identify.c: Stash a copy of the caller's description string.

[fwd] / fwd.c

diff --git a/fwd.c b/fwd.c
index d80275b..0455bc4 100644 (file)
--- a/fwd.c
+++ b/fwd.c
@@ -29,6 +29,7 @@
 /*----- Global variables --------------------------------------------------*/
 
 sel_state *sel;                                /* Multiplexor for nonblocking I/O */
+unsigned flags = 0;                    /* Global state flags */
 
 /*----- Static variables --------------------------------------------------*/
 
@@ -37,14 +38,9 @@ typedef struct conffile {
   char *name;
 } conffile;
 
-static unsigned flags = 0;             /* Global state flags */
 static unsigned active = 0;            /* Number of active things */
 static conffile *conffiles = 0;                /* List of configuration files */
 
-#define FW_SYSLOG 1u
-#define FW_QUIET 2u
-#define FW_SET 4u
-
 /*----- Configuration parsing ---------------------------------------------*/
 
 /* --- @parse@ --- *
@@ -241,11 +237,11 @@ void fw_log(time_t t, const char *fmt, ...)
   if (flags & FW_QUIET)
     return;
 
-  if (t == -1)
+  if (t == NOW)
     t = time(0);
   tm = localtime(&t);
   DENSURE(&d, 64);
-  d.len += strftime(d.buf, d.sz, "%Y-%m-%d %H:%M:%S ", tm);
+  d.len += strftime(d.buf, d.sz, "%Y-%m-%d %H:%M:%S %z ", tm);
   va_start(ap, fmt);
   dstr_vputf(&d, fmt, &ap);
   va_end(ap);
@@ -305,7 +301,7 @@ static void fw_tidy(int n, void *p)
     default: abort();
   }
 
-  fw_log(-1, "closing down gracefully on %s", sn);
+  fw_log(NOW, "closing down gracefully on %s", sn);
   source_killall();
 }
 
@@ -327,7 +323,7 @@ static void fw_die(int n, void *p)
     default: abort();
   }
 
-  fw_log(-1, "closing down abruptly on %s", sn);
+  fw_log(NOW, "closing down abruptly on %s", sn);
   source_killall();
   endpt_killall();
 }
@@ -350,20 +346,20 @@ static void fw_reload(int n, void *p)
 
   assert(n == SIGHUP);
   if (!conffiles) {
-    fw_log(-1, "no configuration files to reload: ignoring SIGHUP");
+    fw_log(NOW, "no configuration files to reload: ignoring SIGHUP");
     return;
   }
-  fw_log(-1, "reloading configuration files...");
+  fw_log(NOW, "reloading configuration files...");
   source_killall();
   scan_create(&sc);
   for (cf = conffiles; cf; cf = cf->next) {
     if ((fp = fopen(cf->name, "r")) == 0)
-      fw_log(-1, "error loading `%s': %s", cf->name, strerror(errno));
+      fw_log(NOW, "error loading `%s': %s", cf->name, strerror(errno));
     else
       scan_add(&sc, scan_file(fp, cf->name, 0));
   }
   parse(&sc);
-  fw_log(-1, "... reload completed OK");
+  fw_log(NOW, "... reload completed OK");
 }
 
 /*----- Startup and options parsing ---------------------------------------*/
@@ -487,7 +483,7 @@ int main(int argc, char *argv[])
 
       /* --- Standard GNU help options --- */
 
-      { "help",        0,              0,      'h' },
+      { "help",                0,              0,      'h' },
       { "version",     0,              0,      'v' },
       { "usage",       0,              0,      'u' },
 
@@ -514,7 +510,7 @@ int main(int argc, char *argv[])
 
       { 0,             0,              0,      0 }
     };
-    int i = mdwopt(argc, argv, "+hvu" "GO" "f:dp:ls:g:", opts, 0, 0, 0);
+    int i = mdwopt(argc, argv, "+hvu" "GO" "f:dp:lqs:g:", opts, 0, 0, 0);
 
     if (i < 0)
       break;
@@ -650,7 +646,8 @@ int main(int argc, char *argv[])
       _exit(0);
 
     close(0); close(1); close(2);
-    chdir("/");
+    if (chdir("/"))
+      die(1, "couldn't change to root directory: %s", strerror(errno));
     setsid();
 
     kid = fork();
@@ -701,10 +698,10 @@ int main(int argc, char *argv[])
       if (!sel_select(sel))
        selerr = 0;
       else if (errno != EINTR && errno != EAGAIN) {
-       fw_log(-1, "error from select: %s", strerror(errno));
+       fw_log(NOW, "error from select: %s", strerror(errno));
        selerr++;
        if (selerr > 8) {
-         fw_log(-1, "too many consecutive select errors: bailing out");
+         fw_log(NOW, "too many consecutive select errors: bailing out");
          exit(EXIT_FAILURE);
        }
       }