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* Copyright (c) 2021 Omar Polo <op@omarpolo.com>
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#include "gmid.h"
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#if DISABLE_SANDBOX
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#warning "Sandbox disabled! Please report issues upstream instead of disabling the sandbox."
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sandbox_server_process(void)
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sandbox_executor_process(void)
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log_notice(NULL, "Sandbox disabled! "
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"Please report issues upstream instead of disabling the sandbox.");
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sandbox_logger_process(void)
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#elif defined(__FreeBSD__)
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#include <sys/capsicum.h>
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sandbox_server_process(void)
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if (cap_enter() == -1)
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fatal("cap_enter");
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sandbox_executor_process(void)
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* We cannot capsicum the executor process because it needs to
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* fork(2)+execve(2) cgi scripts
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sandbox_logger_process(void)
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if (cap_enter() == -1)
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fatal("cap_enter");
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#elif defined(__linux__)
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#include <sys/ioctl.h>
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#include <sys/prctl.h>
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#include <sys/syscall.h>
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#include <sys/syscall.h>
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#include <sys/types.h>
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#include <linux/audit.h>
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#include <linux/filter.h>
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#include <linux/seccomp.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#if HAVE_LANDLOCK
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# include "landlock_shim.h"
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/* uncomment to enable debugging. ONLY FOR DEVELOPMENT */
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/* #define SC_DEBUG */
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#ifdef SC_DEBUG
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# define SC_FAIL SECCOMP_RET_TRAP
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# define SC_FAIL SECCOMP_RET_KILL
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#if (BYTE_ORDER == LITTLE_ENDIAN)
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# define SC_ARG_LO 0
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# define SC_ARG_HI sizeof(uint32_t)
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#elif (BYTE_ORDER == BIG_ENDIAN)
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# define SC_ARG_LO sizeof(uint32_t)
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# define SC_ARG_HI 0
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# error "Uknown endian"
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/* make the filter more readable */
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#define SC_ALLOW(nr) \
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BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, __NR_##nr, 0, 1), \
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BPF_STMT(BPF_RET | BPF_K, SECCOMP_RET_ALLOW)
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* SC_ALLOW_ARG and the SECCOMP_AUDIT_ARCH below are courtesy of
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* https://roy.marples.name/git/dhcpcd/blob/HEAD:/src/privsep-linux.c
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#define SC_ALLOW_ARG(_nr, _arg, _val) \
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BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, (_nr), 0, 6), \
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BPF_STMT(BPF_LD + BPF_W + BPF_ABS, \
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offsetof(struct seccomp_data, args[(_arg)]) + SC_ARG_LO), \
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BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, \
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((_val) & 0xffffffff), 0, 3), \
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BPF_STMT(BPF_LD + BPF_W + BPF_ABS, \
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offsetof(struct seccomp_data, args[(_arg)]) + SC_ARG_HI), \
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BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, \
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(((uint32_t)((uint64_t)(_val) >> 32)) & 0xffffffff), 0, 1), \
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BPF_STMT(BPF_RET + BPF_K, SECCOMP_RET_ALLOW), \
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BPF_STMT(BPF_LD + BPF_W + BPF_ABS, \
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offsetof(struct seccomp_data, nr))
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* I personally find this quite nutty. Why can a system header not
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* define a default for this?
