uipc_syscalls.c File Reference

#include <sys/cdefs.h>
#include "opt_capsicum.h"
#include "opt_inet.h"
#include "opt_inet6.h"
#include "opt_ktrace.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/capsicum.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/sysproto.h>
#include <sys/malloc.h>
#include <sys/filedesc.h>
#include <sys/proc.h>
#include <sys/filio.h>
#include <sys/jail.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/rwlock.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/syscallsubr.h>
#include <sys/sysent.h>
#include <sys/uio.h>
#include <sys/un.h>
#include <sys/unpcb.h>
#include <net/vnet.h>
#include <security/audit/audit.h>
#include <security/mac/mac_framework.h>

Include dependency graph for uipc_syscalls.c:

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Functions
	__FBSDID ("$FreeBSD$")
static int	sendit (struct thread *td, int s, struct msghdr *mp, int flags)
static int	recvit (struct thread *td, int s, struct msghdr *mp, void *namelenp)
static int	accept1 (struct thread *td, int s, struct sockaddr *uname, socklen_t *anamelen, int flags)
static int	sockargs (struct mbuf **, char *, socklen_t, int)
int	getsock_cap (struct thread *td, int fd, cap_rights_t *rightsp, struct file **fpp, u_int *fflagp, struct filecaps *havecapsp)
int	sys_socket (struct thread *td, struct socket_args *uap)
int	kern_socket (struct thread *td, int domain, int type, int protocol)
int	sys_bind (struct thread *td, struct bind_args *uap)
int	kern_bindat (struct thread *td, int dirfd, int fd, struct sockaddr *sa)
int	sys_bindat (struct thread *td, struct bindat_args *uap)
int	sys_listen (struct thread *td, struct listen_args *uap)
int	kern_listen (struct thread *td, int s, int backlog)
int	kern_accept (struct thread *td, int s, struct sockaddr **name, socklen_t *namelen, struct file **fp)
int	kern_accept4 (struct thread *td, int s, struct sockaddr **name, socklen_t *namelen, int flags, struct file **fp)
int	sys_accept (struct thread *td, struct accept_args *uap)
int	sys_accept4 (struct thread *td, struct accept4_args *uap)
int	sys_connect (struct thread *td, struct connect_args *uap)
int	kern_connectat (struct thread *td, int dirfd, int fd, struct sockaddr *sa)
int	sys_connectat (struct thread *td, struct connectat_args *uap)
int	kern_socketpair (struct thread *td, int domain, int type, int protocol, int *rsv)
int	sys_socketpair (struct thread *td, struct socketpair_args *uap)
int	kern_sendit (struct thread *td, int s, struct msghdr *mp, int flags, struct mbuf *control, enum uio_seg segflg)
int	sys_sendto (struct thread *td, struct sendto_args *uap)
int	sys_sendmsg (struct thread *td, struct sendmsg_args *uap)
int	kern_recvit (struct thread *td, int s, struct msghdr *mp, enum uio_seg fromseg, struct mbuf **controlp)
static int	kern_recvfrom (struct thread *td, int s, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlenaddr)
int	sys_recvfrom (struct thread *td, struct recvfrom_args *uap)
int	sys_recvmsg (struct thread *td, struct recvmsg_args *uap)
int	sys_shutdown (struct thread *td, struct shutdown_args *uap)
int	kern_shutdown (struct thread *td, int s, int how)
int	sys_setsockopt (struct thread *td, struct setsockopt_args *uap)
int	kern_setsockopt (struct thread *td, int s, int level, int name, const void *val, enum uio_seg valseg, socklen_t valsize)
int	sys_getsockopt (struct thread *td, struct getsockopt_args *uap)
int	kern_getsockopt (struct thread *td, int s, int level, int name, void *val, enum uio_seg valseg, socklen_t *valsize)
static int	user_getsockname (struct thread *td, int fdes, struct sockaddr *asa, socklen_t *alen, bool compat)
int	kern_getsockname (struct thread *td, int fd, struct sockaddr **sa, socklen_t *alen)
int	sys_getsockname (struct thread *td, struct getsockname_args *uap)
static int	user_getpeername (struct thread *td, int fdes, struct sockaddr *asa, socklen_t *alen, bool compat)
int	kern_getpeername (struct thread *td, int fd, struct sockaddr **sa, socklen_t *alen)
int	sys_getpeername (struct thread *td, struct getpeername_args *uap)
int	getsockaddr (struct sockaddr **namp, const struct sockaddr *uaddr, size_t len)
void	m_dispose_extcontrolm (struct mbuf *m)

