+ {
+ /* Running on Solaris 10 (newer version) or Solaris 11. */
+ unsigned int access_masks[6] =
+ {
+ 0, /* owner@ deny */
+ 0, /* owner@ allow */
+ 0, /* group@ deny */
+ 0, /* group@ allow */
+ 0, /* everyone@ deny */
+ 0 /* everyone@ allow */
+ };
+
+ for (i = 0; i < count; i++)
+ {
+ ace_t *ace = &entries[i];
+ unsigned int index1;
+ unsigned int index2;
+
+ if (ace->a_type == NEW_ACE_ACCESS_ALLOWED_ACE_TYPE)
+ index1 = 1;
+ else if (ace->a_type == NEW_ACE_ACCESS_DENIED_ACE_TYPE)
+ index1 = 0;
+ else
+ return 1;
+
+ if (ace->a_flags == NEW_ACE_OWNER)
+ index2 = 0;
+ else if (ace->a_flags == (NEW_ACE_GROUP | NEW_ACE_IDENTIFIER_GROUP))
+ index2 = 2;
+ else if (ace->a_flags == NEW_ACE_EVERYONE)
+ index2 = 4;
+ else
+ return 1;
+
+ access_masks[index1 + index2] |= ace->a_access_mask;
+ }
+
+ /* The same bit shouldn't be both allowed and denied. */
+ if (access_masks[0] & access_masks[1])
+ return 1;
+ if (access_masks[2] & access_masks[3])
+ return 1;
+ if (access_masks[4] & access_masks[5])
+ return 1;
+
+ /* Check minimum masks. */
+ if ((NEW_ACE_WRITE_NAMED_ATTRS
+ | NEW_ACE_WRITE_ATTRIBUTES
+ | NEW_ACE_WRITE_ACL
+ | NEW_ACE_WRITE_OWNER)
+ & ~ access_masks[1])
+ return 1;
+ access_masks[1] &= ~(NEW_ACE_WRITE_NAMED_ATTRS
+ | NEW_ACE_WRITE_ATTRIBUTES
+ | NEW_ACE_WRITE_ACL
+ | NEW_ACE_WRITE_OWNER);
+ if ((NEW_ACE_READ_NAMED_ATTRS
+ | NEW_ACE_READ_ATTRIBUTES
+ | NEW_ACE_READ_ACL
+ | NEW_ACE_SYNCHRONIZE)
+ & ~ access_masks[5])
+ return 1;
+ access_masks[5] &= ~(NEW_ACE_READ_NAMED_ATTRS
+ | NEW_ACE_READ_ATTRIBUTES
+ | NEW_ACE_READ_ACL
+ | NEW_ACE_SYNCHRONIZE);
+
+ /* Check the allowed or denied bits. */
+ switch ((access_masks[0] | access_masks[1])
+ & ~(NEW_ACE_READ_NAMED_ATTRS
+ | NEW_ACE_READ_ATTRIBUTES
+ | NEW_ACE_READ_ACL
+ | NEW_ACE_SYNCHRONIZE))
+ {
+ case 0:
+ case NEW_ACE_READ_DATA:
+ case NEW_ACE_WRITEA_DATA:
+ case NEW_ACE_READ_DATA | NEW_ACE_WRITEA_DATA:
+ case NEW_ACE_EXECUTE:
+ case NEW_ACE_READ_DATA | NEW_ACE_EXECUTE:
+ case NEW_ACE_WRITEA_DATA | NEW_ACE_EXECUTE:
+ case NEW_ACE_READ_DATA | NEW_ACE_WRITEA_DATA | NEW_ACE_EXECUTE:
+ break;
+ default:
+ return 1;
+ }
+ switch ((access_masks[2] | access_masks[3])
+ & ~(NEW_ACE_READ_NAMED_ATTRS
+ | NEW_ACE_READ_ATTRIBUTES
+ | NEW_ACE_READ_ACL
+ | NEW_ACE_SYNCHRONIZE))
+ {
+ case 0:
+ case NEW_ACE_READ_DATA:
+ case NEW_ACE_WRITEA_DATA:
+ case NEW_ACE_READ_DATA | NEW_ACE_WRITEA_DATA:
+ case NEW_ACE_EXECUTE:
+ case NEW_ACE_READ_DATA | NEW_ACE_EXECUTE:
+ case NEW_ACE_WRITEA_DATA | NEW_ACE_EXECUTE:
+ case NEW_ACE_READ_DATA | NEW_ACE_WRITEA_DATA | NEW_ACE_EXECUTE:
+ break;
+ default:
+ return 1;
+ }
+ switch ((access_masks[4] | access_masks[5])
+ & ~(NEW_ACE_WRITE_NAMED_ATTRS
+ | NEW_ACE_WRITE_ATTRIBUTES
+ | NEW_ACE_WRITE_ACL
+ | NEW_ACE_WRITE_OWNER))
+ {
+ case 0:
+ case NEW_ACE_READ_DATA:
+ case NEW_ACE_WRITEA_DATA:
+ case NEW_ACE_READ_DATA | NEW_ACE_WRITEA_DATA:
+ case NEW_ACE_EXECUTE:
+ case NEW_ACE_READ_DATA | NEW_ACE_EXECUTE:
+ case NEW_ACE_WRITEA_DATA | NEW_ACE_EXECUTE:
+ case NEW_ACE_READ_DATA | NEW_ACE_WRITEA_DATA | NEW_ACE_EXECUTE:
+ break;
+ default:
+ return 1;
+ }
+
+ /* Check that the NEW_ACE_WRITE_DATA and NEW_ACE_APPEND_DATA bits are
+ either both allowed or both denied. */
+ if (((access_masks[0] & NEW_ACE_WRITE_DATA) != 0)
+ != ((access_masks[0] & NEW_ACE_APPEND_DATA) != 0))
+ return 1;
+ if (((access_masks[2] & NEW_ACE_WRITE_DATA) != 0)
+ != ((access_masks[2] & NEW_ACE_APPEND_DATA) != 0))
+ return 1;
+ if (((access_masks[4] & NEW_ACE_WRITE_DATA) != 0)
+ != ((access_masks[4] & NEW_ACE_APPEND_DATA) != 0))
+ return 1;
+ }