ReactOS 0.4.16-dev-59-gd481587
xmlIO.c
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1/*
2 * xmlIO.c : implementation of the I/O interfaces used by the parser
3 *
4 * See Copyright for the status of this software.
5 *
6 * daniel@veillard.com
7 *
8 * 14 Nov 2000 ht - for VMS, truncated name of long functions to under 32 char
9 */
10
11#define IN_LIBXML
12#include "libxml.h"
13
14#include <string.h>
15#include <stdlib.h>
16#include <errno.h>
17
18#ifdef HAVE_SYS_TYPES_H
19#include <sys/types.h>
20#endif
21#ifdef HAVE_SYS_STAT_H
22#include <sys/stat.h>
23#endif
24#ifdef HAVE_FCNTL_H
25#include <fcntl.h>
26#endif
27#ifdef HAVE_UNISTD_H
28#include <unistd.h>
29#endif
30#ifdef LIBXML_ZLIB_ENABLED
31#include <zlib.h>
32#endif
33#ifdef LIBXML_LZMA_ENABLED
34#include <lzma.h>
35#endif
36
37#if defined(_WIN32)
38#ifdef __REACTOS__
39#include <winnls.h>
40#else /* __REACTOS__ */
41#define WIN32_LEAN_AND_MEAN
42#include <windows.h>
43#endif /* __REACTOS__ */
44#include <io.h>
45#include <direct.h>
46#endif
47
48#ifndef S_ISDIR
49# ifdef _S_ISDIR
50# define S_ISDIR(x) _S_ISDIR(x)
51# elif defined(S_IFDIR)
52# ifdef S_IFMT
53# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
54# elif defined(_S_IFMT)
55# define S_ISDIR(m) (((m) & _S_IFMT) == S_IFDIR)
56# endif
57# endif
58#endif
59
60#include <libxml/xmlmemory.h>
61#include <libxml/parser.h>
62#include <libxml/parserInternals.h>
63#include <libxml/xmlIO.h>
64#include <libxml/uri.h>
65#include <libxml/nanohttp.h>
66#include <libxml/nanoftp.h>
67#include <libxml/xmlerror.h>
68#ifdef LIBXML_CATALOG_ENABLED
69#include <libxml/catalog.h>
70#endif
71#include <libxml/globals.h>
72
73#include "buf.h"
74#include "enc.h"
75
76/* #define VERBOSE_FAILURE */
77/* #define DEBUG_EXTERNAL_ENTITIES */
78/* #define DEBUG_INPUT */
79
80#ifdef DEBUG_INPUT
81#define MINLEN 40
82#else
83#define MINLEN 4000
84#endif
85
86/*
87 * Input I/O callback sets
88 */
89typedef struct _xmlInputCallback {
90 xmlInputMatchCallback matchcallback;
91 xmlInputOpenCallback opencallback;
92 xmlInputReadCallback readcallback;
93 xmlInputCloseCallback closecallback;
94} xmlInputCallback;
95
96#define MAX_INPUT_CALLBACK 15
97
98static xmlInputCallback xmlInputCallbackTable[MAX_INPUT_CALLBACK];
99static int xmlInputCallbackNr = 0;
100static int xmlInputCallbackInitialized = 0;
101
102#ifdef LIBXML_OUTPUT_ENABLED
103/*
104 * Output I/O callback sets
105 */
106typedef struct _xmlOutputCallback {
107 xmlOutputMatchCallback matchcallback;
108 xmlOutputOpenCallback opencallback;
109 xmlOutputWriteCallback writecallback;
110 xmlOutputCloseCallback closecallback;
111} xmlOutputCallback;
112
113#define MAX_OUTPUT_CALLBACK 15
114
115static xmlOutputCallback xmlOutputCallbackTable[MAX_OUTPUT_CALLBACK];
116static int xmlOutputCallbackNr = 0;
117static int xmlOutputCallbackInitialized = 0;
118
119xmlOutputBufferPtr
120xmlAllocOutputBufferInternal(xmlCharEncodingHandlerPtr encoder);
121#endif /* LIBXML_OUTPUT_ENABLED */
122
123/************************************************************************
124 * *
125 * Tree memory error handler *
126 * *
127 ************************************************************************/
128
129static const char* const IOerr[] = {
130 "Unknown IO error", /* UNKNOWN */
131 "Permission denied", /* EACCES */
132 "Resource temporarily unavailable",/* EAGAIN */
133 "Bad file descriptor", /* EBADF */
134 "Bad message", /* EBADMSG */
135 "Resource busy", /* EBUSY */
136 "Operation canceled", /* ECANCELED */
137 "No child processes", /* ECHILD */
138 "Resource deadlock avoided",/* EDEADLK */
139 "Domain error", /* EDOM */
140 "File exists", /* EEXIST */
141 "Bad address", /* EFAULT */
142 "File too large", /* EFBIG */
143 "Operation in progress", /* EINPROGRESS */
144 "Interrupted function call",/* EINTR */
145 "Invalid argument", /* EINVAL */
146 "Input/output error", /* EIO */
147 "Is a directory", /* EISDIR */
148 "Too many open files", /* EMFILE */
149 "Too many links", /* EMLINK */
150 "Inappropriate message buffer length",/* EMSGSIZE */
151 "Filename too long", /* ENAMETOOLONG */
152 "Too many open files in system",/* ENFILE */
153 "No such device", /* ENODEV */
154 "No such file or directory",/* ENOENT */
155 "Exec format error", /* ENOEXEC */
156 "No locks available", /* ENOLCK */
157 "Not enough space", /* ENOMEM */
158 "No space left on device", /* ENOSPC */
159 "Function not implemented", /* ENOSYS */
160 "Not a directory", /* ENOTDIR */
161 "Directory not empty", /* ENOTEMPTY */
162 "Not supported", /* ENOTSUP */
163 "Inappropriate I/O control operation",/* ENOTTY */
164 "No such device or address",/* ENXIO */
165 "Operation not permitted", /* EPERM */
166 "Broken pipe", /* EPIPE */
167 "Result too large", /* ERANGE */
168 "Read-only file system", /* EROFS */
169 "Invalid seek", /* ESPIPE */
170 "No such process", /* ESRCH */
171 "Operation timed out", /* ETIMEDOUT */
172 "Improper link", /* EXDEV */
173 "Attempt to load network entity %s", /* XML_IO_NETWORK_ATTEMPT */
174 "encoder error", /* XML_IO_ENCODER */
175 "flush error",
176 "write error",
177 "no input",
178 "buffer full",
179 "loading error",
180 "not a socket", /* ENOTSOCK */
181 "already connected", /* EISCONN */
182 "connection refused", /* ECONNREFUSED */
183 "unreachable network", /* ENETUNREACH */
184 "address in use", /* EADDRINUSE */
185 "already in use", /* EALREADY */
186 "unknown address family", /* EAFNOSUPPORT */
187};
188
189#if defined(_WIN32)
196static wchar_t *
197__xmlIOWin32UTF8ToWChar(const char *u8String)
198{
199 wchar_t *wString = NULL;
200
201 if (u8String) {
202 int wLen =
203 MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, u8String,
204 -1, NULL, 0);
205 if (wLen) {
206 wString = xmlMalloc(wLen * sizeof(wchar_t));
207 if (wString) {
208 if (MultiByteToWideChar
209 (CP_UTF8, 0, u8String, -1, wString, wLen) == 0) {
210 xmlFree(wString);
211 wString = NULL;
212 }
213 }
214 }
215 }
216
217 return wString;
218}
219#endif
220
227static void
228xmlIOErrMemory(const char *extra)
229{
230 __xmlSimpleError(XML_FROM_IO, XML_ERR_NO_MEMORY, NULL, NULL, extra);
231}
232
241void
242__xmlIOErr(int domain, int code, const char *extra)
243{
244 unsigned int idx;
245
246 if (code == 0) {
247 if (errno == 0) code = 0;
248#ifdef EACCES
249 else if (errno == EACCES) code = XML_IO_EACCES;
250#endif
251#ifdef EAGAIN
252 else if (errno == EAGAIN) code = XML_IO_EAGAIN;
253#endif
254#ifdef EBADF
255 else if (errno == EBADF) code = XML_IO_EBADF;
256#endif
257#ifdef EBADMSG
258 else if (errno == EBADMSG) code = XML_IO_EBADMSG;
259#endif
260#ifdef EBUSY
261 else if (errno == EBUSY) code = XML_IO_EBUSY;
262#endif
263#ifdef ECANCELED
264 else if (errno == ECANCELED) code = XML_IO_ECANCELED;
265#endif
266#ifdef ECHILD
267 else if (errno == ECHILD) code = XML_IO_ECHILD;
268#endif
269#ifdef EDEADLK
270 else if (errno == EDEADLK) code = XML_IO_EDEADLK;
271#endif
272#ifdef EDOM
273 else if (errno == EDOM) code = XML_IO_EDOM;
274#endif
275#ifdef EEXIST
276 else if (errno == EEXIST) code = XML_IO_EEXIST;
277#endif
278#ifdef EFAULT
279 else if (errno == EFAULT) code = XML_IO_EFAULT;
280#endif
281#ifdef EFBIG
282 else if (errno == EFBIG) code = XML_IO_EFBIG;
283#endif
284#ifdef EINPROGRESS
285 else if (errno == EINPROGRESS) code = XML_IO_EINPROGRESS;
286#endif
287#ifdef EINTR
288 else if (errno == EINTR) code = XML_IO_EINTR;
289#endif
290#ifdef EINVAL
291 else if (errno == EINVAL) code = XML_IO_EINVAL;
292#endif
293#ifdef EIO
294 else if (errno == EIO) code = XML_IO_EIO;
295#endif
296#ifdef EISDIR
297 else if (errno == EISDIR) code = XML_IO_EISDIR;
298#endif
299#ifdef EMFILE
300 else if (errno == EMFILE) code = XML_IO_EMFILE;
301#endif
302#ifdef EMLINK
303 else if (errno == EMLINK) code = XML_IO_EMLINK;
304#endif
305#ifdef EMSGSIZE
306 else if (errno == EMSGSIZE) code = XML_IO_EMSGSIZE;
307#endif
308#ifdef ENAMETOOLONG
309 else if (errno == ENAMETOOLONG) code = XML_IO_ENAMETOOLONG;
310#endif
311#ifdef ENFILE
312 else if (errno == ENFILE) code = XML_IO_ENFILE;
313#endif
314#ifdef ENODEV
315 else if (errno == ENODEV) code = XML_IO_ENODEV;
316#endif
317#ifdef ENOENT
318 else if (errno == ENOENT) code = XML_IO_ENOENT;
319#endif
320#ifdef ENOEXEC
321 else if (errno == ENOEXEC) code = XML_IO_ENOEXEC;
322#endif
323#ifdef ENOLCK
324 else if (errno == ENOLCK) code = XML_IO_ENOLCK;
325#endif
326#ifdef ENOMEM
327 else if (errno == ENOMEM) code = XML_IO_ENOMEM;
328#endif
329#ifdef ENOSPC
330 else if (errno == ENOSPC) code = XML_IO_ENOSPC;
331#endif
332#ifdef ENOSYS
333 else if (errno == ENOSYS) code = XML_IO_ENOSYS;
334#endif
335#ifdef ENOTDIR
336 else if (errno == ENOTDIR) code = XML_IO_ENOTDIR;
337#endif
338#ifdef ENOTEMPTY
339 else if (errno == ENOTEMPTY) code = XML_IO_ENOTEMPTY;
340#endif
341#ifdef ENOTSUP
342 else if (errno == ENOTSUP) code = XML_IO_ENOTSUP;
343#endif
344#ifdef ENOTTY
345 else if (errno == ENOTTY) code = XML_IO_ENOTTY;
346#endif
347#ifdef ENXIO
348 else if (errno == ENXIO) code = XML_IO_ENXIO;
349#endif
350#ifdef EPERM
351 else if (errno == EPERM) code = XML_IO_EPERM;
352#endif
353#ifdef EPIPE
354 else if (errno == EPIPE) code = XML_IO_EPIPE;
355#endif
356#ifdef ERANGE
357 else if (errno == ERANGE) code = XML_IO_ERANGE;
358#endif
359#ifdef EROFS
360 else if (errno == EROFS) code = XML_IO_EROFS;
361#endif
362#ifdef ESPIPE
363 else if (errno == ESPIPE) code = XML_IO_ESPIPE;
364#endif
365#ifdef ESRCH
366 else if (errno == ESRCH) code = XML_IO_ESRCH;
367#endif
368#ifdef ETIMEDOUT
369 else if (errno == ETIMEDOUT) code = XML_IO_ETIMEDOUT;
370#endif
371#ifdef EXDEV
372 else if (errno == EXDEV) code = XML_IO_EXDEV;
373#endif
374#ifdef ENOTSOCK
375 else if (errno == ENOTSOCK) code = XML_IO_ENOTSOCK;
376#endif
377#ifdef EISCONN
378 else if (errno == EISCONN) code = XML_IO_EISCONN;
379#endif
380#ifdef ECONNREFUSED
381 else if (errno == ECONNREFUSED) code = XML_IO_ECONNREFUSED;
382#endif
383#ifdef ETIMEDOUT
384 else if (errno == ETIMEDOUT) code = XML_IO_ETIMEDOUT;
385#endif
386#ifdef ENETUNREACH
387 else if (errno == ENETUNREACH) code = XML_IO_ENETUNREACH;
388#endif
389#ifdef EADDRINUSE
390 else if (errno == EADDRINUSE) code = XML_IO_EADDRINUSE;
391#endif
392#ifdef EINPROGRESS
393 else if (errno == EINPROGRESS) code = XML_IO_EINPROGRESS;
394#endif
395#ifdef EALREADY
396 else if (errno == EALREADY) code = XML_IO_EALREADY;
397#endif
398#ifdef EAFNOSUPPORT
399 else if (errno == EAFNOSUPPORT) code = XML_IO_EAFNOSUPPORT;
400#endif
401 else code = XML_IO_UNKNOWN;
402 }
403 idx = 0;
404 if (code >= XML_IO_UNKNOWN) idx = code - XML_IO_UNKNOWN;
405 if (idx >= (sizeof(IOerr) / sizeof(IOerr[0]))) idx = 0;
406
407 __xmlSimpleError(domain, code, NULL, IOerr[idx], extra);
408}
409
417static void
418xmlIOErr(int code, const char *extra)
419{
420 __xmlIOErr(XML_FROM_IO, code, extra);
421}
422
430void
431__xmlLoaderErr(void *ctx, const char *msg, const char *filename)
432{
433 xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
434 xmlStructuredErrorFunc schannel = NULL;
435 xmlGenericErrorFunc channel = NULL;
436 void *data = NULL;
437 xmlErrorLevel level = XML_ERR_ERROR;
438
439 if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
440 (ctxt->instate == XML_PARSER_EOF))
441 return;
442 if ((ctxt != NULL) && (ctxt->sax != NULL)) {
443 if (ctxt->validate) {
444 channel = ctxt->sax->error;
445 level = XML_ERR_ERROR;
446 } else {
447 channel = ctxt->sax->warning;
448 level = XML_ERR_WARNING;
449 }
450 if (ctxt->sax->initialized == XML_SAX2_MAGIC)
451 schannel = ctxt->sax->serror;
452 data = ctxt->userData;
453 }
454 __xmlRaiseError(schannel, channel, data, ctxt, NULL, XML_FROM_IO,
455 XML_IO_LOAD_ERROR, level, NULL, 0,
456 filename, NULL, NULL, 0, 0,
457 msg, filename);
458
459}
460
461/************************************************************************
462 * *
463 * Tree memory error handler *
464 * *
465 ************************************************************************/
475xmlChar *
476xmlNormalizeWindowsPath(const xmlChar *path)
477{
478 return xmlCanonicPath(path);
479}
480
487void
488xmlCleanupInputCallbacks(void)
489{
490 int i;
491
492 if (!xmlInputCallbackInitialized)
493 return;
494
495 for (i = xmlInputCallbackNr - 1; i >= 0; i--) {
496 xmlInputCallbackTable[i].matchcallback = NULL;
497 xmlInputCallbackTable[i].opencallback = NULL;
498 xmlInputCallbackTable[i].readcallback = NULL;
499 xmlInputCallbackTable[i].closecallback = NULL;
500 }
501
502 xmlInputCallbackNr = 0;
503 xmlInputCallbackInitialized = 0;
504}
505
514int
515xmlPopInputCallbacks(void)
516{
517 if (!xmlInputCallbackInitialized)
518 return(-1);
519
520 if (xmlInputCallbackNr <= 0)
521 return(-1);
522
523 xmlInputCallbackNr--;
524 xmlInputCallbackTable[xmlInputCallbackNr].matchcallback = NULL;
525 xmlInputCallbackTable[xmlInputCallbackNr].opencallback = NULL;
526 xmlInputCallbackTable[xmlInputCallbackNr].readcallback = NULL;
527 xmlInputCallbackTable[xmlInputCallbackNr].closecallback = NULL;
528
529 return(xmlInputCallbackNr);
530}
531
532#ifdef LIBXML_OUTPUT_ENABLED
539void
540xmlCleanupOutputCallbacks(void)
541{
542 int i;
543
544 if (!xmlOutputCallbackInitialized)
545 return;
546
547 for (i = xmlOutputCallbackNr - 1; i >= 0; i--) {
548 xmlOutputCallbackTable[i].matchcallback = NULL;
549 xmlOutputCallbackTable[i].opencallback = NULL;
550 xmlOutputCallbackTable[i].writecallback = NULL;
551 xmlOutputCallbackTable[i].closecallback = NULL;
552 }
553
554 xmlOutputCallbackNr = 0;
555 xmlOutputCallbackInitialized = 0;
556}
557
566int
567xmlPopOutputCallbacks(void)
568{
569 if (!xmlOutputCallbackInitialized)
570 return(-1);
571
572 if (xmlOutputCallbackNr <= 0)
573 return(-1);
574
575 xmlOutputCallbackNr--;
576 xmlOutputCallbackTable[xmlOutputCallbackNr].matchcallback = NULL;
577 xmlOutputCallbackTable[xmlOutputCallbackNr].opencallback = NULL;
578 xmlOutputCallbackTable[xmlOutputCallbackNr].writecallback = NULL;
579 xmlOutputCallbackTable[xmlOutputCallbackNr].closecallback = NULL;
580
581 return(xmlOutputCallbackNr);
582}
583
584#endif /* LIBXML_OUTPUT_ENABLED */
585
