* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
+ * are also available at https://curl.haxx.se/docs/copyright.html.
*
* 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
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
- * $Id$
***************************************************************************/
-#include "setup.h"
+#include "curl_setup.h"
#ifndef CURL_DISABLE_FILE
-/* -- WIN32 approved -- */
-#include <stdio.h>
-#include <string.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-#ifdef WIN32
-#include <time.h>
-#include <io.h>
-#include <fcntl.h>
-#else
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
+
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#include <fcntl.h>
#endif
-#endif /* WIN32 */
-
#include "strtoofft.h"
#include "urldata.h"
#include <curl/curl.h>
#include "getinfo.h"
#include "transfer.h"
#include "url.h"
-#include "memory.h"
#include "parsedate.h" /* for the week day and month names */
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-/* The last #include file should be: */
+#include "warnless.h"
+#include "curl_range.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
#include "memdebug.h"
-#if defined(WIN32) || defined(MSDOS) || defined(__EMX__) || defined(__SYMBIAN32__)
+#if defined(WIN32) || defined(MSDOS) || defined(__EMX__) || \
+ defined(__SYMBIAN32__)
#define DOS_FILESYSTEM 1
#endif
+#ifdef OPEN_NEEDS_ARG3
+# define open_readonly(p,f) open((p),(f),(0))
+#else
+# define open_readonly(p,f) open((p),(f))
+#endif
+
/*
* Forward declarations.
*/
static CURLcode file_done(struct connectdata *conn,
CURLcode status, bool premature);
static CURLcode file_connect(struct connectdata *conn, bool *done);
+static CURLcode file_disconnect(struct connectdata *conn,
+ bool dead_connection);
+static CURLcode file_setup_connection(struct connectdata *conn);
/*
* FILE scheme handler.
const struct Curl_handler Curl_handler_file = {
"FILE", /* scheme */
- ZERO_NULL, /* setup_connection */
+ file_setup_connection, /* setup_connection */
file_do, /* do_it */
file_done, /* done */
ZERO_NULL, /* do_more */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
+ ZERO_NULL, /* domore_getsock */
ZERO_NULL, /* perform_getsock */
- ZERO_NULL, /* disconnect */
+ file_disconnect, /* disconnect */
+ ZERO_NULL, /* readwrite */
+ ZERO_NULL, /* connection_check */
0, /* defport */
- PROT_FILE /* protocol */
+ CURLPROTO_FILE, /* protocol */
+ PROTOPT_NONETWORK | PROTOPT_NOURLQUERY /* flags */
};
- /*
- Check if this is a range download, and if so, set the internal variables
- properly. This code is copied from the FTP implementation and might as
- well be factored out.
- */
-static CURLcode file_range(struct connectdata *conn)
+static CURLcode file_setup_connection(struct connectdata *conn)
{
- curl_off_t from, to;
- curl_off_t totalsize=-1;
- char *ptr;
- char *ptr2;
- struct SessionHandle *data = conn->data;
-
- if(data->state.use_range && data->state.range) {
- from=curlx_strtoofft(data->state.range, &ptr, 0);
- while(ptr && *ptr && (isspace((int)*ptr) || (*ptr=='-')))
- ptr++;
- to=curlx_strtoofft(ptr, &ptr2, 0);
- if(ptr == ptr2) {
- /* we didn't get any digit */
- to=-1;
- }
- if((-1 == to) && (from>=0)) {
- /* X - */
- data->state.resume_from = from;
- DEBUGF(infof(data, "RANGE %" FORMAT_OFF_T " to end of file\n",
- from));
