Annotation of Amaya/amaya/AHTURLTools.c, revision 1.162
1.7 cvs 1: /*
2: *
1.160 vatton 3: * (c) COPYRIGHT INRIA and W3C, 1996-2003
1.7 cvs 4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
1.9 cvs 7:
1.10 cvs 8: /*
9: * AHTURLTools.c: contains all the functions for testing, manipulating,
1.25 cvs 10: * and normalizing URLs. It also contains a local copy of the libWWW
11: * URL parsing functions.
1.10 cvs 12: *
13: * Authors: J. Kahan, I. Vatton
1.106 cvs 14: * R. Guetari: Windows.
1.10 cvs 15: *
16: */
1.7 cvs 17:
1.15 cvs 18: #define THOT_EXPORT extern
1.3 cvs 19: #include "amaya.h"
20:
1.8 cvs 21: #include "init_f.h"
22: #include "AHTURLTools_f.h"
1.100 kahan 23: #include "query_f.h"
1.8 cvs 24:
1.24 cvs 25: #define MAX_PRINT_URL_LENGTH 50
1.106 cvs 26: typedef struct _HTURI
27: {
28: char *access; /* Now known as "scheme" */
29: char *host;
30: char *absolute;
31: char *relative;
32: char *fragment;
1.29 cvs 33: } HTURI;
1.24 cvs 34:
1.152 kahan 35: #ifdef _WINDOWS
36: #define TMPDIR "TMP"
1.155 cvs 37: #define stat _stat
38: #define uint64_t unsigned __int64
39: #define getpid _getpid
1.161 kahan 40: #else /* _WINDOWS */
1.152 kahan 41: #define TMPDIR "TMPDIR"
1.161 kahan 42: #if HAVE_STDINT_H
43: #include <stdint.h>
44: #endif /* HAVE_STDINT_H */
1.152 kahan 45: #endif /* _WINDOWS */
1.28 cvs 46:
47: /*----------------------------------------------------------------------
48: ConvertToLowerCase
49: Converts a string to lowercase.
50: ----------------------------------------------------------------------*/
1.124 vatton 51: void ConvertToLowerCase (char *string)
1.28 cvs 52: {
53: int i;
1.93 cvs 54:
1.28 cvs 55: if (!string)
56: return;
57:
1.106 cvs 58: for (i = 0; string[i] != EOS; i++)
1.123 vatton 59: string[i] = tolower (string[i]);
1.28 cvs 60: }
1.22 cvs 61:
1.8 cvs 62: /*----------------------------------------------------------------------
1.75 cvs 63: EscapeChar
64: writes the equivalent escape code of a char in a string
65: ----------------------------------------------------------------------*/
1.109 cvs 66: void EscapeChar (char *string, char c)
1.75 cvs 67: {
1.109 cvs 68: unsigned int i;
69:
70: i = (unsigned char) c & 0xFF;
71: sprintf (string, "%02x", i);
1.75 cvs 72: }
73:
74: /*----------------------------------------------------------------------
1.96 cvs 75: UnEscapeChar
76: writes the equivalent hex code to a %xx coded char
77: ----------------------------------------------------------------------*/
1.109 cvs 78: static char UnEscapeChar (char c)
1.96 cvs 79: {
1.106 cvs 80: return c >= '0' && c <= '9' ? c - '0'
81: : c >= 'A' && c <= 'F' ? c - 'A' + 10
82: : c - 'a' + 10; /* accept small letters just in case */
1.96 cvs 83: }
84:
85: /*----------------------------------------------------------------------
1.75 cvs 86: EscapeURL
87: Takes a URL and escapes all protected chars into
88: %xx sequences. Also, removes any leading white spaces
89: Returns either NULL or a new buffer, which must be freed by the caller
90: ----------------------------------------------------------------------*/
1.106 cvs 91: char *EscapeURL (const char *url)
92: {
93: char *buffer;
94: int buffer_len;
95: int buffer_free_mem;
96: char *ptr;
97: int new_chars;
1.75 cvs 98: void *status;
99:
100: if (url && *url)
101: {
1.106 cvs 102: buffer_free_mem = strlen (url) + 20;
103: buffer = TtaGetMemory (buffer_free_mem + 1);
1.107 kahan 104: ptr = (char *) url;
1.75 cvs 105: buffer_len = 0;
106:
107: while (*ptr)
108: {
109: switch (*ptr)
110: {
111: /* put here below all the chars that need to
112: be escaped into %xx */
1.81 cvs 113: case 0x20: /* space */
1.143 vatton 114: /*case 0x26:*/ /* & */
1.140 kahan 115: case 0x27: /* antislash */
1.75 cvs 116: new_chars = 3;
117: break;
118:
119: default:
1.122 kahan 120: if ((unsigned char )*ptr > 127)
121: new_chars = 3;
122: else
123: new_chars = 1;
1.75 cvs 124: break;
125: }
126:
127: /* see if we need extra room in the buffer */
128: if (new_chars > buffer_free_mem)
129: {
1.76 cvs 130: buffer_free_mem = 20;
1.106 cvs 131: status = TtaRealloc (buffer, sizeof (char)
1.75 cvs 132: * (buffer_len + buffer_free_mem + 1));
133: if (status)
1.114 cvs 134: buffer = (char *) status;
1.106 cvs 135: else
136: {
137: /* @@ maybe we should do some other behavior here, like
138: freeing the buffer and return a void thing */
139: buffer[buffer_len] = EOS;
140: break;
141: }
1.75 cvs 142: }
143: /* escape the char */
1.140 kahan 144: if (new_chars == 3)
145: {
1.106 cvs 146: buffer[buffer_len] = '%';
1.75 cvs 147: EscapeChar (&buffer[buffer_len+1], *ptr);
148: }
1.140 kahan 149: else
150: buffer[buffer_len] = *ptr;
151:
152: /* update the status */
153: buffer_len += new_chars;
154: buffer_free_mem -= new_chars;
155: /* examine the next char */
156: ptr++;
157: }
158: buffer[buffer_len] = EOS;
159: }
160: else
161: buffer = NULL;
162:
163: return (buffer);
164: }
165:
166: /*----------------------------------------------------------------------
167: EscapeXML
168: Takes a string and escapes all protected chars into entity
169: sequences.
170: Returns either NULL or a new buffer, which must be freed by the caller
171: ----------------------------------------------------------------------*/
172: char *EscapeXML (const char *string)
173: {
174: char *buffer;
175: int buffer_len;
176: int buffer_free_mem;
177: char *ptr;
178: char *entity = NULL;
179: int new_chars;
180: void *status;
181:
182: if (string && *string)
183: {
184: buffer_free_mem = strlen (string) + 20;
185: buffer = TtaGetMemory (buffer_free_mem + 1);
186: ptr = (char *) string;
187: buffer_len = 0;
188:
189: while (*ptr)
190: {
191: switch (*ptr)
192: {
193: case 0x26: /* & */
194: entity = "&";
1.141 kahan 195: new_chars = sizeof (entity) - 1;
196: break;
1.140 kahan 197:
1.141 kahan 198: case '<': /* < */
1.140 kahan 199: entity = "<";
1.141 kahan 200: new_chars = sizeof (entity) - 1;
1.140 kahan 201: break;
202:
1.141 kahan 203: case '>': /* > */
1.140 kahan 204: entity = ">";
1.141 kahan 205: new_chars = sizeof (entity) - 1;
206: break;
207:
208: case '"': /* "e; */
209: entity = ""e;";
210: new_chars = sizeof (entity) - 1;
1.140 kahan 211: break;
212:
213: default:
214: new_chars = 1;
215: break;
216: }
217:
218: /* see if we need extra room in the buffer */
219: if (new_chars > buffer_free_mem)
220: {
221: buffer_free_mem = 20;
222: status = TtaRealloc (buffer, sizeof (char)
223: * (buffer_len + buffer_free_mem + 1));
224: if (status)
225: buffer = (char *) status;
226: else
227: {
228: /* @@ maybe we should do some other behavior here, like
229: freeing the buffer and return a void thing */
230: buffer[buffer_len] = EOS;
231: break;
232: }
233: }
234: /* escape the char */
235: if (entity)
236: {
237: sprintf (&buffer[buffer_len], "%s", entity);
238: entity = NULL;
239: }
1.75 cvs 240: else
241: buffer[buffer_len] = *ptr;
242:
243: /* update the status */
244: buffer_len += new_chars;
245: buffer_free_mem -= new_chars;
246: /* examine the next char */
247: ptr++;
248: }
1.106 cvs 249: buffer[buffer_len] = EOS;
1.75 cvs 250: }
1.76 cvs 251: else
252: buffer = NULL;
253:
1.75 cvs 254: return (buffer);
1.122 kahan 255: }
256:
1.75 cvs 257:
258: /*----------------------------------------------------------------------
1.11 cvs 259: ExplodeURL
1.8 cvs 260: ----------------------------------------------------------------------*/
1.106 cvs 261: void ExplodeURL (char *url, char **proto, char **host, char **dir,
262: char **file)
1.8 cvs 263: {
1.33 cvs 264: char *curr, *temp;
265: char used_sep;
1.32 cvs 266:
1.33 cvs 267: if (url && strchr (url, URL_SEP))
268: used_sep = URL_SEP;
269: else
270: used_sep = DIR_SEP;
1.8 cvs 271:
272: if ((url == NULL) || (proto == NULL) || (host == NULL) ||
273: (dir == NULL) || (file == NULL))
274: return;
275:
276: /* initialize every pointer */
277: *proto = *host = *dir = *file = NULL;
278:
279: /* skip any leading space */
280: while ((*url == SPACE) || (*url == TAB))
281: url++;
1.9 cvs 282: curr = url;
283: if (*curr == 0)
1.8 cvs 284: goto finished;
285:
286: /* go to the end of the URL */
1.68 cvs 287: while ((*curr != EOS) && (*curr != SPACE) && (*curr != BSPACE) &&
288: (*curr != __CR__) && (*curr != EOL))
1.9 cvs 289: curr++;
1.8 cvs 290:
291: /* mark the end of the chain */
1.9 cvs 292: *curr = EOS;
293: curr--;
294: if (curr <= url)
1.8 cvs 295: goto finished;
296:
297: /* search the next DIR_SEP indicating the beginning of the file name */
298: do
1.11 cvs 299: curr--;
1.33 cvs 300: while ((curr >= url) && (*curr != used_sep));
1.11 cvs 301:
1.9 cvs 302: if (curr < url)
1.8 cvs 303: goto finished;
1.9 cvs 304: *file = curr + 1;
1.8 cvs 305:
306: /* mark the end of the dir */
1.9 cvs 307: *curr = EOS;
308: curr--;
309: if (curr < url)
1.8 cvs 310: goto finished;
311:
1.29 cvs 312: /* search for the DIR_STR indicating the host name start */
1.33 cvs 313: while ((curr > url) && ((*curr != used_sep) || (*(curr + 1) != used_sep)))
1.9 cvs 314: curr--;
1.8 cvs 315:
316: /* if we found it, separate the host name from the directory */
1.102 kahan 317: if ((*curr == used_sep) && (*(curr + 1) == used_sep))
1.8 cvs 318: {
1.9 cvs 319: *host = temp = curr + 2;
1.33 cvs 320: while ((*temp != 0) && (*temp != used_sep))
1.8 cvs 321: temp++;
1.33 cvs 322: if (*temp == used_sep)
1.8 cvs 323: {
324: *temp = EOS;
325: *dir = temp + 1;
326: }
327: }
328: else
1.11 cvs 329: *dir = curr;
330:
1.9 cvs 331: if (curr <= url)
1.8 cvs 332: goto finished;
333:
334: /* mark the end of the proto */
1.9 cvs 335: *curr = EOS;
336: curr--;
337: if (curr < url)
1.8 cvs 338: goto finished;
339:
1.106 cvs 340: if (*curr == ':')
1.8 cvs 341: {
1.9 cvs 342: *curr = EOS;
343: curr--;
1.8 cvs 344: }
345: else
346: goto finished;
1.11 cvs 347:
1.9 cvs 348: if (curr < url)
1.8 cvs 349: goto finished;
1.9 cvs 350: while ((curr > url) && (isalpha (*curr)))
351: curr--;
352: *proto = curr;
1.8 cvs 353:
354: finished:;
355:
356: #ifdef AMAYA_DEBUG
357: fprintf (stderr, "ExplodeURL(%s)\n\t", url);
358: if (*proto)
359: fprintf (stderr, "proto : %s, ", *proto);
360: if (*host)
361: fprintf (stderr, "host : %s, ", *host);
362: if (*dir)
363: fprintf (stderr, "dir : %s, ", *dir);
364: if (*file)
365: fprintf (stderr, "file : %s ", *file);
366: fprintf (stderr, "\n");
367: #endif
368:
369: }
1.3 cvs 370:
1.116 kahan 371: /*----------------------------------------------------------------------
372: PicTypeToMime
373: Converts a Thot PicType into the equivalent MIME type. If no convertion
374: is possible, it returns NULL.
