Added code to initialize the /etc/group and /etc/passwd files.

c/src/exec/libcsupport/src/getgrent.c

@@ -1,7 +1,14 @@
 /*
+ *  POSIX 1003.1b - 9.2.1 - Group Database Access Routines
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
  *  $Id$
  */
 
+
 #include <stdio.h>
 #include <sys/types.h>
 #include <grp.h>
@@ -14,11 +21,20 @@
 static struct group gr_group;    /* password structure */
 static FILE *group_fp;
 
+/*
+ *  The size of these buffers is arbitrary and there is no provision
+ *  to protect any of them from overflowing.  The scanf patterns
+ *  need to be changed to prevent overflowing.  In addition,
+ *  the limits on these needs to be examined.
+ */
+
 static char groupname[8];
 static char password[1024];
 static char groups[1024];
 static char *gr_mem[16] = { } ;
 
+extern void init_etc_passwd_group(void);
+
 int getgrnam_r(
   const char     *name,
   struct group   *grp,
@@ -29,6 +45,8 @@ int getgrnam_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/group", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -76,6 +94,8 @@ int getgrgid_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/group", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -137,6 +157,8 @@ struct group *getgrent( void )
 void
 setgrent ()
 {
+  init_etc_passwd_group();
+
   if (group_fp != NULL)
     fclose (group_fp);
 

c/src/exec/libcsupport/src/getpwent.c

@@ -1,3 +1,13 @@
+/*
+ *  POSIX 1003.1b - 9.2.2 - User Database Access Routines
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
 #include <stdio.h>
 #include <sys/types.h>
 #include <pwd.h>
@@ -6,10 +16,19 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
+#include <fcntl.h>
+#include <unistd.h>
 
 static struct passwd pw_passwd;  /* password structure */
 static FILE *passwd_fp;
 
+/*
+ *  The size of these buffers is arbitrary and there is no provision
+ *  to protect any of them from overflowing.  The scanf patterns
+ *  need to be changed to prevent overflowing.  In addition,
+ *  the limits on these needs to be examined.
+ */
+
 static char logname[8];
 static char password[1024];
 static char comment[1024];
@@ -17,6 +36,50 @@ static char gecos[1024];
 static char dir[1024];
 static char shell[1024];
 
+/*
+ *  Initialize a useable but dummy /etc/passwd
+ *
+ *  NOTE: Ignore all errors.
+ *
+ */
+
+static char etc_passwd_initted = 0;
+
+void init_etc_passwd_group(void)
+{
+  FILE *fp;
+
+  if ( etc_passwd_initted )
+    return;
+  etc_passwd_initted = 1;
+  
+  (void) mkdir( "/etc", S_IRWXU | S_IRWXG | S_IRWXO );
+
+  /*
+   *  Initialize /etc/passwd
+   */
+
+  if ((fp = fopen ("/etc/passwd", "w")) == NULL)
+    return;
+
+  fprintf( fp, "root:*:0:0:root,,,,:/tmp:/bin/false\n"
+               "rtems:*:1:1:RTEMS Application,,,,:/tmp:/bin/false\n" );
+
+  fclose( fp );
+
+  /*
+   *  Initialize /etc/group
+   */
+
+  if ((fp = fopen ("/etc/group", "w")) == NULL)
+    return;
+
+  fprintf( fp, "root::0:root\n"
+               "rtems::0:rtems\n" );
+
+  fclose( fp );
+}
+
 int getpwnam_r(
   const char     *name,
   struct passwd  *pwd,
@@ -27,6 +90,8 @@ int getpwnam_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/passwd", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -78,6 +143,8 @@ int getpwuid_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/passwd", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -145,6 +212,8 @@ struct passwd *getpwent()
 
 void setpwent( void )
 {
+  init_etc_passwd_group();
+
   if (passwd_fp != NULL)
     fclose (passwd_fp);
 

c/src/lib/libc/getgrent.c

@@ -1,7 +1,14 @@
 /*
+ *  POSIX 1003.1b - 9.2.1 - Group Database Access Routines
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
  *  $Id$
  */
 
