SCCS-vsn: lib/libc/net/rcmd.c 4.3
SCCS-vsn: lib/libcompat/4.3/rexec.c 4.4
-static char sccsid[] = "@(#)rcmd.c 4.2 82/10/07";
+static char sccsid[] = "@(#)rcmd.c 4.3 %G%";
#endif
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#endif
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
-#include <net/in.h>
-#include <errno.h>
+
+#include <netinet/in.h>
+
extern errno;
char *index(), *sprintf();
extern errno;
char *index(), *sprintf();
char *locuser, *remuser, *cmd;
int *fd2p;
{
char *locuser, *remuser, *cmd;
int *fd2p;
{
struct sockaddr_in sin, sin2, from;
char c;
short port;
struct sockaddr_in sin, sin2, from;
char c;
short port;
+ int lport = IPPORT_RESERVED - 1;
struct hostent *hp;
hp = gethostbyname(*ahost);
struct hostent *hp;
hp = gethostbyname(*ahost);
}
*ahost = hp->h_name;
retry:
}
*ahost = hp->h_name;
retry:
- s = rresvport(rcmdoptions|SO_KEEPALIVE);
+ s = rresvport(rcmdoptions|SO_KEEPALIVE, &lport);
if (s < 0)
return (-1);
sin.sin_family = hp->h_addrtype;
if (s < 0)
return (-1);
sin.sin_family = hp->h_addrtype;
- bcopy(hp->h_addr, &sin.sin_addr, hp->h_length);
- sin.sin_port = htons(rport);
- if (connect(s, &sin) < 0) {
+ bcopy(hp->h_addr, (caddr_t)&sin.sin_addr, hp->h_length);
+ sin.sin_port = htons((u_short)rport);
+ if (connect(s, (caddr_t)&sin, sizeof (sin), 0) < 0) {
+ if (errno == EADDRINUSE) {
+ close(s);
+ lport--;
+ goto retry;
+ }
if (errno == ECONNREFUSED && timo <= 16) {
(void) close(s);
sleep(timo);
timo *= 2;
goto retry;
}
if (errno == ECONNREFUSED && timo <= 16) {
(void) close(s);
sleep(timo);
timo *= 2;
goto retry;
}
if (fd2p == 0) {
write(s, "", 1);
port = 0;
} else {
char num[8];
if (fd2p == 0) {
write(s, "", 1);
port = 0;
} else {
char num[8];
- int s2 = rresvport(rcmdoptions|SO_ACCEPTCONN);
+ int s2 = rresvport(rcmdoptions|SO_ACCEPTCONN, &lport), s3;
if (s2 < 0) {
(void) close(s);
return (-1);
}
if (s2 < 0) {
(void) close(s);
return (-1);
}
socketaddr(s2, &sin2);
port = htons((u_short)sin2.sin_port);
(void) sprintf(num, "%d", port);
(void) write(s, num, strlen(num)+1);
socketaddr(s2, &sin2);
port = htons((u_short)sin2.sin_port);
(void) sprintf(num, "%d", port);
(void) write(s, num, strlen(num)+1);
- if (accept(s2, &from) < 0) {
+ { int len = sizeof (from);
+ s3 = accept(s2, &from, &len, 0);
+ close(s2);
+ if (s3 < 0) {
- from.sin_port = ntohs(from.sin_port);
+ *fd2p = s3;
+ from.sin_port = ntohs((u_short)from.sin_port);
if (from.sin_family != AF_INET ||
from.sin_port >= IPPORT_RESERVED) {
fprintf(stderr,
"socket: protocol failure in circuit setup.\n");
if (from.sin_family != AF_INET ||
from.sin_port >= IPPORT_RESERVED) {
fprintf(stderr,
"socket: protocol failure in circuit setup.\n");
}
(void) write(s, locuser, strlen(locuser)+1);
(void) write(s, remuser, strlen(remuser)+1);
(void) write(s, cmd, strlen(cmd)+1);
if (read(s, &c, 1) != 1) {
perror(*ahost);
}
(void) write(s, locuser, strlen(locuser)+1);
(void) write(s, remuser, strlen(remuser)+1);
(void) write(s, cmd, strlen(cmd)+1);
if (read(s, &c, 1) != 1) {
perror(*ahost);
}
if (c != 0) {
while (read(s, &c, 1) == 1) {
}
if (c != 0) {
while (read(s, &c, 1) == 1) {
if (port)
(void) close(*fd2p);
if (port)
(void) close(*fd2p);
(void) close(s);
return (-1);
}
(void) close(s);
return (-1);
}
-rresvport(options)
- int options;
+rresvport(options, alport)
+ int options, *alport;
{
struct sockaddr_in sin;
{
