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authorEric Andersen <andersen@codepoet.org>2003-10-10 07:34:27 +0000
committerEric Andersen <andersen@codepoet.org>2003-10-10 07:34:27 +0000
commit56104838733c81ba410ac41f767ac72267049489 (patch)
tree54057d78cdae893235b86787a735629396d857a5 /libc
parent61011662018fa98c4610c1ae826e417678cd5c80 (diff)
Implement getgrgid_r and getgrnam_r. Rework group handling code to be fully
reentrant, since there was still a shared static value. indent stuff,
Diffstat (limited to 'libc')
-rw-r--r--libc/pwd_grp/Makefile4
-rw-r--r--libc/pwd_grp/__getgrent.c121
-rw-r--r--libc/pwd_grp/__getgrent_r.c114
-rw-r--r--libc/pwd_grp/__getpwent_r.c77
-rw-r--r--libc/pwd_grp/__getspent_r.c46
-rw-r--r--libc/pwd_grp/__sgetspent_r.c58
-rw-r--r--libc/pwd_grp/config.h4
-rw-r--r--libc/pwd_grp/fgetgrent.c51
-rw-r--r--libc/pwd_grp/fgetpwent.c40
-rw-r--r--libc/pwd_grp/fgetspent.c40
-rw-r--r--libc/pwd_grp/getgrgid.c60
-rw-r--r--libc/pwd_grp/getgrnam.c63
-rw-r--r--libc/pwd_grp/getpw.c8
-rw-r--r--libc/pwd_grp/getpwnam.c59
-rw-r--r--libc/pwd_grp/getpwuid.c49
-rw-r--r--libc/pwd_grp/getspnam.c54
-rw-r--r--libc/pwd_grp/getspuid.c44
-rw-r--r--libc/pwd_grp/grent.c58
-rw-r--r--libc/pwd_grp/initgroups.c67
-rw-r--r--libc/pwd_grp/lckpwdf.c227
-rw-r--r--libc/pwd_grp/putpwent.c8
-rw-r--r--libc/pwd_grp/putspent.c1
-rw-r--r--libc/pwd_grp/pwent.c60
-rw-r--r--libc/pwd_grp/sgetspent.c34
-rw-r--r--libc/pwd_grp/spent.c62
25 files changed, 738 insertions, 671 deletions
diff --git a/libc/pwd_grp/Makefile b/libc/pwd_grp/Makefile
index c34142d6b..06ba857f0 100644
--- a/libc/pwd_grp/Makefile
+++ b/libc/pwd_grp/Makefile
@@ -25,7 +25,7 @@ TOPDIR=../../
include $(TOPDIR)Rules.mak
CSRC= pwent.c getpwnam.c getpwuid.c putpwent.c getpw.c fgetpwent.c \
- __getgrent.c grent.c getgrnam.c getgrgid.c fgetgrent.c \
+ __getgrent_r.c grent.c getgrnam.c getgrgid.c fgetgrent.c \
initgroups.c __getpwent_r.c
ifeq ($(HAS_SHADOW),y)
@@ -49,7 +49,7 @@ $(COBJS): %.o : %.c
$(OBJ): Makefile
-__getgrent.c: config.h
+__getgrent_r.c: config.h
initgroups.c: config.h
clean:
diff --git a/libc/pwd_grp/__getgrent.c b/libc/pwd_grp/__getgrent.c
deleted file mode 100644
index ad0b8beb5..000000000
--- a/libc/pwd_grp/__getgrent.c
+++ /dev/null
@@ -1,121 +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 <features.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include "config.h"
-
-
-#ifdef __UCLIBC_HAS_THREADS__
-#include <pthread.h>
-/* This function should always be called under lock, so we
- * do not lock things in here... */
-pthread_mutex_t __getgrent_lock = PTHREAD_MUTEX_INITIALIZER;
-#endif
-
-/*
- * 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, char *line_buff, char **members)
-{
- short line_index;
- short buff_size;
- 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:
- line_index = 0;
- buff_size = 256;
-
- 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);
- }
- }
-
- /* 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;
-
- if (members != NULL)
- 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;
-
- group.gr_mem = members;
- return &group;
-}
diff --git a/libc/pwd_grp/__getgrent_r.c b/libc/pwd_grp/__getgrent_r.c
new file mode 100644
index 000000000..69559bdb1
--- /dev/null
+++ b/libc/pwd_grp/__getgrent_r.c
@@ -0,0 +1,114 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * __getgrent.c - This file is part of the libc-8086/grp package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
+ *
+ * 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 <features.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "config.h"
+
+
+/*
+ * 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.
+ */
+int __getgrent_r (struct group *__restrict group,
+ char *__restrict line_buff, size_t buflen, int grp_fd)
+{
+ char *endptr, *field_begin, **members;
+ int i, line_len, member_num = 0;
+
+
+ if (buflen<GRP_BUFFER_SIZE) {
+ return ERANGE;
+ }
+
+ /* We use the restart label to handle malformatted lines */
+restart:
+ /* Read the group line into the buffer for processing */
+ if ((line_len = read(grp_fd, line_buff, buflen)) <= 0) {
+ return EIO;
+ }
+ 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, buflen)) <= 0) {
+ return EIO;
+ }
+ } 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';
+
+ /* We've read the line; now parse it. */
+ field_begin = line_buff;
+ for (i = 0; i < 3; i++) {
+ switch (i) {
+ case 0:
+ group->gr_name = field_begin;
+ break;
+ case 1:
+ group->gr_passwd = field_begin;
+ break;
+ case 2:
+ group->gr_gid = (__gid_t) strtoul(field_begin, &endptr, 10);
+ if (*endptr != ':')
+ goto restart;
+ break;
+ }
+ if (i < 3) {
+ field_begin = strchr(field_begin, ':');
+ if (field_begin == NULL)
+ break;
+ *field_begin++ = '\0';
+ }
+ }
+
+ members = (char **) malloc(sizeof(char *));
+ if (members==NULL) {
+ return ENOMEM;
+ }
+ while(field_begin && strlen(field_begin)) {
+ members[member_num++] = field_begin;
+ members = (char **) realloc(members, (member_num + 1) * sizeof(char *));
+ if (members==NULL) {
+ return ENOMEM;
+ }
+ endptr = strchr(field_begin, ',');
+ if (endptr == NULL) {
+ /* Final entry */
+ break;
+ }
+ *field_begin++ = '\0';
+ }
+ members[member_num] = NULL;
+ group->gr_mem = members;
+ return 0;
+}
diff --git a/libc/pwd_grp/__getpwent_r.c b/libc/pwd_grp/__getpwent_r.c
index 5cfdd89ba..6e6de4038 100644
--- a/libc/pwd_grp/__getpwent_r.c
+++ b/libc/pwd_grp/__getpwent_r.c
