283 lines
6.2 KiB
C
283 lines
6.2 KiB
C
#include "../config.h"
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#include <sys/wait.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include "HTFormat.h"
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#include "HTFile.h"
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#include "HTUtils.h"
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#include "tcp.h"
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#include "HTML.h"
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#include "HTMLDTD.h"
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#include "HText.h"
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#include "HTAlert.h"
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#include "HTList.h"
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#include "HTInit.h"
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#include "HTFWriter.h"
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#include "HTPlain.h"
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#include "SGML.h"
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#include "HTMLGen.h"
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#include "../libnut/system.h"
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#ifndef DISABLE_TRACE
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extern int www2Trace;
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#endif
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struct _HTStream
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{
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WWW_CONST HTStreamClass* isa;
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/* ... */
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};
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int is_uncompressed=0;
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extern char *mo_tmpnam (char *);
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extern void application_user_feedback (char *);
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extern char *uncompress_program, *gunzip_program;
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extern void HTFileCopyToText (FILE *fp, HText *text);
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/* Given a filename of a local compressed file, compress it in place.
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We assume that the file does not already have a .Z or .z extension
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at this point -- this is a little weird but it's convenient. */
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void HTCompressedFileToFile (char *fnam, int compressed)
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{
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char *znam;
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char *cmd;
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int len;
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cmd=NULL;
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf
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(stderr, "[HTCompressedFileToFile] Entered; fnam '%s', compressed %d\n",
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fnam, compressed);
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#endif
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/* Punt if we can't handle it. */
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if (compressed != COMPRESSED_BIGZ && compressed != COMPRESSED_GNUZIP)
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return;
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HTProgress ("Preparing to uncompress data.");
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znam = (char *)malloc (sizeof (char) * (strlen (fnam) + 8));
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/* Either compressed or gzipped. */
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if (compressed == COMPRESSED_BIGZ)
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sprintf (znam, "%s.Z", fnam);
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else
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sprintf (znam, "%s.gz", fnam);
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/*SWP -- New "mv" fucntion to take care of these /bin/mv things*/
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{
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char retBuf[BUFSIZ];
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int status;
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if ((status=my_move(fnam,znam,retBuf,BUFSIZ,1))!=SYS_SUCCESS) {
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sprintf(retBuf,"Unable to uncompress compressed data;\nresults may be in error.\n%s",retBuf);
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application_user_info_wait(retBuf);
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free (znam);
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return;
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}
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}
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf (stderr, "[HTCompressedFileToFile] Moved '%s' to '%s'\n",
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fnam, znam);
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#endif
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if (compressed == COMPRESSED_BIGZ)
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{
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cmd = (char *)malloc(strlen(uncompress_program)+strlen(znam)+8);
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sprintf (cmd, "%s %s", uncompress_program, znam);
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}
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else
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{
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cmd = (char *)malloc (strlen (gunzip_program) + strlen (znam) + 8);
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sprintf (cmd, "%s %s", gunzip_program, znam);
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}
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HTProgress ("Uncompressing data.");
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{
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int status,skip_output=0;
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char retBuf[BUFSIZ];
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char final[BUFSIZ];
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*retBuf='\0';
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*final='\0';
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if ((status=my_system(cmd,retBuf,BUFSIZ))!=SYS_SUCCESS) {
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switch(status) {
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case SYS_NO_COMMAND:
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sprintf(final,"%sThere was no command to execute.\n",final);
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break;
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case SYS_FORK_FAIL:
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sprintf(final,"%sThe fork call failed.\n",final);
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break;
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case SYS_PROGRAM_FAILED:
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sprintf(final,"%sThe program specified was not able to exec.\n",final);
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break;
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case SYS_NO_RETBUF:
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sprintf(final,"%sThere was no return buffer.\n",final);
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break;
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case SYS_FCNTL_FAILED:
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sprintf(final,"%sFcntl failed to set non-block on the pipe.\n",final);
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break;
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}
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/*give them the output*/
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if (*retBuf) {
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sprintf(final,"%s%s",final,retBuf);
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}
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}
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else if (*retBuf) {
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/*give them the output*/
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sprintf(final,"%s%s",final,retBuf);
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}
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else {
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/*a-okay*/
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skip_output=1;
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}
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if (!skip_output) {
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application_user_info_wait(final);
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free (cmd);
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free (znam);
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HTProgress ("Uncompress failed.");
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return;
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}
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}
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HTProgress ("Data uncompressed.");
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is_uncompressed=1;
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf
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(stderr, "[HTCompressedFileToFile] Uncompressed '%s' with command '%s'\n",
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znam, cmd);
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#endif
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free (cmd);
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free (znam);
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return;
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}
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void HTCompressedHText (HText *text, int compressed, int plain)
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{
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char *fnam;
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char *znam;
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char *cmd;
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FILE *fp;
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int rv, size_of_data;
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf
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(stderr, "[HTCompressedHText] Entered; compressed %d\n",
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compressed);
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#endif
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/* Punt if we can't handle it. */
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if (compressed != COMPRESSED_BIGZ && compressed != COMPRESSED_GNUZIP)
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return;
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/* Hmmmmmmmmm, I'm not sure why we subtract 1 here, but it is
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indeed working... */
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size_of_data = HText_getTextLength (text) - 1;
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if (size_of_data == 0)
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{
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fprintf (stderr, "[HTCompressedHText] size_of_data 0; punting\n");
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return;
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}
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fnam = mo_tmpnam ((char *) 0);
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fp = fopen (fnam, "w");
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if (!fp)
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{
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf (stderr, "COULD NOT OPEN TMP FILE '%s'\n", fnam);
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#endif
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application_user_feedback
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("Unable to uncompress compressed data;\nresults may be in error.");
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free (fnam);
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return;
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}
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf (stderr, "[HTCmopressedHText] Going to write %d bytes.\n",
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size_of_data);
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#endif
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rv = fwrite (HText_getText (text), sizeof (char), size_of_data, fp);
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if (rv != size_of_data)
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{
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf (stderr, "ONLY WROTE %d bytes\n", rv);
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#endif
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application_user_feedback
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("Unable to write compressed data to local disk;\nresults may be in error.");
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}
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fclose (fp);
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf (stderr, "HTCompressedHText: Calling CompressedFileToFile\n");
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#endif
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HTCompressedFileToFile (fnam, compressed);
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HText_clearOutForNewContents (text);
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HText_beginAppend (text);
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if (plain)
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{
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf (stderr, "[HTCompressedHText] Throwing in PLAINTEXT token...\n");
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#endif
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HText_appendText(text, "<PLAINTEXT>\n");
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}
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fp = fopen (fnam, "r");
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if (!fp)
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{
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf (stderr, "COULD NOT OPEN TMP FILE FOR READING '%s'\n", fnam);
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#endif
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/* We already get error dialog up above. */
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free (fnam);
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return;
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}
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HTFileCopyToText (fp, text);
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#ifndef DISABLE_TRACE
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if (www2Trace)
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fprintf (stderr, "[HTCompressedHText] I think we're done...\n");
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#endif
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/*SWP*/
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/*
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cmd = (char *)malloc (sizeof (char) * (strlen (fnam) + 32));
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sprintf (cmd, "/bin/rm -f %s", fnam);
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system (cmd);
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free (cmd);
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*/
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unlink(fnam);
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return;
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}
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