refactored httpd a bit
This commit is contained in:
parent
e7b5bfaf4b
commit
7c31be31c3
@ -113,6 +113,50 @@ static qse_ssize_t xsendfile (
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}
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#endif
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static qse_httpd_task_t* entask_error (
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qse_httpd_t* httpd, qse_httpd_client_t* client, qse_httpd_task_t* task,
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int code, qse_http_version_t* version, int keepalive)
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{
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const qse_mchar_t* smsg;
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const qse_mchar_t* lmsg;
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switch (code)
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{
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case 403:
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smsg = QSE_MT("Forbidden");
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lmsg = QSE_MT("<html><head><title>Directory Listing Forbidden</title></head><body><b>DIRECTORY LISTING FORBIDDEN<b></body></html>");
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break;
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case 404:
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smsg = QSE_MT("Not Found");
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lmsg = QSE_MT("<html><head><title>Not Found</title></head><body><b>REQUESTED PATH NOT FOUND<b></body></html>");
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break;
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case 416:
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smsg = QSE_MT("Requested Range Not Satisfiable");
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lmsg = QSE_MT("<html><head><title>Requested Range Not Satsfiable</title></head><body><b>REQUESTED RANGE NOT SATISFIABLE<b></body></html>");
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break;
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case 500:
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smsg = QSE_MT("Internal Server Error");
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lmsg = QSE_MT("<html><head><title>Internal Server Error</title></head><body><b>INTERNAL SERVER ERROR<b></body></html>");
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default:
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smsg = QSE_MT("Unknown");
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lmsg = QSE_MT("<html><head><title>Unknown Error</title></head><body><b>UNKNOWN ERROR<b></body></html>");
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break;
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}
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return qse_httpd_entaskformat (
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httpd, client, task,
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QSE_MT("HTTP/%d.%d %d %s\r\nConnection: %s\r\nContent-Type: text/html;charset=utf-8\r\nContent-Length: %d\r\n\r\n%s\r\n\r\n"),
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version->major, version->minor, code, smsg,
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(keepalive? QSE_MT("keep-alive"): QSE_MT("close")),
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(int)qse_mbslen(lmsg) + 4, lmsg
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);
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}
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/*------------------------------------------------------------------------*/
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static int task_main_disconnect (
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@ -844,150 +888,45 @@ static int task_init_path (
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return 0;
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}
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static qse_httpd_task_t* entask_path_error (
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qse_httpd_t* httpd, qse_httpd_client_t* client, qse_httpd_task_t* task, int code)
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static QSE_INLINE int task_main_path_file (
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qse_httpd_t* httpd, qse_httpd_client_t* client, qse_httpd_task_t* task, qse_foff_t filesize)
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{
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task_path_t* data = (task_path_t*)task->ctx;
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const qse_mchar_t* smsg;
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const qse_mchar_t* lmsg;
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switch (code)
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{
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case 403:
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smsg = QSE_MT("Forbidden");
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lmsg = QSE_MT("<html><head><title>Directory Listing Forbidden</title></head><body><b>DIRECTORY LISTING FORBIDDEN<b></body></html>");
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break;
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case 404:
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smsg = QSE_MT("Not Found");
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lmsg = QSE_MT("<html><head><title>Not Found</title></head><body><b>REQUESTED PATH NOT FOUND<b></body></html>");
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break;
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case 416:
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smsg = QSE_MT("Requested Range Not Satisfiable");
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lmsg = QSE_MT("<html><head><title>Requested Range Not Satsfiable</title></head><body><b>REQUESTED RANGE NOT SATISFIABLE<b></body></html>");
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break;
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default:
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smsg = QSE_MT("Unknown");
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lmsg = QSE_MT("<html><head><title>Unknown Error</title></head><body><b>UNKNOWN ERROR<b></body></html>");
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break;
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}
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return qse_httpd_entaskformat (
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httpd, client, task,
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QSE_MT("HTTP/%d.%d %d %s\r\nConnection: %s\r\nContent-Type: text/html;charset=utf-8\r\nContent-Length: %d\r\n\r\n%s\r\n\r\n"),
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data->version.major, data->version.minor, code, smsg,
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(data->keepalive? QSE_MT("keep-alive"): QSE_MT("close")),
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(int)qse_mbslen(lmsg) + 4, lmsg
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);
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}
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static int task_main_path (
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qse_httpd_t* httpd, qse_httpd_client_t* client, qse_httpd_task_t* task)
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{
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task_path_t* data = (task_path_t*)task->ctx;
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qse_ubi_t handle;
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struct stat st;
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qse_httpd_task_t* x = task;
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qse_ubi_t handle;
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/* when it comes to the file size, using fstat after opening
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* can be more accurate. but this function uses information
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* set into the task context before the call to this function */
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qse_printf (QSE_T("opening file %hs\n"), data->name);
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handle.i = open (data->name, O_RDONLY);
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if (handle.i <= -1)
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{
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x = entask_path_error (httpd, client, x, 404);
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x = entask_error (httpd, client, x, 404, &data->version, data->keepalive);
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goto no_file_send;
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}
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fcntl (handle.i, F_SETFD, FD_CLOEXEC);
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if (fstat (handle.i, &st) <= -1)
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{
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x = entask_path_error (httpd, client, x, 404);
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goto no_file_send;
