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AIX ACLs donated by IBM.

Browse Source 
Merge Andrew's fnmatch fix for WfW.
Jeremy.
(This used to be commit 1d4438f07745df3d02ed8ab3ef048e20016816b6)
This commit is contained in:
Jeremy Allison 2001-04-17 05:41:07 +00:00
parent 4355098a75
commit 8a1c2e0298
7 changed files with 1062 additions and 18 deletions
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1
source3/acconfig.h
View File

@ -144,4 +144,5 @@
#undef HAVE_SOLARIS_ACLS
#undef HAVE_IRIX_ACLS
#undef HAVE_XFS_ACLS
#undef HAVE_AIX_ACLS
#undef HAVE_NO_ACLS

35
source3/configure vendored
View File

@ -12058,12 +12058,19 @@ EOF
echo "$ac_t""Using IRIX ACLs" 1>&6
cat >> confdefs.h <<\EOF
#define HAVE_IRIX_ACLS 1
EOF
;;
*aix*)
echo "$ac_t""Using AIX ACLs" 1>&6
cat >> confdefs.h <<\EOF
#define HAVE_AIX_ACLS 1
EOF
;;
*)
echo $ac_n "checking for acl_get_file in -lacl""... $ac_c" 1>&6
echo "configure:12067: checking for acl_get_file in -lacl" >&5
echo "configure:12074: checking for acl_get_file in -lacl" >&5
ac_lib_var=`echo acl'_'acl_get_file | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@ -12071,7 +12078,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lacl $LIBS"
cat > conftest.$ac_ext <<EOF
#line 12075 "configure"
#line 12082 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@ -12082,7 +12089,7 @@ int main() {
acl_get_file()
; return 0; }
EOF
if { (eval echo configure:12086: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:12093: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -12110,13 +12117,13 @@ else
fi
echo $ac_n "checking for ACL support""... $ac_c" 1>&6
echo "configure:12114: checking for ACL support" >&5
echo "configure:12121: checking for ACL support" >&5
if eval "test \"`echo '$''{'samba_cv_HAVE_POSIX_ACLS'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 12120 "configure"
#line 12127 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/acl.h>
@ -12124,7 +12131,7 @@ int main() {
acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);
; return 0; }
EOF
if { (eval echo configure:12128: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:12135: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
samba_cv_HAVE_POSIX_ACLS=yes
else
@ -12144,13 +12151,13 @@ echo "$ac_t""$samba_cv_HAVE_POSIX_ACLS" 1>&6
EOF
echo $ac_n "checking for acl_get_perm_np""... $ac_c" 1>&6
echo "configure:12148: checking for acl_get_perm_np" >&5
echo "configure:12155: checking for acl_get_perm_np" >&5
if eval "test \"`echo '$''{'samba_cv_HAVE_ACL_GET_PERM_NP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 12154 "configure"
#line 12161 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/acl.h>
@ -12158,7 +12165,7 @@ int main() {
acl_permset_t permset_d; acl_perm_t perm; return acl_get_perm_np( permset_d, perm);
; return 0; }
EOF
if { (eval echo configure:12162: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:12169: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
samba_cv_HAVE_ACL_GET_PERM_NP=yes
else
@ -12179,13 +12186,13 @@ EOF
fi
fi
echo $ac_n "checking for XFS ACL support""... $ac_c" 1>&6
echo "configure:12183: checking for XFS ACL support" >&5
echo "configure:12190: checking for XFS ACL support" >&5
if eval "test \"`echo '$''{'samba_cv_HAVE_XFS_ACLS'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 12189 "configure"
#line 12196 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <acl/acl.h>
@ -12193,7 +12200,7 @@ int main() {
char test_str[13] = SGI_ACL_FILE;
; return 0; }
EOF
if { (eval echo configure:12197: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:12204: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
samba_cv_HAVE_XFS_ACLS=yes
else
@ -12238,11 +12245,11 @@ if test "$cross_compiling" = yes; then
:
else
cat > conftest.$ac_ext <<EOF
#line 12242 "configure"
#line 12249 "configure"
#include "confdefs.h"
#include "${srcdir-.}/tests/summary.c"
EOF
