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Differential D21997 Diff 63629 sys/netinet/sctp_syscalls.c

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sys/netinet/sctp_syscalls.c

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#include <sys/syscallsubr.h> #include <sys/syscallsubr.h>
#include <sys/sysctl.h> #include <sys/sysctl.h>
#include <sys/uio.h> #include <sys/uio.h>
#include <sys/vnode.h> #include <sys/vnode.h>
#ifdef KTRACE #ifdef KTRACE
#include <sys/ktrace.h> #include <sys/ktrace.h>
#endif #endif
#ifdef COMPAT_FREEBSD32 #ifdef COMPAT_FREEBSD32
#include <compat/freebsd32/freebsd32.h>
#include <compat/freebsd32/freebsd32_syscall.h>
#include <compat/freebsd32/freebsd32_util.h> #include <compat/freebsd32/freebsd32_util.h>
#endif #endif
#include <net/vnet.h> #include <net/vnet.h>
#include <security/audit/audit.h> #include <security/audit/audit.h>
#include <security/mac/mac_framework.h> #include <security/mac/mac_framework.h>
#include <netinet/sctp.h> #include <netinet/sctp.h>
#include <netinet/sctp_os_bsd.h>
#include <netinet/sctp_peeloff.h> #include <netinet/sctp_peeloff.h>
static struct syscall_helper_data sctp_syscalls[] = { static struct syscall_helper_data sctp_syscalls[] = {
SYSCALL_INIT_HELPER_F(sctp_peeloff, SYF_CAPENABLED), SYSCALL_INIT_HELPER_F(sctp_peeloff, SYF_CAPENABLED),
SYSCALL_INIT_HELPER_F(sctp_generic_sendmsg, SYF_CAPENABLED), SYSCALL_INIT_HELPER_F(sctp_generic_sendmsg, SYF_CAPENABLED),
SYSCALL_INIT_HELPER_F(sctp_generic_sendmsg_iov, SYF_CAPENABLED), SYSCALL_INIT_HELPER_F(sctp_generic_sendmsg_iov, SYF_CAPENABLED),
SYSCALL_INIT_HELPER_F(sctp_generic_recvmsg, SYF_CAPENABLED), SYSCALL_INIT_HELPER_F(sctp_generic_recvmsg, SYF_CAPENABLED),
SYSCALL_INIT_LAST SYSCALL_INIT_LAST
}; };
static void #ifdef COMPAT_FREEBSD32
sctp_syscalls_init(void *unused __unused) static struct syscall_helper_data sctp32_syscalls[] = {
SYSCALL32_INIT_HELPER_COMPAT(sctp_peeloff),
SYSCALL32_INIT_HELPER_COMPAT(sctp_generic_sendmsg),
SYSCALL32_INIT_HELPER_COMPAT(sctp_generic_sendmsg_iov),
SYSCALL32_INIT_HELPER_COMPAT(sctp_generic_recvmsg),
SYSCALL_INIT_LAST
};
#endif
int
sctp_syscalls_init(void)
{ {
int error __unused; int error;
error = syscall_helper_register(sctp_syscalls, SY_THR_STATIC); error = syscall_helper_register(sctp_syscalls, SY_THR_STATIC_KLD);
KASSERT((error == 0), if (error != 0)
("%s: syscall_helper_register failed for sctp syscalls", __func__)); return (error);
#ifdef COMPAT_FREEBSD32 #ifdef COMPAT_FREEBSD32
error = syscall32_helper_register(sctp_syscalls, SY_THR_STATIC); error = syscall32_helper_register(sctp32_syscalls, SY_THR_STATIC_KLD);
KASSERT((error == 0), if (error != 0)
("%s: syscall32_helper_register failed for sctp syscalls", return (error);
__func__));
#endif #endif
return (0);
} }
SYSINIT(sctp_syscalls, SI_SUB_SYSCALLS, SI_ORDER_ANY, sctp_syscalls_init, NULL);
int
sctp_syscalls_uninit(void)
{
int error;
#ifdef COMPAT_FREEBSD32
error = syscall32_helper_unregister(sctp32_syscalls);
if (error != 0)
return (error);
#endif
error = syscall_helper_unregister(sctp_syscalls);
if (error != 0)
return (error);
return (0);
}
/* /*
* SCTP syscalls. * SCTP syscalls.
* Functionality only compiled in if SCTP is defined in the kernel Makefile, * Functionality only compiled in if SCTP is defined in the kernel Makefile,
* otherwise all return EOPNOTSUPP. * otherwise all return EOPNOTSUPP.
* XXX: We should make this loadable one day.
