disable unused protocols

Disable the protocols that need 3rd party dependencies to get added to
the build and therefore do not work in the current build.

Fixes #96

.github/workflows/ci.yml

@@ -52,13 +52,9 @@ jobs:
           - curl_fuzzer_http
           - curl_fuzzer_https
           - curl_fuzzer_imap
-          - curl_fuzzer_ldap
           - curl_fuzzer_mqtt
           - curl_fuzzer_pop3
-          - curl_fuzzer_rtmp
           - curl_fuzzer_rtsp
-          - curl_fuzzer_scp
-          - curl_fuzzer_sftp
           - curl_fuzzer_smb
           - curl_fuzzer_smtp
           - curl_fuzzer_tftp

Makefile.am

@@ -43,19 +43,22 @@ FUZZPROGS = curl_fuzzer \
  curl_fuzzer_http \
  curl_fuzzer_https \
  curl_fuzzer_imap \
- curl_fuzzer_ldap \
  curl_fuzzer_mqtt \
  curl_fuzzer_pop3 \
- curl_fuzzer_rtmp \
  curl_fuzzer_rtsp \
- curl_fuzzer_scp \
- curl_fuzzer_sftp \
  curl_fuzzer_smb \
  curl_fuzzer_smtp \
  curl_fuzzer_ws \
  curl_fuzzer_tftp \
  fuzz_url
 
+# need external libs:
+# curl_fuzzer_ldap \
+# curl_fuzzer_rtmp \
+# curl_fuzzer_scp \
+# curl_fuzzer_sftp \
+
+
 FUZZLIBS = libstandaloneengine.a
 
 COMMON_SOURCES = curl_fuzzer.cc curl_fuzzer_tlv.cc curl_fuzzer_callback.cc
@@ -92,27 +95,15 @@ curl_fuzzer_https_LDADD = $(COMMON_LDADD)
 curl_fuzzer_imap_SOURCES = $(COMMON_SOURCES)
 curl_fuzzer_imap_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_IMAP
 curl_fuzzer_imap_LDADD = $(COMMON_LDADD)
-curl_fuzzer_ldap_SOURCES = $(COMMON_SOURCES)
-curl_fuzzer_ldap_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_LDAP
-curl_fuzzer_ldap_LDADD = $(COMMON_LDADD)
 curl_fuzzer_mqtt_SOURCES = $(COMMON_SOURCES)
 curl_fuzzer_mqtt_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_MQTT
 curl_fuzzer_mqtt_LDADD = $(COMMON_LDADD)
 curl_fuzzer_pop3_SOURCES = $(COMMON_SOURCES)
 curl_fuzzer_pop3_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_POP3
 curl_fuzzer_pop3_LDADD = $(COMMON_LDADD)
-curl_fuzzer_rtmp_SOURCES = $(COMMON_SOURCES)
-curl_fuzzer_rtmp_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_RTMP
-curl_fuzzer_rtmp_LDADD = $(COMMON_LDADD)
 curl_fuzzer_rtsp_SOURCES = $(COMMON_SOURCES)
 curl_fuzzer_rtsp_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_RTSP
 curl_fuzzer_rtsp_LDADD = $(COMMON_LDADD)
-curl_fuzzer_scp_SOURCES = $(COMMON_SOURCES)
-curl_fuzzer_scp_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_SCP
-curl_fuzzer_scp_LDADD = $(COMMON_LDADD)
-curl_fuzzer_sftp_SOURCES = $(COMMON_SOURCES)
-curl_fuzzer_sftp_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_SFTP
-curl_fuzzer_sftp_LDADD = $(COMMON_LDADD)
 curl_fuzzer_smb_SOURCES = $(COMMON_SOURCES)
 curl_fuzzer_smb_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_SMB
 curl_fuzzer_smb_LDADD = $(COMMON_LDADD)
@@ -126,6 +117,19 @@ curl_fuzzer_ws_SOURCES = $(COMMON_SOURCES)
 curl_fuzzer_ws_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_WS
 curl_fuzzer_ws_LDADD = $(COMMON_LDADD)
 
+#curl_fuzzer_rtmp_SOURCES = $(COMMON_SOURCES)
+#curl_fuzzer_rtmp_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_RTMP
+#curl_fuzzer_rtmp_LDADD = $(COMMON_LDADD)
+#curl_fuzzer_ldap_SOURCES = $(COMMON_SOURCES)
+#curl_fuzzer_ldap_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_LDAP
+#curl_fuzzer_ldap_LDADD = $(COMMON_LDADD)
+#curl_fuzzer_scp_SOURCES = $(COMMON_SOURCES)
+#curl_fuzzer_scp_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_SCP
+#curl_fuzzer_scp_LDADD = $(COMMON_LDADD)
+#curl_fuzzer_sftp_SOURCES = $(COMMON_SOURCES)
+#curl_fuzzer_sftp_CXXFLAGS = $(COMMON_FLAGS) -DFUZZ_PROTOCOLS_SFTP
+#curl_fuzzer_sftp_LDADD = $(COMMON_LDADD)
+
 fuzz_url_SOURCES = fuzz_url.cc
 fuzz_url_CXXFLAGS = $(COMMON_FLAGS)
 fuzz_url_LDADD = $(COMMON_LDADD)

curl_fuzzer.cc

@@ -511,8 +511,8 @@ int fuzz_set_allowed_protocols(FUZZ_DATA *fuzz)
   /* Do not allow telnet currently as it accepts input from stdin. */
   allowed_protocols =
     "dict,file,ftp,ftps,gopher,gophers,http,https,imap,imaps,"
-    "ldap,ldaps,mqtt,pop3,pop3s,rtmp,rtmpe,rtmps,rtmpt,rtmpte,rtmpts,"
-    "rtsp,scp,sftp,smb,smbs,smtp,smtps,tftp";
+    "mqtt,pop3,pop3s,"
+    "rtsp,smb,smbs,smtp,smtps,tftp";
 #endif
 #ifdef FUZZ_PROTOCOLS_DICT
   allowed_protocols = "dict";