/* Presenter for HTML
** ------------------
**
** This will convert from HTML to presentation or plain text.
**
** Override this if you have a windows version
*/
PUBLIC HTStream * HTMLPresent (HTRequest * request,
void * param,
HTFormat input_format,
HTFormat output_format,
HTStream * output_stream)
{
return SGML_new(HTML_dtd(), HTML_new(
request, NULL, input_format, output_format, output_stream));
}
/* HTConverter for HTML to C code
** ------------------------------
**
** C code is like plain text but all non-preformatted code
** is commented out.
** This will convert from HTML to presentation or plain text.
*/
PUBLIC HTStream * HTMLToC (HTRequest * request,
void * param,
HTFormat input_format,
HTFormat output_format,
HTStream * output_stream)
{
if (output_stream) {
HTStructured * html = NULL;
(*output_stream->isa->put_string)(output_stream, "/* "); /* Before title */
html = HTML_new(request, NULL, input_format, output_format, output_stream);
html->comment_start = "\n/* ";
html->dtd = HTML_dtd();
html->comment_end = " */\n"; /* Must start in col 1 for cpp */
return SGML_new(HTML_dtd(), html);
} else
return HTErrorStream();
}
/* Converter from WAIS Source to whatever
** --------------------------------------
*/
PUBLIC HTStream* HTWSRCConvert ARGS3(
HTPresentation *, pres,
HTParentAnchor *, anchor,
HTStream *, sink)
{
HTStream * me = (HTStream*) malloc(sizeof(*me));
if (!me) outofmem(__FILE__, "HTWSRCConvert");
me->isa = &WSRCParserClass;
me->target = HTML_new(anchor, pres->rep_out, sink);
{
int p;
for(p=0; p < PAR_COUNT; p++) { /* Clear out parameter values */
me->par_value[p] = 0;
}
}
me->state = beginning;
return me;
}
static int response(char *command,
char *sitename,
HTParentAnchor *anAnchor,
HTFormat format_out,
HTStream *sink)
{
int status;
int length = (int) strlen(command);
int ch, i;
char line[BIG], *l, *cmd = NULL;
char *p = line, *href = NULL;
if (length == 0)
return (-1);
/* Set up buffering.
*/
HTInitInput(finger_fd);
/* Send the command.
*/
CTRACE((tfp, "HTFinger command to be sent: %s", command));
status = (int) NETWRITE(finger_fd, (char *) command, (unsigned) length);
if (status < 0) {
CTRACE((tfp, "HTFinger: Unable to send command. Disconnecting.\n"));
NETCLOSE(finger_fd);
finger_fd = -1;
return status;
}
/* if bad status */
/* Make a hypertext object with an anchor list.
*/
target = HTML_new(anAnchor, format_out, sink);
targetClass = *target->isa; /* Copy routine entry points */
/* Create the results report.
*/
CTRACE((tfp, "HTFinger: Reading finger information\n"));
START(HTML_HTML);
PUTC('\n');
START(HTML_HEAD);
PUTC('\n');
START(HTML_TITLE);
PUTS("Finger server on ");
PUTS(sitename);
END(HTML_TITLE);
PUTC('\n');
END(HTML_HEAD);
PUTC('\n');
START(HTML_BODY);
PUTC('\n');
START(HTML_H1);
PUTS("Finger server on ");
START(HTML_EM);
PUTS(sitename);
END(HTML_EM);
PUTS(": ");
StrAllocCopy(cmd, command);
for (i = ((int) strlen(cmd) - 1); i >= 0; i--) {
if (cmd[i] == LF || cmd[i] == CR) {
cmd[i] = '\0';
} else {
break;
}
}
PUTS(cmd);
FREE(cmd);
END(HTML_H1);
PUTC('\n');
START(HTML_PRE);
while ((ch = NEXT_CHAR) != EOF) {
if (interrupted_in_htgetcharacter) {
CTRACE((tfp,
"HTFinger: Interrupted in HTGetCharacter, apparently.\n"));
_HTProgress(CONNECTION_INTERRUPTED);
goto end_html;
}
if (ch != LF) {
*p = (char) ch; /* Put character in line */
if (p < &line[BIG - 1]) {
p++;
}
} else {
*p = '\0'; /* Terminate line */
/*
* OK we now have a line.
