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-rw-r--r--usr.sbin/ospfd/Makefile11
-rw-r--r--usr.sbin/ospfd/buffer.c303
-rw-r--r--usr.sbin/ospfd/imsg.c271
-rw-r--r--usr.sbin/ospfd/imsg.h107
4 files changed, 5 insertions, 687 deletions
diff --git a/usr.sbin/ospfd/Makefile b/usr.sbin/ospfd/Makefile
index 2e13a46dce0..1837268eeb3 100644
--- a/usr.sbin/ospfd/Makefile
+++ b/usr.sbin/ospfd/Makefile
@@ -1,9 +1,8 @@
-# $OpenBSD: Makefile,v 1.7 2007/05/29 22:08:25 claudio Exp $
-
+# $OpenBSD: Makefile,v 1.8 2010/05/26 16:44:32 nicm Exp $
PROG= ospfd
-SRCS= area.c auth.c buffer.c carp.c control.c database.c hello.c \
- imsg.c in_cksum.c interface.c iso_cksum.c kroute.c lsack.c \
+SRCS= area.c auth.c carp.c control.c database.c hello.c \
+ in_cksum.c interface.c iso_cksum.c kroute.c lsack.c \
lsreq.c lsupdate.c log.c neighbor.c ospfd.c ospfe.c packet.c \
parse.y printconf.c rde.c rde_lsdb.c rde_spf.c name2id.c
@@ -15,7 +14,7 @@ CFLAGS+= -Wmissing-declarations
CFLAGS+= -Wshadow -Wpointer-arith -Wcast-qual
CFLAGS+= -Wsign-compare
YFLAGS=
-LDADD+= -levent
-DPADD+= ${LIBEVENT}
+LDADD+= -levent -lutil
+DPADD+= ${LIBEVENT} ${LIBUTIL}
.include <bsd.prog.mk>
diff --git a/usr.sbin/ospfd/buffer.c b/usr.sbin/ospfd/buffer.c
deleted file mode 100644
index 2be7a478e2b..00000000000
--- a/usr.sbin/ospfd/buffer.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/* $OpenBSD: buffer.c,v 1.18 2010/05/26 13:56:08 nicm Exp $ */
-
-/*
- * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/param.h>
-#include <sys/queue.h>
-#include <sys/socket.h>
-#include <sys/uio.h>
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "imsg.h"
-
-int ibuf_realloc(struct ibuf *, size_t);
-void ibuf_enqueue(struct msgbuf *, struct ibuf *);
-void ibuf_dequeue(struct msgbuf *, struct ibuf *);
-
-struct ibuf *
-ibuf_open(size_t len)
-{
- struct ibuf *buf;
-
- if ((buf = calloc(1, sizeof(struct ibuf))) == NULL)
- return (NULL);
- if ((buf->buf = malloc(len)) == NULL) {
- free(buf);
- return (NULL);
- }
- buf->size = buf->max = len;
- buf->fd = -1;
-
- return (buf);
-}
-
-struct ibuf *
-ibuf_dynamic(size_t len, size_t max)
-{
- struct ibuf *buf;
-
- if (max < len)
- return (NULL);
-
- if ((buf = ibuf_open(len)) == NULL)
- return (NULL);
-
- if (max > 0)
- buf->max = max;
-
- return (buf);
-}
-
-int
-ibuf_realloc(struct ibuf *buf, size_t len)
-{
- u_char *b;
-
- /* on static buffers max is eq size and so the following fails */
- if (buf->wpos + len > buf->max) {
- errno = ENOMEM;
- return (-1);
- }
-
- b = realloc(buf->buf, buf->wpos + len);
- if (b == NULL)
- return (-1);
- buf->buf = b;
- buf->size = buf->wpos + len;
-
- return (0);
-}
-
-int
-ibuf_add(struct ibuf *buf, const void *data, size_t len)
-{
- if (buf->wpos + len > buf->size)
- if (ibuf_realloc(buf, len) == -1)
- return (-1);
-
- memcpy(buf->buf + buf->wpos, data, len);
