diff options
Diffstat (limited to 'release/src/router/busybox/libpwdgrp')
21 files changed, 1282 insertions, 1295 deletions
diff --git a/release/src/router/busybox/libpwdgrp/Kbuild b/release/src/router/busybox/libpwdgrp/Kbuild new file mode 100644 index 00000000..f9f1ddbf --- /dev/null +++ b/release/src/router/busybox/libpwdgrp/Kbuild @@ -0,0 +1,9 @@ +# Makefile for busybox +# +# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> +# +# Licensed under the GPL v2, see the file LICENSE in this tarball. + +lib-y := uidgid_get.o + +lib-$(CONFIG_USE_BB_PWD_GRP) += pwd_grp.o diff --git a/release/src/router/busybox/libpwdgrp/Makefile b/release/src/router/busybox/libpwdgrp/Makefile deleted file mode 100644 index 5c54be32..00000000 --- a/release/src/router/busybox/libpwdgrp/Makefile +++ /dev/null @@ -1,30 +0,0 @@ -# Makefile for busybox -# -# Copyright (C) 1999-2003 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 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 -# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -# - -TOPDIR:= ../ -LIBPWDGRP_DIR:=./ -include $(TOPDIR).config -include $(TOPDIR)Rules.mak -include Makefile.in -all: $(libraries-y) --include $(TOPDIR).depend - -clean: - rm -f *.o *.a $(AR_TARGET) - diff --git a/release/src/router/busybox/libpwdgrp/Makefile.in b/release/src/router/busybox/libpwdgrp/Makefile.in deleted file mode 100755 index 886639e1..00000000 --- a/release/src/router/busybox/libpwdgrp/Makefile.in +++ /dev/null @@ -1,35 +0,0 @@ -# Makefile for busybox -# -# Copyright (C) 1999-2003 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 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 -# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -# - -LIBPWDGRP_AR:=libpwdgrp.a -ifndef $(LIBPWDGRP_DIR) -LIBPWDGRP_DIR:=$(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 - -libraries-y+=$(LIBPWDGRP_DIR)$(LIBPWDGRP_AR) - -$(LIBPWDGRP_DIR)$(LIBPWDGRP_AR): $(patsubst %,$(LIBPWDGRP_DIR)%, $(LIBPWDGRP-y)) - $(AR) -ro $@ $(patsubst %,$(LIBPWDGRP_DIR)%, $(LIBPWDGRP-y)) - diff --git a/release/src/router/busybox/libpwdgrp/__getgrent.c b/release/src/router/busybox/libpwdgrp/__getgrent.c deleted file mode 100644 index 39230104..00000000 --- a/release/src/router/busybox/libpwdgrp/__getgrent.c +++ /dev/null @@ -1,203 +0,0 @@ -/* - * __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 becasue 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 *__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; -} diff --git a/release/src/router/busybox/libpwdgrp/__getpwent.c b/release/src/router/busybox/libpwdgrp/__getpwent.c deleted file mode 100644 index 1b38c27e..00000000 --- a/release/src/router/busybox/libpwdgrp/__getpwent.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * __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; -} diff --git a/release/src/router/busybox/libpwdgrp/fgetgrent.c b/release/src/router/busybox/libpwdgrp/fgetgrent.c deleted file mode 100644 index 1492a1a9..00000000 --- a/release/src/router/busybox/libpwdgrp/fgetgrent.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * 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 __getgrent(fileno(file)); -} diff --git a/release/src/router/busybox/libpwdgrp/fgetpwent.c b/release/src/router/busybox/libpwdgrp/fgetpwent.c deleted file mode 100644 index 54c3b3ad..00000000 --- a/release/src/router/busybox/libpwdgrp/fgetpwent.