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Diffstat (limited to 'slirp')
-rw-r--r--slirp/tcp_input.c104
-rw-r--r--slirp/tcp_output.c29
-rw-r--r--slirp/tcp_subr.c50
3 files changed, 91 insertions, 92 deletions
diff --git a/slirp/tcp_input.c b/slirp/tcp_input.c
index 69e53761a0..bce03a3f56 100644
--- a/slirp/tcp_input.c
+++ b/slirp/tcp_input.c
@@ -258,48 +258,48 @@ tcp_input(struct mbuf *m, int iphlen, struct socket *inso, unsigned short af)
switch (af) {
case AF_INET:
- if (iphlen > sizeof(struct ip )) {
- ip_stripoptions(m, (struct mbuf *)0);
- iphlen=sizeof(struct ip );
- }
- /* XXX Check if too short */
+ if (iphlen > sizeof(struct ip)) {
+ ip_stripoptions(m, (struct mbuf *)0);
+ iphlen = sizeof(struct ip);
+ }
+ /* XXX Check if too short */
- /*
- * Save a copy of the IP header in case we want restore it
- * for sending an ICMP error message in response.
- */
- ip=mtod(m, struct ip *);
- save_ip = *ip;
- save_ip.ip_len+= iphlen;
+ /*
+ * Save a copy of the IP header in case we want restore it
+ * for sending an ICMP error message in response.
+ */
+ ip = mtod(m, struct ip *);
+ save_ip = *ip;
+ save_ip.ip_len += iphlen;
- /*
- * Get IP and TCP header together in first mbuf.
- * Note: IP leaves IP header in first mbuf.
- */
- m->m_data -= sizeof(struct tcpiphdr) - sizeof(struct ip)
- - sizeof(struct tcphdr);
- m->m_len += sizeof(struct tcpiphdr) - sizeof(struct ip)
- - sizeof(struct tcphdr);
- ti = mtod(m, struct tcpiphdr *);
+ /*
+ * Get IP and TCP header together in first mbuf.
+ * Note: IP leaves IP header in first mbuf.
+ */
+ m->m_data -= sizeof(struct tcpiphdr) - sizeof(struct ip)
+ - sizeof(struct tcphdr);
+ m->m_len += sizeof(struct tcpiphdr) - sizeof(struct ip)
+ - sizeof(struct tcphdr);
+ ti = mtod(m, struct tcpiphdr *);
- /*
- * Checksum extended TCP header and data.
- */
- tlen = ip->ip_len;
- tcpiphdr2qlink(ti)->next = tcpiphdr2qlink(ti)->prev = NULL;
- memset(&ti->ih_mbuf, 0 , sizeof(struct mbuf_ptr));
- memset(&ti->ti, 0, sizeof(ti->ti));
- ti->ti_x0 = 0;
- ti->ti_src = save_ip.ip_src;
- ti->ti_dst = save_ip.ip_dst;
- ti->ti_pr = save_ip.ip_p;
- ti->ti_len = htons((uint16_t)tlen);
- len = ((sizeof(struct tcpiphdr) - sizeof(struct tcphdr)) + tlen);
- if(cksum(m, len)) {
- goto drop;
- }
- break;
+ /*
+ * Checksum extended TCP header and data.
+ */
+ tlen = ip->ip_len;
+ tcpiphdr2qlink(ti)->next = tcpiphdr2qlink(ti)->prev = NULL;
+ memset(&ti->ih_mbuf, 0 , sizeof(struct mbuf_ptr));
+ memset(&ti->ti, 0, sizeof(ti->ti));
+ ti->ti_x0 = 0;
+ ti->ti_src = save_ip.ip_src;
+ ti->ti_dst = save_ip.ip_dst;
+ ti->ti_pr = save_ip.ip_p;
+ ti->ti_len = htons((uint16_t)tlen);
+ len = ((sizeof(struct tcpiphdr) - sizeof(struct tcphdr)) + tlen);
+ if (cksum(m, len)) {
+ goto drop;
+ }
+ break;
default:
g_assert_not_reached();
@@ -343,12 +343,12 @@ findso:
fhost.ss_family = af;
switch (af) {
case AF_INET:
- lhost4 = (struct sockaddr_in *) &lhost;
- lhost4->sin_addr = ti->ti_src;
- lhost4->sin_port = ti->ti_sport;
- fhost4 = (struct sockaddr_in *) &fhost;
- fhost4->sin_addr = ti->ti_dst;
- fhost4->sin_port = ti->ti_dport;
+ lhost4 = (struct sockaddr_in *) &lhost;
+ lhost4->sin_addr = ti->ti_src;
+ lhost4->sin_port = ti->ti_sport;
+ fhost4 = (struct sockaddr_in *) &fhost;
+ fhost4->sin_addr = ti->ti_dst;
+ fhost4->sin_port = ti->ti_dport;
break;
default:
g_assert_not_reached();
@@ -591,8 +591,8 @@ findso:
* tcp_ctl once connected, otherwise connect
*/
if (af == AF_INET &&
- (so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) ==
- slirp->vnetwork_addr.s_addr) {
+ (so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) ==
+ slirp->vnetwork_addr.s_addr) {
if (so->so_faddr.s_addr != slirp->vhost_addr.s_addr &&
so->so_faddr.s_addr != slirp->vnameserver_addr.s_addr) {
/* May be an add exec */
@@ -645,12 +645,12 @@ findso:
m->m_len += sizeof(struct tcpiphdr)+off-sizeof(struct tcphdr);
