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Copy pathppm_flag_helpers.h
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ppm_flag_helpers.h
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// SPDX-License-Identifier: GPL-2.0-only OR MIT
/*
Copyright (C) 2023 The Falco Authors.
This file is dual licensed under either the MIT or GPL 2. See MIT.txt
or GPL2.txt for full copies of the license.
*/
#ifndef PPM_FLAG_HELPERS_H_
#define PPM_FLAG_HELPERS_H_
/* The ASSERT is defined in other files that we don't
* want to inlcude with the modern probe. `ppm.h`
*/
#ifdef __USE_VMLINUX__
#define ASSERT(expr)
#endif
#ifdef __KERNEL__
#include <linux/mman.h>
#include <linux/futex.h>
#include <linux/ptrace.h>
#include <linux/capability.h>
#include <linux/eventpoll.h>
#include <linux/prctl.h>
#include <linux/splice.h>
#ifdef __NR_finit_module
#include <uapi/linux/module.h>
#endif
#include "ppm.h"
#ifdef __NR_memfd_create
#include <uapi/linux/memfd.h>
#endif
#ifdef __NR_io_uring_register
#include <uapi/linux/io_uring.h>
#endif
#ifdef __NR_umount2
#include <linux/fs.h>
#endif
#endif // ifndef __KERNEL__
#ifndef __always_inline
#define __always_inline inline
#endif
// When this file is included in userspace
#if !defined(__KERNEL__) && !defined(__USE_VMLINUX__)
#include <linux/futex.h>
#include <linux/dqblk_xfs.h>
#endif
#define PPM_MS_MGC_MSK 0xffff0000
#define PPM_MS_MGC_VAL 0xC0ED0000
/* Check if the res is different from `PPM_SUCCESS` */
#define CHECK_RES(x) \
if(unlikely(x != PPM_SUCCESS)) { \
return x; \
}
static __always_inline uint32_t open_flags_to_scap(uint32_t flags) {
uint32_t res = 0;
switch(flags & (O_RDONLY | O_WRONLY | O_RDWR)) {
case O_WRONLY:
res |= PPM_O_WRONLY;
break;
case O_RDWR:
res |= PPM_O_RDWR;
break;
default:
res |= PPM_O_RDONLY;
break;
}
if(flags & O_CREAT)
res |= PPM_O_CREAT;
#ifdef O_TMPFILE
if(flags & O_TMPFILE)
res |= PPM_O_TMPFILE;
#endif
if(flags & O_APPEND)
res |= PPM_O_APPEND;
#ifdef O_DSYNC
if(flags & O_DSYNC)
res |= PPM_O_DSYNC;
#endif
if(flags & O_EXCL)
res |= PPM_O_EXCL;
#ifdef O_NONBLOCK
if(flags & O_NONBLOCK)
res |= PPM_O_NONBLOCK;
#endif
#ifdef O_SYNC
if(flags & O_SYNC)
res |= PPM_O_SYNC;
#endif
if(flags & O_TRUNC)
res |= PPM_O_TRUNC;
#ifdef O_DIRECT
if(flags & O_DIRECT)
res |= PPM_O_DIRECT;
#endif
#ifdef O_DIRECTORY
if(flags & O_DIRECTORY)
res |= PPM_O_DIRECTORY;
#endif
#ifdef O_LARGEFILE
if(flags & O_LARGEFILE)
res |= PPM_O_LARGEFILE;
#endif
#ifdef O_CLOEXEC
if(flags & O_CLOEXEC)
res |= PPM_O_CLOEXEC;
#endif
return res;
}
static __always_inline uint32_t open_modes_to_scap(unsigned long flags, unsigned long modes) {
