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-rw-r--r--Build/source/libs/curl/lib/sendf.c365
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diff --git a/Build/source/libs/curl/lib/sendf.c b/Build/source/libs/curl/lib/sendf.c
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+++ b/Build/source/libs/curl/lib/sendf.c
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+/*****************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2002, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * In order to be useful for every potential user, curl and libcurl are
+ * dual-licensed under the MPL and the MIT/X-derivate licenses.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the MPL or the MIT/X-derivate
+ * licenses. You may pick one of these licenses.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * $Id: sendf.c,v 1.44 2002/02/05 15:33:00 bagder Exp $
+ *****************************************************************************/
+
+#include "setup.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h> /* required for send() & recv() prototypes */
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
+#include <winsock.h>
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+
+#define _MPRINTF_REPLACE /* use the internal *printf() functions */
+#include <curl/mprintf.h>
+
+#ifdef KRB4
+#include "security.h"
+#endif
+#include <string.h>
+/* The last #include file should be: */
+#ifdef MALLOCDEBUG
+#include "memdebug.h"
+#endif
+
+/* returns last node in linked list */
+static struct curl_slist *slist_get_last(struct curl_slist *list)
+{
+ struct curl_slist *item;
+
+ /* if caller passed us a NULL, return now */
+ if (!list)
+ return NULL;
+
+ /* loop through to find the last item */
+ item = list;
+ while (item->next) {
+ item = item->next;
+ }
+ return item;
+}
+
+/* append a struct to the linked list. It always retunrs the address of the
+ * first record, so that you can sure this function as an initialization
+ * function as well as an append function. If you find this bothersome,
+ * then simply create a separate _init function and call it appropriately from
+ * within the proram. */
+struct curl_slist *curl_slist_append(struct curl_slist *list,
+ const char *data)
+{
+ struct curl_slist *last;
+ struct curl_slist *new_item;
+
+ new_item = (struct curl_slist *) malloc(sizeof(struct curl_slist));
+ if (new_item) {
+ new_item->next = NULL;
+ new_item->data = strdup(data);
+ }
+ else {
+ fprintf(stderr, "Cannot allocate memory for QUOTE list.\n");
+ return NULL;
+ }
+
+ if (list) {
+ last = slist_get_last(list);
+ last->next = new_item;
+ return list;
+ }
+
+ /* if this is the first item, then new_item *is* the list */
+ return new_item;
+}
+
+/* be nice and clean up resources */
+void curl_slist_free_all(struct curl_slist *list)
+{
+ struct curl_slist *next;
+ struct curl_slist *item;
+
+ if (!list)
+ return;
+
+ item = list;
+ do {
+ next = item->next;
+
+ if (item->data) {
+ free(item->data);
+ }
+ free(item);
+ item = next;
+ } while (next);
+}
+
+
+/* Curl_infof() is for info message along the way */
+
+void Curl_infof(struct SessionHandle *data, const char *fmt, ...)
+{
+ va_list ap;
+ if(data->set.verbose) {
+ va_start(ap, fmt);
+ fputs("* ", data->set.err);
+ vfprintf(data->set.err, fmt, ap);
+ va_end(ap);
+ }
+}
+
+/* Curl_failf() is for messages stating why we failed.
+ * The message SHALL NOT include any LF or CR.
+ */
+
+void Curl_failf(struct SessionHandle *data, const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ if(data->set.errorbuffer && !data->state.errorbuf) {
+ vsnprintf(data->set.errorbuffer, CURL_ERROR_SIZE, fmt, ap);
+ data->state.errorbuf = TRUE; /* wrote error string */
+ }
+ va_end(ap);
+}
+
+/* Curl_sendf() sends formated data to the server */
+CURLcode Curl_sendf(int sockfd, struct connectdata *conn,
+ const char *fmt, ...)
+{
+ struct SessionHandle *data = conn->data;
+ ssize_t bytes_written;
+ CURLcode result;
+ char *s;
+ va_list ap;
+ va_start(ap, fmt);
+ s = vaprintf(fmt, ap); /* returns an allocated string */
+ va_end(ap);
+ if(!s)
+ return 0; /* failure */
+ if(data->set.verbose)
+ fprintf(data->set.err, "> %s", s);
+
+ /* Write the buffer to the socket */
+ result = Curl_write(conn, sockfd, s, strlen(s), &bytes_written);
+
+ free(s); /* free the output string */
+
+ return result;
+}
+
+/*
+ * Curl_write() is an internal write function that sends plain (binary) data
+ * to the server. Works with plain sockets, SSL or kerberos.
