/*
* Ported to Linux's Second Extended File System as part of the
* dump and restore backup suit
- * Remy Card <card@Linux.EU.Org>, 1994, 1995, 1996
+ * Remy Card <card@Linux.EU.Org>, 1994-1997
+ * Stelian Pop <pop@cybercable.fr>, 1999
*
*/
*/
#ifndef lint
-static char sccsid[] = "@(#)dumprmt.c 8.2 (Berkeley) 4/28/95";
+#if 0
+static char sccsid[] = "@(#)dumprmt.c 8.3 (Berkeley) 4/28/95";
+#endif
+static const char rcsid[] =
+ "$Id: dumprmt.c,v 1.2 1999/10/11 12:53:20 stelian Exp $";
#endif /* not lint */
+#ifdef __linux__
+#include <sys/types.h>
+#include <linux/types.h>
+#endif
#include <sys/param.h>
#include <sys/mtio.h>
-#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/time.h>
#ifdef __linux__
#include <linux/ext2_fs.h>
#include <bsdcompat.h>
+#include <signal.h>
#else
#ifdef sunos
#include <sys/vnode.h>
#endif
#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <protocols/dumprestore.h>
#include <ctype.h>
-#include <err.h>
#include <netdb.h>
#include <pwd.h>
-#include <signal.h>
#include <stdio.h>
#ifdef __STDC__
#include <stdlib.h>
static void rmtgetconn __P((void));
static void rmtgets __P((char *, int));
static int rmtreply __P((char *));
+#ifdef KERBEROS
+int krcmd __P((char **, int /*u_short*/, char *, char *, int *, char *));
+#endif
+static int errfd = -1;
+extern int dokerberos;
extern int ntrec; /* blocking factor on tape */
int
static void
rmtconnaborted()
{
+ msg("Lost connection to remote host.\n");
+ if (errfd != -1) {
+ fd_set r;
+ struct timeval t;
+
+ FD_ZERO(&r);
+ FD_SET(errfd, &r);
+ t.tv_sec = 0;
+ t.tv_usec = 0;
+ if (select(errfd + 1, &r, NULL, NULL, &t)) {
+ int i;
+ char buf[2048];
+
+ if ((i = read(errfd, buf, sizeof(buf) - 1)) > 0) {
+ buf[i] = '\0';
+ msg("on %s: %s%s", rmtpeer, buf,
+ buf[i - 1] == '\n' ? "" : "\n");
+ }
+ }
+ }
- errx(1, "Lost connection to remote host.");
+ exit(X_ABORT);
}
void
rmtgetconn()
{
register char *cp;
+ register const char *rmt;
static struct servent *sp = NULL;
static struct passwd *pwd = NULL;
-#ifdef notdef
- static int on = 1;
-#endif
char *tuser;
int size;
- int maxseg;
+ int throughput;
+ int on;
if (sp == NULL) {
- sp = getservbyname("shell", "tcp");
- if (sp == NULL)
- errx(1, "shell/tcp: unknown service");
+ sp = getservbyname(dokerberos ? "kshell" : "shell", "tcp");
+ if (sp == NULL) {
+ msg("%s/tcp: unknown service\n",
+ dokerberos ? "kshell" : "shell");
+ exit(X_STARTUP);
+ }
pwd = getpwuid(getuid());
- if (pwd == NULL)
- errx(1, "who are you?");
+ if (pwd == NULL) {
+ msg("who are you?\n");
+ exit(X_STARTUP);
+ }
}
if ((cp = strchr(rmtpeer, '@')) != NULL) {
tuser = rmtpeer;
*cp = '\0';
if (!okname(tuser))
- exit(1);
+ exit(X_STARTUP);
rmtpeer = ++cp;
} else
tuser = pwd->pw_name;
- rmtape = rcmd(&rmtpeer, (u_short)sp->s_port, pwd->pw_name, tuser,
- _PATH_RMT, (int *)0);
+ if ((rmt = getenv("RMT")) == NULL)
+ rmt = _PATH_RMT;
+ msg("");
+#ifdef KERBEROS