if { (eval echo configure:12246: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:12253: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
echo "configure OK";
else

4
source3/configure.in
View File

@ -2090,6 +2090,10 @@ AC_ARG_WITH(acl-support,
AC_MSG_RESULT(Using IRIX ACLs)
AC_DEFINE(HAVE_IRIX_ACLS)
;;
*aix*)
AC_MSG_RESULT(Using AIX ACLs)
AC_DEFINE(HAVE_AIX_ACLS)
;;
*)
AC_CHECK_LIB(acl,acl_get_file)
AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[

1
source3/include/config.h.in
View File

@ -207,6 +207,7 @@
#undef HAVE_SOLARIS_ACLS
#undef HAVE_IRIX_ACLS
#undef HAVE_XFS_ACLS
#undef HAVE_AIX_ACLS
#undef HAVE_NO_ACLS
/* The number of bytes in a int. */

47
source3/include/smb_acls.h
View File

@ -166,6 +166,53 @@ typedef ushort *SMB_ACL_PERMSET_T;
#define EXTENDED_PERM_BITS (ACL_CHOWN|ACL_CHMOD|ACL_DELETE)
#endif /* CONFIG_EXTENDED_PERMISSION */
#elif defined(HAVE_AIX_ACLS)
/* Donated by Medha Date, mdate@austin.ibm.com, for IBM */
#include "/usr/include/acl.h"
typedef uint *SMB_ACL_PERMSET_T;
struct acl_entry_link{
struct acl_entry_link *prevp;
struct new_acl_entry *entryp;
struct acl_entry_link *nextp;
int count;
};
struct new_acl_entry{
unsigned short ace_len;
unsigned short ace_type;
unsigned int ace_access;
struct ace_id ace_id[1];
};
#define SMB_ACL_ENTRY_T struct new_acl_entry*
#define SMB_ACL_T struct acl_entry_link*
#define SMB_ACL_TAG_T unsigned short
#define SMB_ACL_TYPE_T int
#define SMB_ACL_PERM_T uint
#define SMB_ACL_READ S_IRUSR
#define SMB_ACL_WRITE S_IWUSR
#define SMB_ACL_EXECUTE S_IXUSR
/* Types of ACLs. */
#define SMB_ACL_USER ACEID_USER
#define SMB_ACL_USER_OBJ 3
#define SMB_ACL_GROUP ACEID_GROUP
#define SMB_ACL_GROUP_OBJ 4
#define SMB_ACL_OTHER 5
#define SMB_ACL_MASK 6
#define SMB_ACL_FIRST_ENTRY 1
#define SMB_ACL_NEXT_ENTRY 2
#define SMB_ACL_TYPE_ACCESS 0
#define SMB_ACL_TYPE_DEFAULT 1
#else /* No ACLs. */
/* No ACLS - fake it. */

105
source3/lib/ms_fnmatch.c
View File

@ -31,6 +31,106 @@
#include "includes.h"
#endif
/*
bugger. we need a separate wildcard routine for older versions
of the protocol. This is not yet perfect, but its a lot
better thaan what we had */
static int ms_fnmatch_lanman_core(char *pattern, char *string)
{
char *p = pattern, *n = string;
char c;
if (strcmp(p,"?")==0 && strcmp(n,".")==0) goto match;
while ((c = *p++)) {
switch (c) {
case '.':
/* if (! *n && ! *p) goto match; */
if (*n != '.') goto nomatch;
n++;
break;
case '?':
if ((*n == '.' && n[1] != '.') || ! *n) goto next;
n++;
break;
case '>':
if (n[0] == '.') {
if (! n[1] && ms_fnmatch_lanman_core(p, n+1) == 0) goto match;
if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
goto nomatch;
}
if (! *n) goto next;
n++;
break;
case '*':
if (! *p) goto match;
for (; *n; n++) {
if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
}
break;
case '<':
for (; *n; n++) {
if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
if (*n == '.' && !strchr(n+1,'.')) {
n++;
break;
}
}
break;
case '"':
if (*n == 0 && ms_fnmatch_lanman_core(p, n) == 0) goto match;
if (*n != '.') goto nomatch;
n++;
break;
default:
if (c != *n) goto nomatch;
n++;
}
}
if (! *n) goto match;
nomatch:
/*
if (verbose) printf("NOMATCH pattern=[%s] string=[%s]\n", pattern, string);
*/
return -1;
next:
if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
goto nomatch;
match:
/*
if (verbose) printf("MATCH pattern=[%s] string=[%s]\n", pattern, string);
*/
return 0;
}
static int ms_fnmatch_lanman1(char *pattern, char *string)
{
if (!strpbrk(pattern, "?*<>\"")) {
if (strcmp(string,"..") == 0) string = ".";
return strcmp(pattern, string);
}
if (strcmp(string,"..") == 0 || strcmp(string,".") == 0) {
return ms_fnmatch_lanman_core(pattern, "..") &&
ms_fnmatch_lanman_core(pattern, ".");
}
return ms_fnmatch_lanman_core(pattern, string);
}
/* the following function was derived using the masktest utility -
after years of effort we finally have a perfect MS wildcard
matching routine!