@@ -1,7 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* __getpwent_r.c - This file is part of the libc-8086/pwd package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
- * Copyright (C) 2001 Erik Andersen <andersee@debian.org>
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -18,6 +19,7 @@
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* March 7, 2001 -- Reworked to be reentrant by Erik Andersen
+ * Oct 9, 2003 -- Reworked again by Erik Andersen to be fully reentrant
*/
#include <stdlib.h>
@@ -36,38 +38,35 @@
int __getpwent_r(struct passwd * passwd, char * line_buff, size_t buflen, int pwd_fd)
{
- char *field_begin;
- char *endptr;
+ char *endptr, *field_begin;
char *gid_ptr=NULL;
char *uid_ptr=NULL;
- int line_len;
- int i;
+ int i, line_len;
- if (buflen<PWD_BUFFER_SIZE)
+ if (buflen<PWD_BUFFER_SIZE) {
return ERANGE;
+ }
/* We use the restart label to handle malformatted lines */
restart:
- /* Read the passwd line into the static buffer using a minimum of
- syscalls. */
- if ((line_len = read(pwd_fd, line_buff, buflen)) <= 0)
+ /* Read the passwd line into the buffer for processing */
+ if ((line_len = read(pwd_fd, line_buff, buflen)) <= 0) {
return EIO;
+ }
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. :-\ */
-
+ 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, buflen)) <= 0)
+ if ((line_len = read(pwd_fd, line_buff, buflen)) <= 0) {
return EIO;
+ }
} while (!(field_begin = strchr(line_buff, '\n')));
- lseek(pwd_fd, (long) (field_begin - line_buff) - line_len + 1,
- SEEK_CUR);
+ 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')
+ if (*line_buff == '#' || *line_buff == ' ' || *line_buff == '\n' || *line_buff == '\t')
goto restart;
*field_begin = '\0';
@@ -75,27 +74,27 @@ restart:
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;
+ 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, ':');
diff --git a/libc/pwd_grp/__getspent_r.c b/libc/pwd_grp/__getspent_r.c
index 73e40f031..8ac7d40ea 100644
--- a/libc/pwd_grp/__getspent_r.c
+++ b/libc/pwd_grp/__getspent_r.c
@@ -1,4 +1,6 @@
+/* vi: set sw=4 ts=4: */
/* __getspent_r.c - Based on __getpwent_r.c
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -26,32 +28,32 @@
int __getspent_r(struct spwd * spwd, char * line_buff, size_t buflen, int spwd_fd)
{
- char *endptr;
- int line_len;
+ char *endptr;
+ int line_len;
- if (buflen<PWD_BUFFER_SIZE)
- return ERANGE;
+ if (buflen<PWD_BUFFER_SIZE)
+ return ERANGE;
- /* We use the restart label to handle malformatted lines */
+ /* We use the restart label to handle malformatted lines */
restart:
- /* Read the shadow line into the buffer using a minimum of syscalls. */
- if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0)
- return EIO;
- endptr = strchr(line_buff, '\n');
- if (endptr != NULL)
- lseek(spwd_fd, (long) (1 + endptr - (line_buff + line_len)), SEEK_CUR);
- else {
- /* The line is too long - skip it. :-\ */
- do {
- if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0)
+ /* Read the shadow line into the buffer using a minimum of syscalls. */
+ if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0)
return EIO;
- } while (!(endptr = strchr(line_buff, '\n')));
- lseek(spwd_fd, (long) (endptr - line_buff) - line_len + 1, SEEK_CUR);
- goto restart;
- }
+ endptr = strchr(line_buff, '\n');
+ if (endptr != NULL)
+ lseek(spwd_fd, (long) (1 + endptr - (line_buff + line_len)), SEEK_CUR);
+ else {
+ /* The line is too long - skip it. :-\ */
+ do {
+ if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0)
+ return EIO;
+ } while (!(endptr = strchr(line_buff, '\n')));
+ lseek(spwd_fd, (long) (endptr - line_buff) - line_len + 1, SEEK_CUR);
+ goto restart;
+ }
- if (__sgetspent_r(line_buff, spwd, line_buff, buflen) != 0)
- goto restart;
+ if (__sgetspent_r(line_buff, spwd, line_buff, buflen) != 0)
+ goto restart;
- return 0;
+ return 0;
}
diff --git a/libc/pwd_grp/__sgetspent_r.c b/libc/pwd_grp/__sgetspent_r.c
index d11cfe62e..fbd40fc62 100644
--- a/libc/pwd_grp/__sgetspent_r.c
+++ b/libc/pwd_grp/__sgetspent_r.c
@@ -1,5 +1,7 @@
+/* vi: set sw=4 ts=4: */
/*
* __sgetspent_r.c - Based on __getpwent_r.c
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -46,7 +48,7 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz
}
if (*line_buff == '#' || *line_buff == ' ' || *line_buff == '\n' ||
- *line_buff == '\t')
+ *line_buff == '\t')
return EINVAL;
field_begin = strchr(line_buff, '\n');
@@ -57,33 +59,33 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz
field_begin = line_buff;
for (i = 0; i < 9; i++) {
switch (i) {
- case 0:
- spwd->sp_namp = field_begin;
- break;
- case 1:
- spwd->sp_pwdp = field_begin;
- break;
- case 2:
- lstchg_ptr = field_begin;
- break;
- case 3:
- min_ptr = field_begin;
- break;
- case 4:
- max_ptr = field_begin;
- break;
- case 5:
- warn_ptr = field_begin;
- break;
- case 6:
- inact_ptr = field_begin;
- break;
- case 7:
- expire_ptr = field_begin;
- break;
- case 8:
- flag_ptr = field_begin;
- break;
+ case 0:
+ spwd->sp_namp = field_begin;
+ break;
+ case 1:
+ spwd->sp_pwdp = field_begin;
+ break;
+ case 2:
+ lstchg_ptr = field_begin;
+ break;
+ case 3:
+ min_ptr = field_begin;
+ break;
+ case 4:
+ max_ptr = field_begin;
+ break;
+ case 5:
+ warn_ptr = field_begin;
+ break;
+ case 6:
+ inact_ptr = field_begin;
+ break;
+ case 7:
+ expire_ptr = field_begin;
+ break;
+ case 8:
+ flag_ptr = field_begin;
+ break;
}
if (i < 8) {
field_begin = strchr(field_begin, ':');
diff --git a/libc/pwd_grp/config.h b/libc/pwd_grp/config.h
index 25f450d6c..fb678876b 100644
