mirror of
https://github.com/curl/curl.git
synced 2024-12-09 06:30:06 +08:00
b903186fa0
By the use of a the new lib/checksrc.pl script that checks that our basic source style rules are followed.
1049 lines
32 KiB
C
1049 lines
32 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2011, 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.
|
|
*
|
|
* 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 COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
***************************************************************************/
|
|
|
|
/**
|
|
* Now implemented:
|
|
*
|
|
* 1) UNIX version 1
|
|
* drwxr-xr-x 1 user01 ftp 512 Jan 29 23:32 prog
|
|
* 2) UNIX version 2
|
|
* drwxr-xr-x 1 user01 ftp 512 Jan 29 1997 prog
|
|
* 3) UNIX version 3
|
|
* drwxr-xr-x 1 1 1 512 Jan 29 23:32 prog
|
|
* 4) UNIX symlink
|
|
* lrwxr-xr-x 1 user01 ftp 512 Jan 29 23:32 prog -> prog2000
|
|
* 5) DOS style
|
|
* 01-29-97 11:32PM <DIR> prog
|
|
*/
|
|
|
|
#include "setup.h"
|
|
|
|
#include <time.h>
|
|
|
|
#include "ftplistparser.h"
|
|
#include "curl_fnmatch.h"
|
|
|
|
#include "urldata.h"
|
|
#include "ftp.h"
|
|
#include "fileinfo.h"
|
|
#include "llist.h"
|
|
#include "strtoofft.h"
|
|
#include "rawstr.h"
|
|
#include "ftp.h"
|
|
|
|
#define _MPRINTF_REPLACE /* use our functions only */
|
|
#include <curl/mprintf.h>
|
|
|
|
#include "curl_memory.h"
|
|
/* The last #include file should be: */
|
|
#include "memdebug.h"
|
|
|
|
/* allocs buffer which will contain one line of LIST command response */
|
|
#define FTP_BUFFER_ALLOCSIZE 160
|
|
|
|
typedef enum {
|
|
PL_UNIX_TOTALSIZE = 0,
|
|
PL_UNIX_FILETYPE,
|
|
PL_UNIX_PERMISSION,
|
|
PL_UNIX_HLINKS,
|
|
PL_UNIX_USER,
|
|
PL_UNIX_GROUP,
|
|
PL_UNIX_SIZE,
|
|
PL_UNIX_TIME,
|
|
PL_UNIX_FILENAME,
|
|
PL_UNIX_SYMLINK
|
|
} pl_unix_mainstate;
|
|
|
|
typedef union {
|
|
enum {
|
|
PL_UNIX_TOTALSIZE_INIT = 0,
|
|
PL_UNIX_TOTALSIZE_READING
|
|
} total_dirsize;
|
|
|
|
enum {
|
|
PL_UNIX_HLINKS_PRESPACE = 0,
|
|
PL_UNIX_HLINKS_NUMBER
|
|
} hlinks;
|
|
|
|
enum {
|
|
PL_UNIX_USER_PRESPACE = 0,
|
|
PL_UNIX_USER_PARSING
|
|
} user;
|
|
|
|
enum {
|
|
PL_UNIX_GROUP_PRESPACE = 0,
|
|
PL_UNIX_GROUP_NAME
|
|
} group;
|
|
|
|
enum {
|
|
PL_UNIX_SIZE_PRESPACE = 0,
|
|
PL_UNIX_SIZE_NUMBER
|
|
} size;
|
|
|
|
enum {
|
|
PL_UNIX_TIME_PREPART1 = 0,
|
|
PL_UNIX_TIME_PART1,
|
|
PL_UNIX_TIME_PREPART2,
|
|
PL_UNIX_TIME_PART2,
|
|
PL_UNIX_TIME_PREPART3,
|
|
PL_UNIX_TIME_PART3
|
|
} time;
|
|
|
|
enum {
|
|
PL_UNIX_FILENAME_PRESPACE = 0,
|
|
PL_UNIX_FILENAME_NAME,
|
|
PL_UNIX_FILENAME_WINDOWSEOL
|
|
} filename;
|
|
|
|
enum {
|
|
PL_UNIX_SYMLINK_PRESPACE = 0,
|
|
PL_UNIX_SYMLINK_NAME,
|
|
PL_UNIX_SYMLINK_PRETARGET1,
|
|
PL_UNIX_SYMLINK_PRETARGET2,
|
|
PL_UNIX_SYMLINK_PRETARGET3,
|
|
PL_UNIX_SYMLINK_PRETARGET4,
|
|
PL_UNIX_SYMLINK_TARGET,
|
|
PL_UNIX_SYMLINK_WINDOWSEOL
|
|
} symlink;
|
|
} pl_unix_substate;
|
|
|
|
typedef enum {
|
|
PL_WINNT_DATE = 0,
|
|
PL_WINNT_TIME,
|
|
PL_WINNT_DIRORSIZE,
|
|
PL_WINNT_FILENAME
|
|
} pl_winNT_mainstate;
|
|
|
|
typedef union {
|
|
enum {
|
|
PL_WINNT_TIME_PRESPACE = 0,
|
|
PL_WINNT_TIME_TIME
|
|
} time;
|
|
enum {
|
|