switch (af) {
case AF_INET:
- m->m_data += sizeof(struct tcpiphdr) - sizeof(struct ip)
- - sizeof(struct tcphdr);
- m->m_len -= sizeof(struct tcpiphdr) - sizeof(struct ip)
- - sizeof(struct tcphdr);
- *ip=save_ip;
- icmp_send_error(m, ICMP_UNREACH, code, 0, strerror(errno));
+ m->m_data += sizeof(struct tcpiphdr) - sizeof(struct ip)
+ - sizeof(struct tcphdr);
+ m->m_len -= sizeof(struct tcpiphdr) - sizeof(struct ip)
+ - sizeof(struct tcphdr);
+ *ip = save_ip;
+ icmp_send_error(m, ICMP_UNREACH, code, 0, strerror(errno));
break;
default:
g_assert_not_reached();
diff --git a/slirp/tcp_output.c b/slirp/tcp_output.c
index 32201fbc41..eec8902466 100644
--- a/slirp/tcp_output.c
+++ b/slirp/tcp_output.c
@@ -452,21 +452,20 @@ send:
switch (so->so_ffamily) {
case AF_INET:
- m->m_data += sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
- - sizeof(struct ip);
- m->m_len -= sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
- - sizeof(struct ip);
- ip = mtod(m, struct ip *);
-
- ip->ip_len = m->m_len;
- ip->ip_dst = tcpiph_save.ti_dst;
- ip->ip_src = tcpiph_save.ti_src;
- ip->ip_p = tcpiph_save.ti_pr;
-
- ip->ip_ttl = IPDEFTTL;
- ip->ip_tos = so->so_iptos;
-
- error = ip_output(so, m);
+ m->m_data += sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
+ - sizeof(struct ip);
+ m->m_len -= sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
+ - sizeof(struct ip);
+ ip = mtod(m, struct ip *);
+
+ ip->ip_len = m->m_len;
+ ip->ip_dst = tcpiph_save.ti_dst;
+ ip->ip_src = tcpiph_save.ti_src;
+ ip->ip_p = tcpiph_save.ti_pr;
+
+ ip->ip_ttl = IPDEFTTL;
+ ip->ip_tos = so->so_iptos;
+ error = ip_output(so, m);
break;
default:
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c
index ee101e2229..c16b29d763 100644
--- a/slirp/tcp_subr.c
+++ b/slirp/tcp_subr.c
@@ -80,12 +80,12 @@ tcp_template(struct tcpcb *tp)
n->ti_x0 = 0;
switch (so->so_ffamily) {
case AF_INET:
- n->ti_pr = IPPROTO_TCP;
- n->ti_len = htons(sizeof(struct tcphdr));
- n->ti_src = so->so_faddr;
- n->ti_dst = so->so_laddr;
- n->ti_sport = so->so_fport;
- n->ti_dport = so->so_lport;
+ n->ti_pr = IPPROTO_TCP;
+ n->ti_len = htons(sizeof(struct tcphdr));
+ n->ti_src = so->so_faddr;
+ n->ti_dst = so->so_laddr;
+ n->ti_sport = so->so_fport;
+ n->ti_dport = so->so_lport;
break;
default:
@@ -153,8 +153,8 @@ tcp_respond(struct tcpcb *tp, struct tcpiphdr *ti, struct mbuf *m,
#define xchg(a,b,type) { type t; t=a; a=b; b=t; }
switch (af) {
case AF_INET:
- xchg(ti->ti_dst.s_addr, ti->ti_src.s_addr, uint32_t);
- xchg(ti->ti_dport, ti->ti_sport, uint16_t);
+ xchg(ti->ti_dst.s_addr, ti->ti_src.s_addr, uint32_t);
+ xchg(ti->ti_dport, ti->ti_sport, uint16_t);
break;
default:
g_assert_not_reached();
@@ -185,23 +185,23 @@ tcp_respond(struct tcpcb *tp, struct tcpiphdr *ti, struct mbuf *m,
switch (af) {
case AF_INET:
- m->m_data += sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
- - sizeof(struct ip);
- m->m_len -= sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
- - sizeof(struct ip);
- ip = mtod(m, struct ip *);
- ip->ip_len = tlen;
- ip->ip_dst = tcpiph_save.ti_dst;
- ip->ip_src = tcpiph_save.ti_src;
- ip->ip_p = tcpiph_save.ti_pr;
-
- if (flags & TH_RST) {
- ip->ip_ttl = MAXTTL;
- } else {
- ip->ip_ttl = IPDEFTTL;
- }
-
- (void) ip_output((struct socket *)0, m);
+ m->m_data += sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
+ - sizeof(struct ip);
+ m->m_len -= sizeof(struct tcpiphdr) - sizeof(struct tcphdr)
+ - sizeof(struct ip);
+ ip = mtod(m, struct ip *);
+ ip->ip_len = tlen;
+ ip->ip_dst = tcpiph_save.ti_dst;
+ ip->ip_src = tcpiph_save.ti_src;
+ ip->ip_p = tcpiph_save.ti_pr;
+
+ if (flags & TH_RST) {
+ ip->ip_ttl = MAXTTL;
+ } else {
+ ip->ip_ttl = IPDEFTTL;
+ }
+
+ (void) ip_output((struct socket *)0, m);
break;
default:
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-18 21:13:13 +0000