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

accept1()

static int accept1 ( struct thread *  td, int  s, struct sockaddr *  uname, socklen_t *  anamelen, int  flags  )

static

Definition at line 266 of file uipc_syscalls.c.

References fdclose(), flags, free(), kern_accept4(), and name.

Referenced by sys_accept(), and sys_accept4().

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getsock_cap()

int getsock_cap	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		struct file **	fpp,
		u_int *	fflagp,
		struct filecaps *	havecapsp
	)

Definition at line 90 of file uipc_syscalls.c.

References fd, fget_cap(), and filecaps_free().

Referenced by kern_accept4(), kern_bindat(), kern_connectat(), kern_getpeername(), kern_getsockname(), kern_getsockopt(), kern_listen(), kern_recvit(), kern_sendit(), kern_setsockopt(), kern_shutdown(), and sendfile_getsock().

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getsockaddr()

int getsockaddr	(	struct sockaddr **	namp,
		const struct sockaddr *	uaddr,
		size_t	len
	)

Definition at line 1548 of file uipc_syscalls.c.

References free(), and malloc().

Referenced by sendit(), sys_bind(), sys_bindat(), sys_connect(), and sys_connectat().

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kern_accept()

int kern_accept	(	struct thread *	td,
		int	s,
		struct sockaddr **	name,
		socklen_t *	namelen,
		struct file **	fp
	)

Definition at line 310 of file uipc_syscalls.c.

References kern_accept4(), and name.

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kern_accept4()

int kern_accept4	(	struct thread *	td,
		int	s,
		struct sockaddr **	name,
		socklen_t *	namelen,
		int	flags,
		struct file **	fp
	)

Definition at line 317 of file uipc_syscalls.c.

References cap_accept_rights, falloc_caps(), fd, fdclose(), fgetown(), filecaps_free(), finit(), flags, free(), fsetown(), getsock_cap(), name, soaccept(), socketops, and solisten_dequeue().

Referenced by accept1(), and kern_accept().

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kern_bindat()

int kern_bindat	(	struct thread *	td,
		int	dirfd,
		int	fd,
		struct sockaddr *	sa
	)

Definition at line 182 of file uipc_syscalls.c.

References cap_bind_rights, dirfd, fd, getsock_cap(), sobind(), and sobindat().

Referenced by sys_bind(), and sys_bindat().

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kern_connectat()

int kern_connectat	(	struct thread *	td,
		int	dirfd,
		int	fd,
		struct sockaddr *	sa
	)

Definition at line 479 of file uipc_syscalls.c.

References cap_connect_rights, dirfd, fd, getsock_cap(), and soconnectat().

Referenced by sys_connect(), and sys_connectat().

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kern_getpeername()

int kern_getpeername	(	struct thread *	td,
		int	fd,
		struct sockaddr **	sa,
		socklen_t *	alen
	)

Definition at line 1452 of file uipc_syscalls.c.

References cap_getpeername_rights, fd, free(), and getsock_cap().

Referenced by user_getpeername().

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kern_getsockname()

int kern_getsockname	(	struct thread *	td,
		int	fd,
		struct sockaddr **	sa,
		socklen_t *	alen
	)

Definition at line 1370 of file uipc_syscalls.c.

References cap_getsockname_rights, fd, free(), and getsock_cap().

Referenced by user_getsockname().

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kern_getsockopt()

int kern_getsockopt	(	struct thread *	td,
		int	s,
		int	level,
		int	name,
		void *	val,
		enum uio_seg	valseg,
		socklen_t *	valsize
	)

Definition at line 1299 of file uipc_syscalls.c.

