Switch enduser_setup_module to LWIP raw API.
Shutting down an espconn server safely is impossible, and currently would include at least one use-after-free. Even with that patched, at best this would change things from impossible to "very tricky". The native LWIP API does not have those issues, and is still quite easy to work with.
This commit is contained in:
Johny Mattsson
Robert Foss
parent
2d4f8f8e77
commit
e1fffe6ae4
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@ -43,6 +43,8 @@
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#include "ctype.h"
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#include "user_interface.h"
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#include "espconn.h"
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#include "lwip/tcp.h"
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#include "lwip/pbuf.h"
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#include "flash_fs.h"
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#include "task/task.h"
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@ -227,17 +229,17 @@ static const char http_header_500[] = "HTTP/1.1 500 Internal Error\r\n\r\n";
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static const char http_html_backup[] =
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"<!DOCTYPE html><meta http-equiv=content-type content='text/html; charset=UTF-8'><meta charset=utf-8><meta name=viewport content='width=380'><title>WiFi Login</title><style media=screen type=text/css>*{margin:0;padding:0}html{height:100%;background:linear-gradient(rgba(196,102,0,.2),rgba(155,89,182,.2)),url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEYAAAA8AgMAAACm+SSwAAAADFBMVEVBR1FFS1VHTlg8Q0zU/YXIAAADVElEQVQ4yy1TTYvTUBQ9GTKiYNoodsCF4MK6U4TZChOhiguFWHyBFzqlLl4hoeNvEBeCrlrhBVKq1EUKLTP+hvi1GyguXqBdiZCBzGqg20K8L3hDQnK55+OeJNguHx6UujYl3dL5ALn4JOIUluAqeAWciyGaSdvngOWzNT+G0UyGUOxVOAdqkjXDCbBiUyjZ5QzYEbGadYAi6kHxth+kthXNVNCDofwhGv1D4QGGiM9iAjbCHgr2iUUpDJbs+VPQ4xAr2fX7KXbkOJMdok965Ksb+6lrjdkem8AshIuHm9Nyu19uTunYlOXDTQqi8VgeH0kBXH2xq/ouiMZPzuMukymutrBmulUTovC6HqNFW2ZOiqlpSXZOTvSUeUPxChjxol8BLbRy4gJuhV7OR4LRVBs3WQ9VVAU7SXgK2HeUrOj7bC8YsUgr3lEV/TXB7hK90EBnxaeg1Ov15bY80M736ekCGesGAaGvG0Ct4WRkVQVHIgIM9xJgvSFfPay8Q6GNv7VpR7xUnkvhnMQCJDYkYOtNLihV70tCU1Sk+BQrpoP+HLHUrJkuta40C6LP5GvBv+Hqo10ATxxFrTPvNdPr7XwgQud6RvQN/sXjBGzqbU27wcj9cgsyvSTrpyXV8gKpXeNJU3aFl7MOdldzV4+HfO19jBa5f2IjWwx1OLHIvFHkqbBj20ro1g7nDfY1DpScvDRUNARgjMMVO0zoMjKxJ6uWCPP+YRAWbGoaN8kXYHmLjB9FXLGOazfFVCvOgqzfnicNPrHtPKlex2ye824gMza0cTZ2sS2Xm7Qst/UfFw8O6vVtmUKxZy9xFgzMys5cJ5fxZw4y37Ufk1Dsfb8MqOjYxE3ZMWxiDcO0PYUaD2ys+8OW1pbB7/e3sfZeGVCL0Q2aMjjPdm2sxADuejZxHJAd8dO9DSUdA0V8/NggRRanDkBrANn8yHlEQOn/MmwoQfQF7xgmKDnv520bS/pgylP67vf3y2V5sCwfoCEMkZClgOfJAFX9eXefR2RpnmRs4CDVPceaRfoFzCkJVJX27vWZnoqyvmtXU3+dW1EIXIu8Qg5Qta4Zlv7drUCoWe8/8MXzaEwux7ESE9h6qnHj3mIO0/D9RvzfxPmjWiQ1vbeSk4rrHwhAre35EEVaAAAAAElFTkSuQmCC)}body{font-family:arial,verdana}div{position:absolute;margin:auto;top:-150px;right:0;bottom:0;left:0;width:320px;height:304px}form{width:320px;text-align:center;position:relative}form fieldset{background:#fff;border:0 none;border-radius:5px;box-shadow:0 0 15px 1px rgba(0,0,0,.4);padding:20px 30px;box-sizing:border-box}form input{padding:15px;border:1px solid #ccc;border-radius:3px;margin-bottom:10px;width:100%;box-sizing:border-box;font-family:montserrat;color:#2C3E50;font-size:13px}form .action-button{border:0 none;border-radius:3px;cursor:pointer}#msform .submit:focus,form .action-button:hover{box-shadow:0 0 0 2px #fff,0 0 0 3px #27AE60}#formFrame{display:none}#aplist{display:block}select{width:100%;margin-bottom:20px;padding:10px 5px;border:1px solid #ccc;display:none}.fs-title{font-size:15px;text-transform:uppercase;color:#2C3E50;margin-bottom:10px}.fs-subtitle{font-weight:400;font-size:13px;color:#666;margin-bottom:20px}.fs-status{font-weight:400;font-size:13px;color:#666;margin-bottom:10px;padding-top:20px;border-top:1px solid #ccc}.submit{width:100px;background:#27AE60;color:#fff;font-weight:700;margin:10px 5px;padding:10px 5px}</style><div><form id=credentialsForm action=/update target=formFrame><fieldset><iframe id=formFrame src=''name=formFrame></iframe><h2 class=fs-title>WiFi Login</h2><h3 class=fs-subtitle>Connect gadget to your WiFi network</h3><input id=wifi_ssid autocorrect=off autocapitalize=none name=wifi_ssid placeholder='WiFi Name'><select id=aplist name=aplist size=1 disabled><option>Scanning for networks...</select><input name=wifi_password placeholder=Password type=password> <input type=submit name=save class='action-button submit'value=Save><h3 class=fs-status>Status: <span id=status>Updating...</span></h3></fieldset><h3 id=dbg></h3></form></div><script>function fetch(t,e,n){function s(){4===a.readyState&&n(200===a.status?a.responseText:null)}var a=new XMLHttpRequest;a.onreadystatechange=s,a.open(e,t,!0),a.send()}function new_status(t){if(t){var e=document.getElementById('status');e.innerHTML=t}}function new_status_repeat(t){new_status(t),setTimeout(refresh_status,750)}function new_ap_list(t){if(t){var e=JSON.parse(t);e.sort(function(t,e){return e.rssi-t.rssi});var n=e.map(function(t){return t.ssid}).filter(function(t,e,n){return n.indexOf(t)==e}),s=document.getElementById('aplist');s.innerHTML='',s.setAttribute('size',Math.max(Math.min(3,e.length),1)),s.removeAttribute('disabled');for(var a=0;a<n.length;++a){var i=document.createElement('option');i.innerHTML=n[a],s.options.add(i)}s.style.display='block'}}function new_ap_list_repeat(t){new_ap_list(t),setTimeout(refresh_ap_list,3e3)}function refresh_status(){fetch('/status','GET',new_status_repeat)}function refresh_ap_list(){fetch('/aplist','GET',new_ap_list_repeat)}window.onload=function(){refresh_status(),refresh_ap_list(),document.getElementById('aplist').onchange=function(){var t=document.getElementById('aplist');document.getElementById('wifi_ssid').value=t.value},document.getElementById('credentialsForm').addEventListener('submit',function(){fetch('/status','GET',new_status)})}</script>";
