-#ifndef __CONFIG_GRP_H
-#define __CONFIG_GRP_H
+/* Copyright (C) 1991,92,95,96,97,98,99,2000,01 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/*
+ * POSIX Standard: 9.2.1 Group Database Access <grp.h>
+ */
+
#if !defined CONFIG_USE_BB_PWD_GRP
#include <grp.h>
#else
+#ifndef _GRP_H
+#define _GRP_H 1
+
+
#include <sys/types.h>
#include <features.h>
#include <stdio.h>
-/* The group structure */
+/* The group structure. */
struct group
{
- char *gr_name; /* Group name. */
- char *gr_passwd; /* Password. */
- gid_t gr_gid; /* Group ID. */
- char **gr_mem; /* Member list. */
+ char *gr_name; /* Group name. */
+ char *gr_passwd; /* Password. */
+ gid_t gr_gid; /* Group ID. */
+ char **gr_mem; /* Member list. */
};
-extern void setgrent __P ((void));
-extern void endgrent __P ((void));
-extern struct group * getgrent __P ((void));
-extern struct group * getgrgid __P ((__const gid_t gid));
-extern struct group * getgrnam __P ((__const char * name));
+/* Rewind the group-file stream. */
+extern void setgrent (void);
+
+/* Close the group-file stream. */
+extern void endgrent (void);
+
+/* Read an entry from the group-file stream, opening it if necessary. */
+extern struct group *getgrent (void);
+
+/* Read a group entry from STREAM. */
+extern struct group *fgetgrent (FILE *__stream);
+
+/* Write the given entry onto the given stream. */
+extern int putgrent (__const struct group *__restrict __p,
+ FILE *__restrict __f);
+
+/* Search for an entry with a matching group ID. */
+extern struct group *getgrgid (gid_t __gid);
+
+/* Search for an entry with a matching group name. */
+extern struct group *getgrnam (__const char *__name);
+
+/* Reentrant versions of some of the functions above.
+
+ PLEASE NOTE: the `getgrent_r' function is not (yet) standardized.
+ The interface may change in later versions of this library. But
+ the interface is designed following the principals used for the
+ other reentrant functions so the chances are good this is what the
+ POSIX people would choose. */
+
+extern int getgrent_r (struct group *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct group **__restrict __result);
+
+/* Search for an entry with a matching group ID. */
+extern int getgrgid_r (gid_t __gid, struct group *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct group **__restrict __result);
+
+/* Search for an entry with a matching group name. */
+extern int getgrnam_r (__const char *__restrict __name,
+ struct group *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct group **__restrict __result);
+
+/* Read a group entry from STREAM. This function is not standardized
+ an probably never will. */
+extern int fgetgrent_r (FILE *__restrict __stream,
+ struct group *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct group **__restrict __result);
-extern struct group * fgetgrent __P ((FILE * file));
+/* Set the group set for the current user to GROUPS (N of them). */
+extern int setgroups (size_t __n, __const gid_t *__groups);
-extern int setgroups __P ((size_t n, __const gid_t * groups));
-extern int initgroups __P ((__const char * user, gid_t gid));
+/* Store at most *NGROUPS members of the group set for USER into
+ *GROUPS. Also include GROUP. The actual number of groups found is
+ returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */
+extern int getgrouplist (__const char *__user, gid_t __group,
+ gid_t *__groups, int *__ngroups);
-extern struct group * bb_getgrent __P ((int grp_fd));
+/* Initialize the group set for the current user
+ by reading the group database and using all groups
+ of which USER is a member. Also include GROUP. */
+extern int initgroups (__const char *__user, gid_t __group);
-#endif /* USE_SYSTEM_PWD_GRP */
-#endif /* __CONFIG_GRP_H */
+#endif /* grp.h */
+#endif
-#ifndef __CONFIG_PWD_H
-#define __CONFIG_PWD_H
+/* Copyright (C) 1991,92,95,96,97,98,99,2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/*
+ * POSIX Standard: 9.2.2 User Database Access <pwd.h>
+ */
#if !defined CONFIG_USE_BB_PWD_GRP
#include <pwd.h>
#else
+#ifndef _PWD_H
+#define _PWD_H 1
+
#include <sys/types.h>
#include <features.h>
#include <stdio.h>
/* The passwd structure. */
struct passwd
{
- char *pw_name; /* Username. */
- char *pw_passwd; /* Password. */
- uid_t pw_uid; /* User ID. */
- gid_t pw_gid; /* Group ID. */
- char *pw_gecos; /* Real name. */
- char *pw_dir; /* Home directory. */
- char *pw_shell; /* Shell program. */
+ char *pw_name; /* Username. */
+ char *pw_passwd; /* Password. */
+ uid_t pw_uid; /* User ID. */
+ gid_t pw_gid; /* Group ID. */
+ char *pw_gecos; /* Real name. */
+ char *pw_dir; /* Home directory. */
+ char *pw_shell; /* Shell program. */
};
-extern void setpwent __P ((void));
-extern void endpwent __P ((void));
-extern struct passwd * getpwent __P ((void));
-extern int putpwent __P ((__const struct passwd * __p, FILE * __f));
-extern int getpw __P ((uid_t uid, char *buf));
+/* Rewind the password-file stream. */
+extern void setpwent (void);
+
+/* Close the password-file stream. */
+extern void endpwent (void);
+
+/* Read an entry from the password-file stream, opening it if necessary. */
+extern struct passwd *getpwent (void);
+
+/* Read an entry from STREAM. */
+extern struct passwd *fgetpwent (FILE *__stream);
+
+/* Write the given entry onto the given stream. */
+extern int putpwent (__const struct passwd *__restrict __p,
+ FILE *__restrict __f);
+
+/* Search for an entry with a matching user ID. */
+extern struct passwd *getpwuid (uid_t __uid);
+
+/* Search for an entry with a matching username. */
+extern struct passwd *getpwnam (__const char *__name);
+
+/* Reentrant versions of some of the functions above.
+
+ PLEASE NOTE: the `getpwent_r' function is not (yet) standardized.
+ The interface may change in later versions of this library. But
+ the interface is designed following the principals used for the
+ other reentrant functions so the chances are good this is what the
+ POSIX people would choose. */
+
+extern int getpwent_r (struct passwd *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct passwd **__restrict __result);
+
+extern int getpwuid_r (uid_t __uid,
+ struct passwd *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct passwd **__restrict __result);
-extern struct passwd * fgetpwent __P ((FILE * file));
+extern int getpwnam_r (__const char *__restrict __name,
+ struct passwd *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct passwd **__restrict __result);
-extern struct passwd * getpwuid __P ((__const uid_t));
-extern struct passwd * getpwnam __P ((__const char *));
-extern struct passwd * __getpwent __P ((__const int passwd_fd));
+/* Read an entry from STREAM. This function is not standardized and
+ probably never will. */
+extern int fgetpwent_r (FILE *__restrict __stream,
+ struct passwd *__restrict __resultbuf,
+ char *__restrict __buffer, size_t __buflen,
+ struct passwd **__restrict __result);
-#endif /* USE_SYSTEM_PWD_GRP */
-#endif /* __CONFIG_PWD_H */
+/* Re-construct the password-file line for the given uid
+ in the given buffer. This knows the format that the caller
+ will expect, but this need not be the format of the password file. */
+extern int getpw (uid_t __uid, char *__buffer);
+#endif /* pwd.h */
+#endif
-/*
- * 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 _H_SHADOW
-#define _H_SHADOW
-
-
-#ifdef USE_SYSTEM_SHADOW
+/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* Declaration of types and functions for shadow password suite. */
+
+#if !defined CONFIG_USE_BB_SHADOW
#include <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 2002/06/23 04:24:20 andersen 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 */
+#ifndef _SHADOW_H
+#define _SHADOW_H 1
+
+#include <stdio.h>
+
+/* Paths to the user database files. */
+#ifndef _PATH_SHADOW
+#define _PATH_SHADOW "/etc/shadow"
+#endif
+#define SHADOW _PATH_SHADOW
+
+
+/* Structure of the password file. */
+struct spwd
+{
+ char *sp_namp; /* Login name. */
+ char *sp_pwdp; /* Encrypted password. */
+ long int sp_lstchg; /* Date of last change. */
+ long int sp_min; /* Minimum number of days between changes. */
+ long int sp_max; /* Maximum number of days between changes. */
+ long int sp_warn; /* Number of days to warn user to change
+ the password. */
+ long int sp_inact; /* Number of days the account may be
+ inactive. */
+ long int sp_expire; /* Number of days since 1970-01-01 until
+ account expires. */
+ unsigned long int sp_flag; /* Reserved. */
};
-/*
- * Shadow password security file functions.
