_info *vpninfo, char *xmlsha1, int size)
120 if (size != sizeof (vpninfo->xmlsha1))
123 memcpy (&vpninfo->xmlsha1, xmlsha1, size);
126 void openconnect_set_cafile (struct openconnect_info *vpninfo, char *cafile)
128 vpninfo->cafile = cafile;
131 void openconnect_setup_csd (struct openconnect_info *vpninfo, uid_t uid, int silent, char *wrapper)
133 vpninfo->uid_csd = uid;
134 vpninfo->uid_csd_given = silent?2:1;
135 vpninfo->csd_wrapper = wrapper;
138 void openconnect_set_client_cert (struct openconnect_info *vpninfo, char *cert, char *sslkey)
140 vpninfo->cert = cert;
142 vpninfo->sslkey = sslkey;
144 vpninfo->sslkey = cert;
147 struct x509_st *openconnect_get_peer_cert (struct openconnect_info *vpninfo)
149 return SSL_get_peer_certificate(vpninfo->https_ssl);
152 int openconnect_get_port (struct openconnect_info *vpninfo)
154 return vpninfo->port;
157 char *openconnect_get_cookie (struct openconnect_info *vpninfo)
159 return vpninfo->cookie;
162 void openconnect_clear_cookie (struct openconnect_info *vpninfo)
165 memset(vpninfo->cookie, 0, strlen(vpninfo->cookie));
168 void openconnect_reset_ssl (struct openconnect_info *vpninfo)
170 if (vpninfo->https_ssl) {
171 openconnect_close_https(vpninfo);
173 if (vpninfo->peer_addr) {
174 free(vpninfo->peer_addr);
175 vpninfo->peer_addr = NULL;
177 if (vpninfo->https_ctx) {
178 SSL_CTX_free(vpninfo->https_ctx);
179 vpninfo->https_ctx = NULL;
183 int openconnect_parse_url (struct openconnect_info *vpninfo, char *url)
185 if (vpninfo->peer_addr) {
186 free(vpninfo->peer_addr);
187 vpninfo->peer_addr = NULL;
190 return internal_parse_url (url, NULL, &vpninfo->hostname,
191 &vpninfo->port, &vpninfo->urlpath, 443);
194 void openconnect_set_cert_expiry_warning (struct openconnect_info *vpninfo,
197 vpninfo->cert_expire_warning = seconds;
200 const char *openconnect_get_version (void)
202 return openconnect_version;