586/************************************************************************
587 * *
588 * Standard I/O for file accesses *
589 * *
590 ************************************************************************/
591
592#if defined(_WIN32)
593
602static FILE*
603xmlWrapOpenUtf8(const char *path,int mode)
604{
605 FILE *fd = NULL;
606 wchar_t *wPath;
607
608 wPath = __xmlIOWin32UTF8ToWChar(path);
609 if(wPath)
610 {
611 fd = _wfopen(wPath, mode ? L"wb" : L"rb");
612 xmlFree(wPath);
613 }
614 /* maybe path in native encoding */
615 if(fd == NULL)
616 fd = fopen(path, mode ? "wb" : "rb");
617
618 return fd;
619}
620
621#ifdef LIBXML_ZLIB_ENABLED
622static gzFile
623xmlWrapGzOpenUtf8(const char *path, const char *mode)
624{
625 gzFile fd;
626 wchar_t *wPath;
627
628 fd = gzopen (path, mode);
629 if (fd)
630 return fd;
631
632 wPath = __xmlIOWin32UTF8ToWChar(path);
633 if(wPath)
634 {
635 int d, m = (strstr(mode, "r") ? O_RDONLY : O_RDWR);
636#ifdef _O_BINARY
637 m |= (strstr(mode, "b") ? _O_BINARY : 0);
638#endif
639 d = _wopen(wPath, m);
640 if (d >= 0)
641 fd = gzdopen(d, mode);
642 xmlFree(wPath);
643 }
644
645 return fd;
646}
647#endif
648
657static int
658xmlWrapStatUtf8(const char *path, struct _stat *info) {
659 int retval = -1;
660 wchar_t *wPath;
661
662 wPath = __xmlIOWin32UTF8ToWChar(path);
663 if (wPath) {
664 retval = _wstat(wPath, info);
665 xmlFree(wPath);
666 }
667 /* maybe path in native encoding */
668 if(retval < 0)
669 retval = _stat(path, info);
670 return retval;
671}
672
673#endif
674
689int
690xmlCheckFilename (const char *path)
691{
692#ifdef HAVE_STAT
693#if defined(_WIN32)
694 struct _stat stat_buffer;
695#else
696 struct stat stat_buffer;
697#endif
698#endif
699 if (path == NULL)
700 return(0);
701
702#ifdef HAVE_STAT
703#if defined(_WIN32)
704 /*
705 * On Windows stat and wstat do not work with long pathname,
706 * which start with '\\?\'
707 */
708 if ((path[0] == '\\') && (path[1] == '\\') && (path[2] == '?') &&
709 (path[3] == '\\') )
710 return 1;
711
712 if (xmlWrapStatUtf8(path, &stat_buffer) == -1)
713 return 0;
714#else
715 if (stat(path, &stat_buffer) == -1)
716 return 0;
717#endif
718#ifdef S_ISDIR
719 if (S_ISDIR(stat_buffer.st_mode))
720 return 2;
721#endif
722#endif /* HAVE_STAT */
723 return 1;
724}
725
733int
734xmlInputReadCallbackNop(void *context ATTRIBUTE_UNUSED,
735 char *buffer ATTRIBUTE_UNUSED,
736 int len ATTRIBUTE_UNUSED) {
737 return(0);
738}
739
750static int
751xmlFdRead (void * context, char * buffer, int len) {
752 int ret;
753
754 ret = read((int) (ptrdiff_t) context, &buffer[0], len);
755 if (ret < 0) xmlIOErr(0, "read()");
756 return(ret);
757}
758
759#ifdef LIBXML_OUTPUT_ENABLED
770static int
771xmlFdWrite (void * context, const char * buffer, int len) {
772 int ret = 0;
773
774 if (len > 0) {
775 ret = write((int) (ptrdiff_t) context, &buffer[0], len);
776 if (ret < 0) xmlIOErr(0, "write()");
777 }
778 return(ret);
779}
780#endif /* LIBXML_OUTPUT_ENABLED */
781
790static int
791xmlFdClose (void * context) {
792 int ret;
793 ret = close((int) (ptrdiff_t) context);
794 if (ret < 0) xmlIOErr(0, "close()");
795 return(ret);
796}
797
806int
807xmlFileMatch (const char *filename ATTRIBUTE_UNUSED) {
808 return(1);
809}
810
820static void *
821xmlFileOpen_real (const char *filename) {
822 const char *path = filename;
823 FILE *fd;
824
825 if (filename == NULL)
826 return(NULL);
827
828 if (!strcmp(filename, "-")) {
829 fd = stdin;
830 return((void *) fd);
831 }
832
833 if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file://localhost/", 17)) {
834#if defined (_WIN32)
835 path = &filename[17];
836#else
837 path = &filename[16];
838#endif
839 } else if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file:///", 8)) {
840#if defined (_WIN32)
841 path = &filename[8];
842#else
843 path = &filename[7];
844#endif
845 } else if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file:/", 6)) {
846 /* lots of generators seems to lazy to read RFC 1738 */
847#if defined (_WIN32)
848 path = &filename[6];
849#else
850 path = &filename[5];
851#endif
852 }
853
854 /* Do not check DDNAME on zOS ! */
855#if !defined(__MVS__)
856 if (!xmlCheckFilename(path))
857 return(NULL);
858#endif
859
860#if defined(_WIN32)
861 fd = xmlWrapOpenUtf8(path, 0);
862#else
863 fd = fopen(path, "rb");
864#endif /* WIN32 */
865 if (fd == NULL) xmlIOErr(0, path);
866 return((void *) fd);
867}
868
878void *
879xmlFileOpen (const char *filename) {
880 char *unescaped;
881 void *retval;
882
883 retval = xmlFileOpen_real(filename);
884 if (retval == NULL) {
885 unescaped = xmlURIUnescapeString(filename, 0, NULL);
886 if (unescaped != NULL) {
887 retval = xmlFileOpen_real(unescaped);
888 xmlFree(unescaped);
889 }
890 }
891
892 return retval;
893}
894
895#ifdef LIBXML_OUTPUT_ENABLED
905static void *
906xmlFileOpenW (const char *filename) {
907 const char *path = NULL;
908 FILE *fd;
909
910 if (!strcmp(filename, "-")) {
911 fd = stdout;
912 return((void *) fd);
913 }
914
915 if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file://localhost/", 17))
916#if defined (_WIN32)
917 path = &filename[17];
918#else
919 path = &filename[16];
920#endif
921 else if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file:///", 8)) {
922#if defined (_WIN32)
923 path = &filename[8];
924#else
925 path = &filename[7];
926#endif
927 } else
928 path = filename;
929
930 if (path == NULL)
931 return(NULL);
932
933#if defined(_WIN32)
934 fd = xmlWrapOpenUtf8(path, 1);
935#elif(__MVS__)
936 fd = fopen(path, "w");
937#else
938 fd = fopen(path, "wb");
939#endif /* WIN32 */
940
941 if (fd == NULL) xmlIOErr(0, path);
942 return((void *) fd);
943}
944#endif /* LIBXML_OUTPUT_ENABLED */
945
956int
957xmlFileRead (void * context, char * buffer, int len) {
958 int ret;
959 if ((context == NULL) || (buffer == NULL))
960 return(-1);
961 ret = fread(&buffer[0], 1, len, (FILE *) context);
962 if (ret < 0) xmlIOErr(0, "fread()");
963 return(ret);
964}
965
966#ifdef LIBXML_OUTPUT_ENABLED
977static int
978xmlFileWrite (void * context, const char * buffer, int len) {
979 int items;
980
981 if ((context == NULL) || (buffer == NULL))
982 return(-1);
983 items = fwrite(&buffer[0], len, 1, (FILE *) context);
984 if ((items == 0) && (ferror((FILE *) context))) {
985 xmlIOErr(0, "fwrite()");
986 return(-1);
987 }
988 return(items * len);
989}
990#endif /* LIBXML_OUTPUT_ENABLED */
991
1000int
1001xmlFileClose (void * context) {
1002 FILE *fil;
1003 int ret;
1004
1005 if (context == NULL)
1006 return(-1);
1007 fil = (FILE *) context;
1008 if ((fil == stdout) || (fil == stderr)) {
1009 ret = fflush(fil);
1010 if (ret < 0)
1011 xmlIOErr(0, "fflush()");
1012 return(0);
1013 }
1014 if (fil == stdin)
1015 return(0);
1016 ret = ( fclose((FILE *) context) == EOF ) ? -1 : 0;
1017 if (ret < 0)
1018 xmlIOErr(0, "fclose()");
1019 return(ret);
1020}
1021
1028static int
1029xmlFileFlush (void * context) {
1030 int ret;
1031
1032 if (context == NULL)
1033 return(-1);
1034 ret = ( fflush((FILE *) context) == EOF ) ? -1 : 0;
1035 if (ret < 0)
1036 xmlIOErr(0, "fflush()");
1037 return(ret);
1038}
1039
1040#ifdef LIBXML_OUTPUT_ENABLED
1051static int
1052xmlBufferWrite (void * context, const char * buffer, int len) {
1053 int ret;
1054
1055 ret = xmlBufferAdd((xmlBufferPtr) context, (const xmlChar *) buffer, len);
1056 if (ret != 0)
1057 return(-1);
1058 return(len);
1059}
1060#endif
1061
1062#ifdef LIBXML_ZLIB_ENABLED
1063/************************************************************************
1064 * *
1065 * I/O for compressed file accesses *
1066 * *
1067 ************************************************************************/
1076static int
1077xmlGzfileMatch (const char *filename ATTRIBUTE_UNUSED) {
1078 return(1);
1079}
1080
1090static void *
1091xmlGzfileOpen_real (const char *filename) {
1092 const char *path = NULL;
1093 gzFile fd;
1094
1095 if (!strcmp(filename, "-")) {
1096 int duped_fd = dup(fileno(stdin));
1097 fd = gzdopen(duped_fd, "rb");
1098 if (fd == Z_NULL && duped_fd >= 0) {
1099 close(duped_fd); /* gzdOpen() does not close on failure */
1100 }
1101
1102 return((void *) fd);
1103 }
1104
1105 if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file://localhost/", 17))
1106#if defined (_WIN32)
1107 path = &filename[17];
1108#else
1109 path = &filename[16];
1110#endif
1111 else if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file:///", 8)) {
1112#if defined (_WIN32)
1113 path = &filename[8];
1114#else
1115 path = &filename[7];
1116#endif
1117 } else
1118 path = filename;
1119
1120 if (path == NULL)
1121 return(NULL);
1122 if (!xmlCheckFilename(path))
1123 return(NULL);
1124
1125#if defined(_WIN32)
1126 fd = xmlWrapGzOpenUtf8(path, "rb");
1127#else
1128 fd = gzopen(path, "rb");
1129#endif
1130 return((void *) fd);
1131}
1132
1140static void *
1141xmlGzfileOpen (const char *filename) {
1142 char *unescaped;
1143 void *retval;
1144
1145 retval = xmlGzfileOpen_real(filename);
1146 if (retval == NULL) {
1147 unescaped = xmlURIUnescapeString(filename, 0, NULL);
1148 if (unescaped != NULL) {
1149 retval = xmlGzfileOpen_real(unescaped);
1150 }
1151 xmlFree(unescaped);
1152 }
1153 return retval;
1154}
1155
1156#ifdef LIBXML_OUTPUT_ENABLED
1167static void *
1168xmlGzfileOpenW (const char *filename, int compression) {
1169 const char *path = NULL;
1170 char mode[15];
1171 gzFile fd;
1172
1173 snprintf(mode, sizeof(mode), "wb%d", compression);
1174 if (!strcmp(filename, "-")) {
1175 int duped_fd = dup(fileno(stdout));
1176 fd = gzdopen(duped_fd, "rb");
1177 if (fd == Z_NULL && duped_fd >= 0) {
1178 close(duped_fd); /* gzdOpen() does not close on failure */
1179 }
1180
1181 return((void *) fd);
1182 }
1183
1184 if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file://localhost/", 17))
1185#if defined (_WIN32)
1186 path = &filename[17];
1187#else
1188 path = &filename[16];
1189#endif
1190 else if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file:///", 8)) {
1191#if defined (_WIN32)
1192 path = &filename[8];
1193#else
1194 path = &filename[7];
1195#endif
1196 } else
1197 path = filename;
1198
1199 if (path == NULL)
1200 return(NULL);
1201
1202#if defined(_WIN32)
1203 fd = xmlWrapGzOpenUtf8(path, mode);
1204#else
1205 fd = gzopen(path, mode);
1206#endif
1207 return((void *) fd);
1208}
1209#endif /* LIBXML_OUTPUT_ENABLED */
1210
1221static int
1222xmlGzfileRead (void * context, char * buffer, int len) {
1223 int ret;
1224
1225 ret = gzread((gzFile) context, &buffer[0], len);
1226 if (ret < 0) xmlIOErr(0, "gzread()");
1227 return(ret);
1228}
1229
1230#ifdef LIBXML_OUTPUT_ENABLED
1241static int
1242xmlGzfileWrite (void * context, const char * buffer, int len) {
1243 int ret;
1244
1245 ret = gzwrite((gzFile) context, (char *) &buffer[0], len);
1246 if (ret < 0) xmlIOErr(0, "gzwrite()");
1247 return(ret);
1248}
1249#endif /* LIBXML_OUTPUT_ENABLED */
1250
1257static int
1258xmlGzfileClose (void * context) {
1259 int ret;
1260
1261 ret = (gzclose((gzFile) context) == Z_OK ) ? 0 : -1;
1262 if (ret < 0) xmlIOErr(0, "gzclose()");
1263 return(ret);
1264}
1265#endif /* LIBXML_ZLIB_ENABLED */
1266
1267#ifdef LIBXML_LZMA_ENABLED
1268/************************************************************************
1269 * *
1270 * I/O for compressed file accesses *
1271 * *
1272 ************************************************************************/
1273#include "xzlib.h"
1282static int
1283xmlXzfileMatch (const char *filename ATTRIBUTE_UNUSED) {
1284 return(1);
1285}
1286
1296static void *
1297xmlXzfileOpen_real (const char *filename) {
1298 const char *path = NULL;
1299 xzFile fd;
1300
1301 if (!strcmp(filename, "-")) {
1302 fd = __libxml2_xzdopen(dup(fileno(stdin)), "rb");
1303 return((void *) fd);
1304 }
1305
1306 if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file://localhost/", 17)) {
1307 path = &filename[16];
1308 } else if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file:///", 8)) {
1309 path = &filename[7];
1310 } else if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "file:/", 6)) {
1311 /* lots of generators seems to lazy to read RFC 1738 */
1312 path = &filename[5];
1313 } else
1314 path = filename;
1315
1316 if (path == NULL)
1317 return(NULL);
1318 if (!xmlCheckFilename(path))
1319 return(NULL);
1320
1321 fd = __libxml2_xzopen(path, "rb");
1322 return((void *) fd);
1323}
1324
1334static void *
1335xmlXzfileOpen (const char *filename) {
1336 char *unescaped;
1337 void *retval;
1338
1339 retval = xmlXzfileOpen_real(filename);
1340 if (retval == NULL) {
1341 unescaped = xmlURIUnescapeString(filename, 0, NULL);
1342 if (unescaped != NULL) {
1343 retval = xmlXzfileOpen_real(unescaped);
1344 }
1345 xmlFree(unescaped);
1346 }
1347
1348 return retval;
1349}
1350
1361static int
1362xmlXzfileRead (void * context, char * buffer, int len) {
1363 int ret;
1364
1365 ret = __libxml2_xzread((xzFile) context, &buffer[0], len);
1366 if (ret < 0) xmlIOErr(0, "xzread()");
1367 return(ret);
1368}
1369
1376static int
1377xmlXzfileClose (void * context) {
1378 int ret;
1379
1380 ret = (__libxml2_xzclose((xzFile) context) == LZMA_OK ) ? 0 : -1;
1381 if (ret < 0) xmlIOErr(0, "xzclose()");
1382 return(ret);
1383}
1384#endif /* LIBXML_LZMA_ENABLED */
1385
1386#ifdef LIBXML_HTTP_ENABLED
1387/************************************************************************
1388 * *
1389 * I/O for HTTP file accesses *
1390 * *
1391 ************************************************************************/
1392
1393#ifdef LIBXML_OUTPUT_ENABLED
1394typedef struct xmlIOHTTPWriteCtxt_
1395{
1396 int compression;
1397
1398 char * uri;
1399
1400 void * doc_buff;
1401
1402} xmlIOHTTPWriteCtxt, *xmlIOHTTPWriteCtxtPtr;
1403
1404#ifdef LIBXML_ZLIB_ENABLED
1405
1406#define DFLT_WBITS ( -15 )
1407#define DFLT_MEM_LVL ( 8 )
1408#define GZ_MAGIC1 ( 0x1f )
1409#define GZ_MAGIC2 ( 0x8b )
1410#define LXML_ZLIB_OS_CODE ( 0x03 )
1411#define INIT_HTTP_BUFF_SIZE ( 32768 )
1412#define DFLT_ZLIB_RATIO ( 5 )
1413
1414/*
1415** Data structure and functions to work with sending compressed data
1416** via HTTP.
