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  • Committer: Monty Taylor
  • Date: 2010-09-26 21:24:15 UTC
  • mto: (1796.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 1797.
  • Revision ID: mordred@inaugust.com-20100926212415-5fn3p3q75pgiei7r
Moved protocol doc into the docs.

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drizzled/plugin/authorization.cc
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#include <vector>
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#include "drizzled/plugin/authorization.h"
 
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#include "drizzled/security_context.h"
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#include "drizzled/identifier.h"
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#include "drizzled/error.h"
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#include "drizzled/session.h"
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#include "drizzled/gettext.h"
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using namespace std;
 
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namespace drizzled
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{
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std::vector<plugin::Authorization *> authorization_plugins;
 
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vector<plugin::Authorization *> authorization_plugins;
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bool plugin::Authorization::addPlugin(plugin::Authorization *auth)
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{
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  if (auth != NULL)
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    authorization_plugins.push_back(auth);
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  return false;
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}
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{
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  if (auth != NULL)
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  {
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    authorization_plugins.erase(std::find(authorization_plugins.begin(),
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                                          authorization_plugins.end(),
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                                          auth));
 
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    authorization_plugins.erase(find(authorization_plugins.begin(),
 
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                                     authorization_plugins.end(),
 
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                                     auth));
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  }
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}
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{
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class RestrictDbFunctor :
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  public std::unary_function<plugin::Authorization *, bool>
 
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  public unary_function<plugin::Authorization *, bool>
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{
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  const identifier::User &user_ctx;
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  SchemaIdentifier::const_reference schema;
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  const SecurityContext &user_ctx;
 
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  SchemaIdentifier &schema;
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public:
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  RestrictDbFunctor(const identifier::User &user_ctx_arg,
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                    SchemaIdentifier::const_reference schema_arg) :
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    std::unary_function<plugin::Authorization *, bool>(),
 
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  RestrictDbFunctor(const SecurityContext &user_ctx_arg,
 
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                    SchemaIdentifier &schema_arg) :
 
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    unary_function<plugin::Authorization *, bool>(),
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    user_ctx(user_ctx_arg),
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    schema(schema_arg)
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  { }
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};
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class RestrictTableFunctor :
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  public std::unary_function<plugin::Authorization *, bool>
 
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  public unary_function<plugin::Authorization *, bool>
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{
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  const identifier::User &user_ctx;
 
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  const SecurityContext &user_ctx;
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  TableIdentifier &table;
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public:
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  RestrictTableFunctor(const identifier::User &user_ctx_arg,
 
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  RestrictTableFunctor(const SecurityContext &user_ctx_arg,
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                       TableIdentifier &table_arg) :
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    std::unary_function<plugin::Authorization *, bool>(),
 
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    unary_function<plugin::Authorization *, bool>(),
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    user_ctx(user_ctx_arg),
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    table(table_arg)
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  { }
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};
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class RestrictProcessFunctor :
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  public std::unary_function<plugin::Authorization *, bool>
 
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  public unary_function<plugin::Authorization *, bool>
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{
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  const identifier::User &user_ctx;
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  const identifier::User &session_ctx;
 
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  const SecurityContext &user_ctx;
 
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  const SecurityContext &session_ctx;
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public:
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  RestrictProcessFunctor(const identifier::User &user_ctx_arg,
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                         const identifier::User &session_ctx_arg) :
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    std::unary_function<plugin::Authorization *, bool>(),
 
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  RestrictProcessFunctor(const SecurityContext &user_ctx_arg,
 
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                         const SecurityContext &session_ctx_arg) :
 
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    unary_function<plugin::Authorization *, bool>(),
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    user_ctx(user_ctx_arg),
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    session_ctx(session_ctx_arg)
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  { }
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};
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class PruneSchemaFunctor :
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  public std::unary_function<SchemaIdentifier&, bool>
 
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  public unary_function<SchemaIdentifier&, bool>
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{
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  drizzled::identifier::User::const_shared_ptr user_ctx;
 
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  const SecurityContext &user_ctx;
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public:
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  PruneSchemaFunctor(drizzled::identifier::User::const_shared_ptr user_ctx_arg) :
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    std::unary_function<SchemaIdentifier&, bool>(),
 
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  PruneSchemaFunctor(const SecurityContext &user_ctx_arg) :
 
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    unary_function<SchemaIdentifier&, bool>(),
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    user_ctx(user_ctx_arg)
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  { }
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} /* namespace */
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bool plugin::Authorization::isAuthorized(identifier::User::const_shared_ptr user_ctx,
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                                         SchemaIdentifier::const_reference schema_identifier,
 
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bool plugin::Authorization::isAuthorized(const SecurityContext &user_ctx,
 