- }
- else if(from < 0) {
- /* -Y */
- totalsize = -from;
- data->req.maxdownload = -from;
- data->state.resume_from = from;
- DEBUGF(infof(data, "RANGE the last %" FORMAT_OFF_T " bytes\n",
- totalsize));
- }
- else {
- /* X-Y */
- totalsize = to-from;
- data->req.maxdownload = totalsize+1; /* include last byte */
- data->state.resume_from = from;
- DEBUGF(infof(data, "RANGE from %" FORMAT_OFF_T
- " getting %" FORMAT_OFF_T " bytes\n",
- from, data->req.maxdownload));
- }
- DEBUGF(infof(data, "range-download from %" FORMAT_OFF_T
- " to %" FORMAT_OFF_T ", totally %" FORMAT_OFF_T " bytes\n",
- from, to, data->req.maxdownload));
- }
- else
- data->req.maxdownload = -1;
+ /* allocate the FILE specific struct */
+ conn->data->req.protop = calloc(1, sizeof(struct FILEPROTO));
+ if(!conn->data->req.protop)
+ return CURLE_OUT_OF_MEMORY;
+
return CURLE_OK;
}
*/
static CURLcode file_connect(struct connectdata *conn, bool *done)
{
- struct SessionHandle *data = conn->data;
- char *real_path = curl_easy_unescape(data, data->state.path, 0, NULL);
- struct FILEPROTO *file;
+ struct Curl_easy *data = conn->data;
+ char *real_path;
+ struct FILEPROTO *file = data->req.protop;
int fd;
#ifdef DOS_FILESYSTEM
- int i;
+ size_t i;
char *actual_path;
#endif
+ size_t real_path_len;
- if(!real_path)
- return CURLE_OUT_OF_MEMORY;
-
- /* If there already is a protocol-specific struct allocated for this
- sessionhandle, deal with it */
- Curl_reset_reqproto(conn);
-
- if(!data->state.proto.file) {
- file = calloc(sizeof(struct FILEPROTO), 1);
- if(!file) {
- free(real_path);
- return CURLE_OUT_OF_MEMORY;
- }
- data->state.proto.file = file;
- }
- else {
- /* file is not a protocol that can deal with "persistancy" */
- file = data->state.proto.file;
- Curl_safefree(file->freepath);
- if(file->fd != -1)
- close(file->fd);
- file->path = NULL;
- file->freepath = NULL;
- file->fd = -1;
- }
+ CURLcode result = Curl_urldecode(data, data->state.path, 0, &real_path,
+ &real_path_len, FALSE);
+ if(result)
+ return result;
#ifdef DOS_FILESYSTEM
/* If the first character is a slash, and there's
actual_path = real_path;
if((actual_path[0] == '/') &&
actual_path[1] &&
- (actual_path[2] == ':' || actual_path[2] == '|'))
- {
+ (actual_path[2] == ':' || actual_path[2] == '|')) {
actual_path[2] = ':';
actual_path++;
+ real_path_len--;
}
/* change path separators from '/' to '\\' for DOS, Windows and OS/2 */
- for (i=0; actual_path[i] != '\0'; ++i)
+ for(i = 0; i < real_path_len; ++i)
if(actual_path[i] == '/')
actual_path[i] = '\\';
+ else if(!actual_path[i]) { /* binary zero */
+ Curl_safefree(real_path);
+ return CURLE_URL_MALFORMAT;
+ }
- fd = open(actual_path, O_RDONLY | O_BINARY); /* no CR/LF translation! */
+ fd = open_readonly(actual_path, O_RDONLY|O_BINARY);
file->path = actual_path;
#else
- fd = open(real_path, O_RDONLY);
+ if(memchr(real_path, 0, real_path_len)) {
+ /* binary zeroes indicate foul play */
+ Curl_safefree(real_path);
+ return CURLE_URL_MALFORMAT;
+ }
+
+ fd = open_readonly(real_path, O_RDONLY);
file->path = real_path;
#endif
file->freepath = real_path; /* free this when done */
static CURLcode file_done(struct connectdata *conn,
CURLcode status, bool premature)
{
- struct FILEPROTO *file = conn->data->state.proto.file;
+ struct FILEPROTO *file = conn->data->req.protop;
(void)status; /* not used */
