74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
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#ifndef __CAPSICUM_FREEBSD_H__
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#define __CAPSICUM_FREEBSD_H__
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#ifdef __FreeBSD__
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/************************************************************
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* FreeBSD Capsicum Functionality.
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************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* FreeBSD definitions. */
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#include <errno.h>
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#include <sys/param.h>
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#if __FreeBSD_version >= 1100014 || \
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(__FreeBSD_version >= 1001511 && __FreeBSD_version < 1100000)
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#include <sys/capsicum.h>
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#else
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#include <sys/capability.h>
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#endif
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#include <sys/procdesc.h>
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#if __FreeBSD_version >= 1000000
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#define AT_SYSCALLS_IN_CAPMODE
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#define HAVE_CAP_RIGHTS_GET
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#define HAVE_CAP_RIGHTS_LIMIT
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#define HAVE_PROCDESC_FSTAT
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#define HAVE_CAP_FCNTLS_LIMIT
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// fcntl(2) takes int, cap_fcntls_limit(2) takes uint32_t.
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typedef uint32_t cap_fcntl_t;
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#define HAVE_CAP_IOCTLS_LIMIT
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// ioctl(2) and cap_ioctls_limit(2) take unsigned long.
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typedef unsigned long cap_ioctl_t;
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#if __FreeBSD_version >= 1101000
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#define HAVE_OPENAT_INTERMEDIATE_DOTDOT
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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// Use fexecve_() in tests to allow Linux variant to bypass glibc version.
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#define fexecve_(F, A, E) fexecve(F, A, E)
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#ifdef ENOTBENEATH
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#define E_NO_TRAVERSE_CAPABILITY ENOTBENEATH
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#define E_NO_TRAVERSE_O_BENEATH ENOTBENEATH
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#else
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#define E_NO_TRAVERSE_CAPABILITY ENOTCAPABLE
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#define E_NO_TRAVERSE_O_BENEATH ENOTCAPABLE
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#endif
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// FreeBSD limits the number of ioctls in cap_ioctls_limit to 256
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#define CAP_IOCTLS_LIMIT_MAX 256
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// Too many links
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#define E_TOO_MANY_LINKS EMLINK
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// TODO(FreeBSD): uncomment if/when FreeBSD propagates rights on accept.
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// FreeBSD does not generate a capability from accept(cap_fd,...).
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// https://bugs.freebsd.org/201052
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// #define CAP_FROM_ACCEPT
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// TODO(FreeBSD): uncomment if/when FreeBSD propagates rights on sctp_peeloff.
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// FreeBSD does not generate a capability from sctp_peeloff(cap_fd,...).
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// https://bugs.freebsd.org/201052
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// #define CAP_FROM_PEELOFF
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#endif /* __FreeBSD__ */
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#endif /*__CAPSICUM_FREEBSD_H__*/
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