diff options
Diffstat (limited to 'src/common/sandbox.c')
| -rw-r--r-- | src/common/sandbox.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/src/common/sandbox.c b/src/common/sandbox.c index 7067a72c7..743d79ded 100644 --- a/src/common/sandbox.c +++ b/src/common/sandbox.c @@ -1444,6 +1444,24 @@ install_syscall_filter(sandbox_cfg_t* cfg) return (rc < 0 ? -rc : rc); } +#include "linux_syscalls.inc" +static const char * +get_syscall_name(int syscall_num) +{ + int i; + for (i = 0; SYSCALLS_BY_NUMBER[i].syscall_name; ++i) { + if (SYSCALLS_BY_NUMBER[i].syscall_num == syscall_num) + return SYSCALLS_BY_NUMBER[i].syscall_name; + } + + { + static char syscall_name_buf[64]; + format_dec_number_sigsafe(syscall_num, + syscall_name_buf, sizeof(syscall_name_buf)); + return syscall_name_buf; + } +} + #ifdef USE_BACKTRACE #define MAX_DEPTH 256 static void *syscall_cb_buf[MAX_DEPTH]; @@ -1458,7 +1476,7 @@ static void sigsys_debugging(int nr, siginfo_t *info, void *void_context) { ucontext_t *ctx = (ucontext_t *) (void_context); - char number[32]; + const char *syscall_name; int syscall; #ifdef USE_BACKTRACE int depth; @@ -1483,9 +1501,10 @@ sigsys_debugging(int nr, siginfo_t *info, void *void_context) clean_backtrace(syscall_cb_buf, depth, ctx); #endif - format_dec_number_sigsafe(syscall, number, sizeof(number)); + syscall_name = get_syscall_name(syscall); + tor_log_err_sigsafe("(Sandbox) Caught a bad syscall attempt (syscall ", - number, + syscall_name, ")\n", NULL); |