Fix for broken handling off BusyBox's own pwd/grp implementations

[Parts of this patch may overlap with my other two patches]

3 files changed, 88 insertions, 4 deletions

diff --git a/include/grp.h b/include/grp.h
index 191c2d4e5..12fecd02e 100644
--- a/include/grp.h
+++ b/include/grp.h
@@ -1,14 +1,16 @@
 #ifndef	__CONFIG_GRP_H
 #define	__CONFIG_GRP_H
 
-#if defined USE_SYSTEM_PWD_GRP
-#include <grp.h>
+#if !defined CONFIG_USE_BB_PWD_GRP
+#include_next <grp.h>
+
 #else
 
 #include <sys/types.h>
 #include <features.h>
 #include <stdio.h>
 
+
 /* The group structure */
 struct group
 {
diff --git a/include/pwd.h b/include/pwd.h
index 2fd0ab06e..178e9e97a 100644
--- a/include/pwd.h
+++ b/include/pwd.h
@@ -1,8 +1,9 @@
 #ifndef	__CONFIG_PWD_H
 #define	__CONFIG_PWD_H
 
-#if defined USE_SYSTEM_PWD_GRP
-#include <pwd.h>
+#if !defined CONFIG_USE_BB_PWD_GRP
+#include_next <pwd.h>
+
 #else
 
 #include <sys/types.h>
diff --git a/include/shadow.h b/include/shadow.h
new file mode 100644
index 000000000..44e4b5878
--- /dev/null
+++ b/include/shadow.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright 1988 - 1994, Julianne Frances Haugh <jockgrrl@austin.rr.com>
+ * 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 Julianne F. Haugh 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 JULIE HAUGH 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 JULIE HAUGH 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.
+ */
+
+#ifndef	__CONFIG_SHADOW_H
+#define	__CONFIG_SHADOW_H
+
+#if !defined CONFIG_USE_BB_SHADOW
+#include_next <shadow.h>
+
+#else
+
+/*
+ * This information is not derived from AT&T licensed sources.  Posted
+ * to the USENET 11/88, and updated 11/90 with information from SVR4.
+ *
+ *	$Id: shadow.h,v 1.1 2002/06/04 20:10:10 sandman Exp $
+ */
+
+typedef long sptime;
+
+/*
+ * Shadow password security file structure.
+ */
+
+struct spwd {
+	char *sp_namp;				/* login name */
+	char *sp_pwdp;				/* encrypted password */
+	sptime sp_lstchg;			/* date of last change */
+	sptime sp_min;				/* minimum number of days between changes */
+	sptime sp_max;				/* maximum number of days between changes */
+	sptime sp_warn;				/* number of days of warning before password
+								   expires */
+	sptime sp_inact;			/* number of days after password expires
+								   until the account becomes unusable. */
+	sptime sp_expire;			/* days since 1/1/70 until account expires */
+	unsigned long sp_flag;		/* reserved for future use */
+};
+
+/*
+ * Shadow password security file functions.
+ */
+
+#include <stdio.h>				/* for FILE */
+
+struct spwd *getspent(void);
+struct spwd *sgetspent(const char *);
+struct spwd *fgetspent(FILE *);
+void setspent(void);
+void endspent(void);
+int putspent(const struct spwd *, FILE *);
+struct spwd *getspnam(const char *name);
+
+#endif							/* CONFIG_USE_BB_SHADOW */
+
+#endif							/* __CONFIG_SHADOW_H */