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                                         SchemaIdentifier &schema_identifier,
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                                         bool send_error)
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{
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  /* If we never loaded any authorization plugins, just return true */
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    return true;
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  /* Use find_if instead of foreach so that we can collect return codes */
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  std::vector<plugin::Authorization *>::const_iterator iter=
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    std::find_if(authorization_plugins.begin(),
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                 authorization_plugins.end(),
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                 RestrictDbFunctor(*user_ctx, schema_identifier));
 
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  vector<plugin::Authorization *>::const_iterator iter=
 
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    find_if(authorization_plugins.begin(),
 
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            authorization_plugins.end(),
 
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            RestrictDbFunctor(user_ctx, schema_identifier));
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  /*
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  {
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    if (send_error)
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    {
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      std::string path;
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      schema_identifier.getSQLPath(path);
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      my_error(ER_DBACCESS_DENIED_ERROR, MYF(0),
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               user_ctx->username().c_str(),
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               user_ctx->address().c_str(),
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               path.c_str());
 
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               user_ctx.getUser().c_str(),
 
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               user_ctx.getIp().c_str(),
 
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               schema_identifier.getSQLPath().c_str());
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    }
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    return false;
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  }
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  return true;
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}
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bool plugin::Authorization::isAuthorized(drizzled::identifier::User::const_shared_ptr user_ctx,
 
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bool plugin::Authorization::isAuthorized(const SecurityContext &user_ctx,
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                                         TableIdentifier &table,
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                                         bool send_error)
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{
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    return true;
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  /* Use find_if instead of foreach so that we can collect return codes */
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  std::vector<plugin::Authorization *>::const_iterator iter=
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    std::find_if(authorization_plugins.begin(),
 
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  vector<plugin::Authorization *>::const_iterator iter=
 
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    find_if(authorization_plugins.begin(),
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            authorization_plugins.end(),
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            RestrictTableFunctor(*user_ctx, table));
 
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            RestrictTableFunctor(user_ctx, table));
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  /*
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   * If iter is == end() here, that means that all of the plugins returned
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  {
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    if (send_error)
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    {
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      std::string path;
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      table.getSQLPath(path);
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      my_error(ER_DBACCESS_DENIED_ERROR, MYF(0),
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               user_ctx->username().c_str(),
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               user_ctx->address().c_str(),
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               path.c_str());
 
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               user_ctx.getUser().c_str(),
 
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               user_ctx.getIp().c_str(),
 
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               table.getSQLPath().c_str());
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    }
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    return false;
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  }
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  return true;
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}
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bool plugin::Authorization::isAuthorized(drizzled::identifier::User::const_shared_ptr user_ctx,
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                                         const Session *session,
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                                         bool send_error)
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{
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  return isAuthorized(*user_ctx, session, send_error);
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}
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bool plugin::Authorization::isAuthorized(drizzled::identifier::User::const_reference user_ctx,
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                                         const Session *session,
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                                         bool send_error)
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{
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  drizzled::identifier::User::const_shared_ptr session_ctx= session->user();
 
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bool plugin::Authorization::isAuthorized(const SecurityContext &user_ctx,
 
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                                         const Session *session,
 
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                                         bool send_error)
 
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{
 
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  const SecurityContext &session_ctx= session->getSecurityContext();
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  /* If we never loaded any authorization plugins, just return true */
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  if (authorization_plugins.empty())
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    return true;
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  /* Use find_if instead of foreach so that we can collect return codes */
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  std::vector<plugin::Authorization *>::const_iterator iter=
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    std::find_if(authorization_plugins.begin(),
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                 authorization_plugins.end(),
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                 RestrictProcessFunctor(user_ctx, *session_ctx));
 
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  vector<plugin::Authorization *>::const_iterator iter=
 
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    find_if(authorization_plugins.begin(),
 
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            authorization_plugins.end(),
 
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            RestrictProcessFunctor(user_ctx, session_ctx));
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  /*
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   * If iter is == end() here, that means that all of the plugins returned
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    }
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    return false;
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  }
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  return true;
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}
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void plugin::Authorization::pruneSchemaNames(drizzled::identifier::User::const_shared_ptr user_ctx,
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                                             SchemaIdentifier::vector &set_of_schemas)
 
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void plugin::Authorization::pruneSchemaNames(const SecurityContext &user_ctx,
 
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                                             SchemaIdentifiers &set_of_schemas)
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{
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  /* If we never loaded any authorization plugins, just return true */
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  if (authorization_plugins.empty())
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    return;
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  set_of_schemas.erase(std::remove_if(set_of_schemas.begin(),
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                                      set_of_schemas.end(),
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                                      PruneSchemaFunctor(user_ctx)),
 
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  set_of_schemas.erase(remove_if(set_of_schemas.begin(),
 
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                                 set_of_schemas.end(),
 
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                                 PruneSchemaFunctor(user_ctx)),
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                       set_of_schemas.end());
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}
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