Add some tests for upload validation and fix a related typo

src/sp_upload_validation.c

@@ -79,7 +79,7 @@ int sp_rfc1867_callback(unsigned int event, void *event_data, void **extra) {
       if (WEXITSTATUS(waitstatus) != 0) {  // Nope
         char *uri = sp_getenv("REQUEST_URI");
         int sim = SNUFFLEUPAGUS_G(config).config_upload_validation->simulation;
-        sp_log_msg("upload_valiation", sim?SP_LOG_SIMULATION:SP_LOG_DROP,
+        sp_log_msg("upload_validation", sim?SP_LOG_SIMULATION:SP_LOG_DROP,
           "The upload of %s on %s was rejected.", filename, uri?uri:"?");
         if (!SNUFFLEUPAGUS_G(config).config_upload_validation->simulation) {
           zend_bailout();

src/tests/upload_validation_invalid.phpt

@@ -14,4 +14,4 @@ echo 1;
 ?>
 --EXPECTF--
 [snuffleupagus][0.0.0.0][upload_validation][error] Could not call './tests/data/upload_invalid.sh' : Exec format error
-[snuffleupagus][0.0.0.0][upload_valiation][drop] The upload of test.php on ? was rejected.
+[snuffleupagus][0.0.0.0][upload_validation][drop] The upload of test.php on ? was rejected.

src/tests/upload_validation_ko.phpt

@@ -11,4 +11,4 @@ Content-Disposition: form-data; name="test"; filename="test.php"
 --blabla--
 --FILE--
 --EXPECTF--
-[snuffleupagus][0.0.0.0][upload_valiation][drop] The upload of test.php on ? was rejected.
+[snuffleupagus][0.0.0.0][upload_validation][drop] The upload of test.php on ? was rejected.

src/tests/upload_validation_ko_simulation.phpt

@@ -0,0 +1,15 @@
+--TEST--
+Upload a file, validation ko, simulation
+--INI--
+file_uploads=1
+sp.configuration_file={PWD}/config/upload_validation_ko_simulation.ini
+output_buffering=off
+--POST_RAW--
+Content-Type: multipart/form-data; boundary=blabla
+--blabla
+Content-Disposition: form-data; name="test"; filename="test.php"
+--blabla--
+--FILE--
+<?php echo 1337; ?>
+--EXPECTF--
+1337