375: ----------------------------------------------------------------------*/
376: char *PicTypeToMIME (PicType contentType)
377: {
378: char *mime_type;
379:
380: switch (contentType)
381: {
382: case xbm_type:
383: mime_type ="image/x-xbitmap";
384: break;
385: case eps_type:
386: mime_type ="application/postscript";
387: break;
388: case xpm_type:
389: mime_type ="image/x-xpicmap";
390: break;
391: case gif_type:
392: mime_type ="image/gif";
393: break;
394: case jpeg_type:
395: mime_type ="image/jpeg";
396: break;
397: case png_type:
398: mime_type ="image/png";
399: break;
400: case svg_type:
1.138 kahan 401: mime_type =AM_SVG_MIME_TYPE;
1.116 kahan 402: break;
403: case unknown_type:
404: default:
405: mime_type = NULL;
406: }
407:
408: return mime_type;
409: }
1.61 cvs 410:
411: /*----------------------------------------------------------------------
1.117 kahan 412: ImageElement
413: Returns the element (image parameter) and URL (url parameter) of an
414: image in a docImage document. The user must free the memory associated
1.120 kahan 415: with the url parameter if the function is succesful.
416: If the url parameter is NULL, we won't initialize it.
1.117 kahan 417: Returns TRUE if succesful, FALSE otherwise.
418: ----------------------------------------------------------------------*/
419: ThotBool ImageElement (Document doc, char **url, Element *image)
420: {
421: Element el, imgEl;
422: Attribute attr, srcAttr;
423: AttributeType attrType;
424: int length;
425: char *value;
426:
427: if (DocumentTypes[doc] != docImage)
428: return FALSE;
429:
430: /* find the value of the src attribute */
431: attrType.AttrSSchema = TtaGetSSchema ("HTML", doc);
432: attrType.AttrTypeNum = HTML_ATTR_SRC;
433: el = TtaGetRootElement (doc);
434: TtaSearchAttribute (attrType, SearchInTree, el, &imgEl, &srcAttr);
435:
436: if (!imgEl)
437: return FALSE;
438: *image = imgEl;
439:
1.120 kahan 440: if (url)
441: {
442: attr = TtaGetAttribute (imgEl, attrType);
443: length = TtaGetTextAttributeLength (srcAttr) + 1;
444: value = TtaGetMemory (length);
445: TtaGiveTextAttributeValue (srcAttr, value, &length);
446: *url = value;
447: }
1.117 kahan 448: return TRUE;
449: }
450:
451: /*----------------------------------------------------------------------
452: DocImageMimeType
453: Returns the MIME type of a docImage document.
454: ----------------------------------------------------------------------*/
455: char *DocImageMimeType (Document doc)
456: {
457: char *mime_type;
458: LoadedImageDesc *pImage;
459: PicType type;
460: Element image;
461:
462: if (DocumentTypes[doc] != docImage)
463: return NULL;
464:
465: mime_type = NULL;
466: if (!IsHTTPPath (DocumentURLs[doc]))
467: {
468: /* it is a local image */
1.120 kahan 469: if (ImageElement (doc, NULL, &image))
1.117 kahan 470: {
471: type = TtaGetPictureType (image);
472: mime_type = PicTypeToMIME (type);
473: }
474: }
475: else
476: {
477: /* find the value of the src attribute */
478: pImage = ImageURLs;
479: while (pImage != NULL)
480: {
481: if (pImage->document == doc)
482: {
483: if (pImage->content_type)
484: mime_type = pImage->content_type;
485: else if (pImage->elImage && pImage->elImage->currentElement)
486: {
487: type = TtaGetPictureType (pImage->elImage->currentElement);
488: mime_type = PicTypeToMIME (type);
489: }
490: break;
491: }
492: }
493: }
494: return (mime_type);
495: }
496:
1.4 cvs 497: /*----------------------------------------------------------------------
1.9 cvs 498: IsHTMLName
499: returns TRUE if path points to an HTML resource.
1.4 cvs 500: ----------------------------------------------------------------------*/
1.109 cvs 501: ThotBool IsHTMLName (const char *path)
1.106 cvs 502: {
1.136 cvs 503: char temppath[MAX_LENGTH];
504: char suffix[MAX_LENGTH];
505: char nsuffix[MAX_LENGTH];
506: int i;
1.5 cvs 507:
1.101 cvs 508: if (!path)
509: return (FALSE);
1.5 cvs 510:
1.106 cvs 511: strcpy (temppath, path);
1.124 vatton 512: TtaExtractSuffix (temppath, suffix);
1.101 cvs 513: i = 0;
1.106 cvs 514: while (suffix[i] != EOS)
1.101 cvs 515: {
516: /* Normalize the suffix */
517: i = 0;
1.106 cvs 518: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.101 cvs 519: {
1.123 vatton 520: nsuffix[i] = tolower (suffix[i]);
1.101 cvs 521: i++;
522: }
1.106 cvs 523: nsuffix[i] = EOS;
524: if (!strcmp (nsuffix, "html") ||
525: !strcmp (nsuffix, "htm") ||
526: !strcmp (nsuffix, "shtml") ||
527: !strcmp (nsuffix, "jsp") ||
1.159 vatton 528: !strcmp (nsuffix, "tpl") ||
1.106 cvs 529: !strcmp (nsuffix, "xht") ||
530: !strcmp (nsuffix, "xhtm") ||
1.144 cvs 531: !strcmp (nsuffix, "lhtml") ||
1.106 cvs 532: !strcmp (nsuffix, "xhtml"))
1.101 cvs 533: return (TRUE);
1.106 cvs 534: else if (!strcmp (nsuffix, "gz"))
1.101 cvs 535: {
536: /* take into account compressed files */
1.124 vatton 537: TtaExtractSuffix (temppath, suffix);
1.101 cvs 538: /* Normalize the suffix */
539: i = 0;
1.106 cvs 540: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.101 cvs 541: {
1.123 vatton 542: nsuffix[i] = tolower (suffix[i]);
1.101 cvs 543: i++;
544: }
1.106 cvs 545: nsuffix[i] = EOS;
546: if (!strcmp (nsuffix, "html") ||
547: !strcmp (nsuffix, "htm") ||
548: !strcmp (nsuffix, "shtml") ||
549: !strcmp (nsuffix, "jsp") ||
1.159 vatton 550: !strcmp (nsuffix, "tpl") ||
1.106 cvs 551: !strcmp (nsuffix, "xht") ||
552: !strcmp (nsuffix, "xhtm") ||
1.144 cvs 553: !strcmp (nsuffix, "lhtml") ||
1.106 cvs 554: !strcmp (nsuffix, "xhtml"))
1.101 cvs 555: return (TRUE);
556: else
557: return (FALSE);
558: }
559: else
560: /* check if there is another suffix */
1.124 vatton 561: TtaExtractSuffix (temppath, suffix);
1.101 cvs 562: }
1.88 cvs 563: return (FALSE);
1.3 cvs 564: }
565:
1.4 cvs 566: /*----------------------------------------------------------------------
1.136 cvs 567: IsMathMLName
568: returns TRUE if path points to an MathML resource.
1.56 cvs 569: ----------------------------------------------------------------------*/
1.136 cvs 570: ThotBool IsMathMLName (const char *path)
1.56 cvs 571: {
1.136 cvs 572: char temppath[MAX_LENGTH];
573: char suffix[MAX_LENGTH];
1.56 cvs 574:
575: if (!path)
576: return (FALSE);
577:
1.106 cvs 578: strcpy (temppath, path);
1.124 vatton 579: TtaExtractSuffix (temppath, suffix);
1.56 cvs 580:
1.136 cvs 581: if (!strcasecmp (suffix, "mml"))
1.56 cvs 582: return (TRUE);
1.106 cvs 583: else if (!strcmp (suffix, "gz"))
1.56 cvs 584: {
585: /* take into account compressed files */
1.124 vatton 586: TtaExtractSuffix (temppath, suffix);
1.136 cvs 587: if (!strcasecmp (suffix, "mml"))
1.60 cvs 588: return (TRUE);
589: else
590: return (FALSE);
591: }
592: else
593: return (FALSE);
594: }
595:
596: /*----------------------------------------------------------------------
1.136 cvs 597: IsSVGName
598: returns TRUE if path points to an SVG resource.
1.133 vatton 599: ----------------------------------------------------------------------*/
1.136 cvs 600: ThotBool IsSVGName (const char *path)
1.133 vatton 601: {
1.136 cvs 602: char temppath[MAX_LENGTH];
603: char suffix[MAX_LENGTH];
1.133 vatton 604:
605: if (!path)
606: return (FALSE);
607:
608: strcpy (temppath, path);
609: TtaExtractSuffix (temppath, suffix);
610:
1.158 vatton 611: if (!strcasecmp (suffix, "svg") || !strcasecmp (suffix, "svgz"))
1.133 vatton 612: return (TRUE);
613: else if (!strcmp (suffix, "gz"))
614: {
615: /* take into account compressed files */
616: TtaExtractSuffix (temppath, suffix);
1.136 cvs 617: if (!strcasecmp (suffix, "svg"))
1.133 vatton 618: return (TRUE);
619: else
620: return (FALSE);
621: }
622: else
623: return (FALSE);
624: }
625:
626: /*----------------------------------------------------------------------
1.136 cvs 627: IsXMLName
628: returns TRUE if path points to an XML resource.
1.103 cvs 629: ----------------------------------------------------------------------*/
1.136 cvs 630: ThotBool IsXMLName (const char *path)
1.103 cvs 631: {
1.136 cvs 632: char temppath[MAX_LENGTH];
633: char suffix[MAX_LENGTH];
1.103 cvs 634:
635: if (!path)
636: return (FALSE);
637:
1.106 cvs 638: strcpy (temppath, path);
1.124 vatton 639: TtaExtractSuffix (temppath, suffix);
1.103 cvs 640:
1.136 cvs 641: if (!strcasecmp (suffix, "xml") ||
642: !strcasecmp (suffix, "xht") ||
643: !strcmp (suffix, "xhtm") ||
1.145 kahan 644: !strcmp (suffix, "xhtml") ||
645: !strcmp (suffix, "smi"))
1.103 cvs 646: return (TRUE);
1.106 cvs 647: else if (!strcmp (suffix, "gz"))
1.103 cvs 648: {
649: /* take into account compressed files */
1.124 vatton 650: TtaExtractSuffix (temppath, suffix);
1.136 cvs 651: if (!strcasecmp (suffix, "xml") ||
652: !strcasecmp (suffix, "xht") ||
653: !strcmp (suffix, "xhtm") ||
1.145 kahan 654: !strcmp (suffix, "xhtml") ||
655: !strcmp (suffix, "smi"))
1.103 cvs 656: return (TRUE);
657: else
658: return (FALSE);
659: }
660: else
661: return (FALSE);
662: }
663:
664: /*----------------------------------------------------------------------
1.136 cvs 665: IsUndisplayedName
666: returns TRUE if path points to an undisplayed resource.
1.103 cvs 667: ----------------------------------------------------------------------*/
1.136 cvs 668: ThotBool IsUndisplayedName (const char *path)
1.103 cvs 669: {
1.106 cvs 670: char temppath[MAX_LENGTH];
671: char suffix[MAX_LENGTH];
1.103 cvs 672:
673: if (!path)
674: return (FALSE);
675:
1.106 cvs 676: strcpy (temppath, path);
1.124 vatton 677: TtaExtractSuffix (temppath, suffix);
1.103 cvs 678:
1.136 cvs 679: if (!strcasecmp (suffix, "exe") ||
680: !strcasecmp (suffix, "zip") ||
681: !strcasecmp (suffix, "ppt") ||
682: !strcasecmp (suffix, "pdf") ||
683: !strcasecmp (suffix, "ps") ||
684: !strcasecmp (suffix, "eps") ||
685: !strcasecmp (suffix, "tar") ||
686: !strcasecmp (suffix, "tgz") ||
687: !strcasecmp (suffix, "ddl") ||
688: !strcasecmp (suffix, "o"))
1.103 cvs 689: return (TRUE);
1.106 cvs 690: else if (!strcmp (suffix, "gz"))
1.103 cvs 691: {
692: /* take into account compressed files */
1.124 vatton 693: TtaExtractSuffix (temppath, suffix);
1.136 cvs 694: if (!strcasecmp (suffix, "exe") ||
695: !strcasecmp (suffix, "zip") ||
696: !strcasecmp (suffix, "ppt") ||
697: !strcasecmp (suffix, "pdf") ||
698: !strcasecmp (suffix, "ps") ||
699: !strcasecmp (suffix, "eps") ||
700: !strcasecmp (suffix, "tar") ||
701: !strcasecmp (suffix, "ddl") ||
702: !strcasecmp (suffix, "o"))
1.103 cvs 703: return (TRUE);
704: else
705: return (FALSE);
706: }
707: else
708: return (FALSE);
709: }
710:
711: /*----------------------------------------------------------------------
1.60 cvs 712: IsCSSName
713: returns TRUE if path points to an XML resource.
