On 05/21/2018 09:01 PM, Amit Malav wrote:
Hi Pautl. Thanks for the swift response. But i'm getting following error while compiling above code.#gcc test-seccomp.c -l seccomp -o seccomp In file included from test-seccomp.c:6:0: test-seccomp.c: In function ‘main’: test-seccomp.c:37:51: error: ‘__NR_argv’ undeclared (first use in this function) seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(argv[iterator]), 0); ^ test-seccomp.c:37:51: note: each undeclared identifier is reported only once for each function it appears in Am i doing something wrong here? Can this be achieved differently?
I admit I didn't look through the entire thread, so my apologies up front. SCMP_SYS() is a helper macro that converts syscall names (read, write, open, mmap, etc.) into their respective numbers for that particular architecture (0, 1, 2, 9, etc. for the aforementioned list on x86_64). /** * Convert a syscall name into the associated syscall number * @param x the syscall name */ #define SCMP_SYS(x) (__NR_##x) Passing argv[] into SCMP_SYS will be stringified into __NR_argv[] which is not a valid syscall number. Regards. Tom -- You received this message because you are subscribed to the Google Groups "libseccomp" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. For more options, visit https://groups.google.com/d/optout.
