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Avoid CRC32 when decompressing older version archives.

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This commit is contained in:
Moinak Ghosh 2012-11-24 00:00:05 +05:30
parent 817e16cce6
commit bdf16c4cb9
1 changed files with 5 additions and 2 deletions
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7
main.c
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@ -350,7 +350,7 @@ redo:
sem_post(&tdat->cmp_done_sem);
return;
}
} else {
} else if (mac_bytes > 0) {
/*
* Verify header CRC32 in non-crypto mode.
*/
@ -652,6 +652,9 @@ start_decompress(const char *filename, const char *to_filename)
UNCOMP_BAIL;
}
if (version < 5)
mac_bytes = 0;
/*
* If encryption is enabled initialize crypto.
*/
@ -785,7 +788,7 @@ start_decompress(const char *filename, const char *to_filename)
close(uncompfd); unlink(to_filename);
err_exit(0, "Header verification failed! File tampered or wrong password.\n");
}
} else {
} else if (version >= 5) {
uint32_t crc1, crc2;
unsigned int hlen;
unsigned short d1;