Initial revision

diff --git a/getcwd.c b/getcwd.c
new file mode 100644 (file)
index 0000000..c329f95
--- /dev/null
+++ b/getcwd.c
@@ -0,0 +1,126 @@
+/*
+ *  CU sudo version 1.3.1
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 1, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Please send bugs, changes, problems to sudo-bugs.cs.colorado.edu
+ *
+ *******************************************************************
+ *
+ *  This module contains getcwd(3) for those systems that lack it.
+ *  getcwd(3) returns a pointer to the current working dir.  It uses
+ *  path as a copy-out parameter and malloc(3)s space if path is NULL.
+ *
+ *  Todd C. Miller (millert@colorado.edu) Fri Jun  3 18:32:19 MDT 1994
+ */
+
+#ifndef lint
+static char rcsid[] = "$Id$";
+#endif /* lint */
+
+#include "config.h"
+#include "pathnames.h"
+
+#include <stdio.h>
+#ifdef STDC_HEADERS
+#include <stdlib.h>
+#endif /* STDC_HEADERS */
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif /* HAVE_MALLOC_H */
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+
+#ifndef STDC_HEADERS
+extern char *strcpy();
+extern int readlink();
+extern int lstat();
+#endif /* !STDC_HEADERS */
+
+
+#ifndef _PATH_PWD
+#define _PATH_PWD      "pwd"
+#endif /* _PATH_PWD */
+
+
+/******************************************************************
+ *
+ *  getcwd()
+ *
+ *  getcwd() returns a pointer to the current working dir.  It uses
+ *  path as a copy-out parameter and malloc(3)s space if path is NULL.
+ *  getcwd() will use getwd() if available, else it will use pwd(1).
+ */
+
+char * getcwd(path, len)
+    char * path;                               /* path to copy into */
+    size_t len;                                        /* length of path */
+{
+    char buf[MAXPATHLEN+1];                    /* temp buffer */
+#ifndef HAVE_GETWD
+    FILE * pwd;                                        /* for popen */
+#endif /* HAVE_GETWD */
+
+    if (path && len <= 0) {
+       errno = EINVAL;
+       return(NULL);
+    }
+
+#ifdef HAVE_GETWD
+    if (!getwd(buf))
+       return(NULL);
+#else
+    /*
+     * open a pipe to pwd and read a line
+     */
+    if (!(pwd = popen(_PATH_PWD, "r")))
+       return(NULL);
+
+    if (!fgets(buf, sizeof(buf), pwd)) {
+       errno = EACCES;                         /* what an assumption... */
+       pclose(pwd); 
+       return(NULL);
+    }
+    pclose(pwd); 
+
+    buf[strlen(buf)-1] = '\0';                 /* remove newline */
+#endif /* HAVE_GETWD */
+
+    if (len < strlen(buf) + 1) {
+       errno = ERANGE;
+       return(NULL);
+    }
+
+    if (path == NULL) {
+       if (!(path = (char *) malloc(MAXPATHLEN))) {
+           errno = ENOMEM;
+           return(NULL);
+       }
+    }
+
+    (void) strcpy(path, buf);
+    return(path);
+}

diff --git a/getwd.c b/getwd.c
new file mode 100644 (file)
index 0000000..c329f95
--- /dev/null
+++ b/getwd.c
@@ -0,0 +1,126 @@
+/*
+ *  CU sudo version 1.3.1
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 1, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Please send bugs, changes, problems to sudo-bugs.cs.colorado.edu
+ *
+ *******************************************************************
+ *
+ *  This module contains getcwd(3) for those systems that lack it.
+ *  getcwd(3) returns a pointer to the current working dir.  It uses
+ *  path as a copy-out parameter and malloc(3)s space if path is NULL.
+ *
+ *  Todd C. Miller (millert@colorado.edu) Fri Jun  3 18:32:19 MDT 1994
+ */
+
+#ifndef lint
+static char rcsid[] = "$Id$";
+#endif /* lint */
+
+#include "config.h"
+#include "pathnames.h"
+
+#include <stdio.h>
+#ifdef STDC_HEADERS
+#include <stdlib.h>
+#endif /* STDC_HEADERS */
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif /* HAVE_MALLOC_H */
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+
+#ifndef STDC_HEADERS
+extern char *strcpy();
+extern int readlink();
+extern int lstat();
+#endif /* !STDC_HEADERS */
+
+
+#ifndef _PATH_PWD
+#define _PATH_PWD      "pwd"
+#endif /* _PATH_PWD */
+
+
+/******************************************************************
+ *
+ *  getcwd()
+ *
+ *  getcwd() returns a pointer to the current working dir.  It uses
+ *  path as a copy-out parameter and malloc(3)s space if path is NULL.
+ *  getcwd() will use getwd() if available, else it will use pwd(1).
+ */
+
+char * getcwd(path, len)
+    char * path;                               /* path to copy into */
+    size_t len;                                        /* length of path */
+{
+    char buf[MAXPATHLEN+1];                    /* temp buffer */
+#ifndef HAVE_GETWD
+    FILE * pwd;                                        /* for popen */
+#endif /* HAVE_GETWD */
+
+    if (path && len <= 0) {
+       errno = EINVAL;
+       return(NULL);
+    }
+
+#ifdef HAVE_GETWD
+    if (!getwd(buf))
+       return(NULL);
+#else
+    /*
+     * open a pipe to pwd and read a line
+     */
+    if (!(pwd = popen(_PATH_PWD, "r")))
+       return(NULL);
+
+    if (!fgets(buf, sizeof(buf), pwd)) {
+       errno = EACCES;                         /* what an assumption... */
+       pclose(pwd); 
+       return(NULL);
+    }
+    pclose(pwd); 
+
+    buf[strlen(buf)-1] = '\0';                 /* remove newline */
+#endif /* HAVE_GETWD */
+
+    if (len < strlen(buf) + 1) {
+       errno = ERANGE;
+       return(NULL);
+    }
+
+    if (path == NULL) {
+       if (!(path = (char *) malloc(MAXPATHLEN))) {
+           errno = ENOMEM;
+           return(NULL);
+       }
+    }
+
+    (void) strcpy(path, buf);
+    return(path);
+}