714: ----------------------------------------------------------------------*/
1.111 cvs 715: ThotBool IsCSSName (const char *path)
1.60 cvs 716: {
1.106 cvs 717: char temppath[MAX_LENGTH];
718: char suffix[MAX_LENGTH];
1.60 cvs 719:
720: if (!path)
721: return (FALSE);
722:
1.106 cvs 723: strcpy (temppath, path);
1.124 vatton 724: TtaExtractSuffix (temppath, suffix);
1.60 cvs 725:
1.106 cvs 726: if (!strcasecmp (suffix, "css"))
1.60 cvs 727: return (TRUE);
1.106 cvs 728: else if (!strcmp (suffix, "gz"))
1.60 cvs 729: {
730: /* take into account compressed files */
1.124 vatton 731: TtaExtractSuffix (temppath, suffix);
1.106 cvs 732: if (!strcasecmp (suffix, "css"))
1.56 cvs 733: return (TRUE);
734: else
735: return (FALSE);
736: }
737: else
738: return (FALSE);
739: }
740:
741: /*----------------------------------------------------------------------
1.9 cvs 742: IsImageName
743: returns TRUE if path points to an image resource.
1.4 cvs 744: ----------------------------------------------------------------------*/
1.111 cvs 745: ThotBool IsImageName (const char *path)
1.106 cvs 746: {
747: char temppath[MAX_LENGTH];
748: char suffix[MAX_LENGTH];
749: char nsuffix[MAX_LENGTH];
1.5 cvs 750: int i;
751:
752: if (!path)
1.13 cvs 753: return (FALSE);
1.5 cvs 754:
1.106 cvs 755: strcpy (temppath, path);
1.124 vatton 756: TtaExtractSuffix (temppath, suffix);
1.5 cvs 757:
758: /* Normalize the suffix */
759: i = 0;
1.106 cvs 760: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 761: {
1.123 vatton 762: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 763: i++;
764: }
1.106 cvs 765: nsuffix[i] = EOS;
766: if ((!strcmp (nsuffix, "gif")) || (!strcmp (nsuffix, "xbm")) ||
767: (!strcmp (nsuffix, "xpm")) || (!strcmp (nsuffix, "jpg")) ||
768: (!strcmp (nsuffix, "png")) || (!strcmp (nsuffix, "au")))
1.39 cvs 769: return (TRUE);
770: return (FALSE);
1.3 cvs 771: }
772:
1.4 cvs 773: /*----------------------------------------------------------------------
1.58 cvs 774: IsImageType
775: returns TRUE if type points to an image resource.
776: ----------------------------------------------------------------------*/
1.111 cvs 777: ThotBool IsImageType (const char *type)
1.58 cvs 778: {
1.106 cvs 779: char temptype[MAX_LENGTH];
1.58 cvs 780: int i;
781:
782: if (!type)
783: return (FALSE);
784:
1.106 cvs 785: strcpy (temptype, type);
1.58 cvs 786: /* Normalize the type */
787: i = 0;
1.106 cvs 788: while (temptype[i] != EOS)
1.58 cvs 789: {
790: temptype[i] = tolower (temptype[i]);
791: i++;
792: }
1.111 cvs 793: if (!strcmp (temptype, "gif") || !strcmp (temptype, "x-xbitmap") ||
794: !strcmp (temptype, "x-xpixmap") || !strcmp (temptype, "jpeg") ||
795: !strcmp (temptype, "png"))
1.58 cvs 796: return (TRUE);
797: return (FALSE);
798: }
799:
800: /*----------------------------------------------------------------------
1.9 cvs 801: IsTextName
1.4 cvs 802: ----------------------------------------------------------------------*/
1.111 cvs 803: ThotBool IsTextName (const char *path)
1.106 cvs 804: {
805: char temppath[MAX_LENGTH];
806: char suffix[MAX_LENGTH];
807: char nsuffix[MAX_LENGTH];
1.5 cvs 808: int i;
809:
810: if (!path)
1.13 cvs 811: return (FALSE);
1.5 cvs 812:
1.106 cvs 813: strcpy (temppath, path);
1.124 vatton 814: TtaExtractSuffix (temppath, suffix);
1.5 cvs 815:
816: /* Normalize the suffix */
817: i = 0;
1.106 cvs 818: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.5 cvs 819: {
1.25 cvs 820: nsuffix[i] = tolower (suffix[i]);
1.5 cvs 821: i++;
822: }
1.106 cvs 823: nsuffix[i] = EOS;
1.5 cvs 824:
1.111 cvs 825: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 826: return (TRUE);
1.106 cvs 827: else if (!strcmp (nsuffix, "gz"))
1.13 cvs 828: {
1.39 cvs 829: /* take into account compressed files */
1.124 vatton 830: TtaExtractSuffix (temppath, suffix);
1.13 cvs 831: /* Normalize the suffix */
832: i = 0;
1.106 cvs 833: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 834: {
1.25 cvs 835: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 836: i++;
837: }
1.106 cvs 838: nsuffix[i] = EOS;
1.111 cvs 839: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 840: return (TRUE);
841: else
842: return (FALSE);
843: }
844: else
845: return (FALSE);
1.3 cvs 846: }
847:
1.4 cvs 848: /*----------------------------------------------------------------------
1.9 cvs 849: IsHTTPPath
850: returns TRUE if path is in fact an http URL.
1.4 cvs 851: ----------------------------------------------------------------------*/
1.112 cvs 852: ThotBool IsHTTPPath (const char *path)
1.3 cvs 853: {
1.5 cvs 854: if (!path)
855: return FALSE;
1.3 cvs 856:
1.106 cvs 857: if ((!strncmp (path, "http:", 5) != 0)
858: || (AHTFTPURL_flag () && !strncmp (path, "ftp:", 4))
859: || !strncmp (path, "internal:", 9))
1.58 cvs 860: return TRUE;
861: return FALSE;
1.3 cvs 862: }
863:
1.4 cvs 864: /*----------------------------------------------------------------------
1.9 cvs 865: IsWithParameters
866: returns TRUE if url has a concatenated query string.
1.4 cvs 867: ----------------------------------------------------------------------*/
1.133 vatton 868: ThotBool IsWithParameters (const char *url)
1.3 cvs 869: {
1.5 cvs 870: int i;
1.3 cvs 871:
1.9 cvs 872: if ((!url) || (url[0] == EOS))
1.5 cvs 873: return FALSE;
1.3 cvs 874:
1.9 cvs 875: i = strlen (url) - 1;
876: while (i > 0 && url[i--] != '?')
1.5 cvs 877: if (i < 0)
878: return FALSE;
1.3 cvs 879:
1.5 cvs 880: /* There is a parameter */
881: return TRUE;
1.3 cvs 882: }
883:
1.4 cvs 884: /*----------------------------------------------------------------------
1.9 cvs 885: IsW3Path
886: returns TRUE if path is in fact a URL.
1.4 cvs 887: ----------------------------------------------------------------------*/
1.133 vatton 888: ThotBool IsW3Path (const char *path)
1.106 cvs 889: {
890: if (strncmp (path, "http:", 5) &&
891: strncmp (path, "ftp:", 4) &&
892: strncmp (path, "telnet:", 7) &&
893: strncmp (path, "wais:", 5) &&
894: strncmp (path, "news:", 5) &&
895: strncmp (path, "gopher:", 7) &&
896: strncmp (path, "mailto:", 7) &&
1.132 cheyroul 897: strncmp (path, "archie:", 7) &&
898: strncmp (path, "https:", 6))
1.72 cvs 899: return FALSE;
900: return TRUE;
1.3 cvs 901: }
902:
1.4 cvs 903: /*----------------------------------------------------------------------
1.90 cvs 904: IsFilePath
905: returns TRUE if path is in fact a URL.
906: ----------------------------------------------------------------------*/
1.133 vatton 907: ThotBool IsFilePath (const char *path)
1.90 cvs 908: {
1.106 cvs 909: if (strncmp (path, "file:", 5))
1.90 cvs 910: return FALSE;
911: return TRUE;
912: }
913:
914: /*----------------------------------------------------------------------
1.9 cvs 915: IsValidProtocol
916: returns true if the url protocol is supported by Amaya.
1.4 cvs 917: ----------------------------------------------------------------------*/
1.133 vatton 918: ThotBool IsValidProtocol (const char *url)
1.106 cvs 919: {
920: if (!strncmp (url, "http:", 5)
921: || !strncmp (url, "internal:", 9)
922: || (AHTFTPURL_flag () && !strncmp (url, "ftp:", 4)))
1.22 cvs 923: /* experimental */
1.24 cvs 924: /*** || !strncmp (path, "news:", 5)***/
1.8 cvs 925: return (TRUE);
1.5 cvs 926: else
1.8 cvs 927: return (FALSE);
1.3 cvs 928: }
929:
1.31 cvs 930:
931: /*----------------------------------------------------------------------
932: GetBaseURL
933: normalizes orgName according to a base associated with doc, and
934: following the standard URL format rules.
935: The function returns the base used to solve relative URL and SRC:
936: - the base of the document,
937: - or the document path (without document name).
938: ----------------------------------------------------------------------*/
1.106 cvs 939: char *GetBaseURL (Document doc)
1.31 cvs 940: {
941: Element el;
942: ElementType elType;
943: AttributeType attrType;
944: Attribute attr;
1.106 cvs 945: char *ptr, *basename;
1.31 cvs 946: int length;
1.151 kahan 947: ThotBool hasDocBase;
1.31 cvs 948:
1.113 cvs 949: if (doc == 0 || !DocumentURLs[doc])
1.110 cvs 950: return NULL;
1.148 kahan 951: /* the other functions expect basename to have no more than MAX_LENGTH chars */
1.106 cvs 952: basename = TtaGetMemory (MAX_LENGTH);
1.148 kahan 953: basename[0] = EOS;
1.31 cvs 954: length = MAX_LENGTH -1;
1.151 kahan 955: hasDocBase = FALSE;
956:
957: /* If the document has a base URL, it has a priority over the headers. */
958: /* @@ We need to do this too when we support XML:base */
959:
960: /* is it a HTML document ? */
961: elType.ElSSchema = TtaGetDocumentSSchema (doc);
962: if (!strcmp (TtaGetSSchemaName (elType.ElSSchema), "HTML"))
963: /* it's a HTML document */
964: {
965: /* get the document element */
966: el = TtaGetMainRoot (doc);
967: /* search the BASE element */
968: elType.ElTypeNum = HTML_EL_HEAD;
969: el = TtaSearchTypedElement (elType, SearchForward, el);
970: if (el)
971: /* there is a HEAD element */
972: {
973: /* look for a BASE element within the HEAD */
974: elType.ElTypeNum = HTML_EL_BASE;
975: el = TtaSearchTypedElement (elType, SearchInTree, el);
976: }
977: if (el)
978: {
979: /* The document has a BASE element. Get the HREF attribute of the
980: BASE element */
981: hasDocBase = TRUE;
982: attrType.AttrSSchema = elType.ElSSchema;
983: attrType.AttrTypeNum = HTML_ATTR_HREF_;
984: attr = TtaGetAttribute (el, attrType);
985: if (attr)
986: {
987: /* Use the base path of the document */
988: TtaGiveTextAttributeValue (attr, basename, &length);
989: }
990: }
991: }
992:
993: /* there was no BASE. Do we have a location header? */
994: if (!hasDocBase && DocumentMeta[doc] && DocumentMeta[doc]->full_content_location
1.148 kahan 995: && DocumentMeta[doc]->full_content_location[0] != EOS)
1.65 cvs 996: {
1.148 kahan 997: strncpy (basename, DocumentMeta[doc]->full_content_location, MAX_LENGTH-1);
998: basename[MAX_LENGTH-1] = EOS;
999: length = strlen (basename);
1000: }
1001:
1002: if (basename[0] != EOS)
1003: {
1004: /* base and orgName have to be separated by a DIR_SEP */
1005: length--;
1006: if (basename[0] != EOS && basename[length] != URL_SEP &&
1007: basename[length] != DIR_SEP)
1008: /* verify if the base has the form "protocol://server:port" */
1.31 cvs 1009: {
1.148 kahan 1010: ptr = AmayaParseUrl (basename, "", AMAYA_PARSE_ACCESS |
1011: AMAYA_PARSE_HOST |
1012: AMAYA_PARSE_PUNCTUATION);
1013: if (ptr && !strcmp (ptr, basename))
1.31 cvs 1014: {
1.148 kahan 1015: /* it has this form, complete it by adding a URL_STR */
1016: if (strchr (basename, DIR_SEP))
1017: strcat (basename, DIR_STR);
1018: else
1019: strcat (basename, URL_STR);
1020: length++;
1.31 cvs 1021: }
1.149 kahan 1022: else if (!ptr || ptr[0] == EOS)
1023: {
1024: /* no host was detected, we may have a relative URL. We test
1025: if it begins with a URL_SEP, DIR_SEP or period. If yes, it's
1026: relative. */
1027: if (! (basename[0] == '.' || basename[0] == URL_SEP
1028: || basename[0] == DIR_SEP))
1029: basename[0] = EOS;
1030: }
1.148 kahan 1031: if (ptr)
1032: TtaFreeMemory (ptr);
1.31 cvs 1033: }
1.113 cvs 1034: }
1035:
1.148 kahan 1036: /* there was no base element and no location header, we use the DocumentURL */
1037: if (basename[0] == EOS)
1038: {
1039: strncpy (basename, DocumentURLs[doc], MAX_LENGTH-1);
1040: basename[MAX_LENGTH-1] = EOS;
1041: }
1042:
1.31 cvs 1043: /* Remove anything after the last DIR_SEP char. If no such char is found,
1044: * then search for the first ":" char, hoping that what's before that is a
1045: * protocol. If found, end the string there. If neither char is found,
1046: * then discard the whole base element.
