[libmicrohttpd] 06/07: configure: implemented setting DAuth defaults by parameters

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

commit 8d4496944bf0ada2f2fc176e589eb0a921da72d9
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Fri Dec 29 16:54:29 2023 +0300

    configure: implemented setting DAuth defaults by parameters
---
 configure.ac              | 99 +++++++++++++++++++++++++++++++++++++++++++++++
 src/include/mhd_options.h |  7 ++++
 src/microhttpd/daemon.c   |  4 +-
 3 files changed, 108 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 32f038bc..05591770 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4034,6 +4034,104 @@ AS_IF([[test "x$enable_dauth" != "xno"]],
 AM_CONDITIONAL([ENABLE_DAUTH], [test "x$enable_dauth" != "xno"])
 AC_MSG_RESULT([[$enable_dauth]])
 
+AS_VAR_IF([enable_dauth], ["yes"],
+  [
+    AC_MSG_CHECKING([[for Digest Authentication default nonce timeout value]])
+    AC_ARG_ENABLE([dauth-def-timeout],
+      [AS_HELP_STRING([--enable-dauth-def-timeout=NNN],
+                      [set default Digest Auth nonce validity time to NNN 
seconds])],
+      [enable_dauth_def_timeout="${enableval}"],
+      [enable_dauth_def_timeout=""]
+    )
+    AS_VAR_IF([enable_dauth_def_timeout], ["no"],
+      [
+        AC_MSG_WARN([Default Diget Auth nonce validity time cannot be 
disabled, --disable-dauth-def-timeout parameter is ignored])
+        enable_dauth_def_timeout=""
+      ]
+    )
+    AS_IF([test -z "${enable_dauth_def_timeout}"],
+      [
+        enable_dauth_def_timeout="90"
+        enable_dauth_def_timeout_MSG="${enable_dauth_def_timeout} seconds 
(default)"
+      ],
+      [
+        AS_IF([[test "x${enable_dauth_def_timeout}" = "x`echo 
${enable_dauth_def_timeout}|${SED-sed} 's/[^0-9]//g'`" && \
+                test "${enable_dauth_def_timeout}" -ge "0" 2>/dev/null ]],[:],
+          [AC_MSG_ERROR([Invalid parameter 
--enable-dauth-def-timeout=${enable_dauth_def_timeout}. Timeout value must be a 
positive integer.])
+          ]
+        )
+        AC_COMPILE_IFELSE(
+          [
+            AC_LANG_PROGRAM([],
+              [[
+  static int arr[((int) 2) - 4 * (int)(${enable_dauth_def_timeout} != 
((unsigned int)${enable_dauth_def_timeout}))];
+  (void) arr;
+              ]]
+            )
+          ],
+          [],
+          [AC_MSG_ERROR([The value specified by 
--enable-dauth-def-timeout=${enable_dauth_def_timeout} is too large.])]
+        )
+        enable_dauth_def_timeout_MSG="${enable_dauth_def_timeout} seconds (set 
by parameter)"
+      ]
+    )
+    AC_DEFINE_UNQUOTED([MHD_DAUTH_DEF_TIMEOUT_],[${enable_dauth_def_timeout}],
+        [The default HTTP Digest Auth default nonce timeout value (in 
seconds)])
+    AC_MSG_RESULT([[${enable_dauth_def_timeout_MSG}]])
+
+    AC_MSG_CHECKING([[for Digest Authentication default maximum nc value]])
+    AC_ARG_ENABLE([dauth-def-max-nc],
+      [AS_HELP_STRING([--enable-dauth-def-max-nc=NNN],
+                      [set default Digest Auth maximum nc (nonce count) value 
to NNN])],
+      [enable_dauth_def_max_nc="${enableval}"],
+      [enable_dauth_def_max_nc=""]
+    )
+    AS_VAR_IF([enable_dauth_def_max_nc], ["no"],
+      [
+        AC_MSG_WARN([Default Diget Auth maximum nc cannot be disabled, 
--disable-dauth-def-max-nc parameter is ignored])
+        enable_dauth_def_max_nc=""
+      ]
+    )
+    AS_IF([test -z "${enable_dauth_def_max_nc}"],
+      [
+        enable_dauth_def_max_nc="1000"
+        enable_dauth_def_max_nc_MSG="${enable_dauth_def_max_nc} (default)"
+      ],
+      [
+        AS_IF([[test "x${enable_dauth_def_max_nc}" = "x`echo 
${enable_dauth_def_max_nc}|${SED-sed} 's/[^0-9]//g'`" && \
+                test "${enable_dauth_def_max_nc}" -ge "0" 2>/dev/null ]],[:],
+          [AC_MSG_ERROR([Invalid parameter 
--enable-dauth-def-max-nc=${enable_dauth_def_max_nc}. The value must be a 
positive integer.])
+          ]
+        )
+        AC_COMPILE_IFELSE(
+          [
+            AC_LANG_PROGRAM(
+              [[
+#include <stdint.h>
+              ]],
+              [[
+  static int arr[((int) 2) - 4 * (int)(${enable_dauth_def_max_nc} != 
((uint32_t)${enable_dauth_def_max_nc}))];
+  (void) arr;
+              ]]
+            )
+          ],
+          [],
+          [AC_MSG_ERROR([The value specified by 
--enable-dauth-def-max-nc=${enable_dauth_def_max_nc} is too large.])]
+        )
+        enable_dauth_def_max_nc_MSG="${enable_dauth_def_max_nc} (set by 
parameter)"
+      ]
+    )
+    AC_DEFINE_UNQUOTED([MHD_DAUTH_DEF_MAX_NC_],[${enable_dauth_def_max_nc}],
+        [The default HTTP Digest Auth default maximum nc (nonce count) value])
+    AC_MSG_RESULT([[${enable_dauth_def_max_nc_MSG}]])
+
+    dauth_defs_MSG="timeout: ${enable_dauth_def_timeout_MSG}, max nc: 
${enable_dauth_def_max_nc_MSG}"
+  ],
+  [
+    dauth_defs_MSG="N/A"
+  ]
+)
+
 AM_CONDITIONAL([HAVE_ANYAUTH],[test "x$enable_bauth" != "xno" || test 
"x$enable_dauth" != "xno"])
 
