Plugin cannot install/initialize due to `OSError: dlopen(libcrypto.dylib)`

[notEthan]

Bug description

DeACSM is failing to install due to failing to dlopen libcrypto. The relevant error appears to be: OSError: dlopen(/usr/local/lib/libcrypto.dylib, 0x0006): tried: '/usr/local/lib/libcrypto.dylib' (code signature in <1FCD44A2-E972-3D3D-95D1-4B7BF8459E95> '/usr/local/Cellar/openssl@3/3.1.2/lib/libcrypto.3.dylib' not valid for use in process: mapped file has no cdhash, completely unsigned? Code has to be at least ad-hoc signed.) Full trace is below.

I had Calibre successfully importing acsm previously, though I had both this and DeDRM installed and I don't recall which I actually had doing the import decryption. Something changed since my last successful import a couple months ago - possibly because I upgraded from macOS 12 (Monterey) to 13 (Ventura), not sure.

/usr/local/lib/libcrypto.dylib is a symlink to /usr/local/Cellar/openssl@3/3.1.2/lib/libcrypto.3.dylib, installed by Homebrew (and freshly upgraded from 3.1.1 to see if that would fix this problem). Homebrew seems to not sign this; I tried signing it ad-hoc with codesign --sign - /usr/local/lib/libcrypto.dylib but it just changed the error message to not valid for use in process: mapped file has no Team ID and is not a platform binary (signed with custom identity or adhoc?)

I'm not sure if the right place for this issue is here, or with the Python oscrypto lib, or with Homebrew. I also see somebody on MobileRead encountering the same issue: https://www.mobileread.com/forums/showthread.php?p=4341213

Full trace:

``` calibre 6.22 embedded-python: True macOS-13.5.1-x86_64-i386-64bit Darwin ('64bit', '') ('Darwin', '22.6.0', 'Darwin Kernel Version 22.6.0: Wed Jul 5 22:21:56 PDT 2023; root:xnu-8796.141.3~6/RELEASE_X86_64') Python 3.10.1 OSX: ('13.5.1', ('', '', ''), 'x86_64') Interface language: None Successfully initialized third party plugins: DeDRM (10, 0, 3) QPA platform: cocoa Starting QuickView 2023-08-21 13:44:58.206 calibre-debug[26453:2678849] +[CATransaction synchronize] called within transaction 2023-08-21 13:44:58.395 calibre-debug[26453:2678849] +[CATransaction synchronize] called within transaction Traceback (most recent call last): File "calibre_plugins.deacsm.__init__", line 226, in initialize from libadobe import createDeviceKeyFile, update_account_path, sendHTTPRequest File "/Users/ethan/in/firefox/DeACSM_0.0.16.zip/libadobe.py", line 59, in from oscrypto import keys File "/Users/ethan/Library/Preferences/calibre/plugins/DeACSM/modules/oscrypto/oscrypto/keys.py", line 5, in from ._asymmetric import parse_certificate, parse_private, parse_public File "/Users/ethan/Library/Preferences/calibre/plugins/DeACSM/modules/oscrypto/oscrypto/_asymmetric.py", line 27, in from .kdf import pbkdf1, pbkdf2, pkcs12_kdf File "/Users/ethan/Library/Preferences/calibre/plugins/DeACSM/modules/oscrypto/oscrypto/kdf.py", line 9, in from .util import rand_bytes File "/Users/ethan/Library/Preferences/calibre/plugins/DeACSM/modules/oscrypto/oscrypto/util.py", line 10, in from ._mac.util import rand_bytes File "/Users/ethan/Library/Preferences/calibre/plugins/DeACSM/modules/oscrypto/oscrypto/_mac/util.py", line 208, in from .._openssl._libcrypto import libcrypto File "/Users/ethan/Library/Preferences/calibre/plugins/DeACSM/modules/oscrypto/oscrypto/_openssl/_libcrypto.py", line 24, in from ._libcrypto_ctypes import ( File "/Users/ethan/Library/Preferences/calibre/plugins/DeACSM/modules/oscrypto/oscrypto/_openssl/_libcrypto_ctypes.py", line 30, in libcrypto = CDLL(libcrypto_path, use_errno=True) File "ctypes/__init__.py", line 374, in __init__ OSError: dlopen(/usr/local/lib/libcrypto.dylib, 0x0006): tried: '/usr/local/lib/libcrypto.dylib' (code signature in <1FCD44A2-E972-3D3D-95D1-4B7BF8459E95> '/usr/local/Cellar/openssl@3/3.1.2/lib/libcrypto.3.dylib' not valid for use in process: mapped file has no cdhash, completely unsigned? Code has to be at least ad-hoc signed.), '/System/Volumes/Preboot/Cryptexes/OS/usr/local/lib/libcrypto.dylib' (no such file), '/usr/local/lib/libcrypto.dylib' (code signature in <1FCD44A2-E972-3D3D-95D1-4B7BF8459E95> '/usr/local/Cellar/openssl@3/3.1.2/lib/libcrypto.3.dylib' not valid for use in process: mapped file has no cdhash, completely unsigned? Code has to be at least ad-hoc signed.), '/usr/local/Cellar/openssl@3/3.1.2/lib/libcrypto.3.dylib' (code signature in <1FCD44A2-E972-3D3D-95D1-4B7BF8459E95> '/usr/local/Cellar/openssl@3/3.1.2/lib/libcrypto.3.dylib' not valid for use in process: mapped file has no cdhash, completely unsigned? Code has to be at least ad-hoc signed.), '/System/Volumes/Preboot/Cryptexes/OS/usr/local/Cellar/openssl@3/3.1.2/lib/libcrypto.3.dylib' (no such file), '/usr/local/Cellar/openssl@3/3.1.2/lib/libcrypto.3.dylib' (code signature in <1FCD44A2-E972-3D3D-95D1-4B7BF8459E95> '/usr/local/Cellar/openssl@3/3.1.2/lib/libcrypto.3.dylib' not valid for use in process: mapped file has no cdhash, completely unsigned? Code has to be at least ad-hoc signed.) ```

Operating system

MacOS

Which version of Calibre are you running?

6.22.0

Which version of the ACSM Input plugin are you running?

v0.0.16

Import type

No response

Further information

No response

[ZolaLa9]

FWIW, I have been running v0.0.16 with macOS Ventura, so the problem does not appear to be an incompatibility with Ventura.

[Leseratte10]

I've never used a Mac so I can't really debug these issues. On Mobileread the same user reported that unlinking openssl helped - brew unlink openssl@3. Or try to remove openssl and reinstall it to see if that fixes stuff, maybe there's some remains from the MacOS 12 version.

[notEthan]

Thank you, brew unlink openssl@3 was all I needed. I somehow missed the posts following up on the one I linked on MobileRead that suggested this solution. ACSMs are importing again, thank you for your response and for this excellent plugin.