forked from php/php-src
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathftp.c
2113 lines (1811 loc) · 38.2 KB
/
ftp.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andrew Skalski <[email protected]> |
| Stefan Esser <[email protected]> (resume functions) |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if HAVE_FTP
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h>
#include <string.h>
#include <time.h>
#ifdef PHP_WIN32
#include <winsock2.h>
#elif defined(NETWARE)
#ifdef USE_WINSOCK /* Modified to use Winsock (NOVSOCK2.H), at least for now */
#include <novsock2.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#endif
#else
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#endif
#include <errno.h>
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifdef HAVE_FTP_SSL
#include <openssl/ssl.h>
#endif
#include "ftp.h"
#include "ext/standard/fsock.h"
/* Additional headers for NetWare */
#if defined(NETWARE) && !defined(USE_WINSOCK)
#include <sys/select.h>
#endif
/* sends an ftp command, returns true on success, false on error.
* it sends the string "cmd args\r\n" if args is non-null, or
* "cmd\r\n" if args is null
*/
static int ftp_putcmd( ftpbuf_t *ftp,
const char *cmd,
const char *args);
/* wrapper around send/recv to handle timeouts */
static int my_send(ftpbuf_t *ftp, php_socket_t s, void *buf, size_t len);
static int my_recv(ftpbuf_t *ftp, php_socket_t s, void *buf, size_t len);
static int my_accept(ftpbuf_t *ftp, php_socket_t s, struct sockaddr *addr, socklen_t *addrlen);
/* reads a line the socket , returns true on success, false on error */
static int ftp_readline(ftpbuf_t *ftp);
/* reads an ftp response, returns true on success, false on error */
static int ftp_getresp(ftpbuf_t *ftp);
/* sets the ftp transfer type */
static int ftp_type(ftpbuf_t *ftp, ftptype_t type);
/* opens up a data stream */
static databuf_t* ftp_getdata(ftpbuf_t *ftp);
/* accepts the data connection, returns updated data buffer */
static databuf_t* data_accept(databuf_t *data, ftpbuf_t *ftp);
/* closes the data connection, returns NULL */
static databuf_t* data_close(ftpbuf_t *ftp, databuf_t *data);
/* generic file lister */
static char** ftp_genlist(ftpbuf_t *ftp, const char *cmd, const char *path);
/* IP and port conversion box */
union ipbox {
struct in_addr ia[2];
unsigned short s[4];
unsigned char c[8];
};
/* {{{ ftp_open
*/
ftpbuf_t*
ftp_open(const char *host, short port, zend_long timeout_sec)
{
ftpbuf_t *ftp;
socklen_t size;
struct timeval tv;
/* alloc the ftp structure */
ftp = ecalloc(1, sizeof(*ftp));
tv.tv_sec = timeout_sec;
tv.tv_usec = 0;
ftp->fd = php_network_connect_socket_to_host(host,
(unsigned short) (port ? port : 21), SOCK_STREAM,
0, &tv, NULL, NULL, NULL, 0, STREAM_SOCKOP_NONE);
if (ftp->fd == -1) {
goto bail;
}
/* Default Settings */
ftp->timeout_sec = timeout_sec;
ftp->nb = 0;
size = sizeof(ftp->localaddr);
memset(&ftp->localaddr, 0, size);
if (getsockname(ftp->fd, (struct sockaddr*) &ftp->localaddr, &size) != 0) {
php_error_docref(NULL, E_WARNING, "getsockname failed: %s (%d)", strerror(errno), errno);
goto bail;
}
if (!ftp_getresp(ftp) || ftp->resp != 220) {
goto bail;
}
return ftp;
bail:
if (ftp->fd != -1) {
closesocket(ftp->fd);
}
efree(ftp);
return NULL;
}
/* }}} */
/* {{{ ftp_close
*/
ftpbuf_t*
ftp_close(ftpbuf_t *ftp)
{
if (ftp == NULL) {
return NULL;
}
if (ftp->data) {
data_close(ftp, ftp->data);
}
if (ftp->stream && ftp->closestream) {
php_stream_close(ftp->stream);
}
if (ftp->fd != -1) {
#ifdef HAVE_FTP_SSL
if (ftp->ssl_active) {
SSL_shutdown(ftp->ssl_handle);
SSL_free(ftp->ssl_handle);
}
#endif
closesocket(ftp->fd);
}
ftp_gc(ftp);
efree(ftp);
return NULL;
}
/* }}} */
/* {{{ ftp_gc
*/
void
ftp_gc(ftpbuf_t *ftp)
{
if (ftp == NULL) {
return;
}
if (ftp->pwd) {
efree(ftp->pwd);
ftp->pwd = NULL;
}
if (ftp->syst) {
efree(ftp->syst);
ftp->syst = NULL;
}
}
/* }}} */
/* {{{ ftp_quit
*/
int
ftp_quit(ftpbuf_t *ftp)
{
if (ftp == NULL) {
return 0;
}
if (!ftp_putcmd(ftp, "QUIT", NULL)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 221) {
return 0;
}
if (ftp->pwd) {
efree(ftp->pwd);
ftp->pwd = NULL;
}
return 1;
}
/* }}} */
/* {{{ ftp_login
*/
int
ftp_login(ftpbuf_t *ftp, const char *user, const char *pass)
{
#ifdef HAVE_FTP_SSL
SSL_CTX *ctx = NULL;
long ssl_ctx_options = SSL_OP_ALL;
int err, res;
zend_bool retry;
#endif
if (ftp == NULL) {
return 0;
}
#ifdef HAVE_FTP_SSL
if (ftp->use_ssl && !ftp->ssl_active) {
if (!ftp_putcmd(ftp, "AUTH", "TLS")) {
return 0;
}
if (!ftp_getresp(ftp)) {
return 0;
}
if (ftp->resp != 234) {
if (!ftp_putcmd(ftp, "AUTH", "SSL")) {
return 0;
}
if (!ftp_getresp(ftp)) {
return 0;
}
if (ftp->resp != 334) {
return 0;
} else {
ftp->old_ssl = 1;
ftp->use_ssl_for_data = 1;
}
}
ctx = SSL_CTX_new(SSLv23_client_method());
if (ctx == NULL) {
php_error_docref(NULL, E_WARNING, "failed to create the SSL context");
return 0;
}
#if OPENSSL_VERSION_NUMBER >= 0x0090605fL
ssl_ctx_options &= ~SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS;
#endif
SSL_CTX_set_options(ctx, ssl_ctx_options);
ftp->ssl_handle = SSL_new(ctx);
if (ftp->ssl_handle == NULL) {
php_error_docref(NULL, E_WARNING, "failed to create the SSL handle");
SSL_CTX_free(ctx);
return 0;
}
SSL_set_fd(ftp->ssl_handle, ftp->fd);
do {
res = SSL_connect(ftp->ssl_handle);
err = SSL_get_error(ftp->ssl_handle, res);
/* TODO check if handling other error codes would make sense */
switch (err) {
case SSL_ERROR_NONE:
retry = 0;
break;
case SSL_ERROR_ZERO_RETURN:
retry = 0;
SSL_shutdown(ftp->ssl_handle);
break;
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_WRITE: {
php_pollfd p;
int i;
p.fd = ftp->fd;
p.events = (err == SSL_ERROR_WANT_READ) ? (POLLIN|POLLPRI) : POLLOUT;
p.revents = 0;
i = php_poll2(&p, 1, 300);
retry = i > 0;
}
break;
default:
php_error_docref(NULL, E_WARNING, "SSL/TLS handshake failed");
SSL_shutdown(ftp->ssl_handle);
SSL_free(ftp->ssl_handle);
return 0;
}
} while (retry);
ftp->ssl_active = 1;
if (!ftp->old_ssl) {
/* set protection buffersize to zero */
if (!ftp_putcmd(ftp, "PBSZ", "0")) {
return 0;
}
if (!ftp_getresp(ftp)) {
return 0;
}
/* enable data conn encryption */
if (!ftp_putcmd(ftp, "PROT", "P")) {
return 0;
}
if (!ftp_getresp(ftp)) {
return 0;
}
ftp->use_ssl_for_data = (ftp->resp >= 200 && ftp->resp <=299);
}
}
#endif
if (!ftp_putcmd(ftp, "USER", user)) {
return 0;
}
if (!ftp_getresp(ftp)) {
return 0;
}
if (ftp->resp == 230) {