PL_WINNT_DIRORSIZE_PRESPACE = 0,
|
|
PL_WINNT_DIRORSIZE_CONTENT
|
|
} dirorsize;
|
|
enum {
|
|
PL_WINNT_FILENAME_PRESPACE = 0,
|
|
PL_WINNT_FILENAME_CONTENT,
|
|
PL_WINNT_FILENAME_WINEOL
|
|
} filename;
|
|
} pl_winNT_substate;
|
|
|
|
/* This struct is used in wildcard downloading - for parsing LIST response */
|
|
struct ftp_parselist_data {
|
|
enum {
|
|
OS_TYPE_UNKNOWN = 0,
|
|
OS_TYPE_UNIX,
|
|
OS_TYPE_WIN_NT
|
|
} os_type;
|
|
|
|
union {
|
|
struct {
|
|
pl_unix_mainstate main;
|
|
pl_unix_substate sub;
|
|
} UNIX;
|
|
|
|
struct {
|
|
pl_winNT_mainstate main;
|
|
pl_winNT_substate sub;
|
|
} NT;
|
|
} state;
|
|
|
|
CURLcode error;
|
|
struct curl_fileinfo *file_data;
|
|
unsigned int item_length;
|
|
size_t item_offset;
|
|
struct {
|
|
size_t filename;
|
|
size_t user;
|
|
size_t group;
|
|
size_t time;
|
|
size_t perm;
|
|
size_t symlink_target;
|
|
} offsets;
|
|
};
|
|
|
|
struct ftp_parselist_data *Curl_ftp_parselist_data_alloc(void)
|
|
{
|
|
return calloc(1, sizeof(struct ftp_parselist_data));
|
|
}
|
|
|
|
|
|
void Curl_ftp_parselist_data_free(struct ftp_parselist_data **pl_data)
|
|
{
|
|
if(*pl_data)
|
|
free(*pl_data);
|
|
*pl_data = NULL;
|
|
}
|
|
|
|
|
|
CURLcode Curl_ftp_parselist_geterror(struct ftp_parselist_data *pl_data)
|
|
{
|
|
return pl_data->error;
|
|
}
|
|
|
|
|
|
#define FTP_LP_MALFORMATED_PERM 0x01000000
|
|
|
|
static int ftp_pl_get_permission(const char *str)
|
|
{
|
|
int permissions = 0;
|
|
/* USER */
|
|
if(str[0] == 'r')
|
|
permissions |= 1 << 8;
|
|
else if(str[0] != '-')
|
|
permissions |= FTP_LP_MALFORMATED_PERM;
|
|
if(str[1] == 'w')
|
|
permissions |= 1 << 7;
|
|
else if(str[1] != '-')
|
|
permissions |= FTP_LP_MALFORMATED_PERM;
|
|
|
|
if(str[2] == 'x')
|
|
permissions |= 1 << 6;
|
|
else if(str[2] == 's') {
|
|
permissions |= 1 << 6;
|
|
permissions |= 1 << 11;
|
|
}
|
|
else if(str[2] == 'S')
|
|
permissions |= 1 << 11;
|
|
else if(str[2] != '-')
|
|
permissions |= FTP_LP_MALFORMATED_PERM;
|
|
/* GROUP */
|
|
if(str[3] == 'r')
|
|
permissions |= 1 << 5;
|
|
else if(str[3] != '-')
|
|
permissions |= FTP_LP_MALFORMATED_PERM;
|
|
if(str[4] == 'w')
|
|
permissions |= 1 << 4;
|
|
else if(str[4] != '-')
|
|
permissions |= FTP_LP_MALFORMATED_PERM;
|
|
if(str[5] == 'x')
|
|
permissions |= 1 << 3;
|
|
else if(str[5] == 's') {
|
|
permissions |= 1 << 3;
|
|
permissions |= 1 << 10;
|
|
}
|
|
else if(str[5] == 'S')
|
|
permissions |= 1 << 10;
|
|
else if(str[5] != '-')
|
|
permissions |= FTP_LP_MALFORMATED_PERM;
|
|
/* others */
|
|
if(str[6] == 'r')
|
|
permissions |= 1 << 2;
|
|
else if(str[6] != '-')
|
|
permissions |= FTP_LP_MALFORMATED_PERM;
|
|
if(str[7] == 'w')
|
|
permissions |= 1 << 1;
|
|
else if(str[7] != '-')
|
|
permissions |= FTP_LP_MALFORMATED_PERM;
|
|
if(str[8] == 'x')
|
|
permissions |= 1;
|
|
else if(str[8] == 't') {
|
|
permissions |= 1;
|
|
permissions |= 1 << 9;
|
|
}
|
|
else if(str[8] == 'T')
|
|
permissions |= 1 << 9;
|
|
else if(str[8] != '-')
|
|
permissions |= FTP_LP_MALFORMATED_PERM;
|
|
|
|
return permissions;
|
|
}
|
|
|
|
static void PL_ERROR(struct connectdata *conn, CURLcode err)
|
|
{
|
|
