client: Function for inserting arguments.

[tripe] / client / tripectl.c

diff --git a/client/tripectl.c b/client/tripectl.c
index 7386b304b3a7dd808b4cd46a978fd5073e543498..133170475f5a9dd5095fc8767a7f21e54f8eed25 100644 (file)
--- a/client/tripectl.c
+++ b/client/tripectl.c
@@ -1,13 +1,11 @@
 /* -*-c-*-
- *
- * $Id$
  *
  * Client for TrIPE
  *
  * (c) 2001 Straylight/Edgeware
  */
 
-/*----- Licensing notice --------------------------------------------------* 
+/*----- Licensing notice --------------------------------------------------*
  *
  * This file is part of Trivial IP Encryption (TrIPE).
  *
@@ -15,12 +13,12 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- * 
+ *
  * TrIPE is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with TrIPE; if not, write to the Free Software Foundation,
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
@@ -51,6 +49,7 @@
 #include <netdb.h>
 
 #include <mLib/alloc.h>
+#include <mLib/daemonize.h>
 #include <mLib/darray.h>
 #include <mLib/dstr.h>
 #include <mLib/mdwopt.h>
@@ -60,6 +59,7 @@
 #include <mLib/selbuf.h>
 #include <mLib/sig.h>
 #include <mLib/str.h>
+#include <mLib/versioncmp.h>
 
 #include "util.h"
 
@@ -120,10 +120,7 @@ static void checkbg(char **p)
 }
 
 static void checkfg(void)
-{
-  if (bgtag)
-    die(EXIT_FAILURE, "unexpected foreground response");
-}
+  { if (bgtag) die(EXIT_FAILURE, "unexpected foreground response"); }
 
 static void cline(char *p, size_t len, void *b)
 {
@@ -163,6 +160,7 @@ static void cline(char *p, size_t len, void *b)
   } else if (strcmp(q, "INFO") == 0) {
     checkfg();
     puts(p);
+    fflush(stdout);
   } else if (strcmp(q, "OK") == 0) {
     checkfg();
     exit(0);
@@ -176,11 +174,12 @@ static void cline(char *p, size_t len, void *b)
   } else if (strcmp(q, "BGINFO") == 0) {
     checkbg(&p);
     puts(p);
+    fflush(stdout);
   } else if (strcmp(q, "BGFAIL") == 0) {
     checkbg(&p);
     die(EXIT_FAILURE, "%s", p);
   } else
-    die(EXIT_FAILURE, "unexpected output `%s %s'", q, p); 
+    die(EXIT_FAILURE, "unexpected output `%s %s'", q, p);
 }
 
 static void sline(char *p, size_t len, void *b)
@@ -191,6 +190,7 @@ static void sline(char *p, size_t len, void *b)
     exit(0);
   }
   puts(p);
+  fflush(stdout);
 }
 
 static void uline(char *p, size_t len, void *b)
@@ -270,17 +270,22 @@ static void logfile(const char *name)
 
 static void sighup(int sig, void *v) { logfile(logname); }
 
-static void cleanup(void)
-{
-  if (pidfile)
-    unlink(pidfile);
-}
+static void cleanup(void) { if (pidfile) unlink(pidfile); }
 
 static void sigdie(int sig)
+  { cleanup(); signal(sig, SIG_DFL); raise(sig); }
+
+static void putarg(string_v *av, const char *fmt, ...)
 {
-  cleanup();
-  signal(sig, SIG_DFL);
-  raise(sig);
+  va_list ap;
+  dstr d = DSTR_INIT;
+
+  va_start(ap, fmt);
+  dstr_vputf(&d, fmt, &ap);
+  dstr_putz(&d);
+  va_end(ap);
+  DA_UNSHIFT(av, xstrdup(d.buf));
+  dstr_destroy(&d);
 }
 
 static void version(FILE *fp)
@@ -314,7 +319,7 @@ Options in full:\n\
 -D, --daemon           Become a background task after connecting.\n\
 -d, --directory=DIR    Select current directory [default " CONFIGDIR "].\n\
 -a, --admin-socket=FILE        Select socket to connect to\n\
-                          [default " SOCKETDIR "/tripesock].\n\
+                         [default " SOCKETDIR "/tripesock].\n\
 -P, --pidfile=FILE     Write process-id to FILE.\n\
 \n\
 -s, --spawn            Start server rather than connecting.\n\
@@ -340,6 +345,8 @@ int main(int argc, char *argv[])
 
   if ((p = getenv("TRIPEDIR")) != 0)
     dir = p;
+  if ((p = getenv("TRIPESOCK")) != 0)
+    sock = p;
 
   /* --- Parse the arguments --- */
 
@@ -453,11 +460,11 @@ int main(int argc, char *argv[])
 #endif
     sigaction(SIGCHLD, &sa, 0);
 
-    DA_UNSHIFT(&spawnopts, (char *)sock);
-    DA_UNSHIFT(&spawnopts, "-a");
-    DA_UNSHIFT(&spawnopts, "-d.");
-    DA_UNSHIFT(&spawnopts, (char *)spawnpath);
     DA_PUSH(&spawnopts, 0);
+    putarg(&spawnopts, "-a%s", sock);
+    putarg(&spawnopts, "-d.");
+    putarg(&spawnopts, "-F");
+    putarg(&spawnopts, "%s", spawnpath);
     if (socketpair(PF_UNIX, SOCK_STREAM, 0, pfd))
       die(EXIT_FAILURE, "error from socketpair: %s", strerror(errno));
     sigemptyset(&newmask);
@@ -468,15 +475,12 @@ int main(int argc, char *argv[])
     if (!kid) {
       dup2(pfd[1], STDIN_FILENO);
       dup2(pfd[1], STDOUT_FILENO);
-      close(pfd[1]);
       close(pfd[0]);
-      if (logfp)
-       fclose(logfp);
-      if (pidfp)
-       fclose(pidfp);
+      close(pfd[1]);
+      if (logfp) fclose(logfp);
+      if (pidfp) fclose(pidfp);
       closelog();
-      if (f & f_daemon)
-       u_detach();
+      if (f & f_daemon) detachtty();
       execvp(DA(&spawnopts)[0], DA(&spawnopts));
       die(127, "couldn't exec `%s': %s", spawnpath, strerror(errno));
     }
@@ -501,7 +505,7 @@ int main(int argc, char *argv[])
   }
 
   if (f & f_daemon) {
-    if (u_daemon())
+    if (daemonize())
       die(EXIT_FAILURE, "error becoming daemon: %s", strerror(errno));
   }
   if (pidfp) {
@@ -532,11 +536,8 @@ int main(int argc, char *argv[])
   if (optind < argc) {
     dstr d = DSTR_INIT;
     setup((f & f_warn) ? "WATCH -A+w" : "WATCH -A");
-    dstr_puts(&d, argv[optind++]);
-    while (optind < argc) {
-      dstr_putc(&d, ' ');
-      dstr_puts(&d, argv[optind++]);
-    }
+    while (optind < argc)
+      u_quotify(&d, argv[optind++]);
     dstr_putc(&d, '\n');
     errno = EIO;
     if (write(fd, d.buf, d.len) != d.len || shutdown(fd, 1))