luci-base: prevent CBI map save on invalid values (#618)

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

diff --git a/modules/luci-base/luasrc/cbi.lua b/modules/luci-base/luasrc/cbi.lua
index 2f97539..738431b 100644 (file)
--- a/modules/luci-base/luasrc/cbi.lua
+++ b/modules/luci-base/luasrc/cbi.lua
@@ -385,41 +385,45 @@ function Map.parse(self, readinput, ...)
 
        Node.parse(self, ...)
 
-       self:_run_hooks("on_save", "on_before_save")
-       for i, config in ipairs(self.parsechain) do
-               self.uci:save(config)
-       end
-       self:_run_hooks("on_after_save")
-       if (not self.proceed and self.flow.autoapply) or luci.http.formvalue("cbi.apply") then
-               self:_run_hooks("on_before_commit")
+       if self.save then
+               self:_run_hooks("on_save", "on_before_save")
                for i, config in ipairs(self.parsechain) do
-                       self.uci:commit(config)
+                       self.uci:save(config)
+               end
+               self:_run_hooks("on_after_save")
+               if (not self.proceed and self.flow.autoapply) or luci.http.formvalue("cbi.apply") then
+                       self:_run_hooks("on_before_commit")
+                       for i, config in ipairs(self.parsechain) do
+                               self.uci:commit(config)
+
+                               -- Refresh data because commit changes section names
+                               self.uci:load(config)
+                       end
+                       self:_run_hooks("on_commit", "on_after_commit", "on_before_apply")
+                       if self.apply_on_parse then
+                               self.uci:apply(self.parsechain)
+                               self:_run_hooks("on_apply", "on_after_apply")
+                       else
+                               -- This is evaluated by the dispatcher and delegated to the
+                               -- template which in turn fires XHR to perform the actual
+                               -- apply actions.
+                               self.apply_needed = true
+                       end
 
-                       -- Refresh data because commit changes section names
-                       self.uci:load(config)
+                       -- Reparse sections
+                       Node.parse(self, true)
                end
-               self:_run_hooks("on_commit", "on_after_commit", "on_before_apply")
-               if self.apply_on_parse then
-                       self.uci:apply(self.parsechain)
-                       self:_run_hooks("on_apply", "on_after_apply")
-               else
-                       -- This is evaluated by the dispatcher and delegated to the
-                       -- template which in turn fires XHR to perform the actual
-                       -- apply actions.
-                       self.apply_needed = true
+               for i, config in ipairs(self.parsechain) do
+                       self.uci:unload(config)
+               end
+               if type(self.commit_handler) == "function" then
+                       self:commit_handler(self:submitstate())
                end
-
-               -- Reparse sections
-               Node.parse(self, true)
-       end
-       for i, config in ipairs(self.parsechain) do
-               self.uci:unload(config)
-       end
-       if type(self.commit_handler) == "function" then
-               self:commit_handler(self:submitstate())
        end
 
-       if self.proceed then
+       if not self.save then
+               self.state = FORM_INVALID
+       elseif self.proceed then
                self.state = FORM_PROCEED
        elseif self.changed then
                self.state = FORM_CHANGED