struct ftp_wc_tmpdata *tmpdata = conn->data->wildcard.tmp;
|
|
struct ftp_parselist_data *parser = tmpdata->parser;
|
|
if(parser->file_data)
|
|
Curl_fileinfo_dtor(NULL, parser->file_data);
|
|
parser->file_data = NULL;
|
|
parser->error = err;
|
|
}
|
|
|
|
static bool ftp_pl_gettime(struct ftp_parselist_data *parser, char *string)
|
|
{
|
|
(void)parser;
|
|
(void)string;
|
|
/* TODO
|
|
* There could be possible parse timestamp from server. Leaving unimplemented
|
|
* for now.
|
|
* If you want implement this, please add CURLFINFOFLAG_KNOWN_TIME flag to
|
|
* parser->file_data->flags
|
|
*
|
|
* Ftp servers are giving usually these formats:
|
|
* Apr 11 1998 (unknown time.. set it to 00:00:00?)
|
|
* Apr 11 12:21 (unknown year -> set it to NOW() time?)
|
|
* 08-05-09 02:49PM (ms-dos format)
|
|
* 20100421092538 -> for MLST/MLSD response
|
|
*/
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static CURLcode ftp_pl_insert_finfo(struct connectdata *conn,
|
|
struct curl_fileinfo *finfo)
|
|
{
|
|
curl_fnmatch_callback compare;
|
|
struct WildcardData *wc = &conn->data->wildcard;
|
|
struct ftp_wc_tmpdata *tmpdata = wc->tmp;
|
|
struct curl_llist *llist = wc->filelist;
|
|
struct ftp_parselist_data *parser = tmpdata->parser;
|
|
bool add = TRUE;
|
|
|
|
/* move finfo pointers to b_data */
|
|
char *str = finfo->b_data;
|
|
finfo->filename = str + parser->offsets.filename;
|
|
finfo->strings.group = parser->offsets.group ?
|
|
str + parser->offsets.group : NULL;
|
|
finfo->strings.perm = parser->offsets.perm ?
|
|
str + parser->offsets.perm : NULL;
|
|
finfo->strings.target = parser->offsets.symlink_target ?
|
|
str + parser->offsets.symlink_target : NULL;
|
|
finfo->strings.time = str + parser->offsets.time;
|
|
finfo->strings.user = parser->offsets.user ?
|
|
str + parser->offsets.user : NULL;
|
|
|
|
/* get correct fnmatch callback */
|
|
compare = conn->data->set.fnmatch;
|
|
if(!compare)
|
|
compare = Curl_fnmatch;
|
|
|
|
/* filter pattern-corresponding filenames */
|
|
if(compare(conn->data->set.fnmatch_data, wc->pattern,
|
|
finfo->filename) == 0) {
|
|
/* discard symlink which is containing multiple " -> " */
|
|
if((finfo->filetype == CURLFILETYPE_SYMLINK) && finfo->strings.target &&
|
|
(strstr(finfo->strings.target, " -> "))) {
|
|
add = FALSE;
|
|
}
|
|
}
|
|
else {
|
|
add = FALSE;
|
|
}
|
|
|
|
if(add) {
|
|
if(!Curl_llist_insert_next(llist, llist->tail, finfo)) {
|
|
Curl_fileinfo_dtor(NULL, finfo);
|
|
tmpdata->parser->file_data = NULL;
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
else {
|
|
Curl_fileinfo_dtor(NULL, finfo);
|
|
}
|
|
|
|
tmpdata->parser->file_data = NULL;
|
|
return CURLE_OK;
|
|
}
|
|
|
|
size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
|
|
void *connptr)
|
|
{
|
|
size_t bufflen = size*nmemb;
|
|
struct connectdata *conn = (struct connectdata *)connptr;
|
|
struct ftp_wc_tmpdata *tmpdata = conn->data->wildcard.tmp;
|
|
struct ftp_parselist_data *parser = tmpdata->parser;
|
|
struct curl_fileinfo *finfo;
|
|
unsigned long i = 0;
|
|
CURLcode rc;
|
|
|
|
if(parser->error) { /* error in previous call */
|
|
/* scenario:
|
|
* 1. call => OK..