+ *
+ */
+CURLcode Curl_write(struct connectdata *conn, int sockfd,
+ void *mem, size_t len,
+ ssize_t *written)
+{
+ ssize_t bytes_written;
+
+#ifdef USE_SSLEAY
+ /* SSL_write() is said to return 'int' while write() and send() returns
+ 'size_t' */
+ if (conn->ssl.use) {
+ int err;
+ int rc = SSL_write(conn->ssl.handle, mem, len);
+
+ if(rc < 0) {
+ err = SSL_get_error(conn->ssl.handle, rc);
+
+ switch(err) {
+ case SSL_ERROR_WANT_READ:
+ case SSL_ERROR_WANT_WRITE:
+ /* this is basicly the EWOULDBLOCK equivalent */
+ *written = 0;
+ return CURLE_OK;
+ }
+ /* a true error */
+ failf(conn->data, "SSL_write() return error %d\n", err);
+ return CURLE_WRITE_ERROR;
+ }
+ bytes_written = rc;
+ }
+ else {
+#endif
+#ifdef KRB4
+ if(conn->sec_complete) {
+ bytes_written = Curl_sec_write(conn, sockfd, mem, len);
+ }
+ else
+#endif /* KRB4 */
+ {
+ bytes_written = swrite(sockfd, mem, len);
+ }
+ if(-1 == bytes_written) {
+#ifdef WIN32
+ if(WSAEWOULDBLOCK == GetLastError())
+#else
+ if(EWOULDBLOCK == errno)
+#endif
+ {
+ /* this is just a case of EWOULDBLOCK */
+ *written=0;
+ return CURLE_OK;
+ }
+ }
+#ifdef USE_SSLEAY
+ }
+#endif
+
+ *written = bytes_written;
+ return (-1 != bytes_written)?CURLE_OK:CURLE_WRITE_ERROR;
+}
+
+/* client_write() sends data to the write callback(s)
+
+ The bit pattern defines to what "streams" to write to. Body and/or header.
+ The defines are in sendf.h of course.
+ */
+CURLcode Curl_client_write(struct SessionHandle *data,
+ int type,
+ char *ptr,
+ size_t len)
+{
+ size_t wrote;
+
+ if(0 == len)
+ len = strlen(ptr);
+
+ if(type & CLIENTWRITE_BODY) {
+ wrote = data->set.fwrite(ptr, 1, len, data->set.out);
+ if(wrote != len) {
+ failf (data, "Failed writing body");
+ return CURLE_WRITE_ERROR;
+ }
+ }
+ if((type & CLIENTWRITE_HEADER) &&
+ (data->set.fwrite_header || data->set.writeheader) ) {
+ /*
+ * Write headers to the same callback or to the especially setup
+ * header callback function (added after version 7.7.1).
+ */
+ curl_write_callback writeit=
+ data->set.fwrite_header?data->set.fwrite_header:data->set.fwrite;
+
+ wrote = writeit(ptr, 1, len, data->set.writeheader);
+ if(wrote != len) {
+ failf (data, "Failed writing header");
+ return CURLE_WRITE_ERROR;
+ }
+ }
+
+ return CURLE_OK;
+}
+
+/*
+ * Internal read-from-socket function. This is meant to deal with plain
+ * sockets, SSL sockets and kerberos sockets.
+ *
+ * If the read would block (EWOULDBLOCK) we return -1. Otherwise we return
+ * a regular CURLcode value.
+ */
+int Curl_read(struct connectdata *conn,
+ int sockfd,
+ char *buf,
+ size_t buffersize,
+ ssize_t *n)
+{
+ ssize_t nread;
+
+#ifdef USE_SSLEAY
+ if (conn->ssl.use) {
+ bool loop=TRUE;
+ int err;
+ do {
+ nread = SSL_read(conn->ssl.handle, buf, buffersize);
+
+ if(nread >= 0)
+ /* successful read */
+ break;
+
+ err = SSL_get_error(conn->ssl.handle, nread);
+
+ switch(err) {
+ case SSL_ERROR_NONE: /* this is not an error */
+ case SSL_ERROR_ZERO_RETURN: /* no more data */
+ loop=0; /* get out of loop */
+ break;
+ case SSL_ERROR_WANT_READ:
+ case SSL_ERROR_WANT_WRITE:
+ /* if there's data pending, then we re-invoke SSL_read() */
+ break;
+ }
+ } while(loop);
+ if(loop && SSL_pending(conn->ssl.handle))
+ return -1; /* basicly EWOULDBLOCK */
+ }
+ else {
+#endif
+#ifdef KRB4
+ if(conn->sec_complete)
+ nread = Curl_sec_read(conn, sockfd, buf, buffersize);
+ else
+#endif
+ nread = sread (sockfd, buf, buffersize);
+
+ if(-1 == nread) {
+#ifdef WIN32
+ if(WSAEWOULDBLOCK == GetLastError())
+#else
+ if(EWOULDBLOCK == errno)
+#endif
+ return -1;
+ }
+
+#ifdef USE_SSLEAY
+ }
+#endif /* USE_SSLEAY */
+ *n = nread;
+ return CURLE_OK;
+}
+
+
+/*
+ * local variables:
+ * eval: (load-file "../curl-mode.el")
+ * end:
+ * vim600: fdm=marker
+ * vim: et sw=2 ts=2 sts=2 tw=78
+ */
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