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typedef struct scan_listener
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{
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struct tcp_pcb *conn;
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struct scan_listener *next;
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int remote_port;
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uint8 remote_ip[4];
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} scan_listener_t;
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typedef struct
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{
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struct espconn *espconn_dns_udp;
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struct espconn *espconn_http_tcp;
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struct tcp_pcb *http_pcb;
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char *http_payload_data;
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uint32_t http_payload_len;
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os_timer_t check_station_timer;
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@ -627,34 +629,67 @@ static int enduser_setup_http_handle_credentials(char *data, unsigned short data
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*
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* @return - return 0 iff html was served successfully
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*/
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static int enduser_setup_http_serve_header(struct espconn *http_client, const char *header, uint32_t header_len)
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static int enduser_setup_http_serve_header(struct tcp_pcb *http_client, const char *header, uint32_t header_len)
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{
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ENDUSER_SETUP_DEBUG("enduser_setup_http_serve_header");
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int8_t err = espconn_send(http_client, (char *)header, header_len);
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if (err == ESPCONN_MEM)
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err_t err = tcp_write (http_client, header, header_len, TCP_WRITE_FLAG_COPY);
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if (err != ERR_OK)
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{
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ENDUSER_SETUP_ERROR("http_serve_header failed. espconn_send out of memory", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_NONFATAL);
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}
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else if (err == ESPCONN_ARG)
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{
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ENDUSER_SETUP_ERROR("http_serve_header failed. espconn_send can't find network transmission", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_NONFATAL);
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}
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else if (err != 0)
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{
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ENDUSER_SETUP_ERROR("http_serve_header failed. espconn_send failed", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
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tcp_close (http_client);
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ENDUSER_SETUP_ERROR("http_serve_header failed on tcp_write", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
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}
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return 0;
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}
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static err_t streamout_sent (void *arg, struct tcp_pcb *pcb, u16_t len)
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{
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(void)len;
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unsigned offs = (unsigned)arg;
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if (!state || !state->http_payload_data)
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{
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tcp_abort (pcb);
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return ERR_ABRT;
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}
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unsigned wanted_len = state->http_payload_len - offs;
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unsigned buf_free = tcp_sndbuf (pcb);
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if (buf_free < wanted_len)
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wanted_len = buf_free;
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/* no-copy write */
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err_t err = tcp_write (pcb, state->http_payload_data + offs, wanted_len, 0);
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if (err != ERR_OK)
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{
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ENDUSER_SETUP_DEBUG("streaming out html failed");
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tcp_abort (pcb);
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return ERR_ABRT;
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}
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offs += wanted_len;