|
|
* 2. call => OUT_OF_MEMORY (or other error)
|
|
* 3. (last) call => is skipped RIGHT HERE and the error is hadled later
|
|
* in wc_statemach()
|
|
*/
|
|
return bufflen;
|
|
}
|
|
|
|
if(parser->os_type == OS_TYPE_UNKNOWN && bufflen > 0) {
|
|
/* considering info about FILE response format */
|
|
parser->os_type = (buffer[0] >= '0' && buffer[0] <= '9') ?
|
|
OS_TYPE_WIN_NT : OS_TYPE_UNIX;
|
|
}
|
|
|
|
while(i < bufflen) { /* FSM */
|
|
|
|
char c = buffer[i];
|
|
if(!parser->file_data) { /* tmp file data is not allocated yet */
|
|
parser->file_data = Curl_fileinfo_alloc();
|
|
if(!parser->file_data) {
|
|
parser->error = CURLE_OUT_OF_MEMORY;
|
|
return bufflen;
|
|
}
|
|
parser->file_data->b_data = malloc(FTP_BUFFER_ALLOCSIZE);
|
|
if(!parser->file_data->b_data) {
|
|
PL_ERROR(conn, CURLE_OUT_OF_MEMORY);
|
|
return bufflen;
|
|
}
|
|
parser->file_data->b_size = FTP_BUFFER_ALLOCSIZE;
|
|
parser->item_offset = 0;
|
|
parser->item_length = 0;
|
|
}
|
|
|
|
finfo = parser->file_data;
|
|
finfo->b_data[finfo->b_used++] = c;
|
|
|
|
if(finfo->b_used >= finfo->b_size - 1) {
|
|
/* if it is important, extend buffer space for file data */
|
|
char *tmp = realloc(finfo->b_data,
|
|
finfo->b_size + FTP_BUFFER_ALLOCSIZE);
|
|
if(tmp) {
|
|
finfo->b_size += FTP_BUFFER_ALLOCSIZE;
|
|
finfo->b_data = tmp;
|
|
}
|
|
else {
|
|
Curl_fileinfo_dtor(NULL, parser->file_data);
|
|
parser->file_data = NULL;
|
|
parser->error = CURLE_OUT_OF_MEMORY;
|
|
PL_ERROR(conn, CURLE_OUT_OF_MEMORY);
|
|
return bufflen;
|
|
}
|
|
}
|
|
|
|
switch (parser->os_type) {
|
|
case OS_TYPE_UNIX:
|
|
switch (parser->state.UNIX.main) {
|
|
case PL_UNIX_TOTALSIZE:
|
|
switch(parser->state.UNIX.sub.total_dirsize) {
|
|
case PL_UNIX_TOTALSIZE_INIT:
|
|
if(c == 't') {
|
|
parser->state.UNIX.sub.total_dirsize = PL_UNIX_TOTALSIZE_READING;
|
|
parser->item_length++;
|
|
}
|
|
else {
|
|
parser->state.UNIX.main = PL_UNIX_FILETYPE;
|
|
/* start FSM again not considering size of directory */
|
|
finfo->b_used = 0;
|
|
i--;
|
|
}
|
|
break;
|
|
case PL_UNIX_TOTALSIZE_READING:
|
|
parser->item_length++;
|
|
if(c == '\r') {
|
|
parser->item_length--;
|
|
finfo->b_used--;
|
|
}
|
|
else if(c == '\n') {
|
|
finfo->b_data[parser->item_length - 1] = 0;
|
|
if(strncmp("total ", finfo->b_data, 6) == 0) {
|
|
char *endptr = finfo->b_data+6;
|
|
/* here we can deal with directory size */
|
|
while(ISSPACE(*endptr))
|
|
endptr++;
|
|
if(*endptr != 0) {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
else {
|
|
parser->state.UNIX.main = PL_UNIX_FILETYPE;
|
|
finfo->b_used = 0;
|
|
}
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case PL_UNIX_FILETYPE:
|
|
switch (c) {
|
|
case '-':
|
|
finfo->filetype = CURLFILETYPE_FILE;
|
|
break;
|
|
case 'd':
|
|
finfo->filetype = CURLFILETYPE_DIRECTORY;
|
|
break;
|
|
case 'l':
|
|
finfo->filetype = CURLFILETYPE_SYMLINK;
|
|
break;
|
|
case 'p':
|
|
finfo->filetype = CURLFILETYPE_NAMEDPIPE;
|
|
break;
|
|
case 's':
|
|
finfo->filetype = CURLFILETYPE_SOCKET;
|
|
break;
|
|
case 'c':
|
|
finfo->filetype = CURLFILETYPE_DEVICE_CHAR;
|
|
break;
|
|
case 'b':
|
|
finfo->filetype = CURLFILETYPE_DEVICE_BLOCK;
|
|
break;
|
|
case 'D':
|
|
finfo->filetype = CURLFILETYPE_DOOR;
|
|
break;
|
|
default:
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
parser->state.UNIX.main = PL_UNIX_PERMISSION;
|
|
parser->item_length = 0;
|
|
parser->item_offset = 1;
|
|
break;
|
|
case PL_UNIX_PERMISSION:
|
|
