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Estoy tratando de averiguar si se puede confiar en una aplicación que instalé, según el siguiente resultado. ¡Espero que esta sea la plataforma correcta para obtener algunos consejos sobre el tema!
Instalé este paquete (pdfc-gui) deaquícon:
sudo dpkg -i pdfc-gui-21.4.225.deb
y en la instalación veo que agrega/actualiza certificados SSL (consulte el resultado de instalación a continuación).
Desafortunadamente, no entiendo Linux lo suficientemente bien como para estar seguro de si esto es algo de lo que debería preocuparme.
¿Alguien puede explicarme este resultado?
¿Debo eliminar el paquete y, de ser así, cómo estar seguro de que todos los cambios que realizó realmente se revertirán?
sudo dpkg -i pdfc-gui-21.4.225.deb
Selecting previously unselected package pdfc-gui.
(Reading database ... 734495 files and directories currently installed.)
Preparing to unpack pdfc-gui-21.4.225.deb ...
Unpacking pdfc-gui (21.4.225) ...
Setting up pdfc-gui (21.4.225) ...
Clearing symlinks in /etc/ssl/certs...
done.
Updating certificates in /etc/ssl/certs...
129 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...
Replacing debian:ACCVRAIZ1.pem
Replacing debian:Actalis_Authentication_Root_CA.pem
Replacing debian:AffirmTrust_Commercial.pem
Replacing debian:AffirmTrust_Networking.pem
Replacing debian:AffirmTrust_Premium.pem
Replacing debian:AffirmTrust_Premium_ECC.pem
Replacing debian:Atos_TrustedRoot_2011.pem
Replacing debian:Autoridad_de_Certificacion_Firmaprofesional_CIF_A62634068.pem
Replacing debian:Baltimore_CyberTrust_Root.pem
Replacing debian:Buypass_Class_2_Root_CA.pem
Replacing debian:Buypass_Class_3_Root_CA.pem
Replacing debian:CA_Disig_Root_R2.pem
Replacing debian:CFCA_EV_ROOT.pem
Replacing debian:COMODO_Certification_Authority.pem
Replacing debian:COMODO_ECC_Certification_Authority.pem
Replacing debian:COMODO_RSA_Certification_Authority.pem
Replacing debian:Certigna.pem
Replacing debian:Certum_Trusted_Network_CA.pem
Replacing debian:Chambers_of_Commerce_Root_-_2008.pem
Replacing debian:Comodo_AAA_Services_root.pem
Replacing debian:Cybertrust_Global_Root.pem
Replacing debian:D-TRUST_Root_Class_3_CA_2_2009.pem
Replacing debian:D-TRUST_Root_Class_3_CA_2_EV_2009.pem
Replacing debian:DST_Root_CA_X3.pem
Replacing debian:DigiCert_Assured_ID_Root_CA.pem
Replacing debian:DigiCert_Assured_ID_Root_G2.pem
Replacing debian:DigiCert_Assured_ID_Root_G3.pem
Replacing debian:DigiCert_Global_Root_CA.pem
Replacing debian:DigiCert_Global_Root_G2.pem
Replacing debian:DigiCert_Global_Root_G3.pem
Replacing debian:DigiCert_High_Assurance_EV_Root_CA.pem
Replacing debian:DigiCert_Trusted_Root_G4.pem
Replacing debian:E-Tugra_Certification_Authority.pem
Replacing debian:EC-ACC.pem
Replacing debian:Entrust.net_Premium_2048_Secure_Server_CA.pem
Replacing debian:Entrust_Root_Certification_Authority.pem
Replacing debian:Entrust_Root_Certification_Authority_-_EC1.pem
Replacing debian:Entrust_Root_Certification_Authority_-_G2.pem
Replacing debian:GeoTrust_Primary_Certification_Authority_-_G2.pem
Replacing debian:GlobalSign_ECC_Root_CA_-_R4.pem
Replacing debian:GlobalSign_ECC_Root_CA_-_R5.pem
Replacing debian:GlobalSign_Root_CA.pem
Replacing debian:GlobalSign_Root_CA_-_R2.pem
Replacing debian:GlobalSign_Root_CA_-_R3.pem
Replacing debian:Global_Chambersign_Root_-_2008.pem
Replacing debian:Go_Daddy_Class_2_CA.pem
Replacing debian:Go_Daddy_Root_Certificate_Authority_-_G2.pem
Replacing debian:Hellenic_Academic_and_Research_Institutions_RootCA_2011.pem
Replacing debian:Hongkong_Post_Root_CA_1.pem
Replacing debian:IdenTrust_Commercial_Root_CA_1.pem
Replacing debian:IdenTrust_Public_Sector_Root_CA_1.pem
Replacing debian:Izenpe.com.pem
Replacing debian:Microsec_e-Szigno_Root_CA_2009.pem
Replacing debian:NetLock_Arany_=Class_Gold=_Főtanúsítvány.pem
Replacing debian:Network_Solutions_Certificate_Authority.pem
Replacing debian:OISTE_WISeKey_Global_Root_GB_CA.pem
Replacing debian:QuoVadis_Root_CA.pem
Replacing debian:QuoVadis_Root_CA_1_G3.pem
Replacing debian:QuoVadis_Root_CA_2.pem
Replacing debian:QuoVadis_Root_CA_2_G3.pem
Replacing debian:QuoVadis_Root_CA_3.pem
Replacing debian:QuoVadis_Root_CA_3_G3.pem
Replacing debian:SecureSign_RootCA11.pem
Replacing debian:SecureTrust_CA.pem
