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Diffstat (limited to 'slirp/tcp_subr.c')
-rw-r--r--slirp/tcp_subr.c74
1 files changed, 46 insertions, 28 deletions
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c
index 868382a6c2..51b38344ef 100644
--- a/slirp/tcp_subr.c
+++ b/slirp/tcp_subr.c
@@ -48,10 +48,11 @@
* Tcp initialization
*/
void
-tcp_init(void)
+tcp_init(Slirp *slirp)
{
- tcp_iss = 1; /* wrong */
- tcb.so_next = tcb.so_prev = &tcb;
+ slirp->tcp_iss = 1; /* wrong */
+ slirp->tcb.so_next = slirp->tcb.so_prev = &slirp->tcb;
+ slirp->tcp_last_so = &slirp->tcb;
}
/*
@@ -116,7 +117,7 @@ tcp_respond(struct tcpcb *tp, struct tcpiphdr *ti, struct mbuf *m,
if (tp)
win = sbspace(&tp->t_socket->so_rcv);
if (m == NULL) {
- if ((m = m_get()) == NULL)
+ if ((m = m_get(tp->t_socket->slirp)) == NULL)
return;
tlen = 0;
m->m_data += IF_MAXLINKHDR;
@@ -237,6 +238,7 @@ tcp_close(struct tcpcb *tp)
{
register struct tcpiphdr *t;
struct socket *so = tp->t_socket;
+ Slirp *slirp = so->slirp;
register struct mbuf *m;
DEBUG_CALL("tcp_close");
@@ -253,8 +255,8 @@ tcp_close(struct tcpcb *tp)
free(tp);
so->so_tcpcb = NULL;
/* clobber input socket cache if we're closing the cached connection */
- if (so == tcp_last_so)
- tcp_last_so = &tcb;
+ if (so == slirp->tcp_last_so)
+ slirp->tcp_last_so = &slirp->tcb;
closesocket(so->s);
sbfree(&so->so_rcv);
sbfree(&so->so_snd);
@@ -317,6 +319,7 @@ tcp_sockclosed(struct tcpcb *tp)
*/
int tcp_fconnect(struct socket *so)
{
+ Slirp *slirp = so->slirp;
int ret=0;
DEBUG_CALL("tcp_fconnect");
@@ -333,9 +336,10 @@ int tcp_fconnect(struct socket *so)
setsockopt(s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(opt ));
addr.sin_family = AF_INET;
- if ((so->so_faddr.s_addr & vnetwork_mask.s_addr) == vnetwork_addr.s_addr) {
+ if ((so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) ==
+ slirp->vnetwork_addr.s_addr) {
/* It's an alias */
- if (so->so_faddr.s_addr == vnameserver_addr.s_addr) {
+ if (so->so_faddr.s_addr == slirp->vnameserver_addr.s_addr) {
addr.sin_addr = dns_addr;
} else {
addr.sin_addr = loopback_addr;
@@ -375,6 +379,7 @@ int tcp_fconnect(struct socket *so)
void
tcp_connect(struct socket *inso)
{
+ Slirp *slirp = inso->slirp;
struct socket *so;
struct sockaddr_in addr;
socklen_t addrlen = sizeof(struct sockaddr_in);
@@ -392,7 +397,7 @@ tcp_connect(struct socket *inso)
/* FACCEPTONCE already have a tcpcb */
so = inso;
} else {
- if ((so = socreate()) == NULL) {
+ if ((so = socreate(slirp)) == NULL) {
/* If it failed, get rid of the pending connection */
closesocket(accept(inso->s,(struct sockaddr *)&addr,&addrlen));
return;
@@ -423,7 +428,7 @@ tcp_connect(struct socket *inso)
so->so_faddr = addr.sin_addr;
/* Translate connections from localhost to the real hostname */
if (so->so_faddr.s_addr == 0 || so->so_faddr.s_addr == loopback_addr.s_addr)
- so->so_faddr = vhost_addr;
+ so->so_faddr = slirp->vhost_addr;
/* Close the accept() socket, set right state */
if (inso->so_state & SS_FACCEPTONCE) {
@@ -441,8 +446,8 @@ tcp_connect(struct socket *inso)
tp->t_state = TCPS_SYN_SENT;
tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT;
- tp->iss = tcp_iss;
- tcp_iss += TCP_ISSINCR/2;
+ tp->iss = slirp->tcp_iss;
+ slirp->tcp_iss += TCP_ISSINCR/2;
tcp_sendseqinit(tp);
tcp_output(tp);
}
@@ -456,7 +461,7 @@ tcp_attach(struct socket *so)
if ((so->so_tcpcb = tcp_newtcpcb(so)) == NULL)
return -1;
- insque(so, &tcb);
+ insque(so, &so->slirp->tcb);
return 0;
}
@@ -539,6 +544,7 @@ tcp_tos(struct socket *so)
int
tcp_emu(struct socket *so, struct mbuf *m)
{
+ Slirp *slirp = so->slirp;
u_int n1, n2, n3, n4, n5, n6;
char buff[257];
u_int32_t laddr;
@@ -572,7 +578,9 @@ tcp_emu(struct socket *so, struct mbuf *m)
HTONS(n1);
HTONS(n2);
/* n2 is the one on our host */
- for (tmpso = tcb.so_next; tmpso != &tcb; tmpso = tmpso->so_next) {
+ for (tmpso = slirp->tcb.so_next;
+ tmpso != &slirp->tcb;
