1 /* 2 * Hotspot 2.0 client - Web browser using wpadebug on Android 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 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 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(100); 49 if (resp == NULL) { 50 http_request_deinit(req); 51 if (done) 52 eloop_terminate(); 53 return; 54 } 55 wpabuf_put_str(resp, "HTTP/1.1\r\n\r\nUser input completed"); 56 57 if (done) { 58 eloop_cancel_timeout(browser_timeout, NULL, NULL); 59 eloop_register_timeout(0, 500000, browser_timeout, &data, NULL); 60 } 61 62 http_request_send_and_deinit(req, resp); 63 } 64 65 66 int hs20_web_browser(const char *url, int ignore_tls) 67 { 68 struct http_server *http; 69 struct in_addr addr; 70 struct browser_data data; 71 pid_t pid; 72 73 wpa_printf(MSG_INFO, "Launching wpadebug browser to %s", url); 74 75 os_memset(&data, 0, sizeof(data)); 76 77 if (eloop_init() < 0) { 78 wpa_printf(MSG_ERROR, "eloop_init failed"); 79 return -1; 80 } 81 addr.s_addr = htonl((127 << 24) | 1); 82 http = http_server_init(&addr, 12345, http_req, &data); 83 if (http == NULL) { 84 wpa_printf(MSG_ERROR, "http_server_init failed"); 85 eloop_destroy(); 86 return -1; 87 } 88 89 pid = fork(); 90 if (pid < 0) { 91 wpa_printf(MSG_ERROR, "fork: %s", strerror(errno)); 92 http_server_deinit(http); 93 eloop_destroy(); 94 return -1; 95 } 96 97 if (pid == 0) { 98 /* run the external command in the child process */ 99 char *argv[14]; 100 char *envp[] = { "PATH=/system/bin:/vendor/bin", NULL }; 101 102 argv[0] = "browser-wpadebug"; 103 argv[1] = "start"; 104 argv[2] = "-a"; 105 argv[3] = "android.action.MAIN"; 106 argv[4] = "-c"; 107 argv[5] = "android.intent.category.LAUNCHER"; 108 argv[6] = "-n"; 109 argv[7] = "w1.fi.wpadebug/.WpaWebViewActivity"; 110 argv[8] = "-e"; 111 argv[9] = "w1.fi.wpadebug.URL"; 112 argv[10] = (void *) url; 113 argv[11] = "--user"; 114 argv[12] = "-3"; /* USER_CURRENT_OR_SELF */ 115 argv[13] = NULL; 116 117 execve("/system/bin/am", argv, envp); 118 wpa_printf(MSG_ERROR, "execve: %s", strerror(errno)); 119 exit(0); 120 return -1; 121 } 122 123 eloop_register_timeout(300, 0, browser_timeout, &data, NULL); 124 eloop_run(); 125 eloop_cancel_timeout(browser_timeout, &data, NULL); 126 http_server_deinit(http); 127 eloop_destroy(); 128 129 wpa_printf(MSG_INFO, "Closing Android browser"); 130 if (os_exec("/system/bin/am", 131 "start -a android.action.MAIN " 132 "-c android.intent.category.LAUNCHER " 133 "-n w1.fi.wpadebug/.WpaWebViewActivity " 134 "-e w1.fi.wpadebug.URL FINISH", 1) != 0) { 135 wpa_printf(MSG_INFO, "Failed to close wpadebug browser"); 136 } 137 138 return data.success; 139 } 140