1417*/
1418
1419typedef struct xmlZMemBuff_
1420{
1421 unsigned long size;
1422 unsigned long crc;
1423
1424 unsigned char * zbuff;
1425 z_stream zctrl;
1426
1427} xmlZMemBuff, *xmlZMemBuffPtr;
1428
1437static void
1438append_reverse_ulong( xmlZMemBuff * buff, unsigned long data ) {
1439
1440 int idx;
1441
1442 if ( buff == NULL )
1443 return;
1444
1445 /*
1446 ** This is plagiarized from putLong in gzio.c (zlib source) where
1447 ** the number "4" is hardcoded. If zlib is ever patched to
1448 ** support 64 bit file sizes, this code would need to be patched
1449 ** as well.
1450 */
1451
1452 for ( idx = 0; idx < 4; idx++ ) {
1453 *buff->zctrl.next_out = ( data & 0xff );
1454 data >>= 8;
1455 buff->zctrl.next_out++;
1456 }
1457
1458 return;
1459}
1460
1468static void
1469xmlFreeZMemBuff( xmlZMemBuffPtr buff ) {
1470
1471#ifdef DEBUG_HTTP
1472 int z_err;
1473#endif
1474
1475 if ( buff == NULL )
1476 return;
1477
1478 xmlFree( buff->zbuff );
1479#ifdef DEBUG_HTTP
1480 z_err = deflateEnd( &buff->zctrl );
1481 if ( z_err != Z_OK )
1482 xmlGenericError( xmlGenericErrorContext,
1483 "xmlFreeZMemBuff: Error releasing zlib context: %d\n",
1484 z_err );
1485#else
1486 deflateEnd( &buff->zctrl );
1487#endif
1488
1489 xmlFree( buff );
1490 return;
1491}
1492
1503static void *
1504xmlCreateZMemBuff( int compression ) {
1505
1506 int z_err;
1507 int hdr_lgth;
1508 xmlZMemBuffPtr buff = NULL;
1509
1510 if ( ( compression < 1 ) || ( compression > 9 ) )
1511 return ( NULL );
1512
1513 /* Create the control and data areas */
1514
1515 buff = xmlMalloc( sizeof( xmlZMemBuff ) );
1516 if ( buff == NULL ) {
1517 xmlIOErrMemory("creating buffer context");
1518 return ( NULL );
1519 }
1520
1521 (void)memset( buff, 0, sizeof( xmlZMemBuff ) );
1522 buff->size = INIT_HTTP_BUFF_SIZE;
1523 buff->zbuff = xmlMalloc( buff->size );
1524 if ( buff->zbuff == NULL ) {
1525 xmlFreeZMemBuff( buff );
1526 xmlIOErrMemory("creating buffer");
1527 return ( NULL );
1528 }
1529
1530 z_err = deflateInit2( &buff->zctrl, compression, Z_DEFLATED,
1531 DFLT_WBITS, DFLT_MEM_LVL, Z_DEFAULT_STRATEGY );
1532 if ( z_err != Z_OK ) {
1533 xmlChar msg[500];
1534 xmlFreeZMemBuff( buff );
1535 buff = NULL;
1536 xmlStrPrintf(msg, 500,
1537 "xmlCreateZMemBuff: %s %d\n",
1538 "Error initializing compression context. ZLIB error:",
1539 z_err );
1540 xmlIOErr(XML_IO_WRITE, (const char *) msg);
1541 return ( NULL );
1542 }
1543
1544 /* Set the header data. The CRC will be needed for the trailer */
1545 buff->crc = crc32( 0L, NULL, 0 );
1546 hdr_lgth = snprintf( (char *)buff->zbuff, buff->size,
1547 "%c%c%c%c%c%c%c%c%c%c",
1548 GZ_MAGIC1, GZ_MAGIC2, Z_DEFLATED,
1549 0, 0, 0, 0, 0, 0, LXML_ZLIB_OS_CODE );
1550 buff->zctrl.next_out = buff->zbuff + hdr_lgth;
1551 buff->zctrl.avail_out = buff->size - hdr_lgth;
1552
1553 return ( buff );
1554}
1555
1567static int
1568xmlZMemBuffExtend( xmlZMemBuffPtr buff, size_t ext_amt ) {
1569
1570 int rc = -1;
1571 size_t new_size;
1572 size_t cur_used;
1573
1574 unsigned char * tmp_ptr = NULL;
1575
1576 if ( buff == NULL )
1577 return ( -1 );
1578
1579 else if ( ext_amt == 0 )
1580 return ( 0 );
1581
1582 cur_used = buff->zctrl.next_out - buff->zbuff;
1583 new_size = buff->size + ext_amt;
1584
1585#ifdef DEBUG_HTTP
1586 if ( cur_used > new_size )
1587 xmlGenericError( xmlGenericErrorContext,
1588 "xmlZMemBuffExtend: %s\n%s %d bytes.\n",
1589 "Buffer overwrite detected during compressed memory",
1590 "buffer extension. Overflowed by",
1591 (cur_used - new_size ) );
1592#endif
1593
1594 tmp_ptr = xmlRealloc( buff->zbuff, new_size );
1595 if ( tmp_ptr != NULL ) {
1596 rc = 0;
1597 buff->size = new_size;
1598 buff->zbuff = tmp_ptr;
1599 buff->zctrl.next_out = tmp_ptr + cur_used;
1600 buff->zctrl.avail_out = new_size - cur_used;
1601 }
1602 else {
1603 xmlChar msg[500];
1604 xmlStrPrintf(msg, 500,
1605 "xmlZMemBuffExtend: %s %lu bytes.\n",
1606 "Allocation failure extending output buffer to",
1607 (unsigned long) new_size );
1608 xmlIOErr(XML_IO_WRITE, (const char *) msg);
1609 }
1610
1611 return ( rc );
1612}
1613
1625static int
1626xmlZMemBuffAppend( xmlZMemBuffPtr buff, const char * src, int len ) {
1627
1628 int z_err;
1629 size_t min_accept;
1630
1631 if ( ( buff == NULL ) || ( src == NULL ) )
1632 return ( -1 );
1633
1634 buff->zctrl.avail_in = len;
1635 buff->zctrl.next_in = (unsigned char *)src;
1636 while ( buff->zctrl.avail_in > 0 ) {
1637 /*
1638 ** Extend the buffer prior to deflate call if a reasonable amount
1639 ** of output buffer space is not available.
1640 */
1641 min_accept = buff->zctrl.avail_in / DFLT_ZLIB_RATIO;
1642 if ( buff->zctrl.avail_out <= min_accept ) {
1643 if ( xmlZMemBuffExtend( buff, buff->size ) == -1 )
1644 return ( -1 );
1645 }
1646
1647 z_err = deflate( &buff->zctrl, Z_NO_FLUSH );
1648 if ( z_err != Z_OK ) {
1649 xmlChar msg[500];
1650 xmlStrPrintf(msg, 500,
1651 "xmlZMemBuffAppend: %s %d %s - %d",
1652 "Compression error while appending",
1653 len, "bytes to buffer. ZLIB error", z_err );
1654 xmlIOErr(XML_IO_WRITE, (const char *) msg);
1655 return ( -1 );
1656 }
1657 }
1658
1659 buff->crc = crc32( buff->crc, (unsigned char *)src, len );
1660
1661 return ( len );
1662}
1663
1675static int
1676xmlZMemBuffGetContent( xmlZMemBuffPtr buff, char ** data_ref ) {
1677
1678 int zlgth = -1;
1679 int z_err;
1680
1681 if ( ( buff == NULL ) || ( data_ref == NULL ) )
1682 return ( -1 );
1683
1684 /* Need to loop until compression output buffers are flushed */
1685
1686 do
1687 {
1688 z_err = deflate( &buff->zctrl, Z_FINISH );
1689 if ( z_err == Z_OK ) {
1690 /* In this case Z_OK means more buffer space needed */
1691
1692 if ( xmlZMemBuffExtend( buff, buff->size ) == -1 )
1693 return ( -1 );
1694 }
1695 }
1696 while ( z_err == Z_OK );
1697
1698 /* If the compression state is not Z_STREAM_END, some error occurred */
1699
1700 if ( z_err == Z_STREAM_END ) {
1701
1702 /* Need to append the gzip data trailer */
1703
1704 if ( buff->zctrl.avail_out < ( 2 * sizeof( unsigned long ) ) ) {
1705 if ( xmlZMemBuffExtend(buff, (2 * sizeof(unsigned long))) == -1 )
1706 return ( -1 );
1707 }
1708
1709 /*
1710 ** For whatever reason, the CRC and length data are pushed out
1711 ** in reverse byte order. So a memcpy can't be used here.
1712 */
1713
1714 append_reverse_ulong( buff, buff->crc );
1715 append_reverse_ulong( buff, buff->zctrl.total_in );
1716
1717 zlgth = buff->zctrl.next_out - buff->zbuff;
1718 *data_ref = (char *)buff->zbuff;
1719 }
1720
1721 else {
1722 xmlChar msg[500];
1723 xmlStrPrintf(msg, 500,
1724 "xmlZMemBuffGetContent: %s - %d\n",
1725 "Error flushing zlib buffers. Error code", z_err );
1726 xmlIOErr(XML_IO_WRITE, (const char *) msg);
1727 }
1728
1729 return ( zlgth );
1730}
1731#endif /* LIBXML_OUTPUT_ENABLED */
1732#endif /* LIBXML_ZLIB_ENABLED */
1733
1734#ifdef LIBXML_OUTPUT_ENABLED
1743static void
1744xmlFreeHTTPWriteCtxt( xmlIOHTTPWriteCtxtPtr ctxt )
1745{
1746 if ( ctxt->uri != NULL )
1747 xmlFree( ctxt->uri );
1748
1749 if ( ctxt->doc_buff != NULL ) {
1750
1751#ifdef LIBXML_ZLIB_ENABLED
1752 if ( ctxt->compression > 0 ) {
1753 xmlFreeZMemBuff( ctxt->doc_buff );
1754 }
1755 else
1756#endif
1757 {
1758 xmlOutputBufferClose( ctxt->doc_buff );
1759 }
1760 }
1761
1762 xmlFree( ctxt );
1763 return;
1764}
1765#endif /* LIBXML_OUTPUT_ENABLED */
1766
1767
1776int
1777xmlIOHTTPMatch (const char *filename) {
1778 if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "http://", 7))
1779 return(1);
1780 return(0);
1781}
1782
1791void *
1792xmlIOHTTPOpen (const char *filename) {
1793 return(xmlNanoHTTPOpen(filename, NULL));
1794}
1795
1796#ifdef LIBXML_OUTPUT_ENABLED
1808void *
1809xmlIOHTTPOpenW(const char *post_uri, int compression ATTRIBUTE_UNUSED)
1810{
1811
1812 xmlIOHTTPWriteCtxtPtr ctxt = NULL;
1813
1814 if (post_uri == NULL)
1815 return (NULL);
1816
1817 ctxt = xmlMalloc(sizeof(xmlIOHTTPWriteCtxt));
1818 if (ctxt == NULL) {
1819 xmlIOErrMemory("creating HTTP output context");
1820 return (NULL);
1821 }
1822
1823 (void) memset(ctxt, 0, sizeof(xmlIOHTTPWriteCtxt));
1824
1825 ctxt->uri = (char *) xmlStrdup((const xmlChar *)post_uri);
1826 if (ctxt->uri == NULL) {
1827 xmlIOErrMemory("copying URI");
1828 xmlFreeHTTPWriteCtxt(ctxt);
1829 return (NULL);
1830 }
1831
1832 /*
1833 * ** Since the document length is required for an HTTP post,
1834 * ** need to put the document into a buffer. A memory buffer
1835 * ** is being used to avoid pushing the data to disk and back.
