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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-12 12:38:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-12 12:38:53 -0700 |
commit | 0b747172dce6e0905ab173afbaffebb7a11d89bd (patch) | |
tree | cef4092aa49bd44d4759b58762bfa221dac45f57 /lib | |
parent | b7e70ca9c7d7f049bba8047d7ab49966fd5e9e9d (diff) | |
parent | 312103d64d0fcadb332899a2c84b357ddb18f4e3 (diff) |
Merge git://git.infradead.org/users/eparis/audit
Pull audit updates from Eric Paris.
* git://git.infradead.org/users/eparis/audit: (28 commits)
AUDIT: make audit_is_compat depend on CONFIG_AUDIT_COMPAT_GENERIC
audit: renumber AUDIT_FEATURE_CHANGE into the 1300 range
audit: do not cast audit_rule_data pointers pointlesly
AUDIT: Allow login in non-init namespaces
audit: define audit_is_compat in kernel internal header
kernel: Use RCU_INIT_POINTER(x, NULL) in audit.c
sched: declare pid_alive as inline
audit: use uapi/linux/audit.h for AUDIT_ARCH declarations
syscall_get_arch: remove useless function arguments
audit: remove stray newline from audit_log_execve_info() audit_panic() call
audit: remove stray newlines from audit_log_lost messages
audit: include subject in login records
audit: remove superfluous new- prefix in AUDIT_LOGIN messages
audit: allow user processes to log from another PID namespace
audit: anchor all pid references in the initial pid namespace
audit: convert PPIDs to the inital PID namespace.
pid: get pid_t ppid of task in init_pid_ns
audit: rename the misleading audit_get_context() to audit_take_context()
audit: Add generic compat syscall support
audit: Add CONFIG_HAVE_ARCH_AUDITSYSCALL
...
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Kconfig | 9 | ||||
-rw-r--r-- | lib/Makefile | 1 | ||||
-rw-r--r-- | lib/audit.c | 15 | ||||
-rw-r--r-- | lib/compat_audit.c | 50 |
4 files changed, 74 insertions, 1 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 5d4984c505f8..4771fb3f4da4 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -182,6 +182,15 @@ config AUDIT_GENERIC depends on AUDIT && !AUDIT_ARCH default y +config AUDIT_ARCH_COMPAT_GENERIC + bool + default n + +config AUDIT_COMPAT_GENERIC + bool + depends on AUDIT_GENERIC && AUDIT_ARCH_COMPAT_GENERIC && COMPAT + default y + config RANDOM32_SELFTEST bool "PRNG perform self test on init" default n diff --git a/lib/Makefile b/lib/Makefile index 48140e3ba73f..0cd7b68e1382 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -96,6 +96,7 @@ obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o obj-$(CONFIG_SMP) += percpu_counter.o obj-$(CONFIG_AUDIT_GENERIC) += audit.o +obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o obj-$(CONFIG_SWIOTLB) += swiotlb.o obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o diff --git a/lib/audit.c b/lib/audit.c index 76bbed4a20e5..1d726a22565b 100644 --- a/lib/audit.c +++ b/lib/audit.c @@ -30,11 +30,17 @@ static unsigned signal_class[] = { int audit_classify_arch(int arch) { - return 0; + if (audit_is_compat(arch)) + return 1; + else + return 0; } int audit_classify_syscall(int abi, unsigned syscall) { + if (audit_is_compat(abi)) + return audit_classify_compat_syscall(abi, syscall); + switch(syscall) { #ifdef __NR_open case __NR_open: @@ -57,6 +63,13 @@ int audit_classify_syscall(int abi, unsigned syscall) static int __init audit_classes_init(void) { +#ifdef CONFIG_AUDIT_COMPAT_GENERIC + audit_register_class(AUDIT_CLASS_WRITE_32, compat_write_class); + audit_register_class(AUDIT_CLASS_READ_32, compat_read_class); + audit_register_class(AUDIT_CLASS_DIR_WRITE_32, compat_dir_class); + audit_register_class(AUDIT_CLASS_CHATTR_32, compat_chattr_class); + audit_register_class(AUDIT_CLASS_SIGNAL_32, compat_signal_class); +#endif audit_register_class(AUDIT_CLASS_WRITE, write_class); audit_register_class(AUDIT_CLASS_READ, read_class); audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); diff --git a/lib/compat_audit.c b/lib/compat_audit.c new file mode 100644 index 000000000000..873f75b640ab --- /dev/null +++ b/lib/compat_audit.c @@ -0,0 +1,50 @@ +#include <linux/init.h> +#include <linux/types.h> +#include <asm/unistd32.h> + +unsigned compat_dir_class[] = { +#include <asm-generic/audit_dir_write.h> +~0U +}; + +unsigned compat_read_class[] = { +#include <asm-generic/audit_read.h> +~0U +}; + +unsigned compat_write_class[] = { +#include <asm-generic/audit_write.h> +~0U +}; + +unsigned compat_chattr_class[] = { +#include <asm-generic/audit_change_attr.h> +~0U +}; + +unsigned compat_signal_class[] = { +#include <asm-generic/audit_signal.h> +~0U +}; + +int audit_classify_compat_syscall(int abi, unsigned syscall) +{ + switch (syscall) { +#ifdef __NR_open + case __NR_open: + return 2; +#endif +#ifdef __NR_openat + case __NR_openat: + return 3; +#endif +#ifdef __NR_socketcall + case __NR_socketcall: + return 4; +#endif + case __NR_execve: + return 5; + default: + return 1; + } +} |