6437624 RFE: Add ksh93 (as /usr/bin/ksh93) and libshell.so to OS/Net

6505835 AST tools and library (libpp) required for creating l10n messages for ksh93
PSARC/2006/550 Korn Shell 93 Integration
PSARC/2006/587 /etc/ksh.kshrc for ksh93
PSARC/2007/035 ksh93 Amendments
Contributed by Roland Mainz <roland.mainz@nrubsig.org>

--HG--
rename : usr/src/lib/libcmd/common/mapfile-vers => deleted_files/usr/src/lib/libcmd/common/mapfile-vers
rename : usr/src/lib/libcmd/common/placeholder.c => deleted_files/usr/src/lib/libcmd/common/placeholder.c

1 files changed, 571 insertions, 0 deletions

diff --git a/usr/src/lib/libast/common/uwin/rcmd.c b/usr/src/lib/libast/common/uwin/rcmd.c
new file mode 100644
index 0000000000..af296840f6
--- /dev/null
+++ b/usr/src/lib/libast/common/uwin/rcmd.c
@@ -0,0 +1,571 @@
+#include "FEATURE/uwin"
+
+#if !_UWIN || _lib_rcmd
+
+void _STUB_rcmd(){}
+
+#else
+
+/*
+ * Copyright (c) 1983
+ *	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. 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)rcmd.c	5.17 (Berkeley) 6/27/88";
+#endif /* LIBC_SCCS and not lint */
+
+#include "rlib.h"
+#include <pwd.h>
+#include <sys/file.h>
+#include <sys/signal.h>
+#if 1
+#define _PATH_HEQUIV	"/etc/hosts.equiv"
+#endif
+#include <sys/stat.h>
+
+#if NLS
+#include "nl_types.h"
+#endif
+
+#ifdef YP
+#include <rpcsvc/ypclnt.h>
+extern void setnetgrent(const char *);
+extern void endnetgrent(void);
+extern int getnetgrent(char **, char **, char **);
+static char *nisdomain = NULL;
+static int _checknetgrouphost(const char *, const char *, int);
+static int _checknetgroupuser(const char *, const char *);
+#endif
+
+#if defined(__EXPORT__)
+#define extern		__EXPORT__
+#endif
+
+extern int rresvport(int *alport)
+{
+	struct sockaddr_in sin;
+	int s;
+
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = INADDR_ANY;
+	s = socket(AF_INET, SOCK_STREAM, 0);
+	if (s < 0)
+		return (-1);
+	for (;;) {
+		sin.sin_port = htons((u_short)*alport);
+		if (bind(s, (struct sockaddr *)&sin, sizeof (sin)) >= 0)
+			return (s);
+		if (errno != EADDRINUSE) {
+			(void) close(s);
+			return (-1);
+		}
+		(*alport)--;
+		if (*alport == IPPORT_RESERVED/2) {
+			(void) close(s);
+			errno = EAGAIN;		/* close */
+			return (-1);
+		}
+	}
+}
+
+extern int rcmd(char **ahost, unsigned short rport, const char *locuser, const char *remuser, const char *cmd, int *fd2p)
+{
+	int s, timo = 1;
+#ifdef F_SETOWN
+	pid_t pid;
+#endif
+#ifdef _POSIX_SOURCE
+	sigset_t set, oset;
+#else
+	long oldmask;
+#endif
+	struct sockaddr_in sin, from;
+	char c;
+	int lport = IPPORT_RESERVED - 1;
+	struct hostent *hp;
+
+#if NLS
+	libc_nls_init();
+#endif
+
+#ifdef F_SETOWN
+	pid = getpid();
+#endif
+	hp = gethostbyname(*ahost);
+	if (hp == 0) {
+#if NLS
+		fprintf(stderr, "%s: %s\n", *ahost,
+		    catgets(_libc_cat, HerrorListSet,
+		    2, "unknown host"));
+#else
+		fprintf(stderr, "%s: unknown host\n", *ahost);
+#endif
+		return (-1);
+	}
+	*ahost = hp->h_name;
+#ifdef SIGURG
+#ifdef _POSIX_SOURCE
+	sigemptyset (&set);
+	sigaddset (&set, SIGURG);
+	sigprocmask (SIG_BLOCK, &set, &oset);
+#else
+	oldmask = sigblock(sigmask(SIGURG));
+#endif
+#endif
+	for (;;) {
+		s = rresvport(&lport);
+		if (s < 0) {