- */
-#include <stdio.h> /* for FILE */
+/* Open database for reading. */
+extern void setspent (void);
+
+/* Close database. */
+extern void endspent (void);
+
+/* Get next entry from database, perhaps after opening the file. */
+extern struct spwd *getspent (void);
+
+/* Get shadow entry matching NAME. */
+extern struct spwd *getspnam (__const char *__name);
+
+/* Read shadow entry from STRING. */
+extern struct spwd *sgetspent (__const char *__string);
+
+/* Read next shadow entry from STREAM. */
+extern struct spwd *fgetspent (FILE *__stream);
+
+/* Write line containing shadow password entry to stream. */
+extern int putspent (__const struct spwd *__p, FILE *__stream);
+
+/* Reentrant versions of some of the functions above. */
+extern int getspent_r (struct spwd *__result_buf, char *__buffer,
+ size_t __buflen, struct spwd **__result);
+
+extern int getspnam_r (__const char *__name, struct spwd *__result_buf,
+ char *__buffer, size_t __buflen,
+ struct spwd **__result)__THROW;
+
+extern int sgetspent_r (__const char *__string, struct spwd *__result_buf,
+ char *__buffer, size_t __buflen,
+ struct spwd **__result);
-extern struct spwd *getspent(void);
-extern struct spwd *sgetspent(const char *);
-extern struct spwd *fgetspent(FILE *);
-extern void setspent(void);
-extern void endspent(void);
-extern int putspent(const struct spwd *, FILE *);
-extern struct spwd *getspnam(const char *name);
-extern struct spwd *pwd_to_spwd(const struct passwd *pw);
+extern int fgetspent_r (FILE *__stream, struct spwd *__result_buf,
+ char *__buffer, size_t __buflen,
+ struct spwd **__result);
+/* Protect password file against multi writers. */
+extern int lckpwdf (void);
-#endif /* USE_LOCAL_SHADOW */
+/* Unlock password file. */
+extern int ulckpwdf (void);
-#endif /* _H_SHADOW */
+#endif /* shadow.h */
+#endif
LIBPWDGRP_DIR:=$(TOPDIR)libpwdgrp/
endif
-LIBPWDGRP-y:=
-LIBPWDGRP-$(CONFIG_USE_BB_PWD_GRP) += __getgrent.o __getgrent.o __getpwent.o\
- fgetgrent.o fgetpwent.o getgrgid.o getgrnam.o getpw.o getpwnam.o \
- getpwuid.o grent.o initgroups.o putpwent.o pwent.o setgroups.o
-LIBPWDGRP-$(CONFIG_USE_BB_SHADOW) += shadow.o
+
+LIBPWDGRP_MSRC0:=$(LIBPWDGRP_DIR)pwd_grp.c
+LIBPWDGRP_MOBJ0-$(CONFIG_USE_BB_PWD_GRP):= fgetpwent_r.o fgetgrent_r.o \
+ fgetpwent.o fgetgrent.o getpwnam_r.o getgrnam_r.o getpwuid_r.o \
+ getgrgid_r.o getpwuid.o getgrgid.o getpwnam.o getgrnam.o getpw.o \
+ getpwent_r.o getgrent_r.o getpwent.o getgrent.o \
+ initgroups.o putpwent.o putgrent.o
+LIBPWDGRP_MOBJS0=$(patsubst %,$(LIBPWDGRP_DIR)%, $(LIBPWDGRP_MOBJ0-y))
+
+LIBPWDGRP_MSRC1:=$(LIBPWDGRP_DIR)pwd_grp.c
+LIBPWDGRP_MOBJ1-$(CONFIG_USE_BB_PWD_GRP):= __parsepwent.o __parsegrent.o \
+ __pgsreader.o fgetspent_r.o fgetspent.o sgetspent_r.o getspnam_r.o \
+ getspnam.o getspent_r.o getspent.o sgetspent.o \
+ putspent.o __parsespent.o # getspuid_r.o getspuid.o
+LIBPWDGRP_MOBJS1=$(patsubst %,$(LIBPWDGRP_DIR)%, $(LIBPWDGRP_MOBJ1-y))
libraries-y+=$(LIBPWDGRP_DIR)$(LIBPWDGRP_AR)
-$(LIBPWDGRP_DIR)$(LIBPWDGRP_AR): $(patsubst %,$(LIBPWDGRP_DIR)%, $(LIBPWDGRP-y))
- $(AR) -ro $@ $(patsubst %,$(LIBPWDGRP_DIR)%, $(LIBPWDGRP-y))
+$(LIBPWDGRP_DIR)$(LIBPWDGRP_AR): $(LIBPWDGRP_MOBJS0) $(LIBPWDGRP_MOBJS1)
+ $(AR) -ro $@ $(LIBPWDGRP_MOBJS0) $(LIBPWDGRP_MOBJS1)
+
+$(LIBPWDGRP_MOBJS0): $(LIBPWDGRP_MSRC0)
+ $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -DL_$(notdir $*) -c $< -o $@
+
+$(LIBPWDGRP_MOBJS1): $(LIBPWDGRP_MSRC1)
+ $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -DL_$(notdir $*) -c $< -o $@
+
+++ /dev/null
-/*
- * __getgrent.c - This file is part of the libc-8086/grp package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "busybox.h"
-#include "grp_.h"
-
-/*
- * Define GR_SCALE_DYNAMIC if you want grp to dynamically scale its read buffer
- * so that lines of any length can be used. On very very small systems,
- * you may want to leave this undefined because it will make the grp functions
- * somewhat larger (because of the inclusion of malloc and the code necessary).
- * On larger systems, you will want to define this, because grp will _not_
- * deal with long lines gracefully (they will be skipped).
- */
-#undef GR_SCALE_DYNAMIC
-
-#ifndef GR_SCALE_DYNAMIC
-/*
- * If scaling is not dynamic, the buffers will be statically allocated, and
- * maximums must be chosen. GR_MAX_LINE_LEN is the maximum number of
- * characters per line in the group file. GR_MAX_MEMBERS is the maximum
- * number of members of any given group.
- */
-#define GR_MAX_LINE_LEN 128
-/* GR_MAX_MEMBERS = (GR_MAX_LINE_LEN-(24+3+6))/9 */
-#define GR_MAX_MEMBERS 11
-
-#endif /* !GR_SCALE_DYNAMIC */
-
-
-/*
- * Define GR_DYNAMIC_GROUP_LIST to make initgroups() dynamically allocate
- * space for it's GID array before calling setgroups(). This is probably
- * unnecessary scalage, so it's undefined by default.
- */
-#undef GR_DYNAMIC_GROUP_LIST
-
-#ifndef GR_DYNAMIC_GROUP_LIST
-/*
- * GR_MAX_GROUPS is the size of the static array initgroups() uses for
- * its static GID array if GR_DYNAMIC_GROUP_LIST isn't defined.
- */
-#define GR_MAX_GROUPS 64
-
-#endif /* !GR_DYNAMIC_GROUP_LIST */
-
-
-/*
- * This is the core group-file read function. It behaves exactly like
- * getgrent() except that it is passed a file descriptor. getgrent()
- * is just a wrapper for this function.