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}
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if (S_ISDIR(st.st_mode))
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{
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if (qse_mbsend (data->name, QSE_MT("/")))
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{
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qse_ubi_t dir;
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/*#if defined(HAVE_FDOPENDIR)
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dir.ptr = fdopendir (handle.i);
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#else */
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dir.ptr = opendir (data->name);
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/*#endif */
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if (dir.ptr)
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{
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if (data->version.major < 1 ||
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(data->version.major == 1 && data->version.minor == 0))
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{
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data->keepalive = 0;
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}
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if (data->keepalive)
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{
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x = qse_httpd_entaskformat (
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httpd, client, x,
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QSE_MT("HTTP/%d.%d 200 OK\r\nConnection: keep-alive\r\nContent-Type: text/html;charset=utf-8\r\nTransfer-Encoding: chunked\r\n\r\n"),
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data->version.major, data->version.minor
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);
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if (x) x = qse_httpd_entaskdir (httpd, client, x, dir, data->keepalive);
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}
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else
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{
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x = qse_httpd_entaskformat (
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httpd, client, x,
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QSE_MT("HTTP/%d.%d 200 OK\r\nConnection: close\r\nContent-Type: text/html;charset=utf-8\r\n\r\n"),
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data->version.major, data->version.minor
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);
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if (x) x = qse_httpd_entaskdir (httpd, client, x, dir, data->keepalive);
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if (x) x = qse_httpd_entaskdisconnect (httpd, client, x);
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}
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if (!x) closedir (dir.ptr);
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}
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else
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{
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x = entask_path_error (httpd, client, x, 403);
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}
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}
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else
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{
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x = qse_httpd_entaskformat (
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httpd, client, x,
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QSE_MT("HTTP/%d.%d 301 Moved Permanently\r\nContent-Length: 0\r\nConnection: %s\r\nLocation: %s/\r\n\r\n"),
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data->version.major, data->version.minor,
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(data->keepalive? QSE_MT("keep-alive"): QSE_MT("close")),
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data->name
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);
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}
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goto no_file_send;
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}
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if (st.st_size < 0) st.st_size = 0; /* can this happen? */
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if (data->range.type != QSE_HTTP_RANGE_NONE)
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{
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const qse_mchar_t* mime_type = QSE_NULL;
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if (data->range.type == QSE_HTTP_RANGE_SUFFIX)
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{
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if (data->range.to > st.st_size) data->range.to = st.st_size;
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data->range.from = st.st_size - data->range.to;
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if (data->range.to > filesize) data->range.to = filesize;
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data->range.from = filesize - data->range.to;
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data->range.to = data->range.to + data->range.from;
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if (st.st_size > 0) data->range.to--;
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if (filesize > 0) data->range.to--;
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}
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if (data->range.from >= st.st_size)
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if (data->range.from >= filesize)
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{
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x = entask_path_error (httpd, client, x, 416);
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x = entask_error (httpd, client, x, 416, &data->version, data->keepalive);
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goto no_file_send;
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}
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if (data->range.to >= st.st_size) data->range.to = st.st_size - 1;
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if (data->range.to >= filesize) data->range.to = filesize - 1;
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if (httpd->cbs->getmimetype)
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{
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@ -1009,7 +948,7 @@ qse_printf (QSE_T("opening file %hs\n"), data->name);
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(unsigned long long)(data->range.to - data->range.from + 1),
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(unsigned long long)data->range.from,
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(unsigned long long)data->range.to,
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(unsigned long long)st.st_size
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(unsigned long long)filesize
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);
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#else
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x = qse_httpd_entaskformat (
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@ -1024,7 +963,7 @@ qse_printf (QSE_T("opening file %hs\n"), data->name);
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(unsigned long)(data->range.to - data->range.from + 1),
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(unsigned long)data->range.from,
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(unsigned long)data->range.to,
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(unsigned long)st.st_size
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(unsigned long)filesize
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);
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#endif
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if (x)
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@ -1061,7 +1000,7 @@ qse_printf (QSE_T("opening file %hs\n"), data->name);
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(mime_type? QSE_MT("Content-Type: "): QSE_MT("")),
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(mime_type? mime_type: QSE_MT("")),
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(mime_type? QSE_MT("\r\n"): QSE_MT("")),
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(unsigned long long)st.st_size
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(unsigned long long)filesize
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);
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#else
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x = qse_httpd_entaskformat (
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@ -1073,13 +1012,13 @@ qse_printf (QSE_T("opening file %hs\n"), data->name);
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(mime_type? QSE_MT("Content-Type: "): QSE_MT("")),
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(mime_type? mime_type: QSE_MT("")),
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(mime_type? QSE_MT("\r\n"): QSE_MT("")),
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(unsigned long)st.st_size
