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-rw-r--r--libc/inet/rpc/rcmd.c270
1 files changed, 165 insertions, 105 deletions
diff --git a/libc/inet/rpc/rcmd.c b/libc/inet/rpc/rcmd.c
index c7a5be0db..b4fe8cfe7 100644
--- a/libc/inet/rpc/rcmd.c
+++ b/libc/inet/rpc/rcmd.c
@@ -1,4 +1,32 @@
/*
+ * Copyright (C) 1998 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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.
+ */
+/*
* Copyright (c) 1983, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
@@ -10,10 +38,6 @@
* 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.
@@ -35,53 +59,89 @@
static char sccsid[] = "@(#)rcmd.c 8.3 (Berkeley) 3/26/94";
#endif /* LIBC_SCCS and not lint */
-#define bcopy __bcopy
-#define sysconf __sysconf
-#define getline __getline
-#define geteuid __geteuid
-#define seteuid __seteuid
-#define getpwnam_r __getpwnam_r
-#define gethostbyname __gethostbyname
-#define gethostbyname_r __gethostbyname_r
-#define fileno __fileno
-#define sleep __sleep
-#define inet_addr __inet_addr
-#define inet_ntoa __inet_ntoa
-#define herror __herror
-#define bind __bind
-#define connect __connect
-#define sigblock __sigblock
-#define snprintf __snprintf
-#define poll __poll
-#define accept __accept
-#define listen __listen
-#define sigsetmask __sigsetmask
-
-#define __FORCE_GLIBC
+#define __UCLIBC_HIDE_DEPRECATED__
#include <features.h>
-
-#define __USE_GNU
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <alloca.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <pwd.h>
#include <sys/param.h>
#include <sys/poll.h>
#include <sys/socket.h>
#include <sys/stat.h>
-#include <netdb.h>
+
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <alloca.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <ctype.h>
+#include <string.h>
+#include <libintl.h>
+#include <stdlib.h>
+#ifdef __UCLIBC_HAS_WCHAR__
+#include <wchar.h>
+#endif
+#include <sys/uio.h>
+
+libc_hidden_proto(memcmp)
+libc_hidden_proto(strcat)
+libc_hidden_proto(strchr)
+libc_hidden_proto(strcmp)
+libc_hidden_proto(strcpy)
+libc_hidden_proto(strlen)
+libc_hidden_proto(strncmp)
+libc_hidden_proto(strnlen)
+libc_hidden_proto(memmove)
+libc_hidden_proto(getpid)
+libc_hidden_proto(socket)
+libc_hidden_proto(close)
+libc_hidden_proto(fcntl)
+libc_hidden_proto(read)
+libc_hidden_proto(write)
+libc_hidden_proto(perror)
+libc_hidden_proto(lstat)
+libc_hidden_proto(fstat)
+libc_hidden_proto(tolower)
+libc_hidden_proto(sysconf)
+libc_hidden_proto(getline)
+libc_hidden_proto(geteuid)
+libc_hidden_proto(seteuid)
+libc_hidden_proto(getpwnam_r)
+libc_hidden_proto(gethostbyname)
+libc_hidden_proto(gethostbyname_r)
+libc_hidden_proto(fileno)
+libc_hidden_proto(sleep)
+libc_hidden_proto(inet_addr)
+libc_hidden_proto(inet_ntoa)
+libc_hidden_proto(herror)
+libc_hidden_proto(bind)
+libc_hidden_proto(connect)
+libc_hidden_proto(sigblock)
+libc_hidden_proto(snprintf)
+libc_hidden_proto(poll)
+libc_hidden_proto(accept)
+libc_hidden_proto(listen)
+libc_hidden_proto(sigsetmask)
+libc_hidden_proto(getc_unlocked)
+libc_hidden_proto(__fgetc_unlocked)
+libc_hidden_proto(fopen)
+libc_hidden_proto(fclose)
+libc_hidden_proto(fprintf)
+libc_hidden_proto(__h_errno_location)
+libc_hidden_proto(stderr)
+#ifdef __UCLIBC_HAS_XLOCALE__
+libc_hidden_proto(__ctype_b_loc)
+libc_hidden_proto(__ctype_tolower_loc)
+#else
+libc_hidden_proto(__ctype_b)
+libc_hidden_proto(__ctype_tolower)
+#endif
-extern int __rresvport(int *alport) attribute_hidden;
-extern int __getc_unlocked (FILE *__stream) attribute_hidden;
+libc_hidden_proto(rresvport)
/* some forward declarations */
static int __ivaliduser2(FILE *hostf, u_int32_t raddr,
@@ -110,11 +170,11 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
int s, lport, timo;
char c;
- pid = __getpid();
+ pid = getpid();
#ifdef __UCLIBC_HAS_REENTRANT_RPC__
hstbuflen = 1024;
-#ifdef __ARCH_HAS_MMU__
+#ifdef __ARCH_USE_MMU__
tmphstbuf = alloca (hstbuflen);
#else
tmphstbuf = malloc (hstbuflen);
@@ -126,7 +186,7 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