- */
-struct group *bb_getgrent(int grp_fd)
-{
-#ifndef GR_SCALE_DYNAMIC
- static char line_buff[GR_MAX_LINE_LEN];
- static char *members[GR_MAX_MEMBERS];
-#else
- static char *line_buff = NULL;
- static char **members = NULL;
- short line_index;
- short buff_size;
-#endif
- static struct group group;
- register char *ptr;
- char *field_begin;
- short member_num;
- char *endptr;
- int line_len;
-
-
- /* We use the restart label to handle malformatted lines */
- restart:
-#ifdef GR_SCALE_DYNAMIC
- line_index = 0;
- buff_size = 256;
-#endif
-
-#ifndef GR_SCALE_DYNAMIC
- /* Read the line into the static buffer */
- if ((line_len = read(grp_fd, line_buff, GR_MAX_LINE_LEN)) <= 0)
- return NULL;
- field_begin = strchr(line_buff, '\n');
- if (field_begin != NULL)
- lseek(grp_fd, (long) (1 + field_begin - (line_buff + line_len)),
- SEEK_CUR);
- else { /* The line is too long - skip it :-\ */
-
- do {
- if ((line_len = read(grp_fd, line_buff, GR_MAX_LINE_LEN)) <= 0)
- return NULL;
- } while (!(field_begin = strchr(line_buff, '\n')));
- lseek(grp_fd, (long) ((field_begin - line_buff) - line_len + 1),
- SEEK_CUR);
- goto restart;
- }
- if (*line_buff == '#' || *line_buff == ' ' || *line_buff == '\n' ||
- *line_buff == '\t')
- goto restart;
- *field_begin = '\0';
-
-#else /* !GR_SCALE_DYNAMIC */
- line_buff = realloc(line_buff, buff_size);
- while (1) {
- if ((line_len = read(grp_fd, line_buff + line_index,
- buff_size - line_index)) <= 0)
- return NULL;
- field_begin = strchr(line_buff, '\n');
- if (field_begin != NULL) {
- lseek(grp_fd,
- (long) (1 + field_begin -
- (line_len + line_index + line_buff)), SEEK_CUR);
- *field_begin = '\0';
- if (*line_buff == '#' || *line_buff == ' '
- || *line_buff == '\n' || *line_buff == '\t')
- goto restart;
- break;
- } else { /* Allocate some more space */
-
- line_index = buff_size;
- buff_size += 256;
- line_buff = realloc(line_buff, buff_size);
- }
- }
-#endif /* GR_SCALE_DYNAMIC */
-
- /* Now parse the line */
- group.gr_name = line_buff;
- ptr = strchr(line_buff, ':');
- if (ptr == NULL)
- goto restart;
- *ptr++ = '\0';
-
- group.gr_passwd = ptr;
- ptr = strchr(ptr, ':');
- if (ptr == NULL)
- goto restart;
- *ptr++ = '\0';
-
- field_begin = ptr;
- ptr = strchr(ptr, ':');
- if (ptr == NULL)
- goto restart;
- *ptr++ = '\0';
-
- group.gr_gid = (gid_t) strtoul(field_begin, &endptr, 10);
- if (*endptr != '\0')
- goto restart;
-
- member_num = 0;
- field_begin = ptr;
-
-#ifndef GR_SCALE_DYNAMIC
- while ((ptr = strchr(ptr, ',')) != NULL) {
- *ptr = '\0';
- ptr++;
- members[member_num] = field_begin;
- field_begin = ptr;
- member_num++;
- }
- if (*field_begin == '\0')
- members[member_num] = NULL;
- else {
- members[member_num] = field_begin;
- members[member_num + 1] = NULL;
- }
-#else /* !GR_SCALE_DYNAMIC */
- free(members);
- members = (char **) malloc((member_num + 1) * sizeof(char *));
- for ( ; field_begin && *field_begin != '\0'; field_begin = ptr) {
- if ((ptr = strchr(field_begin, ',')) != NULL)
- *ptr++ = '\0';
- members[member_num++] = field_begin;
- members = (char **) realloc(members,
- (member_num + 1) * sizeof(char *));
- }
- members[member_num] = NULL;
-#endif /* GR_SCALE_DYNAMIC */
-
- group.gr_mem = members;
- return &group;
-}
+++ /dev/null
-/*
- * __getpwent.c - This file is part of the libc-8086/pwd package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-
-#include "pwd_.h"
-#include "busybox.h"
-
-#define PWD_BUFFER_SIZE 256
-
-/* This isn't as flash as my previous version -- it doesn't dynamically
- scale down the gecos on too-long lines, but it also makes fewer syscalls,
- so it's probably nicer. Write me if you want the old version. Maybe I
- should include it as a build-time option... ?
- -Nat <ndf@linux.mit.edu> */
-
-struct passwd *__getpwent(int pwd_fd)
-{
- static char line_buff[PWD_BUFFER_SIZE];
- static struct passwd passwd;
- char *field_begin;
- char *endptr;
- char *gid_ptr=NULL;
- char *uid_ptr=NULL;
- int line_len;
- int i;
-
- /* We use the restart label to handle malformatted lines */
- restart:
- /* Read the passwd line into the static buffer using a minimal of
- syscalls. */
- if ((line_len = read(pwd_fd, line_buff, PWD_BUFFER_SIZE)) <= 0)
- return NULL;
- field_begin = strchr(line_buff, '\n');
- if (field_begin != NULL)
- lseek(pwd_fd, (long) (1 + field_begin - (line_buff + line_len)),
- SEEK_CUR);
- else { /* The line is too long - skip it. :-\ */
-
- do {
- if ((line_len = read(pwd_fd, line_buff, PWD_BUFFER_SIZE)) <= 0)
- return NULL;
- } while (!(field_begin = strchr(line_buff, '\n')));
- lseek(pwd_fd, (long) (field_begin - line_buff) - line_len + 1,
- SEEK_CUR);
- goto restart;
- }
- if (*line_buff == '#' || *line_buff == ' ' || *line_buff == '\n' ||
- *line_buff == '\t')
- goto restart;
- *field_begin = '\0';
-
- /* We've read the line; now parse it. */
- field_begin = line_buff;
- for (i = 0; i < 7; i++) {
- switch (i) {
- case 0:
- passwd.pw_name = field_begin;
- break;
- case 1:
- passwd.pw_passwd = field_begin;
- break;
- case 2:
- uid_ptr = field_begin;
- break;
- case 3:
- gid_ptr = field_begin;
- break;
- case 4:
- passwd.pw_gecos = field_begin;
- break;
- case 5:
- passwd.pw_dir = field_begin;
- break;
- case 6:
- passwd.pw_shell = field_begin;
- break;
- }
- if (i < 6) {
- field_begin = strchr(field_begin, ':');
- if (field_begin == NULL)
- goto restart;
- *field_begin++ = '\0';
- }
- }
- passwd.pw_gid = (gid_t) strtoul(gid_ptr, &endptr, 10);
- if (*endptr != '\0')
- goto restart;
-
- passwd.pw_uid = (uid_t) strtoul(uid_ptr, &endptr, 10);
- if (*endptr != '\0')
- goto restart;
-
- return &passwd;
-}
+++ /dev/null
-/*
- * fgetgrent.c - This file is part of the libc-8086/grp package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "busybox.h"
-
-#include <stdio.h>
-#include <errno.h>
-#include "grp_.h"
-
-struct group *fgetgrent(FILE * file)
-{
- if (file == NULL) {
- errno = EINTR;
- return NULL;
- }
-
- return bb_getgrent(fileno(file));
-}
+++ /dev/null
-/*
- * fgetpwent.c - This file is part of the libc-8086/pwd package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "busybox.h"
-
-#include <errno.h>
-#include <stdio.h>
-#include "pwd_.h"
-
-struct passwd *fgetpwent(FILE * file)
-{
- if (file == NULL) {
- errno = EINTR;
- return NULL;
- }
-
- return __getpwent(fileno(file));
-}
+++ /dev/null
-/*
- * getgrgid.c - This file is part of the libc-8086/grp package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "busybox.h"
-
-#include <sys/types.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include "grp_.h"
-
-struct group *getgrgid(const gid_t gid)
-{
- struct group *group;
- int grp_fd;
-
- if ((grp_fd = open(bb_path_group_file, O_RDONLY)) < 0)
- return NULL;
-
- while ((group = bb_getgrent(grp_fd)) != NULL)
- if (group->gr_gid == gid) {
- close(grp_fd);
- return group;
- }
-
- close(grp_fd);
- return NULL;
-}
+++ /dev/null
-/*
- * getgrnam.c - This file is part of the libc-8086/grp package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "busybox.h"
-
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-#include "grp_.h"
-
-struct group *getgrnam(const char *name)
-{
- int grp_fd;
- struct group *group;
-
- if (name == NULL) {
- errno = EINVAL;
- return NULL;
- }
-
- if ((grp_fd = open(bb_path_group_file, O_RDONLY)) < 0)
- return NULL;
-
- while ((group = bb_getgrent(grp_fd)) != NULL)
- if (!strcmp(group->gr_name, name)) {
- close(grp_fd);
- return group;
- }
-
- close(grp_fd);
- return NULL;
-}
+++ /dev/null
-/*
- * getpw.c - This file is part of the libc-8086/pwd package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "busybox.h"
-
-#include <sys/types.h>
-#include <errno.h>
-#include <stdio.h>
-#include "pwd_.h"
-
-int getpw(uid_t uid, char *buf)
-{
- struct passwd *passwd;
-
- if (buf == NULL) {
- errno = EINVAL;
- return -1;
- }
- if ((passwd = getpwuid(uid)) == NULL)
- return -1;
-
- if (sprintf (buf, "%s:%s:%u:%u:%s:%s:%s", passwd->pw_name, passwd->pw_passwd,
- passwd->pw_gid, passwd->pw_uid, passwd->pw_gecos, passwd->pw_dir,
- passwd->pw_shell) < 0) {
- errno = ENOBUFS;
- return -1;
- }
-
- return 0;
-}
+++ /dev/null
-/*
- * getpwnam.c - This file is part of the libc-8086/pwd package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "busybox.h"
-
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-#include "pwd_.h"
-
-
-struct passwd *getpwnam(const char *name)
-{
- int passwd_fd;
- struct passwd *passwd;
-
- if (name == NULL) {
- errno = EINVAL;
- return NULL;
- }
-
- if ((passwd_fd = open(bb_path_passwd_file, O_RDONLY)) < 0)
- return NULL;
-
- while ((passwd = __getpwent(passwd_fd)) != NULL)
- if (!strcmp(passwd->pw_name, name)) {
- close(passwd_fd);
- return passwd;
- }
-
- close(passwd_fd);
- return NULL;
-}
+++ /dev/null
-/*
- * getpwuid.c - This file is part of the libc-8086/pwd package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "busybox.h"
-#include "pwd_.h"
-
-struct passwd *getpwuid(uid_t uid)
-{
- int passwd_fd;
- struct passwd *passwd;
-
- if ((passwd_fd = open(bb_path_passwd_file, O_RDONLY)) < 0)
- return NULL;
-
- while ((passwd = __getpwent(passwd_fd)) != NULL)
- if (passwd->pw_uid == uid) {
- close(passwd_fd);
- return passwd;
- }
-
- close(passwd_fd);
- return NULL;
-}
+++ /dev/null
-/*
- * grent.c - This file is part of the libc-8086/grp package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-/*
- * setgrent(), endgrent(), and getgrent() are mutually-dependent functions,
- * so they are all included in the same object file, and thus all linked
- * in together.
