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-rw-r--r--libc/pwd_grp/__getgrent.c226
-rw-r--r--libc/pwd_grp/__getspent_r.c45
-rw-r--r--libc/pwd_grp/fgetpwent.c14
-rw-r--r--libc/pwd_grp/fgetspent.c36
-rw-r--r--libc/pwd_grp/getpwnam.c14
-rw-r--r--libc/pwd_grp/getpwuid.c14
-rw-r--r--libc/pwd_grp/getspnam.c14
-rw-r--r--libc/pwd_grp/getspuid.c14
-rw-r--r--libc/pwd_grp/grent.c35
-rw-r--r--libc/pwd_grp/initgroups.c54
-rw-r--r--libc/pwd_grp/lckpwdf.c26
-rw-r--r--libc/pwd_grp/pwent.c21
-rw-r--r--libc/pwd_grp/sgetspent.c14
-rw-r--r--libc/pwd_grp/spent.c22
14 files changed, 372 insertions, 177 deletions
diff --git a/libc/pwd_grp/__getgrent.c b/libc/pwd_grp/__getgrent.c
index 0827df131..e89f914ad 100644
--- a/libc/pwd_grp/__getgrent.c
+++ b/libc/pwd_grp/__getgrent.c
@@ -18,11 +18,22 @@
*
*/
+#include <features.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
/*
* This is the core group-file read function. It behaves exactly like
* getgrent() except that it is passed a file descriptor. getgrent()
@@ -31,130 +42,139 @@
struct group *__getgrent(int grp_fd)
{
#ifdef GR_SCALE_DYNAMIC
- static char *line_buff = NULL;
- static char **members = NULL;
- short line_index;
- short buff_size;
+ static char *line_buff = NULL;
+ static char **members = NULL;
+ short line_index;
+ short buff_size;
#else
- static char line_buff[GR_MAX_LINE_LEN];
- static char *members[GR_MAX_MEMBERS];
+ static char line_buff[GR_MAX_LINE_LEN];
+ static char *members[GR_MAX_MEMBERS];
#endif
- static struct group group;
- register char *ptr;
- char *field_begin;
- short member_num;
- char *endptr;
- int line_len;
+ 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:
+ LOCK;
+
+ /* We use the restart label to handle malformatted lines */
+restart:
#ifdef GR_SCALE_DYNAMIC
- line_index = 0;
- buff_size = 256;
+ line_index = 0;
+ buff_size = 256;
#endif
#ifdef 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);
- }
+ line_buff = realloc(line_buff, buff_size);
+ while (1) {
+ if ((line_len = read(grp_fd, line_buff + line_index,
+ buff_size - line_index)) <= 0) {
+ UNLOCK;
+ return NULL;
}
-#else
- /* 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);
+ 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);
}
- if (*line_buff == '#' || *line_buff == ' ' || *line_buff == '\n' ||
- *line_buff == '\t')
- goto restart;
- *field_begin = '\0';
+ }
+#else
+ /* Read the line into the static buffer */
+ if ((line_len = read(grp_fd, line_buff, GR_MAX_LINE_LEN)) <= 0) {
+ UNLOCK;
+ 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) {
+ UNLOCK;
+ 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';
#endif /* GR_SCALE_DYNAMIC */
- /* Now parse the line */
- group.gr_name = line_buff;
- ptr = strchr(line_buff, ':');
- if (ptr == NULL)
- goto restart;
- *ptr++ = '\0';
+ /* 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';
+ 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';
+ 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;
+ group.gr_gid = (gid_t) strtoul(field_begin, &endptr, 10);
+ if (*endptr != '\0')
+ goto restart;
- member_num = 0;
- field_begin = ptr;
+ member_num = 0;
+ field_begin = ptr;
#ifdef GR_SCALE_DYNAMIC
- 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;
+ 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;
#else
- 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;
- }
+ 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;
+ }
#endif
- group.gr_mem = members;
- return &group;
+ group.gr_mem = members;
+ UNLOCK;
+ return &group;
}
diff --git a/libc/pwd_grp/__getspent_r.c b/libc/pwd_grp/__getspent_r.c
index 2f87a1cc6..7150520d2 100644
--- a/libc/pwd_grp/__getspent_r.c
+++ b/libc/pwd_grp/__getspent_r.c
@@ -25,32 +25,29 @@
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;
- /* We use the restart label to handle malformatted lines */
- restart:
- /* Read the shadow line into the static buffer using a minimal of
- syscalls. */
- if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0)
+ /* 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 -1;
+ 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 -1;
- 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. :-\ */
+ } while (!(endptr = strchr(line_buff, '\n')));
+ lseek(spwd_fd, (long) (endptr - line_buff) - line_len + 1, SEEK_CUR);
+ goto restart;
+ }
- do {
- if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0)
- return -1;
- } 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/fgetpwent.c b/libc/pwd_grp/fgetpwent.c
