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@@ -0,0 +1,74 @@
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+# - Try to find the PAM libraries
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+# Once done this will define
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+#
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+# PAM_FOUND - system has pam
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+# PAM_INCLUDE_DIR - the pam include directory
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+# PAM_LIBRARIES - libpam library
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+
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+if (PAM_INCLUDE_DIR AND PAM_LIBRARY)
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+ # Already in cache, be silent
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+ set(PAM_FIND_QUIETLY TRUE)
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+endif (PAM_INCLUDE_DIR AND PAM_LIBRARY)
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+
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+find_path(PAM_INCLUDE_DIR NAMES security/pam_appl.h pam/pam_appl.h)
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+find_library(PAM_LIBRARY pam)
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+find_library(DL_LIBRARY dl)
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+
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+if (PAM_INCLUDE_DIR AND PAM_LIBRARY)
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+ set(PAM_FOUND TRUE)
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+ if (DL_LIBRARY)
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+ set(PAM_LIBRARIES ${PAM_LIBRARY} ${DL_LIBRARY})
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+ else (DL_LIBRARY)
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+ set(PAM_LIBRARIES ${PAM_LIBRARY})
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+ endif (DL_LIBRARY)
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+
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+ if (EXISTS ${PAM_INCLUDE_DIR}/pam/pam_appl.h)
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+ # darwin claims to be something special
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+ set(HAVE_PAM_PAM_APPL_H 1)
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+ endif (EXISTS ${PAM_INCLUDE_DIR}/pam/pam_appl.h)
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+
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+ if (NOT DEFINED PAM_MESSAGE_CONST)
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+ include(CheckCXXSourceCompiles)
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+ # XXX does this work with plain c?
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+ check_cxx_source_compiles("
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+#if ${HAVE_PAM_PAM_APPL_H}+0
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+# include <pam/pam_appl.h>
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+#else
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+# include <security/pam_appl.h>
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+#endif
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+
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+static int PAM_conv(
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+ int num_msg,
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+ const struct pam_message **msg, /* this is the culprit */
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+ struct pam_response **resp,
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+ void *ctx)
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+{
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+ return 0;
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+}
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+
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+int main(void)
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+{
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+ struct pam_conv PAM_conversation = {
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+ &PAM_conv, /* this bombs out if the above does not match */
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+ 0
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+ };
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+
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+ return 0;
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+}
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+" PAM_MESSAGE_CONST)
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+ endif (NOT DEFINED PAM_MESSAGE_CONST)
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+ set(PAM_MESSAGE_CONST ${PAM_MESSAGE_CONST} CACHE BOOL "PAM expects a conversation function with const pam_message")
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+
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+endif (PAM_INCLUDE_DIR AND PAM_LIBRARY)
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+
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+if (PAM_FOUND)
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+ if (NOT PAM_FIND_QUIETLY)
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+ message(STATUS "Found PAM: ${PAM_LIBRARIES}")
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+ endif (NOT PAM_FIND_QUIETLY)
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+else (PAM_FOUND)
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+ if (PAM_FIND_REQUIRED)
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+ message(FATAL_ERROR "PAM was not found")
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+ endif(PAM_FIND_REQUIRED)
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+endif (PAM_FOUND)
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+
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+mark_as_advanced(PAM_INCLUDE_DIR PAM_LIBRARY DL_LIBRARY PAM_MESSAGE_CONST)
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