1 files changed, 54 insertions, 0 deletions
diff --git a/users.c b/users.c
new file mode 100644
index 0000000..9d84f30
--- /dev/null
+++ b/users.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "users.h"
+#include "config.h"
+
+
+struct mt_credentials mt_users[MT_CRED_MAXNUM];
+
+void readUserfile() {
+	FILE *file = fopen(USERSFILE, "r");
+	unsigned char line [BUFSIZ];
+	int i = 0;
+
+	if (file == NULL) {
+		perror(USERSFILE);
+		exit(1);
+	}
+
+	while ( fgets(line, sizeof line, file) ) {
+		unsigned char *user;
+		unsigned char *password;
+
+		user = (unsigned char *)strtok(line, ":");
+		password = (unsigned char *)strtok(NULL, "\n");
+
+		if (user == NULL || password == NULL) {
+			continue;
+		}
+
+		if (user[0] == '#')
+			continue;
+
+		memcpy(mt_users[i].username, user, strlen(user) < MT_CRED_LEN - 1? strlen(user) : MT_CRED_LEN);
+		memcpy(mt_users[i++].password, password, strlen(password)  < MT_CRED_LEN - 1? strlen(password)  : MT_CRED_LEN);
+
+		if (i == MT_CRED_MAXNUM)
+			break;
+
+		mt_users[i].username[0] = '\0';
+	}
+}
+
+struct mt_credentials* findUser(unsigned char *username) {
+	int i = 0;
+
+	while (i < MT_CRED_MAXNUM && mt_users[i].username[0] != 0) {
+		if (strcmp(username, mt_users[i].username) == 0) {
+			return &(mt_users[i]);
+		}
+		i++;
+	}
+	return NULL;
+}