// This file is used also in userspace so we cannot use `KERNEL_VERSION` macro without an ifdef
#ifdef __KERNEL__
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)
unsigned long flags_mask = O_CREAT | O_TMPFILE;
#else
unsigned long flags_mask = O_CREAT;
#endif
#else
unsigned long flags_mask = O_CREAT | O_TMPFILE;
#endif
uint32_t res = 0;
if((flags & flags_mask) == 0)
return res;
if(modes & S_IRUSR)
res |= PPM_S_IRUSR;
if(modes & S_IWUSR)
res |= PPM_S_IWUSR;
if(modes & S_IXUSR)
res |= PPM_S_IXUSR;
/*
* PPM_S_IRWXU == S_IRUSR | S_IWUSR | S_IXUSR
*/
if(modes & S_IRGRP)
res |= PPM_S_IRGRP;
if(modes & S_IWGRP)
res |= PPM_S_IWGRP;
if(modes & S_IXGRP)
res |= PPM_S_IXGRP;
/*
* PPM_S_IRWXG == S_IRGRP | S_IWGRP | S_IXGRP
*/
if(modes & S_IROTH)
res |= PPM_S_IROTH;
if(modes & S_IWOTH)
res |= PPM_S_IWOTH;
if(modes & S_IXOTH)
res |= PPM_S_IXOTH;
/*
* PPM_S_IRWXO == S_IROTH | S_IWOTH | S_IXOTH
*/
if(modes & S_ISUID)
res |= PPM_S_ISUID;
if(modes & S_ISGID)
res |= PPM_S_ISGID;
if(modes & S_ISVTX)
res |= PPM_S_ISVTX;
return res;
}
static __always_inline uint32_t openat2_resolve_to_scap(unsigned long flags) {
uint32_t res = 0;
#ifdef RESOLVE_NO_XDEV
if(flags & RESOLVE_NO_XDEV)
res |= PPM_RESOLVE_NO_XDEV;
#endif
#ifdef RESOLVE_NO_MAGICLINKS
if(flags & RESOLVE_NO_MAGICLINKS)
res |= PPM_RESOLVE_NO_MAGICLINKS;
#endif
#ifdef RESOLVE_NO_SYMLINKS
if(flags & RESOLVE_NO_SYMLINKS)
res |= PPM_RESOLVE_NO_SYMLINKS;
#endif
#ifdef RESOLVE_BENEATH
if(flags & RESOLVE_BENEATH)
res |= PPM_RESOLVE_BENEATH;
#endif
#ifdef RESOLVE_IN_ROOT
if(flags & RESOLVE_IN_ROOT)
res |= PPM_RESOLVE_IN_ROOT;
#endif
#ifdef RESOLVE_CACHED
if(flags & RESOLVE_CACHED)
res |= PPM_RESOLVE_CACHED;
#endif
return res;
}
static __always_inline uint32_t io_uring_setup_flags_to_scap(unsigned long flags) {
uint32_t res = 0;
#ifdef IORING_SETUP_IOPOLL
if(flags & IORING_SETUP_IOPOLL)
res |= PPM_IORING_SETUP_IOPOLL;
#endif
#ifdef IORING_SETUP_SQPOLL
if(flags & IORING_SETUP_SQPOLL)
res |= PPM_IORING_SETUP_SQPOLL;
#endif
#ifdef IORING_SQ_NEED_WAKEUP
if(flags & IORING_SQ_NEED_WAKEUP)
res |= PPM_IORING_SQ_NEED_WAKEUP;
#endif
#ifdef IORING_SETUP_SQ_AFF
if(flags & IORING_SETUP_SQ_AFF)
res |= PPM_IORING_SETUP_SQ_AFF;
#endif
#ifdef IORING_SETUP_CQSIZE
if(flags & IORING_SETUP_CQSIZE)
res |= PPM_IORING_SETUP_CQSIZE;
#endif
#ifdef IORING_SETUP_CLAMP
if(flags & IORING_SETUP_CLAMP)
res |= PPM_IORING_SETUP_CLAMP;
#endif
#ifdef IORING_SETUP_ATTACH_WQ
if(flags & IORING_SETUP_ATTACH_WQ)
res |= PPM_IORING_SETUP_ATTACH_WQ;
#endif
#ifdef IORING_SETUP_R_DISABLED