+
 #include <stdio.h>
 #include <sys/types.h>
 #include <grp.h>
@@ -14,11 +21,20 @@
 static struct group gr_group;    /* password structure */
 static FILE *group_fp;
 
+/*
+ *  The size of these buffers is arbitrary and there is no provision
+ *  to protect any of them from overflowing.  The scanf patterns
+ *  need to be changed to prevent overflowing.  In addition,
+ *  the limits on these needs to be examined.
+ */
+
 static char groupname[8];
 static char password[1024];
 static char groups[1024];
 static char *gr_mem[16] = { } ;
 
+extern void init_etc_passwd_group(void);
+
 int getgrnam_r(
   const char     *name,
   struct group   *grp,
@@ -29,6 +45,8 @@ int getgrnam_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/group", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -76,6 +94,8 @@ int getgrgid_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/group", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -137,6 +157,8 @@ struct group *getgrent( void )
 void
 setgrent ()
 {
+  init_etc_passwd_group();
+
   if (group_fp != NULL)
     fclose (group_fp);
 

c/src/lib/libc/getpwent.c

@@ -1,3 +1,13 @@
+/*
+ *  POSIX 1003.1b - 9.2.2 - User Database Access Routines
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
 #include <stdio.h>
 #include <sys/types.h>
 #include <pwd.h>
@@ -6,10 +16,19 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
+#include <fcntl.h>
+#include <unistd.h>
 
 static struct passwd pw_passwd;  /* password structure */
 static FILE *passwd_fp;
 
+/*
+ *  The size of these buffers is arbitrary and there is no provision
+ *  to protect any of them from overflowing.  The scanf patterns
+ *  need to be changed to prevent overflowing.  In addition,
+ *  the limits on these needs to be examined.
+ */
+
 static char logname[8];
 static char password[1024];
 static char comment[1024];
@@ -17,6 +36,50 @@ static char gecos[1024];
 static char dir[1024];
 static char shell[1024];
 
+/*
+ *  Initialize a useable but dummy /etc/passwd
+ *
+ *  NOTE: Ignore all errors.
+ *
+ */
+
+static char etc_passwd_initted = 0;
+
+void init_etc_passwd_group(void)
+{
+  FILE *fp;
+
+  if ( etc_passwd_initted )
+    return;
+  etc_passwd_initted = 1;
+  
+  (void) mkdir( "/etc", S_IRWXU | S_IRWXG | S_IRWXO );
+
+  /*
+   *  Initialize /etc/passwd
+   */
+
+  if ((fp = fopen ("/etc/passwd", "w")) == NULL)
+    return;
+
+  fprintf( fp, "root:*:0:0:root,,,,:/tmp:/bin/false\n"
+               "rtems:*:1:1:RTEMS Application,,,,:/tmp:/bin/false\n" );
+
+  fclose( fp );
+
+  /*
+   *  Initialize /etc/group
+   */
+
+  if ((fp = fopen ("/etc/group", "w")) == NULL)
+    return;
+
+  fprintf( fp, "root::0:root\n"
+               "rtems::0:rtems\n" );
+
+  fclose( fp );
+}
+
 int getpwnam_r(
   const char     *name,
   struct passwd  *pwd,
@@ -27,6 +90,8 @@ int getpwnam_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/passwd", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -78,6 +143,8 @@ int getpwuid_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/passwd", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -145,6 +212,8 @@ struct passwd *getpwent()
 
 void setpwent( void )
 {
+  init_etc_passwd_group();
+
   if (passwd_fp != NULL)
     fclose (passwd_fp);
 

cpukit/libcsupport/src/getgrent.c

@@ -1,7 +1,14 @@
 /*
+ *  POSIX 1003.1b - 9.2.1 - Group Database Access Routines
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
  *  $Id$
  */
 