- buf->wpos += len;
- return (0);
-}
-
-void *
-ibuf_reserve(struct ibuf *buf, size_t len)
-{
- void *b;
-
- if (buf->wpos + len > buf->size)
- if (ibuf_realloc(buf, len) == -1)
- return (NULL);
-
- b = buf->buf + buf->wpos;
- buf->wpos += len;
- return (b);
-}
-
-void *
-ibuf_seek(struct ibuf *buf, size_t pos, size_t len)
-{
- /* only allowed to seek in already written parts */
- if (pos + len > buf->wpos)
- return (NULL);
-
- return (buf->buf + pos);
-}
-
-size_t
-ibuf_size(struct ibuf *buf)
-{
- return (buf->wpos);
-}
-
-size_t
-ibuf_left(struct ibuf *buf)
-{
- return (buf->max - buf->wpos);
-}
-
-void
-ibuf_close(struct msgbuf *msgbuf, struct ibuf *buf)
-{
- ibuf_enqueue(msgbuf, buf);
-}
-
-int
-ibuf_write(struct msgbuf *msgbuf)
-{
- struct iovec iov[IOV_MAX];
- struct ibuf *buf;
- unsigned int i = 0;
- ssize_t n;
-
- bzero(&iov, sizeof(iov));
- TAILQ_FOREACH(buf, &msgbuf->bufs, entry) {
- if (i >= IOV_MAX)
- break;
- iov[i].iov_base = buf->buf + buf->rpos;
- iov[i].iov_len = buf->wpos - buf->rpos;
- i++;
- }
-
- if ((n = writev(msgbuf->fd, iov, i)) == -1) {
- if (errno == EAGAIN || errno == ENOBUFS ||
- errno == EINTR) /* try later */
- return (0);
- else
- return (-1);
- }
-
- if (n == 0) { /* connection closed */
- errno = 0;
- return (-2);
- }
-
- msgbuf_drain(msgbuf, n);
-
- return (0);
-}
-
-void
-ibuf_free(struct ibuf *buf)
-{
- free(buf->buf);
- free(buf);
-}
-
-void
-msgbuf_init(struct msgbuf *msgbuf)
-{
- msgbuf->queued = 0;
- msgbuf->fd = -1;
- TAILQ_INIT(&msgbuf->bufs);
-}
-
-void
-msgbuf_drain(struct msgbuf *msgbuf, size_t n)
-{
- struct ibuf *buf, *next;
-
- for (buf = TAILQ_FIRST(&msgbuf->bufs); buf != NULL && n > 0;
- buf = next) {
- next = TAILQ_NEXT(buf, entry);
- if (buf->rpos + n >= buf->wpos) {
- n -= buf->wpos - buf->rpos;
- ibuf_dequeue(msgbuf, buf);
- } else {
- buf->rpos += n;
- n = 0;
- }
- }
-}
-
-void
-msgbuf_clear(struct msgbuf *msgbuf)
-{
- struct ibuf *buf;
-
- while ((buf = TAILQ_FIRST(&msgbuf->bufs)) != NULL)
- ibuf_dequeue(msgbuf, buf);
-}
-
-int
-msgbuf_write(struct msgbuf *msgbuf)
-{
- struct iovec iov[IOV_MAX];
- struct ibuf *buf;
- unsigned int i = 0;
- ssize_t n;
- struct msghdr msg;
- struct cmsghdr *cmsg;
- union {
- struct cmsghdr hdr;
- char buf[CMSG_SPACE(sizeof(int))];
- } cmsgbuf;
-
- bzero(&iov, sizeof(iov));
- bzero(&msg, sizeof(msg));
- TAILQ_FOREACH(buf, &msgbuf->bufs, entry) {
- if (i >= IOV_MAX)
- break;
- iov[i].iov_base = buf->buf + buf->rpos;
- iov[i].iov_len = buf->wpos - buf->rpos;
- i++;
- if (buf->fd != -1)
- break;
- }
-
- msg.msg_iov = iov;
- msg.msg_iovlen = i;
-
- if (buf != NULL && buf->fd != -1) {
- msg.msg_control = (caddr_t)&cmsgbuf.buf;
- msg.msg_controllen = sizeof(cmsgbuf.buf);
- cmsg = CMSG_FIRSTHDR(&msg);
- cmsg->cmsg_len = CMSG_LEN(sizeof(int));
- cmsg->cmsg_level = SOL_SOCKET;