References cap_getsockopt_rights, getsock_cap(), level, name, panic(), and sogetopt().

Referenced by sys_getsockopt().

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kern_listen()

int kern_listen	(	struct thread *	td,
		int	s,
		int	backlog
	)

Definition at line 241 of file uipc_syscalls.c.

References cap_listen_rights, getsock_cap(), and solisten().

Referenced by sys_listen().

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kern_recvfrom()

static int kern_recvfrom ( struct thread *  td, int  s, void *  buf, size_t  len, int  flags, struct sockaddr *  from, socklen_t *  fromlenaddr  )

static

Definition at line 1071 of file uipc_syscalls.c.

References buf, flags, and recvit().

Referenced by sys_recvfrom().

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kern_recvit()

int kern_recvit	(	struct thread *	td,
		int	s,
		struct msghdr *	mp,
		enum uio_seg	fromseg,
		struct mbuf **	controlp
	)

Definition at line 897 of file uipc_syscalls.c.

References cap_recv_rights, cloneuio(), free(), getsock_cap(), m_dispose_extcontrolm(), m_freem(), and soreceive().

Referenced by recvit().

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kern_sendit()

int kern_sendit	(	struct thread *	td,
		int	s,
		struct msghdr *	mp,
		int	flags,
		struct mbuf *	control,
		enum uio_seg	segflg
	)

Definition at line 719 of file uipc_syscalls.c.

References cap_send_connect_rights, cap_send_rights, cloneuio(), flags, getsock_cap(), m_freem(), sosend(), and tdsignal().

Referenced by sendit().

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kern_setsockopt()

int kern_setsockopt	(	struct thread *	td,
		int	s,
		int	level,
		int	name,
		const void *	val,
		enum uio_seg	valseg,
		socklen_t	valsize
	)

Definition at line 1234 of file uipc_syscalls.c.

References cap_setsockopt_rights, getsock_cap(), level, name, panic(), and sosetopt().

Referenced by sys_setsockopt().

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kern_shutdown()

int kern_shutdown	(	struct thread *	td,
		int	s,
		int	how
	)

Definition at line 1199 of file uipc_syscalls.c.

References cap_shutdown_rights, getsock_cap(), and soshutdown().

Referenced by sys_shutdown().

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kern_socket()

int kern_socket	(	struct thread *	td,
		int	domain,
		int	type,
		int	protocol
	)

Definition at line 126 of file uipc_syscalls.c.

References domain, fd, fdclose(), finit(), socketops, socreate(), and type.

Referenced by sys_socket().

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kern_socketpair()

int kern_socketpair	(	struct thread *	td,
		int	domain,
		int	type,
		int	protocol,
		int *	rsv
	)

Definition at line 552 of file uipc_syscalls.c.

References domain, fd, fdclose(), finit(), socketops, soclose(), soconnect2(), socreate(), type, and unp_copy_peercred().

Referenced by sys_socketpair().

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m_dispose_extcontrolm()

void m_dispose_extcontrolm

(

struct mbuf *

m

)

Definition at line 1579 of file uipc_syscalls.c.

References cap_no_rights, fd, fdclose(), fget(), and panic().

Referenced by kern_recvit().

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recvit()

static int recvit ( struct thread *  td, int  s, struct msghdr *  mp, void *  namelenp  )

static

Definition at line 1052 of file uipc_syscalls.c.

References kern_recvit().

Referenced by kern_recvfrom(), and sys_recvmsg().

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sendit()

static int sendit ( struct thread *  td, int  s, struct msghdr *  mp, int  flags  )

static

Definition at line 659 of file uipc_syscalls.c.

References flags, free(), getsockaddr(), kern_sendit(), and sockargs().

Referenced by sys_sendmsg(), and sys_sendto().

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sockargs()

static int sockargs ( struct mbuf **  mp, char *  buf, socklen_t  buflen, int  type  )

static

Definition at line 1510 of file uipc_syscalls.c.

References buf, m_get2(), and type.

Referenced by sendit().

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sys_accept()

int sys_accept	(	struct thread *	td,
		struct accept_args *	uap
	)

Definition at line 434 of file uipc_syscalls.c.