* Load it as 'l' and parse it.
*/
p = l = line;
while (*l) {
if (StrNCmp(l, STR_NEWS_URL, LEN_NEWS_URL) &&
StrNCmp(l, "snews://", 8) &&
StrNCmp(l, "nntp://", 7) &&
StrNCmp(l, "snewspost:", 10) &&
StrNCmp(l, "snewsreply:", 11) &&
StrNCmp(l, "newspost:", 9) &&
StrNCmp(l, "newsreply:", 10) &&
StrNCmp(l, "ftp://", 6) &&
StrNCmp(l, "file:/", 6) &&
StrNCmp(l, "finger://", 9) &&
StrNCmp(l, "http://", 7) &&
StrNCmp(l, "https://", 8) &&
StrNCmp(l, "wais://", 7) &&
StrNCmp(l, STR_MAILTO_URL, LEN_MAILTO_URL) &&
StrNCmp(l, "cso://", 6) &&
StrNCmp(l, "gopher://", 9))
PUTC(*l++);
else {
StrAllocCopy(href, l);
start_anchor(strtok(href, " \r\n\t,>)\""));
while (*l && !StrChr(" \r\n\t,>)\"", *l))
PUTC(*l++);
END(HTML_A);
FREE(href);
}
}
PUTC('\n');
}
}
NETCLOSE(finger_fd);
finger_fd = -1;
end_html:
END(HTML_PRE);
PUTC('\n');
END(HTML_BODY);
PUTC('\n');
END(HTML_HTML);
PUTC('\n');
FREE_TARGET;
return (0);
}
/* HTVMSBrowseDir() ** ** This function generates a directory listing as an HTML-object ** for local file URL's. It assumes the first two elements of ** of the path are a device followed by a directory: ** ** file://localhost/device/directory[/[foo]] ** ** Will not accept 000000 as a directory name. ** Will offer links to parent through the top directory, unless ** a terminal slash was included in the calling URL. ** ** Returns HT_LOADED on success, HTLoadError() messages on error. ** ** Developed for Lynx by Foteos Macrides ([email protected]). */ PUBLIC int HTVMSBrowseDir ARGS4( CONST char *, address, HTParentAnchor *, anchor, HTFormat, format_out, HTStream *, sink ) { HTStructured* target; HTStructuredClass targetClass; char *pathname = HTParse(address, "", PARSE_PATH + PARSE_PUNCTUATION); char *tail = NULL; char *title = NULL; char *header = NULL; char *parent = NULL; char *relative = NULL; char *cp, *cp1; int pathend, len; DIR *dp; struct stat file_info; time_t NowTime; static char ThisYear[8]; VMSEntryInfo *entry_info = 0; char string_buffer[64]; HTUnEscape(pathname); CTRACE((tfp,"HTVMSBrowseDir: Browsing `%s\'\n", pathname)); /* * Require at least two elements (presumably a device and directory) * and disallow the device root (000000 directory). Symbolic paths * (e.g., sys$help) should have been translated and expanded (e.g., * to /sys$sysroot/syshlp) before calling this routine. */ if (((*pathname != '/') || (cp = strchr(pathname+1, '/')) == NULL || *(cp + 1) == '\0' || 0 == strncmp((cp + 1), "000000", 6)) || (dp = HTVMSopendir(pathname)) == NULL) { FREE(pathname); return HTLoadError(sink, 403, COULD_NOT_ACCESS_DIR); } /* * Set up the output stream. */ _HTProgress (BUILDING_DIR_LIST); if (UCLYhndl_HTFile_for_unspec >= 0) { HTAnchor_setUCInfoStage(anchor, UCLYhndl_HTFile_for_unspec, UCT_STAGE_PARSER, UCT_SETBY_DEFAULT); } target = HTML_new(anchor, format_out, sink); targetClass = *(target->isa); /* * Set up the offset string of the anchor reference, * and strings for the title and header. */ cp = strrchr(pathname, '/'); /* find lastslash */ StrAllocCopy(tail, (cp+1)); /* take slash off