--- a/libc/pwd_grp/config.h
+++ b/libc/pwd_grp/config.h
@@ -28,10 +28,12 @@
#include <shadow.h>
#define PWD_BUFFER_SIZE 256
+#define GRP_BUFFER_SIZE 256
/* These are used internally to uClibc */
-extern struct group *__getgrent(int grp_fd, char *line_buff, char **members);
+extern int __getgrent_r (struct group *__restrict group,
+ char *__restrict line_buff, size_t buflen, int grp_fd);
extern int __getpwent_r(struct passwd * passwd, char * line_buff,
size_t buflen, int pwd_fd);
extern int __getspent_r(struct spwd * spwd, char * line_buff,
diff --git a/libc/pwd_grp/fgetgrent.c b/libc/pwd_grp/fgetgrent.c
index 2c7917601..d1a6514bd 100644
--- a/libc/pwd_grp/fgetgrent.c
+++ b/libc/pwd_grp/fgetgrent.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* fgetgrent.c - This file is part of the libc-8086/grp package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -24,28 +26,49 @@
#ifdef __UCLIBC_HAS_THREADS__
#include <pthread.h>
-extern pthread_mutex_t __getgrent_lock;
-# define LOCK pthread_mutex_lock(&__getgrent_lock)
-# define UNLOCK pthread_mutex_unlock(&__getgrent_lock);
+static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
+# define LOCK pthread_mutex_lock(&mylock)
+# define UNLOCK pthread_mutex_unlock(&mylock);
#else
# define LOCK
# define UNLOCK
#endif
-static char *line_buff = NULL;
-static char **members = NULL;
+
+int fgetgrent_r (FILE *__restrict file, struct group *__restrict grp,
+ char *__restrict buff, size_t buflen,
+ struct group **__restrict result)
+{
+ int ret;
+ if (file == NULL) {
+ return EINTR;
+ }
+ *result = NULL;
+ flockfile(file);
+ ret = __getgrent_r(grp, buff, buflen, fileno(file));
+ funlockfile(file);
+ if (ret == 0) {
+ *result = grp;
+ return 0;
+ }
+ __set_errno(ret);
+ return ret;
+}
struct group *fgetgrent(FILE * file)
{
- struct group *grp;
+ int ret;
+ struct group *result;
+ static struct group grp;
+ static char line_buff[PWD_BUFFER_SIZE];
- if (file == NULL) {
- __set_errno(EINTR);
+ LOCK;
+ ret=fgetgrent_r(file, &grp, line_buff, sizeof(line_buff), &result);
+ if (ret == 0) {
+ UNLOCK;
+ return result;
+ }
+ UNLOCK;
+ __set_errno(ret);
return NULL;
- }
-
- LOCK;
- grp = __getgrent(fileno(file), line_buff, members);
- UNLOCK;
- return grp;
}
diff --git a/libc/pwd_grp/fgetpwent.c b/libc/pwd_grp/fgetpwent.c
index 174629fcb..14ac73698 100644
--- a/libc/pwd_grp/fgetpwent.c
+++ b/libc/pwd_grp/fgetpwent.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* fgetpwent.c - This file is part of the libc-8086/pwd package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -36,29 +38,29 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
int fgetpwent_r (FILE *file, struct passwd *password,
char *buff, size_t buflen, struct passwd **result)
{
- int res;
- if (file == NULL) {
- return EINTR;
- }
- *result = NULL;
- res = __getpwent_r(password, buff, buflen, fileno(file));
- *result = password;
- return res;
+ int res;
+ if (file == NULL) {
+ return EINTR;
+ }
+ *result = NULL;
+ res = __getpwent_r(password, buff, buflen, fileno(file));
+ *result = password;
+ return res;
}
struct passwd *fgetpwent(FILE * file)
{
- int ret;
- static char line_buff[PWD_BUFFER_SIZE];
- static struct passwd pwd;
- struct passwd *result;
+ int ret;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct passwd pwd;
+ struct passwd *result;
- LOCK;
- if ((ret=fgetpwent_r(file, &pwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ LOCK;
+ if ((ret=fgetpwent_r(file, &pwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &pwd;
+ }
UNLOCK;
- return &pwd;
- }
- UNLOCK;
- __set_errno(ret);
- return NULL;
+ __set_errno(ret);
+ return NULL;
}
diff --git a/libc/pwd_grp/fgetspent.c b/libc/pwd_grp/fgetspent.c
index 2ecf3a174..497db40cc 100644
--- a/libc/pwd_grp/fgetspent.c
+++ b/libc/pwd_grp/fgetspent.c
@@ -1,5 +1,7 @@
+/* vi: set sw=4 ts=4: */
/*
* fgetspent.c - Based on fgetpwent.c
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -35,29 +37,29 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
int fgetspent_r (FILE *file, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **result)
{
- int res;
- if (file == NULL) {
- return EINTR;
- }
- *result = NULL;
- res = __getspent_r(spwd, buff, buflen, fileno(file));
- *result = spwd;
- return res;
+ int res;
+ if (file == NULL) {
+ return EINTR;
+ }
+ *result = NULL;
+ res = __getspent_r(spwd, buff, buflen, fileno(file));
+ *result = spwd;
+ return res;
}
struct spwd *fgetspent(FILE * file)
{
- int ret;
- static char line_buff[PWD_BUFFER_SIZE];
- static struct spwd spwd;
- struct spwd *result;
+ int ret;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct spwd spwd;
+ struct spwd *result;
- LOCK;
- if ((ret=fgetspent_r(file, &spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ LOCK;
+ if ((ret=fgetspent_r(file, &spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &spwd;
+ }
UNLOCK;
- return &spwd;
- }
- UNLOCK;
- __set_errno(ret);
- return NULL;
+ __set_errno(ret);
+ return NULL;
}
diff --git a/libc/pwd_grp/getgrgid.c b/libc/pwd_grp/getgrgid.c
index 3575a749b..b8f2a29f5 100644
--- a/libc/pwd_grp/getgrgid.c
+++ b/libc/pwd_grp/getgrgid.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* getgrgid.c - This file is part of the libc-8086/grp package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -22,48 +24,56 @@
#include <unistd.h>
#include <fcntl.h>
#include <paths.h>
+#include <errno.h>
#include "config.h"
#ifdef __UCLIBC_HAS_THREADS__
#include <pthread.h>
-extern pthread_mutex_t __getgrent_lock;