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#if defined(__i386__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_I386
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#elif defined(__x86_64__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_X86_64
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#elif defined(__arc__)
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# if defined(__A7__)
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# if (BYTE_ORDER == LITTLE_ENDIAN)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCOMPACT
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCOMPACTBE
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# elif defined(__HS__)
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# if (BYTE_ORDER == LITTLE_ENDIAN)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCV2
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCV2BE
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# error "Platform does not support seccomp filter yet"
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#elif defined(__arm__)
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# ifndef EM_ARM
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# define EM_ARM 40
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# if (BYTE_ORDER == LITTLE_ENDIAN)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARM
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARMEB
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#elif defined(__aarch64__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_AARCH64
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#elif defined(__alpha__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ALPHA
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#elif defined(__hppa__)
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# if defined(__LP64__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_PARISC64
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_PARISC
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#elif defined(__ia64__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_IA64
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#elif defined(__microblaze__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_MICROBLAZE
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#elif defined(__m68k__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_M68K
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#elif defined(__mips__)
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# if defined(__MIPSEL__)
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# if defined(__LP64__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_MIPSEL64
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_MIPSEL
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# elif defined(__LP64__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_MIPS64
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_MIPS
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#elif defined(__nds32__)
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# if (BYTE_ORDER == LITTLE_ENDIAN)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_NDS32
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_NDS32BE
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#elif defined(__nios2__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_NIOS2
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#elif defined(__or1k__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_OPENRISC
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#elif defined(__powerpc64__)
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# if (BYTE_ORDER == LITTLE_ENDIAN)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_PPC64LE
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_PPC64
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#elif defined(__powerpc__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_PPC
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#elif defined(__riscv)
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# if defined(__LP64__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_RISCV64
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_RISCV32
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#elif defined(__s390x__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_S390X
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#elif defined(__s390__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_S390
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#elif defined(__sh__)
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# if defined(__LP64__)
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# if (BYTE_ORDER == LITTLE_ENDIAN)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_SHEL64
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_SH64
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# if (BYTE_ORDER == LITTLE_ENDIAN)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_SHEL
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_SH
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#elif defined(__sparc__)
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# if defined(__arch64__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_SPARC64
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_SPARC
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#elif defined(__xtensa__)
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# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_XTENSA
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# error "Platform does not support seccomp filter yet"
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static const struct sock_filter filter[] = {
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/* load the *current* architecture */
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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(offsetof(struct seccomp_data, arch))),
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/* ensure it's the same that we've been compiled on */
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BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K,
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SECCOMP_AUDIT_ARCH, 1, 0),
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/* if not, kill the program */
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BPF_STMT(BPF_RET | BPF_K, SC_FAIL),
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/* load the syscall number */
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BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