return 1;
}
if (ftp->resp != 331) {
return 0;
}
if (!ftp_putcmd(ftp, "PASS", pass)) {
return 0;
}
if (!ftp_getresp(ftp)) {
return 0;
}
return (ftp->resp == 230);
}
/* }}} */
/* {{{ ftp_reinit
*/
int
ftp_reinit(ftpbuf_t *ftp)
{
if (ftp == NULL) {
return 0;
}
ftp_gc(ftp);
ftp->nb = 0;
if (!ftp_putcmd(ftp, "REIN", NULL)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 220) {
return 0;
}
return 1;
}
/* }}} */
/* {{{ ftp_syst
*/
const char*
ftp_syst(ftpbuf_t *ftp)
{
char *syst, *end;
if (ftp == NULL) {
return NULL;
}
/* default to cached value */
if (ftp->syst) {
return ftp->syst;
}
if (!ftp_putcmd(ftp, "SYST", NULL)) {
return NULL;
}
if (!ftp_getresp(ftp) || ftp->resp != 215) {
return NULL;
}
syst = ftp->inbuf;
while (*syst == ' ') {
syst++;
}
if ((end = strchr(syst, ' '))) {
*end = 0;
}
ftp->syst = estrdup(syst);
if (end) {
*end = ' ';
}
return ftp->syst;
}
/* }}} */
/* {{{ ftp_pwd
*/
const char*
ftp_pwd(ftpbuf_t *ftp)
{
char *pwd, *end;
if (ftp == NULL) {
return NULL;
}
/* default to cached value */
if (ftp->pwd) {
return ftp->pwd;
}
if (!ftp_putcmd(ftp, "PWD", NULL)) {
return NULL;
}
if (!ftp_getresp(ftp) || ftp->resp != 257) {
return NULL;
}
/* copy out the pwd from response */
if ((pwd = strchr(ftp->inbuf, '"')) == NULL) {
return NULL;
}
if ((end = strrchr(++pwd, '"')) == NULL) {
return NULL;
}
ftp->pwd = estrndup(pwd, end - pwd);
return ftp->pwd;
}
/* }}} */
/* {{{ ftp_exec
*/
int
ftp_exec(ftpbuf_t *ftp, const char *cmd)
{
if (ftp == NULL) {
return 0;
}
if (!ftp_putcmd(ftp, "SITE EXEC", cmd)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 200) {
return 0;
}
return 1;
}
/* }}} */
/* {{{ ftp_raw
*/
void
ftp_raw(ftpbuf_t *ftp, const char *cmd, zval *return_value)
{
if (ftp == NULL || cmd == NULL) {
RETURN_NULL();
}
if (!ftp_putcmd(ftp, cmd, NULL)) {
RETURN_NULL();
}
array_init(return_value);
while (ftp_readline(ftp)) {
add_next_index_string(return_value, ftp->inbuf);
if (isdigit(ftp->inbuf[0]) && isdigit(ftp->inbuf[1]) && isdigit(ftp->inbuf[2]) && ftp->inbuf[3] == ' ') {
return;
}
}
}
/* }}} */
/* {{{ ftp_chdir
*/
int
ftp_chdir(ftpbuf_t *ftp, const char *dir)
{
if (ftp == NULL) {
return 0;
}
if (ftp->pwd) {
efree(ftp->pwd);
ftp->pwd = NULL;
}
if (!ftp_putcmd(ftp, "CWD", dir)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 250) {
return 0;
}
return 1;
}
/* }}} */
/* {{{ ftp_cdup
*/
int
ftp_cdup(ftpbuf_t *ftp)
{
if (ftp == NULL) {
return 0;
}
if (ftp->pwd) {
efree(ftp->pwd);
ftp->pwd = NULL;
}
if (!ftp_putcmd(ftp, "CDUP", NULL)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 250) {
return 0;
}
return 1;
}
/* }}} */
/* {{{ ftp_mkdir
*/
zend_string*
ftp_mkdir(ftpbuf_t *ftp, const char *dir)
{
char *mkd, *end;
zend_string *ret;
if (ftp == NULL) {
return NULL;
}
if (!ftp_putcmd(ftp, "MKD", dir)) {
return NULL;
}
if (!ftp_getresp(ftp) || ftp->resp != 257) {
return NULL;
}
/* copy out the dir from response */
if ((mkd = strchr(ftp->inbuf, '"')) == NULL) {
return zend_string_init(dir, strlen(dir), 0);
}
if ((end = strrchr(++mkd, '"')) == NULL) {
return NULL;
}
*end = 0;
ret = zend_string_init(mkd, end - mkd, 0);
*end = '"';
return ret;
}
/* }}} */
/* {{{ ftp_rmdir
*/
int
ftp_rmdir(ftpbuf_t *ftp, const char *dir)