-# define LOCK pthread_mutex_lock(&__getgrent_lock)
-# define UNLOCK pthread_mutex_unlock(&__getgrent_lock);
+static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
+# define LOCK pthread_mutex_lock(&mylock)
+# define UNLOCK pthread_mutex_unlock(&mylock);
#else
# define LOCK
# define UNLOCK
#endif
-static char *line_buff = NULL;
-static char **members = NULL;
-struct group *getgrgid(const gid_t gid)
+/* Search for an entry with a matching group ID. */
+int getgrgid_r (gid_t gid, struct group *group, char *buffer,
+ size_t buflen, struct group **result)
{
- struct group *group;
- int grp_fd;
+ int grp_fd;
+ if ((grp_fd = open(_PATH_GROUP, O_RDONLY)) < 0)
+ return errno;
- if ((grp_fd = open(_PATH_GROUP, O_RDONLY)) < 0)
- return NULL;
-
- LOCK;
- while ((group = __getgrent(grp_fd, line_buff, members)) != NULL)
- if (group->gr_gid == gid) {
- close(grp_fd);
- UNLOCK;
- return group;
+ *result = NULL;
+ while (__getgrent_r(group, buffer, buflen, grp_fd) == 0) {
+ if (group->gr_gid == gid) {
+ close(grp_fd);
+ *result = group;
+ return 0;
+ }
}
- close(grp_fd);
- UNLOCK;
- return NULL;
+ close(grp_fd);
+ return EINVAL;
}
-#if 0
-/* Search for an entry with a matching group ID. */
-int getgrgid_r (gid_t gid, struct group *resultbuf, char *buffer,
- size_t buflen, struct group **result)
+struct group *getgrgid(const gid_t gid)
{
+ int ret;
+ struct group *result;
+ static struct group grp;
+ static char line_buff[GRP_BUFFER_SIZE];
+ LOCK;
+ if ((ret=getgrgid_r(gid, &grp, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &grp;
+ }
+ UNLOCK;
+ __set_errno(ret);
+ return NULL;
}
-#endif
+
diff --git a/libc/pwd_grp/getgrnam.c b/libc/pwd_grp/getgrnam.c
index 2c8d030e0..27d714407 100644
--- a/libc/pwd_grp/getgrnam.c
+++ b/libc/pwd_grp/getgrnam.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* getgrnam.c - This file is part of the libc-8086/grp package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -18,6 +20,7 @@
*
*/
+#include <features.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
@@ -27,39 +30,57 @@
#ifdef __UCLIBC_HAS_THREADS__
#include <pthread.h>
-extern pthread_mutex_t __getgrent_lock;
-# define LOCK pthread_mutex_lock(&__getgrent_lock)
-# define UNLOCK pthread_mutex_unlock(&__getgrent_lock);
-#else
+static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
+# define LOCK pthread_mutex_lock(&mylock)
+# define UNLOCK pthread_mutex_unlock(&mylock);
+#else
# define LOCK
# define UNLOCK
-#endif
-static char *line_buff = NULL;
-static char **members = NULL;
+#endif
-
-struct group *getgrnam(const char *name)
+int getgrnam_r (const char *name, struct group *group,
+ char *buff, size_t buflen, struct group **result)
{
- int grp_fd;
- struct group *group;
+ int ret;
+ int group_fd;
+
+ *result = NULL;
if (name == NULL) {
- __set_errno(EINVAL);
- return NULL;
+ return EINVAL;
}
- if ((grp_fd = open(_PATH_GROUP, O_RDONLY)) < 0)
- return NULL;
+ if ((group_fd = open(_PATH_GROUP, O_RDONLY)) < 0) {
+ return ENOENT;
+ }
- LOCK;
- while ((group = __getgrent(grp_fd, line_buff, members)) != NULL)
+ while ((ret=__getgrent_r(group, buff, buflen, group_fd)) == 0) {
if (!strcmp(group->gr_name, name)) {
- close(grp_fd);
- UNLOCK;
- return group;
+ close(group_fd);
+ *result = group;
+ return 0;
}
+ }
+
+ close(group_fd);
+ return ret;
+}
- close(grp_fd);
+struct group *getgrnam(const char *name)
+{
+ int ret;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct group grp;
+ struct group *result;
+
+ LOCK;
+ if ((ret=getgrnam_r(name, &grp, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &grp;
+ }
+ __set_errno(ret);
UNLOCK;
return NULL;
}
+
+
diff --git a/libc/pwd_grp/getpw.c b/libc/pwd_grp/getpw.c
index 4731bb961..6665b6090 100644
--- a/libc/pwd_grp/getpw.c
+++ b/libc/pwd_grp/getpw.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* getpw.c - This file is part of the libc-8086/pwd package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -35,9 +37,9 @@ int getpw(uid_t uid, char *buf)
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) {
+ (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) {
__set_errno(ENOBUFS);
return -1;
}
diff --git a/libc/pwd_grp/getpwnam.c b/libc/pwd_grp/getpwnam.c
index 7e81fa081..b9a55f114 100644
--- a/libc/pwd_grp/getpwnam.c
+++ b/libc/pwd_grp/getpwnam.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* getpwnam.c - This file is part of the libc-8086/pwd package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -39,46 +41,45 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
int getpwnam_r (const char *name, struct passwd *password,
char *buff, size_t buflen, struct passwd **result)
{
- int ret;
- int passwd_fd;
+ int ret;
+ int passwd_fd;
- *result = NULL;
+ *result = NULL;
- if (name == NULL) {
- return EINVAL;
- }
+ if (name == NULL) {
+ return EINVAL;
+ }
- if ((passwd_fd = open(_PATH_PASSWD, O_RDONLY)) < 0) {
- return ENOENT;
- }
+ if ((passwd_fd = open(_PATH_PASSWD, O_RDONLY)) < 0) {
+ return ENOENT;
+ }
- while ((ret=__getpwent_r(password, buff, buflen, passwd_fd)) == 0) {
- if (!strcmp(password->pw_name, name)) {
- *result=password;
- close(passwd_fd);
- *result = password;
- return 0;
+ while ((ret=__getpwent_r(password, buff, buflen, passwd_fd)) == 0) {
+ if (!strcmp(password->pw_name, name)) {
+ close(passwd_fd);
+ *result = password;
+ return 0;
+ }
}
- }
- close(passwd_fd);
- return ret;
+ close(passwd_fd);
+ return ret;
}
struct passwd *getpwnam(const char *name)
{
- int ret;
- static char line_buff[PWD_BUFFER_SIZE];