1836 */
1837
1838#ifdef LIBXML_ZLIB_ENABLED
1839 if ((compression > 0) && (compression <= 9)) {
1840
1841 ctxt->compression = compression;
1842 ctxt->doc_buff = xmlCreateZMemBuff(compression);
1843 } else
1844#endif
1845 {
1846 /* Any character conversions should have been done before this */
1847
1848 ctxt->doc_buff = xmlAllocOutputBufferInternal(NULL);
1849 }
1850
1851 if (ctxt->doc_buff == NULL) {
1852 xmlFreeHTTPWriteCtxt(ctxt);
1853 ctxt = NULL;
1854 }
1855
1856 return (ctxt);
1857}
1858#endif /* LIBXML_OUTPUT_ENABLED */
1859
1860#ifdef LIBXML_OUTPUT_ENABLED
1871static void *
1872xmlIOHTTPDfltOpenW( const char * post_uri ) {
1873 return ( xmlIOHTTPOpenW( post_uri, 0 ) );
1874}
1875#endif /* LIBXML_OUTPUT_ENABLED */
1876
1887int
1888xmlIOHTTPRead(void * context, char * buffer, int len) {
1889 if ((buffer == NULL) || (len < 0)) return(-1);
1890 return(xmlNanoHTTPRead(context, &buffer[0], len));
1891}
1892
1893#ifdef LIBXML_OUTPUT_ENABLED
1906static int
1907xmlIOHTTPWrite( void * context, const char * buffer, int len ) {
1908
1909 xmlIOHTTPWriteCtxtPtr ctxt = context;
1910
1911 if ( ( ctxt == NULL ) || ( ctxt->doc_buff == NULL ) || ( buffer == NULL ) )
1912 return ( -1 );
1913
1914 if ( len > 0 ) {
1915
1916 /* Use gzwrite or fwrite as previously setup in the open call */
1917
1918#ifdef LIBXML_ZLIB_ENABLED
1919 if ( ctxt->compression > 0 )
1920 len = xmlZMemBuffAppend( ctxt->doc_buff, buffer, len );
1921
1922 else
1923#endif
1924 len = xmlOutputBufferWrite( ctxt->doc_buff, len, buffer );
1925
1926 if ( len < 0 ) {
1927 xmlChar msg[500];
1928 xmlStrPrintf(msg, 500,
1929 "xmlIOHTTPWrite: %s\n%s '%s'.\n",
1930 "Error appending to internal buffer.",
1931 "Error sending document to URI",
1932 ctxt->uri );
1933 xmlIOErr(XML_IO_WRITE, (const char *) msg);
1934 }
1935 }
1936
1937 return ( len );
1938}
1939#endif /* LIBXML_OUTPUT_ENABLED */
1940
1941
1950int
1951xmlIOHTTPClose (void * context) {
1952 xmlNanoHTTPClose(context);
1953 return 0;
1954}
1955
1956#ifdef LIBXML_OUTPUT_ENABLED
1964static int
1965xmlIOHTTPCloseWrite( void * context, const char * http_mthd ) {
1966
1967 int close_rc = -1;
1968 int http_rtn = 0;
1969 int content_lgth = 0;
1970 xmlIOHTTPWriteCtxtPtr ctxt = context;
1971
1972 char * http_content = NULL;
1973 char * content_encoding = NULL;
1974 char * content_type = (char *) "text/xml";
1975 void * http_ctxt = NULL;
1976
1977 if ( ( ctxt == NULL ) || ( http_mthd == NULL ) )
1978 return ( -1 );
1979
1980 /* Retrieve the content from the appropriate buffer */
1981
1982#ifdef LIBXML_ZLIB_ENABLED
1983
1984 if ( ctxt->compression > 0 ) {
1985 content_lgth = xmlZMemBuffGetContent( ctxt->doc_buff, &http_content );
1986 content_encoding = (char *) "Content-Encoding: gzip";
1987 }
1988 else
1989#endif
1990 {
1991 /* Pull the data out of the memory output buffer */
1992
1993 xmlOutputBufferPtr dctxt = ctxt->doc_buff;
1994 http_content = (char *) xmlBufContent(dctxt->buffer);
1995 content_lgth = xmlBufUse(dctxt->buffer);
1996 }
1997
1998 if ( http_content == NULL ) {
1999 xmlChar msg[500];
2000 xmlStrPrintf(msg, 500,
2001 "xmlIOHTTPCloseWrite: %s '%s' %s '%s'.\n",
2002 "Error retrieving content.\nUnable to",
2003 http_mthd, "data to URI", ctxt->uri );
2004 xmlIOErr(XML_IO_WRITE, (const char *) msg);
2005 }
2006
2007 else {
2008
2009 http_ctxt = xmlNanoHTTPMethod( ctxt->uri, http_mthd, http_content,
2010 &content_type, content_encoding,
2011 content_lgth );
2012
2013 if ( http_ctxt != NULL ) {
2014#ifdef DEBUG_HTTP
2015 /* If testing/debugging - dump reply with request content */
2016
2017 FILE * tst_file = NULL;
2018 char buffer[ 4096 ];
2019 char * dump_name = NULL;
2020 int avail;
2021
2022 xmlGenericError( xmlGenericErrorContext,
2023 "xmlNanoHTTPCloseWrite: HTTP %s to\n%s returned %d.\n",
2024 http_mthd, ctxt->uri,
2025 xmlNanoHTTPReturnCode( http_ctxt ) );
2026
2027 /*
2028 ** Since either content or reply may be gzipped,
2029 ** dump them to separate files instead of the
2030 ** standard error context.
2031 */
2032
2033 dump_name = tempnam( NULL, "lxml" );
2034 if ( dump_name != NULL ) {
2035 (void)snprintf( buffer, sizeof(buffer), "%s.content", dump_name );
2036
2037 tst_file = fopen( buffer, "wb" );
2038 if ( tst_file != NULL ) {
2039 xmlGenericError( xmlGenericErrorContext,
2040 "Transmitted content saved in file: %s\n", buffer );
2041
2042 fwrite( http_content, sizeof( char ),
2043 content_lgth, tst_file );
2044 fclose( tst_file );
2045 }
2046
2047 (void)snprintf( buffer, sizeof(buffer), "%s.reply", dump_name );
2048 tst_file = fopen( buffer, "wb" );
2049 if ( tst_file != NULL ) {
2050 xmlGenericError( xmlGenericErrorContext,
2051 "Reply content saved in file: %s\n", buffer );
2052
2053
2054 while ( (avail = xmlNanoHTTPRead( http_ctxt,
2055 buffer, sizeof( buffer ) )) > 0 ) {
2056
2057 fwrite( buffer, sizeof( char ), avail, tst_file );
2058 }
2059
2060 fclose( tst_file );
2061 }
2062
2063 free( dump_name );
2064 }
2065#endif /* DEBUG_HTTP */
2066
2067 http_rtn = xmlNanoHTTPReturnCode( http_ctxt );
2068 if ( ( http_rtn >= 200 ) && ( http_rtn < 300 ) )
2069 close_rc = 0;
2070 else {
2071 xmlChar msg[500];
2072 xmlStrPrintf(msg, 500,
2073 "xmlIOHTTPCloseWrite: HTTP '%s' of %d %s\n'%s' %s %d\n",
2074 http_mthd, content_lgth,
2075 "bytes to URI", ctxt->uri,
2076 "failed. HTTP return code:", http_rtn );
2077 xmlIOErr(XML_IO_WRITE, (const char *) msg);
2078 }
2079
2080 xmlNanoHTTPClose( http_ctxt );
2081 xmlFree( content_type );
2082 }
2083 }
2084
2085 /* Final cleanups */
2086
2087 xmlFreeHTTPWriteCtxt( ctxt );
2088
2089 return ( close_rc );
2090}
2091
2100static int
2101xmlIOHTTPClosePut( void * ctxt ) {
2102 return ( xmlIOHTTPCloseWrite( ctxt, "PUT" ) );
2103}
2104
2105
2114static int
2115xmlIOHTTPClosePost( void * ctxt ) {
2116 return ( xmlIOHTTPCloseWrite( ctxt, "POST" ) );
2117}
2118#endif /* LIBXML_OUTPUT_ENABLED */
2119
2120#endif /* LIBXML_HTTP_ENABLED */
2121
2122#ifdef LIBXML_FTP_ENABLED
2123/************************************************************************
2124 * *
2125 * I/O for FTP file accesses *
2126 * *
2127 ************************************************************************/
2136int
2137xmlIOFTPMatch (const char *filename) {
2138 if (!xmlStrncasecmp(BAD_CAST filename, BAD_CAST "ftp://", 6))
2139 return(1);
2140 return(0);
2141}
2142
2151void *
2152xmlIOFTPOpen (const char *filename) {
2153 return(xmlNanoFTPOpen(filename));
2154}
2155
2166int
2167xmlIOFTPRead(void * context, char * buffer, int len) {
2168 if ((buffer == NULL) || (len < 0)) return(-1);
2169 return(xmlNanoFTPRead(context, &buffer[0], len));
2170}
2171
2180int
2181xmlIOFTPClose (void * context) {
2182 return ( xmlNanoFTPClose(context) );
2183}
2184#endif /* LIBXML_FTP_ENABLED */
2185
2186
2198int
2199xmlRegisterInputCallbacks(xmlInputMatchCallback matchFunc,
2200 xmlInputOpenCallback openFunc, xmlInputReadCallback readFunc,
2201 xmlInputCloseCallback closeFunc) {
2202 if (xmlInputCallbackNr >= MAX_INPUT_CALLBACK) {
2203 return(-1);
2204 }
2205 xmlInputCallbackTable[xmlInputCallbackNr].matchcallback = matchFunc;
2206 xmlInputCallbackTable[xmlInputCallbackNr].opencallback = openFunc;
2207 xmlInputCallbackTable[xmlInputCallbackNr].readcallback = readFunc;
2208 xmlInputCallbackTable[xmlInputCallbackNr].closecallback = closeFunc;
2209 xmlInputCallbackInitialized = 1;
2210 return(xmlInputCallbackNr++);
2211}
2212
2213#ifdef LIBXML_OUTPUT_ENABLED
2225int
2226xmlRegisterOutputCallbacks(xmlOutputMatchCallback matchFunc,
2227 xmlOutputOpenCallback openFunc, xmlOutputWriteCallback writeFunc,
2228 xmlOutputCloseCallback closeFunc) {
2229 if (xmlOutputCallbackNr >= MAX_OUTPUT_CALLBACK) {
2230 return(-1);
2231 }
2232 xmlOutputCallbackTable[xmlOutputCallbackNr].matchcallback = matchFunc;
2233 xmlOutputCallbackTable[xmlOutputCallbackNr].opencallback = openFunc;
2234 xmlOutputCallbackTable[xmlOutputCallbackNr].writecallback = writeFunc;
2235 xmlOutputCallbackTable[xmlOutputCallbackNr].closecallback = closeFunc;
2236 xmlOutputCallbackInitialized = 1;
2237 return(xmlOutputCallbackNr++);
2238}
2239#endif /* LIBXML_OUTPUT_ENABLED */
2240
2246void
2247xmlRegisterDefaultInputCallbacks(void) {
2248 if (xmlInputCallbackInitialized)
2249 return;
2250
2251 xmlRegisterInputCallbacks(xmlFileMatch, xmlFileOpen,
2252 xmlFileRead, xmlFileClose);
2253#ifdef LIBXML_ZLIB_ENABLED
2254 xmlRegisterInputCallbacks(xmlGzfileMatch, xmlGzfileOpen,
2255 xmlGzfileRead, xmlGzfileClose);
2256#endif /* LIBXML_ZLIB_ENABLED */
2257#ifdef LIBXML_LZMA_ENABLED
2258 xmlRegisterInputCallbacks(xmlXzfileMatch, xmlXzfileOpen,
2259 xmlXzfileRead, xmlXzfileClose);
2260#endif /* LIBXML_LZMA_ENABLED */
2261
2262#ifdef LIBXML_HTTP_ENABLED
2263 xmlRegisterInputCallbacks(xmlIOHTTPMatch, xmlIOHTTPOpen,
2264 xmlIOHTTPRead, xmlIOHTTPClose);
2265#endif /* LIBXML_HTTP_ENABLED */
2266
2267#ifdef LIBXML_FTP_ENABLED
2268 xmlRegisterInputCallbacks(xmlIOFTPMatch, xmlIOFTPOpen,
2269 xmlIOFTPRead, xmlIOFTPClose);
2270#endif /* LIBXML_FTP_ENABLED */
2271 xmlInputCallbackInitialized = 1;
2272}
2273
2274#ifdef LIBXML_OUTPUT_ENABLED
2280void
2281xmlRegisterDefaultOutputCallbacks (void) {
2282 if (xmlOutputCallbackInitialized)
2283 return;
2284
2285 xmlRegisterOutputCallbacks(xmlFileMatch, xmlFileOpenW,
2286 xmlFileWrite, xmlFileClose);
2287
2288#ifdef LIBXML_HTTP_ENABLED
2289 xmlRegisterOutputCallbacks(xmlIOHTTPMatch, xmlIOHTTPDfltOpenW,
2290 xmlIOHTTPWrite, xmlIOHTTPClosePut);
2291#endif
2292
2293/*********************************
2294 No way a-priori to distinguish between gzipped files from
2295 uncompressed ones except opening if existing then closing
2296 and saving with same compression ratio ... a pain.
2297
2298#ifdef LIBXML_ZLIB_ENABLED
2299 xmlRegisterOutputCallbacks(xmlGzfileMatch, xmlGzfileOpen,
2300 xmlGzfileWrite, xmlGzfileClose);
2301#endif
2302
2303 Nor FTP PUT ....
2304#ifdef LIBXML_FTP_ENABLED
2305 xmlRegisterOutputCallbacks(xmlIOFTPMatch, xmlIOFTPOpen,
2306 xmlIOFTPWrite, xmlIOFTPClose);
2307#endif
2308 **********************************/
2309 xmlOutputCallbackInitialized = 1;
2310}
2311
2312#ifdef LIBXML_HTTP_ENABLED
2321void
2322xmlRegisterHTTPPostCallbacks( void ) {
2323
2324 /* Register defaults if not done previously */
2325
2326 if ( xmlOutputCallbackInitialized == 0 )
2327 xmlRegisterDefaultOutputCallbacks( );
2328
2329 xmlRegisterOutputCallbacks(xmlIOHTTPMatch, xmlIOHTTPDfltOpenW,
2330 xmlIOHTTPWrite, xmlIOHTTPClosePost);
2331 return;
2332}
2333#endif
2334#endif /* LIBXML_OUTPUT_ENABLED */
2335
2344xmlParserInputBufferPtr
2345xmlAllocParserInputBuffer(xmlCharEncoding enc) {
2346 xmlParserInputBufferPtr ret;
2347
2348 ret = (xmlParserInputBufferPtr) xmlMalloc(sizeof(xmlParserInputBuffer));
2349 if (ret == NULL) {
2350 xmlIOErrMemory("creating input buffer");
2351 return(NULL);
2352 }
2353 memset(ret, 0, (size_t) sizeof(xmlParserInputBuffer));
2354 ret->buffer = xmlBufCreateSize(2 * xmlDefaultBufferSize);
2355 if (ret->buffer == NULL) {
2356 xmlFree(ret);
2357 return(NULL);
2358 }
2359 xmlBufSetAllocationScheme(ret->buffer, XML_BUFFER_ALLOC_DOUBLEIT);
2360 ret->encoder = xmlGetCharEncodingHandler(enc);
2361 if (ret->encoder != NULL)
2362 ret->raw = xmlBufCreateSize(2 * xmlDefaultBufferSize);
2363 else
2364 ret->raw = NULL;
2365 ret->readcallback = NULL;
2366 ret->closecallback = NULL;
2367 ret->context = NULL;
2368 ret->compressed = -1;
2369 ret->rawconsumed = 0;
2370
2371 return(ret);
2372}
2373
2374#ifdef LIBXML_OUTPUT_ENABLED
2383xmlOutputBufferPtr
2384xmlAllocOutputBuffer(xmlCharEncodingHandlerPtr encoder) {
2385 xmlOutputBufferPtr ret;
2386
2387 ret = (xmlOutputBufferPtr) xmlMalloc(sizeof(xmlOutputBuffer));
2388 if (ret == NULL) {
2389 xmlIOErrMemory("creating output buffer");
2390 return(NULL);
2391 }
2392 memset(ret, 0, (size_t) sizeof(xmlOutputBuffer));
2393 ret->buffer = xmlBufCreate();
2394 if (ret->buffer == NULL) {
2395 xmlFree(ret);
2396 return(NULL);
2397 }
2398 xmlBufSetAllocationScheme(ret->buffer, XML_BUFFER_ALLOC_DOUBLEIT);
2399
2400 ret->encoder = encoder;
2401 if (encoder != NULL) {
2402 ret->conv = xmlBufCreateSize(4000);
2403 if (ret->conv == NULL) {
2404 xmlBufFree(ret->buffer);
2405 xmlFree(ret);
2406 return(NULL);
2407 }
2408
2409 /*
2410 * This call is designed to initiate the encoder state
2411 */
2412 xmlCharEncOutput(ret, 1);
2413 } else
2414 ret->conv = NULL;
2415 ret->writecallback = NULL;
2416 ret->closecallback = NULL;
2417 ret->context = NULL;
2418 ret->written = 0;
2419
2420 return(ret);
2421}
2422
2431xmlOutputBufferPtr
2432xmlAllocOutputBufferInternal(xmlCharEncodingHandlerPtr encoder) {
2433 xmlOutputBufferPtr ret;
2434
2435 ret = (xmlOutputBufferPtr) xmlMalloc(sizeof(xmlOutputBuffer));
2436 if (ret == NULL) {
2437 xmlIOErrMemory("creating output buffer");
2438 return(NULL);
2439 }
2440 memset(ret, 0, (size_t) sizeof(xmlOutputBuffer));
2441 ret->buffer = xmlBufCreate();
2442 if (ret->buffer == NULL) {
2443 xmlFree(ret);
2444 return(NULL);
2445 }
2446
2447
2448 /*
2449 * For conversion buffers we use the special IO handling
2450 */
2451 xmlBufSetAllocationScheme(ret->buffer, XML_BUFFER_ALLOC_IO);
2452
2453 ret->encoder = encoder;
2454 if (encoder != NULL) {
2455 ret->conv = xmlBufCreateSize(4000);
2456 if (ret->conv == NULL) {
2457 xmlBufFree(ret->buffer);
2458 xmlFree(ret);
2459 return(NULL);
2460 }
2461
2462 /*
2463 * This call is designed to initiate the encoder state
2464 */
2465 xmlCharEncOutput(ret, 1);
2466 } else
2467 ret->conv = NULL;
2468 ret->writecallback = NULL;
2469 ret->closecallback = NULL;
2470 ret->context = NULL;
2471 ret->written = 0;
2472
2473 return(ret);
2474}
2475
2476#endif /* LIBXML_OUTPUT_ENABLED */
2477
2484void
2485xmlFreeParserInputBuffer(xmlParserInputBufferPtr in) {
2486 if (in == NULL) return;
2487
2488 if (in->raw) {
2489 xmlBufFree(in->raw);
2490 in->raw = NULL;
2491 }
2492 if (in->encoder != NULL) {
2493 xmlCharEncCloseFunc(in->encoder);
2494 }
2495 if (in->closecallback != NULL) {
2496 in->closecallback(in->context);
2497 }
2498 if (in->buffer != NULL) {
2499 xmlBufFree(in->buffer);
2500 in->buffer = NULL;
2501 }
2502
2503 xmlFree(in);
2504}
2505
2506#ifdef LIBXML_OUTPUT_ENABLED
2516int
2517xmlOutputBufferClose(xmlOutputBufferPtr out)
2518{
2519 int written;
2520 int err_rc = 0;
2521
2522 if (out == NULL)
2523 return (-1);
2524 if (out->writecallback != NULL)
2525 xmlOutputBufferFlush(out);
2526 if (out->closecallback != NULL) {
2527 err_rc = out->closecallback(out->context);
2528 }
2529 written = out->written;
2530 if (out->conv) {
2531 xmlBufFree(out->conv);
2532 out->conv = NULL;
2533 }
2534 if (out->encoder != NULL) {
2535 xmlCharEncCloseFunc(out->encoder);
2536 }
2537 if (out->buffer != NULL) {
2538 xmlBufFree(out->buffer);
2539 out->buffer = NULL;
2540 }
2541
2542 if (out->error)
2543 err_rc = -1;
2544 xmlFree(out);
2545 return ((err_rc == 0) ? written : err_rc);
2546}
2547#endif /* LIBXML_OUTPUT_ENABLED */
2548
2549xmlParserInputBufferPtr
2550__xmlParserInputBufferCreateFilename(const char *URI, xmlCharEncoding enc) {
2551 xmlParserInputBufferPtr ret;
2552 int i = 0;
2553 void *context = NULL;
2554
2555 if (xmlInputCallbackInitialized == 0)
2556 xmlRegisterDefaultInputCallbacks();
2557
2558 if (URI == NULL) return(NULL);
2559
2560 /*
2561 * Try to find one of the input accept method accepting that scheme
2562 * Go in reverse to give precedence to user defined handlers.
