Initialized the rhosts c files

src/rhosts.c

@@ -0,0 +1,82 @@
+/* rhosts - Program used to maintain a blocklist within a hostfile */
+#include "rhosts.h"
+
+
+int main(int argc, char *argv[]){
+        FILE *hostsfile;
+        FILE *tmpfile;
+        FILE *downloadfile;
+        FILE *configfile;
+        struct entry *entries;
+        int rc =0;
+
+        rc = openfile(&hostsfile, "r+", HOSTSLOCATION);
+        if (rc != 0){return rc;}
+        rc = openfile(&tmpfile, "w+", TMPLOCATION);
+        if (rc != 0){return rc;}
+        rc = openfile(&downloadfile, "w+", TMPDOWNLOADLOCATION);
+        if (rc != 0){return rc;}
+
+        parse_config(&entries);
+
+
+        // Closing files before exiting
+
+        rc = closefile(&hostsfile, HOSTSLOCATION);
+        if (rc != 0){return rc;}
+        rc = closefile(&tmpfile, TMPLOCATION);
+        if (rc != 0){return rc;}
+        rc = remove(TMPLOCATION);
+        if (rc != 0){return rc;}
+        rc = closefile(&downloadfile, TMPDOWNLOADLOCATION);
+        if (rc != 0){return rc;}
+        rc = remove(TMPDOWNLOADLOCATION);
+        if (rc != 0){return rc;}
+        return 0;
+}
+
+
+int parse_config(struct entry **entries){
+        int rc=0;
+        FILE *configfile;
+        configfile = fopen(CONFIGFILE, "r+");
+        if (configfile == NULL){return 1;}
+        *entries = malloc(sizeof(struct entry));
+        entries[0]->entrytype = 0;
+        char c='\0';
+        char *buff = malloc(sizeof(char));
+        short int valtyp = 1;
+        int *j = &entries[0]->entrytype; // Used to make easier to read
+        if (entries == NULL){return 1;}
+        do{
+                c = getc(configfile);
+                buff = realloc(buff, sizeof(buff) + sizeof(char));
+                buff[sizeof(buff)-1] = c;
+                if (c == ':' && valtyp == 1){
+                        *j += 1;
+                }
+
+
+        }while (c != '\0');
+
+        rc = fclose(configfile);
+        if (rc != 0){return 1;}
+        return 0;
+}
+int closefile(FILE **file, char *location){
+        int rc = 0;
+        rc = fclose(*file);
+        if (rc != 0){
+                printf("Failed to open %s\n", location);
+                return errno;
+        }
+        return 0;
+}
+int openfile(FILE **file, char *mode, char *location){
+        *file = fopen(location, mode);
+        if (*file == NULL){
+                printf("Failed to open %s\n", location);
+                return errno;
+        }
+        return 0;
+}

src/rhosts.h

@@ -0,0 +1,35 @@
+#ifndef RHOSTS_HEADER
+
+#define RHOSTS_HEADER
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <errno.h>
+#ifdef _WIN64
+#define TMPLOCATION "/tmp/rhosts"
+#define TMPDOWNLOADLOCATION "/tmp/rhostsdownload"
+#define HOSTSLOCATION "/Windows/System32/drivers/etc/hosts"
+#define CONFIGFILE "/ProgramData/rhosts/rhosts.cfg"
+#elif __APPLE__
+#define TMPLOCATION "/tmp/"
+#elif __linux__
+#define TMPLOCATION "/tmp/rhosts"
+#define TMPDOWNLOADLOCATION "/tmp/rhostsdownload"
+#define HOSTSLOCATION "/etc/hosts"
+#define CONFIGFILE "/etc/rhosts/rhosts.cfg"
+#else
+#endif
+
+
+#define STATIC 0
+
+struct entry{
+        int entrytype;
+        char *entry;
+};
+
+int parse_config(struct entry **entries);
+
+int openfile(FILE **file, char *mode, char *location);
+int closefile(FILE **file, char *location);
+#endif