- static struct passwd pwd;
- struct passwd *result;
+ int ret;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct passwd pwd;
+ struct passwd *result;
- LOCK;
- if ((ret=getpwnam_r(name, &pwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ LOCK;
+ if ((ret=getpwnam_r(name, &pwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &pwd;
+ }
+ __set_errno(ret);
UNLOCK;
- return &pwd;
- }
- __set_errno(ret);
- UNLOCK;
- return NULL;
+ return NULL;
}
diff --git a/libc/pwd_grp/getpwuid.c b/libc/pwd_grp/getpwuid.c
index 4a85aa289..5ec890647 100644
--- a/libc/pwd_grp/getpwuid.c
+++ b/libc/pwd_grp/getpwuid.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* getpwuid.c - This file is part of the libc-8086/pwd package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -39,38 +41,37 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
int getpwuid_r (uid_t uid, struct passwd *password,
char *buff, size_t buflen, struct passwd **result)
{
- int passwd_fd;
+ int passwd_fd;
+ if ((passwd_fd = open(_PATH_PASSWD, O_RDONLY)) < 0)
+ return errno;
- if ((passwd_fd = open(_PATH_PASSWD, O_RDONLY)) < 0)
- return errno;
-
- *result = NULL;
- while (__getpwent_r(password, buff, buflen, passwd_fd) == 0)
- if (password->pw_uid == uid) {
- close(passwd_fd);
- *result = password;
- return 0;
+ *result = NULL;
+ while (__getpwent_r(password, buff, buflen, passwd_fd) == 0) {
+ if (password->pw_uid == uid) {
+ close(passwd_fd);
+ *result = password;
+ return 0;
+ }
}
- close(passwd_fd);
- return EINVAL;
+ close(passwd_fd);
+ return EINVAL;
}
struct passwd *getpwuid(uid_t uid)
{
- int ret;
- /* file descriptor for the password file currently open */
- static char line_buff[PWD_BUFFER_SIZE];
- static struct passwd pwd;
- struct passwd *result;
+ int ret;
+ struct passwd *result;
+ static struct passwd pwd;
+ static char line_buff[PWD_BUFFER_SIZE];
- LOCK;
- if ((ret=getpwuid_r(uid, &pwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ LOCK;
+ if ((ret=getpwuid_r(uid, &pwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &pwd;
+ }
UNLOCK;
- return &pwd;
- }
- UNLOCK;
- __set_errno(ret);
- return NULL;
+ __set_errno(ret);
+ return NULL;
}
diff --git a/libc/pwd_grp/getspnam.c b/libc/pwd_grp/getspnam.c
index f0a4155bf..2b1d4c95c 100644
--- a/libc/pwd_grp/getspnam.c
+++ b/libc/pwd_grp/getspnam.c
@@ -1,5 +1,7 @@
+/* vi: set sw=4 ts=4: */
/*
* getspnam.c - Based on getpwnam.c
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -37,41 +39,41 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
int getspnam_r (const char *name, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **result)
{
- int spwd_fd;
+ int spwd_fd;
- if (name == NULL) {
- return EINVAL;
- }
+ if (name == NULL) {
+ return EINVAL;
+ }
- if ((spwd_fd = open(_PATH_SHADOW, O_RDONLY)) < 0)
- return errno;
+ if ((spwd_fd = open(_PATH_SHADOW, O_RDONLY)) < 0)
+ return errno;
- *result = NULL;
- while (__getspent_r(spwd, buff, buflen, spwd_fd) == 0)
- if (!strcmp(spwd->sp_namp, name)) {
- close(spwd_fd);
- *result = spwd;
- return 0;
- }
+ *result = NULL;
+ while (__getspent_r(spwd, buff, buflen, spwd_fd) == 0)
+ if (!strcmp(spwd->sp_namp, name)) {
+ close(spwd_fd);
+ *result = spwd;
+ return 0;
+ }
- close(spwd_fd);
- return EINVAL;
+ close(spwd_fd);
+ return EINVAL;
}
struct spwd *getspnam(const char *name)
{
- int ret;
- static char line_buff[PWD_BUFFER_SIZE];
- static struct spwd spwd;
- struct spwd *result;
+ int ret;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct spwd spwd;
+ struct spwd *result;
- LOCK;
- if ((ret=getspnam_r(name, &spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ LOCK;
+ if ((ret=getspnam_r(name, &spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &spwd;
+ }
UNLOCK;
- return &spwd;
- }
- UNLOCK;
- __set_errno(ret);
- return NULL;
+ __set_errno(ret);
+ return NULL;
}
diff --git a/libc/pwd_grp/getspuid.c b/libc/pwd_grp/getspuid.c
index b25fddb49..c97d186bd 100644
--- a/libc/pwd_grp/getspuid.c
+++ b/libc/pwd_grp/getspuid.c
@@ -1,5 +1,7 @@
+/* vi: set sw=4 ts=4: */
/*
* getspuid.c - Based on getpwuid.c
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -37,34 +39,34 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
int getspuid_r (uid_t uid, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **result)
{
- int ret;
- char pwd_buff[PWD_BUFFER_SIZE];
- struct passwd password;
+ int ret;
+ char pwd_buff[PWD_BUFFER_SIZE];
+ struct passwd password;
- *result = NULL;
- ret = getpwuid_r(uid, &password, pwd_buff, sizeof(pwd_buff), NULL);
- if (ret != 0)
- return ret;
+ *result = NULL;
+ ret = getpwuid_r(uid, &password, pwd_buff, sizeof(pwd_buff), NULL);
+ if (ret != 0)
+ return ret;
- ret = getspnam_r(password.pw_name, spwd, buff, buflen, result);
- *result = spwd;
- return ret;
+ ret = getspnam_r(password.pw_name, spwd, buff, buflen, result);
+ *result = spwd;
+ return ret;
}
struct spwd *getspuid(uid_t uid)
{
- int ret;
- static char line_buff[PWD_BUFFER_SIZE];
- static struct spwd spwd;
- struct spwd *result;
+ int ret;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct spwd spwd;
+ struct spwd *result;
- LOCK;
- if ((ret=getspuid_r(uid, &spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ LOCK;
+ if ((ret=getspuid_r(uid, &spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &spwd;
+ }
UNLOCK;
- return &spwd;
- }
- UNLOCK;
- __set_errno(ret);
- return NULL;
+ __set_errno(ret);
+ return NULL;
}
diff --git a/libc/pwd_grp/grent.c b/libc/pwd_grp/grent.c