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(offsetof(struct seccomp_data, nr))),
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#ifdef __NR_accept
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SC_ALLOW(accept),
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#ifdef __NR_accept4
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SC_ALLOW(accept4),
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#ifdef __NR_brk
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SC_ALLOW(brk),
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#ifdef __NR_clock_gettime
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SC_ALLOW(clock_gettime),
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#if defined(__x86_64__) && defined(__ILP32__) && defined(__X32_SYSCALL_BIT)
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SECCOMP_ALLOW(__NR_clock_gettime & ~__X32_SYSCALL_BIT),
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#ifdef __NR_clock_gettime64
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SC_ALLOW(clock_gettime64),
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#ifdef __NR_close
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SC_ALLOW(close),
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#ifdef __NR_epoll_ctl
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SC_ALLOW(epoll_ctl),
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#ifdef __NR_epoll_pwait
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SC_ALLOW(epoll_pwait),
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#ifdef __NR_epoll_wait
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SC_ALLOW(epoll_wait),
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#ifdef __NR_exit
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SC_ALLOW(exit),
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op
#ifdef __NR_exit_group
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SC_ALLOW(exit_group),
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op
#ifdef __NR_fcntl
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SC_ALLOW(fcntl),
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#ifdef __NR_fcntl64
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SC_ALLOW(fcntl64),
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op
#ifdef __NR_fstat
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op
SC_ALLOW(fstat),
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2021-07-23
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#ifdef __NR_fstat64
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op
SC_ALLOW(fstat64),
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2022-02-13
op
#ifdef __NR_fstatat64
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2022-02-13
op
SC_ALLOW(fstatat64),
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2021-07-02
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#ifdef __NR_getdents64
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op
SC_ALLOW(getdents64),
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#ifdef __NR_getpid
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SC_ALLOW(getpid),
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op
#ifdef __NR_getrandom
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op
SC_ALLOW(getrandom),
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op
#ifdef __NR_gettimeofday
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SC_ALLOW(gettimeofday),
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#ifdef __NR_ioctl
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/* allow ioctl on fd 1, glibc doing stuff? */
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2021-10-18
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SC_ALLOW_ARG(__NR_ioctl, 0, 1),
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2021-09-26
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/* allow FIONREAD needed by libevent */
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2021-09-26
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SC_ALLOW_ARG(__NR_ioctl, 1, FIONREAD),
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2022-02-13
op
#ifdef __NR__llseek
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SC_ALLOW(_llseek),
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op
#ifdef __NR_lseek
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op
SC_ALLOW(lseek),
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2021-07-02
op
#ifdef __NR_madvise
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2021-07-02
op
SC_ALLOW(madvise),
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2021-07-02
op
#ifdef __NR_mmap
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2021-07-02
op
SC_ALLOW(mmap),
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2021-07-02
op
#ifdef __NR_mmap2
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2021-07-02
op
SC_ALLOW(mmap2),
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2021-07-02
op
#ifdef __NR_munmap
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2021-07-02
op
SC_ALLOW(munmap),
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2021-07-02
op
#ifdef __NR_newfstatat
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2021-07-02
op
SC_ALLOW(newfstatat),
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2021-07-02
op
#ifdef __NR_oldfstat
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2021-07-02
op
SC_ALLOW(oldfstat),
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2021-07-02
op
#ifdef __NR_openat
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2022-02-13
op
SC_ALLOW_ARG(__NR_openat, 3, O_RDONLY),
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2021-07-02
op
#ifdef __NR_prlimit64
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2021-07-02
op
SC_ALLOW(prlimit64),
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2021-07-02
op
#ifdef __NR_read
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2021-07-02
op
SC_ALLOW(read),
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2021-07-02
op
#ifdef __NR_recvmsg
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2021-07-02
op
SC_ALLOW(recvmsg),
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2021-07-23
op
#ifdef __NR_readv
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2021-07-23
op
SC_ALLOW(readv),
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2021-07-02
op
#ifdef __NR_rt_sigaction
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2021-07-02
op
SC_ALLOW(rt_sigaction),
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2021-07-02
op
#ifdef __NR_rt_sigreturn