1047: */
1.106 cvs 1048: length = strlen (basename) - 1;
1.31 cvs 1049: /* search for the last DIR_SEP char */
1.106 cvs 1050: while (length >= 0 && basename[length] != URL_SEP && basename[length] != DIR_SEP)
1.31 cvs 1051: length--;
1052: if (length >= 0)
1053: /* found the last DIR_SEP char, end the string there */
1.106 cvs 1054: basename[length + 1] = EOS;
1.31 cvs 1055: else
1056: /* search for the first PATH_STR char */
1057: {
1.106 cvs 1058: for (length = 0; basename[length] != ':' &&
1059: basename[length] != EOS; length ++);
1060: if (basename[length] == ':')
1.31 cvs 1061: /* found, so end the string there */
1.106 cvs 1062: basename[length + 1] = EOS;
1.31 cvs 1063: else
1064: /* not found, discard the base */
1.106 cvs 1065: basename[0] = EOS;
1.31 cvs 1066: }
1067: return (basename);
1068: }
1069:
1070:
1.4 cvs 1071: /*----------------------------------------------------------------------
1.40 cvs 1072: GetLocalPath
1073: Allocate and return the local document path associated to the url
1074: ----------------------------------------------------------------------*/
1.150 vatton 1075: char *GetLocalPath (Document doc, char *url)
1.106 cvs 1076: {
1077: char *ptr;
1078: char *n;
1079: char *documentname;
1080: char url_sep;
1.83 cvs 1081: int len;
1.67 cvs 1082: ThotBool noFile;
1.40 cvs 1083:
1.153 vatton 1084: if (url)
1.40 cvs 1085: {
1086: /* check whether the file name exists */
1.106 cvs 1087: len = strlen (url) - 1;
1.71 cvs 1088: if (IsW3Path (url))
1.157 kahan 1089: url_sep = URL_SEP;
1.41 cvs 1090: else
1.106 cvs 1091: url_sep = DIR_SEP;
1.41 cvs 1092: noFile = (url[len] == url_sep);
1.40 cvs 1093: if (noFile)
1.106 cvs 1094: url[len] = EOS;
1095: ptr = TtaGetMemory (MAX_LENGTH);
1096: documentname = TtaGetMemory (MAX_LENGTH);
1.78 cvs 1097: TtaExtractName (url, ptr, documentname);
1.106 cvs 1098: sprintf (ptr, "%s%s%d%s", TempFileDirectory, DIR_STR, doc, DIR_STR);
1.40 cvs 1099: if (!TtaCheckDirectory (ptr))
1100: /* directory did not exist */
1.72 cvs 1101: TtaMakeDirectory (ptr);
1.47 cvs 1102:
1.153 vatton 1103: if (doc == 0)
1104: {
1105: n = strrchr (documentname, '.');
1106: if (n)
1107: *n = EOS;
1108: if (documentname[0] == EOS)
1109: strcpy (documentname, "noname");
1110: n = GetTempName (ptr, documentname);
1111: TtaFreeMemory (ptr);
1112: ptr = n;
1113: }
1.69 cvs 1114: else
1.153 vatton 1115: {
1116: /* don't include the query string within document name */
1117: n = strrchr (documentname, '?');
1118: if (n)
1119: *n = EOS;
1120: /* don't include ':' within document name */
1121: n = strchr (documentname, ':');
1122: if (n)
1123: *n = EOS;
1124: /* if after all this operations document name
1125: is empty, let's use noname.html instead */
1126: if (documentname[0] == EOS)
1127: strcat (ptr, "noname.html");
1128: else
1129: strcat (ptr, documentname);
1130: }
1.40 cvs 1131: TtaFreeMemory (documentname);
1.157 kahan 1132: /* substitute invalid chars in file names by a _ */
1133: n = ptr;
1134: while (*n)
1135: {
1136: if (*n == '*' || *n == ',')
1137: *n = '_';
1138: n++;
1139: }
1.40 cvs 1140: /* restore the url */
1141: if (noFile)
1.41 cvs 1142: url[len] = url_sep;
1.40 cvs 1143: return (ptr);
1144: }
1145: else
1146: return (NULL);
1147: }
1148:
1.73 cvs 1149: /*----------------------------------------------------------------------
1.79 cvs 1150: ExtractTarget extract the target name from document nane.
1151: ----------------------------------------------------------------------*/
1.150 vatton 1152: void ExtractTarget (char *aName, char *target)
1.79 cvs 1153: {
1.106 cvs 1154: int lg, i;
1155: char *ptr;
1156: char *oldptr;
1.79 cvs 1157:
1158: if (!target || !aName)
1159: /* bad target */
1160: return;
1161:
1.106 cvs 1162: target[0] = EOS;
1163: lg = strlen (aName);
1.79 cvs 1164: if (lg)
1165: {
1166: /* the name is not empty */
1167: oldptr = ptr = &aName[0];
1168: do
1169: {
1.106 cvs 1170: ptr = strrchr (oldptr, '#');
1.79 cvs 1171: if (ptr)
1172: oldptr = &ptr[1];
1173: }
1174: while (ptr);
1175:
1176: i = (int) (oldptr) - (int) (aName); /* name length */
1177: if (i > 1)
1178: {
1.106 cvs 1179: aName[i - 1] = EOS;
1.79 cvs 1180: if (i != lg)
1.106 cvs 1181: strcpy (target, oldptr);
1.79 cvs 1182: }
1183: }
1184: }
1185:
1186: /*----------------------------------------------------------------------
1.90 cvs 1187: RemoveNewLines (text)
1188: Removes any '\n' chars that are found in text.
1189: Returns TRUE if it did the operation, FALSE otherwise.
1.73 cvs 1190: ----------------------------------------------------------------------*/
1.106 cvs 1191: ThotBool RemoveNewLines (char *text)
1192: {
1193: ThotBool change = FALSE;
1194: char *src;
1195: char *dest;
1.90 cvs 1196:
1197: src = text;
1198: dest = text;
1.115 kahan 1199:
1200: /* remove any preceding whitespace */
1201: while (*src && *src == ' ')
1202: {
1203: src++;
1204: change = 1;
1205: }
1206:
1.90 cvs 1207: while (*src)
1208: {
1209: switch (*src)
1210: {
1.106 cvs 1211: case '\n':
1.90 cvs 1212: /* don't copy the newline */
1213: change = 1;
1214: break;
1215: default:
1216: *dest = *src;
1217: dest++;
1218: break;
1219: }
1220: src++;
1221: }
1222: /* copy the last EOS char */
1223: *dest = *src;
1224:
1225: return (change);
1226: }
1227:
1228: /*----------------------------------------------------------------------
1229: CleanCopyFileURL
1230: Copies a file url from a src string to destination string.
1.97 cvs 1231: convertion says which type of convertion (none, %xx, URL_SEP into DIR_SEP
1232: we want to do).
1.90 cvs 1233: ----------------------------------------------------------------------*/
1.106 cvs 1234: static void CleanCopyFileURL (char *dest, char *src,
1235: ConvertionType convertion)
1.90 cvs 1236: {
1237: while (*src)
1.89 cvs 1238: {
1.90 cvs 1239: switch (*src)
1.89 cvs 1240: {
1241: #ifdef _WINDOWS
1.106 cvs 1242: case URL_SEP:
1.96 cvs 1243: /* make DIR_SEP transformation */
1.97 cvs 1244: if (convertion & AM_CONV_URL_SEP)
1.106 cvs 1245: *dest = DIR_SEP;
1.96 cvs 1246: else
1247: *dest = *src;
1.90 cvs 1248: dest++;
1.96 cvs 1249: src++;
1.90 cvs 1250: break;
1.89 cvs 1251: #endif /* _WINDOWS */
1.96 cvs 1252:
1.106 cvs 1253: case '%':
1.97 cvs 1254: if (convertion & AM_CONV_PERCENT)
1.96 cvs 1255: {
1.97 cvs 1256: /* (code adapted from libwww's HTUnEscape function */
1.96 cvs 1257: src++;
1.106 cvs 1258: if (*src != EOS)
1.97 cvs 1259: {
1260: *dest = UnEscapeChar (*src) * 16;
1261: src++;
1262: }
1.106 cvs 1263: if (*src != EOS)
1.97 cvs 1264: {
1265: *dest = *dest + UnEscapeChar (*src);
1266: src++;
1267: }
1268: dest++;
1.96 cvs 1269: }
1.97 cvs 1270: else
1.96 cvs 1271: {
1.97 cvs 1272: *dest = *src;
1273: dest++;
1.96 cvs 1274: src++;
1275: }
1276: break;
1277:
1.90 cvs 1278: default:
1279: *dest = *src;
1.89 cvs 1280: dest++;
1.96 cvs 1281: src++;
1.90 cvs 1282: break;
1.89 cvs 1283: }
1284: }
1.90 cvs 1285: /* copy the EOS char */
1286: *dest = *src;
1.73 cvs 1287: }
1.40 cvs 1288:
1289: /*----------------------------------------------------------------------
1.9 cvs 1290: NormalizeURL
1291: normalizes orgName according to a base associated with doc, and
1292: following the standard URL format rules.
1.113 cvs 1293: if doc is < 0, use as a base the URL of the document that contains
1294: (or contained) the elements that are now in the copy/cut buffer.
1.53 cvs 1295: if doc is 0 and otherPath not NULL, normalizes orgName according to this
1296: other path.
1.9 cvs 1297: The function returns the new complete and normalized URL
1.12 cvs 1298: or file name path (newName) and the name of the document (docName).
1.9 cvs 1299: N.B. If the function can't find out what's the docName, it assigns
1300: the name "noname.html".