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * 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)); -} diff --git a/release/src/router/busybox/libpwdgrp/getgrgid.c b/release/src/router/busybox/libpwdgrp/getgrgid.c deleted file mode 100644 index 7ffe8c5c..00000000 --- a/release/src/router/busybox/libpwdgrp/getgrgid.c +++ /dev/null @@ -1,44 +0,0 @@ -/* - * 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 = __getgrent(grp_fd)) != NULL) - if (group->gr_gid == gid) { - close(grp_fd); - return group; - } - - close(grp_fd); - return NULL; -} diff --git a/release/src/router/busybox/libpwdgrp/getgrnam.c b/release/src/router/busybox/libpwdgrp/getgrnam.c deleted file mode 100644 index bf7f7646..00000000 --- a/release/src/router/busybox/libpwdgrp/getgrnam.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * 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 = __getgrent(grp_fd)) != NULL) - if (!strcmp(group->gr_name, name)) { - close(grp_fd); - return group; - } - - close(grp_fd); - return NULL; -} diff --git a/release/src/router/busybox/libpwdgrp/getpw.c b/release/src/router/busybox/libpwdgrp/getpw.c deleted file mode 100644 index d46e2c7d..00000000 --- a/release/src/router/busybox/libpwdgrp/getpw.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - * 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; -} diff --git a/release/src/router/busybox/libpwdgrp/getpwnam.c b/release/src/router/busybox/libpwdgrp/getpwnam.c deleted file mode 100644 index 013f155b..00000000 --- a/release/src/router/busybox/libpwdgrp/getpwnam.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * 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; -} diff --git a/release/src/router/busybox/libpwdgrp/getpwuid.c b/release/src/router/busybox/libpwdgrp/getpwuid.c deleted file mode 100644 index bae6e15e..00000000 --- a/release/src/router/busybox/libpwdgrp/getpwuid.c +++ /dev/null @@ -1,44 +0,0 @@ -/* - * 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; -} diff --git a/release/src/router/busybox/libpwdgrp/grent.c b/release/src/router/busybox/libpwdgrp/grent.c deleted file mode 100644 index 609ed1a4..00000000 --- a/release/src/router/busybox/libpwdgrp/grent.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * 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 __getgrent(grp_fd); -} diff --git a/release/src/router/busybox/libpwdgrp/initgroups.c b/release/src/router/busybox/libpwdgrp/initgroups.c deleted file mode 100644 index ce63adb1..00000000 --- a/release/src/router/busybox/libpwdgrp/initgroups.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * 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 becasue 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 = __getgrent(grp_fd)) != NULL) -#else - while ((group = __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); -} diff --git a/release/src/router/busybox/libpwdgrp/putpwent.c b/release/src/router/busybox/libpwdgrp/putpwent.c deleted file mode 100644 index f6b3a257..00000000 --- a/release/src/router/busybox/libpwdgrp/putpwent.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * 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; -} diff --git a/release/src/router/busybox/libpwdgrp/pwd_grp.c b/release/src/router/busybox/libpwdgrp/pwd_grp.c new file mode 100644 index 00000000..56bfcbe9 --- /dev/null +++ b/release/src/router/busybox/libpwdgrp/pwd_grp.c @@ -0,0 +1,1077 @@ +/* vi: set sw=4 ts=4: */ +/* Copyright (C) 2003 Manuel Novoa III + * + * Licensed under GPL v2, or later. See file LICENSE in this tarball. + */ + +/* 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 statically allocated) + * buffers; especially for the group-related functions since + * large group member lists will cause error returns. + * + */ + +#include "libbb.h" +#include <features.h> +#include <assert.