{
if (ftp == NULL) {
return 0;
}
if (!ftp_putcmd(ftp, "RMD", dir)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 250) {
return 0;
}
return 1;
}
/* }}} */
/* {{{ ftp_chmod
*/
int
ftp_chmod(ftpbuf_t *ftp, const int mode, const char *filename, const int filename_len)
{
char *buffer;
if (ftp == NULL || filename_len <= 0) {
return 0;
}
spprintf(&buffer, 0, "CHMOD %o %s", mode, filename);
if (!ftp_putcmd(ftp, "SITE", buffer)) {
efree(buffer);
return 0;
}
efree(buffer);
if (!ftp_getresp(ftp) || ftp->resp != 200) {
return 0;
}
return 1;
}
/* }}} */
/* {{{ ftp_alloc
*/
int
ftp_alloc(ftpbuf_t *ftp, const zend_long size, zend_string **response)
{
char buffer[64];
if (ftp == NULL || size <= 0) {
return 0;
}
snprintf(buffer, sizeof(buffer) - 1, ZEND_LONG_FMT, size);
if (!ftp_putcmd(ftp, "ALLO", buffer)) {
return 0;
}
if (!ftp_getresp(ftp)) {
return 0;
}
if (response) {
*response = zend_string_init(ftp->inbuf, strlen(ftp->inbuf), 0);
}
if (ftp->resp < 200 || ftp->resp >= 300) {
return 0;
}
return 1;
}
/* }}} */
/* {{{ ftp_nlist
*/
char**
ftp_nlist(ftpbuf_t *ftp, const char *path)
{
return ftp_genlist(ftp, "NLST", path);
}
/* }}} */
/* {{{ ftp_list
*/
char**
ftp_list(ftpbuf_t *ftp, const char *path, int recursive)
{
return ftp_genlist(ftp, ((recursive) ? "LIST -R" : "LIST"), path);
}
/* }}} */
/* {{{ ftp_type
*/
int
ftp_type(ftpbuf_t *ftp, ftptype_t type)
{
char typechar[2] = "?";
if (ftp == NULL) {
return 0;
}
if (type == ftp->type) {
return 1;
}
if (type == FTPTYPE_ASCII) {
typechar[0] = 'A';
} else if (type == FTPTYPE_IMAGE) {
typechar[0] = 'I';
} else {
return 0;
}
if (!ftp_putcmd(ftp, "TYPE", typechar)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 200) {
return 0;
}
ftp->type = type;
return 1;
}
/* }}} */
/* {{{ ftp_pasv
*/
int
ftp_pasv(ftpbuf_t *ftp, int pasv)
{
char *ptr;
union ipbox ipbox;
unsigned long b[6];
socklen_t n;
struct sockaddr *sa;
struct sockaddr_in *sin;
if (ftp == NULL) {
return 0;
}
if (pasv && ftp->pasv == 2) {
return 1;
}
ftp->pasv = 0;
if (!pasv) {
return 1;
}
n = sizeof(ftp->pasvaddr);
memset(&ftp->pasvaddr, 0, n);
sa = (struct sockaddr *) &ftp->pasvaddr;
#if HAVE_IPV6
if (getpeername(ftp->fd, sa, &n) < 0) {
return 0;
}
if (sa->sa_family == AF_INET6) {
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) sa;
char *endptr, delimiter;
/* try EPSV first */
if (!ftp_putcmd(ftp, "EPSV", NULL)) {
return 0;
}
if (!ftp_getresp(ftp)) {
return 0;
}
if (ftp->resp == 229) {
/* parse out the port */
for (ptr = ftp->inbuf; *ptr && *ptr != '('; ptr++);
if (!*ptr) {
return 0;
}
delimiter = *++ptr;
for (n = 0; *ptr && n < 3; ptr++) {
if (*ptr == delimiter) {
n++;
}
}
sin6->sin6_port = htons((unsigned short) strtoul(ptr, &endptr, 10));
if (ptr == endptr || *endptr != delimiter) {
return 0;
}
ftp->pasv = 2;
return 1;
}
}
/* fall back to PASV */
#endif
if (!ftp_putcmd(ftp, "PASV", NULL)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 227) {
return 0;
}
/* parse out the IP and port */
for (ptr = ftp->inbuf; *ptr && !isdigit(*ptr); ptr++);
n = sscanf(ptr, "%lu,%lu,%lu,%lu,%lu,%lu", &b[0], &b[1], &b[2], &b[3], &b[4], &b[5]);
if (n != 6) {
return 0;
}
for (n = 0; n < 6; n++) {
ipbox.c[n] = (unsigned char) b[n];
}