1.4 cvs 1301: ----------------------------------------------------------------------*/
1.106 cvs 1302: void NormalizeURL (char *orgName, Document doc, char *newName,
1303: char *docName, char *otherPath)
1304: {
1305: char *basename;
1306: char tempOrgName[MAX_LENGTH];
1307: char *ptr;
1308: char used_sep;
1.84 cvs 1309: int length;
1310: ThotBool check;
1.5 cvs 1311:
1.110 cvs 1312: #ifdef _WINDOWS
1.44 cvs 1313: int ndx;
1.110 cvs 1314: #endif /* _WINDOWS */
1.44 cvs 1315:
1.5 cvs 1316: if (!newName || !docName)
1317: return;
1.18 cvs 1318:
1.113 cvs 1319: if (doc < 0)
1320: basename = TtaStrdup (SavedDocumentURL);
1321: else if (doc > 0)
1.53 cvs 1322: basename = GetBaseURL (doc);
1323: else if (otherPath != NULL)
1.108 cvs 1324: basename = TtaStrdup (otherPath);
1.32 cvs 1325: else
1.53 cvs 1326: basename = NULL;
1.32 cvs 1327:
1.18 cvs 1328: /*
1.31 cvs 1329: * Clean orgName
1330: * Make sure we have a complete orgName, without any leading or trailing
1331: * white spaces, or trailinbg new lines
1332: */
1.5 cvs 1333: ptr = orgName;
1.18 cvs 1334: /* skip leading white space and new line characters */
1.106 cvs 1335: while ((*ptr == SPACE || *ptr == EOL) && *ptr++ != EOS);
1336: strncpy (tempOrgName, ptr, MAX_LENGTH -1);
1337: tempOrgName[MAX_LENGTH -1] = EOS;
1.18 cvs 1338: /*
1.31 cvs 1339: * Make orgName a complete URL
1340: * If the URL does not include a protocol, then try to calculate
1341: * one using the doc's base element (if it exists),
1342: */
1.106 cvs 1343: if (tempOrgName[0] == EOS)
1.53 cvs 1344: {
1.106 cvs 1345: newName[0] = EOS;
1346: docName[0] = EOS;
1.53 cvs 1347: TtaFreeMemory (basename);
1348: return;
1349: }
1.49 cvs 1350:
1351: /* clean trailing white space */
1.106 cvs 1352: length = strlen (tempOrgName) - 1;
1353: while (tempOrgName[length] == SPACE && tempOrgName[length] == EOL)
1.53 cvs 1354: {
1.106 cvs 1355: tempOrgName[length] = EOS;
1.53 cvs 1356: length--;
1357: }
1.50 cvs 1358:
1.55 cvs 1359: /* remove extra dot (which dot???) */
1360: /* ugly, but faster than a strcmp */
1.106 cvs 1361: if (tempOrgName[length] == '.'
1362: && (length == 0 || tempOrgName[length-1] != '.'))
1363: tempOrgName[length] = EOS;
1.50 cvs 1364:
1.94 cvs 1365: if (IsW3Path (tempOrgName))
1.53 cvs 1366: {
1367: /* the name is complete, go to the Sixth Step */
1.106 cvs 1368: strcpy (newName, tempOrgName);
1.53 cvs 1369: SimplifyUrl (&newName);
1370: /* verify if the URL has the form "protocol://server:port" */
1.110 cvs 1371: ptr = AmayaParseUrl (newName, "", AMAYA_PARSE_ACCESS |
1372: AMAYA_PARSE_HOST |
1373: AMAYA_PARSE_PUNCTUATION);
1374: if (ptr && !strcmp (ptr, newName))
1375: /* it has this form, we complete it by adding a DIR_STR */
1.106 cvs 1376: strcat (newName, URL_STR);
1.49 cvs 1377:
1.53 cvs 1378: if (ptr)
1.50 cvs 1379: TtaFreeMemory (ptr);
1.53 cvs 1380: }
1.113 cvs 1381: else if (basename == NULL)
1.53 cvs 1382: /* the name is complete, go to the Sixth Step */
1.106 cvs 1383: strcpy (newName, tempOrgName);
1.53 cvs 1384: else
1385: {
1.31 cvs 1386: /* Calculate the absolute URL, using the base or document URL */
1.110 cvs 1387: #ifdef _WINDOWS
1.53 cvs 1388: if (!IsW3Path (basename))
1389: {
1.106 cvs 1390: length = strlen (tempOrgName);
1.53 cvs 1391: for (ndx = 0; ndx < length; ndx++)
1.106 cvs 1392: if (tempOrgName [ndx] == '/')
1393: tempOrgName [ndx] = '\\';
1.53 cvs 1394: }
1.110 cvs 1395: #endif /* _WINDOWS */
1.25 cvs 1396: ptr = AmayaParseUrl (tempOrgName, basename, AMAYA_PARSE_ALL);
1.53 cvs 1397: if (ptr)
1398: {
1399: SimplifyUrl (&ptr);
1.106 cvs 1400: strcpy (newName, ptr);
1.53 cvs 1401: TtaFreeMemory (ptr);
1402: }
1403: else
1.106 cvs 1404: newName[0] = EOS;
1.53 cvs 1405: }
1.36 cvs 1406:
1407: TtaFreeMemory (basename);
1.18 cvs 1408: /*
1.31 cvs 1409: * Prepare the docname that will refer to this ressource in the
1410: * .amaya directory. If the new URL finishes on DIR_SEP, then use
1411: * noname.html as a default ressource name
1.18 cvs 1412: */
1.106 cvs 1413: if (newName[0] != EOS)
1.53 cvs 1414: {
1.106 cvs 1415: length = strlen (newName) - 1;
1416: if (newName[length] == URL_SEP || newName[length] == DIR_SEP)
1.53 cvs 1417: {
1418: used_sep = newName[length];
1419: check = TRUE;
1420: while (check)
1421: {
1.50 cvs 1422: length--;
1423: while (length >= 0 && newName[length] != used_sep)
1.53 cvs 1424: length--;
1.106 cvs 1425: if (!strncmp (&newName[length+1], "..", 2))
1.53 cvs 1426: {
1.106 cvs 1427: newName[length+1] = EOS;
1.53 cvs 1428: /* remove also previous directory */
1429: length--;
1430: while (length >= 0 && newName[length] != used_sep)
1431: length--;
1.106 cvs 1432: if (strncmp (&newName[length+1], "//", 2))
1.131 cheyroul 1433: /* don't remove server name */
1.106 cvs 1434: newName[length+1] = EOS;
1.53 cvs 1435: }
1.106 cvs 1436: else if (!strncmp (&newName[length+1], ".", 1))
1437: newName[length+1] = EOS;
1.50 cvs 1438: else
1.53 cvs 1439: check = FALSE;
1440: }
1441: /* docname was not comprised inside the URL, so let's */
1442: /* assign the default ressource name */
1.106 cvs 1443: strcpy (docName, "noname.html");
1.53 cvs 1444: }
1445: else
1446: { /* docname is comprised inside the URL */
1.110 cvs 1447: while (length >= 0 && newName[length] != URL_SEP &&
1448: newName[length] != DIR_SEP)
1.53 cvs 1449: length--;
1450: if (length < 0)
1.106 cvs 1451: strcpy (docName, newName);
1.53 cvs 1452: else
1.106 cvs 1453: strcpy (docName, &newName[length+1]);
1.53 cvs 1454: }
1455: }
1456: else
1.106 cvs 1457: docName[0] = EOS;
1.18 cvs 1458: }
1.3 cvs 1459:
1.4 cvs 1460: /*----------------------------------------------------------------------
1.9 cvs 1461: IsSameHost
1.4 cvs 1462: ----------------------------------------------------------------------*/
1.106 cvs 1463: ThotBool IsSameHost (const char *url1, const char *url2)
1.3 cvs 1464: {
1.106 cvs 1465: char *basename_ptr1, *basename_ptr2;
1466: ThotBool result;
1.3 cvs 1467:
1.106 cvs 1468: basename_ptr1 = AmayaParseUrl (url1, "",
1469: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1470: basename_ptr2 = AmayaParseUrl (url2, "",
1471: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1.3 cvs 1472:
1.106 cvs 1473: if (strcmp (basename_ptr1, basename_ptr2))
1474: result = FALSE;
1475: else
1476: result = TRUE;
1477: TtaFreeMemory (basename_ptr1);
1478: TtaFreeMemory (basename_ptr2);
1479: return (result);
1.3 cvs 1480: }
1481:
1482:
1.4 cvs 1483: /*----------------------------------------------------------------------
1.22 cvs 1484: HasKnownFileSuffix
1485: returns TRUE if path points to a file ending with a suffix.
1486: ----------------------------------------------------------------------*/
1.153 vatton 1487: ThotBool HasKnownFileSuffix (const char *path)
1.106 cvs 1488: {
1489: char *root;
1490: char temppath[MAX_LENGTH];
1491: char suffix[MAX_LENGTH];
1.22 cvs 1492:
1.106 cvs 1493: if (!path || path[0] == EOS || path[strlen(path)] == DIR_SEP)
1.22 cvs 1494: return (FALSE);
1495:
1.106 cvs 1496: root = AmayaParseUrl(path, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.22 cvs 1497:
1498: if (root)
1499: {
1.106 cvs 1500: strcpy (temppath, root);
1.25 cvs 1501: TtaFreeMemory (root);
1.22 cvs 1502: /* Get the suffix */
1.124 vatton 1503: TtaExtractSuffix (temppath, suffix);
1.22 cvs 1504:
1.106 cvs 1505: if( suffix[0] == EOS)
1.22 cvs 1506: /* no suffix */
1507: return (FALSE);
1508:
1509: /* Normalize the suffix */
1510: ConvertToLowerCase (suffix);
1511:
1.106 cvs 1512: if (!strcmp (suffix, "gz"))
1.22 cvs 1513: /* skip the compressed suffix */
1514: {
1.124 vatton 1515: TtaExtractSuffix (temppath, suffix);
1.106 cvs 1516: if(suffix[0] == EOS)
1.22 cvs 1517: /* no suffix */
1518: return (FALSE);
1519: /* Normalize the suffix */
1520: ConvertToLowerCase (suffix);
1521: }
1522:
1.106 cvs 1523: if (strcmp (suffix, "gif") &&
1524: strcmp (suffix, "xbm") &&
1525: strcmp (suffix, "xpm") &&
1526: strcmp (suffix, "jpg") &&
1527: strcmp (suffix, "pdf") &&
1528: strcmp (suffix, "png") &&
1529: strcmp (suffix, "tgz") &&
1530: strcmp (suffix, "xpg") &&
1531: strcmp (suffix, "xpd") &&
1532: strcmp (suffix, "ps") &&
1533: strcmp (suffix, "au") &&
1534: strcmp (suffix, "html") &&
1535: strcmp (suffix, "htm") &&
1536: strcmp (suffix, "shtml") &&
1537: strcmp (suffix, "xht") &&
1538: strcmp (suffix, "xhtm") &&
1539: strcmp (suffix, "xhtml") &&
1540: strcmp (suffix, "txt") &&
1541: strcmp (suffix, "css") &&
1542: strcmp (suffix, "eps"))
1.22 cvs 1543: return (FALSE);
1544: else
1545: return (TRUE);
1546: }
1547: else
1548: return (FALSE);
1549: }
1550:
1551:
1552: /*----------------------------------------------------------------------
1.24 cvs 1553: ChopURL
1554: Gives back a URL no longer than MAX_PRINT_URL_LENGTH chars (outputURL).
1555: If inputURL is bigger than that size, outputURL receives
1556: MAX_PRINT_URL_LENGTH / 2 chars from the beginning of inputURL, "...",
1557: and MAX_PRINT_URL_LENGTH / 2 chars from the end of inputURL.
1558: If inputURL is not longer than MAX_PRINT_URL_LENGTH chars, it gets
1559: copied into outputURL.
1560: N.B.: outputURL must point to a memory block of MAX_PRINT_URL_LENGTH
1561: chars.
1562: ----------------------------------------------------------------------*/
1.106 cvs 1563: void ChopURL (char *outputURL, const char *inputURL)
1.24 cvs 1564: {
1565: int len;
1.9 cvs 1566:
1.106 cvs 1567: len = strlen (inputURL);
1.24 cvs 1568: if (len <= MAX_PRINT_URL_LENGTH)
1.106 cvs 1569: strcpy (outputURL, inputURL);
1.24 cvs 1570: else
1571: /* make a truncated urlName on the status window */
1572: {
1.106 cvs 1573: strncpy (outputURL, inputURL, MAX_PRINT_URL_LENGTH / 2);
1574: outputURL [MAX_PRINT_URL_LENGTH / 2] = EOS;
1575: strcat (outputURL, "...");
1576: strcat (outputURL, &(inputURL[len - MAX_PRINT_URL_LENGTH / 2 ]));
1.24 cvs 1577: }
1.25 cvs 1578: }
1579:
1580:
1581: /*----------------------------------------------------------------------
1582: scan
1.47 cvs 1583: Scan a filename for its constituents
1.25 cvs 1584: -----------------------------------
1585:
1586: On entry,
1587: name points to a document name which may be incomplete.
1588: On exit,
1589: absolute or relative may be nonzero (but not both).
1590: host, fragment and access may be nonzero if they were specified.
1591: Any which are nonzero point to zero terminated strings.
1592: ----------------------------------------------------------------------*/
1.106 cvs 1593: static void scan (char *name, HTURI *parts)
1.25 cvs 1594: {
1.106 cvs 1595: char * p;
1596: char * after_access = name;
1.32 cvs 1597:
1.43 cvs 1598: memset (parts, '\0', sizeof (HTURI));
1.28 cvs 1599: /* Look for fragment identifier */
1.106 cvs 1600: if ((p = strchr(name, '#')) != NULL)
1.28 cvs 1601: {
1.106 cvs 1602: *p++ = '\0';
1.28 cvs 1603: parts->fragment = p;
1.25 cvs 1604: }
1605:
1.28 cvs 1606: for (p=name; *p; p++)
1607: {
1.106 cvs 1608: if (*p == URL_SEP || *p == DIR_SEP || *p == '#' || *p == '?')
