-int sys_acl_add_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm)
-{
- if (perm != SMB_ACL_READ && perm != SMB_ACL_WRITE
- && perm != SMB_ACL_EXECUTE) {
- errno = EINVAL;
- return -1;
- }
-
- if (permset_d == NULL) {
- errno = EINVAL;
- return -1;
- }
-
- *permset_d |= perm;
-
- return 0;
-}
-
-int sys_acl_get_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm)
-{
- return *permset_d & perm;
-}
-
-char *sys_acl_to_text(SMB_ACL_T acl_d, ssize_t *len_p)
-{
- int i;
- int len, maxlen;
- char *text;
-
- /*
- * use an initial estimate of 20 bytes per ACL entry
- * when allocating memory for the text representation
- * of the ACL
- */
- len = 0;
- maxlen = 20 * acl_d->count;
- if ((text = SMB_MALLOC(maxlen)) == NULL) {
- errno = ENOMEM;
- return NULL;
- }
-
- for (i = 0; i < acl_d->count; i++) {
- struct acl *ap = &acl_d->acl[i];
- struct group *gr;
- char tagbuf[12];
- char idbuf[12];
- char *tag;
- char *id = "";
- char perms[4];
- int nbytes;
-
- switch (ap->a_type) {
- /*
- * for debugging purposes it's probably more
- * useful to dump unknown tag types rather
- * than just returning an error
- */
- default:
- slprintf(tagbuf, sizeof(tagbuf)-1, "0x%x",
- ap->a_type);
- tag = tagbuf;
- slprintf(idbuf, sizeof(idbuf)-1, "%ld",
- (long)ap->a_id);
- id = idbuf;
- break;
-
- case SMB_ACL_USER:
- id = uidtoname(ap->a_id);
- case SMB_ACL_USER_OBJ:
- tag = "user";
- break;
-
- case SMB_ACL_GROUP:
- if ((gr = getgrgid(ap->a_id)) == NULL) {
- slprintf(idbuf, sizeof(idbuf)-1, "%ld",
- (long)ap->a_id);
- id = idbuf;
- } else {
- id = gr->gr_name;
- }
- case SMB_ACL_GROUP_OBJ:
- tag = "group";
- break;
-
- case SMB_ACL_OTHER:
- tag = "other";
- break;
-
- case SMB_ACL_MASK:
- tag = "mask";
- break;
-
- }
-
- perms[0] = (ap->a_perm & SMB_ACL_READ) ? 'r' : '-';
- perms[1] = (ap->a_perm & SMB_ACL_WRITE) ? 'w' : '-';
- perms[2] = (ap->a_perm & SMB_ACL_EXECUTE) ? 'x' : '-';
- perms[3] = '\0';
-
- /* <tag> : <qualifier> : rwx \n \0 */
- nbytes = strlen(tag) + 1 + strlen(id) + 1 + 3 + 1 + 1;
-
- /*
- * If this entry would overflow the buffer
- * allocate enough additional memory for this
- * entry and an estimate of another 20 bytes
- * for each entry still to be processed
- */
- if ((len + nbytes) > maxlen) {
- char *oldtext = text;
-
- maxlen += nbytes + 20 * (acl_d->count - i);
-
- if ((text = SMB_REALLOC(oldtext, maxlen)) == NULL) {
- SAFE_FREE(oldtext);
- errno = ENOMEM;
- return NULL;
- }
- }
-
- slprintf(&text[len], nbytes-1, "%s:%s:%s\n", tag, id, perms);
- len += nbytes - 1;
- }
-
- if (len_p)
- *len_p = len;
-
- return text;
-}
-