Attachment 878844 Details for Bug 1041576 – patch to move CAP_DAC_OVERRIDE drop after we create the socket

[patch] patch to move CAP_DAC_OVERRIDE drop after we create the socket

libreswan-3.8-neutron.patch (text/plain), 1.92 KB, created by Paul Wouters on 2014-03-26 04:14:53 UTC

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Creator: Paul Wouters

Created: 2014-03-26 04:14:53 UTC

Size: 1.92 KB

patch

obsolete

>diff --git a/programs/pluto/plutomain.c b/programs/pluto/plutomain.c
>index d91ec5b..9381734 100644
>--- a/programs/pluto/plutomain.c
>+++ b/programs/pluto/plutomain.c
>@@ -441,23 +441,6 @@ int main(int argc, char **argv)
> 	leak_detective = FALSE;
> #endif
> 
>-#ifdef HAVE_LIBCAP_NG
>-	/*
>-	 * Drop capabilities - this generates a false positive valgrind warning
>-	 * See: http://marc.info/?l=linux-security-module&m=125895232029657
>-	 */
>-	capng_clear(CAPNG_SELECT_BOTH);
>-
>-	capng_updatev(CAPNG_ADD, CAPNG_EFFECTIVE | CAPNG_PERMITTED,
>-		      CAP_NET_BIND_SERVICE, CAP_NET_ADMIN, CAP_NET_RAW,
>-		      CAP_IPC_LOCK, CAP_AUDIT_WRITE,
>-		      CAP_SETGID, CAP_SETUID, /* for google authenticator pam */
>-		      -1);
>-	/* our children must be able to CAP_NET_ADMIN to change routes.
>-	 */
>-	capng_updatev(CAPNG_ADD, CAPNG_BOUNDING_SET, CAP_NET_ADMIN, CAP_DAC_READ_SEARCH, -1); /* DAC needed for google authenticator pam */
>-	capng_apply(CAPNG_SELECT_BOTH);
>-#endif
> 
> 	libreswan_passert_fail = passert_fail;
> 
>@@ -1029,6 +1012,27 @@ int main(int argc, char **argv)
> 		}
> 	}
> 
>+#ifdef HAVE_LIBCAP_NG
>+	/*
>+	 * Drop capabilities - this generates a false positive valgrind warning
>+	 * See: http://marc.info/?l=linux-security-module&m=125895232029657
>+	 *
>+	 * We drop these after creating the pluto socket or else we can't create
>+	 * a socket if the parent dir is non-root
>+	 */
>+	capng_clear(CAPNG_SELECT_BOTH);
>+
>+	capng_updatev(CAPNG_ADD, CAPNG_EFFECTIVE | CAPNG_PERMITTED,
>+		      CAP_NET_BIND_SERVICE, CAP_NET_ADMIN, CAP_NET_RAW,
>+		      CAP_IPC_LOCK, CAP_AUDIT_WRITE,
>+		      CAP_SETGID, CAP_SETUID, /* for google authenticator pam */
>+		      -1);
>+	/* our children must be able to CAP_NET_ADMIN to change routes.
>+	 */
>+	capng_updatev(CAPNG_ADD, CAPNG_BOUNDING_SET, CAP_NET_ADMIN, CAP_DAC_READ_SEARCH, -1); /* DAC needed for google authenticator pam */
>+	capng_apply(CAPNG_SELECT_BOTH);
>+#endif
>+
> 	/* If not suppressed, do daemon fork */
> 
> 	if (fork_desired) {

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Attachments on bug 1041576: 878708 | 878844