Merge pull request #4333

73403004 add --block-notify to monerod and --tx-notify to monero-wallet-{cli,rpc} (moneromooo-monero)

5 files changed, 238 insertions, 0 deletions

diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index e89dbbc24..9b83f149f 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -34,9 +34,11 @@ set(common_sources
   dns_utils.cpp
   download.cpp
   error.cpp
+  exec.cpp
   expect.cpp
   util.cpp
   i18n.cpp
+  notify.cpp
   password.cpp
   perf_timer.cpp
   threadpool.cpp
@@ -58,9 +60,11 @@ set(common_private_headers
   dns_utils.h
   download.h
   error.h
+  exec.h
   expect.h
   http_connection.h
   int-util.h
+  notify.h
   pod-class.h
   rpc_client.h
   scoped_message_writer.h
diff --git a/src/common/exec.cpp b/src/common/exec.cpp
new file mode 100644
index 000000000..41b8f1378
--- /dev/null
+++ b/src/common/exec.cpp
@@ -0,0 +1,88 @@
+// Copyright (c) 2018, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "misc_log_ex.h"
+#include "exec.h"
+
+namespace tools
+{
+
+int exec(const char *filename, char * const argv[], bool wait)
+{
+  pid_t pid = fork();
+  if (pid < 0)
+  {
+    MERROR("Error forking: " << strerror(errno));
+    return -1;
+  }
+
+  // child
+  if (pid == 0)
+  {
+    char *envp[] = {NULL};
+    execve(filename, argv, envp);
+    MERROR("Failed to execve: " << strerror(errno));
+    return -1;
+  }
+
+  // parent
+  if (pid > 0)
+  {
+    if (!wait)
+      return 0;
+
+    while (1)
+    {
+      int wstatus = 0;
+      pid_t w = waitpid(pid, &wstatus, WUNTRACED | WCONTINUED);
+      if (w  < 0) {
+        MERROR("Error waiting for child: " << strerror(errno));
+        return -1;
+      }
+      if (WIFEXITED(wstatus))
+      {
+        MINFO("Child exited with " << WEXITSTATUS(wstatus));
+        return WEXITSTATUS(wstatus);
+      }
+      if (WIFSIGNALED(wstatus))
+      {
+        MINFO("Child killed by " << WEXITSTATUS(wstatus));
+        return WEXITSTATUS(wstatus);
+      }
+    }
+  }
+  MERROR("Secret passage found");
+  return -1;
+}
+
+}
diff --git a/src/common/exec.h b/src/common/exec.h
new file mode 100644
index 000000000..4d2037798
--- /dev/null
+++ b/src/common/exec.h
@@ -0,0 +1,36 @@
+// Copyright (c) 2018, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#pragma once 
+
+namespace tools
+{
+
+int exec(const char *filename, char * const argv[], bool wait);
+
+}
diff --git a/src/common/notify.cpp b/src/common/notify.cpp
new file mode 100644
index 000000000..b7869ad84
--- /dev/null
+++ b/src/common/notify.cpp
@@ -0,0 +1,61 @@
+// Copyright (c) 2018, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <boost/algorithm/string.hpp>
+#include "misc_log_ex.h"
+#include "file_io_utils.h"
+#include "exec.h"
+#include "notify.h"
+
+namespace tools
+{
+
+Notify::Notify(const char *spec)
+{
+  CHECK_AND_ASSERT_THROW_MES(spec, "Null spec");
+
+  boost::split(args, spec, boost::is_any_of(" "));
+  CHECK_AND_ASSERT_THROW_MES(args.size() > 0, "Failed to parse spec");
+  filename = args[0];
+  CHECK_AND_ASSERT_THROW_MES(epee::file_io_utils::is_file_exist(filename), "File not found: " << filename);
+}
+
+int Notify::notify(const char *parameter)
+{
+  std::vector<std::string> margs = args;
+  for (std::string &s: margs)
+    boost::replace_all(s, "%s", parameter);
+
+  char **cargs = (char**)alloca(sizeof(char*) * (margs.size() + 1));
+  for (size_t n = 0; n < margs.size(); ++n)
+    cargs[n] = (char*)margs[n].c_str();
+  cargs[margs.size()] = NULL;
+  return tools::exec(filename.c_str(), cargs, false);
+}
+
+}
diff --git a/src/common/notify.h b/src/common/notify.h
new file mode 100644
index 000000000..81aacebb0
--- /dev/null
+++ b/src/common/notify.h
@@ -0,0 +1,49 @@
+// Copyright (c) 2018, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#pragma once 
+
+#include <string>
+#include <vector>
+
+namespace tools
+{
+
+class Notify
+{
+public:
+  Notify(const char *spec);
+
+  int notify(const char *parameter);
+
+private:
+  std::string filename;
+  std::vector<std::string> args;
+};
+
+}