1 /*
2 * Hotspot 2.0 client - Web browser using system browser
3 * Copyright (c) 2013, Qualcomm Atheros, Inc.
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "includes.h"
10
11 #include "common.h"
12 #include "utils/eloop.h"
13 #include "wps/http_server.h"
14 #include "browser.h"
15
16
17 struct browser_data {
18 int success;
19 };
20
21
browser_timeout(void * eloop_data,void * user_ctx)22 static void browser_timeout(void *eloop_data, void *user_ctx)
23 {
24 wpa_printf(MSG_INFO, "Timeout on waiting browser interaction to "
25 "complete");
26 eloop_terminate();
27 }
28
29
http_req(void * ctx,struct http_request * req)30 static void http_req(void *ctx, struct http_request *req)
31 {
32 struct browser_data *data = ctx;
33 struct wpabuf *resp;
34 const char *url;
35 int done = 0;
36
37 url = http_request_get_uri(req);
38 wpa_printf(MSG_INFO, "Browser response received: %s", url);
39
40 if (os_strcmp(url, "/") == 0) {
41 data->success = 1;
42 done = 1;
43 } else if (os_strncmp(url, "/osu/", 5) == 0) {
44 data->success = atoi(url + 5);
45 done = 1;
46 }
47
48 resp = wpabuf_alloc(1);
49 if (resp == NULL) {
50 http_request_deinit(req);
51 if (done)
52 eloop_terminate();
53 return;
54 }
55
56 if (done) {
57 eloop_cancel_timeout(browser_timeout, NULL, NULL);
58 eloop_register_timeout(0, 500000, browser_timeout, &data, NULL);
59 }
60
61 http_request_send_and_deinit(req, resp);
62 }
63
64
hs20_web_browser(const char * url)65 int hs20_web_browser(const char *url)
66 {
67 struct http_server *http;
68 struct in_addr addr;
69 struct browser_data data;
70 pid_t pid;
71
72 wpa_printf(MSG_INFO, "Launching system browser to %s", url);
73
74 os_memset(&data, 0, sizeof(data));
75
76 if (eloop_init() < 0) {
77 wpa_printf(MSG_ERROR, "eloop_init failed");
78 return -1;
79 }
80 addr.s_addr = htonl((127 << 24) | 1);
81 http = http_server_init(&addr, 12345, http_req, &data);
82 if (http == NULL) {
83 wpa_printf(MSG_ERROR, "http_server_init failed");
84 eloop_destroy();
85 return -1;
86 }
87
88 pid = fork();
89 if (pid < 0) {
90 wpa_printf(MSG_ERROR, "fork: %s", strerror(errno));
91 http_server_deinit(http);
92 eloop_destroy();
93 return -1;
94 }
95
96 if (pid == 0) {
97 /* run the external command in the child process */
98 char *argv[3];
99
100 argv[0] = "browser-system";
101 argv[1] = (void *) url;
102 argv[2] = NULL;
103
104 execv("/usr/bin/x-www-browser", argv);
105 wpa_printf(MSG_ERROR, "execv: %s", strerror(errno));
106 exit(0);
107 return -1;
108 }
109
110 eloop_register_timeout(120, 0, browser_timeout, &data, NULL);
111 eloop_run();
112 eloop_cancel_timeout(browser_timeout, &data, NULL);
113 http_server_deinit(http);
114 eloop_destroy();
115
116 /* TODO: Close browser */
117
118 return data.success;
119 }
120