diff options
| author | David S. Miller <davem@davemloft.net> | 2009-04-13 14:41:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-04-13 14:41:05 -0700 |
| commit | 83400207a07584539366f6859362db6872809a12 (patch) | |
| tree | fad187f8b3bebf1b387ec42ef8143e6f4e49a256 /include/linux/capability.h | |
| parent | 0d489ffb76de0fe804cf06a9d4d11fa7342d74b9 (diff) | |
| parent | 80a04d3f2f94fb68b5df05e3ac6697130bc3467a (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
MAINTAINERS
Diffstat (limited to 'include/linux/capability.h')
| -rw-r--r-- | include/linux/capability.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h index 4864a43b2b4..c3021105edc 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -377,7 +377,21 @@ struct cpu_vfs_cap_data { #define CAP_FOR_EACH_U32(__capi) \ for (__capi = 0; __capi < _KERNEL_CAPABILITY_U32S; ++__capi) +/* + * CAP_FS_MASK and CAP_NFSD_MASKS: + * + * The fs mask is all the privileges that fsuid==0 historically meant. + * At one time in the past, that included CAP_MKNOD and CAP_LINUX_IMMUTABLE. + * + * It has never meant setting security.* and trusted.* xattrs. + * + * We could also define fsmask as follows: + * 1. CAP_FS_MASK is the privilege to bypass all fs-related DAC permissions + * 2. The security.* and trusted.* xattrs are fs-related MAC permissions + */ + # define CAP_FS_MASK_B0 (CAP_TO_MASK(CAP_CHOWN) \ + | CAP_TO_MASK(CAP_MKNOD) \ | CAP_TO_MASK(CAP_DAC_OVERRIDE) \ | CAP_TO_MASK(CAP_DAC_READ_SEARCH) \ | CAP_TO_MASK(CAP_FOWNER) \ @@ -392,11 +406,12 @@ struct cpu_vfs_cap_data { # define CAP_EMPTY_SET ((kernel_cap_t){{ 0, 0 }}) # define CAP_FULL_SET ((kernel_cap_t){{ ~0, ~0 }}) # define CAP_INIT_EFF_SET ((kernel_cap_t){{ ~CAP_TO_MASK(CAP_SETPCAP), ~0 }}) -# define CAP_FS_SET ((kernel_cap_t){{ CAP_FS_MASK_B0, CAP_FS_MASK_B1 } }) +# define CAP_FS_SET ((kernel_cap_t){{ CAP_FS_MASK_B0 \ + | CAP_TO_MASK(CAP_LINUX_IMMUTABLE), \ + CAP_FS_MASK_B1 } }) # define CAP_NFSD_SET ((kernel_cap_t){{ CAP_FS_MASK_B0 \ - | CAP_TO_MASK(CAP_SYS_RESOURCE) \ - | CAP_TO_MASK(CAP_MKNOD), \ - CAP_FS_MASK_B1 } }) + | CAP_TO_MASK(CAP_SYS_RESOURCE), \ + CAP_FS_MASK_B1 } }) #endif /* _KERNEL_CAPABILITY_U32S != 2 */ |