+			if (errno == EAGAIN)
+#if NLS
+				fprintf(stderr, "socket: %s\n",
+				    catgets(_libc_cat, NetMiscSet,
+				    NetMiscAllPortsInUse,
+				    "All ports in use"));
+#else
+			fprintf(stderr, "socket: All ports in use\n");
+#endif
+			else
+#if NLS
+	perror(catgets(_libc_cat, NetMiscSet,
+	    NetMiscRcmdSocket,
+	    "rcmd: socket"));
+#else
+perror("rcmd: socket");
+#endif
+#ifdef SIGURG
+#ifdef _POSIX_SOURCE
+sigprocmask (SIG_SETMASK, &oset,
+(sigset_t *)NULL);
+#else
+sigsetmask(oldmask);
+#endif
+#endif
+return (-1);
+		}
+#ifdef F_SETOWN
+		fcntl(s, F_SETOWN, pid);
+#endif
+		sin.sin_family = hp->h_addrtype;
+		bcopy(hp->h_addr_list[0], (caddr_t)&sin.sin_addr, hp->h_length);
+		sin.sin_port = rport;
+		if (connect(s, (struct sockaddr *)&sin, sizeof (sin)) >= 0)
+			break;
+		(void) close(s);
+		if (errno == EADDRINUSE) {
+			lport--;
+			continue;
+		}
+		if (errno == ECONNREFUSED && timo <= 16) {
+			sleep(timo);
+			timo *= 2;
+			continue;
+		}
+		if (hp->h_addr_list[1] != NULL) {
+			int oerrno = errno;
+
+			fprintf(stderr,
+#if NLS
+			    "%s %s: ", catgets(_libc_cat, NetMiscSet,
+			    NetMiscAllPortsInUse,
+			    "connect to address"),
+			    inet_ntoa(sin.sin_addr));
+
+#else
+
+			"connect to address %s: ", inet_ntoa(sin.sin_addr));
+#endif
+			errno = oerrno;
+			perror(0);
+			hp->h_addr_list++;
+			bcopy(hp->h_addr_list[0], (caddr_t)&sin.sin_addr,
+			    hp->h_length);
+
+#if NLS
+			fprintf(stderr, catgets(_libc_cat, NetMiscSet,
+			    NetMiscTrying,
+			    "Trying %s...\n"),
+#else
+			    fprintf(stderr,	"Trying %s...\n",
+#endif
+			    inet_ntoa(sin.sin_addr));
+			    continue;
+		}
+		perror(hp->h_name);
+#ifdef SIGURG
+#ifdef _POSIX_SOURCE
+		    sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL);
+#else
+		    sigsetmask(oldmask);
+#endif
+#endif
+		    return (-1);
+	}
+	lport--;
+	    if (fd2p == 0) {
+		write(s, "", 1);
+		    lport = 0;
+	} else {
+		char num[8];
+		    int s2 = rresvport(&lport), s3;
+		    int len = sizeof (from);
+
+		    if (s2 < 0)
+		    goto bad;
+		    listen(s2, 1);
+		    (void) snprintf(num, sizeof(num), "%d", lport);
+		    if (write(s, num, strlen(num)+1) != strlen(num)+1) {
+#if NLS
+			perror(catgets(_libc_cat, NetMiscSet,
+			    NetMiscSettingUpStderr,
+			    "write: setting up stderr"));
+#else
+			    perror("write: setting up stderr");
+#endif
+			    (void) close(s2);
+			    goto bad;
+		}
+		s3 = accept(s2, (struct sockaddr *)&from, &len);
+		    (void) close(s2);
+		    if (s3 < 0) {
+#if NLS
+			perror(catgets(_libc_cat, NetMiscSet,
+			    NetMiscAccept,
+			    "accept"));
+#else
+			    perror("accept");
+#endif
+			    lport = 0;
+			    goto bad;
+		}
+		*fd2p = s3;
+		    from.sin_port = ntohs((u_short)from.sin_port);
+		    if (from.sin_family != AF_INET ||
+		    from.sin_port >= IPPORT_RESERVED) {
+			fprintf(stderr,
+#if NLS
+			    "%s\n",
+			    catgets(_libc_cat, NetMiscSet,
+			    NetMiscProtocolFailure,
+			    "socket: protocol failure in circuit setup."));
+#else
+			    "socket: protocol failure in circuit setup.\n");
+#endif
+			goto bad2;
+		}
+	}
+	(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);
+		goto bad2;
+	}
+	if (c != 0) {