parser->item_length++;
|
|
if(parser->item_length <= 9) {
|
|
if(!strchr("rwx-tTsS", c)) {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
else if(parser->item_length == 10) {
|
|
unsigned int perm;
|
|
if(c != ' ') {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
finfo->b_data[10] = 0; /* terminate permissions */
|
|
perm = ftp_pl_get_permission(finfo->b_data + parser->item_offset);
|
|
if(perm & FTP_LP_MALFORMATED_PERM) {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
parser->file_data->flags |= CURLFINFOFLAG_KNOWN_PERM;
|
|
parser->file_data->perm = perm;
|
|
parser->offsets.perm = parser->item_offset;
|
|
|
|
parser->item_length = 0;
|
|
parser->state.UNIX.main = PL_UNIX_HLINKS;
|
|
parser->state.UNIX.sub.hlinks = PL_UNIX_HLINKS_PRESPACE;
|
|
}
|
|
break;
|
|
case PL_UNIX_HLINKS:
|
|
switch(parser->state.UNIX.sub.hlinks) {
|
|
case PL_UNIX_HLINKS_PRESPACE:
|
|
if(c != ' ') {
|
|
if(c >= '0' && c <= '9') {
|
|
parser->item_offset = finfo->b_used - 1;
|
|
parser->item_length = 1;
|
|
parser->state.UNIX.sub.hlinks = PL_UNIX_HLINKS_NUMBER;
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
break;
|
|
case PL_UNIX_HLINKS_NUMBER:
|
|
parser->item_length ++;
|
|
if(c == ' ') {
|
|
char *p;
|
|
long int hlinks;
|
|
finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
|
|
hlinks = strtol(finfo->b_data + parser->item_offset, &p, 10);
|
|
if(p[0] == '\0' && hlinks != LONG_MAX && hlinks != LONG_MIN) {
|
|
parser->file_data->flags |= CURLFINFOFLAG_KNOWN_HLINKCOUNT;
|
|
parser->file_data->hardlinks = hlinks;
|
|
}
|
|
parser->item_length = 0;
|
|
parser->item_offset = 0;
|
|
parser->state.UNIX.main = PL_UNIX_USER;
|
|
parser->state.UNIX.sub.user = PL_UNIX_USER_PRESPACE;
|
|
}
|
|
else if(c < '0' || c > '9') {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case PL_UNIX_USER:
|
|
switch(parser->state.UNIX.sub.user) {
|
|
case PL_UNIX_USER_PRESPACE:
|
|
if(c != ' ') {
|
|
parser->item_offset = finfo->b_used - 1;
|
|
parser->item_length = 1;
|
|
parser->state.UNIX.sub.user = PL_UNIX_USER_PARSING;
|
|
}
|
|
break;
|
|
case PL_UNIX_USER_PARSING:
|
|
parser->item_length++;
|
|
if(c == ' ') {
|
|
finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
|
|
parser->offsets.user = parser->item_offset;
|
|
parser->state.UNIX.main = PL_UNIX_GROUP;
|
|
parser->state.UNIX.sub.group = PL_UNIX_GROUP_PRESPACE;
|
|
parser->item_offset = 0;
|
|
parser->item_length = 0;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case PL_UNIX_GROUP:
|
|
switch(parser->state.UNIX.sub.group) {
|
|
case PL_UNIX_GROUP_PRESPACE:
|
|
if(c != ' ') {
|
|
parser->item_offset = finfo->b_used - 1;
|
|
parser->item_length = 1;
|
|
parser->state.UNIX.sub.group = PL_UNIX_GROUP_NAME;
|
|
}
|
|
break;
|
|
case PL_UNIX_GROUP_NAME:
|
|
parser->item_length++;
|
|
if(c == ' ') {
|
|
finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
|
|
parser->offsets.group = parser->item_offset;
|
|
parser->state.UNIX.main = PL_UNIX_SIZE;
|
|
parser->state.UNIX.sub.size = PL_UNIX_SIZE_PRESPACE;
|
|
parser->item_offset = 0;
|
|
parser->item_length = 0;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case PL_UNIX_SIZE:
|
|
switch(parser->state.UNIX.sub.size) {
|
|
case PL_UNIX_SIZE_PRESPACE:
|
|
if(c != ' ') {
|
|
if(c >= '0' && c <= '9') {
|
|
parser->item_offset = finfo->b_used - 1;
|
|
parser->item_length = 1;
|
|
parser->state.UNIX.sub.size = PL_UNIX_SIZE_NUMBER;
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