References accept1().

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sys_accept4()

int sys_accept4	(	struct thread *	td,
		struct accept4_args *	uap
	)

Definition at line 443 of file uipc_syscalls.c.

References accept1().

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sys_bind()

int sys_bind	(	struct thread *	td,
		struct bind_args *	uap
	)

Definition at line 168 of file uipc_syscalls.c.

References free(), getsockaddr(), and kern_bindat().

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sys_bindat()

int sys_bindat	(	struct thread *	td,
		struct bindat_args *	uap
	)

Definition at line 220 of file uipc_syscalls.c.

References free(), getsockaddr(), and kern_bindat().

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sys_connect()

int sys_connect	(	struct thread *	td,
		struct connect_args *	uap
	)

Definition at line 465 of file uipc_syscalls.c.

References free(), getsockaddr(), and kern_connectat().

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sys_connectat()

int sys_connectat	(	struct thread *	td,
		struct connectat_args *	uap
	)

Definition at line 538 of file uipc_syscalls.c.

References free(), getsockaddr(), and kern_connectat().

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sys_getpeername()

int sys_getpeername	(	struct thread *	td,
		struct getpeername_args *	uap
	)

Definition at line 1496 of file uipc_syscalls.c.

References user_getpeername().

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sys_getsockname()

int sys_getsockname	(	struct thread *	td,
		struct getsockname_args *	uap
	)

Definition at line 1409 of file uipc_syscalls.c.

References user_getsockname().

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sys_getsockopt()

int sys_getsockopt	(	struct thread *	td,
		struct getsockopt_args *	uap
	)

Definition at line 1275 of file uipc_syscalls.c.

References kern_getsockopt().

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sys_listen()

int sys_listen	(	struct thread *	td,
		struct listen_args *	uap
	)

Definition at line 234 of file uipc_syscalls.c.

References kern_listen().

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sys_recvfrom()

int sys_recvfrom	(	struct thread *	td,
		struct recvfrom_args *	uap
	)

Definition at line 1099 of file uipc_syscalls.c.

References kern_recvfrom().

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sys_recvmsg()

int sys_recvmsg	(	struct thread *	td,
		struct recvmsg_args *	uap
	)

Definition at line 1163 of file uipc_syscalls.c.

References copyiniov(), free(), and recvit().

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sys_sendmsg()

int sys_sendmsg	(	struct thread *	td,
		struct sendmsg_args *	uap
	)

Definition at line 874 of file uipc_syscalls.c.

References copyiniov(), free(), and sendit().

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sys_sendto()

int sys_sendto	(	struct thread *	td,
		struct sendto_args *	uap
	)

Definition at line 815 of file uipc_syscalls.c.

References sendit().

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sys_setsockopt()

int sys_setsockopt	(	struct thread *	td,
		struct setsockopt_args *	uap
	)

Definition at line 1226 of file uipc_syscalls.c.

References kern_setsockopt().

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sys_shutdown()

int sys_shutdown	(	struct thread *	td,
		struct shutdown_args *	uap
	)

Definition at line 1192 of file uipc_syscalls.c.

References kern_shutdown().

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sys_socket()

int sys_socket	(	struct thread *	td,
		struct socket_args *	uap
	)

Definition at line 119 of file uipc_syscalls.c.

References kern_socket().

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sys_socketpair()

int sys_socketpair	(	struct thread *	td,
		struct socketpair_args *	uap
	)

Definition at line 642 of file uipc_syscalls.c.

References kern_close(), and kern_socketpair().

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user_getpeername()

static int user_getpeername ( struct thread *  td, int  fdes, struct sockaddr *  asa, socklen_t *  alen, bool  compat  )

static

Definition at line 1423 of file uipc_syscalls.c.

References compat, free(), and kern_getpeername().

Referenced by sys_getpeername().

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user_getsockname()

static int user_getsockname ( struct thread *  td, int  fdes, struct sockaddr *  asa, socklen_t *  alen, bool  compat  )

static

Definition at line 1341 of file uipc_syscalls.c.

References compat, free(), and kern_getsockname().

Referenced by sys_getsockname().

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