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 statically 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. */ + +static int bb__pgsreader(int (*parserfunc)(void *d, char *line), void *data, + char *__restrict line_buff, size_t buflen, FILE *f); + +static int bb__parsepwent(void *pw, char *line); +static int bb__parsegrent(void *gr, char *line); +#if ENABLE_USE_BB_SHADOW +static int bb__parsespent(void *sp, char *line); +#endif + +/**********************************************************************/ +/* We avoid having big global data. */ + +struct statics { + /* Smaller things first */ + struct passwd getpwuid_resultbuf; + struct group getgrgid_resultbuf; + struct passwd getpwnam_resultbuf; + struct group getgrnam_resultbuf; + + char getpwuid_buffer[PWD_BUFFER_SIZE]; + char getgrgid_buffer[GRP_BUFFER_SIZE]; + char getpwnam_buffer[PWD_BUFFER_SIZE]; + char getgrnam_buffer[GRP_BUFFER_SIZE]; +#if 0 + struct passwd fgetpwent_resultbuf; + struct group fgetgrent_resultbuf; + struct spwd fgetspent_resultbuf; + char fgetpwent_buffer[PWD_BUFFER_SIZE]; + char fgetgrent_buffer[GRP_BUFFER_SIZE]; + char fgetspent_buffer[PWD_BUFFER_SIZE]; +#endif +#if 0 //ENABLE_USE_BB_SHADOW + struct spwd getspuid_resultbuf; + struct spwd getspnam_resultbuf; + char getspuid_buffer[PWD_BUFFER_SIZE]; + char getspnam_buffer[PWD_BUFFER_SIZE]; +#endif +// Not converted - too small to bother +//pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER; +//FILE *pwf /*= NULL*/; +//FILE *grf /*= NULL*/; +//FILE *spf /*= NULL*/; +#if 0 + struct passwd getpwent_pwd; + struct group getgrent_gr; + char getpwent_line_buff[PWD_BUFFER_SIZE]; + char getgrent_line_buff[GRP_BUFFER_SIZE]; +#endif +#if 0 //ENABLE_USE_BB_SHADOW + struct spwd getspent_spwd; + struct spwd sgetspent_spwd; + char getspent_line_buff[PWD_BUFFER_SIZE]; + char sgetspent_line_buff[PWD_BUFFER_SIZE]; +#endif +}; + +static struct statics *ptr_to_statics; + +static struct statics *get_S(void) +{ + if (!ptr_to_statics) + ptr_to_statics = xzalloc(sizeof(*ptr_to_statics)); + return ptr_to_statics; +} + +/* Always use in this order, get_S() must be called first */ +#define RESULTBUF(name) &((S = get_S())->name##_resultbuf) +#define BUFFER(name) (S->name##_buffer) + +/**********************************************************************/ +/* For the various fget??ent_r funcs, return + * + * 0: success + * ENOENT: end-of-file encountered + * ERANGE: buflen too small + * other error values possible. See bb__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. + */ +/**********************************************************************/ + +int fgetpwent_r(FILE *__restrict stream, struct passwd *__restrict resultbuf, + char *__restrict buffer, size_t buflen, + struct passwd **__restrict result) +{ + int rv; + + *result = NULL; + + rv = bb__pgsreader(bb__parsepwent, resultbuf, buffer, buflen, stream); + if (!rv) { + *result = resultbuf; + } + + return rv; +} + +int fgetgrent_r(FILE *__restrict stream, struct group *__restrict resultbuf, + char *__restrict buffer, size_t buflen, + struct group **__restrict result) +{ + int rv; + + *result = NULL; + + rv = bb__pgsreader(bb__parsegrent, resultbuf, buffer, buflen, stream); + if (!rv) { + *result = resultbuf; + } + + return rv; +} + +#if ENABLE_USE_BB_SHADOW +int fgetspent_r(FILE *__restrict stream, struct spwd *__restrict resultbuf, + char *__restrict buffer, size_t