@ -43,6 +143,11 @@ int ms_fnmatch(char *pattern, char *string)
{
char *p = pattern, *n = string;
char c;
extern int Protocol;
if (Protocol <= PROTOCOL_LANMAN2) {
return ms_fnmatch_lanman1(pattern, string);
}
while ((c = *p++)) {
switch (c) {

887
source3/lib/sysacls.c
View File

@ -1161,8 +1161,8 @@ int sys_acl_get_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
int sys_acl_add_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
{
// TO DO: Add in ALL possible permissions here
// TO DO: Include extended ones!!
/* TO DO: Add in ALL possible permissions here */
/* TO DO: Include extended ones!! */
if (perm != SMB_ACL_READ && perm != SMB_ACL_WRITE && perm != SMB_ACL_EXECUTE) {
errno = EINVAL;
@ -1187,7 +1187,7 @@ SMB_ACL_T sys_acl_init( int count)
return NULL;
}
else {
a = (struct acl *)malloc(sizeof(struct acl)); // where is this memory freed?
a = (struct acl *)malloc(sizeof(struct acl)); /* where is this memory freed? */
a->acl_cnt = 0;
return a;
}
@ -1227,7 +1227,7 @@ int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry_d, void *qual_p)
int sys_acl_set_permset( SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T permset_d)
{
// TO DO: expand to extended permissions eventually!
/* TO DO: expand to extended permissions eventually! */
if(*permset_d & ~(SMB_ACL_READ|SMB_ACL_WRITE|SMB_ACL_EXECUTE)) {
return EINVAL;
@ -1251,6 +1251,885 @@ int sys_acl_free_qualifier(void *qual)
return 0;
}
#elif defined(HAVE_AIX_ACLS)
/* Donated by Medha Date, mdate@austin.ibm.com, for IBM */
int sys_acl_get_entry( SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
{
struct acl_entry_link *link;
struct new_acl_entry *entry;
int keep_going;
DEBUG(10,("This is the count: %d\n",theacl->count));
/* Check if count was previously set to -1. *
* If it was, that means we reached the end *
* of the acl last time. */
if(theacl->count == -1)
return(0);
link = theacl;
/* To get to the next acl, traverse linked list until index *
* of acl matches the count we are keeping. This count is *
* incremented each time we return an acl entry. */
for(keep_going = 0; keep_going < theacl->count; keep_going++)
link = link->nextp;
entry = *entry_p = link->entryp;
DEBUG(10,("*entry_p is %d\n",entry_p));
DEBUG(10,("*entry_p->ace_access is %d\n",entry->ace_access));
/* Increment count */
theacl->count++;
if(link->nextp == NULL)
theacl->count = -1;
return(1);
}
int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
{
/* Initialize tag type */
*tag_type_p = -1;
DEBUG(10,("the tagtype is %d\n",entry_d->ace_id->id_type));
/* Depending on what type of entry we have, *
* return tag type. */
switch(entry_d->ace_id->id_type) {
case ACEID_USER:
*tag_type_p = SMB_ACL_USER;
break;
case ACEID_GROUP:
*tag_type_p = SMB_ACL_GROUP;
break;
case SMB_ACL_USER_OBJ:
case SMB_ACL_GROUP_OBJ:
case SMB_ACL_OTHER:
*tag_type_p = entry_d->ace_id->id_type;
break;
default:
return(-1);
}
return(0);
}
int sys_acl_get_permset( SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
{
DEBUG(10,("Starting AIX sys_acl_get_permset\n"));
*permset_p = &entry_d->ace_access;
DEBUG(10,("**permset_p is %d\n",**permset_p));
if(!(**permset_p & S_IXUSR) &&
!(**permset_p & S_IWUSR) &&
!(**permset_p & S_IRUSR) &&
(**permset_p != 0))
return(-1);
DEBUG(10,("Ending AIX sys_acl_get_permset\n"));
return(0);
}
void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d)
{
return(entry_d->ace_id->id_data);
}
SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type)
{
struct acl *file_acl = (struct acl *)NULL;
struct acl_entry *acl_entry;
struct new_acl_entry *new_acl_entry;
struct ace_id *idp;
struct acl_entry_link *acl_entry_link;
struct acl_entry_link *acl_entry_link_head;
int i;
int rc = 0;
uid_t user_id;
/* Get the acl using statacl */
DEBUG(10,("Entering sys_acl_get_file\n"));
DEBUG(10,("path_p is %s\n",path_p));
file_acl = (struct acl *)malloc(BUFSIZ);
if(file_acl == NULL) {
errno=ENOMEM;
DEBUG(0,("Error in AIX sys_acl_get_file: %d\n",errno));
return(NULL);
}
memset(file_acl,0,BUFSIZ);
