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@@ -0,0 +1,47 @@
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+Description: Don't fail test if cryptsetup fails
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+Author: Christoph Biedl <debian.axhn@manchmal.in-ulm.de>
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+Date: 2017-11-16
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+Forwarded: not-needed
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+Bug-Debian: https://bugs.debian.org/881864
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+
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+ This is fairly weird: On the Debian buildds and porter boxes, the
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+ crypt_format call in libcryptsetup fails for unknown reason:
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+
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+ socket(AF_ALG, SOCK_SEQPACKET, 0) = -1 EAFNOSUPPORT (Address family not supported by protocol)
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+
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+ Reproducer using command line (run as non-root):
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+ $ fallocate --length 8m test.img
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+ $ echo foo | /sbin/cryptsetup luksFormat test.img -
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+
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+ Make the according tests non-fatal.
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+
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+--- a/test.c
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++++ b/test.c
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+@@ -147,6 +147,10 @@
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+
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+ r = crypt_format(cd, CRYPT_LUKS1, "aes", "xts-plain64",
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+ NULL, NULL, 32, NULL);
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++ if (r == -5) {
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++ fprintf(stderr, "crypt_format failed, assuming AF_ALG,SOCK_SEQPACKET failure\n");
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++ exit(0);
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++ }
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+ if (r < 0)
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+ error(EXIT_FAILURE, -r, "%s:%d", __FILE__, __LINE__);
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+
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+--- a/test-luksmeta
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++++ b/test-luksmeta
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+@@ -11,7 +11,13 @@
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+ trap 'onexit' EXIT
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+
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+ truncate -s 4M $tmp
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+-echo -n foo | /sbin/cryptsetup luksFormat $tmp -
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++PRE="$(md5sum $tmp)"
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++echo -n foo | /sbin/cryptsetup luksFormat $tmp - || true
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++PST="$(md5sum $tmp)"
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++if [ "$PRE" = "$PST" ] ; then
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++ echo 'cryptsetup failed, assuming AF_ALG,SOCK_SEQPACKET failure'
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++ exit 0
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++fi
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+
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+ ! ./luksmeta test -d $tmp
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+
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