1.28 cvs 1609: break;
1.106 cvs 1610: if (*p == ':')
1.28 cvs 1611: {
1612: *p = 0;
1613: parts->access = after_access; /* Scheme has been specified */
1614:
1615: /* The combination of gcc, the "-O" flag and the HP platform is
1616: unhealthy. The following three lines is a quick & dirty fix, but is
1617: not recommended. Rather, turn off "-O". */
1618:
1619: /* after_access = p;*/
1620: /* while (*after_access == 0)*/
1621: /* after_access++;*/
1622: after_access = p+1;
1.106 cvs 1623: if (!strcasecmp("URL", parts->access))
1.28 cvs 1624: /* Ignore IETF's URL: pre-prefix */
1625: parts->access = NULL;
1626: else
1.25 cvs 1627: break;
1628: }
1629: }
1630:
1631: p = after_access;
1.43 cvs 1632: if (*p == URL_SEP || *p == DIR_SEP)
1.28 cvs 1633: {
1.43 cvs 1634: if (p[1] == URL_SEP)
1.28 cvs 1635: {
1.25 cvs 1636: parts->host = p+2; /* host has been specified */
1.28 cvs 1637: *p = 0; /* Terminate access */
1638: /* look for end of host name if any */
1.106 cvs 1639: p = strchr (parts->host, URL_SEP);
1.28 cvs 1640: if (p)
1641: {
1.106 cvs 1642: *p = EOS; /* Terminate host */
1.25 cvs 1643: parts->absolute = p+1; /* Root has been found */
1.28 cvs 1644: }
1645: }
1646: else
1647: /* Root found but no host */
1648: parts->absolute = p+1;
1649: }
1650: else
1651: {
1.25 cvs 1652: parts->relative = (*after_access) ? after_access : 0; /* zero for "" */
1.28 cvs 1653: }
1.25 cvs 1654: }
1655:
1656:
1657: /*----------------------------------------------------------------------
1.28 cvs 1658: AmayaParseUrl: parse a Name relative to another name
1659:
1660: This returns those parts of a name which are given (and requested)
1661: substituting bits from the related name where necessary.
1.25 cvs 1662:
1.28 cvs 1663: On entry,
1.25 cvs 1664: aName A filename given
1665: relatedName A name relative to which aName is to be parsed. Give
1666: it an empty string if aName is absolute.
1667: wanted A mask for the bits which are wanted.
1668:
1.28 cvs 1669: On exit,
1.25 cvs 1670: returns A pointer to a malloc'd string which MUST BE FREED
1671: ----------------------------------------------------------------------*/
1.106 cvs 1672: char *AmayaParseUrl (const char *aName, char *relatedName, int wanted)
1673: {
1674: char *return_value;
1675: char result[MAX_LENGTH];
1676: char name[MAX_LENGTH];
1677: char rel[MAX_LENGTH];
1678: char *p, *access;
1.29 cvs 1679: HTURI given, related;
1680: int len;
1.106 cvs 1681: char used_sep;
1682: char *used_str;
1.32 cvs 1683:
1.106 cvs 1684: if (strchr (aName, DIR_SEP) || strchr (relatedName, DIR_SEP))
1.33 cvs 1685: {
1.106 cvs 1686: used_str = DIR_STR;
1687: used_sep = DIR_SEP;
1.33 cvs 1688: }
1.32 cvs 1689: else
1.33 cvs 1690: {
1.106 cvs 1691: used_str = URL_STR;
1692: used_sep = URL_SEP;
1.33 cvs 1693: }
1.32 cvs 1694:
1.29 cvs 1695: /* Make working copies of input strings to cut up: */
1696: return_value = NULL;
1697: result[0] = 0; /* Clear string */
1.106 cvs 1698: strcpy (name, aName);
1.29 cvs 1699: if (relatedName != NULL)
1.106 cvs 1700: strcpy (rel, relatedName);
1.29 cvs 1701: else
1.106 cvs 1702: relatedName[0] = EOS;
1.29 cvs 1703:
1704: scan (name, &given);
1705: scan (rel, &related);
1706: access = given.access ? given.access : related.access;
1707: if (wanted & AMAYA_PARSE_ACCESS)
1708: if (access)
1709: {
1.106 cvs 1710: strcat (result, access);
1.29 cvs 1711: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1712: strcat (result, ":");
1.29 cvs 1713: }
1714:
1715: if (given.access && related.access)
1716: /* If different, inherit nothing. */
1.106 cvs 1717: if (strcmp (given.access, related.access) != 0)
1.29 cvs 1718: {
1719: related.host = 0;
1720: related.absolute = 0;
1721: related.relative = 0;
1722: related.fragment = 0;
1723: }
1724:
1725: if (wanted & AMAYA_PARSE_HOST)
1726: if(given.host || related.host)
1727: {
1728: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1729: strcat (result, "//");
1730: strcat (result, given.host ? given.host : related.host);
1.29 cvs 1731: }
1732:
1733: if (given.host && related.host)
1734: /* If different hosts, inherit no path. */
1.106 cvs 1735: if (strcmp (given.host, related.host) != 0)
1.29 cvs 1736: {
1737: related.absolute = 0;
1738: related.relative = 0;
1739: related.fragment = 0;
1740: }
1741:
1742: if (wanted & AMAYA_PARSE_PATH)
1743: {
1744: if (given.absolute)
1745: {
1746: /* All is given */
1747: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1748: strcat (result, used_str);
1749: strcat (result, given.absolute);
1.25 cvs 1750: }
1.29 cvs 1751: else if (related.absolute)
1752: {
1753: /* Adopt path not name */
1.106 cvs 1754: strcat (result, used_str);
1755: strcat (result, related.absolute);
1.29 cvs 1756: if (given.relative)
1757: {
1758: /* Search part? */
1.106 cvs 1759: p = strchr (result, '?');
1.29 cvs 1760: if (!p)
1.106 cvs 1761: p=result+strlen(result)-1;
1.33 cvs 1762: for (; *p!=used_sep; p--); /* last / */
1.29 cvs 1763: /* Remove filename */
1764: p[1]=0;
1765: /* Add given one */
1.106 cvs 1766: strcat (result, given.relative);
1.25 cvs 1767: }
1768: }
1.29 cvs 1769: else if (given.relative)
1770: /* what we've got */
1.106 cvs 1771: strcat (result, given.relative);
1.29 cvs 1772: else if (related.relative)
1.106 cvs 1773: strcat (result, related.relative);
1.29 cvs 1774: else
1775: /* No inheritance */
1.106 cvs 1776: strcat (result, used_str);
1.25 cvs 1777: }
1.29 cvs 1778:
1779: if (wanted & AMAYA_PARSE_ANCHOR)
1780: if (given.fragment || related.fragment)
1781: {
1782: if (given.absolute && given.fragment)
1783: {
1784: /*Fixes for relURLs...*/
1785: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1786: strcat (result, "#");
1787: strcat (result, given.fragment);
1.29 cvs 1788: }
1789: else if (!(given.absolute) && !(given.fragment))
1.106 cvs 1790: strcat (result, "");
1.29 cvs 1791: else
1792: {
1.110 cvs 1793: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1794: strcat (result, "#");
1.110 cvs 1795: strcat (result, given.fragment ? given.fragment : related.fragment);
1.29 cvs 1796: }
1797: }
1.106 cvs 1798: len = strlen (result);
1799: if ((return_value = TtaGetMemory (len + 1)) != NULL)
1800: strcpy (return_value, result);
1.29 cvs 1801: return (return_value); /* exactly the right length */
1.25 cvs 1802: }
1803:
1804: /*----------------------------------------------------------------------
1805: HTCanon
1806: Canonicalizes the URL in the following manner starting from the host
1807: pointer:
1808:
1809: 1) The host name is converted to lowercase
1810: 2) Chop off port if `:80' (http), `:70' (gopher), or `:21' (ftp)
1811:
1812: Return: OK The position of the current path part of the URL
1813: which might be the old one or a new one.
1814:
1815: ----------------------------------------------------------------------*/
1.106 cvs 1816: static char *HTCanon (char **filename, char *host)
1817: {
1818: char *newname = NULL;
1819: char used_sep;
1820: char *path;
1821: char *strptr;
1822: char *port;
1823: char *access = host-3;
1824:
1825: if (*filename && strchr (*filename, URL_SEP))
1826: used_sep = URL_SEP;
1.33 cvs 1827: else
1.106 cvs 1828: used_sep = DIR_SEP;
1.32 cvs 1829:
1.110 cvs 1830: while (access > *filename && *(access - 1) != used_sep) /* Find access method */
1.25 cvs 1831: access--;
1.110 cvs 1832: if ((path = strchr (host, used_sep)) == NULL) /* Find path */
1.106 cvs 1833: path = host + strlen (host);
1834: if ((strptr = strchr (host, '@')) != NULL && strptr < path) /* UserId */
1.82 cvs 1835: host = strptr;
1.110 cvs 1836: if ((port = strchr (host, ':')) != NULL && port > path) /* Port number */
1.82 cvs 1837: port = NULL;
1.25 cvs 1838:
1839: strptr = host; /* Convert to lower-case */
1.82 cvs 1840: while (strptr < path)
1.33 cvs 1841: {
1.123 vatton 1842: *strptr = tolower (*strptr);
1.82 cvs 1843: strptr++;
1.33 cvs 1844: }
1.25 cvs 1845:
1846: /* Does the URL contain a full domain name? This also works for a
1847: numerical host name. The domain name is already made lower-case
1848: and without a trailing dot. */
1849: {
1.106 cvs 1850: char *dot = port ? port : path;
1851: if (dot > *filename && *--dot == '.')
1.33 cvs 1852: {
1.106 cvs 1853: char *orig = dot;
1854: char *dest = dot + 1;
1.82 cvs 1855: while ((*orig++ = *dest++));
1856: if (port) port--;
1.33 cvs 1857: path--;
1.25 cvs 1858: }
1859: }
1860: /* Chop off port if `:', `:80' (http), `:70' (gopher), or `:21' (ftp) */
1.33 cvs 1861: if (port)
1862: {
1.82 cvs 1863: if (!*(port+1) || *(port+1) == used_sep)
1.33 cvs 1864: {
1865: if (!newname)
1866: {
1.106 cvs 1867: char *orig = port;
1868: char *dest = port + 1;
1.82 cvs 1869: while ((*orig++ = *dest++));
1.33 cvs 1870: }
1871: }
1.106 cvs 1872: else if ((!strncmp (access, "http", 4) &&
1873: (*(port + 1) == '8' &&
1874: *(port+2) == '0' &&
1.82 cvs 1875: (*(port+3) == used_sep || !*(port + 3)))) ||
1.106 cvs 1876: (!strncmp (access, "gopher", 6) &&
1877: (*(port+1) == '7' &&
1878: *(port+2) == '0' &&
1.82 cvs 1879: (*(port+3) == used_sep || !*(port+3)))) ||
1.106 cvs 1880: (!strncmp (access, "ftp", 3) &&
1881: (*(port+1) == '2' &&
1882: *(port + 2) == '1' &&
1.82 cvs 1883: (*(port+3) == used_sep || !*(port+3))))) {
1.33 cvs 1884: if (!newname)
1885: {
1.106 cvs 1886: char *orig = port;
1887: char *dest = port + 3;
1.33 cvs 1888: while((*orig++ = *dest++));
1889: /* Update path position, Henry Minsky */
1890: path -= 3;
1.25 cvs 1891: }
1.33 cvs 1892: }
1893: else if (newname)
1.106 cvs 1894: strncat (newname, port, (int) (path - port));
1.33 cvs 1895: }
1.25 cvs 1896:
1.33 cvs 1897: if (newname)
1898: {
1.106 cvs 1899: char *newpath = newname + strlen (newname);
1900: strcat (newname, path);
1.25 cvs 1901: path = newpath;
1.28 cvs 1902: /* Free old copy */
1903: TtaFreeMemory(*filename);
1.25 cvs 1904: *filename = newname;
1.33 cvs 1905: }
1.25 cvs 1906: return path;
1907: }
1908:
1909:
1910: /*----------------------------------------------------------------------
1.29 cvs 1911: SimplifyUrl: simplify a URI
1.32 cvs 1912: A URI is allowed to contain the sequence xxx/../ which may be
1913: replaced by "" , and the sequence "/./" which may be replaced by DIR_STR.
1.28 cvs 1914: Simplification helps us recognize duplicate URIs.