index e025cf6cc..5ca08d3b0 100644
--- a/libc/pwd_grp/fgetpwent.c
+++ b/libc/pwd_grp/fgetpwent.c
@@ -18,10 +18,21 @@
*
*/
+#include <features.h>
#include <errno.h>
#include <stdio.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
int fgetpwent_r (FILE *file, struct passwd *password,
char *buff, size_t buflen, struct passwd **crap)
{
@@ -37,8 +48,11 @@ struct passwd *fgetpwent(FILE * file)
static char line_buff[PWD_BUFFER_SIZE];
static struct passwd pwd;
+ LOCK;
if (fgetpwent_r(file, &pwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
return &pwd;
}
+ UNLOCK;
return NULL;
}
diff --git a/libc/pwd_grp/fgetspent.c b/libc/pwd_grp/fgetspent.c
index 68053b39e..20698da1b 100644
--- a/libc/pwd_grp/fgetspent.c
+++ b/libc/pwd_grp/fgetspent.c
@@ -17,27 +17,41 @@
*
*/
+#include <features.h>
#include <errno.h>
#include <stdio.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
int fgetspent_r (FILE *file, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **crap)
{
- if (file == NULL) {
- __set_errno(EINTR);
- return -1;
- }
- return(__getspent_r(spwd, buff, buflen, fileno(file)));
+ if (file == NULL) {
+ __set_errno(EINTR);
+ return -1;
+ }
+ return(__getspent_r(spwd, buff, buflen, fileno(file)));
}
struct spwd *fgetspent(FILE * file)
{
- static char line_buff[PWD_BUFFER_SIZE];
- static struct spwd spwd;
+ static char line_buff[PWD_BUFFER_SIZE];
+ static struct spwd spwd;
- if (fgetspent_r(file, &spwd, line_buff, sizeof(line_buff), NULL) != -1) {
- return &spwd;
- }
- return NULL;
+ LOCK;
+ if (fgetspent_r(file, &spwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
+ return &spwd;
+ }
+ UNLOCK;
+ return NULL;
}
diff --git a/libc/pwd_grp/getpwnam.c b/libc/pwd_grp/getpwnam.c
index b0674b15d..00adb57ca 100644
--- a/libc/pwd_grp/getpwnam.c
+++ b/libc/pwd_grp/getpwnam.c
@@ -18,6 +18,7 @@
*
*/
+#include <features.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
@@ -25,6 +26,16 @@
#include <paths.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
int getpwnam_r (const char *name, struct passwd *password,
char *buff, size_t buflen, struct passwd **crap)
{
@@ -53,9 +64,12 @@ struct passwd *getpwnam(const char *name)
static char line_buff[PWD_BUFFER_SIZE];
static struct passwd pwd;
+ LOCK;
if (getpwnam_r(name, &pwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
return &pwd;
}
+ UNLOCK;
return NULL;
}
diff --git a/libc/pwd_grp/getpwuid.c b/libc/pwd_grp/getpwuid.c
index ff3637abe..48ee6123d 100644
--- a/libc/pwd_grp/getpwuid.c
+++ b/libc/pwd_grp/getpwuid.c
@@ -18,12 +18,23 @@
*
*/
+#include <features.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <paths.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
int getpwuid_r (uid_t uid, struct passwd *password,
char *buff, size_t buflen, struct passwd **crap)
{
@@ -48,9 +59,12 @@ struct passwd *getpwuid(uid_t uid)
static char line_buff[PWD_BUFFER_SIZE];
static struct passwd pwd;
+ LOCK;
if (getpwuid_r(uid, &pwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
return &pwd;
}
+ UNLOCK;
return NULL;
}
diff --git a/libc/pwd_grp/getspnam.c b/libc/pwd_grp/getspnam.c
index d8a29a8a2..9d578f09a 100644
--- a/libc/pwd_grp/getspnam.c
+++ b/libc/pwd_grp/getspnam.c
@@ -17,12 +17,23 @@
*
*/
+#include <features.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
int getspnam_r (const char *name, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **crap)
{
@@ -51,9 +62,12 @@ struct spwd *getspnam(const char *name)
static char line_buff[PWD_BUFFER_SIZE];
static struct spwd spwd;
+ LOCK;
if (getspnam_r(name, &spwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
return &spwd;
}
+ UNLOCK;
return NULL;
}
diff --git a/libc/pwd_grp/getspuid.c b/libc/pwd_grp/getspuid.c
index f06eb1ad0..d57b2aa0b 100644
--- a/libc/pwd_grp/getspuid.c
+++ b/libc/pwd_grp/getspuid.c
@@ -17,11 +17,22 @@
*
*/
+#include <features.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
int getspuid_r (uid_t uid, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **crap)
{
@@ -39,9 +50,12 @@ struct spwd *getspuid(uid_t uid)
static char line_buff[PWD_BUFFER_SIZE];
static struct spwd spwd;
+ LOCK;
if (getspuid_r(uid, &spwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
return &spwd;
}
+ UNLOCK;
return NULL;
}
diff --git a/libc/pwd_grp/grent.c b/libc/pwd_grp/grent.c
index 42db9f9b6..f867a1aaf 100644
--- a/libc/pwd_grp/grent.c
+++ b/libc/pwd_grp/grent.c
@@ -24,30 +24,47 @@
* in together.