rc = statacl((char *)path_p,0,file_acl,BUFSIZ);
if(rc == -1) {
DEBUG(0,("statacl returned %d with errno %d\n",rc,errno));
free(file_acl);
return(NULL);
}
DEBUG(10,("Got facl and returned it\n"));
/* Point to the first acl entry in the acl */
acl_entry = file_acl->acl_ext;
/* Begin setting up the head of the linked list *
* that will be used for the storing the acl *
* in a way that is useful for the posix_acls.c *
* code. */
acl_entry_link_head = acl_entry_link = sys_acl_init(0);
if(acl_entry_link_head == NULL)
return(NULL);
acl_entry_link->entryp = (struct new_acl_entry *)malloc(sizeof(struct new_acl_entry));
if(acl_entry_link->entryp == NULL) {
free(file_acl);
errno = ENOMEM;
DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
return(NULL);
}
DEBUG(10,("acl_entry is %d\n",acl_entry));
DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl)));
/* Check if the extended acl bit is on. *
* If it isn't, do not show the *
* contents of the acl since AIX intends *
* the extended info to remain unused */
if(file_acl->acl_mode & S_IXACL){
/* while we are not pointing to the very end */
while(acl_entry < acl_last(file_acl)) {
/* before we malloc anything, make sure this is */
/* a valid acl entry and one that we want to map */
idp = id_nxt(acl_entry->ace_id);
if((acl_entry->ace_type == ACC_SPECIFY ||
(acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) {
acl_entry = acl_nxt(acl_entry);
continue;
}
idp = acl_entry->ace_id;
/* Check if this is the first entry in the linked list. *
* The first entry needs to keep prevp pointing to NULL *
* and already has entryp allocated. */
if(acl_entry_link_head->count != 0) {
acl_entry_link->nextp = (struct acl_entry_link *)
malloc(sizeof(struct acl_entry_link));
if(acl_entry_link->nextp == NULL) {
free(file_acl);
errno = ENOMEM;
DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
return(NULL);
}
acl_entry_link->nextp->prevp = acl_entry_link;
acl_entry_link = acl_entry_link->nextp;
acl_entry_link->entryp = (struct new_acl_entry *)malloc(sizeof(struct new_acl_entry));
if(acl_entry_link->entryp == NULL) {
free(file_acl);
errno = ENOMEM;
DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
return(NULL);
}
acl_entry_link->nextp = NULL;
}
acl_entry_link->entryp->ace_len = acl_entry->ace_len;
/* Don't really need this since all types are going *
* to be specified but, it's better than leaving it 0 */
acl_entry_link->entryp->ace_type = acl_entry->ace_type;
acl_entry_link->entryp->ace_access = acl_entry->ace_access;
memcpy(acl_entry_link->entryp->ace_id,idp,sizeof(struct ace_id));
/* The access in the acl entries must be left shifted by *
* three bites, because they will ultimately be compared *
* to S_IRUSR, S_IWUSR, and S_IXUSR. */
switch(acl_entry->ace_type){
case ACC_PERMIT:
case ACC_SPECIFY:
acl_entry_link->entryp->ace_access = acl_entry->ace_access;
acl_entry_link->entryp->ace_access <<= 6;
acl_entry_link_head->count++;
break;
case ACC_DENY:
/* Since there is no way to return a DENY acl entry *
* change to PERMIT and then shift. */
DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access));
acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7;
DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access));
acl_entry_link->entryp->ace_access <<= 6;
acl_entry_link_head->count++;
break;
default:
return(0);
}
DEBUG(10,("acl_entry = %d\n",acl_entry));
DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type));
acl_entry = acl_nxt(acl_entry);
}
} /* end of if enabled */
/* Since owner, group, other acl entries are not *
* part of the acl entries in an acl, they must *
* be dummied up to become part of the list. */
for( i = 1; i < 4; i++) {
DEBUG(10,("i is %d\n",i));
if(acl_entry_link_head->count != 0) {
acl_entry_link->nextp = (struct acl_entry_link *)malloc(sizeof(struct acl_entry_link));
if(acl_entry_link->nextp == NULL) {
free(file_acl);
errno = ENOMEM;
DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
return(NULL);
}
acl_entry_link->nextp->prevp = acl_entry_link;
