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-rw-r--r--usr.sbin/bgpd/bgpd.c12
-rw-r--r--usr.sbin/bgpd/bgpd.h3
-rw-r--r--usr.sbin/bgpd/imsg.c25
-rw-r--r--usr.sbin/bgpd/rde.c14
-rw-r--r--usr.sbin/bgpd/session.c14
5 files changed, 49 insertions, 19 deletions
diff --git a/usr.sbin/bgpd/bgpd.c b/usr.sbin/bgpd/bgpd.c
index fb2cbd6ea79..370d8948948 100644
--- a/usr.sbin/bgpd/bgpd.c
+++ b/usr.sbin/bgpd/bgpd.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bgpd.c,v 1.47 2003/12/30 22:42:31 henning Exp $ */
+/* $OpenBSD: bgpd.c,v 1.48 2004/01/01 23:09:08 henning Exp $ */
/*
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
@@ -340,10 +340,16 @@ dispatch_imsg(struct imsgbuf *ibuf, int idx, struct mrt_config *conf)
int n;
in_addr_t ina;
- if ((n = imsg_get(ibuf, &imsg)) == -1)
+ if (imsg_read(ibuf) == -1)
return (-1);
- if (n > 0) {
+ for (;;) {
+ if ((n = imsg_get(ibuf, &imsg)) == -1)
+ return (-1);
+
+ if (n == 0)
+ break;
+
switch (imsg.hdr.type) {
case IMSG_MRT_MSG:
case IMSG_MRT_END:
diff --git a/usr.sbin/bgpd/bgpd.h b/usr.sbin/bgpd/bgpd.h
index 0c3a48dada9..8e766659d9e 100644
--- a/usr.sbin/bgpd/bgpd.h
+++ b/usr.sbin/bgpd/bgpd.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: bgpd.h,v 1.44 2003/12/28 14:34:30 henning Exp $ */
+/* $OpenBSD: bgpd.h,v 1.45 2004/01/01 23:09:08 henning Exp $ */
/*
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
@@ -294,6 +294,7 @@ int merge_config(struct bgpd_config *, struct bgpd_config *);
/* imsg.c */
void imsg_init(struct imsgbuf *, int);
+int imsg_read(struct imsgbuf *);
int imsg_get(struct imsgbuf *, struct imsg *);
int imsg_compose(struct imsgbuf *, int, u_int32_t, void *, u_int16_t);
void imsg_free(struct imsg *);
diff --git a/usr.sbin/bgpd/imsg.c b/usr.sbin/bgpd/imsg.c
index ed80e399c45..5201c8fc353 100644
--- a/usr.sbin/bgpd/imsg.c
+++ b/usr.sbin/bgpd/imsg.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: imsg.c,v 1.14 2003/12/30 22:42:31 henning Exp $ */
+/* $OpenBSD: imsg.c,v 1.15 2004/01/01 23:09:09 henning Exp $ */
/*
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
@@ -35,10 +35,9 @@ imsg_init(struct imsgbuf *ibuf, int sock)
}
int
-imsg_get(struct imsgbuf *ibuf, struct imsg *imsg)
+imsg_read(struct imsgbuf *ibuf)
{
- ssize_t n, datalen = 0;
- size_t av, left;
+ ssize_t n;
if ((n = read(ibuf->sock, ibuf->r.buf + ibuf->r.wpos,
sizeof(ibuf->r.buf) - ibuf->r.wpos)) == -1) {
@@ -52,10 +51,22 @@ imsg_get(struct imsgbuf *ibuf, struct imsg *imsg)
logit(LOG_CRIT, "imsg_get: pipe close");
return (-1);
}
- av = ibuf->r.wpos + n;
+
+ ibuf->r.wpos += n;
+
+ return (0);
+}
+
+int
+imsg_get(struct imsgbuf *ibuf, struct imsg *imsg)
+{
+ ssize_t datalen = 0;
+ size_t av, left;
+
+ av = ibuf->r.wpos;
if (IMSG_HEADER_SIZE > av)
- return (-1);
+ return (0);
memcpy(&imsg->hdr, ibuf->r.buf, sizeof(imsg->hdr));
if (imsg->hdr.len < IMSG_HEADER_SIZE ||
@@ -64,7 +75,7 @@ imsg_get(struct imsgbuf *ibuf, struct imsg *imsg)
return (-1);
}
if (imsg->hdr.len > av)
- return (-1);
+ return (0);
datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
ibuf->r.rptr = ibuf->r.buf + IMSG_HEADER_SIZE;
if ((imsg->data = malloc(datalen)) == NULL) {
diff --git a/usr.sbin/bgpd/rde.c b/usr.sbin/bgpd/rde.c
index e8b1248f1db..236589583be 100644
--- a/usr.sbin/bgpd/rde.c
+++ b/usr.sbin/bgpd/rde.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: rde.c,v 1.39 2003/12/27 00:53:51 henning Exp $ */
+/* $OpenBSD: rde.c,v 1.40 2004/01/01 23:09:09 henning Exp $ */
/*
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
@@ -176,10 +176,16 @@ rde_dispatch_imsg(struct imsgbuf *ibuf, int idx)
u_int32_t rid;
int n;
- if ((n = imsg_get(ibuf, &imsg)) == -1)
- fatal("imsg_get error");
+ if (imsg_read(ibuf) == -1)
+ fatal("rde_dispatch_imsg: imsg_read error");
+
+ for (;;) {
+ if ((n = imsg_get(ibuf, &imsg)) == -1)
+ fatal("rde_dispatch_imsg: imsg_read error");
+
+ if (n == 0)
+ break;
- if (n > 0) {
switch (imsg.hdr.type) {
case IMSG_RECONF_CONF:
if (idx != PFD_PIPE_MAIN)
diff --git a/usr.sbin/bgpd/session.c b/usr.sbin/bgpd/session.c
index 7b49c972403..1bc5f7b08a8 100644
--- a/usr.sbin/bgpd/session.c
+++ b/usr.sbin/bgpd/session.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: session.c,v 1.52 2003/12/30 21:05:09 henning Exp $ */
+/* $OpenBSD: session.c,v 1.53 2004/01/01 23:09:09 henning Exp $ */
/*
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
@@ -1250,10 +1250,16 @@ session_dispatch_imsg(struct imsgbuf *ibuf, int idx)
enum reconf_action reconf;
int n;
- if ((n = imsg_get(ibuf, &imsg)) == -1)
- fatal("imsg_get error");
+ if (imsg_read(ibuf) == -1)
+ fatal("session_dispatch_imsg: imsg_read error");
+
+ for (;;) {
+ if ((n = imsg_get(ibuf, &imsg)) == -1)
+ fatal("session_dispatch_imsg: imsg_get error");
+
+ if (n == 0)
+ break;
- if (n > 0) {
switch (imsg.hdr.type) {
case IMSG_RECONF_CONF:
if (idx != PFD_PIPE_MAIN)