- */
-
-#include "busybox.h"
-
-#include <unistd.h>
-#include <fcntl.h>
-#include "grp_.h"
-
-static int grp_fd = -1;
-
-void setgrent(void)
-{
- if (grp_fd != -1)
- close(grp_fd);
- grp_fd = open(bb_path_group_file, O_RDONLY);
-}
-
-void endgrent(void)
-{
- if (grp_fd != -1)
- close(grp_fd);
- grp_fd = -1;
-}
-
-struct group *getgrent(void)
-{
- if (grp_fd == -1)
- return NULL;
- return bb_getgrent(grp_fd);
-}
+++ /dev/null
-/*
- * initgroups.c - This file is part of the libc-8086/grp package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "busybox.h"
-
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include "grp_.h"
-
-/*
- * Define GR_SCALE_DYNAMIC if you want grp to dynamically scale its read buffer
- * so that lines of any length can be used. On very very small systems,
- * you may want to leave this undefined because it will make the grp functions
- * somewhat larger (because of the inclusion of malloc and the code necessary).
- * On larger systems, you will want to define this, because grp will _not_
- * deal with long lines gracefully (they will be skipped).
- */
-#undef GR_SCALE_DYNAMIC
-
-#ifndef GR_SCALE_DYNAMIC
-/*
- * If scaling is not dynamic, the buffers will be statically allocated, and
- * maximums must be chosen. GR_MAX_LINE_LEN is the maximum number of
- * characters per line in the group file. GR_MAX_MEMBERS is the maximum
- * number of members of any given group.
- */
-#define GR_MAX_LINE_LEN 128
-/* GR_MAX_MEMBERS = (GR_MAX_LINE_LEN-(24+3+6))/9 */
-#define GR_MAX_MEMBERS 11
-
-#endif /* !GR_SCALE_DYNAMIC */
-
-
-/*
- * Define GR_DYNAMIC_GROUP_LIST to make initgroups() dynamically allocate
- * space for it's GID array before calling setgroups(). This is probably
- * unnecessary scalage, so it's undefined by default.
- */
-#undef GR_DYNAMIC_GROUP_LIST
-
-#ifndef GR_DYNAMIC_GROUP_LIST
-/*
- * GR_MAX_GROUPS is the size of the static array initgroups() uses for
- * its static GID array if GR_DYNAMIC_GROUP_LIST isn't defined.
- */
-#define GR_MAX_GROUPS 64
-
-#endif /* !GR_DYNAMIC_GROUP_LIST */
-
-int initgroups(__const char *user, gid_t gid)
-{
- register struct group *group;
-
-#ifndef GR_DYNAMIC_GROUP_LIST
- gid_t group_list[GR_MAX_GROUPS];
-#else
- gid_t *group_list = NULL;
-#endif
- register char **tmp_mem;
- int num_groups;
- int grp_fd;
-
-
- if ((grp_fd = open(bb_path_group_file, O_RDONLY)) < 0)
- return -1;
-
- num_groups = 0;
-#ifdef GR_DYNAMIC_GROUP_LIST
- group_list = (gid_t *) realloc(group_list, 1);
-#endif
- group_list[num_groups] = gid;
-#ifndef GR_DYNAMIC_GROUP_LIST
- while (num_groups < GR_MAX_GROUPS &&
- (group = bb_getgrent(grp_fd)) != NULL)
-#else
- while ((group = bb_getgrent(grp_fd)) != NULL)
-#endif
- {
- if (group->gr_gid != gid)
- {
- tmp_mem = group->gr_mem;
- while (*tmp_mem != NULL) {
- if (!strcmp(*tmp_mem, user)) {
- num_groups++;
-#ifdef GR_DYNAMIC_GROUP_LIST
- group_list = (gid_t *) realloc(group_list, num_groups *
- sizeof(gid_t *));
-#endif
- group_list[num_groups-1] = group->gr_gid;
- }
- tmp_mem++;
- }
- }
- }
- close(grp_fd);
- return setgroups(num_groups, group_list);
-}
+++ /dev/null
-/*
- * putpwent.c - This file is part of the libc-8086/pwd package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "busybox.h"
-
-#include <stdio.h>
-#include <errno.h>
-#include "pwd_.h"
-
-int putpwent(const struct passwd *passwd, FILE * f)
-{
- if (passwd == NULL || f == NULL) {
- errno = EINVAL;
- return -1;
- }
- if (fprintf (f, "%s:%s:%u:%u:%s:%s:%s\n", passwd->pw_name, passwd->pw_passwd,
- passwd->pw_uid, passwd->pw_gid, passwd->pw_gecos, passwd->pw_dir,
- passwd->pw_shell) < 0)
- return -1;
-
- return 0;
-}
--- /dev/null
+/* Copyright (C) 2003 Manuel Novoa III
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Nov 6, 2003 Initial version.
+ *
+ * NOTE: This implementation is quite strict about requiring all
+ * field seperators. It also does not allow leading whitespace
+ * except when processing the numeric fields. glibc is more
+ * lenient. See the various glibc difference comments below.
+ *
+ * TODO:
+ * Move to dynamic allocation of (currently staticly allocated)
+ * buffers; especially for the group-related functions since
+ * large group member lists will cause error returns.
+ *
+ */
+
+#include <features.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stddef.h>
+#include <errno.h>
+#include <assert.h>
+#include <ctype.h>
+#include "busybox.h"
+#include "pwd_.h"
+#include "grp_.h"
+#include "shadow_.h"
+
+#ifndef _PATH_SHADOW
+#define _PATH_SHADOW "/etc/shadow"
+#endif
+#ifndef _PATH_PASSWD
+#define _PATH_PASSWD "/etc/passwd"
+#endif
+#ifndef _PATH_GROUP
+#define _PATH_GROUP "/etc/group"
+#endif
+
+/**********************************************************************/
+/* Sizes for staticly allocated buffers. */
+
+/* If you change these values, also change _SC_GETPW_R_SIZE_MAX and
+ * _SC_GETGR_R_SIZE_MAX in libc/unistd/sysconf.c to match */
+#define PWD_BUFFER_SIZE 256
+#define GRP_BUFFER_SIZE 256
+
+/**********************************************************************/
+/* Prototypes for internal functions. */
+
+extern int __parsepwent(void *pw, char *line);
+extern int __parsegrent(void *gr, char *line);
+extern int __parsespent(void *sp, char *line);
+
+extern int __pgsreader(int (*__parserfunc)(void *d, char *line), void *data,
+ char *__restrict line_buff, size_t buflen, FILE *f);
+
+/**********************************************************************/
+/* For the various fget??ent_r funcs, return
+ *
+ * 0: success
+ * ENOENT: end-of-file encountered
+ * ERANGE: buflen too small
+ * other error values possible. See __pgsreader.
+ *
+ * Also, *result == resultbuf on success and NULL on failure.
+ *
+ * NOTE: glibc difference - For the ENOENT case, glibc also sets errno.
+ * We do not, as it really isn't an error if we reach the end-of-file.
+ * Doing so is analogous to having fgetc() set errno on EOF.
+ */
+/**********************************************************************/
+#ifdef L_fgetpwent_r
+
+int fgetpwent_r(FILE *__restrict stream, struct passwd *__restrict resultbuf,
+ char *__restrict buffer, size_t buflen,
+ struct passwd **__restrict result)
+{
+ int rv;
+
+ *result = NULL;
+
+ if (!(rv = __pgsreader(__parsepwent, resultbuf, buffer, buflen, stream))) {
+ *result = resultbuf;
+ }
+
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_fgetgrent_r
+
+int fgetgrent_r(FILE *__restrict stream, struct group *__restrict resultbuf,
+ char *__restrict buffer, size_t buflen,
+ struct group **__restrict result)
+{
+ int rv;
+
+ *result = NULL;
+
+ if (!(rv = __pgsreader(__parsegrent, resultbuf, buffer, buflen, stream))) {
+ *result = resultbuf;
+ }
+
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_fgetspent_r
+
+int fgetspent_r(FILE *__restrict stream, struct spwd *__restrict resultbuf,
+ char *__restrict buffer, size_t buflen,
+ struct spwd **__restrict result)
+{
+ int rv;
+
+ *result = NULL;
+
+ if (!(rv = __pgsreader(__parsespent, resultbuf, buffer, buflen, stream))) {
+ *result = resultbuf;
+ }
+
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+/* For the various fget??ent funcs, return NULL on failure and a
+ * pointer to the appropriate struct (staticly allocated) on success.