2563 */
2564 if (context == NULL) {
2565 for (i = xmlInputCallbackNr - 1;i >= 0;i--) {
2566 if ((xmlInputCallbackTable[i].matchcallback != NULL) &&
2567 (xmlInputCallbackTable[i].matchcallback(URI) != 0)) {
2568 context = xmlInputCallbackTable[i].opencallback(URI);
2569 if (context != NULL) {
2570 break;
2571 }
2572 }
2573 }
2574 }
2575 if (context == NULL) {
2576 return(NULL);
2577 }
2578
2579 /*
2580 * Allocate the Input buffer front-end.
2581 */
2582 ret = xmlAllocParserInputBuffer(enc);
2583 if (ret != NULL) {
2584 ret->context = context;
2585 ret->readcallback = xmlInputCallbackTable[i].readcallback;
2586 ret->closecallback = xmlInputCallbackTable[i].closecallback;
2587#ifdef LIBXML_ZLIB_ENABLED
2588 if ((xmlInputCallbackTable[i].opencallback == xmlGzfileOpen) &&
2589 (strcmp(URI, "-") != 0)) {
2590#if defined(ZLIB_VERNUM) && ZLIB_VERNUM >= 0x1230
2591 ret->compressed = !gzdirect(context);
2592#else
2593 if (((z_stream *)context)->avail_in > 4) {
2594 char *cptr, buff4[4];
2595 cptr = (char *) ((z_stream *)context)->next_in;
2596 if (gzread(context, buff4, 4) == 4) {
2597 if (strncmp(buff4, cptr, 4) == 0)
2598 ret->compressed = 0;
2599 else
2600 ret->compressed = 1;
2601 gzrewind(context);
2602 }
2603 }
2604#endif
2605 }
2606#endif
2607#ifdef LIBXML_LZMA_ENABLED
2608 if ((xmlInputCallbackTable[i].opencallback == xmlXzfileOpen) &&
2609 (strcmp(URI, "-") != 0)) {
2610 ret->compressed = __libxml2_xzcompressed(context);
2611 }
2612#endif
2613 }
2614 else
2615 xmlInputCallbackTable[i].closecallback (context);
2616
2617 return(ret);
2618}
2619
2633xmlParserInputBufferPtr
2634xmlParserInputBufferCreateFilename(const char *URI, xmlCharEncoding enc) {
2635 if ((xmlParserInputBufferCreateFilenameValue)) {
2636 return xmlParserInputBufferCreateFilenameValue(URI, enc);
2637 }
2638 return __xmlParserInputBufferCreateFilename(URI, enc);
2639}
2640
2641#ifdef LIBXML_OUTPUT_ENABLED
2642xmlOutputBufferPtr
2643__xmlOutputBufferCreateFilename(const char *URI,
2644 xmlCharEncodingHandlerPtr encoder,
2645 int compression ATTRIBUTE_UNUSED) {
2646 xmlOutputBufferPtr ret;
2647 xmlURIPtr puri;
2648 int i = 0;
2649 void *context = NULL;
2650 char *unescaped = NULL;
2651#ifdef LIBXML_ZLIB_ENABLED
2652 int is_file_uri = 1;
2653#endif
2654
2655 if (xmlOutputCallbackInitialized == 0)
2656 xmlRegisterDefaultOutputCallbacks();
2657
2658 if (URI == NULL) return(NULL);
2659
2660 puri = xmlParseURI(URI);
2661 if (puri != NULL) {
2662#ifdef LIBXML_ZLIB_ENABLED
2663 if ((puri->scheme != NULL) &&
2664 (!xmlStrEqual(BAD_CAST puri->scheme, BAD_CAST "file")))
2665 is_file_uri = 0;
2666#endif
2667 /*
2668 * try to limit the damages of the URI unescaping code.
2669 */
2670 if ((puri->scheme == NULL) ||
2671 (xmlStrEqual(BAD_CAST puri->scheme, BAD_CAST "file")))
2672 unescaped = xmlURIUnescapeString(URI, 0, NULL);
2673 xmlFreeURI(puri);
2674 }
2675
2676 /*
2677 * Try to find one of the output accept method accepting that scheme
2678 * Go in reverse to give precedence to user defined handlers.
2679 * try with an unescaped version of the URI
2680 */
2681 if (unescaped != NULL) {
2682#ifdef LIBXML_ZLIB_ENABLED
2683 if ((compression > 0) && (compression <= 9) && (is_file_uri == 1)) {
2684 context = xmlGzfileOpenW(unescaped, compression);
2685 if (context != NULL) {
2686 ret = xmlAllocOutputBufferInternal(encoder);
2687 if (ret != NULL) {
2688 ret->context = context;
2689 ret->writecallback = xmlGzfileWrite;
2690 ret->closecallback = xmlGzfileClose;
2691 }
2692 xmlFree(unescaped);
2693 return(ret);
2694 }
2695 }
2696#endif
2697 for (i = xmlOutputCallbackNr - 1;i >= 0;i--) {
2698 if ((xmlOutputCallbackTable[i].matchcallback != NULL) &&
2699 (xmlOutputCallbackTable[i].matchcallback(unescaped) != 0)) {
2700#if defined(LIBXML_HTTP_ENABLED) && defined(LIBXML_ZLIB_ENABLED)
2701 /* Need to pass compression parameter into HTTP open calls */
2702 if (xmlOutputCallbackTable[i].matchcallback == xmlIOHTTPMatch)
2703 context = xmlIOHTTPOpenW(unescaped, compression);
2704 else
2705#endif
2706 context = xmlOutputCallbackTable[i].opencallback(unescaped);
2707 if (context != NULL)
2708 break;
2709 }
2710 }
2711 xmlFree(unescaped);
2712 }
2713
2714 /*
2715 * If this failed try with a non-escaped URI this may be a strange
2716 * filename
2717 */
2718 if (context == NULL) {
2719#ifdef LIBXML_ZLIB_ENABLED
2720 if ((compression > 0) && (compression <= 9) && (is_file_uri == 1)) {
2721 context = xmlGzfileOpenW(URI, compression);
2722 if (context != NULL) {
2723 ret = xmlAllocOutputBufferInternal(encoder);
2724 if (ret != NULL) {
2725 ret->context = context;
2726 ret->writecallback = xmlGzfileWrite;
2727 ret->closecallback = xmlGzfileClose;
2728 }
2729 else
2730 xmlGzfileClose(context);
2731 return(ret);
2732 }
2733 }
2734#endif
2735 for (i = xmlOutputCallbackNr - 1;i >= 0;i--) {
2736 if ((xmlOutputCallbackTable[i].matchcallback != NULL) &&
2737 (xmlOutputCallbackTable[i].matchcallback(URI) != 0)) {
2738#if defined(LIBXML_HTTP_ENABLED) && defined(LIBXML_ZLIB_ENABLED)
2739 /* Need to pass compression parameter into HTTP open calls */
2740 if (xmlOutputCallbackTable[i].matchcallback == xmlIOHTTPMatch)
2741 context = xmlIOHTTPOpenW(URI, compression);
2742 else
2743#endif
2744 context = xmlOutputCallbackTable[i].opencallback(URI);
2745 if (context != NULL)
2746 break;
2747 }
2748 }
2749 }
2750
2751 if (context == NULL) {
2752 return(NULL);
2753 }
2754
2755 /*
2756 * Allocate the Output buffer front-end.
2757 */
2758 ret = xmlAllocOutputBufferInternal(encoder);
2759 if (ret != NULL) {
2760 ret->context = context;
2761 ret->writecallback = xmlOutputCallbackTable[i].writecallback;
2762 ret->closecallback = xmlOutputCallbackTable[i].closecallback;
2763 }
2764 return(ret);
2765}
2766
2782xmlOutputBufferPtr
2783xmlOutputBufferCreateFilename(const char *URI,
2784 xmlCharEncodingHandlerPtr encoder,
2785 int compression ATTRIBUTE_UNUSED) {
2786 if ((xmlOutputBufferCreateFilenameValue)) {
2787 return xmlOutputBufferCreateFilenameValue(URI, encoder, compression);
2788 }
2789 return __xmlOutputBufferCreateFilename(URI, encoder, compression);
2790}
2791#endif /* LIBXML_OUTPUT_ENABLED */
2792
2803xmlParserInputBufferPtr
2804xmlParserInputBufferCreateFile(FILE *file, xmlCharEncoding enc) {
2805 xmlParserInputBufferPtr ret;
2806
2807 if (xmlInputCallbackInitialized == 0)
2808 xmlRegisterDefaultInputCallbacks();
2809
2810 if (file == NULL) return(NULL);
2811
2812 ret = xmlAllocParserInputBuffer(enc);
2813 if (ret != NULL) {
2814 ret->context = file;
2815 ret->readcallback = xmlFileRead;
2816 ret->closecallback = xmlFileFlush;
2817 }
2818
2819 return(ret);
2820}
2821
2822#ifdef LIBXML_OUTPUT_ENABLED
2833xmlOutputBufferPtr
2834xmlOutputBufferCreateFile(FILE *file, xmlCharEncodingHandlerPtr encoder) {
2835 xmlOutputBufferPtr ret;
2836
2837 if (xmlOutputCallbackInitialized == 0)
2838 xmlRegisterDefaultOutputCallbacks();
2839
2840 if (file == NULL) return(NULL);
2841
2842 ret = xmlAllocOutputBufferInternal(encoder);
2843 if (ret != NULL) {
2844 ret->context = file;
2845 ret->writecallback = xmlFileWrite;
2846 ret->closecallback = xmlFileFlush;
2847 }
2848
2849 return(ret);
2850}
2851
2861xmlOutputBufferPtr
2862xmlOutputBufferCreateBuffer(xmlBufferPtr buffer,
2863 xmlCharEncodingHandlerPtr encoder) {
2864 xmlOutputBufferPtr ret;
2865
2866 if (buffer == NULL) return(NULL);
2867
2868 ret = xmlOutputBufferCreateIO(xmlBufferWrite, NULL, (void *) buffer,
2869 encoder);
2870
2871 return(ret);
2872}
2873
2882const xmlChar *
2883xmlOutputBufferGetContent(xmlOutputBufferPtr out) {
2884 if ((out == NULL) || (out->buffer == NULL))
2885 return(NULL);
2886
2887 return(xmlBufContent(out->buffer));
2888}
2889
2898size_t
2899xmlOutputBufferGetSize(xmlOutputBufferPtr out) {
2900 if ((out == NULL) || (out->buffer == NULL))
2901 return(0);
2902
2903 return(xmlBufUse(out->buffer));
2904}
2905
2906
2907#endif /* LIBXML_OUTPUT_ENABLED */
2908
2919xmlParserInputBufferPtr
2920xmlParserInputBufferCreateFd(int fd, xmlCharEncoding enc) {
2921 xmlParserInputBufferPtr ret;
2922
2923 if (fd < 0) return(NULL);
2924
2925 ret = xmlAllocParserInputBuffer(enc);
2926 if (ret != NULL) {
2927 ret->context = (void *) (ptrdiff_t) fd;
2928 ret->readcallback = xmlFdRead;
2929 ret->closecallback = xmlFdClose;
2930 }
2931
2932 return(ret);
2933}
2934
2946xmlParserInputBufferPtr
2947xmlParserInputBufferCreateMem(const char *mem, int size, xmlCharEncoding enc) {
2948 xmlParserInputBufferPtr ret;
2949 int errcode;
2950
2951 if (size < 0) return(NULL);
2952 if (mem == NULL) return(NULL);
2953
2954 ret = xmlAllocParserInputBuffer(enc);
2955 if (ret != NULL) {
2956 ret->context = (void *) mem;
2957 ret->readcallback = xmlInputReadCallbackNop;
2958 ret->closecallback = NULL;
2959 errcode = xmlBufAdd(ret->buffer, (const xmlChar *) mem, size);
2960 if (errcode != 0) {
2961 xmlFree(ret);
2962 return(NULL);
2963 }
2964 }
2965
2966 return(ret);
2967}
2968
2982xmlParserInputBufferPtr
2983xmlParserInputBufferCreateStatic(const char *mem, int size,
2984 xmlCharEncoding enc) {
2985 xmlParserInputBufferPtr ret;
2986
2987 if (size < 0) return(NULL);
2988 if (mem == NULL) return(NULL);
2989
2990 ret = (xmlParserInputBufferPtr) xmlMalloc(sizeof(xmlParserInputBuffer));
2991 if (ret == NULL) {
2992 xmlIOErrMemory("creating input buffer");
2993 return(NULL);
2994 }
2995 memset(ret, 0, (size_t) sizeof(xmlParserInputBuffer));
2996 ret->buffer = xmlBufCreateStatic((void *)mem, (size_t) size);
2997 if (ret->buffer == NULL) {
2998 xmlFree(ret);
2999 return(NULL);
3000 }
3001 ret->encoder = xmlGetCharEncodingHandler(enc);
3002 if (ret->encoder != NULL)
3003 ret->raw = xmlBufCreateSize(2 * xmlDefaultBufferSize);
3004 else
3005 ret->raw = NULL;
3006 ret->compressed = -1;
3007 ret->context = (void *) mem;
3008 ret->readcallback = NULL;
3009 ret->closecallback = NULL;
3010
3011 return(ret);
3012}
3013
3014#ifdef LIBXML_OUTPUT_ENABLED
3025xmlOutputBufferPtr
3026xmlOutputBufferCreateFd(int fd, xmlCharEncodingHandlerPtr encoder) {
3027 xmlOutputBufferPtr ret;
3028
3029 if (fd < 0) return(NULL);
3030
3031 ret = xmlAllocOutputBufferInternal(encoder);
3032 if (ret != NULL) {
3033 ret->context = (void *) (ptrdiff_t) fd;
3034 ret->writecallback = xmlFdWrite;
3035 ret->closecallback = NULL;
3036 }
3037
3038 return(ret);
3039}
3040#endif /* LIBXML_OUTPUT_ENABLED */
3041
3054xmlParserInputBufferPtr
3055xmlParserInputBufferCreateIO(xmlInputReadCallback ioread,
3056 xmlInputCloseCallback ioclose, void *ioctx, xmlCharEncoding enc) {
3057 xmlParserInputBufferPtr ret;
3058
3059 if (ioread == NULL) return(NULL);
3060
3061 ret = xmlAllocParserInputBuffer(enc);
3062 if (ret != NULL) {
3063 ret->context = (void *) ioctx;
3064 ret->readcallback = ioread;
3065 ret->closecallback = ioclose;
3066 }
3067
3068 return(ret);
3069}
3070
3071#ifdef LIBXML_OUTPUT_ENABLED
3084xmlOutputBufferPtr
3085xmlOutputBufferCreateIO(xmlOutputWriteCallback iowrite,
3086 xmlOutputCloseCallback ioclose, void *ioctx,
3087 xmlCharEncodingHandlerPtr encoder) {
3088 xmlOutputBufferPtr ret;
3089
3090 if (iowrite == NULL) return(NULL);
3091
3092 ret = xmlAllocOutputBufferInternal(encoder);
3093 if (ret != NULL) {
3094 ret->context = (void *) ioctx;
3095 ret->writecallback = iowrite;
3096 ret->closecallback = ioclose;
3097 }
3098
3099 return(ret);
3100}
3101#endif /* LIBXML_OUTPUT_ENABLED */
3102
3111xmlParserInputBufferCreateFilenameFunc
3112xmlParserInputBufferCreateFilenameDefault(xmlParserInputBufferCreateFilenameFunc func)
3113{
3114 xmlParserInputBufferCreateFilenameFunc old = xmlParserInputBufferCreateFilenameValue;
3115 if (old == NULL) {
3116 old = __xmlParserInputBufferCreateFilename;
3117 }
3118
3119 xmlParserInputBufferCreateFilenameValue = func;
3120 return(old);
3121}
3122
3131xmlOutputBufferCreateFilenameFunc
3132xmlOutputBufferCreateFilenameDefault(xmlOutputBufferCreateFilenameFunc func)
3133{
3134 xmlOutputBufferCreateFilenameFunc old = xmlOutputBufferCreateFilenameValue;
3135#ifdef LIBXML_OUTPUT_ENABLED
3136 if (old == NULL) {
3137 old = __xmlOutputBufferCreateFilename;
3138 }
3139#endif
3140 xmlOutputBufferCreateFilenameValue = func;
3141 return(old);
3142}
3143
3157int
3158xmlParserInputBufferPush(xmlParserInputBufferPtr in,
3159 int len, const char *buf) {
3160 int nbchars = 0;
3161 int ret;
3162
3163 if (len < 0) return(0);
3164 if ((in == NULL) || (in->error)) return(-1);
3165 if (in->encoder != NULL) {
3166 unsigned int use;
3167
3168 /*
3169 * Store the data in the incoming raw buffer
3170 */
3171 if (in->raw == NULL) {
3172 in->raw = xmlBufCreate();
3173 }
3174 ret = xmlBufAdd(in->raw, (const xmlChar *) buf, len);
3175 if (ret != 0)
3176 return(-1);
3177
3178 /*
3179 * convert as much as possible to the parser reading buffer.