+ tmpso = tmpso->so_next) {
if (tmpso->so_laddr.s_addr == so->so_laddr.s_addr &&
tmpso->so_lport == n2 &&
tmpso->so_faddr.s_addr == so->so_faddr.s_addr &&
@@ -608,9 +616,10 @@ tcp_emu(struct socket *so, struct mbuf *m)
laddr = htonl((n1 << 24) | (n2 << 16) | (n3 << 8) | (n4));
lport = htons((n5 << 8) | (n6));
- if ((so = tcp_listen(INADDR_ANY, 0, laddr, lport, SS_FACCEPTONCE)) == NULL)
+ if ((so = tcp_listen(slirp, INADDR_ANY, 0, laddr,
+ lport, SS_FACCEPTONCE)) == NULL) {
return 1;
-
+ }
n6 = ntohs(so->so_fport);
n5 = (n6 >> 8) & 0xff;
@@ -640,9 +649,10 @@ tcp_emu(struct socket *so, struct mbuf *m)
laddr = htonl((n1 << 24) | (n2 << 16) | (n3 << 8) | (n4));
lport = htons((n5 << 8) | (n6));
- if ((so = tcp_listen(INADDR_ANY, 0, laddr, lport, SS_FACCEPTONCE)) == NULL)
+ if ((so = tcp_listen(slirp, INADDR_ANY, 0, laddr,
+ lport, SS_FACCEPTONCE)) == NULL) {
return 1;
-
+ }
n6 = ntohs(so->so_fport);
n5 = (n6 >> 8) & 0xff;
@@ -680,7 +690,8 @@ tcp_emu(struct socket *so, struct mbuf *m)
lport += m->m_data[i] - '0';
}
if (m->m_data[m->m_len-1] == '\0' && lport != 0 &&
- (so = tcp_listen(INADDR_ANY, 0, so->so_laddr.s_addr, htons(lport), SS_FACCEPTONCE)) != NULL)
+ (so = tcp_listen(slirp, INADDR_ANY, 0, so->so_laddr.s_addr,
+ htons(lport), SS_FACCEPTONCE)) != NULL)
m->m_len = snprintf(m->m_data, m->m_hdr.mh_size, "%d",
ntohs(so->so_fport)) + 1;
return 1;
@@ -695,27 +706,33 @@ tcp_emu(struct socket *so, struct mbuf *m)
/* The %256s is for the broken mIRC */
if (sscanf(bptr, "DCC CHAT %256s %u %u", buff, &laddr, &lport) == 3) {
- if ((so = tcp_listen(INADDR_ANY, 0, htonl(laddr), htons(lport), SS_FACCEPTONCE)) == NULL)
+ if ((so = tcp_listen(slirp, INADDR_ANY, 0,
+ htonl(laddr), htons(lport),
+ SS_FACCEPTONCE)) == NULL) {
return 1;
-
+ }
m->m_len = bptr - m->m_data; /* Adjust length */
m->m_len += snprintf(bptr, m->m_hdr.mh_size,
"DCC CHAT chat %lu %u%c\n",
(unsigned long)ntohl(so->so_faddr.s_addr),
ntohs(so->so_fport), 1);
} else if (sscanf(bptr, "DCC SEND %256s %u %u %u", buff, &laddr, &lport, &n1) == 4) {
- if ((so = tcp_listen(INADDR_ANY, 0, htonl(laddr), htons(lport), SS_FACCEPTONCE)) == NULL)
+ if ((so = tcp_listen(slirp, INADDR_ANY, 0,
+ htonl(laddr), htons(lport),
+ SS_FACCEPTONCE)) == NULL) {
return 1;
-
+ }
m->m_len = bptr - m->m_data; /* Adjust length */
m->m_len += snprintf(bptr, m->m_hdr.mh_size,
"DCC SEND %s %lu %u %u%c\n", buff,
(unsigned long)ntohl(so->so_faddr.s_addr),
ntohs(so->so_fport), n1, 1);
} else if (sscanf(bptr, "DCC MOVE %256s %u %u %u", buff, &laddr, &lport, &n1) == 4) {
- if ((so = tcp_listen(INADDR_ANY, 0, htonl(laddr), htons(lport), SS_FACCEPTONCE)) == NULL)
+ if ((so = tcp_listen(slirp, INADDR_ANY, 0,
+ htonl(laddr), htons(lport),
+ SS_FACCEPTONCE)) == NULL) {
return 1;
-
+ }
m->m_len = bptr - m->m_data; /* Adjust length */
m->m_len += snprintf(bptr, m->m_hdr.mh_size,
"DCC MOVE %s %lu %u %u%c\n", buff,
@@ -828,7 +845,7 @@ tcp_emu(struct socket *so, struct mbuf *m)
/* try to get udp port between 6970 - 7170 */
for (p = 6970; p < 7071; p++) {
- if (udp_listen(INADDR_ANY,
+ if (udp_listen(slirp, INADDR_ANY,
htons(p),
so->so_laddr.s_addr,
htons(lport),
@@ -865,6 +882,7 @@ tcp_emu(struct socket *so, struct mbuf *m)
*/
int tcp_ctl(struct socket *so)
{
+ Slirp *slirp = so->slirp;
struct sbuf *sb = &so->so_snd;
struct ex_list *ex_ptr;
int do_pty;
@@ -872,9 +890,9 @@ int tcp_ctl(struct socket *so)
DEBUG_CALL("tcp_ctl");
DEBUG_ARG("so = %lx", (long )so);
- if (so->so_faddr.s_addr != vhost_addr.s_addr) {
+ if (so->so_faddr.s_addr != slirp->vhost_addr.s_addr) {
/* Check if it's pty_exec */
- for (ex_ptr = exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) {
+ for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) {
if (ex_ptr->ex_fport == so->so_fport &&
so->so_faddr.s_addr == ex_ptr->ex_addr.s_addr) {
if (ex_ptr->ex_pty == 3) {
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-02 00:59:45 +0000