1.25 cvs 1915:
1.28 cvs 1916: Thus, /etc/junk/../fred becomes /etc/fred
1917: /etc/junk/./fred becomes /etc/junk/fred
1.25 cvs 1918:
1.28 cvs 1919: but we should NOT change
1920: http://fred.xxx.edu/../..
1.25 cvs 1921:
1922: or ../../albert.html
1923:
1.28 cvs 1924: In order to avoid empty URLs the following URLs become:
1.25 cvs 1925:
1926: /fred/.. becomes /fred/..
1927: /fred/././.. becomes /fred/..
1928: /fred/.././junk/.././ becomes /fred/..
1929:
1.28 cvs 1930: If more than one set of `://' is found (several proxies in cascade) then
1931: only the part after the last `://' is simplified.
1.25 cvs 1932:
1.28 cvs 1933: Returns: A string which might be the old one or a new one.
1.25 cvs 1934: ----------------------------------------------------------------------*/
1.106 cvs 1935: void SimplifyUrl (char **url)
1936: {
1937: char *path;
1938: char *access;
1939: char *newptr;
1940: char *p;
1941: char *orig, *dest, *end;
1.28 cvs 1942:
1.106 cvs 1943: char used_sep;
1.77 cvs 1944: ThotBool ddot_simplify; /* used to desactivate the double dot simplifcation:
1945: something/../ simplification in relative URLs when they start with a ../ */
1.32 cvs 1946:
1.28 cvs 1947: if (!url || !*url)
1948: return;
1949:
1.106 cvs 1950: if (strchr (*url, URL_SEP))
1951: used_sep = URL_SEP;
1.32 cvs 1952: else
1.106 cvs 1953: used_sep = DIR_SEP;
1.32 cvs 1954:
1.77 cvs 1955: /* should we simplify double dot? */
1956: path = *url;
1.106 cvs 1957: if (*path == '.' && *(path + 1) == '.')
1.77 cvs 1958: ddot_simplify = FALSE;
1959: else
1960: ddot_simplify = TRUE;
1961:
1.28 cvs 1962: /* Find any scheme name */
1.106 cvs 1963: if ((path = strstr (*url, "://")) != NULL)
1.33 cvs 1964: {
1965: /* Find host name */
1.28 cvs 1966: access = *url;
1.123 vatton 1967: while (access < path && (*access = tolower (*access)))
1.82 cvs 1968: access++;
1.28 cvs 1969: path += 3;
1.106 cvs 1970: while ((newptr = strstr (path, "://")) != NULL)
1.82 cvs 1971: /* For proxies */
1.106 cvs 1972: path = newptr + 3;
1.82 cvs 1973: /* We have a host name */
1.84 cvs 1974: path = HTCanon (url, path);
1.25 cvs 1975: }
1.106 cvs 1976: else if ((path = strstr (*url, ":/")) != NULL)
1.28 cvs 1977: path += 2;
1978: else
1979: path = *url;
1.84 cvs 1980: if (*path == used_sep && *(path+1) == used_sep)
1.28 cvs 1981: /* Some URLs start //<foo> */
1982: path += 1;
1.94 cvs 1983: else if (IsFilePath (path))
1984: {
1985: /* doesn't need to do anything more */
1986: return;
1987: }
1.106 cvs 1988: else if (!strncmp (path, "news:", 5))
1.28 cvs 1989: {
1.106 cvs 1990: newptr = strchr (path+5, '@');
1.28 cvs 1991: if (!newptr)
1992: newptr = path + 5;
1993: while (*newptr)
1994: {
1995: /* Make group or host lower case */
1.123 vatton 1996: *newptr = tolower (*newptr);
1.28 cvs 1997: newptr++;
1.25 cvs 1998: }
1.28 cvs 1999: /* Doesn't need to do any more */
2000: return;
1.25 cvs 2001: }
1.130 cheyroul 2002:
1.126 cheyroul 2003:
1.28 cvs 2004: if ((p = path))
2005: {
1.106 cvs 2006: if (!((end = strchr (path, ';')) || (end = strchr (path, '?')) ||
2007: (end = strchr (path, '#'))))
2008: end = path + strlen (path);
1.28 cvs 2009:
2010: /* Parse string second time to simplify */
2011: p = path;
2012: while (p < end)
2013: {
1.110 cvs 2014: /* if we're pointing to a char, it's safe to reactivate the
2015: ../ convertion */
1.106 cvs 2016: if (!ddot_simplify && *p != '.' && *p != used_sep)
1.77 cvs 2017: ddot_simplify = TRUE;
2018:
1.33 cvs 2019: if (*p==used_sep)
1.28 cvs 2020: {
1.106 cvs 2021: if (p > *url && *(p+1) == '.' && (*(p+2) == used_sep || !*(p+2)))
1.28 cvs 2022: {
2023: orig = p + 1;
1.84 cvs 2024: dest = (*(p+2) != used_sep) ? p+2 : p+3;
1.52 cvs 2025: while ((*orig++ = *dest++)); /* Remove a used_sep and a dot*/
1.28 cvs 2026: end = orig - 1;
2027: }
1.106 cvs 2028: else if (ddot_simplify && *(p+1) == '.' && *(p+2) == '.'
1.77 cvs 2029: && (*(p+3) == used_sep || !*(p+3)))
1.28 cvs 2030: {
2031: newptr = p;
1.52 cvs 2032: while (newptr>path && *--newptr!=used_sep); /* prev used_sep */
2033: if (*newptr == used_sep)
2034: orig = newptr + 1;
1.28 cvs 2035: else
1.52 cvs 2036: orig = newptr;
2037:
2038: dest = (*(p+3) != used_sep) ? p+3 : p+4;
2039: while ((*orig++ = *dest++)); /* Remove /xxx/.. */
2040: end = orig-1;
2041: /* Start again with prev slash */
2042: p = newptr;
1.28 cvs 2043: }
1.33 cvs 2044: else if (*(p+1) == used_sep)
1.28 cvs 2045: {
1.33 cvs 2046: while (*(p+1) == used_sep)
1.28 cvs 2047: {
2048: orig = p;
2049: dest = p + 1;
2050: while ((*orig++ = *dest++)); /* Remove multiple /'s */
2051: end = orig-1;
2052: }
2053: }
2054: else
1.25 cvs 2055: p++;
1.28 cvs 2056: }
2057: else
2058: p++;
1.25 cvs 2059: }
2060: }
1.51 cvs 2061: /*
2062: ** Check for host/../.. kind of things
2063: */
1.106 cvs 2064: if (*path == used_sep && *(path+1) == '.' && *(path+2) == '.'
1.77 cvs 2065: && (!*(path+3) || *(path+3) == used_sep))
1.106 cvs 2066: *(path+1) = EOS;
1.28 cvs 2067: return;
2068: }
2069:
2070:
2071: /*----------------------------------------------------------------------
1.96 cvs 2072: NormalizeFile normalizes local names.
1.28 cvs 2073: Return TRUE if target and src differ.
2074: ----------------------------------------------------------------------*/
1.106 cvs 2075: ThotBool NormalizeFile (char *src, char *target, ConvertionType convertion)
1.28 cvs 2076: {
1.110 cvs 2077: #ifndef _WINDOWS
1.106 cvs 2078: char *s;
1.93 cvs 2079: int i;
1.110 cvs 2080: #endif /* !_WINDOWS */
1.82 cvs 2081: ThotBool change;
1.90 cvs 2082: int start_index; /* the first char that we'll copy */
1.28 cvs 2083:
1.54 cvs 2084: change = FALSE;
1.90 cvs 2085: start_index = 0;
2086:
1.106 cvs 2087: if (!src || src[0] == EOS)
1.96 cvs 2088: {
1.106 cvs 2089: target[0] = EOS;
1.96 cvs 2090: return FALSE;
2091: }
1.90 cvs 2092:
2093: /* @@ do I need file: or file:/ here? */
1.106 cvs 2094: if (strncmp (src, "file:", 5) == 0)
1.28 cvs 2095: {
1.90 cvs 2096: /* remove the prefix file: */
2097: start_index += 5;
2098:
2099: /* remove the localhost prefix */
1.106 cvs 2100: if (strncmp (&src[start_index], "//localhost/", 12) == 0)
1.94 cvs 2101: start_index += 11;
2102:
2103: /* remove the first two slashes in / / /path */
2104: while (src[start_index] &&
1.106 cvs 2105: src[start_index] == '/'
2106: && src[start_index + 1] == '/')
1.94 cvs 2107: start_index++;
2108:
2109: #ifdef _WINDOWS
2110: /* remove any extra slash before the drive name */
1.106 cvs 2111: if (src[start_index] == '/'
2112: &&src[start_index+2] == ':')
1.94 cvs 2113: start_index++;
2114: #endif /* _WINDOWS */
1.90 cvs 2115:
1.106 cvs 2116: if (src[start_index] == EOS)
1.90 cvs 2117: /* if there's nothing afterwards, add a DIR_STR */
1.106 cvs 2118: strcpy (target, DIR_STR);
1.90 cvs 2119: else
1.97 cvs 2120: /* as we're inside a file: URL, we'll apply all the convertions
2121: we know */
2122: CleanCopyFileURL (target, &src[start_index], AM_CONV_ALL);
1.96 cvs 2123:
2124: change = TRUE;
2125: }
1.97 cvs 2126: else if (convertion != AM_CONV_NONE)
1.96 cvs 2127: {
2128: /* we are following a "local" relative link, we do all the
2129: convertions except for the HOME_DIR ~ one */
1.97 cvs 2130: CleanCopyFileURL (target, src, convertion);
1.28 cvs 2131: }
1.90 cvs 2132: #ifndef _WINDOWS
1.106 cvs 2133: else if (src[0] == '~')
1.53 cvs 2134: {
1.96 cvs 2135: /* it must be a URL typed in a text input field */
2136: /* do the HOME_DIR ~ substitution */
1.82 cvs 2137: s = TtaGetEnvString ("HOME");
1.106 cvs 2138: strcpy (target, s);
1.90 cvs 2139: #if 0
1.96 cvs 2140: /* JK: invalidated this part of the code as it's simpler
2141: to add the DIR_SEP whenever we have something to add
2142: to the path rather than adding it systematically */
1.106 cvs 2143: if (src[1] != DIR_SEP)
2144: strcat (target, DIR_STR);
1.90 cvs 2145: #endif
1.106 cvs 2146: i = strlen (target);
2147: strcpy (&target[i], &src[1]);
1.54 cvs 2148: change = TRUE;
1.53 cvs 2149: }
1.90 cvs 2150: #endif /* _WINDOWS */
1.28 cvs 2151: else
1.96 cvs 2152: /* leave it as it is */
1.106 cvs 2153: strcpy (target, src);
1.96 cvs 2154:
1.28 cvs 2155: /* remove /../ and /./ */
1.29 cvs 2156: SimplifyUrl (&target);
1.54 cvs 2157: if (!change)
1.106 cvs 2158: change = strcmp (src, target);
1.28 cvs 2159: return (change);
1.25 cvs 2160: }
2161:
1.28 cvs 2162:
1.25 cvs 2163: /*----------------------------------------------------------------------
1.31 cvs 2164: MakeRelativeURL: make relative name
1.25 cvs 2165:
1.28 cvs 2166: This function creates and returns a string which gives an expression of
2167: one address as related to another. Where there is no relation, an absolute
2168: address is retured.
1.25 cvs 2169:
1.28 cvs 2170: On entry,
1.25 cvs 2171: Both names must be absolute, fully qualified names of nodes
2172: (no fragment bits)
2173:
1.28 cvs 2174: On exit,
1.25 cvs 2175: The return result points to a newly allocated name which, if
2176: parsed by AmayaParseUrl relative to relatedName, will yield aName.
2177: The caller is responsible for freeing the resulting name later.