break;
|
|
case PL_UNIX_SIZE_NUMBER:
|
|
parser->item_length++;
|
|
if(c == ' ') {
|
|
char *p;
|
|
curl_off_t fsize;
|
|
finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
|
|
fsize = curlx_strtoofft(finfo->b_data+parser->item_offset, &p, 10);
|
|
if(p[0] == '\0' && fsize != CURL_OFF_T_MAX &&
|
|
fsize != CURL_OFF_T_MIN) {
|
|
parser->file_data->flags |= CURLFINFOFLAG_KNOWN_SIZE;
|
|
parser->file_data->size = fsize;
|
|
}
|
|
parser->item_length = 0;
|
|
parser->item_offset = 0;
|
|
parser->state.UNIX.main = PL_UNIX_TIME;
|
|
parser->state.UNIX.sub.time = PL_UNIX_TIME_PREPART1;
|
|
}
|
|
else if(!ISDIGIT(c)) {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case PL_UNIX_TIME:
|
|
switch(parser->state.UNIX.sub.time) {
|
|
case PL_UNIX_TIME_PREPART1:
|
|
if(c != ' ') {
|
|
if(ISALNUM(c)) {
|
|
parser->item_offset = finfo->b_used -1;
|
|
parser->item_length = 1;
|
|
parser->state.UNIX.sub.time = PL_UNIX_TIME_PART1;
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
break;
|
|
case PL_UNIX_TIME_PART1:
|
|
parser->item_length++;
|
|
if(c == ' ') {
|
|
parser->state.UNIX.sub.time = PL_UNIX_TIME_PREPART2;
|
|
}
|
|
else if(!ISALNUM(c) && c != '.') {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
case PL_UNIX_TIME_PREPART2:
|
|
parser->item_length++;
|
|
if(c != ' ') {
|
|
if(ISALNUM(c)) {
|
|
parser->state.UNIX.sub.time = PL_UNIX_TIME_PART2;
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
break;
|
|
case PL_UNIX_TIME_PART2:
|
|
parser->item_length++;
|
|
if(c == ' ') {
|
|
parser->state.UNIX.sub.time = PL_UNIX_TIME_PREPART3;
|
|
}
|
|
else if(!ISALNUM(c) && c != '.') {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
case PL_UNIX_TIME_PREPART3:
|
|
parser->item_length++;
|
|
if(c != ' ') {
|
|
if(ISALNUM(c)) {
|
|
parser->state.UNIX.sub.time = PL_UNIX_TIME_PART3;
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
break;
|
|
case PL_UNIX_TIME_PART3:
|
|
parser->item_length++;
|
|
if(c == ' ') {
|
|
finfo->b_data[parser->item_offset + parser->item_length -1] = 0;
|
|
parser->offsets.time = parser->item_offset;
|
|
if(ftp_pl_gettime(parser, finfo->b_data + parser->item_offset)) {
|
|
parser->file_data->flags |= CURLFINFOFLAG_KNOWN_TIME;
|
|
}
|
|
if(finfo->filetype == CURLFILETYPE_SYMLINK) {
|
|
parser->state.UNIX.main = PL_UNIX_SYMLINK;
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRESPACE;
|
|
}
|
|
else {
|
|
parser->state.UNIX.main = PL_UNIX_FILENAME;
|
|
parser->state.UNIX.sub.filename = PL_UNIX_FILENAME_PRESPACE;
|
|
}
|
|
}
|
|
else if(!ISALNUM(c) && c != '.' && c != ':') {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case PL_UNIX_FILENAME:
|
|
switch(parser->state.UNIX.sub.filename) {
|
|
case PL_UNIX_FILENAME_PRESPACE:
|
|
if(c != ' ') {
|
|
parser->item_offset = finfo->b_used - 1;
|
|
parser->item_length = 1;
|
|
parser->state.UNIX.sub.filename = PL_UNIX_FILENAME_NAME;
|
|
}
|
|
break;
|
|
case PL_UNIX_FILENAME_NAME:
|
|
parser->item_length++;
|
|
if(c == '\r') {
|
|
parser->item_length--;
|
|
parser->state.UNIX.sub.filename = PL_UNIX_FILENAME_WINDOWSEOL;
|
|
}
|
|
else if(c == '\n') {
|
|
finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
|
|
parser->offsets.filename = parser->item_offset;
|
|
parser->state.UNIX.main = PL_UNIX_FILETYPE;
|
|
rc = ftp_pl_insert_finfo(conn, finfo);
|
|
if(rc) {
|
|
PL_ERROR(conn, rc);
|
|
return bufflen;
|
|
}
|
|
}
|
|
break;
|
|
case PL_UNIX_FILENAME_WINDOWSEOL:
|
|
if(c == '\n') {
|
|