if (herr != NETDB_INTERNAL || errno != ERANGE)
{
__set_h_errno (herr);
-#ifndef __ARCH_HAS_MMU__
+#ifndef __ARCH_USE_MMU__
free(tmphstbuf);
#endif
herror(*ahost);
@@ -136,7 +196,7 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
{
/* Enlarge the buffer. */
hstbuflen *= 2;
-#ifdef __ARCH_HAS_MMU__
+#ifdef __ARCH_USE_MMU__
tmphstbuf = alloca (hstbuflen);
#else
if (tmphstbuf) {
@@ -146,7 +206,7 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
#endif
}
}
-#ifndef __ARCH_HAS_MMU__
+#ifndef __ARCH_USE_MMU__
free(tmphstbuf);
#endif
#else /* call the non-reentrant version */
@@ -160,7 +220,7 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
*ahost = hp->h_name;
oldmask = sigblock(sigmask(SIGURG)); /* __sigblock */
for (timo = 1, lport = IPPORT_RESERVED - 1;;) {
- s = __rresvport(&lport);
+ s = rresvport(&lport);
if (s < 0) {
if (errno == EAGAIN)
(void)fprintf(stderr,
@@ -170,14 +230,14 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
sigsetmask(oldmask); /* sigsetmask */
return -1;
}
- __fcntl(s, F_SETOWN, pid); /* __fcntl */
+ fcntl(s, F_SETOWN, pid);
sin.sin_family = hp->h_addrtype;
- bcopy(hp->h_addr_list[0], &sin.sin_addr,
+ memmove(&sin.sin_addr, hp->h_addr_list[0],
MIN (sizeof (sin.sin_addr), hp->h_length));
sin.sin_port = rport;
if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) >= 0) /* __connect */
break;
- (void)__close(s);
+ (void)close(s);
if (errno == EADDRINUSE) {
lport--;
continue;
@@ -193,9 +253,9 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
(void)fprintf(stderr, "connect to address %s: ",
inet_ntoa(sin.sin_addr));
__set_errno (oerrno);
- __perror(0);
+ perror(0);
hp->h_addr_list++;
- bcopy(hp->h_addr_list[0], &sin.sin_addr,
+ memmove(&sin.sin_addr, hp->h_addr_list[0],
MIN (sizeof (sin.sin_addr), hp->h_length));
(void)fprintf(stderr, "Trying %s...\n",
inet_ntoa(sin.sin_addr));
@@ -207,21 +267,21 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
}
lport--;
if (fd2p == 0) {
- __write(s, "", 1);
+ write(s, "", 1);
lport = 0;
} else {
char num[8];
- int s2 = __rresvport(&lport), s3;
+ int s2 = rresvport(&lport), s3;
socklen_t len = sizeof(from);
if (s2 < 0)
goto bad;
listen(s2, 1);
(void)snprintf(num, sizeof(num), "%d", lport); /* __snprintf */
- if (__write(s, num, __strlen(num)+1) != __strlen(num)+1) {
+ if (write(s, num, strlen(num)+1) != strlen(num)+1) {
(void)fprintf(stderr,
"rcmd: write (setting up stderr): %m\n");
- (void)__close(s2);
+ (void)close(s2);
goto bad;
}
pfd[0].fd = s;
@@ -232,11 +292,11 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
(void)fprintf(stderr, "rcmd: poll (setting up stderr): %m\n");
else
(void)fprintf(stderr, "poll: protocol failure in circuit setup\n");
- (void)__close(s2);
+ (void)close(s2);
goto bad;
}
s3 = accept(s2, (struct sockaddr *)&from, &len);
- (void)__close(s2);
+ (void)close(s2);
if (s3 < 0) {
(void)fprintf(stderr,
"rcmd: accept: %m\n");
@@ -253,17 +313,17 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
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) {
+ (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) {
(void)fprintf(stderr,
"rcmd: %s: %m\n", *ahost);
goto bad2;
}
if (c != 0) {
- while (__read(s, &c, 1) == 1) {
- (void)__write(STDERR_FILENO, &c, 1);
+ while (read(s, &c, 1) == 1) {
+ (void)write(STDERR_FILENO, &c, 1);
if (c == '\n')
break;
}
@@ -273,21 +333,21 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
return s;
bad2:
if (lport)
- (void)__close(*fd2p);
+ (void)close(*fd2p);
bad:
- (void)__close(s);
+ (void)close(s);
sigsetmask(oldmask);
return -1;
}
-int attribute_hidden __rresvport(int *alport)
+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);
+ s = socket(AF_INET, SOCK_STREAM, 0);
if (s < 0)
return -1;
for (;;) {
@@ -295,12 +355,12 @@ int attribute_hidden __rresvport(int *alport)
if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) >= 0)
return s;
if (errno != EADDRINUSE) {
- (void)__close(s);
+ (void)close(s);
return -1;
}
(*alport)--;
if (*alport == IPPORT_RESERVED/2) {
- (void)__close(s);
+ (void)close(s);