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2021-07-02
op
SC_ALLOW(rt_sigreturn),
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2021-07-02
op
#ifdef __NR_sendmsg
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2021-07-02
op
SC_ALLOW(sendmsg),
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2022-02-13
op
#ifdef __NR_sigreturn
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2022-02-13
op
SC_ALLOW(sigreturn),
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2021-07-02
op
#ifdef __NR_statx
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2021-07-02
op
SC_ALLOW(statx),
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2021-12-11
vdrummer
#ifdef __NR_ugetrlimit
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2021-12-11
vdrummer
SC_ALLOW(ugetrlimit),
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2021-12-11
vdrummer
#endif
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2021-07-02
op
#ifdef __NR_write
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2021-07-02
op
SC_ALLOW(write),
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2021-07-02
op
#ifdef __NR_writev
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2021-07-02
op
SC_ALLOW(writev),
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2021-07-03
op
/* disallow everything else */
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op
BPF_STMT(BPF_RET | BPF_K, SC_FAIL),
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2021-01-17
op
#ifdef SC_DEBUG
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2021-01-17
op
#include <signal.h>
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2021-01-17
op
#include <unistd.h>
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2021-01-17
op
static void
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2021-01-17
op
sandbox_seccomp_violation(int signum, siginfo_t *info, void *ctx)
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2021-01-17
op
fprintf(stderr, "%s: unexpected system call (arch:0x%x,syscall:%d @ %p)\n",
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2021-01-17
op
__func__, info->si_arch, info->si_syscall, info->si_call_addr);
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2021-01-17
op
_exit(1);
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2021-01-17
op
static void
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2021-01-17
op
sandbox_seccomp_catch_sigsys(void)
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2021-01-17
op
struct sigaction act;
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2021-01-17
op
sigset_t mask;
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2021-01-17
op
memset(&act, 0, sizeof(act));
420
2021-01-17
op
sigemptyset(&mask);
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2021-01-17
op
sigaddset(&mask, SIGSYS);
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2021-01-17
op
act.sa_sigaction = &sandbox_seccomp_violation;
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2021-01-17
op
act.sa_flags = SA_SIGINFO;
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2021-02-11
op
if (sigaction(SIGSYS, &act, NULL) == -1)
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2021-02-11
op
fatal("%s: sigaction(SIGSYS): %s",
427
2021-01-17
op
__func__, strerror(errno));
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2021-02-11
op
if (sigprocmask(SIG_UNBLOCK, &mask, NULL) == -1)
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2021-02-11
op
fatal("%s: sigprocmask(SIGSYS): %s\n",
431
2021-01-17
op
__func__, strerror(errno));
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2021-01-17
op
#endif /* SC_DEBUG */
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2021-09-19
op
#if HAVE_LANDLOCK
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2021-09-19
op
static inline int
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2021-09-25
op
open_landlock(void)
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2022-03-19
op
const struct landlock_ruleset_attr attr = {
442
2022-02-10
op
.handled_access_fs = LANDLOCK_ACCESS_FS_EXECUTE |
443
2022-02-10
op
LANDLOCK_ACCESS_FS_READ_FILE |
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2022-02-10
op
LANDLOCK_ACCESS_FS_READ_DIR |
445
2022-02-10
op
LANDLOCK_ACCESS_FS_WRITE_FILE |
446
2022-02-10
op
LANDLOCK_ACCESS_FS_REMOVE_DIR |
447
2022-02-10
op
LANDLOCK_ACCESS_FS_REMOVE_FILE |
448
2022-02-10
op
LANDLOCK_ACCESS_FS_MAKE_CHAR |
449
2022-02-10
op
LANDLOCK_ACCESS_FS_MAKE_DIR |
450
2022-02-10
op
LANDLOCK_ACCESS_FS_MAKE_REG |
451
2022-02-10
op
LANDLOCK_ACCESS_FS_MAKE_SOCK |
452
2022-02-10
op
LANDLOCK_ACCESS_FS_MAKE_FIFO |
453
2022-02-10
op
LANDLOCK_ACCESS_FS_MAKE_BLOCK |
454
2022-02-10
op
LANDLOCK_ACCESS_FS_MAKE_SYM,
457
2021-09-25
op
fd = landlock_create_ruleset(&attr, sizeof(attr), 0);
458
2021-09-19
op
if (fd == -1) {
459
2021-09-19
op
switch (errno) {
460
2021-09-19
op
case ENOSYS:
461
2021-09-19
op
fatal("%s: failed to create ruleset. "
462
2021-09-19
op
"Landlock doesn't seem to be supported by the "
463
2021-09-19
op
"current kernel.", __func__);
464
2021-09-19
op
case EOPNOTSUPP:
465
2021-09-19
op
log_warn(NULL, "%s: failed to create ruleset. "
466
2021-09-19
op
"Landlock seems to be currently disabled; "
467
2021-09-19
op
"continuing without it.", __func__);
470
2021-09-19
op
fatal("%s: failed to create ruleset: %s",
471
2021-09-19
op
__func__, strerror(errno));
475
2021-09-19
op
return fd;
478
2021-09-25
op
static int
479
2021-09-25
op
landlock_unveil_path(int landlock_fd, const char *path, int perms)
481
2021-09-25
op
struct landlock_path_beneath_attr pb;
482
2021-09-25
op
int err, saved_errno;
484
2021-09-25
op
pb.allowed_access = perms;
486
2021-09-25
op
if ((pb.parent_fd = open(path, O_PATH)) == -1)
487
2021-09-25
op
return -1;
489
2021-09-25
op
err = landlock_add_rule(landlock_fd, LANDLOCK_RULE_PATH_BENEATH,
491
2021-09-25
op
saved_errno = errno;
492
2021-09-25
op
close(pb.parent_fd);
493
2021-09-25
op
errno = saved_errno;
494
2021-09-25
op
return err ? -1 : 0;
497
2021-09-25
op
static int
498
2021-09-25
op
landlock_apply(int fd)
500
2021-09-25
op
int r, saved_errno;
502
2021-09-25
op
if (fd == -1)
503
2021-09-25
op
return 0;
505
2021-09-25
op
r = landlock_restrict_self(fd, 0);
506
2021-09-25
op
saved_errno = errno;
507
2021-09-25
op
close(fd);
508
2021-09-25
op
errno = saved_errno;
509
2021-09-25
op
return r ? -1 : 0;
512
2021-09-19
op
static int
513
2021-09-19
op
server_landlock(void)
515
2021-09-25
op
int fd, perms;
516
2021-09-19
op
struct vhost *h;
517
2021-09-19
op
struct location *l;
520
2021-09-19
op
* These are all the actions allowed for the root directories
521
2021-09-25
op
* of the vhosts.