3180 */
3181 use = xmlBufUse(in->raw);
3182 nbchars = xmlCharEncInput(in, 1);
3183 if (nbchars < 0) {
3184 xmlIOErr(XML_IO_ENCODER, NULL);
3185 in->error = XML_IO_ENCODER;
3186 return(-1);
3187 }
3188 in->rawconsumed += (use - xmlBufUse(in->raw));
3189 } else {
3190 nbchars = len;
3191 ret = xmlBufAdd(in->buffer, (xmlChar *) buf, nbchars);
3192 if (ret != 0)
3193 return(-1);
3194 }
3195#ifdef DEBUG_INPUT
3196 xmlGenericError(xmlGenericErrorContext,
3197 "I/O: pushed %d chars, buffer %d/%d\n",
3198 nbchars, xmlBufUse(in->buffer), xmlBufLength(in->buffer));
3199#endif
3200 return(nbchars);
3201}
3202
3209static int
3210endOfInput (void * context ATTRIBUTE_UNUSED,
3211 char * buffer ATTRIBUTE_UNUSED,
3212 int len ATTRIBUTE_UNUSED) {
3213 return(0);
3214}
3215
3231int
3232xmlParserInputBufferGrow(xmlParserInputBufferPtr in, int len) {
3233 char *buffer = NULL;
3234 int res = 0;
3235 int nbchars = 0;
3236
3237 if ((in == NULL) || (in->error)) return(-1);
3238 if ((len <= MINLEN) && (len != 4))
3239 len = MINLEN;
3240
3241 if (xmlBufAvail(in->buffer) <= 0) {
3242 xmlIOErr(XML_IO_BUFFER_FULL, NULL);
3243 in->error = XML_IO_BUFFER_FULL;
3244 return(-1);
3245 }
3246
3247 if (xmlBufGrow(in->buffer, len + 1) < 0) {
3248 xmlIOErrMemory("growing input buffer");
3249 in->error = XML_ERR_NO_MEMORY;
3250 return(-1);
3251 }
3252 buffer = (char *)xmlBufEnd(in->buffer);
3253
3254 /*
3255 * Call the read method for this I/O type.
3256 */
3257 if (in->readcallback != NULL) {
3258 res = in->readcallback(in->context, &buffer[0], len);
3259 if (res <= 0)
3260 in->readcallback = endOfInput;
3261 } else {
3262 xmlIOErr(XML_IO_NO_INPUT, NULL);
3263 in->error = XML_IO_NO_INPUT;
3264 return(-1);
3265 }
3266 if (res < 0) {
3267 return(-1);
3268 }
3269
3270 /*
3271 * try to establish compressed status of input if not done already
3272 */
3273 if (in->compressed == -1) {
3274#ifdef LIBXML_LZMA_ENABLED
3275 if (in->readcallback == xmlXzfileRead)
3276 in->compressed = __libxml2_xzcompressed(in->context);
3277#endif
3278 }
3279
3280 len = res;
3281 if (in->encoder != NULL) {
3282 unsigned int use;
3283
3284 /*
3285 * Store the data in the incoming raw buffer
3286 */
3287 if (in->raw == NULL) {
3288 in->raw = xmlBufCreate();
3289 }
3290 res = xmlBufAdd(in->raw, (const xmlChar *) buffer, len);
3291 if (res != 0)
3292 return(-1);
3293
3294 /*
3295 * convert as much as possible to the parser reading buffer.
3296 */
3297 use = xmlBufUse(in->raw);
3298 nbchars = xmlCharEncInput(in, 1);
3299 if (nbchars < 0) {
3300 xmlIOErr(XML_IO_ENCODER, NULL);
3301 in->error = XML_IO_ENCODER;
3302 return(-1);
3303 }
3304 in->rawconsumed += (use - xmlBufUse(in->raw));
3305 } else {
3306 nbchars = len;
3307 xmlBufAddLen(in->buffer, nbchars);
3308 }
3309#ifdef DEBUG_INPUT
3310 xmlGenericError(xmlGenericErrorContext,
3311 "I/O: read %d chars, buffer %d\n",
3312 nbchars, xmlBufUse(in->buffer));
3313#endif
3314 return(nbchars);
3315}
3316
3329int
3330xmlParserInputBufferRead(xmlParserInputBufferPtr in, int len) {
3331 if ((in == NULL) || (in->error)) return(-1);
3332 if (in->readcallback != NULL)
3333 return(xmlParserInputBufferGrow(in, len));
3334 else if (xmlBufGetAllocationScheme(in->buffer) == XML_BUFFER_ALLOC_IMMUTABLE)
3335 return(0);
3336 else
3337 return(-1);
3338}
3339
3340#ifdef LIBXML_OUTPUT_ENABLED
3355int
3356xmlOutputBufferWrite(xmlOutputBufferPtr out, int len, const char *buf) {
3357 int nbchars = 0; /* number of chars to output to I/O */
3358 int ret; /* return from function call */
3359 int written = 0; /* number of char written to I/O so far */
3360 int chunk; /* number of byte current processed from buf */
3361
3362 if ((out == NULL) || (out->error)) return(-1);
3363 if (len < 0) return(0);
3364 if (out->error) return(-1);
3365
3366 do {
3367 chunk = len;
3368 if (chunk > 4 * MINLEN)
3369 chunk = 4 * MINLEN;
3370
3371 /*
3372 * first handle encoding stuff.
3373 */
3374 if (out->encoder != NULL) {
3375 /*
3376 * Store the data in the incoming raw buffer
3377 */
3378 if (out->conv == NULL) {
3379 out->conv = xmlBufCreate();
3380 }
3381 ret = xmlBufAdd(out->buffer, (const xmlChar *) buf, chunk);
3382 if (ret != 0)
3383 return(-1);
3384
3385 if ((xmlBufUse(out->buffer) < MINLEN) && (chunk == len))
3386 goto done;
3387
3388 /*
3389 * convert as much as possible to the parser reading buffer.
3390 */
3391 ret = xmlCharEncOutput(out, 0);
3392 if ((ret < 0) && (ret != -3)) {
3393 xmlIOErr(XML_IO_ENCODER, NULL);
3394 out->error = XML_IO_ENCODER;
3395 return(-1);
3396 }
3397 if (out->writecallback)
3398 nbchars = xmlBufUse(out->conv);
3399 else
3400 nbchars = ret >= 0 ? ret : 0;
3401 } else {
3402 ret = xmlBufAdd(out->buffer, (const xmlChar *) buf, chunk);
3403 if (ret != 0)
3404 return(-1);
3405 if (out->writecallback)
3406 nbchars = xmlBufUse(out->buffer);
3407 else
3408 nbchars = chunk;
3409 }
3410 buf += chunk;
3411 len -= chunk;
3412
3413 if (out->writecallback) {
3414 if ((nbchars < MINLEN) && (len <= 0))
3415 goto done;
3416
3417 /*
3418 * second write the stuff to the I/O channel
3419 */
3420 if (out->encoder != NULL) {
3421 ret = out->writecallback(out->context,
3422 (const char *)xmlBufContent(out->conv), nbchars);
3423 if (ret >= 0)
3424 xmlBufShrink(out->conv, ret);
3425 } else {
3426 ret = out->writecallback(out->context,
3427 (const char *)xmlBufContent(out->buffer), nbchars);
3428 if (ret >= 0)
3429 xmlBufShrink(out->buffer, ret);
3430 }
3431 if (ret < 0) {
3432 xmlIOErr(XML_IO_WRITE, NULL);
3433 out->error = XML_IO_WRITE;
3434 return(ret);
3435 }
3436 if (out->written > INT_MAX - ret)
3437 out->written = INT_MAX;
3438 else
3439 out->written += ret;
3440 }
3441 written += nbchars;
3442 } while (len > 0);
3443
3444done:
3445#ifdef DEBUG_INPUT
3446 xmlGenericError(xmlGenericErrorContext,
3447 "I/O: wrote %d chars\n", written);
3448#endif
3449 return(written);
3450}
3451
3465static int
3466xmlEscapeContent(unsigned char* out, int *outlen,
3467 const xmlChar* in, int *inlen) {
3468 unsigned char* outstart = out;
3469 const unsigned char* base = in;
3470 unsigned char* outend = out + *outlen;
3471 const unsigned char* inend;
3472
3473 inend = in + (*inlen);
3474
3475 while ((in < inend) && (out < outend)) {
3476 if (*in == '<') {
3477 if (outend - out < 4) break;
3478 *out++ = '&';
3479 *out++ = 'l';
3480 *out++ = 't';
3481 *out++ = ';';
3482 } else if (*in == '>') {
3483 if (outend - out < 4) break;
3484 *out++ = '&';
3485 *out++ = 'g';
3486 *out++ = 't';
3487 *out++ = ';';
3488 } else if (*in == '&') {
3489 if (outend - out < 5) break;
3490 *out++ = '&';
3491 *out++ = 'a';
3492 *out++ = 'm';
3493 *out++ = 'p';
3494 *out++ = ';';
3495 } else if (*in == '\r') {
3496 if (outend - out < 5) break;
3497 *out++ = '&';
3498 *out++ = '#';
3499 *out++ = '1';
3500 *out++ = '3';
3501 *out++ = ';';
3502 } else {
3503 *out++ = (unsigned char) *in;
3504 }
3505 ++in;
3506 }
3507 *outlen = out - outstart;
3508 *inlen = in - base;
3509 return(0);
3510}
3511
3527int
3528xmlOutputBufferWriteEscape(xmlOutputBufferPtr out, const xmlChar *str,
3529 xmlCharEncodingOutputFunc escaping) {
3530 int nbchars = 0; /* number of chars to output to I/O */
3531 int ret; /* return from function call */
3532 int written = 0; /* number of char written to I/O so far */
3533 int oldwritten=0;/* loop guard */
3534 int chunk; /* number of byte currently processed from str */
3535 int len; /* number of bytes in str */
3536 int cons; /* byte from str consumed */
3537
3538 if ((out == NULL) || (out->error) || (str == NULL) ||
3539 (out->buffer == NULL) ||
3540 (xmlBufGetAllocationScheme(out->buffer) == XML_BUFFER_ALLOC_IMMUTABLE))
3541 return(-1);
3542 len = strlen((const char *)str);
3543 if (len < 0) return(0);
3544 if (out->error) return(-1);
3545 if (escaping == NULL) escaping = xmlEscapeContent;
3546
3547 do {
3548 oldwritten = written;
3549
3550 /*
3551 * how many bytes to consume and how many bytes to store.
3552 */
3553 cons = len;
3554 chunk = xmlBufAvail(out->buffer);
3555
3556 /*
3557 * make sure we have enough room to save first, if this is
3558 * not the case force a flush, but make sure we stay in the loop
3559 */
3560 if (chunk < 40) {
3561 if (xmlBufGrow(out->buffer, 100) < 0)
3562 return(-1);
3563 oldwritten = -1;
3564 continue;
3565 }
3566
3567 /*
3568 * first handle encoding stuff.
3569 */
3570 if (out->encoder != NULL) {
3571 /*
3572 * Store the data in the incoming raw buffer
3573 */
3574 if (out->conv == NULL) {
3575 out->conv = xmlBufCreate();
3576 }
3577 ret = escaping(xmlBufEnd(out->buffer) ,
3578 &chunk, str, &cons);
3579 if ((ret < 0) || (chunk == 0)) /* chunk==0 => nothing done */
3580 return(-1);
3581 xmlBufAddLen(out->buffer, chunk);
3582
3583 if ((xmlBufUse(out->buffer) < MINLEN) && (cons == len))
3584 goto done;
3585
3586 /*
3587 * convert as much as possible to the output buffer.
3588 */
3589 ret = xmlCharEncOutput(out, 0);
3590 if ((ret < 0) && (ret != -3)) {
3591 xmlIOErr(XML_IO_ENCODER, NULL);
3592 out->error = XML_IO_ENCODER;
3593 return(-1);
3594 }
3595 if (out->writecallback)
3596 nbchars = xmlBufUse(out->conv);
3597 else
3598 nbchars = ret >= 0 ? ret : 0;
3599 } else {
3600 ret = escaping(xmlBufEnd(out->buffer), &chunk, str, &cons);
3601 if ((ret < 0) || (chunk == 0)) /* chunk==0 => nothing done */
3602 return(-1);
3603 xmlBufAddLen(out->buffer, chunk);
3604 if (out->writecallback)
3605 nbchars = xmlBufUse(out->buffer);
3606 else
3607 nbchars = chunk;
3608 }
3609 str += cons;
3610 len -= cons;
3611
3612 if (out->writecallback) {
3613 if ((nbchars < MINLEN) && (len <= 0))
3614 goto done;
3615
3616 /*
3617 * second write the stuff to the I/O channel
3618 */
3619 if (out->encoder != NULL) {
3620 ret = out->writecallback(out->context,
3621 (const char *)xmlBufContent(out->conv), nbchars);
3622 if (ret >= 0)
3623 xmlBufShrink(out->conv, ret);
3624 } else {
3625 ret = out->writecallback(out->context,
3626 (const char *)xmlBufContent(out->buffer), nbchars);
3627 if (ret >= 0)
3628 xmlBufShrink(out->buffer, ret);
3629 }
3630 if (ret < 0) {
3631 xmlIOErr(XML_IO_WRITE, NULL);
3632 out->error = XML_IO_WRITE;
3633 return(ret);
3634 }
3635 if (out->written > INT_MAX - ret)
3636 out->written = INT_MAX;
3637 else
3638 out->written += ret;
3639 } else if (xmlBufAvail(out->buffer) < MINLEN) {
3640 xmlBufGrow(out->buffer, MINLEN);
3641 }
3642 written += nbchars;
3643 } while ((len > 0) && (oldwritten != written));
3644
3645done:
3646#ifdef DEBUG_INPUT
3647 xmlGenericError(xmlGenericErrorContext,
3648 "I/O: wrote %d chars\n", written);
3649#endif
3650 return(written);
3651}
3652
3666int
3667xmlOutputBufferWriteString(xmlOutputBufferPtr out, const char *str) {
3668 int len;
3669
3670 if ((out == NULL) || (out->error)) return(-1);
3671 if (str == NULL)
3672 return(-1);
3673 len = strlen(str);
3674
3675 if (len > 0)
3676 return(xmlOutputBufferWrite(out, len, str));
3677 return(len);
3678}
3679
3688int
3689xmlOutputBufferFlush(xmlOutputBufferPtr out) {
3690 int nbchars = 0, ret = 0;
3691
3692 if ((out == NULL) || (out->error)) return(-1);
3693 /*
3694 * first handle encoding stuff.