(void)premature; /* not used */
- Curl_safefree(file->freepath);
- if(file->fd != -1)
- close(file->fd);
+ if(file) {
+ Curl_safefree(file->freepath);
+ file->path = NULL;
+ if(file->fd != -1)
+ close(file->fd);
+ file->fd = -1;
+ }
+
+ return CURLE_OK;
+}
+
+static CURLcode file_disconnect(struct connectdata *conn,
+ bool dead_connection)
+{
+ struct FILEPROTO *file = conn->data->req.protop;
+ (void)dead_connection; /* not used */
+
+ if(file) {
+ Curl_safefree(file->freepath);
+ file->path = NULL;
+ if(file->fd != -1)
+ close(file->fd);
+ file->fd = -1;
+ }
return CURLE_OK;
}
static CURLcode file_upload(struct connectdata *conn)
{
- struct FILEPROTO *file = conn->data->state.proto.file;
+ struct FILEPROTO *file = conn->data->req.protop;
const char *dir = strchr(file->path, DIRSEP);
- FILE *fp;
- CURLcode res=CURLE_OK;
- struct SessionHandle *data = conn->data;
+ int fd;
+ int mode;
+ CURLcode result = CURLE_OK;
+ struct Curl_easy *data = conn->data;
char *buf = data->state.buffer;
size_t nread;
size_t nwrite;
curl_off_t bytecount = 0;
- struct timeval now = Curl_tvnow();
struct_stat file_stat;
- const char* buf2;
+ const char *buf2;
/*
* Since FILE: doesn't do the full init, we need to provide some extra
* assignments here.
*/
- conn->fread_func = data->set.fread_func;
- conn->fread_in = data->set.in;
conn->data->req.upload_fromhere = buf;
if(!dir)
return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */
if(!dir[1])
- return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */
-
- if(data->state.resume_from)
- fp = fopen( file->path, "ab" );
- else {
- int fd;
+ return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */
-#ifdef DOS_FILESYSTEM
- fd = open(file->path, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY,
- conn->data->set.new_file_perms);
+#ifdef O_BINARY
+#define MODE_DEFAULT O_WRONLY|O_CREAT|O_BINARY
#else
- fd = open(file->path, O_WRONLY|O_CREAT|O_TRUNC,
- conn->data->set.new_file_perms);
+#define MODE_DEFAULT O_WRONLY|O_CREAT
#endif
- if(fd < 0) {
- failf(data, "Can't open %s for writing", file->path);
- return CURLE_WRITE_ERROR;
- }
- close(fd);
- fp = fopen(file->path, "wb");
- }
- if(!fp) {
+ if(data->state.resume_from)
+ mode = MODE_DEFAULT|O_APPEND;
+ else
+ mode = MODE_DEFAULT|O_TRUNC;
+
+ fd = open(file->path, mode, conn->data->set.new_file_perms);
+ if(fd < 0) {
failf(data, "Can't open %s for writing", file->path);
return CURLE_WRITE_ERROR;
}
- if(-1 != data->set.infilesize)
+ if(-1 != data->state.infilesize)
/* known size of data to "upload" */
- Curl_pgrsSetUploadSize(data, data->set.infilesize);
+ Curl_pgrsSetUploadSize(data, data->state.infilesize);
/* treat the negative resume offset value as the case of "-" */
if(data->state.resume_from < 0) {
- if(fstat(fileno(fp), &file_stat)) {
- fclose(fp);
+ if(fstat(fd, &file_stat)) {
+ close(fd);
failf(data, "Can't get the size of %s", file->path);
return CURLE_WRITE_ERROR;
}
- else
- data->state.resume_from = (curl_off_t)file_stat.st_size;
+ data->state.resume_from = (curl_off_t)file_stat.st_size;
}
- while(res == CURLE_OK) {
+ while(!result) {
int readcount;
- res = Curl_fillreadbuffer(conn, BUFSIZE, &readcount);
- if(res)
+ result = Curl_fillreadbuffer(conn, (int)data->set.buffer_size, &readcount);
+ if(result)
break;
if(readcount <= 0) /* fix questionable compare error. curlvms */