finfo->b_data[parser->item_offset + parser->item_length] = 0;
|
|
parser->offsets.filename = parser->item_offset;
|
|
parser->state.UNIX.main = PL_UNIX_FILETYPE;
|
|
rc = ftp_pl_insert_finfo(conn, finfo);
|
|
if(rc) {
|
|
PL_ERROR(conn, rc);
|
|
return bufflen;
|
|
}
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case PL_UNIX_SYMLINK:
|
|
switch(parser->state.UNIX.sub.symlink) {
|
|
case PL_UNIX_SYMLINK_PRESPACE:
|
|
if(c != ' ') {
|
|
parser->item_offset = finfo->b_used - 1;
|
|
parser->item_length = 1;
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
|
|
}
|
|
break;
|
|
case PL_UNIX_SYMLINK_NAME:
|
|
parser->item_length++;
|
|
if(c == ' ') {
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET1;
|
|
}
|
|
else if(c == '\r' || c == '\n') {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
case PL_UNIX_SYMLINK_PRETARGET1:
|
|
parser->item_length++;
|
|
if(c == '-') {
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET2;
|
|
}
|
|
else if(c == '\r' || c == '\n') {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
else {
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
|
|
}
|
|
break;
|
|
case PL_UNIX_SYMLINK_PRETARGET2:
|
|
parser->item_length++;
|
|
if(c == '>') {
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET3;
|
|
}
|
|
else if(c == '\r' || c == '\n') {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
else {
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
|
|
}
|
|
break;
|
|
case PL_UNIX_SYMLINK_PRETARGET3:
|
|
parser->item_length++;
|
|
if(c == ' ') {
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET4;
|
|
/* now place where is symlink following */
|
|
finfo->b_data[parser->item_offset + parser->item_length - 4] = 0;
|
|
parser->offsets.filename = parser->item_offset;
|
|
parser->item_length = 0;
|
|
parser->item_offset = 0;
|
|
}
|
|
else if(c == '\r' || c == '\n') {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
else {
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
|
|
}
|
|
break;
|
|
case PL_UNIX_SYMLINK_PRETARGET4:
|
|
if(c != '\r' && c != '\n') {
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_TARGET;
|
|
parser->item_offset = finfo->b_used - 1;
|
|
parser->item_length = 1;
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
case PL_UNIX_SYMLINK_TARGET:
|
|
parser->item_length ++;
|
|
if(c == '\r') {
|
|
parser->item_length --;
|
|
parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_WINDOWSEOL;
|
|
}
|
|
else if(c == '\n') {
|
|
finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
|
|
parser->offsets.symlink_target = parser->item_offset;
|
|
rc = ftp_pl_insert_finfo(conn, finfo);
|
|
if(rc) {
|
|
PL_ERROR(conn, rc);
|
|
return bufflen;
|
|
}
|
|
parser->state.UNIX.main = PL_UNIX_FILETYPE;
|
|
}
|
|
break;
|
|
case PL_UNIX_SYMLINK_WINDOWSEOL:
|
|
if(c == '\n') {
|
|
finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
|
|
parser->offsets.symlink_target = parser->item_offset;
|
|
rc = ftp_pl_insert_finfo(conn, finfo);
|
|
if(rc) {
|
|
PL_ERROR(conn, rc);
|
|
return bufflen;
|
|
}
|
|
parser->state.UNIX.main = PL_UNIX_FILETYPE;
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case OS_TYPE_WIN_NT:
|
|
switch(parser->state.NT.main) {
|
|
case PL_WINNT_DATE:
|
|
parser->item_length++;
|
|
if(parser->item_length < 9) {
|
|
if(!strchr("0123456789-", c)) { /* only simple control */
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
else if(parser->item_length == 9) {
|
|
if(c == ' ') {