3695 */
3696 if ((out->conv != NULL) && (out->encoder != NULL)) {
3697 /*
3698 * convert as much as possible to the parser output buffer.
3699 */
3700 do {
3701 nbchars = xmlCharEncOutput(out, 0);
3702 if (nbchars < 0) {
3703 xmlIOErr(XML_IO_ENCODER, NULL);
3704 out->error = XML_IO_ENCODER;
3705 return(-1);
3706 }
3707 } while (nbchars);
3708 }
3709
3710 /*
3711 * second flush the stuff to the I/O channel
3712 */
3713 if ((out->conv != NULL) && (out->encoder != NULL) &&
3714 (out->writecallback != NULL)) {
3715 ret = out->writecallback(out->context,
3716 (const char *)xmlBufContent(out->conv),
3717 xmlBufUse(out->conv));
3718 if (ret >= 0)
3719 xmlBufShrink(out->conv, ret);
3720 } else if (out->writecallback != NULL) {
3721 ret = out->writecallback(out->context,
3722 (const char *)xmlBufContent(out->buffer),
3723 xmlBufUse(out->buffer));
3724 if (ret >= 0)
3725 xmlBufShrink(out->buffer, ret);
3726 }
3727 if (ret < 0) {
3728 xmlIOErr(XML_IO_FLUSH, NULL);
3729 out->error = XML_IO_FLUSH;
3730 return(ret);
3731 }
3732 if (out->written > INT_MAX - ret)
3733 out->written = INT_MAX;
3734 else
3735 out->written += ret;
3736
3737#ifdef DEBUG_INPUT
3738 xmlGenericError(xmlGenericErrorContext,
3739 "I/O: flushed %d chars\n", ret);
3740#endif
3741 return(ret);
3742}
3743#endif /* LIBXML_OUTPUT_ENABLED */
3744
3753char *
3754xmlParserGetDirectory(const char *filename) {
3755 char *ret = NULL;
3756 char dir[1024];
3757 char *cur;
3758
3759 if (xmlInputCallbackInitialized == 0)
3760 xmlRegisterDefaultInputCallbacks();
3761
3762 if (filename == NULL) return(NULL);
3763
3764#if defined(_WIN32)
3765# define IS_XMLPGD_SEP(ch) ((ch=='/')||(ch=='\\'))
3766#else
3767# define IS_XMLPGD_SEP(ch) (ch=='/')
3768#endif
3769
3770 strncpy(dir, filename, 1023);
3771 dir[1023] = 0;
3772 cur = &dir[strlen(dir)];
3773 while (cur > dir) {
3774 if (IS_XMLPGD_SEP(*cur)) break;
3775 cur --;
3776 }
3777 if (IS_XMLPGD_SEP(*cur)) {
3778 if (cur == dir) dir[1] = 0;
3779 else *cur = 0;
3780 ret = xmlMemStrdup(dir);
3781 } else {
3782 if (getcwd(dir, 1024) != NULL) {
3783 dir[1023] = 0;
3784 ret = xmlMemStrdup(dir);
3785 }
3786 }
3787 return(ret);
3788#undef IS_XMLPGD_SEP
3789}
3790
3791/****************************************************************
3792 * *
3793 * External entities loading *
3794 * *
3795 ****************************************************************/
3796
3809xmlParserInputPtr
3810xmlCheckHTTPInput(xmlParserCtxtPtr ctxt, xmlParserInputPtr ret) {
3811 /* Avoid unused variable warning if features are disabled. */
3812 (void) ctxt;
3813
3814#ifdef LIBXML_HTTP_ENABLED
3815 if ((ret != NULL) && (ret->buf != NULL) &&
3816 (ret->buf->readcallback == xmlIOHTTPRead) &&
3817 (ret->buf->context != NULL)) {
3818 const char *encoding;
3819 const char *redir;
3820 const char *mime;
3821 int code;
3822
3823 code = xmlNanoHTTPReturnCode(ret->buf->context);
3824 if (code >= 400) {
3825 /* fatal error */
3826 if (ret->filename != NULL)
3827 __xmlLoaderErr(ctxt, "failed to load HTTP resource \"%s\"\n",
3828 (const char *) ret->filename);
3829 else
3830 __xmlLoaderErr(ctxt, "failed to load HTTP resource\n", NULL);
3831 xmlFreeInputStream(ret);
3832 ret = NULL;
3833 } else {
3834
3835 mime = xmlNanoHTTPMimeType(ret->buf->context);
3836 if ((xmlStrstr(BAD_CAST mime, BAD_CAST "/xml")) ||
3837 (xmlStrstr(BAD_CAST mime, BAD_CAST "+xml"))) {
3838 encoding = xmlNanoHTTPEncoding(ret->buf->context);
3839 if (encoding != NULL) {
3840 xmlCharEncodingHandlerPtr handler;
3841
3842 handler = xmlFindCharEncodingHandler(encoding);
3843 if (handler != NULL) {
3844 xmlSwitchInputEncoding(ctxt, ret, handler);
3845 } else {
3846 __xmlErrEncoding(ctxt, XML_ERR_UNKNOWN_ENCODING,
3847 "Unknown encoding %s",
3848 BAD_CAST encoding, NULL);
3849 }
3850 if (ret->encoding == NULL)
3851 ret->encoding = xmlStrdup(BAD_CAST encoding);
3852 }
3853#if 0
3854 } else if (xmlStrstr(BAD_CAST mime, BAD_CAST "html")) {
3855#endif
3856 }
3857 redir = xmlNanoHTTPRedir(ret->buf->context);
3858 if (redir != NULL) {
3859 if (ret->filename != NULL)
3860 xmlFree((xmlChar *) ret->filename);
3861 if (ret->directory != NULL) {
3862 xmlFree((xmlChar *) ret->directory);
3863 ret->directory = NULL;
3864 }
3865 ret->filename =
3866 (char *) xmlStrdup((const xmlChar *) redir);
3867 }
3868 }
3869 }
3870#endif
3871 return(ret);
3872}
3873
3874static int xmlNoNetExists(const char *URL) {
3875 const char *path;
3876
3877 if (URL == NULL)
3878 return(0);
3879
3880 if (!xmlStrncasecmp(BAD_CAST URL, BAD_CAST "file://localhost/", 17))
3881#if defined (_WIN32)
3882 path = &URL[17];
3883#else
3884 path = &URL[16];
3885#endif
3886 else if (!xmlStrncasecmp(BAD_CAST URL, BAD_CAST "file:///", 8)) {
3887#if defined (_WIN32)
3888 path = &URL[8];
3889#else
3890 path = &URL[7];
3891#endif
3892 } else
3893 path = URL;
3894
3895 return xmlCheckFilename(path);
3896}
3897
3898#ifdef LIBXML_CATALOG_ENABLED
3899
3912static xmlChar *
3913xmlResolveResourceFromCatalog(const char *URL, const char *ID,
3914 xmlParserCtxtPtr ctxt) {
3915 xmlChar *resource = NULL;
3916 xmlCatalogAllow pref;
3917
3918 /*
3919 * If the resource doesn't exists as a file,
3920 * try to load it from the resource pointed in the catalogs
3921 */
3922 pref = xmlCatalogGetDefaults();
3923
3924 if ((pref != XML_CATA_ALLOW_NONE) && (!xmlNoNetExists(URL))) {
3925 /*
3926 * Do a local lookup
3927 */
3928 if ((ctxt != NULL) && (ctxt->catalogs != NULL) &&
3929 ((pref == XML_CATA_ALLOW_ALL) ||
3930 (pref == XML_CATA_ALLOW_DOCUMENT))) {
3931 resource = xmlCatalogLocalResolve(ctxt->catalogs,
3932 (const xmlChar *)ID,
3933 (const xmlChar *)URL);
3934 }
3935 /*
3936 * Try a global lookup
3937 */
3938 if ((resource == NULL) &&
3939 ((pref == XML_CATA_ALLOW_ALL) ||
3940 (pref == XML_CATA_ALLOW_GLOBAL))) {
3941 resource = xmlCatalogResolve((const xmlChar *)ID,
3942 (const xmlChar *)URL);
3943 }
3944 if ((resource == NULL) && (URL != NULL))
3945 resource = xmlStrdup((const xmlChar *) URL);
3946
3947 /*
3948 * TODO: do an URI lookup on the reference
3949 */
3950 if ((resource != NULL) && (!xmlNoNetExists((const char *)resource))) {
3951 xmlChar *tmp = NULL;
3952
3953 if ((ctxt != NULL) && (ctxt->catalogs != NULL) &&
3954 ((pref == XML_CATA_ALLOW_ALL) ||
3955 (pref == XML_CATA_ALLOW_DOCUMENT))) {
3956 tmp = xmlCatalogLocalResolveURI(ctxt->catalogs, resource);
3957 }
3958 if ((tmp == NULL) &&
3959 ((pref == XML_CATA_ALLOW_ALL) ||
3960 (pref == XML_CATA_ALLOW_GLOBAL))) {
3961 tmp = xmlCatalogResolveURI(resource);
3962 }
3963
3964 if (tmp != NULL) {
3965 xmlFree(resource);
3966 resource = tmp;
3967 }
3968 }
3969 }
3970
3971 return resource;
3972}
3973
3974#endif
3975
3986static xmlParserInputPtr
3987xmlDefaultExternalEntityLoader(const char *URL, const char *ID,
3988 xmlParserCtxtPtr ctxt)
3989{
3990 xmlParserInputPtr ret = NULL;
3991 xmlChar *resource = NULL;
3992
3993#ifdef DEBUG_EXTERNAL_ENTITIES
3994 xmlGenericError(xmlGenericErrorContext,
3995 "xmlDefaultExternalEntityLoader(%s, xxx)\n", URL);
3996#endif
3997 if ((ctxt != NULL) && (ctxt->options & XML_PARSE_NONET)) {
3998 int options = ctxt->options;
3999
4000 ctxt->options -= XML_PARSE_NONET;
4001 ret = xmlNoNetExternalEntityLoader(URL, ID, ctxt);
4002 ctxt->options = options;
4003 return(ret);
4004 }
4005#ifdef LIBXML_CATALOG_ENABLED
4006 resource = xmlResolveResourceFromCatalog(URL, ID, ctxt);
4007#endif
4008
4009 if (resource == NULL)
4010 resource = (xmlChar *) URL;
4011
4012 if (resource == NULL) {
4013 if (ID == NULL)
4014 ID = "NULL";
4015 __xmlLoaderErr(ctxt, "failed to load external entity \"%s\"\n", ID);
4016 return (NULL);
4017 }
4018 ret = xmlNewInputFromFile(ctxt, (const char *) resource);
4019 if ((resource != NULL) && (resource != (xmlChar *) URL))
4020 xmlFree(resource);
4021 return (ret);
4022}
4023
4024static xmlExternalEntityLoader xmlCurrentExternalEntityLoader =
4025 xmlDefaultExternalEntityLoader;
4026
4033void
4034xmlSetExternalEntityLoader(xmlExternalEntityLoader f) {
4035 xmlCurrentExternalEntityLoader = f;
4036}
4037
4045xmlExternalEntityLoader
4046xmlGetExternalEntityLoader(void) {
4047 return(xmlCurrentExternalEntityLoader);
4048}
4049
4061xmlParserInputPtr
4062xmlLoadExternalEntity(const char *URL, const char *ID,
4063 xmlParserCtxtPtr ctxt) {
4064 if ((URL != NULL) && (xmlNoNetExists(URL) == 0)) {
4065 char *canonicFilename;
4066 xmlParserInputPtr ret;
4067
4068 canonicFilename = (char *) xmlCanonicPath((const xmlChar *) URL);
4069 if (canonicFilename == NULL) {
4070 xmlIOErrMemory("building canonical path\n");
4071 return(NULL);
4072 }
4073
4074 ret = xmlCurrentExternalEntityLoader(canonicFilename, ID, ctxt);
4075 xmlFree(canonicFilename);
4076 return(ret);
4077 }
4078 return(xmlCurrentExternalEntityLoader(URL, ID, ctxt));
4079}
4080
4081/************************************************************************
4082 * *
4083 * Disabling Network access *
4084 * *
4085 ************************************************************************/
4086
4098xmlParserInputPtr
4099xmlNoNetExternalEntityLoader(const char *URL, const char *ID,
4100 xmlParserCtxtPtr ctxt) {
4101 xmlParserInputPtr input = NULL;
4102 xmlChar *resource = NULL;
4103
4104#ifdef LIBXML_CATALOG_ENABLED
4105 resource = xmlResolveResourceFromCatalog(URL, ID, ctxt);
4106#endif
4107
4108 if (resource == NULL)
4109 resource = (xmlChar *) URL;
4110
4111 if (resource != NULL) {
4112 if ((!xmlStrncasecmp(BAD_CAST resource, BAD_CAST "ftp://", 6)) ||
4113 (!xmlStrncasecmp(BAD_CAST resource, BAD_CAST "http://", 7))) {
4114 xmlIOErr(XML_IO_NETWORK_ATTEMPT, (const char *) resource);
4115 if (resource != (xmlChar *) URL)
4116 xmlFree(resource);
4117 return(NULL);
4118 }
4119 }
4120 input = xmlDefaultExternalEntityLoader((const char *) resource, ID, ctxt);
4121 if (resource != (xmlChar *) URL)
4122 xmlFree(resource);
4123 return(input);
4124}
4125
ENOENT
#define ENOENT
Definition: acclib.h:79
EEXIST
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Definition: acclib.h:88
EINVAL
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Definition: acclib.h:90
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int strcmp(const char *String1, const char *String2)
Definition: utclib.c:469
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Definition: acclib.h:86
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Definition: acclib.h:80
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Definition: acclib.h:91
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Definition: acclib.h:84
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Definition: acclib.h:81
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Definition: utclib.c:269
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Definition: acclib.h:87
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Definition: utclib.c:534
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Definition: acclib.h:92
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Definition: acclib.h:89
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Definition: acclib.h:85
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xmlOutputBufferCreateFilenameDefault
XMLPUBFUN xmlOutputBufferCreateFilenameFunc XMLCALL xmlOutputBufferCreateFilenameDefault(xmlOutputBufferCreateFilenameFunc func)
xmlParserInputBufferCreateFilenameDefault
XMLPUBFUN xmlParserInputBufferCreateFilenameFunc XMLCALL xmlParserInputBufferCreateFilenameDefault(xmlParserInputBufferCreateFilenameFunc func)
xmlParserInputBufferCreateFilenameFunc
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xmlOutputBufferCreateFilenameValue
XMLPUBVAR xmlOutputBufferCreateFilenameFunc xmlOutputBufferCreateFilenameValue
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xmlMemStrdup
XMLPUBVAR xmlStrdupFunc xmlMemStrdup
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XMLPUBVAR xmlParserInputBufferCreateFilenameFunc xmlParserInputBufferCreateFilenameValue
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xmlMalloc
XMLPUBVAR xmlMallocFunc xmlMalloc
Definition: globals.h:248
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XMLPUBVAR int xmlDefaultBufferSize
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xmlFree
XMLPUBVAR xmlFreeFunc xmlFree
Definition: globals.h:251
xmlGenericErrorContext
XMLPUBVAR void * xmlGenericErrorContext
Definition: globals.h:353
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XMLPUBVAR xmlReallocFunc xmlRealloc
Definition: globals.h:250
xmlGenericError
XMLPUBVAR xmlGenericErrorFunc xmlGenericError
Definition: globals.h:337
XML_PARSER_EOF
@ XML_PARSER_EOF
Definition: parser.h:111
XML_PARSE_NONET
@ XML_PARSE_NONET
