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| author | David S. Miller <davem@davemloft.net> | 2009-12-05 15:22:26 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-05 15:22:26 -0800 |
| commit | 28b4d5cc17c20786848cdc07b7ea237a309776bb (patch) | |
| tree | bae406a4b17229dcce7c11be5073f7a67665e477 /include/linux/securebits.h | |
| parent | d29cecda036f251aee4947f47eea0fe9ed8cc931 (diff) | |
| parent | 96fa2b508d2d3fe040cf4ef2fffb955f0a537ea1 (diff) | |
| download | linux-28b4d5cc17c20786848cdc07b7ea237a309776bb.tar.gz linux-28b4d5cc17c20786848cdc07b7ea237a309776bb.tar.bz2 linux-28b4d5cc17c20786848cdc07b7ea237a309776bb.zip | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/net/pcmcia/fmvj18x_cs.c
drivers/net/pcmcia/nmclan_cs.c
drivers/net/pcmcia/xirc2ps_cs.c
drivers/net/wireless/ray_cs.c
Diffstat (limited to 'include/linux/securebits.h')
| -rw-r--r-- | include/linux/securebits.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/include/linux/securebits.h b/include/linux/securebits.h index d2c5ed845bcc..33406174cbe8 100644 --- a/include/linux/securebits.h +++ b/include/linux/securebits.h @@ -1,6 +1,15 @@ #ifndef _LINUX_SECUREBITS_H #define _LINUX_SECUREBITS_H 1 +/* Each securesetting is implemented using two bits. One bit specifies + whether the setting is on or off. The other bit specify whether the + setting is locked or not. A setting which is locked cannot be + changed from user-level. */ +#define issecure_mask(X) (1 << (X)) +#ifdef __KERNEL__ +#define issecure(X) (issecure_mask(X) & current_cred_xxx(securebits)) +#endif + #define SECUREBITS_DEFAULT 0x00000000 /* When set UID 0 has no special privileges. When unset, we support @@ -12,6 +21,9 @@ #define SECURE_NOROOT 0 #define SECURE_NOROOT_LOCKED 1 /* make bit-0 immutable */ +#define SECBIT_NOROOT (issecure_mask(SECURE_NOROOT)) +#define SECBIT_NOROOT_LOCKED (issecure_mask(SECURE_NOROOT_LOCKED)) + /* When set, setuid to/from uid 0 does not trigger capability-"fixup". When unset, to provide compatiblility with old programs relying on set*uid to gain/lose privilege, transitions to/from uid 0 cause @@ -19,6 +31,10 @@ #define SECURE_NO_SETUID_FIXUP 2 #define SECURE_NO_SETUID_FIXUP_LOCKED 3 /* make bit-2 immutable */ +#define SECBIT_NO_SETUID_FIXUP (issecure_mask(SECURE_NO_SETUID_FIXUP)) +#define SECBIT_NO_SETUID_FIXUP_LOCKED \ + (issecure_mask(SECURE_NO_SETUID_FIXUP_LOCKED)) + /* When set, a process can retain its capabilities even after transitioning to a non-root user (the set-uid fixup suppressed by bit 2). Bit-4 is cleared when a process calls exec(); setting both @@ -27,12 +43,8 @@ #define SECURE_KEEP_CAPS 4 #define SECURE_KEEP_CAPS_LOCKED 5 /* make bit-4 immutable */ -/* Each securesetting is implemented using two bits. One bit specifies - whether the setting is on or off. The other bit specify whether the - setting is locked or not. A setting which is locked cannot be - changed from user-level. */ -#define issecure_mask(X) (1 << (X)) -#define issecure(X) (issecure_mask(X) & current_cred_xxx(securebits)) +#define SECBIT_KEEP_CAPS (issecure_mask(SECURE_KEEP_CAPS)) +#define SECBIT_KEEP_CAPS_LOCKED (issecure_mask(SECURE_KEEP_CAPS_LOCKED)) #define SECURE_ALL_BITS (issecure_mask(SECURE_NOROOT) | \ issecure_mask(SECURE_NO_SETUID_FIXUP) | \ |