/*skip bytes before resume point*/
if(data->state.resume_from) {
- if( (curl_off_t)nread <= data->state.resume_from ) {
+ if((curl_off_t)nread <= data->state.resume_from) {
data->state.resume_from -= nread;
nread = 0;
buf2 = buf;
buf2 = buf;
/* write the data to the target */
- nwrite = fwrite(buf2, 1, nread, fp);
+ nwrite = write(fd, buf2, nread);
if(nwrite != nread) {
- res = CURLE_SEND_ERROR;
+ result = CURLE_SEND_ERROR;
break;
}
Curl_pgrsSetUploadCounter(data, bytecount);
if(Curl_pgrsUpdate(conn))
- res = CURLE_ABORTED_BY_CALLBACK;
+ result = CURLE_ABORTED_BY_CALLBACK;
else
- res = Curl_speedcheck(data, now);
+ result = Curl_speedcheck(data, Curl_now());
}
- if(!res && Curl_pgrsUpdate(conn))
- res = CURLE_ABORTED_BY_CALLBACK;
+ if(!result && Curl_pgrsUpdate(conn))
+ result = CURLE_ABORTED_BY_CALLBACK;
- fclose(fp);
+ close(fd);
- return res;
+ return result;
}
/*
are supported. This means that files on remotely mounted directories
(via NFS, Samba, NT sharing) can be accessed through a file:// URL
*/
- CURLcode res = CURLE_OK;
+ CURLcode result = CURLE_OK;
struct_stat statbuf; /* struct_stat instead of struct stat just to allow the
Windows version to have a different struct without
having to redefine the simple word 'stat' */
- curl_off_t expected_size=0;
- bool fstated=FALSE;
+ curl_off_t expected_size = 0;
+ bool size_known;
+ bool fstated = FALSE;
ssize_t nread;
- size_t bytestoread;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
char *buf = data->state.buffer;
curl_off_t bytecount = 0;
int fd;
- struct timeval now = Curl_tvnow();
+ struct FILEPROTO *file;
*done = TRUE; /* unconditionally */
if(data->set.upload)
return file_upload(conn);
+ file = conn->data->req.protop;
+
/* get the fd from the connection phase */
- fd = conn->data->state.proto.file->fd;
+ fd = file->fd;
/* VMS: This only works reliable for STREAMLF files */
- if( -1 != fstat(fd, &statbuf)) {
+ if(-1 != fstat(fd, &statbuf)) {
/* we could stat it, then read out the size */
expected_size = statbuf.st_size;
/* and store the modification time */
- data->info.filetime = (long)statbuf.st_mtime;
+ data->info.filetime = statbuf.st_mtime;
fstated = TRUE;
}
+ if(fstated && !data->state.range && data->set.timecondition) {
+ if(!Curl_meets_timecondition(data, data->info.filetime)) {
+ *done = TRUE;
+ return CURLE_OK;
+ }
+ }
+
/* If we have selected NOBODY and HEADER, it means that we only want file
information. Which for FILE can't be much more than the file size and
date. */
if(data->set.opt_no_body && data->set.include_header && fstated) {
- CURLcode result;
- snprintf(buf, sizeof(data->state.buffer),
- "Content-Length: %" FORMAT_OFF_T "\r\n", expected_size);
- result = Curl_client_write(conn, CLIENTWRITE_BOTH, buf, 0);
+ time_t filetime;
+ struct tm buffer;
+ const struct tm *tm = &buffer;
+ char header[80];
+ snprintf(header, sizeof(header),
+ "Content-Length: %" CURL_FORMAT_CURL_OFF_T "\r\n", expected_size);
+ result = Curl_client_write(conn, CLIENTWRITE_BOTH, header, 0);
if(result)
return result;
if(result)
return result;
- if(fstated) {
- const struct tm *tm;
- time_t filetime = (time_t)statbuf.st_mtime;
-#ifdef HAVE_GMTIME_R
- struct tm buffer;
- tm = (const struct tm *)gmtime_r(&filetime, &buffer);
-#else
- tm = gmtime(&filetime);
-#endif
- /* format: "Tue, 15 Nov 1994 12:45:26 GMT" */