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if (offs >= state->http_payload_len)
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{
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tcp_sent (pcb, 0);
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tcp_close (pcb);
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}
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else
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tcp_arg (pcb, (void *)offs);
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return ERR_OK;
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}
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/**
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* Serve HTML
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*
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* @return - return 0 iff html was served successfully
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*/
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static int enduser_setup_http_serve_html(struct espconn *http_client)
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static int enduser_setup_http_serve_html(struct tcp_pcb *http_client)
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{
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ENDUSER_SETUP_DEBUG("enduser_setup_http_serve_html");
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@ -663,25 +698,22 @@ static int enduser_setup_http_serve_html(struct espconn *http_client)
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enduser_setup_http_load_payload();
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}
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int8_t err = espconn_send(http_client, state->http_payload_data, state->http_payload_len);
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if (err == ESPCONN_MEM)
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unsigned chunklen = tcp_sndbuf (http_client);
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tcp_arg (http_client, (void *)chunklen);
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tcp_recv (http_client, 0); /* avoid confusion about the tcp_arg */
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tcp_sent (http_client, streamout_sent);
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/* Begin the no-copy stream-out here */
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err_t err = tcp_write (http_client, state->http_payload_data, chunklen, 0);
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if (err != 0)
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{
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ENDUSER_SETUP_ERROR("http_serve_html failed. espconn_send out of memory", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_NONFATAL);
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}
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else if (err == ESPCONN_ARG)
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{
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ENDUSER_SETUP_ERROR("http_serve_html failed. espconn_send can't find network transmission", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_NONFATAL);
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}
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else if (err != 0)
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{
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ENDUSER_SETUP_ERROR("http_serve_html failed. espconn_send failed", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
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ENDUSER_SETUP_ERROR("http_serve_html failed. tcp_write failed", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
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}
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return 0;
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}
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static void serve_status(struct espconn *conn)
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static void serve_status(struct tcp_pcb *conn)
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{
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ENDUSER_SETUP_DEBUG("enduser_setup_serve_status");
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@ -756,22 +788,6 @@ static void serve_status(struct espconn *conn)
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}
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/**
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* Disconnect HTTP client
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*
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* End TCP connection and free up resources.
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*/
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static void enduser_setup_http_disconnect(struct espconn *espconn)
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{
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ENDUSER_SETUP_DEBUG("enduser_setup_http_disconnect");
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/*TODO: Implement early TCP disconnections.
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* The espconn * here is frequently a temporary lwIP internal struct (when it is passed in to an API callback),
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* and is not valid after the callback returns. The SDK doc isn't sufficiently explicit about
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* (but see "2C" 1.5.1, p193 for the hint). To do the disconnects safely, you'll need to stash away
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* the remote_ip and remote_port like what is done in the scan_listeners.