acl_entry_link = acl_entry_link->nextp;
acl_entry_link->entryp = (struct new_acl_entry *)malloc(sizeof(struct new_acl_entry));
if(acl_entry_link->entryp == NULL) {
free(file_acl);
errno = ENOMEM;
DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno));
return(NULL);
}
}
acl_entry_link->nextp = NULL;
new_acl_entry = acl_entry_link->entryp;
idp = new_acl_entry->ace_id;
new_acl_entry->ace_len = sizeof(struct acl_entry);
new_acl_entry->ace_type = ACC_PERMIT;
idp->id_len = sizeof(struct ace_id);
DEBUG(10,("idp->id_len = %d\n",idp->id_len));
memset(idp->id_data,0,sizeof(uid_t));
switch(i) {
case 2:
new_acl_entry->ace_access = file_acl->g_access << 6;
idp->id_type = SMB_ACL_GROUP_OBJ;
break;
case 3:
new_acl_entry->ace_access = file_acl->o_access << 6;
idp->id_type = SMB_ACL_OTHER;
break;
case 1:
new_acl_entry->ace_access = file_acl->u_access << 6;
idp->id_type = SMB_ACL_USER_OBJ;
break;
default:
return(NULL);
}
acl_entry_link_head->count++;
DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access));
}
acl_entry_link_head->count = 0;
free(file_acl);
return(acl_entry_link_head);
}
SMB_ACL_T sys_acl_get_fd(int fd)
{
struct acl *file_acl = (struct acl *)NULL;
struct acl_entry *acl_entry;
struct new_acl_entry *new_acl_entry;
struct ace_id *idp;
struct acl_entry_link *acl_entry_link;
struct acl_entry_link *acl_entry_link_head;
int i;
int rc = 0;
uid_t user_id;
/* Get the acl using fstatacl */
DEBUG(10,("Entering sys_acl_get_fd\n"));
DEBUG(10,("fd is %d\n",fd));
file_acl = (struct acl *)malloc(BUFSIZ);
if(file_acl == NULL) {
errno=ENOMEM;
DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
return(NULL);
}
memset(file_acl,0,BUFSIZ);
rc = fstatacl(fd,0,file_acl,BUFSIZ);
if(rc == -1) {
DEBUG(0,("The fstatacl call returned %d with errno %d\n",rc,errno));
free(file_acl);
return(NULL);
}
DEBUG(10,("Got facl and returned it\n"));
/* Point to the first acl entry in the acl */
acl_entry = file_acl->acl_ext;
/* Begin setting up the head of the linked list *
* that will be used for the storing the acl *
* in a way that is useful for the posix_acls.c *
* code. */
acl_entry_link_head = acl_entry_link = sys_acl_init(0);
if(acl_entry_link_head == NULL){
free(file_acl);
return(NULL);
}
acl_entry_link->entryp = (struct new_acl_entry *)malloc(sizeof(struct new_acl_entry));
if(acl_entry_link->entryp == NULL) {
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
free(file_acl);
return(NULL);
}
DEBUG(10,("acl_entry is %d\n",acl_entry));
DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl)));
/* Check if the extended acl bit is on. *
* If it isn't, do not show the *
* contents of the acl since AIX intends *
* the extended info to remain unused */
if(file_acl->acl_mode & S_IXACL){
/* while we are not pointing to the very end */
while(acl_entry < acl_last(file_acl)) {
/* before we malloc anything, make sure this is */
/* a valid acl entry and one that we want to map */
idp = id_nxt(acl_entry->ace_id);
if((acl_entry->ace_type == ACC_SPECIFY ||
(acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) {
acl_entry = acl_nxt(acl_entry);
continue;
}
idp = acl_entry->ace_id;
/* Check if this is the first entry in the linked list. *
* The first entry needs to keep prevp pointing to NULL *
* and already has entryp allocated. */
if(acl_entry_link_head->count != 0) {
acl_entry_link->nextp = (struct acl_entry_link *)malloc(sizeof(struct acl_entry_link));
if(acl_entry_link->nextp == NULL) {
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
free(file_acl);
return(NULL);
}
acl_entry_link->nextp->prevp = acl_entry_link;
acl_entry_link = acl_entry_link->nextp;
acl_entry_link->entryp = (struct new_acl_entry *)malloc(sizeof(struct new_acl_entry));
if(acl_entry_link->entryp == NULL) {
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
free(file_acl);
return(NULL);
}
acl_entry_link->nextp = NULL;
}
acl_entry_link->entryp->ace_len = acl_entry->ace_len;
/* Don't really need this since all types are going *
* to be specified but, it's better than leaving it 0 */