buflen, + struct spwd **__restrict result) +{ + int rv; + + *result = NULL; + + rv = bb__pgsreader(bb__parsespent, resultbuf, buffer, buflen, stream); + if (!rv) { + *result = resultbuf; + } + + return rv; +} +#endif + +/**********************************************************************/ +/* For the various fget??ent funcs, return NULL on failure and a + * pointer to the appropriate struct (statically allocated) on success. + * TODO: audit & stop using these in bbox, they pull in static buffers */ +/**********************************************************************/ + +#if 0 +struct passwd *fgetpwent(FILE *stream) +{ + struct statics *S; + struct passwd *resultbuf = RESULTBUF(fgetpwent); + char *buffer = BUFFER(fgetpwent); + struct passwd *result; + + fgetpwent_r(stream, resultbuf, buffer, sizeof(BUFFER(fgetpwent)), &result); + return result; +} + +struct group *fgetgrent(FILE *stream) +{ + struct statics *S; + struct group *resultbuf = RESULTBUF(fgetgrent); + char *buffer = BUFFER(fgetgrent); + struct group *result; + + fgetgrent_r(stream, resultbuf, buffer, sizeof(BUFFER(fgetgrent)), &result); + return result; +} +#endif + +#if ENABLE_USE_BB_SHADOW +#if 0 +struct spwd *fgetspent(FILE *stream) +{ + struct statics *S; + struct spwd *resultbuf = RESULTBUF(fgetspent); + char *buffer = BUFFER(fgetspent); + struct spwd *result; + + fgetspent_r(stream, resultbuf, buffer, sizeof(BUFFER(fgetspent)), &result); + return result; +} +#endif + +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); + } + + rv = bb__parsespent(result_buf, buffer); + if (!rv) { + *result = result_buf; + } + + DONE: + return rv; +} +#endif + +/**********************************************************************/ + +#define GETXXKEY_R_FUNC getpwnam_r +#define GETXXKEY_R_PARSER bb__parsepwent +#define GETXXKEY_R_ENTTYPE struct passwd +#define GETXXKEY_R_TEST(ENT) (!strcmp((ENT)->pw_name, key)) +#define GETXXKEY_R_KEYTYPE const char *__restrict +#define GETXXKEY_R_PATHNAME _PATH_PASSWD +#include "pwd_grp_internal.c" + +#define GETXXKEY_R_FUNC getgrnam_r +#define GETXXKEY_R_PARSER bb__parsegrent +#define GETXXKEY_R_ENTTYPE struct group +#define GETXXKEY_R_TEST(ENT) (!strcmp((ENT)->gr_name, key)) +#define GETXXKEY_R_KEYTYPE const char *__restrict +#define GETXXKEY_R_PATHNAME _PATH_GROUP +#include "pwd_grp_internal.c" + +#if ENABLE_USE_BB_SHADOW +#define GETXXKEY_R_FUNC getspnam_r +#define GETXXKEY_R_PARSER bb__parsespent +#define GETXXKEY_R_ENTTYPE struct spwd +#define GETXXKEY_R_TEST(ENT) (!strcmp((ENT)->sp_namp, key)) +#define GETXXKEY_R_KEYTYPE const char *__restrict +#define GETXXKEY_R_PATHNAME _PATH_SHADOW +#include "pwd_grp_internal.c" +#endif + +#define GETXXKEY_R_FUNC getpwuid_r +#define GETXXKEY_R_PARSER bb__parsepwent +#define GETXXKEY_R_ENTTYPE struct passwd +#define GETXXKEY_R_TEST(ENT) ((ENT)->pw_uid == key) +#define GETXXKEY_R_KEYTYPE uid_t +#define GETXXKEY_R_PATHNAME _PATH_PASSWD +#include "pwd_grp_internal.c" + +#define GETXXKEY_R_FUNC getgrgid_r +#define GETXXKEY_R_PARSER bb__parsegrent +#define GETXXKEY_R_ENTTYPE struct group +#define GETXXKEY_R_TEST(ENT) ((ENT)->gr_gid == key) +#define GETXXKEY_R_KEYTYPE gid_t +#define GETXXKEY_R_PATHNAME _PATH_GROUP +#include "pwd_grp_internal.c" + +/**********************************************************************/ +/* TODO: audit & stop using these in bbox, they pull in static buffers */ + +/* This one has many users */ +struct passwd *getpwuid(uid_t uid) +{ + struct statics *S; + struct passwd *resultbuf = RESULTBUF(getpwuid); + char *buffer = BUFFER(getpwuid); + struct passwd *result; + + getpwuid_r(uid, resultbuf, buffer, sizeof(BUFFER(getpwuid)), &result); + return result; +} + +/* This one has many users */ +struct group *getgrgid(gid_t gid) +{ + struct statics *S; + struct group *resultbuf = RESULTBUF(getgrgid); + char *buffer = BUFFER(getgrgid); + struct group *result; + + getgrgid_r(gid, resultbuf, buffer, sizeof(BUFFER(getgrgid)), &result); + return result; +} + +#if 0 //ENABLE_USE_BB_SHADOW +/* 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; + rv = getpwuid_r(uid, &password, pwd_buff, sizeof(pwd_buff), &pp); + if (!rv) { + rv = getspnam_r(password.pw_name, resultbuf, buffer, buflen, result); + } + + return rv; +} + +/* This function is non-standard and is currently not built. + * Why it was added, I do not know. */ +struct spwd *getspuid(uid_t uid) +{ + struct statics *S; + struct spwd *resultbuf = RESULTBUF(getspuid); + char *buffer = BUFFER(getspuid); + struct spwd *result; + + getspuid_r(uid, resultbuf, buffer, sizeof(BUFFER(getspuid)), &result); + return result; +} +#endif + +/* This one has many users */ +struct passwd *getpwnam(const char *name) +{ + struct statics *S; + struct passwd *resultbuf = RESULTBUF(getpwnam); + char *buffer = BUFFER(getpwnam); + struct passwd *result; + + getpwnam_r(name, resultbuf, buffer, sizeof(BUFFER(getpwnam)), &result); + return result; +} + +/* This one has many users */ +struct group *getgrnam(const char *name) +{ + struct statics *S; + struct group *resultbuf = RESULTBUF(getgrnam); + char *buffer = BUFFER(getgrnam); + struct group *result; + + getgrnam_r(name, resultbuf, buffer, sizeof(BUFFER(getgrnam)), &result); + return result; +} + +#if 0 //ENABLE_USE_BB_SHADOW +struct spwd *getspnam(const char *name) +{ + struct statics *S; + struct spwd *resultbuf = RESULTBUF(getspnam); + char *buffer = BUFFER(getspnam); + struct spwd *result; + + getspnam_r(name, resultbuf, buffer, sizeof(BUFFER(getspnam)), &result); + return result; +} +#endif + +#ifdef THIS_ONE_IS_UNUSED +/* This one doesn't use static buffers */ +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 + +/**********************************************************************/ + +/* FIXME: we don't have such CONFIG_xx - ?! */ + +#if defined CONFIG_USE_BB_THREADSAFE_SHADOW && defined PTHREAD_MUTEX_INITIALIZER +static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER; +# define LOCK pthread_mutex_lock(&mylock) +# define UNLOCK pthread_mutex_unlock(&mylock); +#else +# define LOCK ((void) 0) +# define UNLOCK ((void) 0) +#endif + +static FILE *pwf /*= NULL*/; +void setpwent(void) +{ + LOCK; + if (pwf) { + rewind(pwf); + } + UNLOCK; +} + +void endpwent(void) +{ + LOCK; + if (pwf) { + fclose(pwf); + pwf = NULL; + } + UNLOCK; +} + + +int getpwent_r(struct passwd *__restrict resultbuf, + char *__restrict buffer, size_t buflen, + struct passwd **__restrict result) +{ + int rv; + + LOCK; + *result = NULL; /* In case of error... */ + + if (!pwf) { + pwf = fopen_for_read(_PATH_PASSWD); + if (!pwf) { + rv = errno; + goto ERR; + } + } + + rv = bb__pgsreader(bb__parsepwent, resultbuf, buffer, buflen, pwf); + if (!rv) { + *result = resultbuf; + } + + ERR: + UNLOCK; + return rv; +} + +static FILE *grf /*= NULL*/; +void setgrent(void) +{ + LOCK; + if (grf) { + rewind(grf); + } + UNLOCK; +} + +void endgrent(void) +{ + LOCK; + if (grf) { + fclose(grf); + grf = NULL; + } + UNLOCK; +} + +int getgrent_r(struct group *__restrict resultbuf, + char *__restrict buffer, size_t buflen, + struct group **__restrict