Initial very simple wallet client program.

3 files changed, 134 insertions, 1 deletions

diff --git a/Makefile.am b/Makefile.am
index 6f82c4e..26cd6dc 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,7 +8,10 @@
 AUTOMAKE_OPTIONS = foreign subdir-objects
 EXTRA_DIST = doc/design-acl doc/design-api doc/design-schema doc/notes
 
-bin_PROGRAMS = kasetkey/kasetkey
+bin_PROGRAMS = client/wallet kasetkey/kasetkey
+client_wallet_CPPFLAGS = @REMCTL_CPPFLAGS@
+client_wallet_LDFLAGS = @REMCTL_LDFLAGS@
+client_wallet_LDADD = -lremctl
 kasetkey_kasetkey_CPPFLAGS = @AFS_CPPFLAGS@
 kasetkey_kasetkey_LDFLAGS = @AFS_LDFLAGS@
 kasetkey_kasetkey_LDADD = -lkauth.krb -lprot -lubik -lauth -lrxkad -ldes \
diff --git a/client/wallet.c b/client/wallet.c
new file mode 100644
index 0000000..6106651
--- /dev/null
+++ b/client/wallet.c
@@ -0,0 +1,118 @@
+/*  $Id$
+**
+**  The client program for the wallet system.
+**
+**  Written by Russ Allbery <rra@stanford.edu>
+**  Copyright 2006 Board of Trustees, Leland Stanford Jr. University
+**
+**  See README for licensing terms.
+*/
+
+#include <config.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <remctl.h>
+
+/* Temporary until we have some real configuration. */
+#ifndef SERVER
+# define SERVER "wallet.stanford.edu"
+#endif
+#ifndef PORT
+# define PORT 4444
+#endif
+
+/* Usage message. */
+static const char usage_message[] = "\
+Usage: wallet (get|show) keytab <name>\n\
+\n\
+Options:\n\
+    -h            Display this help\n\
+    -v            Display the version of remctl\n";
+
+
+/*
+**  Display the usage message for remctl.
+*/
+static void
+usage(int status)
+{
+    fprintf((status == 0) ? stdout : stderr, "%s", usage_message);
+    exit(status);
+}
+
+
+/*
+**  Main routine.  Parse the arguments and then perform the desired
+**  operation.
+*/
+int
+main(int argc, char *argv[])
+{
+    int option, fd;
+    ssize_t status;
+    const char *command[3];
+    struct remctl_result *result;
+
+    while ((option = getopt(argc, argv, "hv")) != EOF) {
+        switch (option) {
+        case 'h':
+            usage(0);
+            break;
+        case 'v':
+            printf("%s\n", PACKAGE_STRING);
+            exit(0);
+            break;
+        default:
+            usage(1);
+            break;
+        }
+    }
+    argc -= optind;
+    argv += optind;
+    if (argc != 3)
+        usage(1);
+    if (strcmp(argv[1], "keytab") != 0)
+        usage(1);
+
+    /* Perform the desired operation based on the first argument. */
+    if (strcmp(argv[0], "get") == 0) {
+        command[0] = "get";
+    } else if (strcmp(argv[0], "show") == 0) {
+        command[0] = "show";
+    }
+    command[1] = "keytab";
+    command[2] = argv[2];
+    result = remctl(SERVER, PORT, NULL, command);
+
+    /* Display the results. */
+    if (result->error != NULL) {
+        fprintf(stderr, "%s\n", result->error);
+    } else if (result->stderr_len > 0) {
+        fwrite(result->stderr_buf, 1, result->stderr_len, stderr);
+    } else {
+        fd = open("keytab", O_WRONLY | O_CREAT | O_TRUNC, 0600);
+        if (fd < 0) {
+            fprintf(stderr, "open of keytab failed: %s", strerror(errno));
+            exit(1);
+        }
+        status = write(fd, result->stdout_buf, result->stdout_len);
+        if (status < 0) {
+            fprintf(stderr, "write to keytab failed: %s", strerror(errno));
+            exit(1);
+        } else if (status != result->stdout_len) {
+            fprintf(stderr, "write to keytab truncated");
+            exit(1);
+        }
+        if (close(fd) < 0) {
+            fprintf(stderr, "close of keytab failed: %s", strerror(errno));
+            exit(1);
+        }
+    }
+    exit(result->status);
+}
diff --git a/configure.ac b/configure.ac
index c0fc28c..45fa976 100644
--- a/configure.ac
+++ b/configure.ac
@@ -30,6 +30,18 @@ AC_ARG_WITH([afs-libs],
      fi])
 AC_SUBST([AFS_LDFLAGS])
 
+REMCTL_CPPFLAGS=
+REMCTL_LDFLAGS=
+AC_ARG_WITH([remctl],
+    AC_HELP_STRING([--with-remctl=DIR],
+        [Prefix for remctl headers and libraries]),
+    [if test x"$withval" != xno ; then
+        REMCTL_CPPFLAGS="-I${withval}/include"
+        REMCTL_LDFLAGS="-L${withval}/lib"
+     fi])
+AC_SUBST([REMCTL_CPPFLAGS])
+AC_SUBST([REMCTL_LDFLAGS])
+
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_INSTALL