+		while (read(s, &c, 1) == 1) {
+			(void) write(2, &c, 1);
+			if (c == '\n')
+				break;
+		}
+		goto bad2;
+	}
+#ifdef SIGURG
+#ifdef _POSIX_SOURCE
+	sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL);
+#else
+	sigsetmask(oldmask);
+#endif
+#endif
+	return (s);
+bad2:
+	if (lport)
+		(void) close(*fd2p);
+bad:
+	(void) close(s);
+#ifdef SIGURG
+#ifdef _POSIX_SOURCE
+	sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL);
+#else
+	sigsetmask(oldmask);
+#endif
+#endif
+	return (-1);
+}
+
+extern int ruserok(const char *rhost, int superuser, const char *ruser, const char *luser)
+{
+	FILE *hostf;
+	char fhost[MAXHOSTNAMELEN];
+	int first = 1;
+	register const char *sp;
+	register char *p;
+	int baselen = -1;
+	uid_t saveuid;
+
+	saveuid = geteuid();
+	sp = rhost;
+	p = fhost;
+	while (*sp) {
+		if (*sp == '.') {
+			if (baselen == -1)
+				baselen = sp - rhost;
+			*p++ = *sp++;
+		} else {
+			*p++ = isupper(*sp) ? tolower(*sp++) : *sp++;
+		}
+	}
+	*p = '\0';
+	hostf = superuser ? (FILE *)0 : fopen(_PATH_HEQUIV, "r");
+again:
+	if (hostf) {
+		if (!_validuser(hostf, fhost, luser, ruser, baselen)) {
+			(void) fclose(hostf);
+			seteuid(saveuid);
+			return(0);
+		}
+		(void) fclose(hostf);
+	}
+	if (first == 1) {
+		struct stat sbuf;
+		struct passwd *pwd;
+		char pbuf[MAXPATHLEN];
+
+		first = 0;
+		if ((pwd = getpwnam(luser)) == NULL)
+			return(-1);
+		(void)strcpy(pbuf, pwd->pw_dir);
+		(void)strcat(pbuf, "/.rhosts");
+		(void)seteuid(pwd->pw_uid);
+		if ((hostf = fopen(pbuf, "r")) == NULL) {
+			seteuid(saveuid);
+			return(-1);
+		}
+		(void)fstat(fileno(hostf), &sbuf);
+		if (sbuf.st_uid && sbuf.st_uid != pwd->pw_uid) {
+			fclose(hostf);
+			seteuid(saveuid);
+			return(-1);
+		}
+		goto again;
+	}
+	seteuid(saveuid);
+	return (-1);
+}
+
+int
+_validuser(FILE *hostf, const char *rhost, const char *luser,
+const char *ruser, int baselen)
+{
+	char *user;
+	char ahost[MAXHOSTNAMELEN];
+	register char *p;
+	int hostvalid = 0;
+	int uservalid = 0;
+
+	while (fgets(ahost, sizeof (ahost), hostf)) {
+		/* We need to get rid of all comments. */
+		p = strchr (ahost, '#');
+		if (p) *p = '\0';
+		p = ahost;
+		while (*p != '\n' && *p != ' ' && *p != '\t' && *p != '\0') {
+			*p = isupper(*p) ? tolower(*p) : *p;
+			p++;
+		}
+		if (*p == ' ' || *p == '\t') {
+			*p++ = '\0';
+			while (*p == ' ' || *p == '\t')
+				p++;
+			user = p;
+			while (*p != '\n' && *p != ' ' && *p != '\t' && *p != '\0')
+				p++;
+		} else
+			user = p;
+		*p = '\0';
+	/* Adding new authentication -Nilendu */
+
+		/* enable all host for + entry */
+		if ('+' == ahost[0] && '\0' == ahost[1] )
+			hostvalid = 1;
+
+		/* enable all user for + entry */
+		if ('+' == user[0] && '\0' == user[1] )
+			uservalid = 1;
+
+		/* disable all host for - entry */
+		if ('-' == ahost[0] && '\0' == ahost[1] )
+			hostvalid = 0;
+
+		/* disable all user for - entry */
+		if ('-' == user[0] && '\0' == user[1] )
+			uservalid = 0;
+
+
+#ifdef YP
+		/* disable host from -hostname entry */
+		if ('-' == ahost[0] && '@' != ahost[1]
+		    && _checkhost(rhost, &ahost[1], baselen))
+			return -1;
+		/* disable host from -@netgroup entry for host */
+		if ('-' == ahost[0] && '@' == ahost[1] && '\0' != ahost[2]