sin = (struct sockaddr_in *) sa;
sin->sin_family = AF_INET;
sin->sin_addr = ipbox.ia[0];
sin->sin_port = ipbox.s[2];
ftp->pasv = 2;
return 1;
}
/* }}} */
/* {{{ ftp_get
*/
int
ftp_get(ftpbuf_t *ftp, php_stream *outstream, const char *path, ftptype_t type, zend_long resumepos)
{
databuf_t *data = NULL;
size_t rcvd;
char arg[11];
if (ftp == NULL) {
return 0;
}
if (!ftp_type(ftp, type)) {
goto bail;
}
if ((data = ftp_getdata(ftp)) == NULL) {
goto bail;
}
ftp->data = data;
if (resumepos > 0) {
snprintf(arg, sizeof(arg), ZEND_LONG_FMT, resumepos);
if (!ftp_putcmd(ftp, "REST", arg)) {
goto bail;
}
if (!ftp_getresp(ftp) || (ftp->resp != 350)) {
goto bail;
}
}
if (!ftp_putcmd(ftp, "RETR", path)) {
goto bail;
}
if (!ftp_getresp(ftp) || (ftp->resp != 150 && ftp->resp != 125)) {
goto bail;
}
if ((data = data_accept(data, ftp)) == NULL) {
goto bail;
}
while ((rcvd = my_recv(ftp, data->fd, data->buf, FTP_BUFSIZE))) {
if (rcvd == -1) {
goto bail;
}
if (type == FTPTYPE_ASCII) {
#ifndef PHP_WIN32
char *s;
#endif
char *ptr = data->buf;
char *e = ptr + rcvd;
/* logic depends on the OS EOL
* Win32 -> \r\n
* Everything Else \n
*/
#ifdef PHP_WIN32
php_stream_write(outstream, ptr, (e - ptr));
ptr = e;
#else
while (e > ptr && (s = memchr(ptr, '\r', (e - ptr)))) {
php_stream_write(outstream, ptr, (s - ptr));
if (*(s + 1) == '\n') {
s++;
php_stream_putc(outstream, '\n');
}
ptr = s + 1;
}
#endif
if (ptr < e) {
php_stream_write(outstream, ptr, (e - ptr));
}
} else if (rcvd != php_stream_write(outstream, data->buf, rcvd)) {
goto bail;
}
}
ftp->data = data = data_close(ftp, data);
if (!ftp_getresp(ftp) || (ftp->resp != 226 && ftp->resp != 250)) {
goto bail;
}
return 1;
bail:
ftp->data = data_close(ftp, data);
return 0;
}
/* }}} */
/* {{{ ftp_put
*/
int
ftp_put(ftpbuf_t *ftp, const char *path, php_stream *instream, ftptype_t type, zend_long startpos)
{
databuf_t *data = NULL;
zend_long size;
char *ptr;
int ch;
char arg[11];
if (ftp == NULL) {
return 0;
}
if (!ftp_type(ftp, type)) {
goto bail;
}
if ((data = ftp_getdata(ftp)) == NULL) {
goto bail;
}
ftp->data = data;
if (startpos > 0) {
snprintf(arg, sizeof(arg), ZEND_LONG_FMT, startpos);
if (!ftp_putcmd(ftp, "REST", arg)) {
goto bail;
}
if (!ftp_getresp(ftp) || (ftp->resp != 350)) {
goto bail;
}
}
if (!ftp_putcmd(ftp, "STOR", path)) {
goto bail;
}
if (!ftp_getresp(ftp) || (ftp->resp != 150 && ftp->resp != 125)) {
goto bail;
}
if ((data = data_accept(data, ftp)) == NULL) {
goto bail;
}
size = 0;
ptr = data->buf;
while (!php_stream_eof(instream) && (ch = php_stream_getc(instream))!=EOF) {
/* flush if necessary */
if (FTP_BUFSIZE - size < 2) {
if (my_send(ftp, data->fd, data->buf, size) != size) {
goto bail;
}
ptr = data->buf;
size = 0;
}
if (ch == '\n' && type == FTPTYPE_ASCII) {
*ptr++ = '\r';
size++;
}
*ptr++ = ch;
size++;
}
if (size && my_send(ftp, data->fd, data->buf, size) != size) {
goto bail;
}
ftp->data = data = data_close(ftp, data);
if (!ftp_getresp(ftp) || (ftp->resp != 226 && ftp->resp != 250 && ftp->resp != 200)) {
goto bail;
}
return 1;
bail:
ftp->data = data_close(ftp, data);
return 0;
}
/* }}} */
/* {{{ ftp_size
*/
zend_long
ftp_size(ftpbuf_t *ftp, const char *path)
{
if (ftp == NULL) {
return -1;
}