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Fix bugs and add security features to redbean

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- Fix a regression with the previous change that broke redbean
- Add chroot(), resource limit, seccomp, and other stuff to redbean
- Write lots and lots of documentation
- Iron out more system call issues
This commit is contained in:
Justine Tunney 2022-04-18 00:01:26 -07:00
parent f1dfa4bdfa
commit 7166679620
182 changed files with 1855 additions and 918 deletions
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11
libc/calls/getrlimit.c
View file

@ -21,6 +21,7 @@
#include "libc/calls/strace.internal.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/sysv/consts/rlimit.h"
#include "libc/sysv/errfuns.h"
/**
@ -36,10 +37,16 @@ int getrlimit(int resource, struct rlimit *rlim) {
char buf[64];
if (resource == 127) {
rc = einval();
} else if (IsAsan() && !__asan_is_valid(rlim, sizeof(*rlim))) {
} else if (!rlim || (IsAsan() && !__asan_is_valid(rlim, sizeof(*rlim)))) {
rc = efault();
} else {
} else if (!IsWindows()) {
rc = sys_getrlimit(resource, rlim);
} else if (resource == RLIMIT_AS) {
rlim->rlim_cur = __virtualmax;
rlim->rlim_max = __virtualmax;
rc = 0;
} else {
rc = einval();
}
STRACE("getrlimit(%s, [%s]) → %d% m", __strace_rlimit_name(resource),
__strace_rlimit(buf, sizeof(buf), rc, rlim), rc);