+ if (dokerberos)
+ rmtape = krcmd(&rmtpeer, sp->s_port, tuser, rmt, &errfd,
+ (char *)0);
+ else
+#endif
+ rmtape = rcmd(&rmtpeer, (u_short)sp->s_port, pwd->pw_name,
+ tuser, rmt, &errfd);
+ if (rmtape < 0) {
+ msg("login to %s as %s failed.\n", rmtpeer, tuser);
+ return;
+ }
+ (void)fprintf(stderr, "Connection to %s established.\n", rmtpeer);
size = ntrec * TP_BSIZE;
if (size > 60 * 1024) /* XXX */
size = 60 * 1024;
setsockopt(rmtape, SOL_SOCKET, SO_SNDBUF, &size, sizeof (size)) < 0)
size -= TP_BSIZE;
(void)setsockopt(rmtape, SOL_SOCKET, SO_RCVBUF, &size, sizeof (size));
- maxseg = 1024;
- if (setsockopt(rmtape, IPPROTO_TCP, TCP_MAXSEG,
- &maxseg, sizeof (maxseg)) < 0)
- perror("TCP_MAXSEG setsockopt");
-
-#ifdef notdef
+ throughput = IPTOS_THROUGHPUT;
+ if (setsockopt(rmtape, IPPROTO_IP, IP_TOS,
+ &throughput, sizeof(throughput)) < 0)
+ perror("IP_TOS:IPTOS_THROUGHPUT setsockopt");
+ on = 1;
if (setsockopt(rmtape, IPPROTO_TCP, TCP_NODELAY, &on, sizeof (on)) < 0)
perror("TCP_NODELAY setsockopt");
-#endif
}
static int
for (cp = cp0; *cp; cp++) {
c = *cp;
if (!isascii(c) || !(isalnum(c) || c == '_' || c == '-')) {
- warnx("invalid user name: %s", cp0);
+ msg("invalid user name %s\n", cp0);
return (0);
}
}
{
char buf[256];
- (void)sprintf(buf, "O%s\n%d\n", tape, mode);
+ (void)snprintf(buf, sizeof (buf), "O%.226s\n%d\n", tape, mode);
rmtstate = TS_OPEN;
return (rmtcall(tape, buf));
}
{
char line[30];
int n, i, cc;
- extern errno;
- (void)sprintf(line, "R%d\n", count);
+ (void)snprintf(line, sizeof (line), "R%d\n", count);
n = rmtcall("read", line);
- if (n < 0) {
- errno = n;
- return (-1);
- }
+ if (n < 0)
+ /* rmtcall() properly sets errno for us on errors. */
+ return (n);
for (i = 0; i < n; i += cc) {
cc = read(rmtape, buf+i, n - i);
- if (cc <= 0) {
+ if (cc <= 0)
rmtconnaborted();
- }
}
return (n);
}
{
char line[30];
- (void)sprintf(line, "W%d\n", count);
+ (void)snprintf(line, sizeof (line), "W%d\n", count);
write(rmtape, line, strlen(line));
write(rmtape, buf, count);
return (rmtreply("write"));
{
char line[30];
- (void)sprintf(line, "W%d\n", count);
+ (void)snprintf(line, sizeof (line), "W%d\n", count);
write(rmtape, line, strlen(line));
}
{
char line[80];
- (void)sprintf(line, "L%d\n%d\n", offset, pos);
+ (void)snprintf(line, sizeof (line), "L%d\n%d\n", offset, pos);
return (rmtcall("seek", line));
}
if (count < 0)
return (-1);
- (void)sprintf(buf, "I%d\n%d\n", cmd, count);
+ (void)snprintf(buf, sizeof (buf), "I%d\n%d\n", cmd, count);
return (rmtcall("ioctl", buf));
}
{
register char *cp;
char code[30], emsg[BUFSIZ];
+ extern int errno;
rmtgets(code, sizeof (code));
if (*code == 'E' || *code == 'F') {
rmtgets(emsg, sizeof (emsg));
msg("%s: %s", cmd, emsg);
- if (*code == 'F') {
+ errno = atoi(code + 1);
+ if (*code == 'F')
rmtstate = TS_CLOSED;
- return (-1);
- }
return (-1);
}
if (*code != 'A') {
git.wh0rd.org / dump.git / blobdiff