523
2021-09-25
op
perms = LANDLOCK_ACCESS_FS_READ_FILE | LANDLOCK_ACCESS_FS_READ_DIR;
525
2021-09-25
op
if ((fd = open_landlock()) == -1)
526
2021-09-25
op
return 0;
528
2021-09-19
op
TAILQ_FOREACH(h, &hosts, vhosts) {
529
2021-09-19
op
TAILQ_FOREACH(l, &h->locations, locations) {
530
2021-09-19
op
if (l->dir == NULL)
531
2021-09-19
op
continue;
533
2021-09-25
op
if (landlock_unveil_path(fd, l->dir, perms) == -1)
534
2021-09-25
op
fatal("%s: landlock_unveil_path(%s): %s",
535
2021-09-19
op
__func__, l->dir, strerror(errno));
539
2021-09-25
op
return landlock_apply(fd);
542
2021-09-19
op
static int
543
2021-09-19
op
logger_landlock(void)
547
2021-09-25
op
if ((fd = open_landlock()) == -1)
548
2021-09-25
op
return 0;
550
2021-09-25
op
/* no rules. the logger doesn't need fs access at all. */
552
2021-09-25
op
return landlock_apply(fd);
557
2021-03-20
op
sandbox_server_process(void)
559
2022-03-19
op
const struct sock_fprog prog = {
560
2021-01-17
op
.len = (unsigned short) (sizeof(filter) / sizeof(filter[0])),
561
2021-01-17
op
.filter = filter,
564
2021-01-17
op
#ifdef SC_DEBUG
565
2021-01-17
op
sandbox_seccomp_catch_sigsys();
568
2021-02-11
op
if (prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0) == -1)
569
2021-02-11
op
fatal("%s: prctl(PR_SET_NO_NEW_PRIVS): %s",
570
2021-01-17
op
__func__, strerror(errno));
572
2021-09-19
op
#if HAVE_LANDLOCK
573
2021-09-25
op
if (server_landlock() == -1)
574
2021-09-25
op
fatal("%s: server_landlock: %s",
575
2021-09-25
op
__func__, strerror(errno));
578
2021-02-11
op
if (prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &prog) == -1)
579
2021-02-11
op
fatal("%s: prctl(PR_SET_SECCOMP): %s\n",
580
2021-01-17
op
__func__, strerror(errno));
584
2021-03-20
op
sandbox_executor_process(void)
587
2021-07-07
op
* We cannot use seccomp for the executor process because we
588
2021-03-20
op
* don't know what the child will do. Also, our filter will
589
2021-03-20
op
* be inherited so the child cannot set its own seccomp
590
2021-07-07
op
* policy.
