1 files changed, 166 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/utils/sqlite3/sqlite3.cpp b/comm/third_party/botan/src/lib/utils/sqlite3/sqlite3.cpp
new file mode 100644
index 0000000000..8c71ecd964
--- /dev/null
+++ b/comm/third_party/botan/src/lib/utils/sqlite3/sqlite3.cpp
@@ -0,0 +1,166 @@
+/*
+* SQLite wrapper
+* (C) 2012 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/sqlite3.h>
+#include <botan/exceptn.h>
+#include <botan/mem_ops.h>
+#include <sqlite3.h>
+
+namespace Botan {
+
+Sqlite3_Database::Sqlite3_Database(const std::string& db_filename)
+   {
+   int rc = ::sqlite3_open(db_filename.c_str(), &m_db);
+
+   if(rc)
+      {
+      const std::string err_msg = ::sqlite3_errmsg(m_db);
+      ::sqlite3_close(m_db);
+      m_db = nullptr;
+      throw SQL_DB_Error("sqlite3_open failed - " + err_msg);
+      }
+   }
+
+Sqlite3_Database::~Sqlite3_Database()
+   {
+   if(m_db)
+      ::sqlite3_close(m_db);
+   m_db = nullptr;
+   }
+
+std::shared_ptr<SQL_Database::Statement> Sqlite3_Database::new_statement(const std::string& base_sql) const
+   {
+   return std::make_shared<Sqlite3_Statement>(m_db, base_sql);
+   }
+
+size_t Sqlite3_Database::row_count(const std::string& table_name)
+   {
+   auto stmt = new_statement("select count(*) from " + table_name);
+
+   if(stmt->step())
+      return stmt->get_size_t(0);
+   else
+      throw SQL_DB_Error("Querying size of table " + table_name + " failed");
+   }
+
+void Sqlite3_Database::create_table(const std::string& table_schema)
+   {
+   char* errmsg = nullptr;
+   int rc = ::sqlite3_exec(m_db, table_schema.c_str(), nullptr, nullptr, &errmsg);
+
+   if(rc != SQLITE_OK)
+      {
+      const std::string err_msg = errmsg;
+      ::sqlite3_free(errmsg);
+      ::sqlite3_close(m_db);
+      m_db = nullptr;
+      throw SQL_DB_Error("sqlite3_exec for table failed - " + err_msg);
+      }
+   }
+
+Sqlite3_Database::Sqlite3_Statement::Sqlite3_Statement(sqlite3* db, const std::string& base_sql)
+   {
+   int rc = ::sqlite3_prepare_v2(db, base_sql.c_str(), -1, &m_stmt, nullptr);
+
+   if(rc != SQLITE_OK)
+      throw SQL_DB_Error("sqlite3_prepare failed on " + base_sql, rc);
+   }
+
+void Sqlite3_Database::Sqlite3_Statement::bind(int column, const std::string& val)
+   {
+   int rc = ::sqlite3_bind_text(m_stmt, column, val.c_str(), -1, SQLITE_TRANSIENT);
+   if(rc != SQLITE_OK)
+      throw SQL_DB_Error("sqlite3_bind_text failed", rc);
+   }
+
+void Sqlite3_Database::Sqlite3_Statement::bind(int column, size_t val)
+   {
+   if(val != static_cast<size_t>(static_cast<int>(val))) // is this cast legit?
+      throw SQL_DB_Error("sqlite3 cannot store " + std::to_string(val) + " without truncation");
+   int rc = ::sqlite3_bind_int(m_stmt, column, val);
+   if(rc != SQLITE_OK)
+      throw SQL_DB_Error("sqlite3_bind_int failed", rc);
+   }
+
+void Sqlite3_Database::Sqlite3_Statement::bind(int column, std::chrono::system_clock::time_point time)
+   {
+   const int timeval = std::chrono::duration_cast<std::chrono::seconds>(time.time_since_epoch()).count();
+   bind(column, timeval);
+   }
+
+void Sqlite3_Database::Sqlite3_Statement::bind(int column, const std::vector<uint8_t>& val)
+   {
+   int rc = ::sqlite3_bind_blob(m_stmt, column, val.data(), val.size(), SQLITE_TRANSIENT);
+   if(rc != SQLITE_OK)
+      throw SQL_DB_Error("sqlite3_bind_text failed", rc);
+   }
+
+void Sqlite3_Database::Sqlite3_Statement::bind(int column, const uint8_t* p, size_t len)
+   {
+   int rc = ::sqlite3_bind_blob(m_stmt, column, p, len, SQLITE_TRANSIENT);
+   if(rc != SQLITE_OK)
+      throw SQL_DB_Error("sqlite3_bind_text failed", rc);
+   }
+
+std::pair<const uint8_t*, size_t> Sqlite3_Database::Sqlite3_Statement::get_blob(int column)
+   {
+   BOTAN_ASSERT(::sqlite3_column_type(m_stmt, column) == SQLITE_BLOB,
+                "Return value is a blob");
+
+   const void* session_blob = ::sqlite3_column_blob(m_stmt, column);
+   const int session_blob_size = ::sqlite3_column_bytes(m_stmt, column);
+
+   BOTAN_ASSERT(session_blob_size >= 0, "Blob size is non-negative");
+
+   return std::make_pair(static_cast<const uint8_t*>(session_blob),
+                         static_cast<size_t>(session_blob_size));
+   }
+
+std::string Sqlite3_Database::Sqlite3_Statement::get_str(int column)
+   {
+   BOTAN_ASSERT(::sqlite3_column_type(m_stmt, column) == SQLITE_TEXT,
+                "Return value is text");
+
+   const unsigned char* str = ::sqlite3_column_text(m_stmt, column);
+
+   return std::string(cast_uint8_ptr_to_char(str));
+   }
+
+size_t Sqlite3_Database::Sqlite3_Statement::get_size_t(int column)
+   {
+   BOTAN_ASSERT(::sqlite3_column_type(m_stmt, column) == SQLITE_INTEGER,
+                "Return count is an integer");
+
+   const int sessions_int = ::sqlite3_column_int(m_stmt, column);
+
+   BOTAN_ASSERT(sessions_int >= 0, "Expected size_t is non-negative");
+
+   return static_cast<size_t>(sessions_int);
+   }
+
+size_t Sqlite3_Database::Sqlite3_Statement::spin()
+   {
+   size_t steps = 0;
+   while(step())
+      {
+      ++steps;
+      }
+
+   return steps;
+   }
+
+bool Sqlite3_Database::Sqlite3_Statement::step()
+   {
+   return (::sqlite3_step(m_stmt) == SQLITE_ROW);
+   }
+
+Sqlite3_Database::Sqlite3_Statement::~Sqlite3_Statement()
+   {
+   ::sqlite3_finalize(m_stmt);
+   }
+
+}