*/ */
int int
sys_sctp_peeloff(td, uap) sys_sctp_peeloff(td, uap)
struct thread *td; struct thread *td;
struct sctp_peeloff_args /* { struct sctp_peeloff_args /* {
int sd; int sd;
caddr_t name; caddr_t name;
} */ *uap; } */ *uap;
{ {
#if (defined(INET) || defined(INET6)) && defined(SCTP) #if defined(INET) || defined(INET6)
struct file *headfp, *nfp = NULL; struct file *headfp, *nfp = NULL;
struct socket *head, *so; struct socket *head, *so;
cap_rights_t rights; cap_rights_t rights;
u_int fflag; u_int fflag;
int error, fd; int error, fd;
AUDIT_ARG_FD(uap->sd); AUDIT_ARG_FD(uap->sd);
error = getsock_cap(td, uap->sd, cap_rights_init(&rights, CAP_PEELOFF), error = getsock_cap(td, uap->sd, cap_rights_init(&rights, CAP_PEELOFF),
▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Linesnoconnection:
*/ */
CURVNET_RESTORE(); CURVNET_RESTORE();
done: done:
if (nfp != NULL) if (nfp != NULL)
fdrop(nfp, td); fdrop(nfp, td);
fdrop(headfp, td); fdrop(headfp, td);
done2: done2:
return (error); return (error);
#else /* SCTP */ #endif
return (EOPNOTSUPP);
#endif /* SCTP */
} }
int int
sys_sctp_generic_sendmsg (td, uap) sys_sctp_generic_sendmsg (td, uap)
struct thread *td; struct thread *td;
struct sctp_generic_sendmsg_args /* { struct sctp_generic_sendmsg_args /* {
int sd, int sd,
caddr_t msg, caddr_t msg,
int mlen, int mlen,
caddr_t to, caddr_t to,
__socklen_t tolen, __socklen_t tolen,
struct sctp_sndrcvinfo *sinfo, struct sctp_sndrcvinfo *sinfo,
int flags int flags
} */ *uap; } */ *uap;
{ {
#if (defined(INET) || defined(INET6)) && defined(SCTP) #if defined(INET) || defined(INET6)
struct sctp_sndrcvinfo sinfo, *u_sinfo = NULL; struct sctp_sndrcvinfo sinfo, *u_sinfo = NULL;
struct socket *so; struct socket *so;
struct file *fp = NULL; struct file *fp = NULL;
struct sockaddr *to = NULL; struct sockaddr *to = NULL;
#ifdef KTRACE #ifdef KTRACE
struct uio *ktruio = NULL; struct uio *ktruio = NULL;
#endif #endif
struct uio auio; struct uio auio;
▲ Show 20 Lines • Show All 78 Lines • ▼ Show 20 Lines#ifdef KTRACE
} }
#endif /* KTRACE */ #endif /* KTRACE */
sctp_bad: sctp_bad:
if (fp != NULL) if (fp != NULL)
fdrop(fp, td); fdrop(fp, td);
sctp_bad2: sctp_bad2:
free(to, M_SONAME); free(to, M_SONAME);
return (error); return (error);
#else /* SCTP */ #endif
return (EOPNOTSUPP);
#endif /* SCTP */
} }
int int
sys_sctp_generic_sendmsg_iov(td, uap) sys_sctp_generic_sendmsg_iov(td, uap)
struct thread *td; struct thread *td;
struct sctp_generic_sendmsg_iov_args /* { struct sctp_generic_sendmsg_iov_args /* {
int sd, int sd,
struct iovec *iov, struct iovec *iov,
int iovlen, int iovlen,
caddr_t to, caddr_t to,
__socklen_t tolen, __socklen_t tolen,
struct sctp_sndrcvinfo *sinfo, struct sctp_sndrcvinfo *sinfo,
int flags int flags
} */ *uap; } */ *uap;
{ {
#if (defined(INET) || defined(INET6)) && defined(SCTP) #if defined(INET) || defined(INET6)
struct sctp_sndrcvinfo sinfo, *u_sinfo = NULL; struct sctp_sndrcvinfo sinfo, *u_sinfo = NULL;
struct socket *so; struct socket *so;
struct file *fp = NULL; struct file *fp = NULL;
struct sockaddr *to = NULL; struct sockaddr *to = NULL;
#ifdef KTRACE #ifdef KTRACE
struct uio *ktruio = NULL; struct uio *ktruio = NULL;
#endif #endif
struct uio auio; struct uio auio;
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sctp_bad: sctp_bad:
free(iov, M_IOV); free(iov, M_IOV);
sctp_bad1: sctp_bad1:
if (fp != NULL) if (fp != NULL)
fdrop(fp, td); fdrop(fp, td);
sctp_bad2: sctp_bad2:
free(to, M_SONAME); free(to, M_SONAME);
return (error); return (error);
#else /* SCTP */ #endif
return (EOPNOTSUPP);
#endif /* SCTP */
} }
int int
sys_sctp_generic_recvmsg(td, uap) sys_sctp_generic_recvmsg(td, uap)
struct thread *td; struct thread *td;
struct sctp_generic_recvmsg_args /* { struct sctp_generic_recvmsg_args /* {
int sd, int sd,
struct iovec *iov, struct iovec *iov,
int iovlen, int iovlen,
struct sockaddr *from, struct sockaddr *from,
__socklen_t *fromlenaddr, __socklen_t *fromlenaddr,
struct sctp_sndrcvinfo *sinfo, struct sctp_sndrcvinfo *sinfo,
int *msg_flags int *msg_flags
} */ *uap; } */ *uap;
{ {
#if (defined(INET) || defined(INET6)) && defined(SCTP) #if defined(INET) || defined(INET6)
uint8_t sockbufstore[256]; uint8_t sockbufstore[256];
struct uio auio; struct uio auio;
struct iovec *iov, *tiov; struct iovec *iov, *tiov;
struct sctp_sndrcvinfo sinfo; struct sctp_sndrcvinfo sinfo;
struct socket *so; struct socket *so;
struct file *fp = NULL; struct file *fp = NULL;
struct sockaddr *fromsa; struct sockaddr *fromsa;
cap_rights_t rights; cap_rights_t rights;
▲ Show 20 Lines • Show All 113 Lines • ▼ Show 20 Lines#endif
} }
out: out:
free(iov, M_IOV); free(iov, M_IOV);
out1: out1:
if (fp != NULL) if (fp != NULL)
fdrop(fp, td); fdrop(fp, td);
return (error); return (error);
#else /* SCTP */ #endif
return (EOPNOTSUPP);
#endif /* SCTP */
} }