Avoid CRC32 when decompressing older version archives.
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1 changed files with 5 additions and 2 deletions
7
main.c
7
main.c
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@ -350,7 +350,7 @@ redo:
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sem_post(&tdat->cmp_done_sem);
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return;
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}
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} else {
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} else if (mac_bytes > 0) {
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/*
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* Verify header CRC32 in non-crypto mode.
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*/
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@ -652,6 +652,9 @@ start_decompress(const char *filename, const char *to_filename)
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UNCOMP_BAIL;
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}
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if (version < 5)
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mac_bytes = 0;
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/*
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* If encryption is enabled initialize crypto.
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*/
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@ -785,7 +788,7 @@ start_decompress(const char *filename, const char *to_filename)
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close(uncompfd); unlink(to_filename);
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err_exit(0, "Header verification failed! File tampered or wrong password.\n");
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}
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} else {
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} else if (version >= 5) {
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uint32_t crc1, crc2;
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unsigned int hlen;
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unsigned short d1;
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