|
|
parser->state.NT.main = PL_WINNT_TIME;
|
|
parser->state.NT.sub.time = PL_WINNT_TIME_PRESPACE;
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
case PL_WINNT_TIME:
|
|
parser->item_length++;
|
|
switch(parser->state.NT.sub.time) {
|
|
case PL_WINNT_TIME_PRESPACE:
|
|
if(!ISSPACE(c)) {
|
|
parser->state.NT.sub.time = PL_WINNT_TIME_TIME;
|
|
}
|
|
break;
|
|
case PL_WINNT_TIME_TIME:
|
|
if(c == ' ') {
|
|
parser->offsets.time = parser->item_offset;
|
|
finfo->b_data[parser->item_offset + parser->item_length -1] = 0;
|
|
parser->state.NT.main = PL_WINNT_DIRORSIZE;
|
|
parser->state.NT.sub.dirorsize = PL_WINNT_DIRORSIZE_PRESPACE;
|
|
parser->item_length = 0;
|
|
}
|
|
else if(!strchr("APM0123456789:", c)) {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case PL_WINNT_DIRORSIZE:
|
|
switch(parser->state.NT.sub.dirorsize) {
|
|
case PL_WINNT_DIRORSIZE_PRESPACE:
|
|
if(c == ' ') {
|
|
|
|
}
|
|
else {
|
|
parser->item_offset = finfo->b_used - 1;
|
|
parser->item_length = 1;
|
|
parser->state.NT.sub.dirorsize = PL_WINNT_DIRORSIZE_CONTENT;
|
|
}
|
|
break;
|
|
case PL_WINNT_DIRORSIZE_CONTENT:
|
|
parser->item_length ++;
|
|
if(c == ' ') {
|
|
finfo->b_data[parser->item_offset + parser->item_length - 1] = 0;
|
|
if(strcmp("<DIR>", finfo->b_data + parser->item_offset) == 0) {
|
|
finfo->filetype = CURLFILETYPE_DIRECTORY;
|
|
finfo->size = 0;
|
|
}
|
|
else {
|
|
char *endptr;
|
|
finfo->size = curlx_strtoofft(finfo->b_data +
|
|
parser->item_offset,
|
|
&endptr, 10);
|
|
if(!*endptr) {
|
|
if(finfo->size == CURL_OFF_T_MAX ||
|
|
finfo->size == CURL_OFF_T_MIN) {
|
|
if(errno == ERANGE) {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
/* correct file type */
|
|
parser->file_data->filetype = CURLFILETYPE_FILE;
|
|
}
|
|
|
|
parser->file_data->flags |= CURLFINFOFLAG_KNOWN_SIZE;
|
|
parser->item_length = 0;
|
|
parser->state.NT.main = PL_WINNT_FILENAME;
|
|
parser->state.NT.sub.filename = PL_WINNT_FILENAME_PRESPACE;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case PL_WINNT_FILENAME:
|
|
switch (parser->state.NT.sub.filename) {
|
|
case PL_WINNT_FILENAME_PRESPACE:
|
|
if(c != ' ') {
|
|
parser->item_offset = finfo->b_used -1;
|
|
parser->item_length = 1;
|
|
parser->state.NT.sub.filename = PL_WINNT_FILENAME_CONTENT;
|
|
}
|
|
break;
|
|
case PL_WINNT_FILENAME_CONTENT:
|
|
parser->item_length++;
|
|
if(c == '\r') {
|
|
parser->state.NT.sub.filename = PL_WINNT_FILENAME_WINEOL;
|
|
finfo->b_data[finfo->b_used - 1] = 0;
|
|
}
|
|
else if(c == '\n') {
|
|
parser->offsets.filename = parser->item_offset;
|
|
finfo->b_data[finfo->b_used - 1] = 0;
|
|
parser->offsets.filename = parser->item_offset;
|
|
rc = ftp_pl_insert_finfo(conn, finfo);
|
|
if(rc) {
|
|
PL_ERROR(conn, rc);
|
|
return bufflen;
|
|
}
|
|
parser->state.NT.main = PL_WINNT_DATE;
|
|
parser->state.NT.sub.filename = PL_WINNT_FILENAME_PRESPACE;
|
|
}
|
|
break;
|
|
case PL_WINNT_FILENAME_WINEOL:
|
|
if(c == '\n') {
|
|
parser->offsets.filename = parser->item_offset;
|
|
rc = ftp_pl_insert_finfo(conn, finfo);
|
|
if(rc) {
|
|
PL_ERROR(conn, rc);
|
|
return bufflen;
|
|
}
|
|
parser->state.NT.main = PL_WINNT_DATE;
|
|
parser->state.NT.sub.filename = PL_WINNT_FILENAME_PRESPACE;
|
|
}
|
|
else {
|
|
PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
|
|
return bufflen;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
return bufflen+1;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
return bufflen;
|
|
}
|