index 9418ea937..128520e8c 100644
--- a/libc/pwd_grp/grent.c
+++ b/libc/pwd_grp/grent.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* grent.c - This file is part of the libc-8086/grp package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -28,6 +30,7 @@
#include <unistd.h>
#include <fcntl.h>
#include <paths.h>
+#include <errno.h>
#include "config.h"
#ifdef __UCLIBC_HAS_THREADS__
@@ -40,50 +43,43 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
# define UNLOCK
#endif
-#ifdef __UCLIBC_HAS_THREADS__
-#include <pthread.h>
-extern pthread_mutex_t __getgrent_lock;
-# define GRENT_LOCK pthread_mutex_lock(&__getgrent_lock)
-# define GRENT_UNLOCK pthread_mutex_unlock(&__getgrent_lock);
-#else
-# define GRENT_LOCK
-# define GRENT_UNLOCK
-#endif
-
static int grp_fd = -1;
-static char *line_buff = NULL;
-static char **members = NULL;
void setgrent(void)
{
- LOCK;
- if (grp_fd != -1)
- close(grp_fd);
- grp_fd = open(_PATH_GROUP, O_RDONLY);
- UNLOCK;
+ LOCK;
+ if (grp_fd != -1)
+ close(grp_fd);
+ grp_fd = open(_PATH_GROUP, O_RDONLY);
+ UNLOCK;
}
void endgrent(void)
{
- LOCK;
- if (grp_fd != -1)
- close(grp_fd);
- grp_fd = -1;
- UNLOCK;
+ LOCK;
+ if (grp_fd != -1)
+ close(grp_fd);
+ grp_fd = -1;
+ UNLOCK;
}
struct group *getgrent(void)
{
- struct group *r;
+ int ret;
+ static struct group grp;
+ static char line_buff[PWD_BUFFER_SIZE];
- LOCK;
- if (grp_fd == -1) {
+ LOCK;
+ if (grp_fd == -1) {
+ UNLOCK;
+ return NULL;
+ }
+ ret = __getgrent_r(&grp, line_buff, sizeof(line_buff), grp_fd);
+ if (ret == 0) {
+ UNLOCK;
+ return &grp;
+ }
UNLOCK;
+ __set_errno(ret);
return NULL;
- }
- UNLOCK;
- GRENT_LOCK;
- r = __getgrent(grp_fd, line_buff, members);
- GRENT_UNLOCK;
- return r;
}
diff --git a/libc/pwd_grp/initgroups.c b/libc/pwd_grp/initgroups.c
index 24dadc18f..bc537069c 100644
--- a/libc/pwd_grp/initgroups.c
+++ b/libc/pwd_grp/initgroups.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* initgroups.c - This file is part of the libc-8086/grp package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -28,51 +30,46 @@
#ifdef __UCLIBC_HAS_THREADS__
#include <pthread.h>
-extern pthread_mutex_t __getgrent_lock;
-# define LOCK pthread_mutex_lock(&__getgrent_lock)
-# define UNLOCK pthread_mutex_unlock(&__getgrent_lock);
+static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
+# define LOCK pthread_mutex_lock(&mylock)
+# define UNLOCK pthread_mutex_unlock(&mylock);
#else
# define LOCK
# define UNLOCK
#endif
-static char *line_buff = NULL;
-static char **members = NULL;
-
int initgroups(__const char *user, gid_t gid)
{
- register struct group *group;
-
- gid_t *group_list = NULL;
- register char **tmp_mem;
- int num_groups;
- int grp_fd;
-
+ gid_t *group_list = NULL;
+ register char **tmp_mem;
+ int num_groups;
+ int grp_fd;
+ static struct group group;
+ static char line_buff[PWD_BUFFER_SIZE];
- if ((grp_fd = open(_PATH_GROUP, O_RDONLY)) < 0)
- return errno;
+ if ((grp_fd = open(_PATH_GROUP, O_RDONLY)) < 0)
+ return errno;
- num_groups = 0;
- group_list = (gid_t *) realloc(group_list, 1);
- group_list[num_groups] = gid;
- LOCK;
- while ((group = __getgrent(grp_fd, line_buff, members)) != NULL)
- {
- if (group->gr_gid != gid)
+ num_groups = 0;
+ group_list = (gid_t *) realloc(group_list, 1);
+ group_list[num_groups] = gid;
+ LOCK;
+ while (__getgrent_r(&group, line_buff, sizeof(line_buff), grp_fd) == 0)
{
- tmp_mem = group->gr_mem;
- while (*tmp_mem != NULL) {
- if (!strcmp(*tmp_mem, user)) {
- num_groups++;
- group_list = (gid_t *) realloc(group_list, num_groups *
- sizeof(gid_t *));
- group_list[num_groups-1] = group->gr_gid;
+ if (group.gr_gid != gid)
+ {
+ tmp_mem = group.gr_mem;
+ while (*tmp_mem != NULL) {
+ if (!strcmp(*tmp_mem, user)) {
+ num_groups++;
+ group_list = (gid_t *) realloc(group_list, num_groups * sizeof(gid_t *));
+ group_list[num_groups-1] = group.gr_gid;
+ }
+ tmp_mem++;
+ }
}
- tmp_mem++;
- }
}
- }
- close(grp_fd);
- UNLOCK;
- return setgroups(num_groups, group_list);
+ close(grp_fd);
+ UNLOCK;
+ return setgroups(num_groups, group_list);
}
diff --git a/libc/pwd_grp/lckpwdf.c b/libc/pwd_grp/lckpwdf.c
index 6b20bd7e4..e09b611e2 100644
--- a/libc/pwd_grp/lckpwdf.c
+++ b/libc/pwd_grp/lckpwdf.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
/* Handle locking of password file.
Copyright (C) 1996, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -49,132 +50,132 @@ static void noop_handler __P ((int __sig));
int lckpwdf (void)
{
- int flags;
- sigset_t saved_set; /* Saved set of caught signals. */
- struct sigaction saved_act; /* Saved signal action. */
- sigset_t new_set; /* New set of caught signals. */
- struct sigaction new_act; /* New signal action. */
- struct flock fl; /* Information struct for locking. */
- int result;
-
- if (lock_fd != -1)
- /* Still locked by own process. */
- return -1;
-
- LOCK;
-
- lock_fd = open (_PATH_PASSWD, O_WRONLY);
- if (lock_fd == -1) {
- /* Cannot create lock file. */
- UNLOCK;
- return -1;
- }
-
- /* Make sure file gets correctly closed when process finished. */
- flags = fcntl (lock_fd, F_GETFD, 0);
- if (flags == -1) {
- /* Cannot get file flags. */
- close(lock_fd);
- lock_fd = -1;
- UNLOCK;
- return -1;
- }
- flags |= FD_CLOEXEC; /* Close on exit. */
- if (fcntl (lock_fd, F_SETFD, flags) < 0) {
- /* Cannot set new flags. */
- close(lock_fd);
- lock_fd = -1;
- UNLOCK;
- return -1;
- }
-
- /* Now we have to get exclusive write access. Since multiple
- process could try this we won't stop when it first fails.
