X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/5ebb7935d2ec33cd59bc0e2a68303cd729b154b9..7766e673215542dadc066193a5a166274d00e9ab:/lib/sysacls.c

diff --git a/lib/sysacls.c b/lib/sysacls.c
index 623aa6de..52314bc1 100644
--- a/lib/sysacls.c
+++ b/lib/sysacls.c
@@ -2,6 +2,7 @@
  * Unix SMB/CIFS implementation.
  * Based on the Samba ACL support code.
  * Copyright (C) Jeremy Allison 2000.
+ * Copyright (C) 2007-2008 Wayne Davison
  *
  * The permission functions have been changed to get/set all bits via
  * one call.  Some functions that rsync doesn't need were also removed.
@@ -550,7 +551,7 @@ SMB_ACL_T sys_acl_init(int count)
 	 * acl[] array, this actually allocates an ACL with room
 	 * for (count+1) entries
 	 */
-	if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) {
+	if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof a[0] + count * sizeof (struct acl))) == NULL) {
 		errno = ENOMEM;
 		return NULL;
 	}
@@ -1006,7 +1007,7 @@ SMB_ACL_T sys_acl_init(int count)
 	 * acl[] array, this actually allocates an ACL with room
 	 * for (count+1) entries
 	 */
-	if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) {
+	if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof a[0] + count * sizeof(struct acl))) == NULL) {
 		errno = ENOMEM;
 		return NULL;
 	}
@@ -1100,7 +1101,7 @@ struct hpux_acl_types {
  *                  acl types.
  */
 
-static int hpux_count_obj(int acl_count, struct acl *aclp, struct hpux_acl_types *acl_type_count)
+static void hpux_count_obj(int acl_count, struct acl *aclp, struct hpux_acl_types *acl_type_count)
 {
 	int i;
 
@@ -1637,14 +1638,14 @@ SMB_ACL_T sys_acl_init(int count)
 		return NULL;
 	}
 
-	if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + sizeof(struct acl))) == NULL) {
+	if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof a[0] + sizeof (struct acl))) == NULL) {
 		errno = ENOMEM;
 		return NULL;
 	}
 
 	a->next = -1;
 	a->freeaclp = False;
-	a->aclp = (struct acl *)(&a->aclp + sizeof(struct acl *));
+	a->aclp = (struct acl *)((char *)a + sizeof a[0]);
 	a->aclp->acl_cnt = 0;
 
 	return a;
@@ -1735,6 +1736,13 @@ int sys_acl_get_entry( SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
 	struct new_acl_entry *entry;
 	int keep_going;
 
+	if (entry_id == SMB_ACL_FIRST_ENTRY)
+		theacl->count = 0;
+	else if (entry_id != SMB_ACL_NEXT_ENTRY) {
+		errno = EINVAL;
+		return -1;
+	}
+
 	DEBUG(10,("This is the count: %d\n",theacl->count));
 
 	/* Check if count was previously set to -1. *
@@ -1804,11 +1812,14 @@ SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type)
 	struct acl_entry_link *acl_entry_link_head;
 	int i;
 	int rc = 0;
-	uid_t user_id;
 
 	/* AIX has no DEFAULT */
 	if  ( type == SMB_ACL_TYPE_DEFAULT ) {
+#ifdef ENOTSUP
 		errno = ENOTSUP;
+#else
+		errno = ENOSYS;
+#endif
 		return NULL;
 	}
 
@@ -2025,7 +2036,6 @@ SMB_ACL_T sys_acl_get_fd(int fd)
 	struct acl_entry_link *acl_entry_link_head;
 	int i;
 	int rc = 0;
-	uid_t user_id;
 
 	/* Get the acl using fstatacl */
    
@@ -2239,7 +2249,7 @@ int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *b
 		return -1;
 
 	if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP)
-		*u_g_id_p = entry->ace_id->id_data;
+		memcpy(u_g_id_p, entry->ace_id->id_data, sizeof (id_t));
 
 	permset = &entry->ace_access;
 
@@ -2255,6 +2265,11 @@ SMB_ACL_T sys_acl_init( int count)
 {
 	struct acl_entry_link *theacl = NULL;
  
+	if (count < 0) {
+		errno = EINVAL;
+		return NULL;
+	}
+
 	DEBUG(10,("Entering sys_acl_init\n"));
 
 	theacl = SMB_MALLOC_P(struct acl_entry_link);
@@ -2373,7 +2388,6 @@ int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl
 	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;
@@ -2452,7 +2466,7 @@ int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl
 		memcpy(acl_entry->ace_id->id_data, &user_id, sizeof(uid_t));
 	}
 
-	rc = chacl(name,file_acl,file_acl->acl_len);
+	rc = chacl((char*)name,file_acl,file_acl->acl_len);
 	DEBUG(10,("errno is %d\n",errno));
 	DEBUG(10,("return code is %d\n",rc));
 	SAFE_FREE(file_acl);
@@ -2551,7 +2565,7 @@ int sys_acl_set_fd( int fd, SMB_ACL_T theacl)
 }
 #endif
 
-int sys_acl_delete_def_file(const char *name)
+int sys_acl_delete_def_file(UNUSED(const char *name))
 {
 	/* AIX has no default ACL */
 	return 0;
@@ -2694,6 +2708,8 @@ int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits,
 		rc = mbr_uid_to_uuid(u_g_id, uu);
 	else
 		rc = mbr_gid_to_uuid(u_g_id, uu);
+	if (rc != 0)
+		return rc;
 
 	if (acl_set_tag_type(entry, tag_type) != 0
 	 || acl_set_qualifier(entry, &uu) != 0
@@ -2765,6 +2781,11 @@ int no_acl_syscall_error(int err)
 		return 1;
 	}
 #endif
+	if (err == EINVAL) {
+		/* If the type of SMB_ACL_TYPE_ACCESS or SMB_ACL_TYPE_DEFAULT
+		 * isn't valid, then the ACLs must be non-POSIX. */
+		return 1;
+	}
 	return 0;
 }