__set_errno (EAGAIN); /* close */
return -1;
}
@@ -308,10 +368,9 @@ int attribute_hidden __rresvport(int *alport)
return -1;
}
-strong_alias(__rresvport,rresvport)
+libc_hidden_def(rresvport)
-int __check_rhosts_file = 1;
-char *__rcmd_errstr;
+static int __check_rhosts_file = 1;
int ruserok(rhost, superuser, ruser, luser)
const char *rhost, *ruser, *luser;
@@ -329,7 +388,7 @@ int ruserok(rhost, superuser, ruser, luser)
#ifdef __UCLIBC_HAS_REENTRANT_RPC__
buflen = 1024;
-#ifdef __ARCH_HAS_MMU__
+#ifdef __ARCH_USE_MMU__
buffer = alloca (buflen);
#else
buffer = malloc (buflen);
@@ -339,7 +398,7 @@ int ruserok(rhost, superuser, ruser, luser)
buflen, &hp, &herr) != 0 || hp == NULL)
{
if (herr != NETDB_INTERNAL || errno != ERANGE) {
-#ifndef __ARCH_HAS_MMU__
+#ifndef __ARCH_USE_MMU__
free(buffer);
#endif
return -1;
@@ -347,7 +406,7 @@ int ruserok(rhost, superuser, ruser, luser)
{
/* Enlarge the buffer. */
buflen *= 2;
-#ifdef __ARCH_HAS_MMU__
+#ifdef __ARCH_USE_MMU__
buffer = alloca (buflen);
#else
if (buffer) {
@@ -357,7 +416,7 @@ int ruserok(rhost, superuser, ruser, luser)
#endif
}
}
-#ifndef __ARCH_HAS_MMU__
+#ifndef __ARCH_USE_MMU__
free(buffer);
#endif
#else
@@ -366,7 +425,7 @@ int ruserok(rhost, superuser, ruser, luser)
}
#endif
for (ap = hp->h_addr_list; *ap; ++ap) {
- bcopy(*ap, &addr, sizeof(addr));
+ memmove(&addr, *ap, sizeof(addr));
if (iruserok2(addr, superuser, ruser, luser, rhost) == 0)
return 0;
}
@@ -376,7 +435,7 @@ int ruserok(rhost, superuser, ruser, luser)
/* Extremely paranoid file open function. */
static FILE *
-iruserfopen (char *file, uid_t okuser)
+iruserfopen (const char *file, uid_t okuser)
{
struct stat st;
char *cp = NULL;
@@ -385,8 +444,7 @@ iruserfopen (char *file, uid_t okuser)
/* If not a regular file, if owned by someone other than user or
root, if writeable by anyone but the owner, or if hardlinked
anywhere, quit. */
- cp = NULL;
- if (__lstat (file, &st))
+ if (lstat (file, &st))
cp = "lstat failed";
else if (!S_ISREG (st.st_mode))
cp = "not regular file";
@@ -395,7 +453,7 @@ iruserfopen (char *file, uid_t okuser)
res = fopen (file, "r");
if (!res)
cp = "cannot open";
- else if (__fstat (fileno (res), &st) < 0)
+ else if (fstat (fileno (res), &st) < 0)
cp = "fstat failed";
else if (st.st_uid && st.st_uid != okuser)
cp = "bad owner";
@@ -408,7 +466,6 @@ iruserfopen (char *file, uid_t okuser)
/* If there were any problems, quit. */
if (cp != NULL)
{
- __rcmd_errstr = cp;
if (res)
fclose (res);
return NULL;
@@ -456,7 +513,7 @@ iruserok2 (raddr, superuser, ruser, luser, rhost)
#ifdef __UCLIBC_HAS_REENTRANT_RPC__
size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX);
struct passwd pwdbuf;
-#ifdef __ARCH_HAS_MMU__
+#ifdef __ARCH_USE_MMU__
char *buffer = alloca (buflen);
#else
char *buffer = malloc (buflen);
@@ -465,12 +522,12 @@ iruserok2 (raddr, superuser, ruser, luser, rhost)
if (getpwnam_r (luser, &pwdbuf, buffer,
buflen, &pwd) != 0 || pwd == NULL)
{
-#ifndef __ARCH_HAS_MMU__
+#ifndef __ARCH_USE_MMU__
free(buffer);
#endif
return -1;
}
-#ifndef __ARCH_HAS_MMU__
+#ifndef __ARCH_USE_MMU__
free(buffer);
#endif
#else
@@ -478,10 +535,10 @@ iruserok2 (raddr, superuser, ruser, luser, rhost)
return -1;
#endif
- dirlen = __strlen (pwd->pw_dir);
+ dirlen = strlen (pwd->pw_dir);
pbuf = malloc (dirlen + sizeof "/.rhosts");
- __strcpy (pbuf, pwd->pw_dir);
- __strcat (pbuf, "/.rhosts");
+ strcpy (pbuf, pwd->pw_dir);
+ strcat (pbuf, "/.rhosts");
/* Change effective uid while reading .rhosts. If root and
reading an NFS mounted file system, can't read files that
@@ -503,6 +560,7 @@ iruserok2 (raddr, superuser, ruser, luser, rhost)
}
/* This is the exported version. */
+int iruserok (u_int32_t raddr, int superuser, const char * ruser, const char * luser);
int iruserok (u_int32_t raddr, int superuser, const char * ruser, const char * luser)
{
return iruserok2 (raddr, superuser, ruser, luser, "-");
@@ -521,6 +579,8 @@ int iruserok (u_int32_t raddr, int superuser, const char * ruser, const char * l
* Returns 0 if ok, -1 if not ok.