- Instead we set a timeout for the system call. Once the timer
- expires it is likely that there are some problems which cannot be
- resolved by waiting.
-
- It is important that we don't change the signal state. We must
- restore the old signal behaviour. */
- memset (&new_act, '\0', sizeof (struct sigaction));
- new_act.sa_handler = noop_handler;
- sigfillset (&new_act.sa_mask);
- new_act.sa_flags = 0ul;
-
- /* Install new action handler for alarm and save old. */
- if (sigaction (SIGALRM, &new_act, &saved_act) < 0) {
- /* Cannot install signal handler. */
- close(lock_fd);
- lock_fd = -1;
- UNLOCK;
- return -1;
- }
-
- /* Now make sure the alarm signal is not blocked. */
- sigemptyset (&new_set);
- sigaddset (&new_set, SIGALRM);
- if (sigprocmask (SIG_UNBLOCK, &new_set, &saved_set) < 0) {
- sigaction (SIGALRM, &saved_act, NULL);
- close(lock_fd);
- lock_fd = -1;
- UNLOCK;
- return -1;
- }
-
- /* Start timer. If we cannot get the lock in the specified time we
- get a signal. */
- alarm (TIMEOUT);
+ int flags;
+ sigset_t saved_set; /* Saved set of caught signals. */
+ struct sigaction saved_act; /* Saved signal action. */
+ sigset_t new_set; /* New set of caught signals. */
+ struct sigaction new_act; /* New signal action. */
+ struct flock fl; /* Information struct for locking. */
+ int result;
+
+ if (lock_fd != -1)
+ /* Still locked by own process. */
+ return -1;
- /* Try to get the lock. */
- memset (&fl, '\0', sizeof (struct flock));
- fl.l_type = F_WRLCK;
- fl.l_whence = SEEK_SET;
- result = fcntl (lock_fd, F_SETLKW, &fl);
-
- /* Clear alarm. */
- alarm (0);
+ LOCK;
- /* Restore old set of handled signals. We don't need to know
- about the current one.*/
- sigprocmask (SIG_SETMASK, &saved_set, NULL);
+ lock_fd = open (_PATH_PASSWD, O_WRONLY);
+ if (lock_fd == -1) {
+ /* Cannot create lock file. */
+ UNLOCK;
+ return -1;
+ }
+
+ /* Make sure file gets correctly closed when process finished. */
+ flags = fcntl (lock_fd, F_GETFD, 0);
+ if (flags == -1) {
+ /* Cannot get file flags. */
+ close(lock_fd);
+ lock_fd = -1;
+ UNLOCK;
+ return -1;
+ }
+ flags |= FD_CLOEXEC; /* Close on exit. */
+ if (fcntl (lock_fd, F_SETFD, flags) < 0) {
+ /* Cannot set new flags. */
+ close(lock_fd);
+ lock_fd = -1;
+ UNLOCK;
+ return -1;
+ }
+
+ /* Now we have to get exclusive write access. Since multiple
+ process could try this we won't stop when it first fails.
+ Instead we set a timeout for the system call. Once the timer
+ expires it is likely that there are some problems which cannot be
+ resolved by waiting.
+
+ It is important that we don't change the signal state. We must
+ restore the old signal behaviour. */
+ memset (&new_act, '\0', sizeof (struct sigaction));
+ new_act.sa_handler = noop_handler;
+ sigfillset (&new_act.sa_mask);
+ new_act.sa_flags = 0ul;
+
+ /* Install new action handler for alarm and save old. */
+ if (sigaction (SIGALRM, &new_act, &saved_act) < 0) {
+ /* Cannot install signal handler. */
+ close(lock_fd);
+ lock_fd = -1;
+ UNLOCK;
+ return -1;
+ }
+
+ /* Now make sure the alarm signal is not blocked. */
+ sigemptyset (&new_set);
+ sigaddset (&new_set, SIGALRM);
+ if (sigprocmask (SIG_UNBLOCK, &new_set, &saved_set) < 0) {
+ sigaction (SIGALRM, &saved_act, NULL);
+ close(lock_fd);
+ lock_fd = -1;
+ UNLOCK;
+ return -1;
+ }
+
+ /* Start timer. If we cannot get the lock in the specified time we
+ get a signal. */
+ alarm (TIMEOUT);
+
+ /* Try to get the lock. */
+ memset (&fl, '\0', sizeof (struct flock));
+ fl.l_type = F_WRLCK;
+ fl.l_whence = SEEK_SET;
+ result = fcntl (lock_fd, F_SETLKW, &fl);
+
+ /* Clear alarm. */
+ alarm (0);
+
+ /* Restore old set of handled signals. We don't need to know
+ about the current one.*/
+ sigprocmask (SIG_SETMASK, &saved_set, NULL);
+
+ /* Restore old action handler for alarm. We don't need to know
+ about the current one. */
+ sigaction (SIGALRM, &saved_act, NULL);
- /* Restore old action handler for alarm. We don't need to know
- about the current one. */
- sigaction (SIGALRM, &saved_act, NULL);
+ if (result < 0) {
+ close(lock_fd);
+ lock_fd = -1;
+ UNLOCK;
+ return -1;
+ }
- if (result < 0) {
- close(lock_fd);
- lock_fd = -1;
UNLOCK;
- return -1;
- }
-
- UNLOCK;
- return 0;
+ return 0;
}
int ulckpwdf (void)
{
- int result;
-
- if (lock_fd == -1) {
- /* There is no lock set. */
- result = -1;
- }
- else {
- LOCK;
- result = close (lock_fd);
- /* Mark descriptor as unused. */
- lock_fd = -1;
- UNLOCK;
- }
-
- return result;
+ int result;
+
+ if (lock_fd == -1) {
+ /* There is no lock set. */
+ result = -1;
+ }
+ else {
+ LOCK;
+ result = close (lock_fd);
+ /* Mark descriptor as unused. */
+ lock_fd = -1;
+ UNLOCK;
+ }
+
+ return result;
}
static void noop_handler (int sig)
{
- /* We simply return which makes the `fcntl' call return with an error. */
+ /* We simply return which makes the `fcntl' call return with an error. */
}
diff --git a/libc/pwd_grp/putpwent.c b/libc/pwd_grp/putpwent.c
index da575b490..bbc8ec3a8 100644
--- a/libc/pwd_grp/putpwent.c
+++ b/libc/pwd_grp/putpwent.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* putpwent.c - This file is part of the libc-8086/pwd package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -29,9 +31,9 @@ int putpwent(const struct passwd *passwd, FILE * f)