result) +{ + int rv; + + LOCK; + *result = NULL; /* In case of error... */ + + if (!grf) { + grf = fopen_for_read(_PATH_GROUP); + if (!grf) { + rv = errno; + goto ERR; + } + } + + rv = bb__pgsreader(bb__parsegrent, resultbuf, buffer, buflen, grf); + if (!rv) { + *result = resultbuf; + } + + ERR: + UNLOCK; + return rv; +} + +#if ENABLE_USE_BB_SHADOW +static FILE *spf /*= NULL*/; +void setspent(void) +{ + LOCK; + if (spf) { + rewind(spf); + } + UNLOCK; +} + +void endspent(void) +{ + LOCK; + if (spf) { + fclose(spf); + spf = NULL; + } + UNLOCK; +} + +int getspent_r(struct spwd *resultbuf, char *buffer, + size_t buflen, struct spwd **result) +{ + int rv; + + LOCK; + *result = NULL; /* In case of error... */ + + if (!spf) { + spf = fopen_for_read(_PATH_SHADOW); + if (!spf) { + rv = errno; + goto ERR; + } + } + + rv = bb__pgsreader(bb__parsespent, resultbuf, buffer, buflen, spf); + if (!rv) { + *result = resultbuf; + } + + ERR: + UNLOCK; + return rv; +} +#endif + +#if 0 +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; +} + +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 + +#if 0 //ENABLE_USE_BB_SHADOW +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; +} + +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 + +static gid_t *getgrouplist_internal(int *ngroups_ptr, const char *user, gid_t gid) +{ + FILE *grfile; + gid_t *group_list; + int ngroups; + struct group group; + char buff[PWD_BUFFER_SIZE]; + + /* We alloc space for 8 gids at a time. */ + group_list = xmalloc(8 * sizeof(group_list[0])); + group_list[0] = gid; + ngroups = 1; + + grfile = fopen_for_read(_PATH_GROUP); + if (grfile) { + while (!bb__pgsreader(bb__parsegrent, &group, buff, sizeof(buff), grfile)) { + char **m; + assert(group.gr_mem); /* Must have at least a NULL terminator. */ + if (group.gr_gid == gid) + continue; + for (m = group.gr_mem; *m; m++) { + if (strcmp(*m, user) != 0) + continue; + group_list = xrealloc_vector(group_list, 3, ngroups); + group_list[ngroups++] = group.gr_gid; + break; + } + } + fclose(grfile); + } + *ngroups_ptr = ngroups; + return group_list; +} + +int initgroups(const char *user, gid_t gid) +{ + int ngroups; + gid_t *group_list = getgrouplist_internal(&ngroups, user, gid); + + ngroups = setgroups(ngroups, group_list); + free(group_list); + return ngroups; +} + +int getgrouplist(const char *user, gid_t gid, gid_t *groups, int *ngroups) +{ + int ngroups_old = *ngroups; + gid_t *group_list = getgrouplist_internal(ngroups, user, gid); + + if (*ngroups <= ngroups_old) { + ngroups_old = *ngroups; + memcpy(groups, group_list, ngroups_old * sizeof(groups[0])); + } else { + ngroups_old = -1; + } + free(group_list); + return ngroups_old; +} + +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; +} + +int putgrent(const struct group *__restrict p, FILE *__restrict f) +{ + static const char format[] ALIGN1 = ",%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('\n', f) >= 0) { + rv = 0; + } + break; + } + if (fprintf(f, fmt, *m) < 0) { + break; + } + ++m; + fmt = format; + } while (1); + + } + + } + + return rv; +} + +#if ENABLE_USE_BB_SHADOW +static const unsigned char _sp_off[] ALIGN1 = { + 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[] ALIGN1 = "%ld:"; + + const char *f; + long 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; + x = *(const long *)(((const char *) p) + _sp_off[i]); + if (x == -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('\n', stream) > 0) { + rv = 0; + } + +DO_UNLOCK: + return rv; +} +#endif + +/**********************************************************************/ +/* Internal uClibc functions. */ +/**********************************************************************/ + +static const unsigned char pw_off[] ALIGN1 = { + 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 */ +}; + +static int bb__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. */ + line = strchr(line, ':'); + if (!