1 files changed, 290 insertions, 0 deletions

diff --git a/src/lib/util/test_os_start_process.c b/src/lib/util/test_os_start_process.c
new file mode 100644
index 000000000..cdb1acf03
--- /dev/null
+++ b/src/lib/util/test_os_start_process.c
@@ -0,0 +1,290 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2009 GNUnet e.V.
+
+     GNUnet is free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     or (at your option) any later version.
+
+     GNUnet 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
+     Affero General Public License for more details.
+
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/**
+ * @file util/test_os_start_process.c
+ * @brief testcase for os start process code
+ *
+ * This testcase simply calls the os start process code
+ * giving a file descriptor to write stdout to.  If the
+ * correct data "HELLO" is read then all is well.
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "disk.h"
+
+
+static const char *test_phrase = "HELLO WORLD";
+
+static int ok;
+
+static struct GNUNET_OS_Process *proc;
+
+/**
+ * Pipe to write to started processes stdin (on write end)
+ */
+static struct GNUNET_DISK_PipeHandle *hello_pipe_stdin;
+
+/**
+ * Pipe to read from started processes stdout (on read end)
+ */
+static struct GNUNET_DISK_PipeHandle *hello_pipe_stdout;
+
+static struct GNUNET_SCHEDULER_Task *die_task;
+
+struct read_context
+{
+  char buf[16];
+  int buf_offset;
+  const struct GNUNET_DISK_FileHandle *stdout_read_handle;
+};
+
+
+static struct read_context rc;
+
+
+static void
+end_task (void *cls)
+{
+  if (0 != GNUNET_OS_process_kill (proc, GNUNET_TERM_SIG))
+  {
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+  }
+  GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (proc));
+  GNUNET_OS_process_destroy (proc);
+  proc = NULL;
+  GNUNET_DISK_pipe_close (hello_pipe_stdout);
+  GNUNET_DISK_pipe_close (hello_pipe_stdin);
+}
+
+
+static void
+read_call (void *cls)
+{
+  int bytes;
+
+  bytes = GNUNET_DISK_file_read (rc.stdout_read_handle,
+                                 &rc.buf[rc.buf_offset],
+                                 sizeof(rc.buf) - rc.buf_offset);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "bytes is %d\n",
+              bytes);
+
+  if (bytes < 1)
+  {
+    GNUNET_break (0);
+    ok = 1;
+    GNUNET_SCHEDULER_cancel (die_task);
+    (void) GNUNET_SCHEDULER_add_now (&end_task, NULL);
+    return;
+  }
+
+  ok = strncmp (rc.buf, test_phrase, strlen (test_phrase));
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "read %s\n",
+              &rc.buf[rc.buf_offset]);
+  rc.buf_offset += bytes;
+
+  if (0 == ok)
+  {
+    GNUNET_SCHEDULER_cancel (die_task);
+    (void) GNUNET_SCHEDULER_add_now (&end_task, NULL);
+    return;
+  }
+
+  GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
+                                  rc.stdout_read_handle,
+                                  &read_call,
+                                  NULL);
+}
+
+
+static void
+run_task (void *cls)
+{
+  const struct GNUNET_DISK_FileHandle *stdout_read_handle;
+  const struct GNUNET_DISK_FileHandle *wh;
+
+  hello_pipe_stdin = GNUNET_DISK_pipe (GNUNET_DISK_PF_BLOCKING_RW);
+  hello_pipe_stdout = GNUNET_DISK_pipe (GNUNET_DISK_PF_BLOCKING_RW);
+  if ((hello_pipe_stdout == NULL) || (hello_pipe_stdin == NULL))
+  {
+    GNUNET_break (0);
+    ok = 1;
+    return;
+  }
+
+  proc =
+    GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_ERR,
+                             hello_pipe_stdin, hello_pipe_stdout, NULL,
+                             "cat",
+                             "cat", "-", NULL);
+  /* Close the write end of the read pipe */
+  GNUNET_DISK_pipe_close_end (hello_pipe_stdout, GNUNET_DISK_PIPE_END_WRITE);
+  /* Close the read end of the write pipe */
+  GNUNET_DISK_pipe_close_end (hello_pipe_stdin, GNUNET_DISK_PIPE_END_READ);
+
+  wh = GNUNET_DISK_pipe_handle (hello_pipe_stdin, GNUNET_DISK_PIPE_END_WRITE);
+
+  /* Write the test_phrase to the cat process */
+  if (GNUNET_DISK_file_write (wh, test_phrase, strlen (test_phrase) + 1) !=
+      strlen (test_phrase) + 1)
+  {
+    GNUNET_break (0);
+    ok = 1;
+    return;
+  }
+
+  /* Close the write end to end the cycle! */
+  GNUNET_DISK_pipe_close_end (hello_pipe_stdin, GNUNET_DISK_PIPE_END_WRITE);
+
+  stdout_read_handle =
+    GNUNET_DISK_pipe_handle (hello_pipe_stdout, GNUNET_DISK_PIPE_END_READ);
+
+  die_task =
+    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+                                    (GNUNET_TIME_UNIT_MINUTES, 1),
+                                  &end_task,
+                                  NULL);
+
+  memset (&rc, 0, sizeof(rc));
+  rc.stdout_read_handle = stdout_read_handle;
+  GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
+                                  stdout_read_handle,
+                                  &read_call,
+                                  NULL);
+}
+
+
+/**
+ * Main method, starts scheduler with task1,
+ * checks that "ok" is correct at the end.
