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D47104.id146630.diff
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D47104.id146630.diff
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diff --git a/usr.sbin/syslogd/syslogd.h b/usr.sbin/syslogd/syslogd.h
--- a/usr.sbin/syslogd/syslogd.h
+++ b/usr.sbin/syslogd/syslogd.h
@@ -156,7 +156,8 @@
char f_fname[MAXPATHLEN]; /* F_FILE, F_CONSOLE, F_TTY */
struct {
char f_hname[MAXHOSTNAMELEN];
- struct addrinfo *f_addr;
+ int *f_addr_fds;
+ size_t f_num_addr_fds;
}; /* F_FORW */
struct {
char f_pname[MAXPATHLEN];
diff --git a/usr.sbin/syslogd/syslogd.c b/usr.sbin/syslogd/syslogd.c
--- a/usr.sbin/syslogd/syslogd.c
+++ b/usr.sbin/syslogd/syslogd.c
@@ -364,9 +364,12 @@
switch (f->f_type) {
case F_FORW:
- if (f->f_addr != NULL) {
- freeaddrinfo(f->f_addr);
- f->f_addr = NULL;
+ if (f->f_addr_fds != NULL) {
+ for (size_t i = 0; i < f->f_num_addr_fds; ++i)
+ close(f->f_addr_fds[i]);
+ free(f->f_addr_fds);
+ f->f_addr_fds = NULL;
+ f->f_num_addr_fds = 0;
}
/* FALLTHROUGH */
case F_FILE:
@@ -1742,30 +1745,49 @@
static void
fprintlog_write(struct filed *f, struct iovlist *il, int flags)
{
- struct msghdr msghdr;
- struct addrinfo *r;
- struct socklist *sl;
const char *msgret;
- ssize_t lsent;
switch (f->f_type) {
- case F_FORW:
- dprintf(" %s", f->f_hname);
- switch (f->f_addr->ai_family) {
+ case F_FORW: {
+ size_t lsent;
+
+ if (Debug) {
+ int domain, sockfd = f->f_addr_fds[0];
+ socklen_t len = sizeof(domain);
+
+ if (getsockopt(sockfd, SOL_SOCKET, SO_DOMAIN,
+ &domain, &len) < 0)
+ err(1, "getsockopt");
+
+ printf(" %s", f->f_hname);
+ switch (domain) {
#ifdef INET
- case AF_INET:
- dprintf(":%d\n",
- ntohs(satosin(f->f_addr->ai_addr)->sin_port));
- break;
+ case AF_INET: {
+ struct sockaddr_in sin;
+
+ len = sizeof(sin);
+ if (getpeername(sockfd,
+ (struct sockaddr *)&sin, &len) < 0)
+ err(1, "getpeername");
+ printf(":%d\n", ntohs(sin.sin_port));
+ break;
+ }
#endif
#ifdef INET6
- case AF_INET6:
- dprintf(":%d\n",
- ntohs(satosin6(f->f_addr->ai_addr)->sin6_port));
- break;
+ case AF_INET6: {
+ struct sockaddr_in6 sin6;
+
+ len = sizeof(sin6);
+ if (getpeername(sockfd,
+ (struct sockaddr *)&sin6, &len) < 0)
+ err(1, "getpeername");
+ printf(":%d\n", ntohs(sin6.sin6_port));
+ break;
+ }
#endif
- default:
- dprintf("\n");
+ default:
+ printf("\n");
+ }
}
#if defined(INET) || defined(INET6)
@@ -1773,29 +1795,31 @@
iovlist_truncate(il, MaxForwardLen);
#endif
- lsent = 0;
- for (r = f->f_addr; r; r = r->ai_next) {
- memset(&msghdr, 0, sizeof(msghdr));
- msghdr.msg_name = r->ai_addr;
- msghdr.msg_namelen = r->ai_addrlen;
- msghdr.msg_iov = il->iov;
- msghdr.msg_iovlen = il->iovcnt;
- STAILQ_FOREACH(sl, &shead, next) {
- if (sl->sl_socket < 0)
- continue;
- if (sl->sl_sa == NULL ||
- sl->sl_family == AF_UNSPEC ||
- sl->sl_family == AF_LOCAL)
- continue;
- lsent = sendmsg(sl->sl_socket, &msghdr, 0);
- if (lsent == (ssize_t)il->totalsize)
+ for (size_t i = 0; i < f->f_num_addr_fds; ++i) {
+ int targetfd = f->f_addr_fds[i];
+
+ lsent = 0;
+ for (size_t j = 0; j < il->iovcnt; ++j) {
+ struct iovec *iov = il->iov + j;
+ ssize_t bytes;
+
+ bytes = send(targetfd, iov->iov_base,
+ iov->iov_len, 0);
+ if (bytes < 0)
break;
+ lsent += bytes;
}
- if (lsent == (ssize_t)il->totalsize && !send_to_all)
+
+ /*
+ * If we failed to send all of our data to the target
+ * or the -A option was specified, then resend to the
+ * next socket in our list.