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; +} + +/**********************************************************************/ + +static const unsigned char gr_off[] ALIGN1 = { + offsetof(struct group, gr_name), /* 0 */ + offsetof(struct group, gr_passwd), /* 1 */ + offsetof(struct group, gr_gid) /* 2 - not a char ptr */ +}; + +static int bb__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; + line = strchr(line, ':'); + if (!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; +} + +/**********************************************************************/ + +#if ENABLE_USE_BB_SHADOW +static const unsigned char sp_off[] ALIGN1 = { + 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 */ +}; + +static int bb__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; + line = strchr(line, ':'); + if (!line) { + break; + } + } else { + *((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 + +/**********************************************************************/ + +/* 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). + */ + +static int bb__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(line_buff, buflen, f)) { + if (feof(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 == bb__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; +} diff --git a/release/src/router/busybox/libpwdgrp/pwd_grp_internal.c b/release/src/router/busybox/libpwdgrp/pwd_grp_internal.c new file mode 100644 index 00000000..ffdc85e4 --- /dev/null +++ b/release/src/router/busybox/libpwdgrp/pwd_grp_internal.c @@ -0,0 +1,62 @@ +/* vi: set sw=4 ts=4: */ +/* Copyright (C) 2003 Manuel Novoa III + * + * Licensed under GPL v2, or later. See file LICENSE in this tarball. + */ + +/* 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 statically allocated) + * buffers; especially for the group-related functions since + * large group member lists will cause error returns. + * + */ + +#ifndef GETXXKEY_R_FUNC +#error GETXXKEY_R_FUNC is not defined! +#endif + +int GETXXKEY_R_FUNC(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; + + stream = fopen_for_read(GETXXKEY_R_PATHNAME); + if (!stream) + return errno; + while (1) { + rv = bb__pgsreader(GETXXKEY_R_PARSER, resultbuf, buffer, buflen, stream); + if (!rv) { + if (GETXXKEY_R_TEST(resultbuf)) { /* Found key? */ + *result = resultbuf; + break; + } + } else { + if (rv == ENOENT) { /* end-of-file encountered. */ + rv = 0; + } + break; + } + } + fclose(stream); + + return rv; +} + +#undef GETXXKEY_R_FUNC +#undef GETXXKEY_R_PARSER +#undef GETXXKEY_R_ENTTYPE +#undef GETXXKEY_R_TEST +#undef GETXXKEY_R_KEYTYPE +#undef GETXXKEY_R_PATHNAME diff --git a/release/src/router/busybox/libpwdgrp/pwent.c b/release/src/router/busybox/libpwdgrp/pwent.c deleted file mode 100644 index f7f8581f..00000000 --- a/release/src/router/busybox/libpwdgrp/pwent.