+		    && _checknetgrouphost(rhost, &ahost[2], baselen))
+			return -1;
+		/* disable user from -user entry */
+		if ('\0' != *user && user[0] == '-' && user[1] != '@'
+		    && !strcmp(&user[1], ruser))
+			return -1;
+		/* disable user from -@netgroup entry for user */
+		if ('\0' != *user && user[0] == '-' && user[1] == '@'
+		    && user[2] != '\0' && _checknetgroupuser(ruser, &user[2]))
+			return -1;
+		/* enable host from +@netgroup entry for host */
+		if ('+' == ahost[0] && '@' == ahost[1] && '\0' != ahost[2])
+			hostvalid = _checknetgrouphost(rhost, &ahost[2], baselen);
+			else
+			hostvalid = _checkhost(rhost, ahost, baselen);
+		/* enable user from +@netgroup entry for user */
+		if ('\0' != *user && user[0] == '+'
+		    && user[1] == '@' && user[2] != '\0')
+			uservalid = _checknetgroupuser(ruser, &user[2]);
+			else
+			uservalid = !strcmp(ruser, *user ? user : luser);
+
+		if (hostvalid && uservalid)
+			return 0;
+#else
+		hostvalid = hostvalid ? 1 : _checkhost(rhost, ahost, baselen);
+	 	uservalid = uservalid ? 1 :	!stricmp(ruser,*user ? user : luser);
+		if (hostvalid && uservalid)
+			return 0;
+
+#endif /* YP */
+		hostvalid = uservalid = 0;
+	}
+	return (-1);
+}
+
+int
+_checkhost(const char *rhost, const char *lhost, int len)
+{
+	static char ldomain[MAXHOSTNAMELEN + 1];
+	static char *domainp = NULL;
+	static int nodomain = 0;
+	register char *cp;
+
+	if (len == -1)
+		return(!strcmp(rhost, lhost));
+	if (strncmp(rhost, lhost, len))
+		return(0);
+	if (!strcmp(rhost, lhost))
+		return(1);
+	if (*(lhost + len) != '\0')
+		return(0);
+	if (nodomain)
+		return(0);
+	if (!domainp) {
+		if (gethostname(ldomain, sizeof(ldomain)) == -1) {
+			nodomain = 1;
+			return(0);
+		}
+		ldomain[MAXHOSTNAMELEN] = (char) 0;
+		if ((domainp = index(ldomain, '.')) == (char *)NULL) {
+			nodomain = 1;
+			return(0);
+		}
+		for (cp = ++domainp; *cp; ++cp)
+			if (isupper(*cp))
+				*cp = tolower(*cp);
+	}
+	return(!strcmp(domainp, rhost + len +1));
+}
+
+#ifdef YP
+static int
+_checknetgrouphost(const char *rhost, const char *netgr, int baselen)
+{
+	char *host, *user, *domain;
+	int status;
+
+	if (NULL == nisdomain)
+		yp_get_default_domain(&nisdomain);
+
+	setnetgrent(netgr);
+	while (1)
+	{
+		while (1 == (status = getnetgrent(&host, &user, &domain))
+		    && NULL == host
+		    && NULL != domain
+		    && 0 != strcmp(domain, nisdomain))
+			;  /* find valid host entry */
+
+		if (0 == status || NULL == host)
+		{
+			endnetgrent();
+			return 0;
+		}
+
+		if(1 == _checkhost(rhost, host, baselen))
+		{
+			endnetgrent();
+			return 1;
+		}
+	}
+}
+
+static int
+_checknetgroupuser(const char *ruser, const char *netgr)
+{
+	char *host, *user, *domain;
+	int status;
+
+	if (NULL == nisdomain)
+		yp_get_default_domain(&nisdomain);
+
+	setnetgrent(netgr);
+	while (1)
+	{
+		while (1 == (status = getnetgrent(&host, &user, &domain))
+		    && NULL == user
+		    && NULL != domain
+		    && 0 != strcmp(domain, nisdomain))
+			;  /* find valid user entry */
+
+		if (0 == status || NULL == user)
+		{
+			endnetgrent();
+			return 0;
+		}
+
+		if(0 == strcmp(ruser, user))
+		{
+			endnetgrent();
+			return 1;
+		}
+	}
+}
+#endif /* YP */
+
+#endif