if(flags & IORING_SETUP_R_DISABLED)
res |= PPM_IORING_SETUP_R_DISABLED;
#endif
return res;
}
static __always_inline uint32_t io_uring_setup_feats_to_scap(unsigned long flags) {
uint32_t res = 0;
#ifdef IORING_FEAT_SINGLE_MMAP
if(flags & IORING_FEAT_SINGLE_MMAP)
res |= PPM_IORING_FEAT_SINGLE_MMAP;
#endif
#ifdef IORING_FEAT_NODROP
if(flags & IORING_FEAT_NODROP)
res |= PPM_IORING_FEAT_NODROP;
#endif
#ifdef IORING_FEAT_SUBMIT_STABLE
if(flags & IORING_FEAT_SUBMIT_STABLE)
res |= PPM_IORING_FEAT_SUBMIT_STABLE;
#endif
#ifdef IORING_FEAT_RW_CUR_POS
if(flags & IORING_FEAT_RW_CUR_POS)
res |= PPM_IORING_FEAT_RW_CUR_POS;
#endif
#ifdef IORING_FEAT_CUR_PERSONALITY
if(flags & IORING_FEAT_CUR_PERSONALITY)
res |= PPM_IORING_FEAT_CUR_PERSONALITY;
#endif
#ifdef IORING_FEAT_FAST_POLL
if(flags & IORING_FEAT_FAST_POLL)
res |= PPM_IORING_FEAT_FAST_POLL;
#endif
#ifdef IORING_FEAT_POLL_32BITS
if(flags & IORING_FEAT_POLL_32BITS)
res |= PPM_IORING_FEAT_POLL_32BITS;
#endif
#ifdef IORING_FEAT_SQPOLL_NONFIXED
if(flags & IORING_FEAT_SQPOLL_NONFIXED)
res |= PPM_IORING_FEAT_SQPOLL_NONFIXED;
#endif
#ifdef IORING_FEAT_ENTER_EXT_ARG
if(flags & IORING_FEAT_ENTER_EXT_ARG)
res |= PPM_IORING_FEAT_ENTER_EXT_ARG;
#endif
#ifdef IORING_FEAT_NATIVE_WORKERS
if(flags & IORING_FEAT_NATIVE_WORKERS)
res |= PPM_IORING_FEAT_NATIVE_WORKERS;
#endif
#ifdef IORING_FEAT_RSRC_TAGS
if(flags & IORING_FEAT_RSRC_TAGS)
res |= PPM_IORING_FEAT_RSRC_TAGS;
#endif
return res;
}
static __always_inline uint32_t io_uring_enter_flags_to_scap(unsigned long flags) {
uint32_t res = 0;
#ifdef IORING_ENTER_GETEVENTS
if(flags & IORING_ENTER_GETEVENTS)
res |= PPM_IORING_ENTER_GETEVENTS;
#endif
#ifdef IORING_ENTER_SQ_WAKEUP
if(flags & IORING_ENTER_SQ_WAKEUP)
res |= PPM_IORING_ENTER_SQ_WAKEUP;
#endif
#ifdef IORING_ENTER_SQ_WAIT
if(flags & IORING_ENTER_SQ_WAIT)
res |= PPM_IORING_ENTER_SQ_WAIT;
#endif
#ifdef IORING_ENTER_EXT_ARG
if(flags & IORING_ENTER_EXT_ARG)
res |= PPM_IORING_ENTER_EXT_ARG;
#endif
return res;
}
static __always_inline uint32_t io_uring_register_opcodes_to_scap(unsigned long flags) {
/*
* io_uring_register opcodes are defined via enum in io_uring.h.
* It is userspace API (thus stable) and arch independent.
* Therefore we map them 1:1; if any unmapped flag arrives,
* we will just print its value to userspace without mapping it to a string flag.
* We then need to append new flags to both flags_table and ppm_events_public PPM_ flags.
*/
return flags;
}
/* Here we don't define new flags for `inotify` since under the hood it uses the open flags.
*
* `/include/uapi/linux/inotify.h` from kernel source tree.