Definition: parser.h:1104
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XMLPUBFUN xmlExternalEntityLoader XMLCALL xmlGetExternalEntityLoader(void)
xmlSetExternalEntityLoader
XMLPUBFUN void XMLCALL xmlSetExternalEntityLoader(xmlExternalEntityLoader f)
XML_SAX2_MAGIC
#define XML_SAX2_MAGIC
Definition: parser.h:671
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XMLPUBFUN xmlParserInputPtr XMLCALL xmlLoadExternalEntity(const char *URL, const char *ID, xmlParserCtxtPtr ctxt)
xmlExternalEntityLoader
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Definition: parser.h:802
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XMLPUBFUN xmlChar *XMLCALL xmlBufEnd(xmlBufPtr buf)
Definition: buf.c:571
xmlBufferAdd
XMLPUBFUN int XMLCALL xmlBufferAdd(xmlBufferPtr buf, const xmlChar *str, int len)
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Definition: tree.h:32
xmlBufUse
XMLPUBFUN size_t XMLCALL xmlBufUse(const xmlBufPtr buf)
Definition: buf.c:633
xmlOutputBuffer
struct _xmlOutputBuffer xmlOutputBuffer
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xmlBufShrink
XMLPUBFUN size_t XMLCALL xmlBufShrink(xmlBufPtr buf, size_t len)
Definition: buf.c:381
XML_BUFFER_ALLOC_IMMUTABLE
@ XML_BUFFER_ALLOC_IMMUTABLE
Definition: tree.h:77
XML_BUFFER_ALLOC_IO
@ XML_BUFFER_ALLOC_IO
Definition: tree.h:78
XML_BUFFER_ALLOC_DOUBLEIT
@ XML_BUFFER_ALLOC_DOUBLEIT
Definition: tree.h:75
xmlParserCtxtPtr
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Definition: tree.h:39
xmlParserInputBufferPtr
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Definition: tree.h:29
xmlBufContent
XMLPUBFUN xmlChar *XMLCALL xmlBufContent(const xmlBuf *buf)
Definition: buf.c:553
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#define deflateInit2(strm, level, method, windowBits, memLevel, strategy)
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static int fd
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Definition: stat.h:40
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Definition: tree.h:91
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Definition: encoding.h:131
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Definition: xmlIO.c:90
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Definition: xmlIO.c:91
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_xmlParserCtxt::sax
struct _xmlSAXHandler * sax
Definition: parser.h:185
_xmlParserCtxt::instate
xmlParserInputState instate
Definition: parser.h:223
_xmlParserCtxt::catalogs
void * catalogs
Definition: parser.h:260
_xmlParserCtxt::userData
void * userData
Definition: parser.h:186
_xmlParserCtxt::validate
int validate
Definition: parser.h:220
_xmlParserInputBuffer
Definition: xmlIO.h:125
_xmlParserInput
Definition: parser.h:52
_xmlURI
Definition: uri.h:33
_xmlURI::scheme
char * scheme
Definition: uri.h:34
code
Definition: inflate.c:139
context
Definition: http.c:7252
domain
Definition: cookie.c:42
file
Definition: fci.c:127
gzFile_s
Definition: zlib.h:1834
mem
Definition: mem.c:156
stat
Definition: stat.h:55
z_stream_s
Definition: zlib.h:58
xmlParseURI
XMLPUBFUN xmlURIPtr XMLCALL xmlParseURI(const char *str)
Definition: uri.c:940
xmlURIUnescapeString
XMLPUBFUN char *XMLCALL xmlURIUnescapeString(const char *str, int len, char *target)
Definition: uri.c:1620
xmlCanonicPath
XMLPUBFUN xmlChar *XMLCALL xmlCanonicPath(const xmlChar *path)
Definition: uri.c:2380
xmlFreeURI
XMLPUBFUN void XMLCALL xmlFreeURI(xmlURIPtr uri)
Definition: uri.c:1387
ret
int ret
Definition: wcstombs-tests.c:31
snprintf
#define snprintf
Definition: wintirpc.h:48
MINLEN
#define MINLEN
Definition: xmlIO.c:83
IS_XMLPGD_SEP
#define IS_XMLPGD_SEP(ch)
xmlIOErrMemory
static void xmlIOErrMemory(const char *extra)
Definition: xmlIO.c:228
MAX_INPUT_CALLBACK
#define MAX_INPUT_CALLBACK
Definition: xmlIO.c:96
IOerr
static const char *const IOerr[]
Definition: xmlIO.c:129
xmlInputCallbackTable
static xmlInputCallback xmlInputCallbackTable[MAX_INPUT_CALLBACK]
Definition: xmlIO.c:98
xmlInputCallback
struct _xmlInputCallback xmlInputCallback
xmlInputCallbackInitialized
static int xmlInputCallbackInitialized
Definition: xmlIO.c:100
xmlInputCallbackNr
static int xmlInputCallbackNr
Definition: xmlIO.c:99
xmlFileOpen
XMLPUBFUN void *XMLCALL xmlFileOpen(const char *filename)
xmlRegisterInputCallbacks
XMLPUBFUN int XMLCALL xmlRegisterInputCallbacks(xmlInputMatchCallback matchFunc, xmlInputOpenCallback openFunc, xmlInputReadCallback readFunc, xmlInputCloseCallback closeFunc)
xmlParserInputBufferGrow
XMLPUBFUN int XMLCALL xmlParserInputBufferGrow(xmlParserInputBufferPtr in, int len)
xmlParserGetDirectory
XMLPUBFUN char *XMLCALL xmlParserGetDirectory(const char *filename)
xmlFreeParserInputBuffer
XMLPUBFUN void XMLCALL xmlFreeParserInputBuffer(xmlParserInputBufferPtr in)
xmlAllocParserInputBuffer
XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlAllocParserInputBuffer(xmlCharEncoding enc)
xmlParserInputBufferCreateFd
XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateFd(int fd, xmlCharEncoding enc)
xmlFileMatch
XMLPUBFUN int XMLCALL xmlFileMatch(const char *filename)
xmlInputMatchCallback
int(XMLCALL * xmlInputMatchCallback)(char const *filename)
Definition: xmlIO.h:34
xmlInputReadCallback
int(XMLCALL * xmlInputReadCallback)(void *context, char *buffer, int len)
Definition: xmlIO.h:54
xmlCleanupInputCallbacks
XMLPUBFUN void XMLCALL xmlCleanupInputCallbacks(void)
__xmlParserInputBufferCreateFilename
xmlParserInputBufferPtr __xmlParserInputBufferCreateFilename(const char *URI, xmlCharEncoding enc)
xmlInputOpenCallback
void *(XMLCALL * xmlInputOpenCallback)(char const *filename)
Definition: xmlIO.h:43
xmlPopInputCallbacks
XMLPUBFUN int XMLCALL xmlPopInputCallbacks(void)
xmlRegisterDefaultInputCallbacks
XMLPUBFUN void XMLCALL xmlRegisterDefaultInputCallbacks(void)
xmlParserInputBufferCreateStatic
XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateStatic(const char *mem, int size, xmlCharEncoding enc)
xmlParserInputBufferCreateIO
XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateIO(xmlInputReadCallback ioread, xmlInputCloseCallback ioclose, void *ioctx, xmlCharEncoding enc)
xmlCheckFilename
XMLPUBFUN int XMLCALL xmlCheckFilename(const char *path)
xmlCheckHTTPInput
XMLPUBFUN xmlParserInputPtr XMLCALL xmlCheckHTTPInput(xmlParserCtxtPtr ctxt, xmlParserInputPtr ret)
xmlParserInputBufferRead
XMLPUBFUN int XMLCALL xmlParserInputBufferRead(xmlParserInputBufferPtr in, int len)
xmlInputCloseCallback
int(XMLCALL * xmlInputCloseCallback)(void *context)
Definition: xmlIO.h:63
xmlNoNetExternalEntityLoader
XMLPUBFUN xmlParserInputPtr XMLCALL xmlNoNetExternalEntityLoader(const char *URL, const char *ID, xmlParserCtxtPtr ctxt)
xmlParserInputBufferPush
XMLPUBFUN int XMLCALL xmlParserInputBufferPush(xmlParserInputBufferPtr in, int len, const char *buf)
xmlParserInputBufferCreateMem
XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateMem(const char *mem, int size, xmlCharEncoding enc)
xmlNormalizeWindowsPath
XMLPUBFUN xmlChar *XMLCALL xmlNormalizeWindowsPath(const xmlChar *path)
xmlParserInputBufferCreateFile
XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateFile(FILE *file, xmlCharEncoding enc)
xmlFileClose
XMLPUBFUN int XMLCALL xmlFileClose(void *context)
xmlFileRead
XMLPUBFUN int XMLCALL xmlFileRead(void *context, char *buffer, int len)
xmlParserInputBufferCreateFilename
XMLPUBFUN xmlParserInputBufferPtr XMLCALL xmlParserInputBufferCreateFilename(const char *URI, xmlCharEncoding enc)
xmlGenericErrorFunc
void(XMLCDECL * xmlGenericErrorFunc)(void *ctx, const char *msg,...) LIBXML_ATTR_FORMAT(2
Definition: xmlerror.h:847
xmlErrorLevel
xmlErrorLevel
Definition: xmlerror.h:24
XML_ERR_WARNING
@ XML_ERR_WARNING
Definition: xmlerror.h:26
XML_ERR_ERROR
@ XML_ERR_ERROR
Definition: xmlerror.h:27
XML_FROM_IO
@ XML_FROM_IO
Definition: xmlerror.h:45
xmlStructuredErrorFunc
void(XMLCDECL *) typedef void(XMLCALL * xmlStructuredErrorFunc)(void *userData, xmlErrorPtr error)
Definition: xmlerror.h:858
XML_IO_EINVAL
@ XML_IO_EINVAL
Definition: xmlerror.h:433
XML_IO_EROFS
@ XML_IO_EROFS
Definition: xmlerror.h:456
XML_IO_EBUSY
@ XML_IO_EBUSY
Definition: xmlerror.h:423
XML_IO_ENOSYS
@ XML_IO_ENOSYS
Definition: xmlerror.h:447
XML_IO_EMFILE
@ XML_IO_EMFILE
Definition: xmlerror.h:436
XML_IO_ENOTDIR
@ XML_IO_ENOTDIR
Definition: xmlerror.h:448
XML_IO_ENFILE
@ XML_IO_ENFILE
Definition: xmlerror.h:440
XML_IO_ENAMETOOLONG
@ XML_IO_ENAMETOOLONG
Definition: xmlerror.h:439
XML_IO_EALREADY
@ XML_IO_EALREADY
Definition: xmlerror.h:473
XML_IO_NETWORK_ATTEMPT
@ XML_IO_NETWORK_ATTEMPT
Definition: xmlerror.h:461
XML_IO_EAFNOSUPPORT
@ XML_IO_EAFNOSUPPORT
Definition: xmlerror.h:474
XML_IO_ENOENT
@ XML_IO_ENOENT
Definition: xmlerror.h:442
XML_IO_EIO
@ XML_IO_EIO
Definition: xmlerror.h:434
XML_IO_ESPIPE
@ XML_IO_ESPIPE
Definition: xmlerror.h:457
XML_IO_EPERM
@ XML_IO_EPERM
Definition: xmlerror.h:453
XML_IO_NO_INPUT
@ XML_IO_NO_INPUT
Definition: xmlerror.h:465
XML_IO_ENOEXEC
@ XML_IO_ENOEXEC
Definition: xmlerror.h:443
XML_IO_EACCES
@ XML_IO_EACCES
Definition: xmlerror.h:419
XML_IO_ENOTEMPTY
@ XML_IO_ENOTEMPTY
Definition: xmlerror.h:449
XML_IO_FLUSH
@ XML_IO_FLUSH
Definition: xmlerror.h:463
XML_IO_EISCONN
@ XML_IO_EISCONN
Definition: xmlerror.h:469
XML_IO_EADDRINUSE
@ XML_IO_EADDRINUSE
Definition: xmlerror.h:472
XML_IO_EFAULT
@ XML_IO_EFAULT
Definition: xmlerror.h:429
XML_IO_ENODEV
@ XML_IO_ENODEV
Definition: xmlerror.h:441
XML_IO_EMSGSIZE
@ XML_IO_EMSGSIZE
Definition: xmlerror.h:438
XML_IO_UNKNOWN
@ XML_IO_UNKNOWN
Definition: xmlerror.h:418
XML_IO_EDOM
@ XML_IO_EDOM
Definition: xmlerror.h:427
XML_IO_ETIMEDOUT
@ XML_IO_ETIMEDOUT
Definition: xmlerror.h:459
XML_IO_ENOMEM
@ XML_IO_ENOMEM
Definition: xmlerror.h:445
XML_IO_EEXIST
@ XML_IO_EEXIST
Definition: xmlerror.h:428
XML_IO_ECHILD
@ XML_IO_ECHILD
Definition: xmlerror.h:425
XML_IO_EDEADLK
@ XML_IO_EDEADLK
Definition: xmlerror.h:426
XML_IO_ENOTTY
@ XML_IO_ENOTTY
Definition: xmlerror.h:451
XML_IO_EBADMSG
@ XML_IO_EBADMSG
Definition: xmlerror.h:422
XML_IO_ENOTSOCK
@ XML_IO_ENOTSOCK
Definition: xmlerror.h:468
XML_IO_LOAD_ERROR
@ XML_IO_LOAD_ERROR
Definition: xmlerror.h:467
XML_IO_ENOLCK
@ XML_IO_ENOLCK
Definition: xmlerror.h:444
XML_IO_EXDEV
@ XML_IO_EXDEV
Definition: xmlerror.h:460
XML_ERR_UNKNOWN_ENCODING
@ XML_ERR_UNKNOWN_ENCODING
Definition: xmlerror.h:131
XML_IO_EBADF
@ XML_IO_EBADF
Definition: xmlerror.h:421
XML_IO_ENOTSUP
@ XML_IO_ENOTSUP
Definition: xmlerror.h:450
XML_IO_WRITE
@ XML_IO_WRITE
Definition: xmlerror.h:464
XML_IO_EINPROGRESS
@ XML_IO_EINPROGRESS
Definition: xmlerror.h:431
XML_IO_EAGAIN
@ XML_IO_EAGAIN
Definition: xmlerror.h:420
XML_IO_ENCODER
@ XML_IO_ENCODER
Definition: xmlerror.h:462
XML_IO_EISDIR
@ XML_IO_EISDIR
Definition: xmlerror.h:435
XML_IO_EINTR
@ XML_IO_EINTR
Definition: xmlerror.h:432
XML_IO_EMLINK
@ XML_IO_EMLINK
Definition: xmlerror.h:437
XML_IO_ENETUNREACH
@ XML_IO_ENETUNREACH
Definition: xmlerror.h:471
XML_IO_ECANCELED
@ XML_IO_ECANCELED
Definition: xmlerror.h:424
XML_IO_ECONNREFUSED
@ XML_IO_ECONNREFUSED
Definition: xmlerror.h:470
XML_IO_EFBIG
@ XML_IO_EFBIG
Definition: xmlerror.h:430
XML_IO_ENOSPC
@ XML_IO_ENOSPC
Definition: xmlerror.h:446
XML_IO_BUFFER_FULL
@ XML_IO_BUFFER_FULL
Definition: xmlerror.h:466
XML_IO_ENXIO
@ XML_IO_ENXIO
Definition: xmlerror.h:452
XML_IO_EPIPE
@ XML_IO_EPIPE
Definition: xmlerror.h:454
XML_ERR_NO_MEMORY
@ XML_ERR_NO_MEMORY
Definition: xmlerror.h:102
XML_IO_ESRCH
@ XML_IO_ESRCH
Definition: xmlerror.h:458
XML_IO_ERANGE
@ XML_IO_ERANGE
Definition: xmlerror.h:455
encoding
static char * encoding
Definition: xmllint.c:155
xmlStrstr
XMLPUBFUN const xmlChar *XMLCALL xmlStrstr(const xmlChar *str, const xmlChar *val)
Definition: xmlstring.c:345
xmlStrPrintf
XMLPUBFUN int XMLCALL xmlStrPrintf(xmlChar *buf, int len, const char *msg,...) LIBXML_ATTR_FORMAT(3
xmlStrdup
XMLPUBFUN xmlChar *XMLCALL xmlStrdup(const xmlChar *cur)
Definition: xmlstring.c:67
BAD_CAST
#define BAD_CAST
Definition: xmlstring.h:35
xmlStrEqual
XMLPUBFUN int XMLCALL xmlStrEqual(const xmlChar *str1, const xmlChar *str2)
Definition: xmlstring.c:160
xmlStrncasecmp
XMLPUBFUN int XMLCALL xmlStrncasecmp(const xmlChar *str1, const xmlChar *str2, int len)
Definition: xmlstring.c:300
xmlChar
unsigned char xmlChar
Definition: xmlstring.h:28
__libxml2_xzopen
xzFile __libxml2_xzopen(const char *path, const char *mode)
__libxml2_xzdopen
xzFile __libxml2_xzdopen(int fd, const char *mode)
__libxml2_xzclose
int __libxml2_xzclose(xzFile file)
__libxml2_xzread
int __libxml2_xzread(xzFile file, void *buf, unsigned len)
__libxml2_xzcompressed
int __libxml2_xzcompressed(xzFile f)