diff --git a/Makefile b/Makefile
index c00fe4f..2817739 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ LDFLAGS  = -lpthread -lrt
 
 BIN_NAME = cfloor
 
-OBJS     = obj/networking.o obj/linked.o obj/logging.o obj/signals.o obj/headers.o obj/misc.o obj/status.o obj/files.o obj/mime.o obj/cgi.o
+OBJS     = obj/networking.o obj/linked.o obj/logging.o obj/signals.o obj/headers.o obj/misc.o obj/status.o obj/files.o obj/mime.o obj/cgi.o obj/util.o
 DEPS     = $(OBJS:%.o=%.d)
 
 all: $(BIN_NAME)
diff --git a/src/cgi.c b/src/cgi.c
index 6af12a2..3675336 100644
--- a/src/cgi.c
+++ b/src/cgi.c
@@ -8,6 +8,7 @@
 
 #include "cgi.h"
 #include "misc.h"
+#include "util.h"
 #include "files.h"
 #include "status.h"
 #include "logging.h"
diff --git a/src/files.c b/src/files.c
index 1514297..f6220db 100644
--- a/src/files.c
+++ b/src/files.c
@@ -12,6 +12,7 @@
 
 #include "files.h"
 #include "misc.h"
+#include "util.h"
 #include "logging.h"
 #include "status.h"
 #include "mime.h"
diff --git a/src/headers.c b/src/headers.c
index e8c02b0..ad0cc6f 100644
--- a/src/headers.c
+++ b/src/headers.c
@@ -3,6 +3,7 @@
 
 #include "headers.h"
 #include "misc.h"
+#include "util.h"
 #include "logging.h"
 
 struct headers headers_create() {
diff --git a/src/main.c b/src/main.c
index a255251..5fea1df 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,6 +8,7 @@
 #include "headers.h"
 #include "files.h"
 #include "cgi.h"
+#include "util.h"
 
 struct handlerSettings {
 	struct fileSettings fileSettings;
@@ -20,20 +21,7 @@ struct handler handlerGetter(struct metaData metaData, const char* host, struct
 
 	union userData data;
 
-	bool isCgiBin = false;
-	int cgiBinLength = strlen(settings->cgiBin);
-
-	if (settings->cgiBin[cgiBinLength - 1] == '/')
-		cgiBinLength--;
-
-	if (strncmp(metaData.path, settings->cgiBin, cgiBinLength) == 0) {
-		if (metaData.path[cgiBinLength] == '\0')
-			isCgiBin = true;
-		if (metaData.path[cgiBinLength] == '/')
-			isCgiBin = true;
-	}
-
-	if (isCgiBin) {
+	if (isInDir(metaData.path, settings->cgiBin)) {
 		data.ptr = &(settings->cgiSettings);
 
 		return (struct handler) {
diff --git a/src/misc.c b/src/misc.c
index 6d9fa0d..45927a7 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -1,56 +1,5 @@
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <stdio.h>
 
-#include <pthread.h>
 
 #include "misc.h"
 
-int startCopyThread(int from, int to, bool closeWriteFd, pthread_t* thread) {
-	struct fileCopy* files = malloc(sizeof(struct fileCopy));
-	if (files < 0)
-		return -1;
 
-	files->readFd = from;
-	files->writeFd = to;
-	files->closeWriteFd = closeWriteFd;
-
-	return pthread_create(thread, NULL, &fileCopyThread, files);
-}
-
-void* fileCopyThread(void* data) {
-	struct fileCopy* files = (struct fileCopy*) data;
-	char c;
-
-	while(read(files->readFd, &c, 1) > 0) {
-		write(files->writeFd, &c, 1);
-	}
-
-	if (files->closeWriteFd)
-		close(files->writeFd);
-
-	free(files);
-
-	return NULL;
-}
-
-char* strclone(const char* string) {
-	char* result = malloc(strlen(string) + 1);
-	if (result == NULL)
-		return NULL;
-	strcpy(result, string);
-	return result;
-}
-
-int strlenOfNumber(long long number) {
-	int result = 1;
-
-	while(number > 9) {
-		number /= 10;
-		result++;
-	}
-
-	return result;
-}
diff --git a/src/misc.h b/src/misc.h
index 67584d4..4faea0a 100644
--- a/src/misc.h
+++ b/src/misc.h
@@ -76,16 +76,4 @@ struct handler {
 	union userData data;
 };
 
-struct fileCopy {
-	int readFd;
-	int writeFd;
-	bool closeWriteFd;
-};
-int startCopyThread(int from, int to, bool closeWriteFd, pthread_t* thread);
-void* fileCopyThread(void* data);
-
-char* strclone(const char* string);
-
-int strlenOfNumber(long long number);
-
 #endif
diff --git a/src/networking.c b/src/networking.c
index 748952e..0675c45 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -17,6 +17,7 @@
 #include "logging.h"
 #include "signals.h"
 #include "status.h"
+#include "util.h"
 
 struct networkingConfig networkingConfig;
 
diff --git a/src/util.c b/src/util.c
new file mode 100644
index 0000000..d0ec229
--- /dev/null
+++ b/src/util.c
@@ -0,0 +1,73 @@
+#include <string.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdio.h>
+
+#include <pthread.h>
+
+#include "util.h"
+
+bool isInDir(const char* file, const char* dir) {
+	int length = strlen(dir);
+
+	if (dir[length - 1] == '/')
+		length--;
+
+	if (strncmp(file, dir, length) == 0) {
+		if (file[length] == '\0')
+			return true;
+		if (file[length] == '/')
+			return true;
+	}
+
+	return false;
+}
+
+int startCopyThread(int from, int to, bool closeWriteFd, pthread_t* thread) {
+	struct fileCopy* files = malloc(sizeof(struct fileCopy));
+	if (files < 0)
+		return -1;
+
+	files->readFd = from;
+	files->writeFd = to;
+	files->closeWriteFd = closeWriteFd;
+
+	return pthread_create(thread, NULL, &fileCopyThread, files);
+}
+
+void* fileCopyThread(void* data) {
+	struct fileCopy* files = (struct fileCopy*) data;
+	char c;
+
+	while(read(files->readFd, &c, 1) > 0) {
+		write(files->writeFd, &c, 1);
+	}
+
+	if (files->closeWriteFd)
+		close(files->writeFd);
+
+	free(files);
+
+	return NULL;
+}
+
+char* strclone(const char* string) {
+	char* result = malloc(strlen(string) + 1);
+	if (result == NULL)
+		return NULL;
+	strcpy(result, string);
+	return result;
+}
+
+int strlenOfNumber(long long number) {
+	int result = 1;
+
+	while(number > 9) {
+		number /= 10;
+		result++;
+	}
+
+	return result;
+}
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..2687f65
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,21 @@
+#ifndef UTIL_H
+#define UTIL_H
+
+#include <stdbool.h>
+#include <pthread.h>
+
+bool isInDir(const char* filename, const char* dirname);
+
+struct fileCopy {
+	int readFd;
+	int writeFd;
+	bool closeWriteFd;
+};
+int startCopyThread(int from, int to, bool closeWriteFd, pthread_t* thread);
+void* fileCopyThread(void* data);
+
+char* strclone(const char* string);
+
+int strlenOfNumber(long long number);
+
+#endif