Remove statefile option

src/main.c

@@ -4,7 +4,6 @@
 #include "db.h"
 #include "ip.h"
 #include "option.h"
-#include "state.h"
 #include "str.h"
 #include "tun.h"
 
@@ -30,7 +29,6 @@ static struct {
     volatile sig_atomic_t quit;
     volatile sig_atomic_t info;
     int timeout;
-    int state_fd;
 } gt;
 
 static void
@@ -203,7 +201,7 @@ gt_setup_secretkey(struct mud *mud, char *keyfile)
             return -1;
 
         gt_tohex(buf, sizeof(buf), key, size);
-        state_send(gt.state_fd, "SECRETKEY", buf);
+        gt_print("secret key: %s\n", buf);
 
         return 0;
     }
@@ -253,7 +251,6 @@ main(int argc, char **argv)
 
     char *dev = NULL;
     char *keyfile = NULL;
-    char *statefile = NULL;
 
     long mtu = 1450;
 
@@ -279,7 +276,6 @@ main(int argc, char **argv)
         { "mtu",            &mtu,            option_long   },
         { "mtu-auto",       NULL,            option_option },
         { "keyfile",        &keyfile,        option_str    },
-        { "statefile",      &statefile,      option_str    },
         { "timeout",        &gt.timeout,     option_long   },
         { "time-tolerance", &time_tolerance, option_long   },
         { "v4only",         NULL,            option_option },
@@ -333,11 +329,6 @@ main(int argc, char **argv)
             gt_log("couldn't create ICMP socket\n");
     }
 
-    gt.state_fd = state_create(statefile);
-
-    if (statefile && gt.state_fd == -1)
-        return 1;
-
     char *tun_name = NULL;
 
     int tun_fd = tun_create(dev, &tun_name);
@@ -408,7 +399,7 @@ main(int argc, char **argv)
 
     fd_set_nonblock(mud_fd);
 
-    state_send(gt.state_fd, "INITIALIZED", tun_name);
+    gt_log("running...\n");
 
     fd_set rfds;
     FD_ZERO(&rfds);

src/state.c

@@ -1,64 +0,0 @@
-#include "common.h"
-
-#include "state.h"
-#include "str.h"
-
-#include <fcntl.h>
-#include <stdio.h>
-#include <sys/stat.h>
-
-int
-state_create(const char *filename)
-{
-    if (str_empty(filename))
-        return -1;
-
-    int fd = open(filename, O_WRONLY);
-
-    if (fd == -1) {
-        if (errno != EINTR)
-            perror("open");
-        return -1;
-    }
-
-    struct stat st = {0};
-
-    if (fstat(fd, &st) == -1) {
-        perror("fstat");
-        close(fd);
-        return -1;
-    }
-
-    if (!S_ISFIFO(st.st_mode)) {
-        gt_log("`%s' is not a fifo\n", filename);
-        close(fd);
-        return -1;
-    }
-
-    return fd;
-}
-
-void
-state_send(int fd, const char *state, const char *info)
-{
-    if (str_empty(state))
-        return;
-
-    if (fd == -1) {
-        gt_print("%s %s\n", state, info);
-        return;
-    }
-
-    const char *strs[] = {state, " ", info, "\n"};
-    char *str = str_cat(strs, COUNT(strs));
-
-    if (!str) {
-        perror("str_cat");
-        return;
-    }
-
-    if (write(fd, str, str_len(str)) == -1 && errno != EINTR)
-        perror("write");
-
-    free(str);
-}

src/state.h

@@ -1,4 +0,0 @@
-#pragma once
-
-int  state_create (const char *);
-void state_send   (int, const char *, const char *);