+ */
+/**********************************************************************/
+#ifdef L_fgetpwent
+
+struct passwd *fgetpwent(FILE *stream)
+{
+ static char buffer[PWD_BUFFER_SIZE];
+ static struct passwd resultbuf;
+ struct passwd *result;
+
+ fgetpwent_r(stream, &resultbuf, buffer, sizeof(buffer), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_fgetgrent
+
+struct group *fgetgrent(FILE *stream)
+{
+ static char buffer[GRP_BUFFER_SIZE];
+ static struct group resultbuf;
+ struct group *result;
+
+ fgetgrent_r(stream, &resultbuf, buffer, sizeof(buffer), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_fgetspent
+
+extern int fgetspent_r(FILE *__restrict stream, struct spwd *__restrict resultbuf,
+ char *__restrict buffer, size_t buflen,
+ struct spwd **__restrict result);
+struct spwd *fgetspent(FILE *stream)
+{
+ static char buffer[PWD_BUFFER_SIZE];
+ static struct spwd resultbuf;
+ struct spwd *result;
+
+ fgetspent_r(stream, &resultbuf, buffer, sizeof(buffer), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_sgetspent_r
+
+int sgetspent_r(const char *string, struct spwd *result_buf,
+ char *buffer, size_t buflen, struct spwd **result)
+{
+ int rv = ERANGE;
+
+ *result = NULL;
+
+ if (buflen < PWD_BUFFER_SIZE) {
+ DO_ERANGE:
+ errno=rv;
+ goto DONE;
+ }
+
+ if (string != buffer) {
+ if (strlen(string) >= buflen) {
+ goto DO_ERANGE;
+ }
+ strcpy(buffer, string);
+ }
+
+ if (!(rv = __parsespent(result_buf, buffer))) {
+ *result = result_buf;
+ }
+
+ DONE:
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+
+#ifdef GETXXKEY_R_FUNC
+#error GETXXKEY_R_FUNC is already defined!
+#endif
+
+#ifdef L_getpwnam_r
+#define GETXXKEY_R_FUNC getpwnam_r
+#define GETXXKEY_R_PARSER __parsepwent
+#define GETXXKEY_R_ENTTYPE struct passwd
+#define GETXXKEY_R_TEST(ENT) (!strcmp((ENT)->pw_name, key))
+#define DO_GETXXKEY_R_KEYTYPE const char *__restrict
+#define DO_GETXXKEY_R_PATHNAME _PATH_PASSWD
+#endif
+
+#ifdef L_getgrnam_r
+#define GETXXKEY_R_FUNC getgrnam_r
+#define GETXXKEY_R_PARSER __parsegrent
+#define GETXXKEY_R_ENTTYPE struct group
+#define GETXXKEY_R_TEST(ENT) (!strcmp((ENT)->gr_name, key))
+#define DO_GETXXKEY_R_KEYTYPE const char *__restrict
+#define DO_GETXXKEY_R_PATHNAME _PATH_GROUP
+#endif
+
+#ifdef L_getspnam_r
+#define GETXXKEY_R_FUNC getspnam_r
+#define GETXXKEY_R_PARSER __parsespent
+#define GETXXKEY_R_ENTTYPE struct spwd
+#define GETXXKEY_R_TEST(ENT) (!strcmp((ENT)->sp_namp, key))
+#define DO_GETXXKEY_R_KEYTYPE const char *__restrict
+#define DO_GETXXKEY_R_PATHNAME _PATH_SHADOW
+#endif
+
+#ifdef L_getpwuid_r
+#define GETXXKEY_R_FUNC getpwuid_r
+#define GETXXKEY_R_PARSER __parsepwent
+#define GETXXKEY_R_ENTTYPE struct passwd
+#define GETXXKEY_R_TEST(ENT) ((ENT)->pw_uid == key)
+#define DO_GETXXKEY_R_KEYTYPE uid_t
+#define DO_GETXXKEY_R_PATHNAME _PATH_PASSWD
+#endif
+
+#ifdef L_getgrgid_r
+#define GETXXKEY_R_FUNC getgrgid_r
+#define GETXXKEY_R_PARSER __parsegrent
+#define GETXXKEY_R_ENTTYPE struct group
+#define GETXXKEY_R_TEST(ENT) ((ENT)->gr_gid == key)
+#define DO_GETXXKEY_R_KEYTYPE gid_t
+#define DO_GETXXKEY_R_PATHNAME _PATH_GROUP
+#endif
+
+/**********************************************************************/
+#ifdef GETXXKEY_R_FUNC
+
+int GETXXKEY_R_FUNC(DO_GETXXKEY_R_KEYTYPE key,
+ GETXXKEY_R_ENTTYPE *__restrict resultbuf,
+ char *__restrict buffer, size_t buflen,
+ GETXXKEY_R_ENTTYPE **__restrict result)
+{
+ FILE *stream;
+ int rv;
+
+ *result = NULL;
+
+ if (!(stream = fopen(DO_GETXXKEY_R_PATHNAME, "r"))) {
+ rv = errno;
+ } else {
+ do {
+ if (!(rv = __pgsreader(GETXXKEY_R_PARSER, resultbuf,
+ buffer, buflen, stream))
+ ) {
+ if (GETXXKEY_R_TEST(resultbuf)) { /* Found key? */
+ *result = resultbuf;
+ break;
+ }
+ } else {
+ if (rv == ENOENT) { /* end-of-file encountered. */
+ rv = 0;
+ }
+ break;
+ }
+ } while (1);
+ fclose(stream);
+ }
+
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getpwuid
+
+struct passwd *getpwuid(uid_t uid)
+{
+ static char buffer[PWD_BUFFER_SIZE];
+ static struct passwd resultbuf;
+ struct passwd *result;
+
+ getpwuid_r(uid, &resultbuf, buffer, sizeof(buffer), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getgrgid
+
+struct group *getgrgid(gid_t gid)
+{
+ static char buffer[GRP_BUFFER_SIZE];
+ static struct group resultbuf;
+ struct group *result;
+
+ getgrgid_r(gid, &resultbuf, buffer, sizeof(buffer), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getspuid_r
+
+/* This function is non-standard and is currently not built. It seems
+ * to have been created as a reentrant version of the non-standard
+ * functions getspuid. Why getspuid was added, I do not know. */
+
+int getspuid_r(uid_t uid, struct spwd *__restrict resultbuf,
+ char *__restrict buffer, size_t buflen,
+ struct spwd **__restrict result)
+{
+ int rv;
+ struct passwd *pp;
+ struct passwd password;
+ char pwd_buff[PWD_BUFFER_SIZE];
+
+ *result = NULL;
+ if (!(rv = getpwuid_r(uid, &password, pwd_buff, sizeof(pwd_buff), &pp))) {
+ rv = getspnam_r(password.pw_name, resultbuf, buffer, buflen, result);
+ }
+
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getspuid
+
+/* This function is non-standard and is currently not built.