*
* #define IN_CLOEXEC O_CLOEXEC
* #define IN_NONBLOCK O_NONBLOCK
*/
static __always_inline uint16_t inotify_init1_flags_to_scap(int32_t flags) {
uint16_t res = 0;
/* We need to explicitly handle the negative case otherwise `-1` will match all `flags & ...` */
if(flags < 0) {
return res;
}
#ifdef O_NONBLOCK
if(flags & O_NONBLOCK)
res |= PPM_O_NONBLOCK;
#endif
#ifdef O_CLOEXEC
if(flags & O_CLOEXEC)
res |= PPM_O_CLOEXEC;
#endif
return res;
}
/* Here we don't define new flags for `eventfd2` since under the hood it uses the open flags.
*
* `/include/linux/eventd.h` from kernel source tree.
*
* #define EFD_SEMAPHORE (1 << 0) <--- we don't catch this flag right now.
* #define EFD_CLOEXEC O_CLOEXEC
* #define EFD_NONBLOCK O_NONBLOCK
*/
static __always_inline uint16_t eventfd2_flags_to_scap(int32_t flags) {
uint16_t res = 0;
/* We need to explicitly handle the negative case otherwise `-1` will match all `flags & ...` */
if(flags < 0) {
return res;
}
#ifdef O_NONBLOCK
if(flags & O_NONBLOCK)
res |= PPM_O_NONBLOCK;
#endif
#ifdef O_CLOEXEC
if(flags & O_CLOEXEC)
res |= PPM_O_CLOEXEC;
#endif
return res;
}
/* Here we don't define new flags for `signalfd4` since under the hood it uses the open flags.
*
* `/include/uapi/linux/signalfd.h` from kernel source tree.
*
* #define SFD_CLOEXEC O_CLOEXEC
* #define SFD_NONBLOCK O_NONBLOCK
*/
static __always_inline uint16_t signalfd4_flags_to_scap(int32_t flags) {
uint16_t res = 0;
/* We need to explicitly handle the negative case otherwise `-1` will match all `flags & ...` */
if(flags < 0) {
return res;
}
#ifdef O_NONBLOCK
if(flags & O_NONBLOCK)
res |= PPM_O_NONBLOCK;
#endif
#ifdef O_CLOEXEC
if(flags & O_CLOEXEC)
res |= PPM_O_CLOEXEC;
#endif
return res;
}
static __always_inline uint32_t clone_flags_to_scap(int flags) {
uint32_t res = 0;
if(flags & CLONE_FILES)
res |= PPM_CL_CLONE_FILES;
if(flags & CLONE_FS)
res |= PPM_CL_CLONE_FS;
#ifdef CLONE_IO
if(flags & CLONE_IO)
res |= PPM_CL_CLONE_IO;
#endif
#ifdef CLONE_NEWIPC
if(flags & CLONE_NEWIPC)
res |= PPM_CL_CLONE_NEWIPC;
#endif
#ifdef CLONE_NEWNET
if(flags & CLONE_NEWNET)
res |= PPM_CL_CLONE_NEWNET;
#endif
#ifdef CLONE_NEWNS
if(flags & CLONE_NEWNS)
res |= PPM_CL_CLONE_NEWNS;
#endif
#ifdef CLONE_NEWPID
if(flags & CLONE_NEWPID)
res |= PPM_CL_CLONE_NEWPID;
#endif
#ifdef CLONE_NEWUTS
if(flags & CLONE_NEWUTS)
res |= PPM_CL_CLONE_NEWUTS;
#endif
if(flags & CLONE_PARENT_SETTID)
res |= PPM_CL_CLONE_PARENT_SETTID;
if(flags & CLONE_PARENT)
res |= PPM_CL_CLONE_PARENT;
if(flags & CLONE_PTRACE)
res |= PPM_CL_CLONE_PTRACE;
if(flags & CLONE_SIGHAND)
res |= PPM_CL_CLONE_SIGHAND;
if(flags & CLONE_SYSVSEM)
res |= PPM_CL_CLONE_SYSVSEM;
if(flags & CLONE_THREAD)
res |= PPM_CL_CLONE_THREAD;
if(flags & CLONE_UNTRACED)