+
 #include <stdio.h>
 #include <sys/types.h>
 #include <grp.h>
@@ -14,11 +21,20 @@
 static struct group gr_group;    /* password structure */
 static FILE *group_fp;
 
+/*
+ *  The size of these buffers is arbitrary and there is no provision
+ *  to protect any of them from overflowing.  The scanf patterns
+ *  need to be changed to prevent overflowing.  In addition,
+ *  the limits on these needs to be examined.
+ */
+
 static char groupname[8];
 static char password[1024];
 static char groups[1024];
 static char *gr_mem[16] = { } ;
 
+extern void init_etc_passwd_group(void);
+
 int getgrnam_r(
   const char     *name,
   struct group   *grp,
@@ -29,6 +45,8 @@ int getgrnam_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/group", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -76,6 +94,8 @@ int getgrgid_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/group", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -137,6 +157,8 @@ struct group *getgrent( void )
 void
 setgrent ()
 {
+  init_etc_passwd_group();
+
   if (group_fp != NULL)
     fclose (group_fp);
 

cpukit/libcsupport/src/getpwent.c

@@ -1,3 +1,13 @@
+/*
+ *  POSIX 1003.1b - 9.2.2 - User Database Access Routines
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
 #include <stdio.h>
 #include <sys/types.h>
 #include <pwd.h>
@@ -6,10 +16,19 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
+#include <fcntl.h>
+#include <unistd.h>
 
 static struct passwd pw_passwd;  /* password structure */
 static FILE *passwd_fp;
 
+/*
+ *  The size of these buffers is arbitrary and there is no provision
+ *  to protect any of them from overflowing.  The scanf patterns
+ *  need to be changed to prevent overflowing.  In addition,
+ *  the limits on these needs to be examined.
+ */
+
 static char logname[8];
 static char password[1024];
 static char comment[1024];
@@ -17,6 +36,50 @@ static char gecos[1024];
 static char dir[1024];
 static char shell[1024];
 
+/*
+ *  Initialize a useable but dummy /etc/passwd
+ *
+ *  NOTE: Ignore all errors.
+ *
+ */
+
+static char etc_passwd_initted = 0;
+
+void init_etc_passwd_group(void)
+{
+  FILE *fp;
+
+  if ( etc_passwd_initted )
+    return;
+  etc_passwd_initted = 1;
+  
+  (void) mkdir( "/etc", S_IRWXU | S_IRWXG | S_IRWXO );
+
+  /*
+   *  Initialize /etc/passwd
+   */
+
+  if ((fp = fopen ("/etc/passwd", "w")) == NULL)
+    return;
+
+  fprintf( fp, "root:*:0:0:root,,,,:/tmp:/bin/false\n"
+               "rtems:*:1:1:RTEMS Application,,,,:/tmp:/bin/false\n" );
+
+  fclose( fp );
+
+  /*
+   *  Initialize /etc/group
+   */
+
+  if ((fp = fopen ("/etc/group", "w")) == NULL)
+    return;
+
+  fprintf( fp, "root::0:root\n"
+               "rtems::0:rtems\n" );
+
+  fclose( fp );
+}
+
 int getpwnam_r(
   const char     *name,
   struct passwd  *pwd,
@@ -27,6 +90,8 @@ int getpwnam_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/passwd", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -78,6 +143,8 @@ int getpwuid_r(
 {
   FILE *fp;
 
+  init_etc_passwd_group();
+
   if ((fp = fopen ("/etc/passwd", "r")) == NULL) {
     errno = EINVAL;
     return -1;
@@ -145,6 +212,8 @@ struct passwd *getpwent()
 
 void setpwent( void )
 {
+  init_etc_passwd_group();
+
   if (passwd_fp != NULL)
     fclose (passwd_fp);