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*/
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}
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/* --- WiFi AP scanning support -------------------------------------------- */
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@ -793,25 +809,15 @@ static void free_scan_listeners (void)
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}
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static inline bool same_remote (uint8 addr1[4], int port1, uint8 addr2[4], int port2)
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static void remove_scan_listener (scan_listener_t *l)
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{
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return (port1 == port2) && (c_memcmp (addr1, addr2, 4) == 0);
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}
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static void on_disconnect (void *arg)
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{
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struct espconn *conn = arg;
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if (conn->type == ESPCONN_TCP && state && state->scan_listeners)
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if (state)
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{
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scan_listener_t **sl = &state->scan_listeners;
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while (*sl)
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{
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/* Remove any and all references to the closed conn from the scan list */
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scan_listener_t *l = *sl;
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if (same_remote (
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l->remote_ip, l->remote_port,
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conn->proto.tcp->remote_ip, conn->proto.tcp->remote_port))
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if (*sl == l)
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{
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*sl = l->next;
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c_free (l);
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@ -844,24 +850,17 @@ static void notify_scan_listeners (const char *payload, size_t sz)
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{
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return;
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}
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if (!state->espconn_http_tcp)
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{
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goto cleanup;
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}
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struct espconn *conn = state->espconn_http_tcp;
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for (scan_listener_t *l = state->scan_listeners; l; l = l->next)
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{
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c_memcpy (conn->proto.tcp->remote_ip, l->remote_ip, 4);
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conn->proto.tcp->remote_port = l->remote_port;
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if (espconn_send(conn, (char *)payload, sz) != ESPCONN_OK)
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if (tcp_write (l->conn, payload, sz, TCP_WRITE_FLAG_COPY) != ERR_OK)
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{
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ENDUSER_SETUP_DEBUG("failed to send wifi list");
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}
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enduser_setup_http_disconnect(conn);
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tcp_close (l->conn);
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l->conn = 0;
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}
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cleanup:
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free_scan_listeners ();
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}
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@ -941,23 +940,48 @@ serve_500:
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/* ---- end WiFi AP scan support ------------------------------------------- */
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static void enduser_setup_http_recvcb(void *arg, char *data, unsigned short data_len)
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static err_t enduser_setup_http_recvcb(void *arg, struct tcp_pcb *http_client, struct pbuf *p, err_t err)
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{
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ENDUSER_SETUP_DEBUG("enduser_setup_http_recvcb");
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if (!state)
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if (!state || err != ERR_OK)
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{
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ENDUSER_SETUP_DEBUG("ignoring received data while stopped");
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return;
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if (!state)
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ENDUSER_SETUP_DEBUG("ignoring received data while stopped");
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tcp_abort (http_client);
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return ERR_ABRT;
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}
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struct espconn *http_client = (struct espconn *) arg;