res |= PPM_CL_CLONE_UNTRACED;
if(flags & CLONE_VM)
res |= PPM_CL_CLONE_VM;
#ifdef CLONE_NEWUSER
if(flags & CLONE_NEWUSER)
res |= PPM_CL_CLONE_NEWUSER;
#endif
if(flags & CLONE_CHILD_CLEARTID)
res |= PPM_CL_CLONE_CHILD_CLEARTID;
if(flags & CLONE_CHILD_SETTID)
res |= PPM_CL_CLONE_CHILD_SETTID;
if(flags & CLONE_SETTLS)
res |= PPM_CL_CLONE_SETTLS;
#ifdef CLONE_STOPPED
if(flags & CLONE_STOPPED)
res |= PPM_CL_CLONE_STOPPED;
#endif
if(flags & CLONE_VFORK)
res |= PPM_CL_CLONE_VFORK;
#ifdef CLONE_NEWCGROUP
if(flags & CLONE_NEWCGROUP)
res |= PPM_CL_CLONE_NEWCGROUP;
#endif
return res;
}
static __always_inline uint8_t socket_family_to_scap(uint8_t family) {
if(family == AF_INET)
return PPM_AF_INET;
else if(family == AF_INET6)
return PPM_AF_INET6;
else if(family == AF_UNIX)
return PPM_AF_UNIX;
#ifdef AF_NETLINK
else if(family == AF_NETLINK)
return PPM_AF_NETLINK;
#endif
#ifdef AF_PACKET
else if(family == AF_PACKET)
return PPM_AF_PACKET;
#endif
#ifdef AF_UNSPEC
else if(family == AF_UNSPEC)
return PPM_AF_UNSPEC;
#endif
#ifdef AF_AX25
else if(family == AF_AX25)
return PPM_AF_AX25;
#endif
#ifdef AF_IPX
else if(family == AF_IPX)
return PPM_AF_IPX;
#endif
#ifdef AF_APPLETALK
else if(family == AF_APPLETALK)
return PPM_AF_APPLETALK;
#endif
#ifdef AF_NETROM
else if(family == AF_NETROM)
return PPM_AF_NETROM;
#endif
#ifdef AF_BRIDGE
else if(family == AF_BRIDGE)
return PPM_AF_BRIDGE;
#endif
#ifdef AF_ATMPVC
else if(family == AF_ATMPVC)
return PPM_AF_ATMPVC;
#endif
#ifdef AF_X25
else if(family == AF_X25)
return PPM_AF_X25;
#endif
#ifdef AF_ROSE
else if(family == AF_ROSE)
return PPM_AF_ROSE;
#endif
#ifdef AF_DECnet
else if(family == AF_DECnet)
return PPM_AF_DECnet;
#endif
#ifdef AF_NETBEUI
else if(family == AF_NETBEUI)
return PPM_AF_NETBEUI;
#endif
#ifdef AF_SECURITY
else if(family == AF_SECURITY)
return PPM_AF_SECURITY;
#endif
#ifdef AF_KEY
else if(family == AF_KEY)
return PPM_AF_KEY;
#endif
#ifdef AF_ROUTE
else if(family == AF_ROUTE)
return PPM_AF_ROUTE;
#endif
#ifdef AF_ASH
else if(family == AF_ASH)
return PPM_AF_ASH;
#endif
#ifdef AF_ECONET
else if(family == AF_ECONET)
return PPM_AF_ECONET;
#endif
#ifdef AF_ATMSVC
else if(family == AF_ATMSVC)
return PPM_AF_ATMSVC;
#endif
#ifdef AF_RDS
else if(family == AF_RDS)
return PPM_AF_RDS;
#endif
#ifdef AF_SNA
else if(family == AF_SNA)
return PPM_AF_SNA;
#endif
#ifdef AF_IRDA
else if(family == AF_IRDA)
return PPM_AF_IRDA;
#endif
#ifdef AF_PPPOX
else if(family == AF_PPPOX)
return PPM_AF_PPPOX;
#endif
#ifdef AF_WANPIPE
else if(family == AF_WANPIPE)
return PPM_AF_WANPIPE;
#endif
#ifdef AF_LLC
else if(family == AF_LLC)
return PPM_AF_LLC;
#endif
#ifdef AF_CAN
else if(family == AF_CAN)
return PPM_AF_CAN;
#endif
#ifdef AF_TIPC
else if(family == AF_TIPC)
return PPM_AF_TIPC;