 # optional: HTTP "Upgrade" support. Enabled by default
@@ -5964,6 +6062,7 @@ AC_MSG_NOTICE([GNU libmicrohttpd ${PACKAGE_VERSION} 
Configuration Summary:
   HTTP "Upgrade":    ${enable_httpupgrade}
   Basic auth.:       ${enable_bauth}
   Digest auth.:      ${enable_dauth}
+  Digest auth. defaults: ${dauth_defs_MSG}
   MD5:               ${enable_md5_MSG}
   SHA-256:           ${enable_sha256_MSG}
   SHA-512/256:       ${enable_sha512_256_MSG}
diff --git a/src/include/mhd_options.h b/src/include/mhd_options.h
index f5334e1d..39316a28 100644
--- a/src/include/mhd_options.h
+++ b/src/include/mhd_options.h
@@ -278,4 +278,11 @@
 #  endif /* 0 != HAVE_DECL_CPU_SETSIZE */
 #endif /* HAVE_DECL_CPU_SETSIZE */
 
+#ifndef MHD_DAUTH_DEF_TIMEOUT_
+#  define MHD_DAUTH_DEF_TIMEOUT_ 90
+#endif /* ! MHD_DAUTH_DEF_TIMEOUT_ */
+#ifndef MHD_DAUTH_DEF_MAX_NC_
+#  define MHD_DAUTH_DEF_MAX_NC_ 1000
+#endif /* ! MHD_DAUTH_DEF_MAX_NC_ */
+
 #endif /* MHD_OPTIONS_H */
diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c
index f4fd8166..8345c793 100644
--- a/src/microhttpd/daemon.c
+++ b/src/microhttpd/daemon.c
@@ -7808,8 +7808,8 @@ MHD_start_daemon_va (unsigned int flags,
   daemon->digest_auth_rand_size = 0;
   daemon->digest_auth_random = NULL;
   daemon->nonce_nc_size = 4; /* tiny */
-  daemon->dauth_def_nonce_timeout = 90;
-  daemon->dauth_def_max_nc = 1000;
+  daemon->dauth_def_nonce_timeout = MHD_DAUTH_DEF_TIMEOUT_;
+  daemon->dauth_def_max_nc = MHD_DAUTH_DEF_MAX_NC_;
 #endif
 #ifdef HTTPS_SUPPORT
   if (0 != (*pflags & MHD_USE_TLS))

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