Type(s) not resolved during make

[jferch]

Hi everyone,

I'm trying to build the connector on an arch linux machine and get the following error during compilation. The headers are found during configure ("checking for modsecurity/modsecurity.h... yes")?? Can you give me a hint on what I'm doing wrong here or might have missed? Thanks in advance!

` ~/aur/modsecurity_apache % >> ./autogen.sh configure.ac:10: installing './compile' configure.ac:8: installing './install-sh' configure.ac:8: installing './missing' ~/aur/modsecurity_apache % >> ./configure --with-libmodsecurity=/usr/local/modsecurity/ checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /usr/bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes configure: looking for Apache module support via DSO through APXS configure: found APXS at /usr/sbin/apxs checking whether make supports the include directive... yes (GNU style) checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking whether gcc understands -c and -o together... yes checking dependency style of gcc... none checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes configure: looking for libmodsecurity checking for msc_init in -lmodsecurity... yes checking modsecurity/modsecurity.h usability... yes checking modsecurity/modsecurity.h presence... yes checking for modsecurity/modsecurity.h... yes checking if apache is wanted... yes checking for httpd... /usr/bin/httpd checking apache modules... in /etc/httpd/modules checking for perl... /usr/bin/perl Found Apache with MPM prefork, . ./configure: line 4549: [: ==: unary operator expected ./configure: line 4552: [: ==: unary operator expected checking for gcc... (cached) gcc checking whether we are using the GNU C compiler... (cached) yes checking whether gcc accepts -g... (cached) yes checking for gcc option to accept ISO C89... (cached) none needed checking whether gcc understands -c and -o together... (cached) yes checking dependency style of gcc... (cached) none checking that generated files are newer than configure... done configure: creating ./config.status config.status: creating Makefile config.status: creating build/apxs-wrapper config.status: creating tests/regression/server_root/conf/httpd.conf config.status: creating tests/regression/misc/40-secRemoteRules.t config.status: creating tests/regression/misc/60-pmfromfile-external.t config.status: creating tests/regression/misc/50-ipmatchfromfile-external.t config.status: creating tests/run-regression-tests.pl config.status: executing depfiles commands ~/aur/modsecurity_apache % >> make chmod +x build/apxs-wrapper build/apxs-wrapper /usr/share/apr-1/build/libtool --silent --mode=compile gcc -prefer-pic -march=x86-64 -mtune=generic -O2 -pipe -fno-plt -DLINUX -D_REENTRANT -D_GNU_SOURCE -pthread -I/usr/include/httpd -I/usr/include/apr-1 -I/usr/include/apr-1 -I/usr/include -fPIC -O0 -I/usr/local/modsecurity//include/ -c -o src/mod_security3.lo src/mod_security3.c && touch src/mod_security3.slo In file included from src/msc_filters.h:17, from src/mod_security3.h:27, from src/mod_security3.c:4: src/mod_security3.h:49:5: error: unknown type name ‘Rules’ 49 | Rules rules_set; | ^~~~~ src/mod_security3.c: In function ‘create_tx_context’: src/mod_security3.c:151:14: error: ‘Rules’ undeclared (first use in this function); did you mean ‘Rules_t’? 151 | (Rules )z->rules_set, unique_id, (void )r); | ^~~~~ | Rules_t src/mod_security3.c:151:14: note: each undeclared identifier is reported only once for each function it appears in src/mod_security3.c:151:21: error: expected expression before ‘)’ token 151 | (Rules )z->rules_set, unique_id, (void )r); | ^ src/mod_security3.c:150:18: error: too few arguments to function ‘msc_new_transaction_with_id’ 150 | msr->t = msc_new_transaction_with_id(msc_apache->modsec, | ^~~~~~~ In file included from /usr/local/modsecurity//include/modsecurity/modsecurity.h:175, from src/mod_security3.h:5, from src/mod_security3.c:4: /usr/local/modsecurity//include/modsecurity/transaction.h:610:14: note: declared here 610 | Transaction msc_new_transaction_with_id(ModSecurity ms, | ^~~~~~~ src/mod_security3.c:154:21: error: expected expression before ‘)’ token 154 | (Rules )z->rules_set, (void )r); | ^ src/mod_security3.c:153:18: error: too few arguments to function ‘msc_new_transaction’ 153 | msr->t = msc_new_transaction(msc_apache->modsec, | ^~~~~~~ In file included from /usr/local/modsecurity//include/modsecurity/modsecurity.h:175, from src/mod_security3.h:5, from src/mod_security3.c:4: /usr/local/modsecurity//include/modsecurity/transaction.h:606:14: note: declared here 606 | Transaction msc_new_transaction(ModSecurity *ms, | ^~~~~~~ apxs:Error: Command failed with rc=65536 . make: *** [Makefile:638: all] Error 1

`

[zimmerle]

Hi @jferch,

Did you have the chance to install libModSecurity on your box?

[dotiq]

@zimmerle, I'm experiencing the same issue on a clean CentOS 7.7 build. I did initially have the libmodsecurity package installed via EPEL, but removed it before compiling everything.

libmodsecurity did compile without any errors, just can't get the Apache connector to compile.

[gthuo]

Same issue here. libmodsecurity compiled well. But the Apache connector throws errors src/mod_security3.h:49:5: error: unknown type name 'Rules' Rules *rules_set; ^ I have tried this on 3 CentOS boxes, and no success yet. Someone please help.

[jferch]

@zimmerle, thanks for the reply. Yes, libmodsecurity could be built without trouble on my machine.

[zimmerle]

The Apache connector is not in sync with v3/master for libModSecurity. Try to use a release tag instead. - https://github.com/SpiderLabs/ModSecurity/releases/tag/v3.0.4

[dotiq]

Time to show off my newbie hat. I looked at that link, but I don't see any Apache connector related source code. What am I missing?

[zimmerle]

Time to show off my newbie hat. I looked at that link, but I don't see any Apache connector related source code. What am I missing?

Apache connector depends on libModSecurity to work. libModSecurity needs to be fully installed on your system. The code from v3/master is on a stage that it is not compatible with the current version of the Apache connector. You need to install the version 3.0.4 in order to get it working.