mirror of
https://github.com/xroche/httrack.git
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82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*
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HTTrack external callbacks example : changing folder names ending with ".com"
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with ".c0m" as a workaround of IIS bug (see KB 275601)
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How to build: (callback.so or callback.dll)
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With GNU-GCC:
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gcc -O -g3 -Wall -D_REENTRANT -shared -o mycallback.so callbacks-example.c -lhttrack2
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With MS-Visual C++:
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cl -LD -nologo -W3 -Zi -Zp4 -DWIN32 -Fe"mycallback.dll" callbacks-example.c libhttrack.lib
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Note: the httrack library linker option is only necessary when using libhttrack's functions inside the callback
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* Standard httrack module includes */
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#include "httrack-library.h"
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#include "htsopt.h"
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#include "htsdefines.h"
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/* Function definitions */
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static int mysavename(t_hts_callbackarg * carg, httrackp * opt,
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const char *adr_complete, const char *fil_complete,
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const char *referer_adr, const char *referer_fil,
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char *save);
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/* external functions */
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EXTERNAL_FUNCTION int hts_plug(httrackp * opt, const char *argv);
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/*
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module entry point
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*/
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EXTERNAL_FUNCTION int hts_plug(httrackp * opt, const char *argv) {
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const char *arg = strchr(argv, ',');
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if (arg != NULL)
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arg++;
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CHAIN_FUNCTION(opt, savename, mysavename, NULL);
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return 1; /* success */
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}
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/*
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Replaces all "offending" IIS extensions (exe, dll..) with "nice" ones
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*/
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static int mysavename(t_hts_callbackarg * carg, httrackp * opt,
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const char *adr_complete, const char *fil_complete,
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const char *referer_adr, const char *referer_fil,
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char *save) {
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static const char *iisBogus[] = { ".com", ".exe", ".dll", ".sh", NULL };
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static const char *iisBogusReplace[] = { ".c0m", ".ex3", ".dl1", ".5h", NULL }; /* MUST be the same sizes */
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char *a;
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/* Call parent functions if multiple callbacks are chained. */
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if (CALLBACKARG_PREV_FUN(carg, savename) != NULL) {
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if (!CALLBACKARG_PREV_FUN(carg, savename)
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(CALLBACKARG_PREV_CARG(carg), opt, adr_complete, fil_complete,
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referer_adr, referer_fil, save)) {
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return 0; /* Abort */
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}
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}
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/* Process */
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for(a = save; *a != '\0'; a++) {
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int i;
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for(i = 0; iisBogus[i] != NULL; i++) {
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int j;
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for(j = 0; iisBogus[i][j] == a[j] && iisBogus[i][j] != '\0'; j++) ;
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if (iisBogus[i][j] == '\0'
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&& (a[j] == '\0' || a[j] == '/' || a[j] == '\\')) {
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strncpy(a, iisBogusReplace[i], strlen(iisBogusReplace[i]));
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break;
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}
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}
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}
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return 1; /* success */
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}
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