summaryrefslogtreecommitdiffstats
path: root/crypto/kerberosIV/appl/bsd/rcp_util.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/kerberosIV/appl/bsd/rcp_util.c')
-rw-r--r--crypto/kerberosIV/appl/bsd/rcp_util.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/crypto/kerberosIV/appl/bsd/rcp_util.c b/crypto/kerberosIV/appl/bsd/rcp_util.c
new file mode 100644
index 0000000..6f0c5f0
--- /dev/null
+++ b/crypto/kerberosIV/appl/bsd/rcp_util.c
@@ -0,0 +1,97 @@
+/*-
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 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
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "bsd_locl.h"
+
+RCSID("$Id: rcp_util.c,v 1.7 1996/11/17 20:23:05 assar Exp $");
+
+char *
+colon(char *cp)
+{
+ if (*cp == ':') /* Leading colon is part of file name. */
+ return (0);
+
+ for (; *cp; ++cp) {
+ if (*cp == ':')
+ return (cp);
+ if (*cp == '/')
+ return (0);
+ }
+ return (0);
+}
+
+int
+okname(char *cp0)
+{
+ int c;
+ char *cp;
+
+ cp = cp0;
+ do {
+ c = *cp;
+ if (c & 0200)
+ goto bad;
+ if (!isalpha(c) && !isdigit(c) && c != '_' && c != '-')
+ goto bad;
+ } while (*++cp);
+ return (1);
+
+bad: warnx("%s: invalid user name", cp0);
+ return (0);
+}
+
+int
+susystem(char *s, int userid)
+{
+ RETSIGTYPE (*istat)(), (*qstat)();
+ int status;
+ pid_t pid;
+
+ pid = fork();
+ switch (pid) {
+ case -1:
+ return (127);
+
+ case 0:
+ setuid(userid);
+ execl(_PATH_BSHELL, "sh", "-c", s, NULL);
+ _exit(127);
+ }
+ istat = signal(SIGINT, SIG_IGN);
+ qstat = signal(SIGQUIT, SIG_IGN);
+ if (waitpid(pid, &status, 0) < 0)
+ status = -1;
+ signal(SIGINT, istat);
+ signal(SIGQUIT, qstat);
+ return (status);
+}
OpenPOWER on IntegriCloud