the beginning */ if (*tail != '\0') { StrAllocCopy(title, tail); *cp = '\0'; if ((cp1=strrchr(pathname, '/')) != NULL && cp1 != pathname && strncmp((cp1+1), "000000", 6)) StrAllocCopy(parent, (cp1+1)); *cp = '/'; } else { pathname[strlen(pathname)-1] = '\0'; cp = strrchr(pathname, '/'); StrAllocCopy(title, (cp+1)); pathname[strlen(pathname)] = '/'; } StrAllocCopy(header, pathname); /* * Initialize path name for HTStat(). */ pathend = strlen(pathname); if (*(pathname+pathend-1) != '/') { StrAllocCat(pathname, "/"); pathend++; } /* * Output the title and header. */ START(HTML_HTML); PUTC('\n'); START(HTML_HEAD); PUTC('\n'); HTUnEscape(title); START(HTML_TITLE); PUTS(title); PUTS(" directory"); END(HTML_TITLE); PUTC('\n'); FREE(title); END(HTML_HEAD); PUTC('\n'); START(HTML_BODY); PUTC('\n'); HTUnEscape(header); START(HTML_H1); PUTS(header); END(HTML_H1); PUTC('\n'); if (HTDirReadme == HT_DIR_README_TOP) { FILE * fp; if (header[strlen(header)-1] != '/') StrAllocCat(header, "/"); StrAllocCat(header, HT_DIR_README_FILE); if ((fp = fopen(header, "r")) != NULL) { START(HTML_PRE); for(;;) { char c = fgetc(fp); if (c == (char)EOF) break; #ifdef NOTDEFINED switch (c) { case '&': case '<': case '>': PUTC('&'); PUTC('#'); PUTC((char)(c / 10)); PUTC((char) (c % 10)); PUTC(';'); break; default: PUTC(c); } #else PUTC(c); #endif /* NOTDEFINED */ } END(HTML_PRE); fclose(fp); } } FREE(header); if (parent) { HTSprintf0(&relative, "%s/..", tail); HTStartAnchor(target, "", relative); PUTS("Up to "); HTUnEscape(parent); PUTS(parent); END(HTML_A); START(HTML_P); PUTC('\n'); FREE(relative); FREE(parent); } /* * Set up the date comparison. */ NowTime = time(NULL); strcpy(ThisYear, (char *)ctime(&NowTime)+20); ThisYear[4] = '\0'; /* * Now, generate the Btree and put it out to the output stream. */ { char dottest = 2; /* To avoid two strcmp() each time */ STRUCT_DIRENT *dirbuf; HTBTree *bt; /* Set up sort key and initialize BTree */ bt = HTBTree_new((HTComparer) compare_VMSEntryInfo_structs); /* Build tree */ while ((dirbuf = HTVMSreaddir(dp))) { HTAtom *encoding = NULL; HTFormat format; /* Skip if not used */ if (!dirbuf->d_ino) { continue; } /* Current and parent directories are never shown in list */ if (dottest && (!strcmp(dirbuf->d_name, ".") || !strcmp(dirbuf->d_name, ".."))) { dottest--; continue; } /* Don't show the selective enabling file * unless version numbers are included */ if (!strcasecomp(dirbuf->d_name, HT_DIR_ENABLE_FILE)) { continue; } /* Skip files beginning with a dot? */ if ((no_dotfiles || !show_dotfiles) && *dirbuf->d_name == '.') { continue; } /* OK, make an lstat() and get a key ready. */ *(pathname+pathend) = '\0'; StrAllocCat(pathname, dirbuf->d_name); if (HTStat(pathname, &file_info)) { /* for VMS the failure here means the file is not readable... we however continue to browse through the directory... */ continue; } entry_info = (VMSEntryInfo *)malloc(sizeof(VMSEntryInfo)); if (entry_info == NULL) outofmem(__FILE__, "HTVMSBrowseDir"); entry_info->type = 0; entry_info->size = 