diff options
Diffstat (limited to 'usr.sbin/relayd/imsg.c')
-rw-r--r-- | usr.sbin/relayd/imsg.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/usr.sbin/relayd/imsg.c b/usr.sbin/relayd/imsg.c index d2a3a22d533..79001f7fd96 100644 --- a/usr.sbin/relayd/imsg.c +++ b/usr.sbin/relayd/imsg.c @@ -1,4 +1,4 @@ -/* $OpenBSD: imsg.c,v 1.20 2009/06/04 22:42:15 eric Exp $ */ +/* $OpenBSD: imsg.c,v 1.21 2009/06/04 23:33:49 pyr Exp $ */ /* * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> @@ -67,7 +67,6 @@ imsg_read(struct imsgbuf *ibuf) if ((n = recvmsg(ibuf->fd, &msg, 0)) == -1) { if (errno != EINTR && errno != EAGAIN) { - log_warn("imsg_read: pipe read error"); return (-1); } return (-2); @@ -80,13 +79,14 @@ imsg_read(struct imsgbuf *ibuf) 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) - fatal("imsg_read calloc"); + if ((ifd = calloc(1, sizeof(struct imsg_fd))) == NULL) { + /* XXX: this return can leak */ + return (-1); + } ifd->fd = fd; TAILQ_INSERT_TAIL(&ibuf->fds, ifd, entry); - } else - log_warn("imsg_read: got unexpected ctl data level %d " - "type %d", cmsg->cmsg_level, cmsg->cmsg_type); + } + /* we do not handle other ctl data level */ } return (n); @@ -105,8 +105,7 @@ imsg_get(struct imsgbuf *ibuf, struct imsg *imsg) memcpy(&imsg->hdr, ibuf->r.buf, sizeof(imsg->hdr)); if (imsg->hdr.len < IMSG_HEADER_SIZE || imsg->hdr.len > MAX_IMSGSIZE) { - log_warnx("imsg_get: imsg hdr len %u out of bounds, type=%u", - imsg->hdr.len, imsg->hdr.type); + errno = ERANGE; return (-1); } if (imsg->hdr.len > av) @@ -114,7 +113,6 @@ imsg_get(struct imsgbuf *ibuf, struct imsg *imsg) datalen = imsg->hdr.len - IMSG_HEADER_SIZE; ibuf->r.rptr = ibuf->r.buf + IMSG_HEADER_SIZE; if ((imsg->data = malloc(datalen)) == NULL) { - log_warn("imsg_get"); return (-1); } memcpy(imsg->data, ibuf->r.rptr, datalen); @@ -182,9 +180,7 @@ imsg_create(struct imsgbuf *ibuf, u_int16_t type, u_int32_t peerid, datalen += IMSG_HEADER_SIZE; if (datalen > MAX_IMSGSIZE) { - log_warnx("imsg_create: len %u > MAX_IMSGSIZE; " - "type %u peerid %lu", datalen + IMSG_HEADER_SIZE, - type, peerid); + errno = ERANGE; return (NULL); } @@ -193,7 +189,6 @@ imsg_create(struct imsgbuf *ibuf, u_int16_t type, u_int32_t peerid, if ((hdr.pid = pid) == 0) hdr.pid = ibuf->pid; if ((wbuf = buf_dynamic(datalen, MAX_IMSGSIZE)) == NULL) { - log_warn("imsg_create: buf_open"); return (NULL); } if (imsg_add(wbuf, &hdr, sizeof(hdr)) == -1) @@ -207,7 +202,6 @@ imsg_add(struct buf *msg, void *data, u_int16_t datalen) { if (datalen) if (buf_add(msg, data, datalen) == -1) { - log_warnx("imsg_add: buf_add error"); buf_free(msg); return (-1); } |