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| author | David S. Miller <davem@davemloft.net> | 2010-04-03 15:49:14 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-03 15:49:14 -0700 |
| commit | 87e8b821ed8db3dab03d96cd542e29666bf210aa (patch) | |
| tree | 0027060473aafbbb125655ba027319c8a1a665fc /security/commoncap.c | |
| parent | 33cd9dfa3a13e3d8e41aef225a9f98169816723b (diff) | |
| parent | 5e11611a5d22252f3f9c169a3c9377eac0c32033 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'security/commoncap.c')
| -rw-r--r-- | security/commoncap.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/security/commoncap.c b/security/commoncap.c index f800fdb3de9..61669730da9 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -27,6 +27,7 @@ #include <linux/sched.h> #include <linux/prctl.h> #include <linux/securebits.h> +#include <linux/syslog.h> /* * If a non-root user executes a setuid-root binary in @@ -888,13 +889,17 @@ error: /** * cap_syslog - Determine whether syslog function is permitted * @type: Function requested + * @from_file: Whether this request came from an open file (i.e. /proc) * * Determine whether the current process is permitted to use a particular * syslog function, returning 0 if permission is granted, -ve if not. */ -int cap_syslog(int type) +int cap_syslog(int type, bool from_file) { - if ((type != 3 && type != 10) && !capable(CAP_SYS_ADMIN)) + if (type != SYSLOG_ACTION_OPEN && from_file) + return 0; + if ((type != SYSLOG_ACTION_READ_ALL && + type != SYSLOG_ACTION_SIZE_BUFFER) && !capable(CAP_SYS_ADMIN)) return -EPERM; return 0; } |