#endif
#ifdef AF_BLUETOOTH
else if(family == AF_BLUETOOTH)
return PPM_AF_BLUETOOTH;
#endif
#ifdef AF_IUCV
else if(family == AF_IUCV)
return PPM_AF_IUCV;
#endif
#ifdef AF_RXRPC
else if(family == AF_RXRPC)
return PPM_AF_RXRPC;
#endif
#ifdef AF_ISDN
else if(family == AF_ISDN)
return PPM_AF_ISDN;
#endif
#ifdef AF_PHONET
else if(family == AF_PHONET)
return PPM_AF_PHONET;
#endif
#ifdef AF_IEEE802154
else if(family == AF_IEEE802154)
return PPM_AF_IEEE802154;
#endif
#ifdef AF_CAIF
else if(family == AF_CAIF)
return PPM_AF_CAIF;
#endif
#ifdef AF_ALG
else if(family == AF_ALG)
return PPM_AF_ALG;
#endif
#ifdef AF_NFC
else if(family == AF_NFC)
return PPM_AF_NFC;
#endif
else {
ASSERT(false);
return PPM_AF_UNSPEC;
}
}
static __always_inline uint32_t prot_flags_to_scap(int prot) {
uint32_t res = 0;
if(prot & PROT_READ)
res |= PPM_PROT_READ;
if(prot & PROT_WRITE)
res |= PPM_PROT_WRITE;
if(prot & PROT_EXEC)
res |= PPM_PROT_EXEC;
#ifdef PROT_SEM
if(prot & PROT_SEM)
res |= PPM_PROT_SEM;
#endif
if(prot & PROT_GROWSDOWN)
res |= PPM_PROT_GROWSDOWN;
if(prot & PROT_GROWSUP)
res |= PPM_PROT_GROWSUP;
#ifdef PROT_SAO
if(prot & PROT_SAO)
res |= PPM_PROT_SAO;
#endif
return res;
}
static __always_inline uint32_t mmap_flags_to_scap(int flags) {
uint32_t res = 0;
if(flags & MAP_SHARED)
res |= PPM_MAP_SHARED;
if(flags & MAP_PRIVATE)
res |= PPM_MAP_PRIVATE;
if(flags & MAP_FIXED)
res |= PPM_MAP_FIXED;
if(flags & MAP_ANONYMOUS)
res |= PPM_MAP_ANONYMOUS;
#ifdef MAP_32BIT
if(flags & MAP_32BIT)
res |= PPM_MAP_32BIT;
#endif
#ifdef MAP_RENAME
if(flags & MAP_RENAME)
res |= PPM_MAP_RENAME;
#endif
if(flags & MAP_NORESERVE)
res |= PPM_MAP_NORESERVE;
if(flags & MAP_POPULATE)
res |= PPM_MAP_POPULATE;
if(flags & MAP_NONBLOCK)
res |= PPM_MAP_NONBLOCK;
if(flags & MAP_GROWSDOWN)
res |= PPM_MAP_GROWSDOWN;
if(flags & MAP_DENYWRITE)
res |= PPM_MAP_DENYWRITE;
if(flags & MAP_EXECUTABLE)
res |= PPM_MAP_EXECUTABLE;
#ifdef MAP_INHERIT
if(flags & MAP_INHERIT)
res |= PPM_MAP_INHERIT;
#endif
if(flags & MAP_FILE)
res |= PPM_MAP_FILE;
if(flags & MAP_LOCKED)
res |= PPM_MAP_LOCKED;
return res;
}
static __always_inline uint8_t fcntl_cmd_to_scap(unsigned long cmd) {
switch(cmd) {
case F_DUPFD:
return PPM_FCNTL_F_DUPFD;
case F_GETFD:
return PPM_FCNTL_F_GETFD;
case F_SETFD:
return PPM_FCNTL_F_SETFD;
case F_GETFL:
return PPM_FCNTL_F_GETFL;
case F_SETFL:
return PPM_FCNTL_F_SETFL;
case F_GETLK:
return PPM_FCNTL_F_GETLK;
case F_SETLK:
return PPM_FCNTL_F_SETLK;
case F_SETLKW:
return PPM_FCNTL_F_SETLKW;
case F_SETOWN:
return PPM_FCNTL_F_SETOWN;
case F_GETOWN:
return PPM_FCNTL_F_GETOWN;
case F_SETSIG:
return PPM_FCNTL_F_SETSIG;
case F_GETSIG:
return PPM_FCNTL_F_GETSIG;
// In userspace we don't want to include these flags to avoid duplicate values.