- cmsg->cmsg_type = SCM_RIGHTS;
- *(int *)CMSG_DATA(cmsg) = buf->fd;
- }
-
- if ((n = sendmsg(msgbuf->fd, &msg, 0)) == -1) {
- if (errno == EAGAIN || errno == ENOBUFS ||
- errno == EINTR) /* try later */
- return (0);
- else
- return (-1);
- }
-
- if (n == 0) { /* connection closed */
- errno = 0;
- return (-2);
- }
-
- /*
- * assumption: fd got sent if sendmsg sent anything
- * this works because fds are passed one at a time
- */
- if (buf != NULL && buf->fd != -1) {
- close(buf->fd);
- buf->fd = -1;
- }
-
- msgbuf_drain(msgbuf, n);
-
- return (0);
-}
-
-void
-ibuf_enqueue(struct msgbuf *msgbuf, struct ibuf *buf)
-{
- TAILQ_INSERT_TAIL(&msgbuf->bufs, buf, entry);
- msgbuf->queued++;
-}
-
-void
-ibuf_dequeue(struct msgbuf *msgbuf, struct ibuf *buf)
-{
- TAILQ_REMOVE(&msgbuf->bufs, buf, entry);
-
- if (buf->fd != -1)
- close(buf->fd);
-
- msgbuf->queued--;
- ibuf_free(buf);
-}
diff --git a/usr.sbin/ospfd/imsg.c b/usr.sbin/ospfd/imsg.c
deleted file mode 100644
index ba6685f560f..00000000000
--- a/usr.sbin/ospfd/imsg.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/* $OpenBSD: imsg.c,v 1.21 2010/05/26 13:56:08 nicm Exp $ */
-
-/*
- * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/param.h>
-#include <sys/queue.h>
-#include <sys/socket.h>
-#include <sys/uio.h>
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "imsg.h"
-
-int imsg_get_fd(struct imsgbuf *);
-
-void
-imsg_init(struct imsgbuf *ibuf, int fd)
-{
- msgbuf_init(&ibuf->w);
- bzero(&ibuf->r, sizeof(ibuf->r));
- ibuf->fd = fd;
- ibuf->w.fd = fd;
- ibuf->pid = getpid();
- TAILQ_INIT(&ibuf->fds);
-}
-
-ssize_t
-imsg_read(struct imsgbuf *ibuf)
-{
- struct msghdr msg;
- struct cmsghdr *cmsg;
- union {
- struct cmsghdr hdr;
- char buf[CMSG_SPACE(sizeof(int) * 16)];
- } cmsgbuf;
- struct iovec iov;
- ssize_t n;
- int fd;
- struct imsg_fd *ifd;
-
- bzero(&msg, sizeof(msg));
-
- iov.iov_base = ibuf->r.buf + ibuf->r.wpos;
- iov.iov_len = sizeof(ibuf->r.buf) - ibuf->r.wpos;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = &cmsgbuf.buf;
- msg.msg_controllen = sizeof(cmsgbuf.buf);
-
- if ((n = recvmsg(ibuf->fd, &msg, 0)) == -1) {
- if (errno != EINTR && errno != EAGAIN) {
- return (-1);
- }
- return (-2);
- }
-
- ibuf->r.wpos += n;
-
- for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL;
- cmsg = CMSG_NXTHDR(&msg, cmsg)) {
- if (cmsg->cmsg_level == SOL_SOCKET &&
- cmsg->cmsg_type == SCM_RIGHTS) {
- fd = (*(int *)CMSG_DATA(cmsg));
- if ((ifd = calloc(1, sizeof(struct imsg_fd))) == NULL) {
- close(fd);
- return (-1);
- }
- ifd->fd = fd;
- TAILQ_INSERT_TAIL(&ibuf->fds, ifd, entry);
- }
- /* we do not handle other ctl data level */
- }
-
- return (n);
-}
-
-ssize_t
-imsg_get(struct imsgbuf *ibuf, struct imsg *imsg)
-{
- size_t av, left, datalen;
-
- av = ibuf->r.wpos;
-
- if (IMSG_HEADER_SIZE > av)
- return (0);
-
