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 ...
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| @@ -182,6 +182,15 @@ config AUDIT_GENERIC · 181 unmodified lines | ||
| 182 | 182 | depends on AUDIT && !AUDIT_ARCH |
| 183 | 183 | default y |
| 184 | 184 | |
| 185 | +config AUDIT_ARCH_COMPAT_GENERIC | |
| 186 | + bool | |
| 187 | + default n | |
| 188 | + | |
| 189 | +config AUDIT_COMPAT_GENERIC | |
| 190 | + bool | |
| 191 | + depends on AUDIT_GENERIC && AUDIT_ARCH_COMPAT_GENERIC && COMPAT | |
| 192 | + default y | |
| 193 | + | |
| 185 | 194 | config RANDOM32_SELFTEST |
| 186 | 195 | bool "PRNG perform self test on init" |
| 187 | 196 | default n |
| @@ -96,6 +96,7 @@ obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o · 95 unmodified lines | ||
| 96 | 96 | obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o |
| 97 | 97 | obj-$(CONFIG_SMP) += percpu_counter.o |
| 98 | 98 | obj-$(CONFIG_AUDIT_GENERIC) += audit.o |
| 99 | +obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o | |
| 99 | 100 | |
| 100 | 101 | obj-$(CONFIG_SWIOTLB) += swiotlb.o |
| 101 | 102 | obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o |
| @@ -30,11 +30,17 @@ static unsigned signal_class[] = { · 29 unmodified lines | ||
| 30 | 30 | |
| 31 | 31 | int audit_classify_arch(int arch) |
| 32 | 32 | { |
| 33 | − return 0; | |
| 33 | + if (audit_is_compat(arch)) | |
| 34 | + return 1; | |
| 35 | + else | |
| 36 | + return 0; | |
| 34 | 37 | } |
| 35 | 38 | |
| 36 | 39 | int audit_classify_syscall(int abi, unsigned syscall) |
| 37 | 40 | { |
| 41 | + if (audit_is_compat(abi)) | |
| 42 | + return audit_classify_compat_syscall(abi, syscall); | |
| 43 | + | |
| 38 | 44 | switch(syscall) { |
| 39 | 45 | #ifdef __NR_open |
| 40 | 46 | case __NR_open: |
| @@ -57,6 +63,13 @@ int audit_classify_syscall(int abi, unsigned syscall) · 16 unmodified lines | ||
| 57 | 63 | |
| 58 | 64 | static int __init audit_classes_init(void) |
| 59 | 65 | { |
| 66 | +#ifdef CONFIG_AUDIT_COMPAT_GENERIC | |
| 67 | + audit_register_class(AUDIT_CLASS_WRITE_32, compat_write_class); | |
| 68 | + audit_register_class(AUDIT_CLASS_READ_32, compat_read_class); | |
| 69 | + audit_register_class(AUDIT_CLASS_DIR_WRITE_32, compat_dir_class); | |
| 70 | + audit_register_class(AUDIT_CLASS_CHATTR_32, compat_chattr_class); | |
| 71 | + audit_register_class(AUDIT_CLASS_SIGNAL_32, compat_signal_class); | |
| 72 | +#endif | |
| 60 | 73 | audit_register_class(AUDIT_CLASS_WRITE, write_class); |
| 61 | 74 | audit_register_class(AUDIT_CLASS_READ, read_class); |
| 62 | 75 | audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class); |
| @@ -0,0 +1,50 @@ | ||
| 1 | +#include <linux/init.h> | |
| 2 | +#include <linux/types.h> | |
| 3 | +#include <asm/unistd32.h> | |
| 4 | + | |
| 5 | +unsigned compat_dir_class[] = { | |
| 6 | +#include <asm-generic/audit_dir_write.h> | |
| 7 | +~0U | |
| 8 | +}; | |
| 9 | + | |
| 10 | +unsigned compat_read_class[] = { | |
| 11 | +#include <asm-generic/audit_read.h> | |
| 12 | +~0U | |
| 13 | +}; | |
| 14 | + | |
| 15 | +unsigned compat_write_class[] = { | |
| 16 | +#include <asm-generic/audit_write.h> | |
| 17 | +~0U | |
| 18 | +}; | |
| 19 | + | |
| 20 | +unsigned compat_chattr_class[] = { | |
| 21 | +#include <asm-generic/audit_change_attr.h> | |
| 22 | +~0U | |
| 23 | +}; | |
| 24 | + | |
| 25 | +unsigned compat_signal_class[] = { | |
| 26 | +#include <asm-generic/audit_signal.h> | |
| 27 | +~0U | |
| 28 | +}; | |
| 29 | + | |
| 30 | +int audit_classify_compat_syscall(int abi, unsigned syscall) | |
| 31 | +{ | |
| 32 | + switch (syscall) { | |
| 33 | +#ifdef __NR_open | |
| 34 | + case __NR_open: | |
| 35 | + return 2; | |
| 36 | +#endif | |
| 37 | +#ifdef __NR_openat | |
| 38 | + case __NR_openat: | |
| 39 | + return 3; | |
| 40 | +#endif | |
| 41 | +#ifdef __NR_socketcall | |
| 42 | + case __NR_socketcall: | |
| 43 | + return 4; | |
| 44 | +#endif | |
| 45 | + case __NR_execve: | |
| 46 | + return 5; | |
| 47 | + default: | |
| 48 | + return 1; | |
| 49 | + } | |
| 50 | +} | |