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)
+ (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/libc/pwd_grp/putspent.c b/libc/pwd_grp/putspent.c
index 89a69887c..401401705 100644
--- a/libc/pwd_grp/putspent.c
+++ b/libc/pwd_grp/putspent.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
/* Copyright (C) 1991, 1992, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
diff --git a/libc/pwd_grp/pwent.c b/libc/pwd_grp/pwent.c
index b8ae812cb..e3488f4f5 100644
--- a/libc/pwd_grp/pwent.c
+++ b/libc/pwd_grp/pwent.c
@@ -1,6 +1,8 @@
+/* vi: set sw=4 ts=4: */
/*
* pwent.c - This file is part of the libc-8086/pwd package for ELKS,
* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -47,50 +49,50 @@ static int pw_fd = -1;
void setpwent(void)
{
- LOCK;
- if (pw_fd != -1)
- close(pw_fd);
+ LOCK;
+ if (pw_fd != -1)
+ close(pw_fd);
- pw_fd = open(_PATH_PASSWD, O_RDONLY);
- UNLOCK;
+ pw_fd = open(_PATH_PASSWD, O_RDONLY);
+ UNLOCK;
}
void endpwent(void)
{
- LOCK;
- if (pw_fd != -1)
- close(pw_fd);
- pw_fd = -1;
- UNLOCK;
+ LOCK;
+ if (pw_fd != -1)
+ close(pw_fd);
+ pw_fd = -1;
+ UNLOCK;
}
int getpwent_r (struct passwd *password, char *buff,
size_t buflen, struct passwd **result)
{
- int ret=EINVAL;
- LOCK;
- *result = NULL;
- if (pw_fd != -1 && (ret=__getpwent_r(password, buff, buflen, pw_fd)) == 0) {
+ int ret=EINVAL;
+ LOCK;
+ *result = NULL;
+ if (pw_fd != -1 && (ret=__getpwent_r(password, buff, buflen, pw_fd)) == 0) {
+ UNLOCK;
+ *result = password;
+ return 0;
+ }
UNLOCK;
- *result = password;
- return 0;
- }
- UNLOCK;
- __set_errno(ret);
- return ret;
+ __set_errno(ret);
+ return ret;
}
struct passwd *getpwent(void)
{
- int ret;
- static char line_buff[PWD_BUFFER_SIZE];
- static struct passwd pwd;
- struct passwd *result;
+ int ret;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct passwd pwd;
+ struct passwd *result;
- if ((ret=getpwent_r(&pwd, line_buff, sizeof(line_buff), &result)) == 0) {
- return &pwd;
- }
- __set_errno(ret);
- return NULL;
+ if ((ret=getpwent_r(&pwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ return &pwd;
+ }
+ __set_errno(ret);
+ return NULL;
}
diff --git a/libc/pwd_grp/sgetspent.c b/libc/pwd_grp/sgetspent.c
index d2e2ca71a..1c6bafbc2 100644
--- a/libc/pwd_grp/sgetspent.c
+++ b/libc/pwd_grp/sgetspent.c
@@ -1,5 +1,7 @@
+/* vi: set sw=4 ts=4: */
/*
* sgetspent.c
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -35,26 +37,26 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
int sgetspent_r (const char *string, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **result)
{
- int ret;
- *result = NULL;
- ret = __sgetspent_r(string, spwd, buff, buflen);
- *result = spwd;
- return ret;
+ int ret;
+ *result = NULL;
+ ret = __sgetspent_r(string, spwd, buff, buflen);
+ *result = spwd;
+ return ret;
}
struct spwd *sgetspent(const char *string)
{
- int ret;
- static char line_buff[PWD_BUFFER_SIZE];
- static struct spwd spwd;
- struct spwd *result;
+ int ret;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct spwd spwd;
+ struct spwd *result;
- LOCK;
- if ((ret = sgetspent_r(string, &spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ LOCK;
+ if ((ret = sgetspent_r(string, &spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &spwd;
+ }
+ __set_errno(ret);
UNLOCK;
- return &spwd;
- }
- __set_errno(ret);
- UNLOCK;
- return NULL;
+ return NULL;
}
diff --git a/libc/pwd_grp/spent.c b/libc/pwd_grp/spent.c
index 46f3a32be..126e8dec6 100644
--- a/libc/pwd_grp/spent.c
+++ b/libc/pwd_grp/spent.c
@@ -1,5 +1,7 @@
+/* vi: set sw=4 ts=4: */
/*
* spent.c - Based on pwent.c
+ * Copyright (C) 2001-2003 Erik Andersen <andersee@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -45,51 +47,51 @@ static int spwd_fd = -1;
void setspent(void)
{
- LOCK;
- if (spwd_fd != -1)
- close(spwd_fd);
- spwd_fd = open(_PATH_SHADOW, O_RDONLY);
- UNLOCK;
+ LOCK;
+ if (spwd_fd != -1)
+ close(spwd_fd);
+ spwd_fd = open(_PATH_SHADOW, O_RDONLY);
+ UNLOCK;
}
void endspent(void)
{
- LOCK;
- if (spwd_fd != -1)
- close(spwd_fd);
- spwd_fd = -1;
- UNLOCK;
+ LOCK;
+ if (spwd_fd != -1)
+ close(spwd_fd);
+ spwd_fd = -1;
+ UNLOCK;
}
int getspent_r (struct spwd *spwd, char *buff,
size_t buflen, struct spwd **result)
{
- int ret=EINVAL;
- LOCK;
- *result = NULL;
- if (spwd_fd != -1 && (ret=__getspent_r(spwd, buff, buflen, spwd_fd)) == 0) {
+ int ret=EINVAL;
+ LOCK;
+ *result = NULL;
+ if (spwd_fd != -1 && (ret=__getspent_r(spwd, buff, buflen, spwd_fd)) == 0) {
+ UNLOCK;
+ *result = spwd;
+ return 0;
+ }
UNLOCK;
- *result = spwd;
- return 0;
- }
- UNLOCK;
- return ret;
+ return ret;
}
struct spwd *getspent(void)
{
- int ret;
- static char line_buff[PWD_BUFFER_SIZE];
- static struct spwd spwd;
- struct spwd *result;
+ int ret;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct spwd spwd;
+ struct spwd *result;
- LOCK;
- if ((ret=getspent_r(&spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ LOCK;
+ if ((ret=getspent_r(&spwd, line_buff, sizeof(line_buff), &result)) == 0) {
+ UNLOCK;
+ return &spwd;
+ }
UNLOCK;
- return &spwd;
- }
- UNLOCK;
- __set_errno(ret);
- return NULL;
+ __set_errno(ret);
+ return NULL;
}