- memcpy(&imsg->hdr, ibuf->r.buf, sizeof(imsg->hdr));
- if (imsg->hdr.len < IMSG_HEADER_SIZE ||
- imsg->hdr.len > MAX_IMSGSIZE) {
- errno = ERANGE;
- return (-1);
- }
- if (imsg->hdr.len > av)
- return (0);
- datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
- ibuf->r.rptr = ibuf->r.buf + IMSG_HEADER_SIZE;
- if ((imsg->data = malloc(datalen)) == NULL)
- return (-1);
-
- if (imsg->hdr.flags & IMSGF_HASFD)
- imsg->fd = imsg_get_fd(ibuf);
- else
- imsg->fd = -1;
-
- memcpy(imsg->data, ibuf->r.rptr, datalen);
-
- if (imsg->hdr.len < av) {
- left = av - imsg->hdr.len;
- memmove(&ibuf->r.buf, ibuf->r.buf + imsg->hdr.len, left);
- ibuf->r.wpos = left;
- } else
- ibuf->r.wpos = 0;
-
- return (datalen + IMSG_HEADER_SIZE);
-}
-
-int
-imsg_compose(struct imsgbuf *ibuf, u_int32_t type, u_int32_t peerid,
- pid_t pid, int fd, void *data, u_int16_t datalen)
-{
- struct ibuf *wbuf;
-
- if ((wbuf = imsg_create(ibuf, type, peerid, pid, datalen)) == NULL)
- return (-1);
-
- if (imsg_add(wbuf, data, datalen) == -1)
- return (-1);
-
- wbuf->fd = fd;
-
- imsg_close(ibuf, wbuf);
-
- return (1);
-}
-
-int
-imsg_composev(struct imsgbuf *ibuf, u_int32_t type, u_int32_t peerid,
- pid_t pid, int fd, const struct iovec *iov, int iovcnt)
-{
- struct ibuf *wbuf;
- int i, datalen = 0;
-
- for (i = 0; i < iovcnt; i++)
- datalen += iov[i].iov_len;
-
- if ((wbuf = imsg_create(ibuf, type, peerid, pid, datalen)) == NULL)
- return (-1);
-
- for (i = 0; i < iovcnt; i++)
- if (imsg_add(wbuf, iov[i].iov_base, iov[i].iov_len) == -1)
- return (-1);
-
- wbuf->fd = fd;
-
- imsg_close(ibuf, wbuf);
-
- return (1);
-}
-
-/* ARGSUSED */
-struct ibuf *
-imsg_create(struct imsgbuf *ibuf, u_int32_t type, u_int32_t peerid,
- pid_t pid, u_int16_t datalen)
-{
- struct ibuf *wbuf;
- struct imsg_hdr hdr;
-
- datalen += IMSG_HEADER_SIZE;
- if (datalen > MAX_IMSGSIZE) {
- errno = ERANGE;
- return (NULL);
- }
-
- hdr.type = type;
- hdr.flags = 0;
- hdr.peerid = peerid;
- if ((hdr.pid = pid) == 0)
- hdr.pid = ibuf->pid;
- if ((wbuf = ibuf_dynamic(datalen, MAX_IMSGSIZE)) == NULL) {
- return (NULL);
- }
- if (imsg_add(wbuf, &hdr, sizeof(hdr)) == -1)
- return (NULL);
-
- return (wbuf);
-}
-
-int
-imsg_add(struct ibuf *msg, void *data, u_int16_t datalen)
-{
- if (datalen)
- if (ibuf_add(msg, data, datalen) == -1) {
- ibuf_free(msg);
- return (-1);
- }
- return (datalen);
-}
-
-void
-imsg_close(struct imsgbuf *ibuf, struct ibuf *msg)
-{
- struct imsg_hdr *hdr;
-
- hdr = (struct imsg_hdr *)msg->buf;
-
- hdr->flags &= ~IMSGF_HASFD;
- if (msg->fd != -1)
- hdr->flags |= IMSGF_HASFD;
-
- hdr->len = (u_int16_t)msg->wpos;
-
- ibuf_close(&ibuf->w, msg);
-}
-
-void
-imsg_free(struct imsg *imsg)
-{
- free(imsg->data);
-}
-
-int
-imsg_get_fd(struct imsgbuf *ibuf)
-{
- int fd;
- struct imsg_fd *ifd;
-
- if ((ifd = TAILQ_FIRST(&ibuf->fds)) == NULL)
- return (-1);