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(unsigned long)filesize
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);
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#endif
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if (x)
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{
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x = qse_httpd_entaskfile (
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httpd, client, x, handle, 0, st.st_size);
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httpd, client, x, handle, 0, filesize);
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}
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}
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@ -1090,6 +1029,91 @@ no_file_send:
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return (x == QSE_NULL)? -1: 0;
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}
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static QSE_INLINE int task_main_path_dir (
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qse_httpd_t* httpd, qse_httpd_client_t* client, qse_httpd_task_t* task)
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{
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task_path_t* data = (task_path_t*)task->ctx;
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qse_httpd_task_t* x = task;
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qse_ubi_t handle;
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if (qse_mbsend (data->name, QSE_MT("/")))
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{
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handle.ptr = opendir (data->name);
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if (handle.ptr)
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{
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if (data->version.major < 1 ||
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(data->version.major == 1 && data->version.minor == 0))
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{
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data->keepalive = 0;
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}
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if (data->keepalive)
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{
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x = qse_httpd_entaskformat (
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httpd, client, x,
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QSE_MT("HTTP/%d.%d 200 OK\r\nConnection: keep-alive\r\nContent-Type: text/html;charset=utf-8\r\nTransfer-Encoding: chunked\r\n\r\n"),
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data->version.major, data->version.minor
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);
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if (x) x = qse_httpd_entaskdir (httpd, client, x, handle, data->keepalive);
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}
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else
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{
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x = qse_httpd_entaskformat (
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httpd, client, x,
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QSE_MT("HTTP/%d.%d 200 OK\r\nConnection: close\r\nContent-Type: text/html;charset=utf-8\r\n\r\n"),
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data->version.major, data->version.minor
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);
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if (x)
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{
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x = qse_httpd_entaskdir (httpd, client, x, handle, data->keepalive);
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if (x) x = qse_httpd_entaskdisconnect (httpd, client, x);
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}
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}
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if (!x) closedir (handle.ptr);
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}
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else
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{
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x = entask_error (httpd, client, x, 403, &data->version, data->keepalive);
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}
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}
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else
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{
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x = qse_httpd_entaskformat (
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httpd, client, x,
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QSE_MT("HTTP/%d.%d 301 Moved Permanently\r\nContent-Length: 0\r\nConnection: %s\r\nLocation: %s/\r\n\r\n"),
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data->version.major, data->version.minor,
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(data->keepalive? QSE_MT("keep-alive"): QSE_MT("close")),
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data->name
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);
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}
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return (x == QSE_NULL)? -1: 0;
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}
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static int task_main_path (
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qse_httpd_t* httpd, qse_httpd_client_t* client, qse_httpd_task_t* task)
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{
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task_path_t* data = (task_path_t*)task->ctx;
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struct stat st;
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if (lstat (data->name, &st) <= -1)
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{
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return (entask_error (httpd, client, task, 404, &data->version, data->keepalive) == QSE_NULL)? -1: 0;
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}
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if (S_ISDIR(st.st_mode))
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{
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return task_main_path_dir (httpd, client, task);
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}
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else
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{
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if (st.st_size < 0) st.st_size = 0; /* can this happen? */
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return task_main_path_file (httpd, client, task, st.st_size);
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}
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}
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qse_httpd_task_t* qse_httpd_entaskpath (
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qse_httpd_t* httpd,
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qse_httpd_client_t* client,
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@ -1592,8 +1616,6 @@ static int task_main_cgi (
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{
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task_cgi_t* cgi = (task_cgi_t*)task->ctx;
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cgi_htrd_xtn_t* xtn;
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/* TODO: get the message using callback */
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const qse_mchar_t* msg = "Internal server error has occurred";
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if (cgi->init_failed) goto oops;
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@ -1625,17 +1647,8 @@ oops:
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if (cgi->res) qse_mbs_close (cgi->res);
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if (cgi->htrd) qse_htrd_close (cgi->htrd);
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qse_httpd_entaskformat (
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httpd, client, task,
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QSE_MT("HTTP/%d.%d 500 Internal Server Error\r\nContent-Type: text/plain\r\nContent-Length: %lu\r\n\r\n%s"),
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cgi->version.major,
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cgi->version.minor,
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(unsigned long)qse_mbslen(msg),
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msg
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);
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/* TODO: can i return something else if this fails... */
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return 0;
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/* TODO: keep alive.... cgi->disconnect???? */
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return (entask_error (httpd, client, task, 500, &cgi->version, 0) == QSE_NULL)? -1: 0;
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}
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qse_httpd_task_t* qse_httpd_entaskcgi (
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