acl_entry_link->entryp->ace_type = acl_entry->ace_type;
acl_entry_link->entryp->ace_access = acl_entry->ace_access;
memcpy(acl_entry_link->entryp->ace_id, idp, sizeof(struct ace_id));
/* The access in the acl entries must be left shifted by *
* three bites, because they will ultimately be compared *
* to S_IRUSR, S_IWUSR, and S_IXUSR. */
switch(acl_entry->ace_type){
case ACC_PERMIT:
case ACC_SPECIFY:
acl_entry_link->entryp->ace_access = acl_entry->ace_access;
acl_entry_link->entryp->ace_access <<= 6;
acl_entry_link_head->count++;
break;
case ACC_DENY:
/* Since there is no way to return a DENY acl entry *
* change to PERMIT and then shift. */
DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access));
acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7;
DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access));
acl_entry_link->entryp->ace_access <<= 6;
acl_entry_link_head->count++;
break;
default:
return(0);
}
DEBUG(10,("acl_entry = %d\n",acl_entry));
DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type));
acl_entry = acl_nxt(acl_entry);
}
} /* end of if enabled */
/* Since owner, group, other acl entries are not *
* part of the acl entries in an acl, they must *
* be dummied up to become part of the list. */
for( i = 1; i < 4; i++) {
DEBUG(10,("i is %d\n",i));
if(acl_entry_link_head->count != 0){
acl_entry_link->nextp = (struct acl_entry_link *)malloc(sizeof(struct acl_entry_link));
if(acl_entry_link->nextp == NULL) {
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
free(file_acl);
return(NULL);
}
acl_entry_link->nextp->prevp = acl_entry_link;
acl_entry_link = acl_entry_link->nextp;
acl_entry_link->entryp = (struct new_acl_entry *)malloc(sizeof(struct new_acl_entry));
if(acl_entry_link->entryp == NULL) {
free(file_acl);
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno));
return(NULL);
}
}
acl_entry_link->nextp = NULL;
new_acl_entry = acl_entry_link->entryp;
idp = new_acl_entry->ace_id;
new_acl_entry->ace_len = sizeof(struct acl_entry);
new_acl_entry->ace_type = ACC_PERMIT;
idp->id_len = sizeof(struct ace_id);
DEBUG(10,("idp->id_len = %d\n",idp->id_len));
memset(idp->id_data,0,sizeof(uid_t));
switch(i) {
case 2:
new_acl_entry->ace_access = file_acl->g_access << 6;
idp->id_type = SMB_ACL_GROUP_OBJ;
break;
case 3:
new_acl_entry->ace_access = file_acl->o_access << 6;
idp->id_type = SMB_ACL_OTHER;
break;
case 1:
new_acl_entry->ace_access = file_acl->u_access << 6;
idp->id_type = SMB_ACL_USER_OBJ;
break;
default:
return(NULL);
}
acl_entry_link_head->count++;
DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access));
}
acl_entry_link_head->count = 0;
free(file_acl);
return(acl_entry_link_head);
}
int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset)
{
*permset = *permset & ~0777;
return(0);
}
int sys_acl_add_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
{
if((perm != 0) &&
(perm & (S_IXUSR | S_IWUSR | S_IRUSR)) == 0)
return(-1);
*permset |= perm;
DEBUG(10,("This is the permset now: %d\n",*permset));
return(0);
}
char *sys_acl_to_text( SMB_ACL_T theacl, ssize_t *plen)
{
return(NULL);
}
SMB_ACL_T sys_acl_init( int count)
{
struct acl_entry_link *theacl = NULL;
DEBUG(10,("Entering sys_acl_init\n"));
theacl = (struct acl_entry_link *)malloc(sizeof(struct acl_entry_link));
if(theacl == NULL) {
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_init is %d\n",errno));
return(NULL);
}
theacl->count = 0;
theacl->nextp = NULL;
theacl->prevp = NULL;
theacl->entryp = NULL;
DEBUG(10,("Exiting sys_acl_init\n"));
return(theacl);
}
int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
{
struct acl_entry_link *theacl;
struct acl_entry_link *acl_entryp;
struct acl_entry_link *temp_entry;
int counting;
DEBUG(10,("Entering the sys_acl_create_entry\n"));
theacl = acl_entryp = *pacl;
/* Get to the end of the acl before adding entry */
for(counting=0; counting < theacl->count; counting++){
DEBUG(10,("The acl_entryp is %d\n",acl_entryp));
temp_entry = acl_entryp;