struct sockaddr_in sin;
- short lport = IPPORT_RESERVED - 1;
+ sin.sin_family = AF_INET;
+ sin.sin_addr.s_addr = 0;
+ s = socket(0, SOCK_STREAM, 0, 0);
+ if (s < 0)
+ return (-1);
- sin.sin_family = AF_INET;
- sin.sin_port = htons(lport);
- sin.sin_addr.s_addr = 0;
- s = socket(SOCK_STREAM, 0, &sin, options);
- if (s >= 0)
+ sin.sin_port = htons((u_short)*alport);
+ if (bind(s, (caddr_t)&sin, sizeof (sin), 0) >= 0)
return (s);
if (errno != EADDRINUSE && errno != EADDRNOTAVAIL) {
perror("socket");
return (-1);
}
return (s);
if (errno != EADDRINUSE && errno != EADDRNOTAVAIL) {
perror("socket");
return (-1);
}
- lport--;
- if (lport == IPPORT_RESERVED/2) {
+ (*alport)--;
+ if (*alport == IPPORT_RESERVED/2) {
fprintf(stderr, "socket: All ports in use\n");
return (-1);
}
fprintf(stderr, "socket: All ports in use\n");
return (-1);
}
(void) fclose(hostf);
return (0);
}
(void) fclose(hostf);
return (0);
}
+
+socketaddr(x, y)
+{
+
+ syscall(103,x,y);
+}
-static char sccsid[] = "@(#)rexec.c 4.3 82/04/01";
+static char sccsid[] = "@(#)rexec.c 4.4 82/11/14";
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/socket.h>
+
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <netdb.h>
#include <errno.h>
extern errno;
#include <errno.h>
extern errno;
char *name, *pass, *cmd;
int *fd2p;
{
char *name, *pass, *cmd;
int *fd2p;
{
struct sockaddr_in sin, sin2, from;
char c;
short port;
struct sockaddr_in sin, sin2, from;
char c;
short port;
- addr = rhost(ahost);
- if (addr == -1) {
+ hp = gethostbyname(*ahost);
+ if (hp == 0) {
fprintf(stderr, "%s: unknown host\n", *ahost);
return (-1);
}
fprintf(stderr, "%s: unknown host\n", *ahost);
return (-1);
}
- ruserpass(*ahost, &name, &pass);
+ *ahost = hp->h_name;
+ ruserpass(hp->h_name, &name, &pass);
- sin.sin_family = AF_INET;
- sin.sin_port = 0;
- sin.sin_addr.s_addr = 0;
- s = socket(SOCK_STREAM, 0, &sin, rexecoptions|SO_KEEPALIVE);
- if (s < 0)
+ s = socket(0, SOCK_STREAM, 0, 0);
+ if (s < 0) {
+ perror("rexec: socket");
- sin.sin_addr.s_addr = addr;
+ }
+ sin.sin_family = hp->h_addrtype;
-#if vax
- sin.sin_port =
- ((sin.sin_port << 8) & 0xff00) | ((sin.sin_port >> 8) & 0x00ff);
-#endif
+ bcopy(hp->h_addr, (caddr_t)&sin.sin_addr, hp->h_length);
+ sin.sin_port = htons((u_short)rport);
if (connect(s, &sin) < 0) {
if (errno == ECONNREFUSED && timo <= 16) {
(void) close(s);
if (connect(s, &sin) < 0) {
if (errno == ECONNREFUSED && timo <= 16) {
(void) close(s);
return (-1);
}
if (fd2p == 0) {
return (-1);
}
if (fd2p == 0) {
- sin.sin_family = AF_INET;
- sin.sin_port = 0;
- sin.sin_addr.s_addr = 0;
- s2 = socket(SOCK_STREAM, 0, &sin, rexecoptions|SO_ACCEPTCONN);
-
+ s2 = socket(0, SOCK_STREAM, 0, 0);
if (s2 < 0) {
(void) close(s);
return (-1);
}
if (s2 < 0) {
(void) close(s);
return (-1);
}
- port = sin2.sin_port;
-#if vax
- port = ((port << 8) & 0xff00) | ((port >> 8) & 0x00ff);
-#endif
+ port = ntohs((u_short)sin2.sin_port);
(void) sprintf(num, "%d", port);
(void) write(s, num, strlen(num)+1);
(void) sprintf(num, "%d", port);
(void) write(s, num, strlen(num)+1);
- if (accept(s2, &from) < 0) {
+ { int len = sizeof (from);
+ s3 = accept(s2, &from, &len, 0);
+ close(s2);
+ if (s3 < 0) {
}
(void) write(s, name, strlen(name) + 1);
/* should public key encypt the password here */
}
(void) write(s, name, strlen(name) + 1);
/* should public key encypt the password here */