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if (!p) /* remote side closed, close our end too */
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{
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ENDUSER_SETUP_DEBUG("connection closed");
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scan_listener_t *l = arg; /* if it's waiting for scan, we have a ptr here */
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if (l)
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remove_scan_listener (l);
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tcp_close (http_client);
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return ERR_OK;
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}
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char *data = os_zalloc (p->tot_len + 1);
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if (!data)
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return ERR_MEM;
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unsigned data_len = pbuf_copy_partial (p, data, p->tot_len, 0);
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tcp_recved (http_client, p->tot_len);
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pbuf_free (p);
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if (c_strncmp(data, "GET ", 4) == 0)
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{
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if (c_strncmp(data + 4, "/ ", 2) == 0)
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{
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if (enduser_setup_http_serve_html(http_client) != 0)
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{
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ENDUSER_SETUP_ERROR_VOID("http_recvcb failed. Unable to send HTML.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
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ENDUSER_SETUP_ERROR("http_recvcb failed. Unable to send HTML.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
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}
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else
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{
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os_free (data);
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return ERR_OK; /* streaming now in progress */
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}
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}
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else if (c_strncmp(data + 4, "/aplist ", 8) == 0)
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@ -965,14 +989,14 @@ static void enduser_setup_http_recvcb(void *arg, char *data, unsigned short data
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scan_listener_t *l = os_malloc (sizeof (scan_listener_t));
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if (!l)
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{
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ENDUSER_SETUP_ERROR_VOID("out of memory", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_NONFATAL);
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ENDUSER_SETUP_ERROR("out of memory", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_NONFATAL);
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}
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c_memcpy(l->remote_ip, http_client->proto.tcp->remote_ip, 4);
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l->remote_port = http_client->proto.tcp->remote_port;
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bool already = (state->scan_listeners != NULL);
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tcp_arg (http_client, l);
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/* TODO: check if also need a tcp_err() cb, or if recv() is enough */
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l->conn = http_client;
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l->next = state->scan_listeners;
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state->scan_listeners = l;
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@ -981,10 +1005,13 @@ static void enduser_setup_http_recvcb(void *arg, char *data, unsigned short data
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if (!wifi_station_scan(NULL, on_scan_done))
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{
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enduser_setup_http_serve_header(http_client, http_header_500, LITLEN(http_header_500));
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tcp_close (l->conn);
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l->conn = 0;
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free_scan_listeners();
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}
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}
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return;
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os_free (data);
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return ERR_OK;
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}
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else if (c_strncmp(data + 4, "/status ", 8) == 0)
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{
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@ -1001,7 +1028,7 @@ static void enduser_setup_http_recvcb(void *arg, char *data, unsigned short data
|
|||
enduser_setup_http_serve_header(http_client, http_header_401, LITLEN(http_header_401));
|
||||
break;
|
||||
default:
|
||||
ENDUSER_SETUP_ERROR_VOID("http_recvcb failed. Failed to handle wifi credentials.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
|
||||
ENDUSER_SETUP_ERROR("http_recvcb failed. Failed to handle wifi credentials.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -1022,79 +1049,67 @@ static void enduser_setup_http_recvcb(void *arg, char *data, unsigned short data