2178: ----------------------------------------------------------------------*/
1.106 cvs 2179: char *MakeRelativeURL (char *aName, char *relatedName)
2180: {
2181: char *return_value;
2182: char result[MAX_LENGTH];
2183: char *p;
2184: char *q;
2185: char *after_access;
2186: char *last_slash = NULL;
2187: int slashes, levels, len;
1.110 cvs 2188: #ifdef _WINDOWS
1.44 cvs 2189: int ndx;
1.110 cvs 2190: #endif /* _WINDOWS */
1.44 cvs 2191:
1.29 cvs 2192: if (aName == NULL || relatedName == NULL)
2193: return (NULL);
2194:
2195: slashes = 0;
2196: after_access = NULL;
2197: p = aName;
2198: q = relatedName;
1.147 vatton 2199: len = 0;
2200: for (; *p && !strncasecmp (p, q, 1); p++, q++, len++)
1.27 cvs 2201: {
2202: /* Find extent of match */
1.106 cvs 2203: if (*p == ':')
1.146 cvs 2204: {
2205: after_access = p + 1;
1.147 vatton 2206: if (len == 1)
2207: /* it's a local Windows path like c:... */
2208: slashes++;
1.146 cvs 2209: }
1.28 cvs 2210: if (*p == DIR_SEP)
1.27 cvs 2211: {
1.29 cvs 2212: /* memorize the last slash position and count them */
1.27 cvs 2213: last_slash = p;
2214: slashes++;
1.25 cvs 2215: }
2216: }
2217:
1.31 cvs 2218: /* q, p point to the first non-matching character or zero */
1.106 cvs 2219: if (*q == EOS)
1.31 cvs 2220: {
2221: /* New name is a subset of the related name */
2222: /* exactly the right length */
1.106 cvs 2223: len = strlen (p);
2224: if ((return_value = TtaGetMemory (len + 1)) != NULL)
2225: strcpy (return_value, p);
1.31 cvs 2226: }
2227: else if ((slashes < 2 && after_access == NULL)
2228: || (slashes < 3 && after_access != NULL))
2229: {
2230: /* Two names whitout common path */
2231: /* exactly the right length */
1.106 cvs 2232: len = strlen (aName);
2233: if ((return_value = TtaGetMemory (len + 1)) != NULL)
2234: strcpy (return_value, aName);
1.31 cvs 2235: }
2236: else
2237: {
2238: /* Some path in common */
1.106 cvs 2239: if (slashes == 3 && strncmp (aName, "http:", 5) == 0)
1.31 cvs 2240: /* just the same server */
1.106 cvs 2241: strcpy (result, last_slash);
1.31 cvs 2242: else
2243: {
2244: levels= 0;
1.106 cvs 2245: for (; *q && *q != '#' && *q != ';' && *q != '?'; q++)
1.31 cvs 2246: if (*q == DIR_SEP)
2247: levels++;
2248:
1.106 cvs 2249: result[0] = EOS;
1.31 cvs 2250: for (;levels; levels--)
1.106 cvs 2251: strcat (result, "../");
2252: strcat (result, last_slash+1);
1.31 cvs 2253: }
1.52 cvs 2254:
2255: if (!*result)
1.106 cvs 2256: strcat (result, "./");
1.52 cvs 2257:
1.31 cvs 2258: /* exactly the right length */
1.106 cvs 2259: len = strlen (result);
2260: if ((return_value = TtaGetMemory (len + 1)) != NULL)
2261: strcpy (return_value, result);
1.52 cvs 2262:
1.25 cvs 2263: }
1.110 cvs 2264: #ifdef _WINDOWS
1.106 cvs 2265: len = strlen (return_value);
1.44 cvs 2266: for (ndx = 0; ndx < len; ndx ++)
1.106 cvs 2267: if (return_value[ndx] == '\\')
2268: return_value[ndx] = '/' ;
1.110 cvs 2269: #endif /* _WINDOWS */
1.29 cvs 2270: return (return_value);
1.24 cvs 2271: }
1.35 cvs 2272:
1.104 kahan 2273: /*----------------------------------------------------------------------
2274: AM_GetFileSize
2275: Returns TRUE and the filesize in the 2nd parameter.
2276: Otherwise, in case of a system error, returns FALSE, with a
2277: filesize of 0L.
2278: ---------------------------------------------------------------------*/
1.106 cvs 2279: ThotBool AM_GetFileSize (char *filename, unsigned long *file_size)
1.104 kahan 2280: {
1.106 cvs 2281: ThotFileHandle handle = ThotFile_BADHANDLE;
2282: ThotFileInfo info;
1.35 cvs 2283:
1.104 kahan 2284: *file_size = 0L;
2285: if (!TtaFileExist (filename))
2286: return FALSE;
2287:
2288: handle = TtaFileOpen (filename, ThotFile_READWRITE);
2289: if (handle == ThotFile_BADHANDLE)
2290: /* ThotFile_BADHANDLE */
2291: return FALSE;
2292: if (TtaFileStat (handle, &info) == 0)
2293: /* bad stat */
2294: info.size = 0L;
2295: TtaFileClose (handle);
2296: *file_size = (unsigned long) info.size;
2297: return TRUE;
2298: }
1.139 kahan 2299:
2300: /*----------------------------------------------------------------------
2301: AM_UseXHTMLMimeType
2302: Returns TRUE if the user has configured Amaya to use this MIME type,
2303: FALSE otherwise.
2304: ---------------------------------------------------------------------*/
2305: ThotBool AM_UseXHTMLMimeType (void)
2306: {
2307: ThotBool xhtml_mimetype;
2308:
2309: /* does the user wants to use the new MIME type? */
2310: TtaGetEnvBoolean ("ENABLE_XHTML_MIMETYPE", &xhtml_mimetype);
2311:
2312: return (xhtml_mimetype);
1.152 kahan 2313: }
2314:
1.154 kahan 2315:
2316: /********************************************
2317: The following routines were adapted from the GNU libc functions
2318: for generating a tmpnam.
2319: *********************************************/
2320:
2321: /* These are the characters used in temporary filenames. */
2322: static const char letters[] =
2323: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
2324:
2325: /* Generate a temporary file name based on TMPL. TMPL must match the
2326: rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
2327: does not exist at the time of the call to __gen_tempname. TMPL is
2328: overwritten with the result.
2329:
2330: We use a clever algorithm to get hard-to-predict names. */
2331: void
2332: AM_gen_tempname (char *tmpl)
2333: {
2334: int len;
2335: char *XXXXXX;
2336: static uint64_t value;
2337: uint64_t random_time_bits;
2338: unsigned int count;
2339: int save_errno = errno;
2340: struct stat st;
2341:
2342: /* A lower bound on the number of temporary files to attempt to
2343: generate. The maximum total number of temporary file names that
2344: can exist for a given template is 62**6. It should never be
2345: necessary to try all these combinations. Instead if a reasonable
2346: number of names is tried (we define reasonable as 62**3) fail to
2347: give the system administrator the chance to remove the problems. */
2348: unsigned int attempts_min = 62 * 62 * 62;
2349:
2350: /* The number of times to attempt to generate a temporary file. To
2351: conform to POSIX, this must be no smaller than TMP_MAX. */
2352: unsigned int attempts = attempts_min < TMP_MAX ? TMP_MAX : attempts_min;
2353:
2354: len = strlen (tmpl);
2355: if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
2356: {
2357: /* @@ JK ? */
2358: errno = EINVAL;
2359: return;
2360: }
2361:
2362: /* This is where the Xs start. */
2363: XXXXXX = &tmpl[len - 6];
2364:
2365: /* Get some more or less random data. */
2366: #ifdef RANDOM_BITS
2367: RANDOM_BITS (random_time_bits);
2368: #else
2369: # if HAVE_GETTIMEOFDAY || _LIBC
2370: {
2371: struct timeval tv;
2372: gettimeofday (&tv, NULL);
2373: random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
2374: }
2375: # else
2376: random_time_bits = time (NULL);
2377: # endif
2378: #endif
2379: value += random_time_bits ^ getpid ();
2380:
2381: for (count = 0; count < attempts; value += 7777, ++count)
2382: {
2383: uint64_t v = value;
2384:
2385: /* Fill in the random bits. */
2386: XXXXXX[0] = letters[v % 62];
2387: v /= 62;
2388: XXXXXX[1] = letters[v % 62];
2389: v /= 62;
2390: XXXXXX[2] = letters[v % 62];
2391: v /= 62;
2392: XXXXXX[3] = letters[v % 62];
2393: v /= 62;
2394: XXXXXX[4] = letters[v % 62];
2395: v /= 62;
2396: XXXXXX[5] = letters[v % 62];
2397:
2398: /* This case is backward from the other three. AM_gen_tempname
2399: succeeds if __xstat fails because the name does not exist.
2400: Note the continue to bypass the common logic at the bottom
2401: of the loop. */
2402: if (stat (tmpl, &st) < 0)
2403: break;
2404:
2405: continue;
2406: }
2407:
2408: if (count == attempts || errno != ENOENT)
2409: tmpl[0] = EOS;
2410: else
2411: errno = save_errno;
2412:
2413: return;
2414: }
2415:
2416: #define JOSE 1
2417:
1.152 kahan 2418: /*-----------------------------------------------------------------------
2419: GetTempName
2420: Front end to the Unix tempnam function, which is independent of the
2421: value of the TMPDIR env value
2422: Returns a dynamically allocated string with a tempname. The user
2423: must free this memory.
2424: -----------------------------------------------------------------------*/
2425: char *GetTempName (const char *dir, const char *prefix)
2426: {
1.154 kahan 2427: #ifdef JOSE
2428:
1.162 ! kahan 2429: static char tmpbufmem[PATH_MAX + 1];
1.154 kahan 2430: int len;
2431: int i;
2432:
1.155 cvs 2433: if (!dir || *dir == EOS || !TtaDirExists (dir))
1.154 kahan 2434: return NULL;
2435:
1.162 ! kahan 2436: /* make sure that the name is no bigger than PATH_MAX + the 6 tempname chars we
! 2437: will add */
1.154 kahan 2438:
1.156 cvs 2439: len = strlen (dir);
1.162 ! kahan 2440: if (len + 6 > PATH_MAX)
1.154 kahan 2441: return NULL;
2442:
2443: /* copy the dir name, and add a DIR_SEP if it's missing */
2444: if (dir[strlen (dir) - 1] == DIR_SEP)
2445: strcpy (tmpbufmem, dir);
2446: else
1.156 cvs 2447: {
1.154 kahan 2448: sprintf (tmpbufmem, "%s%c", dir, DIR_SEP);
1.156 cvs 2449: len++;
2450: }
1.154 kahan 2451:
1.161 kahan 2452: /* copy the prefix (no more than L_tmpnam chars, to respect POSIX). Save
1.156 cvs 2453: space for the 6 X and EOS chars that will become the random bits */
2454: if (prefix)
2455: {
2456: i = 0;
2457: while (prefix[i] != EOL && i < L_tmpnam - 8)
2458: tmpbufmem[len++] = prefix[i++];
2459: tmpbufmem[len] = EOS;
2460: }
2461:
2462: /* Add the 6 X chars */
2463: len = strlen (tmpbufmem);
2464: i = 0;
2465: while (i < 6)
2466: {
2467: tmpbufmem[len++] = 'X';
2468: i++;
2469: }
2470: tmpbufmem[len] = EOS;
1.154 kahan 2471:
2472: AM_gen_tempname (tmpbufmem);
2473:
2474: if (tmpbufmem[0] == EOS)
2475: return NULL;
2476: else
2477: return (TtaStrdup (tmpbufmem));
2478:
2479: #else
1.152 kahan 2480: char *tmpdir;
2481: char *tmp;
2482: char *name = NULL;
2483:
2484: /* save the value of TMPDIR */
2485: tmp = getenv (TMPDIR);
2486:
2487: if (tmp)
2488: {
2489: tmpdir = TtaStrdup (tmp);
2490: }
2491: else
2492: tmpdir = NULL;
2493:
2494: /* remove TMPDIR from the environment */
2495: if (tmpdir)
2496: {
2497: tmp = TtaGetMemory (strlen (tmpdir) + 2);
2498: sprintf (tmp, "%s=", TMPDIR);
2499: #ifdef _WINDOWS
2500: _putenv (tmp);
2501: #else
2502: putenv (tmp);
2503: #endif /* _WINDOWS */
2504: }
2505:
2506: /* create the tempname */
2507: #ifdef _WINDOWS
2508: /* Under Windows, _tempnam returns the same name until the file is created */
2509: {
2510: char *altprefix;
2511: name = tmpnam (NULL); /* get a possibly unique string */
2512: altprefix = TtaGetMemory(strlen (prefix) + strlen(name) + 1);
2513: sprintf (altprefix, "%s%s", prefix, name + strlen(_P_tmpdir));
2514: name = _tempnam (dir, altprefix); /* get a name that isn't yet in use */
2515: TtaFreeMemory (altprefix);
2516: }
2517: #else
2518: name = tempnam (dir, prefix);
2519: #endif /* _WINDOWS */
2520:
2521: /* restore the value of TMPDIR */
2522: if (tmpdir)
2523: {
2524: #ifdef _WINDOWS
2525: _putenv (tmpdir);
2526: #else
2527: putenv (tmpdir);
2528: #endif /* _WINDOWS */
2529: /* Shouldn't be free (see man for putenv ()) */
2530: /* TtaFreeMemory (tmpdir); */
2531: }
2532: return (name);
1.154 kahan 2533: #endif
1.139 kahan 2534: }
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