remoted: moar code, still doing nothing

core/communication.c

@@ -34,9 +34,7 @@ int srv_init (int argc, char **argv, char **env
     // gets the service path
     service_path (srv->spath, sname, srv->index, srv->version);
 
-    usock_init (&srv->service_fd, srv->spath);
-
-    return 0;
+    return usock_init (&srv->service_fd, srv->spath);
 }
 
 int srv_accept (struct service *srv, struct process *p)

core/error.h

@@ -1,10 +1,12 @@
 #ifndef __ERROR_H__
 #define __ERROR_H__
 
+#include "logger.h"
+
 #define handle_error(msg) \
-    do { perror(msg); exit(EXIT_FAILURE); } while (0)
+    do { log_error (msg); exit(EXIT_FAILURE); } while (0)
 
 #define handle_err(fun,msg)\
-    fprintf (stderr, "%s: file %s line %d %s\n", fun, __FILE__, __LINE__, msg);
+    do { log_error ("%s: file %s line %d %s", fun, __FILE__, __LINE__, msg); } while (0)
 
 #endif

core/logger.c

@@ -0,0 +1,44 @@
+#include "logger.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+
+void log_format (const char* tag, const char* message, va_list args) {
+    time_t now;
+
+    time(&now);
+
+    char * date =ctime(&now);
+    date[strlen(date) - 1] = '\0';
+    printf("%s:%s: ", date, tag);
+    vprintf(message, args);
+
+    printf("\n");
+}
+
+void log_error (const char* message, ...) {
+    va_list args;
+    va_start(args, message);
+
+    log_format("error", message, args);
+
+    va_end(args);
+}
+
+void log_info (const char* message, ...) {
+    va_list args;
+    va_start(args, message);
+
+    log_format("info", message, args);
+    va_end(args);
+}
+
+void log_debug (const char* message, ...) {
+    va_list args;
+    va_start(args, message);
+
+    log_format("debug", message, args);
+
+    va_end(args);
+}

core/logger.h

@@ -0,0 +1,15 @@
+#ifndef __LOGGER_H__
+#define __LOGGER_H__
+
+#define LOG
+
+#include <stdarg.h>
+
+void log_error (const char* message, ...);
+void log_info (const char* message, ...);
+void log_debug (const char* message, ...);
+
+// please use previous functions
+void log_format (const char* tag, const char* message, va_list args);
+
+#endif

remote/app/README.md

@@ -8,10 +8,15 @@ This service creates a path on the relevent remote location, going through anyth
 
 The idea is to have a simple configuration file for authentication of remote connections, such as:
 
+    table dynusers    # dynamic user table
     
     clients = { "client123", alice.example.com, john@doe.com }
+    localclients = { pamuser1, <dynusers> }
+    
     level1services = { pongd, weather }
-
+    
     ifext = enp0s25
     pass in on $ifext from any for all to local services $level1services
-    pass in on $ifext from any for all to local services $level1services
+    pass out on $ifext from local for $localclients to any services $level1services
+    
+    block all

remote/app/remotec.c

@@ -55,16 +55,13 @@ void main_loop (int argc, char **argv, char **env
     (void) argv;
     (void) env;
 
+#if 0
     struct service srv;
     memset (&srv, 0, sizeof (struct service));
 
     remote_connection (argc, argv, env, &srv);
     printf ("connected\n");
 
-    if (strncmp (cmd, "sub", 3) == 0) {
-        chan_sub (&srv, chan);
-    }
-
     printf ("main_loop\n");
 
     struct remote_msg msg;

remote/app/remoted.c

@@ -4,6 +4,8 @@
 #include "../lib/remoted.h"
 #include <stdlib.h>
 
+#include "../../core/logger.h"
+
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <unistd.h>
@@ -19,20 +21,34 @@ void handle_signal (int signalnumber)
         handle_error("srv_close < 0");
     }
 
-    fprintf (stderr, "received a signal %d\n", signalnumber);
+    log_info ("remoted received a signal %d\n", signalnumber);
     exit (EXIT_SUCCESS);
 }
 
-void remoted_init ()
+/* TODO: handle command line arguments */
+void remoted_cmd_args (int argc, char **argv, char **env
+        , struct remoted_ctx *ctx)
 {
-    /* TODO
-     * handle authorizations
-    */
+    (void) argc;
+    (void) argv;
+    (void) env;
+    (void) ctx;
 }
 
+/* TODO: handle authorizations */
+int remoted_auth_conf (struct remoted_ctx *ctx)
+{
+    (void) ctx;
+    return 0;
+}
+
+
 int
 main(int argc, char **argv, char **env)
 {
+    struct remoted_ctx ctx;
+    memset (&ctx, 0, sizeof (struct remoted_ctx));
+
     memset (&srv, 0, sizeof (struct service));
     srv.index = 0;
     srv.version = 0;
@@ -41,15 +57,22 @@ main(int argc, char **argv, char **env)
     signal(SIGINT, handle_signal);
     signal(SIGQUIT, handle_signal);
 
-    remoted_init ();
+    remoted_cmd_args (argc, argv, env, &ctx);
+
+    log_info ("remoted started");
+    // load configuration
+    if (remoted_auth_conf (&ctx)) {
+        log_error ("remoted cannot load configuration");
+    }
+    else
+        log_info ("remoted configuration loaded");
 
     if (srv_init (argc, argv, env, &srv, REMOTED_SERVICE_NAME) < 0) {
         handle_error("srv_init < 0");
-        return EXIT_FAILURE;
     }
-    printf ("Listening on %s.\n", srv.spath);
+    log_info ("remoted listening on %s", srv.spath);
 
-    printf("MAIN: server created\n" );
+    // TODO: here comes pledge (openbsd)
 
     // the service will loop until the end of time, a specific message, a signal
     remoted_main_loop (&srv);
@@ -58,6 +81,7 @@ main(int argc, char **argv, char **env)
     if (srv_close (&srv) < 0) {
         handle_error("srv_close < 0");
     }
+    log_info ("remoted ended");
 
     return EXIT_SUCCESS;
 }

remote/lib/remoted.c

@@ -3,6 +3,7 @@
 #include "../../core/process.h"
 #include "../../core/utils.h"
 #include "../../core/error.h"
+#include "../../core/logger.h"
 
 #include "remoted.h"
 
@@ -13,5 +14,6 @@
 void remoted_main_loop (struct service *srv)
 {
     (void) srv;
+    log_debug ("remoted entering main loop");
     /* TODO */
 }

remote/lib/remoted.h

@@ -6,6 +6,10 @@
 
 #define REMOTED_SERVICE_NAME "remoted"
 
+struct remoted_ctx {
+    /* TODO */
+};
+
 void remoted_main_loop (struct service *srv);
 
 #endif