*/
+#include <features.h>
#include <unistd.h>
#include <fcntl.h>
#include <paths.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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 int grp_fd = -1;
void setgrent(void)
{
- if (grp_fd != -1)
- close(grp_fd);
- grp_fd = open(_PATH_GROUP, O_RDONLY);
+ LOCK;
+ if (grp_fd != -1)
+ close(grp_fd);
+ grp_fd = open(_PATH_GROUP, O_RDONLY);
+ UNLOCK;
}
void endgrent(void)
{
- if (grp_fd != -1)
- close(grp_fd);
- grp_fd = -1;
+ LOCK;
+ if (grp_fd != -1)
+ close(grp_fd);
+ grp_fd = -1;
+ UNLOCK;
}
struct group *getgrent(void)
{
- if (grp_fd == -1)
- return NULL;
- return __getgrent(grp_fd);
+ LOCK;
+ if (grp_fd == -1)
+ return NULL;
+ return __getgrent(grp_fd);
+ UNLOCK;
}
diff --git a/libc/pwd_grp/initgroups.c b/libc/pwd_grp/initgroups.c
index 91af42f42..fb19c0327 100644
--- a/libc/pwd_grp/initgroups.c
+++ b/libc/pwd_grp/initgroups.c
@@ -27,49 +27,49 @@
int initgroups(__const char *user, gid_t gid)
{
- register struct group *group;
+ register struct group *group;
#ifndef GR_DYNAMIC_GROUP_LIST
- gid_t group_list[GR_MAX_GROUPS];
+ gid_t group_list[GR_MAX_GROUPS];
#else
- gid_t *group_list = NULL;
+ gid_t *group_list = NULL;
#endif
- register char **tmp_mem;
- int num_groups;
- int grp_fd;
+ register char **tmp_mem;
+ int num_groups;
+ int grp_fd;
- if ((grp_fd = open(_PATH_GROUP, O_RDONLY)) < 0)
- return -1;
+ if ((grp_fd = open(_PATH_GROUP, O_RDONLY)) < 0)
+ return -1;
- num_groups = 0;
+ num_groups = 0;
#ifdef GR_DYNAMIC_GROUP_LIST
- group_list = (gid_t *) realloc(group_list, 1);
+ group_list = (gid_t *) realloc(group_list, 1);
#endif
- group_list[num_groups] = gid;
+ group_list[num_groups] = gid;
#ifndef GR_DYNAMIC_GROUP_LIST
- while (num_groups < GR_MAX_GROUPS &&
- (group = __getgrent(grp_fd)) != NULL)
+ 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++;
+ 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 *));
+ group_list = (gid_t *) realloc(group_list, num_groups *
+ sizeof(gid_t *));
#endif
- group_list[num_groups-1] = group->gr_gid;
- }
- tmp_mem++;
- }
+ group_list[num_groups-1] = group->gr_gid;
+ }
+ tmp_mem++;
}
+ }
}
- close(grp_fd);
- return setgroups(num_groups, group_list);
+ close(grp_fd);
+ return setgroups(num_groups, group_list);
}
diff --git a/libc/pwd_grp/lckpwdf.c b/libc/pwd_grp/lckpwdf.c
index 148d2c93a..6b20bd7e4 100644
--- a/libc/pwd_grp/lckpwdf.c
+++ b/libc/pwd_grp/lckpwdf.c
@@ -18,6 +18,7 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#include <features.h>
#include <fcntl.h>
#include <signal.h>
#include <string.h>
@@ -25,6 +26,16 @@
#include <sys/file.h>
#include <paths.h>
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
/* How long to wait for getting the lock before returning with an
error. */
#define TIMEOUT 15 /* sec */
@@ -50,10 +61,14 @@ int lckpwdf (void)
/* Still locked by own process. */
return -1;
+ LOCK;
+
lock_fd = open (_PATH_PASSWD, O_WRONLY);
- if (lock_fd == -1)
+ 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);
@@ -61,6 +76,7 @@ int lckpwdf (void)
/* Cannot get file flags. */
close(lock_fd);
lock_fd = -1;
+ UNLOCK;
return -1;
}
flags |= FD_CLOEXEC; /* Close on exit. */
@@ -68,6 +84,7 @@ int lckpwdf (void)
/* Cannot set new flags. */
close(lock_fd);
lock_fd = -1;
+ UNLOCK;
return -1;
}
@@ -89,6 +106,7 @@ int lckpwdf (void)
/* Cannot install signal handler. */