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * 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; -} diff --git a/release/src/router/busybox/libpwdgrp/setgroups.c b/release/src/router/busybox/libpwdgrp/setgroups.c deleted file mode 100644 index 449e811d..00000000 --- a/release/src/router/busybox/libpwdgrp/setgroups.c +++ /dev/null @@ -1,40 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Taken from the set of syscalls for uClibc - * - * Copyright (C) 1999-2003 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)); -} - - diff --git a/release/src/router/busybox/libpwdgrp/shadow.c b/release/src/router/busybox/libpwdgrp/shadow.c deleted file mode 100644 index 9e218f96..00000000 --- a/release/src/router/busybox/libpwdgrp/shadow.c +++ /dev/null @@ -1,300 +0,0 @@ -/* 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; -} - - diff --git a/release/src/router/busybox/libpwdgrp/uidgid_get.c b/release/src/router/busybox/libpwdgrp/uidgid_get.c new file mode 100644 index 00000000..92290bfd --- /dev/null +++ b/release/src/router/busybox/libpwdgrp/uidgid_get.c @@ -0,0 +1,134 @@ +/* +Copyright (c) 2001-2006, Gerrit Pape +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. The name of the author may not be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. +*/ + +#include "libbb.h" + +/* Always sets uid and gid */ +int FAST_FUNC get_uidgid(struct bb_uidgid_t *u, const char *ug, int numeric_ok) +{ + struct passwd *pwd; + struct group *gr; + char *user, *group; + unsigned n; + + user = (char*)ug; + group = strchr(ug, ':'); + if (group) { + int sz = (++group) - ug; + user = alloca(sz); + /* copies sz-1 bytes, stores terminating '\0' */ + safe_strncpy(user, ug, sz); + } + if (numeric_ok) { + n = bb_strtou(user, NULL, 10); + if (!errno) { + u->uid = n; + pwd = getpwuid(n); + /* If we have e.g. "500" string without user */ + /* with uid 500 in /etc/passwd, we set gid == uid */ + u->gid = pwd ? pwd->pw_gid : n; + goto skip; + } + } + /* Either it is not numeric, or caller disallows numeric username */ + pwd = getpwnam(user); + if (!pwd) + return 0; + u->uid = pwd->pw_uid; + u->gid = pwd->pw_gid; + + skip: + if (group) { + if (numeric_ok) { + n = bb_strtou(group, NULL, 10); + if (!errno) { + u->gid = n; + return 1; + } + } + gr = getgrnam(group); + if (!gr) return 0; + u->gid = gr->gr_gid; + } + return 1; +} +void FAST_FUNC xget_uidgid(struct bb_uidgid_t *u, const char *ug) +{ + if (!get_uidgid(u, ug, 1)) + bb_error_msg_and_die("unknown user/group %s", ug); +} + +/* chown-like: + * "user" sets uid only, + * ":group" sets gid only + * "user:" sets uid and gid (to user's primary group id) + * "user:group" sets uid and gid + * ('unset' uid or gid retains the value it has on entry) + */ +void FAST_FUNC parse_chown_usergroup_or_die(struct bb_uidgid_t *u, char *user_group) +{ + char *group; + + /* Check if there is a group name */ + group = strchr(user_group, '.'); /* deprecated? */ + if (!group) + group = strchr(user_group, ':'); + else + *group = ':'; /* replace '.' with ':' */ + + /* Parse "user[:[group]]" */ + if (!group) { /* "user" */ + u->uid = get_ug_id(user_group, xuname2uid); + } else if (group == user_group) { /* ":group" */ + u->gid = get_ug_id(group + 1, xgroup2gid); + } else { + if (!group[1]) /* "user:" */ + *group = '\0'; + xget_uidgid(u, user_group); + } +} + +#if 0 +#include <stdio.h> +int main() +{ + unsigned u; + struct bb_uidgid_t ug; + u = get_uidgid(&ug, "apache", 0); + printf("%u = %u:%u\n", u, ug.uid, ug.gid); + ug.uid = ug.gid = 1111; + u = get_uidgid(&ug, "apache", 0); + printf("%u = %u:%u\n", u, ug.uid, ug.gid); + ug.uid = ug.gid = 1111; + u = get_uidgid(&ug, "apache:users", 0); + printf("%u = %u:%u\n", u, ug.uid, ug.gid); + ug.uid = ug.gid = 1111; + u = get_uidgid(&ug, "apache:users", 0); + printf("%u = %u:%u\n", u, ug.uid, ug.gid); + return 0; +} +#endif |