- snprintf(buf, BUFSIZE-1,
- "Last-Modified: %s, %02d %s %4d %02d:%02d:%02d GMT\r\n",
- Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
- tm->tm_mday,
- Curl_month[tm->tm_mon],
- tm->tm_year + 1900,
- tm->tm_hour,
- tm->tm_min,
- tm->tm_sec);
- result = Curl_client_write(conn, CLIENTWRITE_BOTH, buf, 0);
- }
- /* if we fstat()ed the file, set the file size to make it available post-
- transfer */
- if(fstated)
+ filetime = (time_t)statbuf.st_mtime;
+ result = Curl_gmtime(filetime, &buffer);
+ if(result)
+ return result;
+
+ /* format: "Tue, 15 Nov 1994 12:45:26 GMT" */
+ snprintf(header, sizeof(header),
+ "Last-Modified: %s, %02d %s %4d %02d:%02d:%02d GMT\r\n",
+ Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
+ tm->tm_mday,
+ Curl_month[tm->tm_mon],
+ tm->tm_year + 1900,
+ tm->tm_hour,
+ tm->tm_min,
+ tm->tm_sec);
+ result = Curl_client_write(conn, CLIENTWRITE_BOTH, header, 0);
+ if(!result)
+ /* set the file size to make it available post transfer */
Curl_pgrsSetDownloadSize(data, expected_size);
return result;
}
/* Check whether file range has been specified */
- file_range(conn);
+ result = Curl_range(conn);
+ if(result)
+ return result;
/* Adjust the start offset in case we want to get the N last bytes
* of the stream iff the filesize could be determined */
failf(data, "Can't get the size of file.");
return CURLE_READ_ERROR;
}
- else
- data->state.resume_from += (curl_off_t)statbuf.st_size;
+ data->state.resume_from += (curl_off_t)statbuf.st_size;
}
if(data->state.resume_from <= expected_size)
}
/* A high water mark has been specified so we obey... */
- if (data->req.maxdownload > 0)
+ if(data->req.maxdownload > 0)
expected_size = data->req.maxdownload;
- if(fstated && (expected_size == 0))
- return CURLE_OK;
+ if(!fstated || (expected_size == 0))
+ size_known = FALSE;
+ else
+ size_known = TRUE;
/* The following is a shortcut implementation of file reading
this is both more efficient than the former call to download() and
Curl_pgrsTime(data, TIMER_STARTTRANSFER);
- while(res == CURLE_OK) {
+ while(!result) {
/* Don't fill a whole buffer if we want less than all data */
- bytestoread = (expected_size < BUFSIZE-1)?(size_t)expected_size:BUFSIZE-1;
+ size_t bytestoread;
+
+ if(size_known) {
+ bytestoread = (expected_size < data->set.buffer_size) ?
+ curlx_sotouz(expected_size) : (size_t)data->set.buffer_size;
+ }
+ else
+ bytestoread = data->set.buffer_size-1;
+
nread = read(fd, buf, bytestoread);
- if( nread > 0)
+ if(nread > 0)
buf[nread] = 0;
- if (nread <= 0 || expected_size == 0)
+ if(nread <= 0 || (size_known && (expected_size == 0)))
break;
bytecount += nread;
- expected_size -= nread;
+ if(size_known)
+ expected_size -= nread;
- res = Curl_client_write(conn, CLIENTWRITE_BODY, buf, nread);
- if(res)
- return res;
+ result = Curl_client_write(conn, CLIENTWRITE_BODY, buf, nread);
+ if(result)
+ return result;
Curl_pgrsSetDownloadCounter(data, bytecount);
if(Curl_pgrsUpdate(conn))
- res = CURLE_ABORTED_BY_CALLBACK;
+ result = CURLE_ABORTED_BY_CALLBACK;
else
- res = Curl_speedcheck(data, now);
+ result = Curl_speedcheck(data, Curl_now());
}
if(Curl_pgrsUpdate(conn))
- res = CURLE_ABORTED_BY_CALLBACK;
+ result = CURLE_ABORTED_BY_CALLBACK;
- return res;
+ return result;
}
#endif
projects / platform / upstream / curl.git / blobdiff