0; entry_info->date = 0; entry_info->filename = 0; entry_info->display = TRUE; /* Get the type */ format = HTFileFormat(dirbuf->d_name, &encoding, (CONST char **)&cp); if (!cp) { if(!strncmp(HTAtom_name(format), "application",11)) { cp = HTAtom_name(format) + 12; if(!strncmp(cp,"x-", 2)) cp += 2; } else cp = HTAtom_name(format); } StrAllocCopy(entry_info->type, cp); StrAllocCopy(entry_info->filename, dirbuf->d_name); if (S_ISDIR(file_info.st_mode)) { /* strip .DIR part... */ char *dot; dot = strstr(entry_info->filename, ".DIR"); if (dot) *dot = '\0'; LYLowerCase(entry_info->filename); StrAllocCopy(entry_info->type, "Directory"); } else { if ((cp = strstr(entry_info->filename, "READ")) == NULL) { cp = entry_info->filename; } else { cp += 4; if (!strncmp(cp, "ME", 2)) { cp += 2; while (cp && *cp && *cp != '.') { cp++; } } else if (!strncmp(cp, ".ME", 3)) { cp = (entry_info->filename + strlen(entry_info->filename)); } else { cp = entry_info->filename; } } LYLowerCase(cp); if (((len = strlen(entry_info->filename)) > 2) && entry_info->filename[len-1] == 'z') { if (entry_info->filename[len-2] == '.' || entry_info->filename[len-2] == '_') entry_info->filename[len-1] = 'Z'; } } /* Get the date */ { char *t = (char *)ctime((CONST time_t *)&file_info.st_ctime); *(t+24) = '\0'; StrAllocCopy(entry_info->date, (t+4)); *((entry_info->date)+7) = '\0'; if ((atoi((t+19))) < atoi(ThisYear)) StrAllocCat(entry_info->date, (t+19)); else { StrAllocCat(entry_info->date, (t+11)); *((entry_info->date)+12) = '\0'; } } /* Get the size */ if (!S_ISDIR(file_info.st_mode)) entry_info->size = (unsigned int)file_info.st_size; else entry_info->size = 0; /* Now, update the BTree etc. */ if(entry_info->display) { CTRACE((tfp,"Adding file to BTree: %s\n", entry_info->filename)); HTBTree_add(bt, entry_info); } } /* End while HTVMSreaddir() */ FREE(pathname); HTVMSclosedir(dp); START(HTML_PRE); /* * Run through the BTree printing out in order */ { HTBTElement * ele; int i; for (ele = HTBTree_next(bt, NULL); ele != NULL; ele = HTBTree_next(bt, ele)) { entry_info = (VMSEntryInfo *)HTBTree_object(ele); /* Output the date */ if(entry_info->date) { PUTS(entry_info->date); PUTS(" "); } else PUTS(" * "); /* Output the type */ if(entry_info->type) { for(i = 0; entry_info->type[i] != '\0' && i < 15; i++) PUTC(entry_info->type[i]); for(; i < 17; i++) PUTC(' '); } /* Output the link for the name */ HTDirEntry(target, tail, entry_info->filename); PUTS(entry_info->filename); END(HTML_A); /* Output the size */ if(entry_info->size) { if(entry_info->size < 1024) sprintf(string_buffer," %d bytes", entry_info->size); else sprintf(string_buffer," %dKb", entry_info->size/1024); PUTS(string_buffer); } PUTC('\n'); /* end of this entry */ free_VMSEntryInfo_contents(entry_info); } } HTBTreeAndObject_free(bt); } /* End of both BTree loops */ /* * Complete the output stream. */ END(HTML_PRE); PUTC('\n'); END(HTML_BODY); PUTC('\n'); END(HTML_HTML); PUTC('\n'); FREE(tail); FREE_TARGET; return HT_LOADED; } /* End of directory reading section */