+ */
+static int
+check_run ()
+{
+  ok = 1;
+  GNUNET_SCHEDULER_run (&run_task, &ok);
+  return ok;
+}
+
+
+/**
+ * Test killing via pipe.
+ */
+static int
+check_kill ()
+{
+  char *fn;
+
+  hello_pipe_stdin = GNUNET_DISK_pipe (GNUNET_DISK_PF_BLOCKING_RW);
+  hello_pipe_stdout = GNUNET_DISK_pipe (GNUNET_DISK_PF_BLOCKING_RW);
+  if ((hello_pipe_stdout == NULL) || (hello_pipe_stdin == NULL))
+  {
+    return 1;
+  }
+  fn = GNUNET_OS_get_libexec_binary_path ("gnunet-service-resolver");
+  proc =
+    GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_ERR
+                             | GNUNET_OS_USE_PIPE_CONTROL,
+                             hello_pipe_stdin,
+                             hello_pipe_stdout,
+                             NULL,
+                             fn,
+                             "gnunet-service-resolver", "-",
+                             NULL);
+  if (NULL == proc)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Failed to launch gnunet-service-resolver. Is your system setup correct?\n");
+    return 77;
+  }
+  sleep (1);  /* give process time to start, so we actually use the pipe-kill mechanism! */
+  GNUNET_free (fn);
+  if (0 != GNUNET_OS_process_kill (proc, GNUNET_TERM_SIG))
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+  GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (proc));
+  GNUNET_OS_process_destroy (proc);
+  proc = NULL;
+  GNUNET_DISK_pipe_close (hello_pipe_stdout);
+  GNUNET_DISK_pipe_close (hello_pipe_stdin);
+  return 0;
+}
+
+
+/**
+ * Test killing via pipe.
+ */
+static int
+check_instant_kill ()
+{
+  char *fn;
+
+  hello_pipe_stdin = GNUNET_DISK_pipe (GNUNET_DISK_PF_BLOCKING_RW);
+  hello_pipe_stdout = GNUNET_DISK_pipe (GNUNET_DISK_PF_BLOCKING_RW);
+  if ((hello_pipe_stdout == NULL) || (hello_pipe_stdin == NULL))
+  {
+    return 1;
+  }
+  fn = GNUNET_OS_get_libexec_binary_path ("gnunet-service-resolver");
+  proc =
+    GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_ERR
+                             | GNUNET_OS_USE_PIPE_CONTROL,
+                             hello_pipe_stdin, hello_pipe_stdout, NULL,
+                             fn,
+                             "gnunet-service-resolver", "-", NULL);
+  if (NULL == proc)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Failed to launch gnunet-service-resolver. Is your system setup correct?\n");
+    return 77;
+  }
+  if (0 != GNUNET_OS_process_kill (proc,
+                                   GNUNET_TERM_SIG))
+  {
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+  }
+  GNUNET_free (fn);
+  GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (proc));
+  GNUNET_OS_process_destroy (proc);
+  proc = NULL;
+  GNUNET_DISK_pipe_close (hello_pipe_stdout);
+  GNUNET_DISK_pipe_close (hello_pipe_stdin);
+  return 0;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  int ret;
+
+  GNUNET_log_setup ("test-os-start-process",
+                    "WARNING",
+                    NULL);
+  ret = 0;
+  ret |= check_run ();
+  ret |= check_kill ();
+  ret |= check_instant_kill ();
+  return ret;
+}
+
+
+/* end of test_os_start_process.c */