109 lines
3.3 KiB
Diff
109 lines
3.3 KiB
Diff
In order to use the OpenSSL-ibmpkcs11 engine it is needed to allow flock
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and ipc calls, because this engine calls OpenCryptoki (a PKCS#11
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implementation) which calls the libraries that will communicate with the
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crypto cards. OpenCryptoki makes use of flock and ipc and, as of now,
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this is only need on s390 architecture.
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Signed-off-by: Eduardo Barretto <ebarretto@xxxxxxxxxxxxxxxxxx>
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---
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sandbox-seccomp-filter.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c
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index ca75cc7..6e7de31 100644
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--- a/sandbox-seccomp-filter.c
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+++ b/sandbox-seccomp-filter.c
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@@ -166,6 +166,9 @@ static const struct sock_filter preauth_insns[] = {
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#ifdef __NR_exit_group
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SC_ALLOW(__NR_exit_group),
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#endif
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+#if defined(__NR_flock) && defined(__s390__)
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+ SC_ALLOW(__NR_flock),
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+#endif
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#ifdef __NR_geteuid
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SC_ALLOW(__NR_geteuid),
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#endif
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@@ -178,6 +181,9 @@ static const struct sock_filter preauth_insns[] = {
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#ifdef __NR_gettimeofday
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SC_ALLOW(__NR_gettimeofday),
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#endif
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+#if defined(__NR_ipc) && defined(__s390__)
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+ SC_ALLOW(__NR_ipc),
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+#endif
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#ifdef __NR_getuid
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SC_ALLOW(__NR_getuid),
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#endif
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--
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1.9.1
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getuid and geteuid are needed when using an openssl engine that calls a
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crypto card, e.g. ICA (libica).
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Those syscalls are also needed by the distros for audit code.
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Signed-off-by: Eduardo Barretto <ebarretto@xxxxxxxxxxxxxxxxxx>
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---
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sandbox-seccomp-filter.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c
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index 6e7de31..e86aa2c 100644
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--- a/sandbox-seccomp-filter.c
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+++ b/sandbox-seccomp-filter.c
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@@ -175,6 +175,18 @@ static const struct sock_filter preauth_insns[] = {
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#ifdef __NR_getpid
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SC_ALLOW(__NR_getpid),
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#endif
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+#ifdef __NR_getuid
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+ SC_ALLOW(__NR_getuid),
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+#endif
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+#ifdef __NR_getuid32
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+ SC_ALLOW(__NR_getuid32),
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+#endif
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+#ifdef __NR_geteuid
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+ SC_ALLOW(__NR_geteuid),
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+#endif
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+#ifdef __NR_geteuid32
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+ SC_ALLOW(__NR_geteuid32),
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+#endif
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#ifdef __NR_getrandom
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SC_ALLOW(__NR_getrandom),
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#endif
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-- 1.9.1
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The EP11 crypto card needs to make an ioctl call, which receives an
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specific argument. This crypto card is for s390 only.
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Signed-off-by: Eduardo Barretto <ebarretto@xxxxxxxxxxxxxxxxxx>
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---
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sandbox-seccomp-filter.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c
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index e86aa2c..98062f1 100644
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--- a/sandbox-seccomp-filter.c
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+++ b/sandbox-seccomp-filter.c
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@@ -250,6 +250,8 @@ static const struct sock_filter preauth_insns[] = {
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SC_ALLOW_ARG(__NR_ioctl, 1, Z90STAT_STATUS_MASK),
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SC_ALLOW_ARG(__NR_ioctl, 1, ICARSAMODEXPO),
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SC_ALLOW_ARG(__NR_ioctl, 1, ICARSACRT),
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+ /* Allow ioctls for EP11 crypto card on s390 */
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+ SC_ALLOW_ARG(__NR_ioctl, 1, ZSENDEP11CPRB),
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#endif
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#if defined(__x86_64__) && defined(__ILP32__) && defined(__X32_SYSCALL_BIT)
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/*
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--
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1.9.1
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diff -up openssh-7.6p1/sandbox-seccomp-filter.c.sandbox openssh-7.6p1/sandbox-seccomp-filter.c
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--- openssh-7.6p1/sandbox-seccomp-filter.c.sandbox 2017-12-12 13:59:30.563874059 +0100
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+++ openssh-7.6p1/sandbox-seccomp-filter.c 2017-12-12 13:59:14.842784083 +0100
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@@ -190,6 +190,9 @@ static const struct sock_filter preauth_
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#ifdef __NR_geteuid32
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SC_ALLOW(__NR_geteuid32),
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#endif
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+#ifdef __NR_gettid
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+ SC_ALLOW(__NR_gettid),
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+#endif
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#ifdef __NR_getrandom
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SC_ALLOW(__NR_getrandom),
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#endif
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