* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
#ifndef lint
static const char rcsid[] =
- "$Id: dumprmt.c,v 1.25 2003/02/12 11:02:29 stelian Exp $";
+ "$Id: dumprmt.c,v 1.29 2006/03/13 10:33:44 stelian Exp $";
#endif /* not lint */
#include <config.h>
static int errfd = -1;
extern int dokerberos;
extern int ntrec; /* blocking factor on tape */
+extern int abortifconnerr; /* set to 1 if this lib should exit on connection errors
+ otherwise just print a message using msg */
#ifndef errno
extern int errno;
#endif
}
}
}
-
- exit(X_ABORT);
+ if (abortifconnerr)
+ exit(X_ABORT);
}
static int
if (!rsh && sp == NULL) {
sp = getservbyname(dokerberos ? "kshell" : "shell", "tcp");
- if (sp == NULL)
- errx(1, "%s/tcp: unknown service",
- dokerberos ? "kshell" : "shell");
+ if (sp == NULL) {
+ if (abortifconnerr) {
+ errx(1, "%s/tcp: unknown service", dokerberos ? "kshell" : "shell");
+ } else {
+ msg("%s/tcp: unknown service", dokerberos ? "kshell" : "shell");
+ return 0;
+ }
+ }
}
if (pwd == NULL) {
pwd = getpwuid(getuid());
- if (pwd == NULL)
- errx(1, "who are you?");
+ if (pwd == NULL) {
+ if (abortifconnerr) {
+ errx(1, "who are you?");
+ } else {
+ msg("who are you?");
+ return 0;
+ }
+ }
}
if ((cp = strchr(rmtpeer, '@')) != NULL) {
tuser = rmtpeer;
*cp = '\0';
- if (!okname(tuser))
- exit(X_STARTUP);
+ if (!okname(tuser)) {
+ if (abortifconnerr) {
+ exit(X_STARTUP);
+ } else {
+ return 0;
+ }
+ }
rmtpeer = ++cp;
} else
tuser = pwd->pw_name;
(void)snprintf(line, sizeof (line), "R%u\n", (unsigned)count);
n = rmtcall("read", line);
- if (n < 0)
+ if (n < 0) {
/* rmtcall() properly sets errno for us on errors. */
- return (n);
+ errno = n;
+ return (-1);
+ }
for (i = 0; i < n; i += cc) {
cc = read(fromrmtape, buf+i, n - i);
if (cc <= 0)
if (rmtstate != TS_OPEN)
return (NULL);
- rmtcall("status", "S\n");
+ i = rmtcall("status", "S");
+ if (i < 0) return NULL;
+ if (i != (int)sizeof(mts)) {
+ msg("mtget sizes different between host (%d) "
+ "and remote tape (%d)", sizeof(mts), i);
+ for ( /* empty */; i > 0; --i)
+ rmtgetb();
+ return NULL;
+ }
for (i = 0, cp = (char *)&mts; i < (int)sizeof(mts); i++)
*cp++ = rmtgetb();
return (&mts);