|
|||
enduser_setup_http_serve_header(http_client, http_header_401, LITLEN(http_header_401));
|
||||
}
|
||||
|
||||
enduser_setup_http_disconnect (http_client);
|
||||
os_free (data);
|
||||
#if 0
|
||||
/* being nice apparently costs us a lot of pcbs in time_wait state :( */
|
||||
tcp_close (http_client);
|
||||
return ERR_OK;
|
||||
#else
|
||||
tcp_abort (http_client);
|
||||
return ERR_ABRT;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
static void enduser_setup_http_connectcb(void *arg)
|
||||
static err_t enduser_setup_http_connectcb(void *arg, struct tcp_pcb *pcb, err_t err)
|
||||
{
|
||||
ENDUSER_SETUP_DEBUG("enduser_setup_http_connectcb");
|
||||
struct espconn *callback_espconn = (struct espconn *) arg;
|
||||
|
||||
int8_t err = 0;
|
||||
err |= espconn_regist_recvcb(callback_espconn, enduser_setup_http_recvcb);
|
||||
err |= espconn_regist_disconcb(callback_espconn, on_disconnect);
|
||||
|
||||
if (err != 0)
|
||||
if (!state)
|
||||
{
|
||||
ENDUSER_SETUP_ERROR_VOID("http_connectcb failed. Callback registration failed.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
|
||||
ENDUSER_SETUP_DEBUG("connect callback but no state?!");
|
||||
tcp_abort (pcb);
|
||||
return ERR_ABRT;
|
||||
}
|
||||
|
||||
tcp_accepted (state->http_pcb);
|
||||
tcp_recv (pcb, enduser_setup_http_recvcb);
|
||||
return ERR_OK;
|
||||
}
|
||||
|
||||
|
||||
static int enduser_setup_http_start(void)
|
||||
{
|
||||
ENDUSER_SETUP_DEBUG("enduser_setup_http_start");
|
||||
state->espconn_http_tcp = (struct espconn *) c_malloc(sizeof(struct espconn));
|
||||
if (state->espconn_http_tcp == NULL)
|
||||
struct tcp_pcb *pcb = tcp_new ();
|
||||
if (pcb == NULL)
|
||||
{
|
||||
ENDUSER_SETUP_ERROR("http_start failed. Memory allocation failed (espconn_http_tcp == NULL).", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
||||
}
|
||||
esp_tcp *esp_tcp_data = (esp_tcp *) c_malloc(sizeof(esp_tcp));
|
||||
if (esp_tcp_data == NULL)
|
||||
{
|
||||
ENDUSER_SETUP_ERROR("http_start failed. Memory allocation failed (esp_udp == NULL).", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
||||
ENDUSER_SETUP_ERROR("http_start failed. Memory allocation failed (http_pcb == NULL).", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
||||
}
|
||||
|
||||
c_memset(state->espconn_http_tcp, 0, sizeof(struct espconn));
|
||||
c_memset(esp_tcp_data, 0, sizeof(esp_tcp));
|
||||
state->espconn_http_tcp->proto.tcp = esp_tcp_data;
|
||||
state->espconn_http_tcp->type = ESPCONN_TCP;
|
||||
state->espconn_http_tcp->state = ESPCONN_NONE;
|
||||
esp_tcp_data->local_port = 80;
|
||||
|
||||
int8_t err;
|
||||
err = espconn_regist_connectcb(state->espconn_http_tcp, enduser_setup_http_connectcb);
|
||||
if (err != 0)
|
||||
if (tcp_bind (pcb, IP_ADDR_ANY, 80) != ERR_OK)
|
||||
{
|
||||
ENDUSER_SETUP_ERROR("http_start failed. Couldn't add receive callback.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
||||
ENDUSER_SETUP_ERROR("http_start bind failed", ENDUSER_SETUP_ERR_SOCKET_ALREADY_OPEN, ENDUSER_SETUP_ERR_FATAL);
|
||||
}
|
||||
|
||||
err = espconn_accept(state->espconn_http_tcp);
|
||||
if (err == ESPCONN_ISCONN)
|
||||
state->http_pcb = tcp_listen (pcb);
|
||||
if (!state->http_pcb)
|
||||
{
|
||||
ENDUSER_SETUP_ERROR("http_start failed. Couldn't create connection, already listening for that connection.", ENDUSER_SETUP_ERR_SOCKET_ALREADY_OPEN, ENDUSER_SETUP_ERR_FATAL);
|
||||
}
|
||||
else if (err == ESPCONN_MEM)
|
||||
{
|
||||
ENDUSER_SETUP_ERROR("http_start failed. Couldn't create connection, out of memory.", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
||||
}
|
||||
else if (err == ESPCONN_ARG)
|
||||
{
|
||||
ENDUSER_SETUP_ERROR("http_start failed. Can't find connection from espconn argument", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_FATAL);
|
||||
}
|
||||
else if (err != 0)
|
||||
{
|
||||
ENDUSER_SETUP_ERROR("http_start failed. Unknown error", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
||||
tcp_abort(pcb); /* original wasn't freed for us */
|
||||
ENDUSER_SETUP_ERROR("http_start listen failed", ENDUSER_SETUP_ERR_SOCKET_ALREADY_OPEN, ENDUSER_SETUP_ERR_FATAL);
|
||||
}
|
||||
|
||||
tcp_accept (state->http_pcb, enduser_setup_http_connectcb);
|
||||
|
||||
/* TODO: check lwip tcp timeouts */
|
||||
#if 0
|
||||
err = espconn_regist_time(state->espconn_http_tcp, 2, 0);
|
||||
if (err == ESPCONN_ARG)
|
||||
{
|
||||
ENDUSER_SETUP_ERROR("http_start failed. Unable to set TCP timeout.", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_NONFATAL | ENDUSER_SETUP_ERR_NO_RETURN);
|
||||
}
|
||||
#endif
|
||||
|
||||
err = enduser_setup_http_load_payload();
|
||||
int err = enduser_setup_http_load_payload();
|
||||
if (err == 1)
|
||||
{
|
||||
ENDUSER_SETUP_DEBUG("enduser_setup_http_start info. Loaded backup HTML.");
|
||||
|
|
@ -1112,9 +1127,10 @@ static void enduser_setup_http_stop(void)
|
|||
{
|
||||
ENDUSER_SETUP_DEBUG("enduser_setup_http_stop");
|
||||
|
||||
if (state != NULL && state->espconn_http_tcp != NULL)
|
||||
if (state && state->http_pcb)
|
||||
{
|
||||
espconn_delete(state->espconn_http_tcp);
|
||||
tcp_close (state->http_pcb); /* cannot fail for listening sockets */
|
||||
state->http_pcb = 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1246,14 +1262,6 @@ static void enduser_setup_free(void)
|
|||
c_free(state->espconn_dns_udp);
|
||||
}
|
||||
|
||||
if (state->espconn_http_tcp != NULL)
|
||||
{
|
||||
if (state->espconn_http_tcp->proto.tcp != NULL)
|
||||
{
|
||||
c_free(state->espconn_http_tcp->proto.tcp);
|
||||
}
|
||||
c_free(state->espconn_http_tcp);
|
||||
}
|
||||
c_free(state->http_payload_data);
|
||||
|
||||
free_scan_listeners ();
|
||||
|
|
|
|||
Loading…
Reference in New Issue