GUACAMOLE-2064: Add interactive database terminal protocols

Dockerfile

@@ -21,9 +21,11 @@
 # Dockerfile for guacamole-server
 #
 
-# The Alpine Linux image that should be used as the basis for the guacd image
-# NOTE: Using 3.18 because the required openssl1.1-compat-dev package was
-# removed in more recent versions.
+# The Alpine Linux image that should be used as the basis for the guacd image.
+# NOTE: still pinned to 3.18. Moving to a newer base is a separate, larger
+# change (newer Alpine renames packages such as webkit2gtk and ships a CMake
+# that rejects the older cmake_minimum_required used by some bundled dependency
+# sources), and is out of scope for database protocol support.
 ARG ALPINE_BASE_IMAGE=3.18
 
 # The target architecture of the build. Valid values are "ARM" and "X86". By
@@ -161,7 +163,10 @@ ARG LIBWEBSOCKETS_X86_OPTS=""
 FROM alpine:${ALPINE_BASE_IMAGE} AS builder
 ARG BUILD_DIR
 
-# Install build dependencies
+# Install build dependencies. openssl-dev (OpenSSL 3) replaces the older
+# openssl1.1-compat-dev previously used here: the database client libraries
+# require it, and the VNC/OpenSSL 3 incompatibility that originally required
+# OpenSSL 1.1 (GUACAMOLE-1741) was fixed upstream in LibVNCServer 0.9.15.
 RUN apk add --no-cache                \
         autoconf                      \
         automake                      \
@@ -170,15 +175,19 @@ RUN apk add --no-cache                \
         cjson-dev                     \
         cmake                         \
         cunit-dev                     \
+        freetds-dev                   \
         git                           \
         grep                          \
         krb5-dev                      \
         libjpeg-turbo-dev             \
         libpng-dev                    \
+        libpq-dev                     \
         libtool                       \
         libwebp-dev                   \
         make                          \
-        openssl1.1-compat-dev         \
+        mariadb-connector-c-dev       \
+        mongo-c-driver-dev            \
+        openssl-dev                   \
         pango-dev                     \
         pulseaudio-dev                \
         sdl2-dev                      \

Makefile.am

@@ -30,12 +30,18 @@ DIST_SUBDIRS =               \
     src/libguac              \
     src/common               \
     src/common-ssh           \
+    src/dbshell              \
     src/terminal             \
     src/guacd                \
     src/guacenc              \
     src/guaclog              \
     src/pulse                \
     src/protocols/kubernetes \
+    src/protocols/mongodb    \
+    src/protocols/mssql      \
+    src/protocols/mysql      \
+    src/protocols/oracle     \
+    src/protocols/postgresql \
     src/protocols/rdp        \
     src/protocols/ssh        \
     src/protocols/telnet     \
@@ -53,6 +59,10 @@ if ENABLE_TERMINAL
 SUBDIRS += src/terminal
 endif
 
+if ENABLE_DBSHELL
+SUBDIRS += src/dbshell
+endif
+
 if ENABLE_PULSE
 SUBDIRS += src/pulse
 endif
@@ -61,6 +71,26 @@ if ENABLE_KUBERNETES
 SUBDIRS += src/protocols/kubernetes
 endif
 
+if ENABLE_MONGODB
+SUBDIRS += src/protocols/mongodb
+endif
+
+if ENABLE_MSSQL
+SUBDIRS += src/protocols/mssql
+endif
+
+if ENABLE_MYSQL
+SUBDIRS += src/protocols/mysql
+endif
+
+if ENABLE_ORACLE
+SUBDIRS += src/protocols/oracle
+endif
+
+if ENABLE_POSTGRESQL
+SUBDIRS += src/protocols/postgresql
+endif
+
 if ENABLE_RDP
 SUBDIRS += src/protocols/rdp
 endif