diff options
Diffstat (limited to 'src/preload.c')
-rw-r--r-- | src/preload.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/preload.c b/src/preload.c new file mode 100644 index 0000000..250ee7e --- /dev/null +++ b/src/preload.c @@ -0,0 +1,77 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2010, 2011, 2013 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#ifdef HAVE_GSS_KRB5_CCACHE_NAME +# if defined(HAVE_GSSAPI_GSSAPI_KRB5_H) +# include <gssapi/gssapi.h> +# include <gssapi/gssapi_krb5.h> +# elif defined(HAVE_GSSAPI_GSSAPI_H) +# include <gssapi/gssapi.h> +# else +# include <gssapi.h> +# endif +#endif + +#include "sudo_plugin.h" +#include "sudo_compat.h" +#include "sudo_dso.h" + +#ifdef STATIC_SUDOERS_PLUGIN + +extern struct policy_plugin sudoers_policy; +extern struct io_plugin sudoers_io; +extern struct io_plugin sudoers_audit; + +static struct sudo_preload_symbol sudo_rtld_default_symbols[] = { +# ifdef HAVE_GSS_KRB5_CCACHE_NAME + { "gss_krb5_ccache_name", (void *)&gss_krb5_ccache_name}, +# endif + { (const char *)0, (void *)0 } +}; + +/* XXX - can we autogenerate these? */ +static struct sudo_preload_symbol sudo_sudoers_plugin_symbols[] = { + { "sudoers_policy", (void *)&sudoers_policy }, + { "sudoers_io", (void *)&sudoers_io }, + { "sudoers_audit", (void *)&sudoers_audit }, + { (const char *)0, (void *)0 } +}; + +/* + * Statically compiled symbols indexed by handle. + */ +static struct sudo_preload_table sudo_preload_table[] = { + { (char *)0, SUDO_DSO_DEFAULT, sudo_rtld_default_symbols }, + { "sudoers.so", &sudo_sudoers_plugin_symbols, sudo_sudoers_plugin_symbols }, + { (char *)0, (void *)0, (struct sudo_preload_symbol *)0 } +}; + +void +preload_static_symbols(void) +{ + sudo_dso_preload_table(sudo_preload_table); +} + +#endif /* STATIC_SUDOERS_PLUGIN */ |