close(lock_fd);
lock_fd = -1;
+ UNLOCK;
return -1;
}
@@ -99,6 +117,7 @@ int lckpwdf (void)
sigaction (SIGALRM, &saved_act, NULL);
close(lock_fd);
lock_fd = -1;
+ UNLOCK;
return -1;
}
@@ -126,9 +145,11 @@ int lckpwdf (void)
if (result < 0) {
close(lock_fd);
lock_fd = -1;
+ UNLOCK;
return -1;
}
+ UNLOCK;
return 0;
}
@@ -142,10 +163,11 @@ int ulckpwdf (void)
result = -1;
}
else {
+ LOCK;
result = close (lock_fd);
-
/* Mark descriptor as unused. */
lock_fd = -1;
+ UNLOCK;
}
return result;
diff --git a/libc/pwd_grp/pwent.c b/libc/pwd_grp/pwent.c
index 55fd249bc..1bc129bf6 100644
--- a/libc/pwd_grp/pwent.c
+++ b/libc/pwd_grp/pwent.c
@@ -18,6 +18,7 @@
*
*/
+#include <features.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
@@ -25,6 +26,16 @@
#include <paths.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
/*
* 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
@@ -36,25 +47,32 @@ static int pw_fd = -1;
void setpwent(void)
{
+ LOCK;
if (pw_fd != -1)
close(pw_fd);
pw_fd = open(_PATH_PASSWD, O_RDONLY);
+ UNLOCK;
}
void endpwent(void)
{
+ 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 **crap)
{
+ LOCK;
if (pw_fd != -1 && __getpwent_r(password, buff, buflen, pw_fd) != -1) {
+ UNLOCK;
return 0;
}
+ UNLOCK;
return -1;
}
@@ -62,9 +80,12 @@ struct passwd *getpwent(void)
{
static char line_buff[PWD_BUFFER_SIZE];
static struct passwd pwd;
+ LOCK;
if (getpwent_r(&pwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
return &pwd;
}
+ UNLOCK;
return NULL;
}
diff --git a/libc/pwd_grp/sgetspent.c b/libc/pwd_grp/sgetspent.c
index 83b1144ee..1925a78ec 100644
--- a/libc/pwd_grp/sgetspent.c
+++ b/libc/pwd_grp/sgetspent.c
@@ -17,10 +17,21 @@
*
*/
+#include <features.h>
#include <errno.h>
#include <stdio.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
int sgetspent_r (const char *string, struct spwd *spwd,
char *buff, size_t buflen, struct spwd **crap)
{
@@ -32,8 +43,11 @@ struct spwd *sgetspent(const char *string)
static char line_buff[PWD_BUFFER_SIZE];
static struct spwd spwd;
+ LOCK;
if (sgetspent_r(string, &spwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
return &spwd;
}
+ UNLOCK;
return NULL;
}
diff --git a/libc/pwd_grp/spent.c b/libc/pwd_grp/spent.c
index c1305b15e..d1b8ca07c 100644
--- a/libc/pwd_grp/spent.c
+++ b/libc/pwd_grp/spent.c
@@ -17,12 +17,23 @@
*
*/
+#include <features.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include "config.h"
+#ifdef __UCLIBC_HAS_THREADS__
+#include <pthread.h>
+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
+
/*
* setspent(), endspent(), and getspent() are included in the same object
* file, since one cannot be used without the other two, so it makes sense to
@@ -34,25 +45,31 @@ static int spwd_fd = -1;
void setspent(void)
{
+ 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;
}
int getspent_r (struct spwd *spwd, char *buff,
size_t buflen, struct spwd **crap)
{
+ LOCK;
if (spwd_fd != -1 && __getspent_r(spwd, buff, buflen, spwd_fd) != -1) {
+ UNLOCK;
return 0;
}
+ UNLOCK;
return -1;
}
@@ -61,9 +78,12 @@ struct spwd *getspent(void)
static char line_buff[PWD_BUFFER_SIZE];
static struct spwd spwd;
+ LOCK;
if (getspent_r(&spwd, line_buff, sizeof(line_buff), NULL) != -1) {
+ UNLOCK;
return &spwd;
}
+ UNLOCK;
return NULL;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 23:17:42 +0000