acl_entryp = acl_entryp->nextp;
}
if(theacl->count != 0){
temp_entry->nextp = acl_entryp = (struct acl_entry_link *)malloc(sizeof(struct acl_entry_link));
if(acl_entryp == NULL) {
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno));
return(-1);
}
DEBUG(10,("The acl_entryp is %d\n",acl_entryp));
acl_entryp->prevp = temp_entry;
DEBUG(10,("The acl_entryp->prevp is %d\n",acl_entryp->prevp));
}
*pentry = acl_entryp->entryp = (struct new_acl_entry *)malloc(sizeof(struct new_acl_entry));
if(*pentry == NULL) {
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno));
return(-1);
}
memset(*pentry,0,sizeof(struct new_acl_entry));
acl_entryp->entryp->ace_len = sizeof(struct acl_entry);
acl_entryp->entryp->ace_type = ACC_PERMIT;
acl_entryp->entryp->ace_id->id_len = sizeof(struct ace_id);
acl_entryp->nextp = NULL;
theacl->count++;
DEBUG(10,("Exiting sys_acl_create_entry\n"));
return(0);
}
int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
{
DEBUG(10,("Starting AIX sys_acl_set_tag_type\n"));
entry->ace_id->id_type = tagtype;
DEBUG(10,("The tag type is %d\n",entry->ace_id->id_type));
DEBUG(10,("Ending AIX sys_acl_set_tag_type\n"));
}
int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual)
{
DEBUG(10,("Starting AIX sys_acl_set_qualifier\n"));
memcpy(entry->ace_id->id_data,qual,sizeof(uid_t));
DEBUG(10,("Ending AIX sys_acl_set_qualifier\n"));
return(0);
}
int sys_acl_set_permset( SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
{
DEBUG(10,("Starting AIX sys_acl_set_permset\n"));
if(!(*permset & S_IXUSR) &&
!(*permset & S_IWUSR) &&
!(*permset & S_IRUSR) &&
(*permset != 0))
return(-1);
entry->ace_access = *permset;
DEBUG(10,("entry->ace_access = %d\n",entry->ace_access));
DEBUG(10,("Ending AIX sys_acl_set_permset\n"));
return(0);
}
int sys_acl_valid( SMB_ACL_T theacl )
{
int user_obj = 0;
int group_obj = 0;
int other_obj = 0;
struct acl_entry_link *acl_entry;
for(acl_entry=theacl; acl_entry != NULL; acl_entry = acl_entry->nextp) {
user_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_USER_OBJ);
group_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_GROUP_OBJ);
other_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_OTHER);
}
DEBUG(10,("user_obj=%d, group_obj=%d, other_obj=%d\n",user_obj,group_obj,other_obj));
if(user_obj != 1 || group_obj != 1 || other_obj != 1)
return(-1);
return(0);
}
int sys_acl_set_file( char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
{
struct acl_entry_link *acl_entry_link = NULL;
struct acl *file_acl = NULL;
struct acl *file_acl_temp = NULL;
struct acl_entry *acl_entry = NULL;
struct ace_id *ace_id = NULL;
uint id_type;
uint ace_access;
uint user_id;
uint acl_length;
uint rc;
DEBUG(10,("Entering sys_acl_set_file\n"));
DEBUG(10,("File name is %s\n",name));
/* AIX has no default ACL */
if(acltype == SMB_ACL_TYPE_DEFAULT)
return(0);
acl_length = BUFSIZ;
file_acl = (struct acl *)malloc(BUFSIZ);
if(file_acl == NULL) {
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_set_file is %d\n",errno));
return(-1);
}
memset(file_acl,0,BUFSIZ);
file_acl->acl_len = ACL_SIZ;
file_acl->acl_mode = S_IXACL;
for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) {
acl_entry_link->entryp->ace_access >>= 6;
id_type = acl_entry_link->entryp->ace_id->id_type;
switch(id_type) {
case SMB_ACL_USER_OBJ:
file_acl->u_access = acl_entry_link->entryp->ace_access;
continue;
case SMB_ACL_GROUP_OBJ:
file_acl->g_access = acl_entry_link->entryp->ace_access;
continue;
case SMB_ACL_OTHER:
file_acl->o_access = acl_entry_link->entryp->ace_access;
continue;
case SMB_ACL_MASK:
continue;
}
if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) {
acl_length += sizeof(struct acl_entry);
file_acl_temp = (struct acl *)malloc(acl_length);
if(file_acl_temp == NULL) {
free(file_acl);
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_set_file is %d\n",errno));
return(-1);
}
memcpy(file_acl_temp,file_acl,file_acl->acl_len);
free(file_acl);
file_acl = file_acl_temp;
}
acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len);
file_acl->acl_len += sizeof(struct acl_entry);
acl_entry->ace_len = acl_entry_link->entryp->ace_len;
acl_entry->ace_access = acl_entry_link->entryp->ace_access;
/* In order to use this, we'll need to wait until we can get denies */
/* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT)
acl_entry->ace_type = ACC_SPECIFY; */
acl_entry->ace_type = ACC_SPECIFY;
ace_id = acl_entry->ace_id;
ace_id->id_type = acl_entry_link->entryp->ace_id->id_type;
DEBUG(10,("The id type is %d\n",ace_id->id_type));
ace_id->id_len = acl_entry_link->entryp->ace_id->id_len;
memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t));
memcpy(acl_entry->ace_id->id_data, &user_id, sizeof(uid_t));
}
rc = chacl(name,file_acl,file_acl->acl_len);
DEBUG(10,("errno is %d\n",errno));
DEBUG(10,("return code is %d\n",rc));
free(file_acl);
DEBUG(10,("Exiting the sys_acl_set_file\n"));
return(rc);
}
int sys_acl_set_fd( int fd, SMB_ACL_T theacl)
{
struct acl_entry_link *acl_entry_link = NULL;
struct acl *file_acl = NULL;
struct acl *file_acl_temp = NULL;
struct acl_entry *acl_entry = NULL;
struct ace_id *ace_id = NULL;
uint id_type;
uint user_id;
uint acl_length;
uint rc;
DEBUG(10,("Entering sys_acl_set_fd\n"));
acl_length = BUFSIZ;
file_acl = (struct acl *)malloc(BUFSIZ);
if(file_acl == NULL) {
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno));
return(-1);
}
memset(file_acl,0,BUFSIZ);
file_acl->acl_len = ACL_SIZ;
file_acl->acl_mode = S_IXACL;
for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) {
acl_entry_link->entryp->ace_access >>= 6;
id_type = acl_entry_link->entryp->ace_id->id_type;
DEBUG(10,("The id_type is %d\n",id_type));
switch(id_type) {
case SMB_ACL_USER_OBJ:
file_acl->u_access = acl_entry_link->entryp->ace_access;
continue;
case SMB_ACL_GROUP_OBJ:
file_acl->g_access = acl_entry_link->entryp->ace_access;
continue;
case SMB_ACL_OTHER:
file_acl->o_access = acl_entry_link->entryp->ace_access;
continue;
case SMB_ACL_MASK:
continue;
}
if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) {
acl_length += sizeof(struct acl_entry);
file_acl_temp = (struct acl *)malloc(acl_length);
if(file_acl_temp == NULL) {
free(file_acl);
errno = ENOMEM;
DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno));
return(-1);
}
memcpy(file_acl_temp,file_acl,file_acl->acl_len);
free(file_acl);
file_acl = file_acl_temp;
}
acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len);
file_acl->acl_len += sizeof(struct acl_entry);
acl_entry->ace_len = acl_entry_link->entryp->ace_len;
acl_entry->ace_access = acl_entry_link->entryp->ace_access;
/* In order to use this, we'll need to wait until we can get denies */
/* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT)
acl_entry->ace_type = ACC_SPECIFY; */
acl_entry->ace_type = ACC_SPECIFY;
ace_id = acl_entry->ace_id;
ace_id->id_type = acl_entry_link->entryp->ace_id->id_type;
DEBUG(10,("The id type is %d\n",ace_id->id_type));
ace_id->id_len = acl_entry_link->entryp->ace_id->id_len;
memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t));
memcpy(ace_id->id_data, &user_id, sizeof(uid_t));
}
rc = fchacl(fd,file_acl,file_acl->acl_len);
DEBUG(10,("errno is %d\n",errno));
DEBUG(10,("return code is %d\n",rc));
free(file_acl);
DEBUG(10,("Exiting sys_acl_set_fd\n"));
return(rc);
}
int sys_acl_get_perm( SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
{
return(*permset & perm);
}
int sys_acl_free_text(char *text)
{
return(0);
}
int sys_acl_free_acl(SMB_ACL_T posix_acl)
{
struct acl_entry_link *acl_entry_link;
for(acl_entry_link = posix_acl->nextp; acl_entry_link->nextp != NULL; acl_entry_link = acl_entry_link->nextp) {
free(acl_entry_link->prevp->entryp);
free(acl_entry_link->prevp);
}
free(acl_entry_link->prevp->entryp);
free(acl_entry_link->prevp);
free(acl_entry_link->entryp);
free(acl_entry_link);
return(0);
}
int sys_acl_free_qualifier(void *qual)
{
return(0);
}
#else /* No ACLs. */
int sys_acl_get_entry( SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p)