-
- fd = ifd->fd;
- TAILQ_REMOVE(&ibuf->fds, ifd, entry);
- free(ifd);
-
- return (fd);
-}
-
-int
-imsg_flush(struct imsgbuf *ibuf)
-{
- while (ibuf->w.queued)
- if (msgbuf_write(&ibuf->w) < 0)
- return (-1);
- return (0);
-}
-
-void
-imsg_clear(struct imsgbuf *ibuf)
-{
- int fd;
-
- msgbuf_clear(&ibuf->w);
- while ((fd = imsg_get_fd(ibuf)) != -1)
- close(fd);
-}
diff --git a/usr.sbin/ospfd/imsg.h b/usr.sbin/ospfd/imsg.h
deleted file mode 100644
index 90baba107fa..00000000000
--- a/usr.sbin/ospfd/imsg.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/* $OpenBSD: imsg.h,v 1.10 2010/05/26 13:56:08 nicm Exp $ */
-
-/*
- * Copyright (c) 2006, 2007 Pierre-Yves Ritschard <pyr@openbsd.org>
- * Copyright (c) 2006, 2007, 2008 Reyk Floeter <reyk@openbsd.org>
- * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#define IBUF_READ_SIZE 65535
-#define IMSG_HEADER_SIZE sizeof(struct imsg_hdr)
-#define MAX_IMSGSIZE 16384
-
-struct ibuf {
- TAILQ_ENTRY(ibuf) entry;
- u_char *buf;
- size_t size;
- size_t max;
- size_t wpos;
- size_t rpos;
- int fd;
-};
-
-struct msgbuf {
- TAILQ_HEAD(, ibuf) bufs;
- u_int32_t queued;
- int fd;
-};
-
-struct ibuf_read {
- u_char buf[IBUF_READ_SIZE];
- u_char *rptr;
- size_t wpos;
-};
-
-struct imsg_fd {
- TAILQ_ENTRY(imsg_fd) entry;
- int fd;
-};
-
-struct imsgbuf {
- TAILQ_HEAD(, imsg_fd) fds;
- struct ibuf_read r;
- struct msgbuf w;
- int fd;
- pid_t pid;
-};
-
-#define IMSGF_HASFD 1
-
-struct imsg_hdr {
- u_int32_t type;
- u_int16_t len;
- u_int16_t flags;
- u_int32_t peerid;
- u_int32_t pid;
-};
-
-struct imsg {
- struct imsg_hdr hdr;
- int fd;
- void *data;
-};
-
-
-/* buffer.c */
-struct ibuf *ibuf_open(size_t);
-struct ibuf *ibuf_dynamic(size_t, size_t);
-int ibuf_add(struct ibuf *, const void *, size_t);
-void *ibuf_reserve(struct ibuf *, size_t);
-void *ibuf_seek(struct ibuf *, size_t, size_t);
-size_t ibuf_size(struct ibuf *);
-size_t ibuf_left(struct ibuf *);
-void ibuf_close(struct msgbuf *, struct ibuf *);
-int ibuf_write(struct msgbuf *);
-void ibuf_free(struct ibuf *);
-void msgbuf_init(struct msgbuf *);
-void msgbuf_clear(struct msgbuf *);
-int msgbuf_write(struct msgbuf *);
-void msgbuf_drain(struct msgbuf *, size_t);
-
-/* imsg.c */
-void imsg_init(struct imsgbuf *, int);
-ssize_t imsg_read(struct imsgbuf *);
-ssize_t imsg_get(struct imsgbuf *, struct imsg *);
-int imsg_compose(struct imsgbuf *, u_int32_t, u_int32_t, pid_t,
- int, void *, u_int16_t);
-int imsg_composev(struct imsgbuf *, u_int32_t, u_int32_t, pid_t,
- int, const struct iovec *, int);
-struct ibuf *imsg_create(struct imsgbuf *, u_int32_t, u_int32_t, pid_t,
- u_int16_t);
-int imsg_add(struct ibuf *, void *, u_int16_t);
-void imsg_close(struct imsgbuf *, struct ibuf *);
-void imsg_free(struct imsg *);
-int imsg_flush(struct imsgbuf *);
-void imsg_clear(struct imsgbuf *);