+ */
+ if (lsent == il->totalsize && !send_to_all)
break;
}
dprintf("lsent/totalsize: %zd/%zu\n", lsent, il->totalsize);
- if (lsent != (ssize_t)il->totalsize) {
+ if (lsent != il->totalsize) {
int e = errno;
logerror("sendto");
errno = e;
@@ -1822,6 +1846,7 @@
}
}
break;
+ }
case F_FILE:
dprintf(" %s\n", f->f_fname);
@@ -2650,17 +2675,36 @@
printf("%s%s", _PATH_DEV, f->f_fname);
break;
- case F_FORW:
- switch (f->f_addr->ai_family) {
+ case F_FORW: {
+ int domain, sockfd = f->f_addr_fds[0];
+ socklen_t len = sizeof(domain);
+
+ if (getsockopt(sockfd, SOL_SOCKET, SO_DOMAIN,
+ &domain, &len) < 0)
+ err(1, "getsockopt");
+
+ switch (domain) {
#ifdef INET
- case AF_INET:
- port = ntohs(satosin(f->f_addr->ai_addr)->sin_port);
+ case AF_INET: {
+ struct sockaddr_in sin;
+
+ len = sizeof(sin);
+ if (getpeername(sockfd, (struct sockaddr *)&sin, &len) < 0)
+ err(1, "getpeername");
+ port = ntohs(sin.sin_port);
break;
+ }
#endif
#ifdef INET6
- case AF_INET6:
- port = ntohs(satosin6(f->f_addr->ai_addr)->sin6_port);
+ case AF_INET6: {
+ struct sockaddr_in6 sin6;
+
+ len = sizeof(sin6);
+ if (getpeername(sockfd, (struct sockaddr *)&sin6, &len) < 0)
+ err(1, "getpeername");
+ port = ntohs(sin6.sin6_port);
break;
+ }
#endif
default:
port = 0;
@@ -2671,6 +2715,7 @@
printf("%s", f->f_hname);
}
break;
+ }
case F_PIPE:
printf("%s", f->f_pname);
@@ -2948,7 +2993,7 @@
static void
parse_action(const char *p, struct filed *f)
{
- struct addrinfo hints, *res;
+ struct addrinfo *ai, hints, *res;
int error, i;
const char *q;
bool syncfile;
@@ -3003,7 +3048,28 @@
dprintf("%s\n", gai_strerror(error));
break;
}
- f->f_addr = res;
+
+ for (ai = res; ai != NULL; ai = ai->ai_next)
+ ++f->f_num_addr_fds;
+
+ f->f_addr_fds = calloc(f->f_num_addr_fds,
+ sizeof(*f->f_addr_fds));
+ if (f->f_addr_fds == NULL)
+ err(1, "malloc failed");
+
+ for (ai = res, i = 0; ai != NULL; ai = ai->ai_next, ++i) {
+ int *sockp = &f->f_addr_fds[i];
+
+ *sockp = socket(ai->ai_family, ai->ai_socktype, 0);
+ if (*sockp < 0)
+ err(1, "socket");
+ if (connect(*sockp, ai->ai_addr, ai->ai_addrlen) < 0)
+ err(1, "connect");
+ /* Make it a write-only socket. */
+ if (shutdown(*sockp, SHUT_RD) < 0)
+ err(1, "shutdown");
+ }
+
f->f_type = F_FORW;
break;
diff --git a/usr.sbin/syslogd/syslogd_cap_config.c b/usr.sbin/syslogd/syslogd_cap_config.c
--- a/usr.sbin/syslogd/syslogd_cap_config.c
+++ b/usr.sbin/syslogd/syslogd_cap_config.c
@@ -137,18 +137,9 @@
} else if (f_type == F_FILE || f_type == F_CONSOLE || f_type == F_TTY) {
nvlist_add_string(nvl_filed, "f_fname", filed->f_fname);
} else if (f_type == F_FORW) {
- struct addrinfo *ai = filed->f_addr, *cur;
- nvlist_t *nvl_addrinfo;
-
nvlist_add_string(nvl_filed, "f_hname", filed->f_hname);
- if (filed->f_addr != NULL) {
- for (cur = ai; cur != NULL; cur = cur->ai_next) {
- nvl_addrinfo = addrinfo_pack(cur);
- nvlist_append_nvlist_array(nvl_filed,
- "f_addr", nvl_addrinfo);
- nvlist_destroy(nvl_addrinfo);
- }
- }
+ nvlist_add_descriptor_array(nvl_filed, "f_addr_fds",
+ filed->f_addr_fds, filed->f_num_addr_fds);
} else if (filed->f_type == F_PIPE) {
nvlist_add_string(nvl_filed, "f_pname", filed->f_pname);
if (filed->f_procdesc >= 0) {
@@ -217,19 +208,21 @@
(void)strlcpy(filed->f_fname, nvlist_get_string(nvl_filed,
"f_fname"), sizeof(filed->f_fname));
} else if (f_type == F_FORW) {
- const nvlist_t * const *f_addr;
- struct addrinfo *ai, **next = NULL;
+ const int *f_addr_fds;
(void)strlcpy(filed->f_hname, nvlist_get_string(nvl_filed,
"f_hname"), sizeof(filed->f_hname));
- f_addr = nvlist_get_nvlist_array(nvl_filed, "f_addr", &sz);
- for (i = 0; i < sz; ++i) {
- ai = addrinfo_unpack(f_addr[i]);
- if (next == NULL)
- filed->f_addr = ai;
- else
- *next = ai;
- next = &ai->ai_next;
+
+ f_addr_fds = nvlist_get_descriptor_array(nvl_filed,
+ "f_addr_fds", &filed->f_num_addr_fds);
+ filed->f_addr_fds = calloc(filed->f_num_addr_fds,
+ sizeof(*f_addr_fds));
+ if (filed->f_addr_fds == NULL)
+ err(1, "calloc");
+ for (i = 0; i < filed->f_num_addr_fds; ++i) {
+ filed->f_addr_fds[i] = dup(f_addr_fds[i]);
+ if (filed->f_addr_fds[i] < 0)
+ err(1, "dup");
}
} else if (filed->f_type == F_PIPE) {
(void)strlcpy(filed->f_pname, nvlist_get_string(nvl_filed,
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