#if !defined(CONFIG_64BIT) && (defined(__KERNEL__) || defined(__USE_VMLINUX__))
case F_GETLK64:
return PPM_FCNTL_F_GETLK64;
case F_SETLK64:
return PPM_FCNTL_F_SETLK64;
case F_SETLKW64:
return PPM_FCNTL_F_SETLKW64;
#endif
#ifdef F_SETOWN_EX
case F_SETOWN_EX:
return PPM_FCNTL_F_SETOWN_EX;
#endif
#ifdef F_GETOWN_EX
case F_GETOWN_EX:
return PPM_FCNTL_F_GETOWN_EX;
#endif
case F_SETLEASE:
return PPM_FCNTL_F_SETLEASE;
case F_GETLEASE:
return PPM_FCNTL_F_GETLEASE;
case F_CANCELLK:
return PPM_FCNTL_F_CANCELLK;
#ifdef F_DUPFD_CLOEXEC
case F_DUPFD_CLOEXEC:
return PPM_FCNTL_F_DUPFD_CLOEXEC;
#endif
case F_NOTIFY:
return PPM_FCNTL_F_NOTIFY;
#ifdef F_SETPIPE_SZ
case F_SETPIPE_SZ:
return PPM_FCNTL_F_SETPIPE_SZ;
#endif
#ifdef F_GETPIPE_SZ
case F_GETPIPE_SZ:
return PPM_FCNTL_F_GETPIPE_SZ;
#endif
#ifdef F_OFD_GETLK
case F_OFD_GETLK:
return PPM_FCNTL_F_OFD_GETLK;
#endif
#ifdef F_OFD_SETLK
case F_OFD_SETLK:
return PPM_FCNTL_F_OFD_SETLK;
#endif
#ifdef F_OFD_SETLKW
case F_OFD_SETLKW:
return PPM_FCNTL_F_OFD_SETLKW;
#endif
default:
return PPM_FCNTL_UNKNOWN;
}
}
static __always_inline uint8_t sockopt_level_to_scap(int level) {
switch(level) {
case SOL_SOCKET:
return PPM_SOCKOPT_LEVEL_SOL_SOCKET;
#ifdef SOL_TCP
case SOL_TCP:
return PPM_SOCKOPT_LEVEL_SOL_TCP;
#endif
default:
/* no ASSERT as there are legitimate other levels we don't just support yet */
return PPM_SOCKOPT_LEVEL_UNKNOWN;
}
}
static __always_inline uint8_t sockopt_optname_to_scap(int level, int optname) {
if(level != SOL_SOCKET) {
/* no ASSERT as there are legitimate other levels we don't just support yet */
return PPM_SOCKOPT_LEVEL_UNKNOWN;
}
switch(optname) {
#ifdef SO_DEBUG
case SO_DEBUG:
return PPM_SOCKOPT_SO_DEBUG;
#endif
#ifdef SO_REUSEADDR
case SO_REUSEADDR:
return PPM_SOCKOPT_SO_REUSEADDR;
#endif
#ifdef SO_TYPE
case SO_TYPE:
return PPM_SOCKOPT_SO_TYPE;
#endif
#ifdef SO_ERROR
case SO_ERROR:
return PPM_SOCKOPT_SO_ERROR;
#endif
#ifdef SO_DONTROUTE
case SO_DONTROUTE:
return PPM_SOCKOPT_SO_DONTROUTE;
#endif
#ifdef SO_BROADCAST
case SO_BROADCAST:
return PPM_SOCKOPT_SO_BROADCAST;