+ * Why it was added, I do not know. */
+
+struct spwd *getspuid(uid_t uid)
+{
+ static char buffer[PWD_BUFFER_SIZE];
+ static struct spwd resultbuf;
+ struct spwd *result;
+
+ getspuid_r(uid, &resultbuf, buffer, sizeof(buffer), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getpwnam
+
+struct passwd *getpwnam(const char *name)
+{
+ static char buffer[PWD_BUFFER_SIZE];
+ static struct passwd resultbuf;
+ struct passwd *result;
+
+ getpwnam_r(name, &resultbuf, buffer, sizeof(buffer), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getgrnam
+
+struct group *getgrnam(const char *name)
+{
+ static char buffer[GRP_BUFFER_SIZE];
+ static struct group resultbuf;
+ struct group *result;
+
+ getgrnam_r(name, &resultbuf, buffer, sizeof(buffer), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getspnam
+
+struct spwd *getspnam(const char *name)
+{
+ static char buffer[PWD_BUFFER_SIZE];
+ static struct spwd resultbuf;
+ struct spwd *result;
+
+ getspnam_r(name, &resultbuf, buffer, sizeof(buffer), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getpw
+
+int getpw(uid_t uid, char *buf)
+{
+ struct passwd resultbuf;
+ struct passwd *result;
+ char buffer[PWD_BUFFER_SIZE];
+
+ if (!buf) {
+ errno=EINVAL;
+ } else if (!getpwuid_r(uid, &resultbuf, buffer, sizeof(buffer), &result)) {
+ if (sprintf(buf, "%s:%s:%lu:%lu:%s:%s:%s\n",
+ resultbuf.pw_name, resultbuf.pw_passwd,
+ (unsigned long)(resultbuf.pw_uid),
+ (unsigned long)(resultbuf.pw_gid),
+ resultbuf.pw_gecos, resultbuf.pw_dir,
+ resultbuf.pw_shell) >= 0
+ ) {
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getpwent_r
+
+static FILE *pwf /*= NULL*/;
+void setpwent(void)
+{
+ if (pwf) {
+ rewind(pwf);
+ }
+}
+
+void endpwent(void)
+{
+ if (pwf) {
+ fclose(pwf);
+ pwf = NULL;
+ }
+}
+
+
+int getpwent_r(struct passwd *__restrict resultbuf,
+ char *__restrict buffer, size_t buflen,
+ struct passwd **__restrict result)
+{
+ int rv;
+
+ *result = NULL; /* In case of error... */
+
+ if (!pwf) {
+ if (!(pwf = fopen(_PATH_PASSWD, "r"))) {
+ rv = errno;
+ goto ERR;
+ }
+ }
+
+ if (!(rv = __pgsreader(__parsepwent, resultbuf,
+ buffer, buflen, pwf))) {
+ *result = resultbuf;
+ }
+
+ ERR:
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getgrent_r
+
+static FILE *grf /*= NULL*/;
+void setgrent(void)
+{
+ if (grf) {
+ rewind(grf);
+ }
+}
+
+void endgrent(void)
+{
+ if (grf) {
+ fclose(grf);
+ grf = NULL;
+ }
+}
+
+int getgrent_r(struct group *__restrict resultbuf,
+ char *__restrict buffer, size_t buflen,
+ struct group **__restrict result)
+{
+ int rv;
+
+ *result = NULL; /* In case of error... */
+
+ if (!grf) {
+ if (!(grf = fopen(_PATH_GROUP, "r"))) {
+ rv = errno;
+ goto ERR;
+ }
+ }
+
+ if (!(rv = __pgsreader(__parsegrent, resultbuf,
+ buffer, buflen, grf))) {
+ *result = resultbuf;
+ }
+
+ ERR:
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getspent_r
+
+static FILE *spf /*= NULL*/;
+void setspent(void)
+{
+ if (spf) {
+ rewind(spf);
+ }
+}
+
+void endspent(void)
+{
+ if (spf) {
+ fclose(spf);
+ spf = NULL;
+ }
+}
+
+int getspent_r(struct spwd *resultbuf, char *buffer,
+ size_t buflen, struct spwd **result)
+{
+ int rv;
+
+ *result = NULL; /* In case of error... */
+
+ if (!spf) {
+ if (!(spf = fopen(_PATH_SHADOW, "r"))) {
+ rv = errno;
+ goto ERR;
+ }
+ }
+
+ if (!(rv = __pgsreader(__parsespent, resultbuf,
+ buffer, buflen, spf))) {
+ *result = resultbuf;
+ }
+
+ ERR:
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getpwent
+
+struct passwd *getpwent(void)
+{
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct passwd pwd;
+ struct passwd *result;
+
+ getpwent_r(&pwd, line_buff, sizeof(line_buff), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getgrent
+
+struct group *getgrent(void)
+{
+ static char line_buff[GRP_BUFFER_SIZE];
+ static struct group gr;
+ struct group *result;
+
+ getgrent_r(&gr, line_buff, sizeof(line_buff), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_getspent
+
+struct spwd *getspent(void)
+{
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct spwd spwd;
+ struct spwd *result;
+
+ getspent_r(&spwd, line_buff, sizeof(line_buff), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_sgetspent
+
+struct spwd *sgetspent(const char *string)
+{
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct spwd spwd;
+ struct spwd *result;
+
+ sgetspent_r(string, &spwd, line_buff, sizeof(line_buff), &result);
+ return result;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_initgroups
+
+int initgroups(const char *user, gid_t gid)
+{
+ FILE *grf;
+ gid_t *group_list;
+ int num_groups, rv;
+ char **m;
+ struct group group;
+ char buff[PWD_BUFFER_SIZE];
+
+ rv = -1;
+
+ /* We alloc space for 8 gids at a time. */
+ if (((group_list = (gid_t *) malloc(8*sizeof(gid_t *))) != NULL)
+ && ((grf = fopen(_PATH_GROUP, "r")) != NULL)
+ ) {
+
+ *group_list = gid;
+ num_groups = 1;
+
+ while (!__pgsreader(__parsegrent, &group, buff, sizeof(buff), grf)) {
+ assert(group.gr_mem); /* Must have at least a NULL terminator. */
+ if (group.gr_gid != gid) {
+ for (m=group.gr_mem ; *m ; m++) {
+ if (!strcmp(*m, user)) {
+ if (!(num_groups & 7)) {
+ gid_t *tmp = (gid_t *)
+ realloc(group_list,
+ (num_groups+8) * sizeof(gid_t *));
+ if (!tmp) {
+ rv = -1;
+ goto DO_CLOSE;
+ }
+ group_list = tmp;
+ }
+ group_list[num_groups++] = group.gr_gid;
+ break;
+ }
+ }
+ }
+ }
+
+ rv = setgroups(num_groups, group_list);
+ DO_CLOSE:
+ fclose(grf);
+ }
+
+ /* group_list will be NULL if initial malloc failed, which may trigger
+ * warnings from various malloc debuggers. */
+ free(group_list);
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_putpwent
+
+int putpwent(const struct passwd *__restrict p, FILE *__restrict f)
+{
+ int rv = -1;
+
+ if (!p || !f) {
+ errno=EINVAL;
+ } else {
+ /* No extra thread locking is needed above what fprintf does. */
+ if (fprintf(f, "%s:%s:%lu:%lu:%s:%s:%s\n",
+ p->pw_name, p->pw_passwd,
+ (unsigned long)(p->pw_uid),
+ (unsigned long)(p->pw_gid),
+ p->pw_gecos, p->pw_dir, p->pw_shell) >= 0
+ ) {
+ rv = 0;
+ }
+ }
+
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_putgrent
+
+int putgrent(const struct group *__restrict p, FILE *__restrict f)
+{
+ static const char format[] = ",%s";
+ char **m;
+ const char *fmt;
+ int rv = -1;
+
+ if (!p || !f) { /* Sigh... glibc checks. */
+ errno=EINVAL;
+ } else {
+ if (fprintf(f, "%s:%s:%lu:",
+ p->gr_name, p->gr_passwd,
+ (unsigned long)(p->gr_gid)) >= 0
+ ) {
+
+ fmt = format + 1;
+
+ assert(p->gr_mem);
+ m = p->gr_mem;
+
+ do {
+ if (!*m) {
+ if (fputc_unlocked('\n', f) >= 0) {
+ rv = 0;
+ }
+ break;
+ }
+ if (fprintf(f, fmt, *m) < 0) {
+ break;
+ }
+ ++m;
+ fmt = format;
+ } while (1);
+
+ }
+
+ }
+
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L_putspent
+
+static const unsigned char sp_off[] = {
+ offsetof(struct spwd, sp_lstchg), /* 2 - not a char ptr */
+ offsetof(struct spwd, sp_min), /* 3 - not a char ptr */
+ offsetof(struct spwd, sp_max), /* 4 - not a char ptr */
+ offsetof(struct spwd, sp_warn), /* 5 - not a char ptr */
+ offsetof(struct spwd, sp_inact), /* 6 - not a char ptr */
+ offsetof(struct spwd, sp_expire), /* 7 - not a char ptr */
+};
+
+int putspent(const struct spwd *p, FILE *stream)
+{
+ static const char ld_format[] = "%ld:";
+ const char *f;
+ long int x;
+ int i;
+ int rv = -1;
+
+ /* Unlike putpwent and putgrent, glibc does not check the args. */
+ if (fprintf(stream, "%s:%s:", p->sp_namp,
+ (p->sp_pwdp ? p->sp_pwdp : "")) < 0
+ ) {
+ goto DO_UNLOCK;
+ }
+
+ for (i=0 ; i < sizeof(sp_off) ; i++) {
+ f = ld_format;
+ if ((x = *(const long int *)(((const char *) p) + sp_off[i])) == -1) {
+ f += 3;
+ }
+ if (fprintf(stream, f, x) < 0) {
+ goto DO_UNLOCK;
+ }