*/
int
+__ivaliduser(FILE *hostf, u_int32_t raddr, const char *luser, const char *ruser);
+int
__ivaliduser(FILE *hostf, u_int32_t raddr, const char *luser, const char *ruser)
{
return __ivaliduser2(hostf, raddr, luser, ruser, "-");
@@ -546,18 +606,18 @@ __icheckhost (u_int32_t raddr, char *lhost, const char *rhost)
#ifdef HAVE_NETGROUP
/* Check nis netgroup. */
- if (__strncmp ("+@", lhost, 2) == 0)
+ if (strncmp ("+@", lhost, 2) == 0)
return innetgr (&lhost[2], rhost, NULL, NULL);
- if (__strncmp ("-@", lhost, 2) == 0)
+ if (strncmp ("-@", lhost, 2) == 0)
return -innetgr (&lhost[2], rhost, NULL, NULL);
#endif /* HAVE_NETGROUP */
/* -host */
- if (__strncmp ("-", lhost,1) == 0) {
+ if (strncmp ("-", lhost,1) == 0) {
negate = -1;
lhost++;
- } else if (__strcmp ("+",lhost) == 0) {
+ } else if (strcmp ("+",lhost) == 0) {
return 1; /* asking for trouble, but ok.. */
}
@@ -587,7 +647,7 @@ __icheckhost (u_int32_t raddr, char *lhost, const char *rhost)
/* Spin through ip addresses. */
for (pp = hp->h_addr_list; *pp; ++pp)
- if (!__memcmp (&raddr, *pp, sizeof (u_int32_t)))
+ if (!memcmp (&raddr, *pp, sizeof (u_int32_t)))
return negate;
/* No match. */
@@ -606,23 +666,23 @@ __icheckuser (const char *luser, const char *ruser)
#ifdef HAVE_NETGROUP
/* [-+]@netgroup */
- if (__strncmp ("+@", luser, 2) == 0)
+ if (strncmp ("+@", luser, 2) == 0)
return innetgr (&luser[2], NULL, ruser, NULL);
- if (__strncmp ("-@", luser,2) == 0)
+ if (strncmp ("-@", luser,2) == 0)
return -innetgr (&luser[2], NULL, ruser, NULL);
#endif /* HAVE_NETGROUP */
/* -user */
- if (__strncmp ("-", luser, 1) == 0)
- return -(__strcmp (&luser[1], ruser) == 0);
+ if (strncmp ("-", luser, 1) == 0)
+ return -(strcmp (&luser[1], ruser) == 0);
/* + */
- if (__strcmp ("+", luser) == 0)
+ if (strcmp ("+", luser) == 0)
return 1;
/* simple string match */
- return __strcmp (ruser, luser) == 0;
+ return strcmp (ruser, luser) == 0;
}
/*
@@ -664,16 +724,16 @@ __ivaliduser2(hostf, raddr, luser, ruser, rhost)
}
/* Skip lines that are too long. */
- if (__strchr (p, '\n') == NULL) {
- int ch = __getc_unlocked (hostf);
+ if (strchr (p, '\n') == NULL) {
+ int ch = getc_unlocked (hostf);
while (ch != '\n' && ch != EOF)
- ch = __getc_unlocked (hostf);
+ ch = getc_unlocked (hostf);
continue;
}
for (;*p && !isspace(*p); ++p) {
- *p = __tolower (*p);
+ *p = tolower (*p);
}
/* Next we want to find the permitted name for the remote user. */
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-06 00:09:55 +0000