diff options
Diffstat (limited to 'libcurl/src/lib/ftplistparser.c')
| -rw-r--r-- | libcurl/src/lib/ftplistparser.c | 1048 |
1 files changed, 1048 insertions, 0 deletions
diff --git a/libcurl/src/lib/ftplistparser.c b/libcurl/src/lib/ftplistparser.c new file mode 100644 index 0000000..f5a6553 --- /dev/null +++ b/libcurl/src/lib/ftplistparser.c @@ -0,0 +1,1048 @@ +/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, 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 "curl_setup.h"
+
+#ifndef CURL_DISABLE_FTP
+
+#include <curl/curl.h>
+
+#include "urldata.h"
+#include "fileinfo.h"
+#include "llist.h"
+#include "strtoofft.h"
+#include "rawstr.h"
+#include "ftp.h"
+#include "ftplistparser.h"
+#include "curl_fnmatch.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;
+};
+
+CURL_STATIC struct ftp_parselist_data *Curl_ftp_parselist_data_alloc(void)
+{
+ return calloc(1, sizeof(struct ftp_parselist_data));
+}
+
+
+CURL_STATIC void Curl_ftp_parselist_data_free(struct ftp_parselist_data **pl_data)
+{
+ free(*pl_data);
+ *pl_data = NULL;
+}
+
+
+CURL_STATIC 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;
+}
+
+CURL_STATIC 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 result;
+
+ 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, pass the leading white
+ spaces and then the digits */
+ while(ISSPACE(*endptr))
+ endptr++;
+ while(ISDIGIT(*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;
+ result = ftp_pl_insert_finfo(conn, finfo);
+ if(result) {
+ PL_ERROR(conn, result);
+ 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;
+ result = ftp_pl_insert_finfo(conn, finfo);
+ if(result) {
+ PL_ERROR(conn, result);
+ 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;
+ result = ftp_pl_insert_finfo(conn, finfo);
+ if(result) {
+ PL_ERROR(conn, result);
+ 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;
+ result = ftp_pl_insert_finfo(conn, finfo);
+ if(result) {
+ PL_ERROR(conn, result);
+ 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;
+ result = ftp_pl_insert_finfo(conn, finfo);
+ if(result) {
+ PL_ERROR(conn, result);
+ 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;
+ result = ftp_pl_insert_finfo(conn, finfo);
+ if(result) {
+ PL_ERROR(conn, result);
+ 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;
+}
+
+#endif /* CURL_DISABLE_FTP */
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