+ }
+
+ if ((p->sp_flag != ~0UL) && (fprintf(stream, "%lu", p->sp_flag) < 0)) {
+ goto DO_UNLOCK;
+ }
+
+ if (fputc_unlocked('\n', stream) > 0) {
+ rv = 0;
+ }
+
+DO_UNLOCK:
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+/* Internal uClibc functions. */
+/**********************************************************************/
+#ifdef L___parsepwent
+
+static const unsigned char pw_off[] = {
+ offsetof(struct passwd, pw_name), /* 0 */
+ offsetof(struct passwd, pw_passwd), /* 1 */
+ offsetof(struct passwd, pw_uid), /* 2 - not a char ptr */
+ offsetof(struct passwd, pw_gid), /* 3 - not a char ptr */
+ offsetof(struct passwd, pw_gecos), /* 4 */
+ offsetof(struct passwd, pw_dir), /* 5 */
+ offsetof(struct passwd, pw_shell) /* 6 */
+};
+
+int __parsepwent(void *data, char *line)
+{
+ char *endptr;
+ char *p;
+ int i;
+
+ i = 0;
+ do {
+ p = ((char *) ((struct passwd *) data)) + pw_off[i];
+
+ if ((i & 6) ^ 2) { /* i!=2 and i!=3 */
+ *((char **) p) = line;
+ if (i==6) {
+ return 0;
+ }
+ /* NOTE: glibc difference - glibc allows omission of
+ * ':' seperators after the gid field if all remaining
+ * entries are empty. We require all separators. */
+ if (!(line = strchr(line, ':'))) {
+ break;
+ }
+ } else {
+ unsigned long t = strtoul(line, &endptr, 10);
+ /* Make sure we had at least one digit, and that the
+ * failing char is the next field seperator ':'. See
+ * glibc difference note above. */
+ /* TODO: Also check for leading whitespace? */
+ if ((endptr == line) || (*endptr != ':')) {
+ break;
+ }
+ line = endptr;
+ if (i & 1) { /* i == 3 -- gid */
+ *((gid_t *) p) = t;
+ } else { /* i == 2 -- uid */
+ *((uid_t *) p) = t;
+ }
+ }
+
+ *line++ = 0;
+ ++i;
+ } while (1);
+
+ return -1;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L___parsegrent
+
+static const unsigned char gr_off[] = {
+ offsetof(struct group, gr_name), /* 0 */
+ offsetof(struct group, gr_passwd), /* 1 */
+ offsetof(struct group, gr_gid) /* 2 - not a char ptr */
+};
+
+int __parsegrent(void *data, char *line)
+{
+ char *endptr;
+ char *p;
+ int i;
+ char **members;
+ char *end_of_buf;
+
+ end_of_buf = ((struct group *) data)->gr_name; /* Evil hack! */
+ i = 0;
+ do {
+ p = ((char *) ((struct group *) data)) + gr_off[i];
+
+ if (i < 2) {
+ *((char **) p) = line;
+ if (!(line = strchr(line, ':'))) {
+ break;
+ }
+ *line++ = 0;
+ ++i;
+ } else {
+ *((gid_t *) p) = strtoul(line, &endptr, 10);
+
+ /* NOTE: glibc difference - glibc allows omission of the
+ * trailing colon when there is no member list. We treat
+ * this as an error. */
+
+ /* Make sure we had at least one digit, and that the
+ * failing char is the next field seperator ':'. See
+ * glibc difference note above. */
+ if ((endptr == line) || (*endptr != ':')) {
+ break;
+ }
+
+ i = 1; /* Count terminating NULL ptr. */
+ p = endptr;
+
+ if (p[1]) { /* We have a member list to process. */
+ /* Overwrite the last ':' with a ',' before counting.
+ * This allows us to test for initial ',' and adds
+ * one ',' so that the ',' count equals the member
+ * count. */
+ *p = ',';
+ do {
+ /* NOTE: glibc difference - glibc allows and trims leading
+ * (but not trailing) space. We treat this as an error. */
+ /* NOTE: glibc difference - glibc allows consecutive and
+ * trailing commas, and ignores "empty string" users. We
+ * treat this as an error. */
+ if (*p == ',') {
+ ++i;
+ *p = 0; /* nul-terminate each member string. */
+ if (!*++p || (*p == ',') || isspace(*p)) {
+ goto ERR;
+ }
+ }
+ } while (*++p);
+ }
+
+ /* Now align (p+1), rounding up. */
+ /* Assumes sizeof(char **) is a power of 2. */
+ members = (char **)( (((intptr_t) p) + sizeof(char **))
+ & ~((intptr_t)(sizeof(char **) - 1)) );
+
+ if (((char *)(members + i)) > end_of_buf) { /* No space. */
+ break;
+ }
+
+ ((struct group *) data)->gr_mem = members;
+
+ if (--i) {
+ p = endptr; /* Pointing to char prior to first member. */
+ do {
+ *members++ = ++p;
+ if (!--i) break;
+ while (*++p) {}
+ } while (1);
+ }
+ *members = NULL;
+
+ return 0;
+ }
+ } while (1);
+
+ ERR:
+ return -1;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L___parsespent
+
+static const unsigned char sp_off[] = {
+ offsetof(struct spwd, sp_namp), /* 0 */
+ offsetof(struct spwd, sp_pwdp), /* 1 */
+ offsetof(struct spwd, sp_lstchg), /* 2 - not a char ptr */
+ offsetof(struct spwd, sp_min), /* 3 - not a char ptr */
+ offsetof(struct spwd, sp_max), /* 4 - not a char ptr */
+ offsetof(struct spwd, sp_warn), /* 5 - not a char ptr */
+ offsetof(struct spwd, sp_inact), /* 6 - not a char ptr */
+ offsetof(struct spwd, sp_expire), /* 7 - not a char ptr */
+ offsetof(struct spwd, sp_flag) /* 8 - not a char ptr */
+};
+
+int __parsespent(void *data, char * line)
+{
+ char *endptr;
+ char *p;
+ int i;
+
+ i = 0;
+ do {
+ p = ((char *) ((struct spwd *) data)) + sp_off[i];
+ if (i < 2) {
+ *((char **) p) = line;
+ if (!(line = strchr(line, ':'))) {
+ break;
+ }
+ } else {
+#if 0
+ if (i==5) { /* Support for old format. */
+ while (isspace(*line)) ++line; /* glibc eats space here. */
+ if (!*line) {
+ ((struct spwd *) data)->sp_warn = -1;
+ ((struct spwd *) data)->sp_inact = -1;
+ ((struct spwd *) data)->sp_expire = -1;
+ ((struct spwd *) data)->sp_flag = ~0UL;
+ return 0;
+ }
+ }
+#endif
+
+ *((long *) p) = (long) strtoul(line, &endptr, 10);
+
+ if (endptr == line) {
+ *((long *) p) = ((i != 8) ? -1L : ((long)(~0UL)));
+ }
+
+ line = endptr;
+
+ if (i == 8) {
+ if (!*endptr) {
+ return 0;
+ }
+ break;
+ }
+
+ if (*endptr != ':') {
+ break;
+ }
+
+ }
+
+ *line++ = 0;
+ ++i;
+ } while (1);
+
+ return EINVAL;
+}
+
+#endif
+/**********************************************************************/
+#ifdef L___pgsreader
+
+/* Reads until if EOF, or until if finds a line which fits in the buffer
+ * and for which the parser function succeeds.
+ *
+ * Returns 0 on success and ENOENT for end-of-file (glibc concession).
+ */
+
+int __pgsreader(int (*__parserfunc)(void *d, char *line), void *data,
+ char *__restrict line_buff, size_t buflen, FILE *f)
+{
+ int line_len;
+ int skip;
+ int rv = ERANGE;
+
+ if (buflen < PWD_BUFFER_SIZE) {
+ errno=rv;
+ } else {
+ skip = 0;
+ do {
+ if (!fgets_unlocked(line_buff, buflen, f)) {
+ if (feof_unlocked(f)) {
+ rv = ENOENT;
+ }
+ break;
+ }
+
+ line_len = strlen(line_buff) - 1; /* strlen() must be > 0. */
+ if (line_buff[line_len] == '\n') {
+ line_buff[line_len] = 0;
+ } else if (line_len + 2 == buflen) { /* line too long */
+ ++skip;
+ continue;
+ }
+
+ if (skip) {
+ --skip;
+ continue;
+ }
+
+ /* NOTE: glibc difference - glibc strips leading whitespace from
+ * records. We do not allow leading whitespace. */
+
+ /* Skip empty lines, comment lines, and lines with leading
+ * whitespace. */
+ if (*line_buff && (*line_buff != '#') && !isspace(*line_buff)) {
+ if (__parserfunc == __parsegrent) { /* Do evil group hack. */
+ /* The group entry parsing function needs to know where
+ * the end of the buffer is so that it can construct the
+ * group member ptr table. */
+ ((struct group *) data)->gr_name = line_buff + buflen;
+ }
+
+ if (!__parserfunc(data, line_buff)) {
+ rv = 0;
+ break;
+ }
+ }
+ } while (1);
+
+ }
+
+ return rv;
+}
+
+#endif
+/**********************************************************************/
+++ /dev/null
-/*
- * pwent.c - This file is part of the libc-8086/pwd package for ELKS,
- * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <unistd.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <fcntl.h>
-
-#include "busybox.h"
-#include "pwd_.h"
-
-/*
- * setpwent(), endpwent(), and getpwent() are included in the same object
- * file, since one cannot be used without the other two, so it makes sense to
- * link them all in together.