#endif
#ifdef SO_SNDBUF
case SO_SNDBUF:
return PPM_SOCKOPT_SO_SNDBUF;
#endif
#ifdef SO_RCVBUF
case SO_RCVBUF:
return PPM_SOCKOPT_SO_RCVBUF;
#endif
#ifdef SO_SNDBUFFORCE
case SO_SNDBUFFORCE:
return PPM_SOCKOPT_SO_SNDBUFFORCE;
#endif
#ifdef SO_RCVBUFFORCE
case SO_RCVBUFFORCE:
return PPM_SOCKOPT_SO_RCVBUFFORCE;
#endif
#ifdef SO_KEEPALIVE
case SO_KEEPALIVE:
return PPM_SOCKOPT_SO_KEEPALIVE;
#endif
#ifdef SO_OOBINLINE
case SO_OOBINLINE:
return PPM_SOCKOPT_SO_OOBINLINE;
#endif
#ifdef SO_NO_CHECK
case SO_NO_CHECK:
return PPM_SOCKOPT_SO_NO_CHECK;
#endif
#ifdef SO_PRIORITY
case SO_PRIORITY:
return PPM_SOCKOPT_SO_PRIORITY;
#endif
#ifdef SO_LINGER
case SO_LINGER:
return PPM_SOCKOPT_SO_LINGER;
#endif
#ifdef SO_BSDCOMPAT
case SO_BSDCOMPAT:
return PPM_SOCKOPT_SO_BSDCOMPAT;
#endif
#ifdef SO_REUSEPORT
case SO_REUSEPORT:
return PPM_SOCKOPT_SO_REUSEPORT;
#endif
#ifdef SO_PASSCRED
case SO_PASSCRED:
return PPM_SOCKOPT_SO_PASSCRED;
#endif
#ifdef SO_PEERCRED
case SO_PEERCRED:
return PPM_SOCKOPT_SO_PEERCRED;
#endif
#ifdef SO_RCVLOWAT
case SO_RCVLOWAT:
return PPM_SOCKOPT_SO_RCVLOWAT;
#endif
#ifdef SO_SNDLOWAT
case SO_SNDLOWAT:
return PPM_SOCKOPT_SO_SNDLOWAT;
#endif
/* We use this workaround to avoid 2 switch cases with the same value.
* An `elif` approach is not enough if `SO_RCVTIMEO` is not defined.
* In this case we have only `SO_RCVTIMEO_OLD` and `SO_RCVTIMEO_NEW` so
* we couldn't be able to detect the right flag value, for example:
* `SO_RCVTIMEO_OLD` is defined so we compile only this branch, but
* actual value of `SO_RCVTIMEO` is `SO_RCVTIMEO_NEW`.
* https://github.com/torvalds/linux/commit/a9beb86ae6e55bd92f38453c8623de60b8e5a308
*/
#ifdef SO_RCVTIMEO
case SO_RCVTIMEO:
return PPM_SOCKOPT_SO_RCVTIMEO;
#endif
#if(defined(SO_RCVTIMEO_OLD) && !defined(SO_RCVTIMEO)) || \
(defined(SO_RCVTIMEO_OLD) && (SO_RCVTIMEO_OLD != SO_RCVTIMEO))
case SO_RCVTIMEO_OLD:
return PPM_SOCKOPT_SO_RCVTIMEO;
#endif
#if(defined(SO_RCVTIMEO_NEW) && !defined(SO_RCVTIMEO)) || \
(defined(SO_RCVTIMEO_NEW) && (SO_RCVTIMEO_NEW != SO_RCVTIMEO))