Fix Java wrapper on Unix (append 'lib' prefix to library)

3 files changed, 33 insertions, 13 deletions

diff --git a/exports/Makefile b/exports/Makefile
index fdedba2..801692b 100644
--- a/exports/Makefile
+++ b/exports/Makefile
@@ -1,17 +1,22 @@
 .PHONY: build clean
 
+lib_prefix_linux   = lib
+lib_prefix_windows =
+lib_prefix_darwin  = lib
+
 lib_suffix_linux   = .so
 lib_suffix_windows = .dll
 lib_suffix_darwin  = .dylib
 
 GOOS      ?= $(shell go env GOHOSTOS)
 GOARCH    ?= $(shell go env GOHOSTARCH)
+LIB_PREFIX = $(lib_prefix_$(GOOS))
 LIB_SUFFIX = $(lib_suffix_$(GOOS))
 
 # Creates targets like 'linux/amd64/eduvpn_verify.so'
-build: $(GOOS)/$(GOARCH)/eduvpn_verify$(LIB_SUFFIX)
+build: $(GOOS)/$(GOARCH)/$(LIB_PREFIX)eduvpn_verify$(LIB_SUFFIX)
 
-$(GOOS)/$(GOARCH)/eduvpn_verify$(LIB_SUFFIX): exports.go ../verify.go
+$(GOOS)/$(GOARCH)/$(LIB_PREFIX)eduvpn_verify$(LIB_SUFFIX): exports.go ../verify.go
 	CGO_ENABLED=1 GOOS=$(GOOS) GOARCH=$(GOARCH) go build -o $@ -buildmode=c-shared $<
 
 clean:
diff --git a/wrappers/csharp/EduVpnCommon.csproj b/wrappers/csharp/EduVpnCommon.csproj
index 04df7f0..4643da2 100644
--- a/wrappers/csharp/EduVpnCommon.csproj
+++ b/wrappers/csharp/EduVpnCommon.csproj
@@ -24,15 +24,20 @@
 				Or Exists('../../exports/windows/386/eduvpn_verify.dll')
 				Or Exists('../../exports/windows/arm/eduvpn_verify.dll')
 				Or Exists('../../exports/windows/arm64/eduvpn_verify.dll')
-				Or Exists('../../exports/linux/amd64/eduvpn_verify.so')
-				Or Exists('../../exports/linux/arm/eduvpn_verify.so')
-				Or Exists('../../exports/linux/arm64/eduvpn_verify.so'))">
+				Or Exists('../../exports/linux/amd64/libeduvpn_verify.so')
+				Or Exists('../../exports/linux/arm/libeduvpn_verify.so')
+				Or Exists('../../exports/linux/arm64/libeduvpn_verify.so'))">
 		<Message Text="Shared eduvpn_verify library not found, you should build that one first" Importance="high" />
 	</Target>
 
 	<ItemGroup>
 		<None Remove="EduVpnCommonTests/**" />
-		
+
+		<!--
+			See https://docs.microsoft.com/en-us/nuget/create-packages/supporting-multiple-target-frameworks#architecture-specific-folders
+			and https://docs.microsoft.com/en-us/dotnet/core/rid-catalog
+		-->
+
 		<None Condition="Exists('../../exports/windows/amd64/eduvpn_verify.dll')"
 		      Include="../../exports/windows/amd64/eduvpn_verify.dll" Pack="true" PackagePath="runtimes/win-x64/native/">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
@@ -49,16 +54,17 @@
 		      Include="../../exports/windows/arm64/eduvpn_verify.dll" Pack="true" PackagePath="runtimes/win-arm64/native/">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>
-		<None Condition="Exists('../../exports/linux/amd64/eduvpn_verify.so')"
-		      Include="../../exports/linux/amd64/eduvpn_verify.so" Pack="true" PackagePath="runtimes/linux-x64/native/">
+
+		<None Condition="Exists('../../exports/linux/amd64/libeduvpn_verify.so')"
+		      Include="../../exports/linux/amd64/libeduvpn_verify.so" Pack="true" PackagePath="runtimes/linux-x64/native/">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>
-		<None Condition="Exists('../../exports/linux/arm/eduvpn_verify.so')"
-		      Include="../../exports/linux/arm/eduvpn_verify.so" Pack="true" PackagePath="runtimes/linux-arm/native/">
+		<None Condition="Exists('../../exports/linux/arm/libeduvpn_verify.so')"
+		      Include="../../exports/linux/arm/libeduvpn_verify.so" Pack="true" PackagePath="runtimes/linux-arm/native/">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>
-		<None Condition="Exists('../../exports/linux/arm64/eduvpn_verify.so')"
-		      Include="../../exports/linux/arm64/eduvpn_verify.so" Pack="true" PackagePath="runtimes/linux-arm64/native/">
+		<None Condition="Exists('../../exports/linux/arm64/libeduvpn_verify.so')"
+		      Include="../../exports/linux/arm64/libeduvpn_verify.so" Pack="true" PackagePath="runtimes/linux-arm64/native/">
 			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
 		</None>
 	</ItemGroup>
diff --git a/wrappers/python/discovery.py b/wrappers/python/discovery.py
index 21118a9..b22c82e 100644
--- a/wrappers/python/discovery.py
+++ b/wrappers/python/discovery.py
@@ -2,6 +2,14 @@ import platform
 from ctypes import *
 from enum import Enum
 
+# TODO OpenBSD?
+
+_lib_prefixes = {
+    "windows": "",
+    "linux": "lib",
+    "darwin": "lib",
+}
+
 _lib_suffixes = {
     "windows": ".dll",
     "linux": ".so",
@@ -26,7 +34,7 @@ _arch = \
 
 _os = platform.system().lower()
 
-_lib = cdll.LoadLibrary(f"../../exports/{_os}/{_arch}/eduvpn_verify{_lib_suffixes[_os]}")
+_lib = cdll.LoadLibrary(f"../../exports/{_os}/{_arch}/{_lib_prefixes[_os]}eduvpn_verify{_lib_suffixes[_os]}")
 
 
 class GoSlice(Structure):
@@ -74,6 +82,7 @@ def verify(signature: bytes, signed_json: bytes, expected_file_name: str, min_si
     """
     Verifies the signature on the JSON server_list.json/organization_list.json file.
     If the function returns the signature is valid for the given file type.
+
     :param signature: .minisig signature file contents.
     :param signed_json: Signed .json file contents.
     :param expected_file_name: The file type to be verified, one of "server_list.json" or "organization_list.json".