- */
-
-/* file descriptor for the password file currently open */
-static int pw_fd = -1;
-
-void setpwent(void)
-{
- if (pw_fd != -1)
- close(pw_fd);
-
- pw_fd = open(bb_path_passwd_file, O_RDONLY);
-}
-
-void endpwent(void)
-{
- if (pw_fd != -1)
- close(pw_fd);
- pw_fd = -1;
-}
-
-struct passwd *getpwent(void)
-{
- if (pw_fd != -1)
- return (__getpwent(pw_fd));
- return NULL;
-}
+++ /dev/null
-/* vi: set sw=4 ts=4: */
-/*
- * Taken from the set of syscalls for uClibc
- *
- * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Library General Public License as published by
- * the Free Software Foundation; either version 2 of the License, 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 Library General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "busybox.h"
-
-#include <errno.h>
-#include <unistd.h>
-#include <features.h>
-#include <sys/types.h>
-/* Kernel headers before 2.1.mumble need this on the Alpha to get
- _syscall* defined. */
-#define __LIBRARY__
-#include <sys/syscall.h>
-#include "grp_.h"
-
-int setgroups(size_t size, const gid_t * list)
-{
- return(syscall(__NR_setgroups, size, list));
-}
-
-
+++ /dev/null
-/* vi: set sw=4 ts=4: */
-/*
- * Copyright 1989 - 1994, Julianne Frances Haugh
- * <jockgrrl@austin.rr.com>, <jfh@austin.ibm.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.
- */
-
-/* TODO: fgetspent_r.c getspent_r.c getspnam_r.c sgetspent_r.c
- * lckpwdf ulckpwdf
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "busybox.h"
-#include "shadow_.h"
-
-static FILE *shadow;
-static char spwbuf[BUFSIZ];
-static struct spwd spwd;
-
-#define FIELDS 9
-#define OFIELDS 5
-
-/* setspent - initialize access to shadow text and DBM files */
-void setspent(void)
-{
- if (shadow) {
- rewind(shadow);
- } else {
- shadow = bb_xfopen(bb_path_shadow_file, "r");
- }
-}
-
-/* endspent - terminate access to shadow text and DBM files */
-void endspent(void)
-{
- if (shadow)
- (void) fclose(shadow);
- shadow = (FILE *) 0;
-}
-
-/* getspent - get a (struct spwd *) from the current shadow file */
-struct spwd *getspent(void)
-{
- if (!shadow)
- setspent();
- return (fgetspent(shadow));
-}
-
-/* getspnam - get a shadow entry by name */
-struct spwd *getspnam(const char *name)
-{
- struct spwd *sp;
-
- if (!name || !strlen(name))
- return NULL;
-
- setspent();
- while ((sp = getspent()) != NULL) {
- if (strcmp(name, sp->sp_namp) == 0)
- break;
- }
- endspent();
- return (sp);
-}
-
-
-/* sgetspent - convert string in shadow file format to (struct spwd *) */
-/* returns NULL on error */
-struct spwd *sgetspent(const char *string)
-{
- char *fields[FIELDS];
- char *cp;
- char *cpp;
- int i;
-
- /*
- * Copy string to local buffer. It has to be tokenized and we
- * have to do that to our private copy.
- */
-
- if (strlen(string) >= sizeof spwbuf)
- /* return 0; */
- return NULL;
- strcpy(spwbuf, string);
-
- if ((cp = strrchr(spwbuf, '\n')))
- *cp = '\0';
-
- /*
- * Tokenize the string into colon separated fields. Allow up to
- * FIELDS different fields.
- */
-
- for (cp = spwbuf, i = 0; *cp && i < FIELDS; i++) {
- fields[i] = cp;
- while (*cp && *cp != ':')
- cp++;
-
- if (*cp)
- *cp++ = '\0';
- }
-
- /*
- * It is acceptable for the last SVR4 field to be blank. This
- * results in the loop being terminated early. In which case,
- * we just make the last field be blank and be done with it.
- */
-
- if (i == (FIELDS - 1))
- fields[i++] = cp;
-
- if ((cp && *cp) || (i != FIELDS && i != OFIELDS))
- /* return 0; */
- return NULL;
-
- /*
- * Start populating the structure. The fields are all in
- * static storage, as is the structure we pass back. If we
- * ever see a name with '+' as the first character, we try
- * to turn on NIS processing.
- */
-
- spwd.sp_namp = fields[0];
- spwd.sp_pwdp = fields[1];
-
- /*
- * Get the last changed date. For all of the integer fields,
- * we check for proper format. It is an error to have an
- * incorrectly formatted number, unless we are using NIS.
- */
-
- if ((spwd.sp_lstchg = strtol(fields[2], &cpp, 10)) == 0 && *cpp) {
- /* return 0; */
- return NULL;
- } else if (fields[2][0] == '\0')
- spwd.sp_lstchg = -1;
-
- /*
- * Get the minimum period between password changes.
- */
-
- if ((spwd.sp_min = strtol(fields[3], &cpp, 10)) == 0 && *cpp) {
- /* return 0; */
- return NULL;
- } else if (fields[3][0] == '\0')
- spwd.sp_min = -1;
-
- /*
- * Get the maximum number of days a password is valid.
- */
-
- if ((spwd.sp_max = strtol(fields[4], &cpp, 10)) == 0 && *cpp) {
- /* return 0; */
- return NULL;
- } else if (fields[4][0] == '\0')
- spwd.sp_max = -1;
-
- /*
- * If there are only OFIELDS fields (this is a SVR3.2 /etc/shadow
- * formatted file), initialize the other field members to -1.
- */
-
- if (i == OFIELDS) {
- spwd.sp_warn = spwd.sp_inact = spwd.sp_expire = spwd.sp_flag = -1;
-
- return &spwd;
- }
-
- /*
- * The rest of the fields are mandatory for SVR4, but optional
- * for anything else. However, if one is present the others
- * must be as well.
- */
-
- /*
- * Get the number of days of password expiry warning.
- */
-
- if ((spwd.sp_warn = strtol(fields[5], &cpp, 10)) == 0 && *cpp) {
- /* return 0; */
- return NULL;
- } else if (fields[5][0] == '\0')
- spwd.sp_warn = -1;
-
- /*
- * Get the number of days of inactivity before an account is
- * disabled.
- */
-
- if ((spwd.sp_inact = strtol(fields[6], &cpp, 10)) == 0 && *cpp) {
- /* return 0; */
- return NULL;
- } else if (fields[6][0] == '\0')
- spwd.sp_inact = -1;
-
- /*
- * Get the number of days after the epoch before the account is
- * set to expire.
- */
-
- if ((spwd.sp_expire = strtol(fields[7], &cpp, 10)) == 0 && *cpp) {
- /* return 0; */
- return NULL;
- } else if (fields[7][0] == '\0')
- spwd.sp_expire = -1;
-
- /*
- * This field is reserved for future use. But it isn't supposed
- * to have anything other than a valid integer in it.
- */
-
- if ((spwd.sp_flag = strtol(fields[8], &cpp, 10)) == 0 && *cpp) {
- /* return 0; */
- return NULL;
- } else if (fields[8][0] == '\0')
- spwd.sp_flag = -1;
-
- return (&spwd);
-}
-
-/* fgetspent - get an entry from an /etc/shadow formatted stream */
-struct spwd *fgetspent(FILE *fp)
-{
- char buf[BUFSIZ];
- char *cp;
-
- if (!fp)
- /* return (0); */
- return NULL;
-
- if (fgets(buf, sizeof buf, fp) != (char *) 0) {
- if ((cp = strchr(buf, '\n')))
- *cp = '\0';
- return (sgetspent(buf));
- }
- /* return 0; */
- return NULL;
-}
-
-/*
- * putspent - put a (struct spwd *) into the (FILE *) you provide.
- *
- * this was described in shadow_.h but not implemented, so here
- * I go. -beppu
- *
- */
-int putspent(const struct spwd *sp, FILE *fp)
-{
- int ret;
-
- /* seek to end */
- ret = fseek(fp, 0, SEEK_END);
- if (ret == -1) {
- /* return -1; */
- return 1;
- }
-
- /* powered by fprintf */
- fprintf(fp, "%s:%s:%ld:%ld:%ld:%ld:%ld:%ld:%s\n", sp->sp_namp, /* login name */
- sp->sp_pwdp, /* encrypted password */
- sp->sp_lstchg, /* date of last change */
- sp->sp_min, /* minimum number of days between changes */
- sp->sp_max, /* maximum number of days between changes */
- sp->sp_warn, /* number of days of warning before password expires */
- sp->sp_inact, /* number of days after password expires until
- the account becomes unusable */
- sp->sp_expire, /* days since 1/1/70 until account expires */
- "");
- return 0;
-}
-
-
projects / oweals / busybox.git / commitdiff