596
2021-03-20
op
sandbox_logger_process(void)
599
2021-09-19
op
* Here we could use a seccomp filter to allow only recvfd,
600
2021-09-19
op
* write/writev and memory allocations, but syslog is a beast
601
2021-09-19
op
* and I don't know what syscalls it could end up doing.
602
2021-09-19
op
* Landlock is a simpler beast, use it to disallow any file
603
2021-09-19
op
* sytsem access.
606
2021-10-02
op
if (prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0) == -1)
607
2021-10-02
op
fatal("%s: prctl(PR_SET_NO_NEW_PRIVS): %s",
608
2021-10-02
op
__func__, strerror(errno));
610
2021-09-19
op
#if HAVE_LANDLOCK
611
2021-09-25
op
if (logger_landlock() == -1)
612
2021-09-25
op
fatal("%s: logger_landlock: %s",
613
2021-09-19
op
__func__, strerror(errno));
619
2021-01-15
op
#elif defined(__OpenBSD__)
621
2021-01-15
op
#include <unistd.h>
624
2021-03-20
op
sandbox_server_process(void)
626
2021-04-30
op
struct vhost *h;
627
2021-04-30
op
struct location *l;
629
2021-03-31
op
TAILQ_FOREACH(h, &hosts, vhosts) {
630
2021-04-30
op
TAILQ_FOREACH(l, &h->locations, locations) {
631
2021-04-30
op
if (l->dir == NULL)
632
2021-04-30
op
continue;
634
2021-04-30
op
if (unveil(l->dir, "r") == -1)
635
2021-04-30
op
fatal("unveil %s for domain %s",
637
2021-04-30
op
h->domain);
641
2021-01-16
op
if (pledge("stdio recvfd rpath inet", NULL) == -1)
642
2021-02-11
op
fatal("pledge");
646
2021-03-20
op
sandbox_executor_process(void)
648
2021-03-31
op
struct vhost *h;
649
2021-04-30
op
struct location *l;
650
2021-05-09
op
struct fcgi *f;
651
2021-05-09
op
size_t i;
653
2021-03-31
op
TAILQ_FOREACH(h, &hosts, vhosts) {
654
2021-04-30
op
TAILQ_FOREACH(l, &h->locations, locations) {
655
2021-04-30
op
if (l->dir == NULL)
656
2021-04-30
op
continue;
658
2021-07-09
op
/* r so we can chdir into the directory */
659
2021-04-30
op
if (unveil(l->dir, "rx") == -1)
660
2021-04-30
op
fatal("unveil %s for domain %s",
661
2021-04-30
op
l->dir, h->domain);
665
2021-05-09
op
for (i = 0; i < FCGI_MAX; i++) {
666
2021-10-18
op
f = &fcgi[i];
667
2021-05-09
op
if (f->path != NULL) {
668
2021-05-09
op
if (unveil(f->path, "rw") == -1)
669
2021-05-09
op
fatal("unveil %s", f->path);
672
2021-05-09
op
if (f->prog != NULL) {
673
2021-05-09
op
if (unveil(f->prog, "rx") == -1)
674
2021-05-09
op
fatal("unveil %s", f->prog);
679
2021-05-09
op
* rpath: to chdir into the correct directory
680
2021-05-09
op
* proc exec: CGI
681
2021-05-09
op
* dns inet unix: FastCGI
683
2021-05-09
op
if (pledge("stdio rpath sendfd proc exec dns inet unix", NULL))
684
2021-03-20
op
err(1, "pledge");
688
2021-03-20
op
sandbox_logger_process(void)
690
2021-06-15
op
if (pledge("stdio recvfd", NULL) == -1)
691
2021-03-20
op
err(1, "pledge");
696
2021-03-20
op
#warning "No sandbox method known for this OS"
699
2021-03-20
op
sandbox_server_process(void)
705
2021-03-20
op
sandbox_executor_process(void)
707
2021-02-11
op
log_notice(NULL, "no sandbox method known for this OS");
711
2021-03-20
op
sandbox_logger_process(void)