Replacing debian:Secure_Global_CA.pem
Replacing debian:Security_Communication_RootCA2.pem
Replacing debian:Security_Communication_Root_CA.pem
Replacing debian:Sonera_Class_2_Root_CA.pem
Replacing debian:Staat_der_Nederlanden_EV_Root_CA.pem
Replacing debian:Staat_der_Nederlanden_Root_CA_-_G3.pem
Replacing debian:Starfield_Class_2_CA.pem
Replacing debian:Starfield_Root_Certificate_Authority_-_G2.pem
Replacing debian:Starfield_Services_Root_Certificate_Authority_-_G2.pem
Replacing debian:SwissSign_Gold_CA_-_G2.pem
Replacing debian:SwissSign_Silver_CA_-_G2.pem
Replacing debian:T-TeleSec_GlobalRoot_Class_2.pem
Replacing debian:T-TeleSec_GlobalRoot_Class_3.pem
Replacing debian:TWCA_Global_Root_CA.pem
Replacing debian:TWCA_Root_Certification_Authority.pem
Replacing debian:TeliaSonera_Root_CA_v1.pem
Replacing debian:Trustis_FPS_Root_CA.pem
Replacing debian:USERTrust_ECC_Certification_Authority.pem
Replacing debian:USERTrust_RSA_Certification_Authority.pem
Replacing debian:VeriSign_Universal_Root_Certification_Authority.pem
Replacing debian:XRamp_Global_CA_Root.pem
Replacing debian:certSIGN_ROOT_CA.pem
Replacing debian:ePKI_Root_Certification_Authority.pem
Replacing debian:AC_RAIZ_FNMT-RCM.pem
Replacing debian:Amazon_Root_CA_1.pem
Replacing debian:Amazon_Root_CA_2.pem
Replacing debian:Amazon_Root_CA_3.pem
Replacing debian:Amazon_Root_CA_4.pem
Replacing debian:Certum_Trusted_Network_CA_2.pem
Replacing debian:Hellenic_Academic_and_Research_Institutions_ECC_RootCA_2015.pem
Replacing debian:Hellenic_Academic_and_Research_Institutions_RootCA_2015.pem
Replacing debian:ISRG_Root_X1.pem
Replacing debian:SZAFIR_ROOT_CA2.pem
Replacing debian:TUBITAK_Kamu_SM_SSL_Kok_Sertifikasi_-_Surum_1.pem
Replacing debian:GDCA_TrustAUTH_R5_ROOT.pem
Replacing debian:GlobalSign_Root_CA_-_R6.pem
Replacing debian:OISTE_WISeKey_Global_Root_GC_CA.pem
Replacing debian:SSL.com_EV_Root_Certification_Authority_ECC.pem
Replacing debian:SSL.com_EV_Root_Certification_Authority_RSA_R2.pem
Replacing debian:SSL.com_Root_Certification_Authority_ECC.pem
Replacing debian:SSL.com_Root_Certification_Authority_RSA.pem
Replacing debian:TrustCor_ECA-1.pem
Replacing debian:TrustCor_RootCert_CA-1.pem
Replacing debian:TrustCor_RootCert_CA-2.pem
Replacing debian:Certigna_Root_CA.pem
Replacing debian:certSIGN_Root_CA_G2.pem
Replacing debian:emSign_ECC_Root_CA_-_C3.pem
Replacing debian:emSign_ECC_Root_CA_-_G3.pem
Replacing debian:emSign_Root_CA_-_C1.pem
Replacing debian:emSign_Root_CA_-_G1.pem
Replacing debian:Entrust_Root_Certification_Authority_-_G4.pem
Replacing debian:e-Szigno_Root_CA_2017.pem
Replacing debian:GTS_Root_R1.pem
Replacing debian:GTS_Root_R2.pem
Replacing debian:GTS_Root_R3.pem
Replacing debian:GTS_Root_R4.pem
Replacing debian:Hongkong_Post_Root_CA_3.pem
Replacing debian:Microsoft_ECC_Root_Certificate_Authority_2017.pem
Replacing debian:Microsoft_RSA_Root_Certificate_Authority_2017.pem
Replacing debian:Trustwave_Global_Certification_Authority.pem
Replacing debian:Trustwave_Global_ECC_P256_Certification_Authority.pem
Replacing debian:Trustwave_Global_ECC_P384_Certification_Authority.pem
Replacing debian:UCA_Extended_Validation_Root.pem
Replacing debian:UCA_Global_G2_Root.pem
Replacing debian:NAVER_Global_Root_Certification_Authority.pem
done.
done.
Processing triggers for desktop-file-utils (0.22-1ubuntu5.2) ...
Processing triggers for bamfdaemon (0.5.3~bzr0+16.04.20180209-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1.1) ...
Respuesta1
El programa llama a esto en su postinstscript:
update-ca-certificates -f 2>/dev/null
La -fbandera:
-f, --fresh Actualizaciones nuevas. Elimine los enlaces simbólicos en el directorio /etc/ssl/certs.
Entonces el resultado coincide con el de una llamada a update-ca-certificates. Tenga en cuenta que hubo otros desencadenantes, por lo que la actualización de los certificados podría haber estado esperando allí, desde otra instalación/actualización no relacionada, y recién ahora se procesó.
Puede inspeccionar el contenido del debarchivo con:
ar -x packages.deb
Los scripts de (des)instalación están entonces dentro control.tar.xz(al menos para la versión 2.0 del formato del paquete binario Debian).
Dicho esto, no hay forma alguna de confiar en una aplicación de código cerrado. Si estuviera haciendo algo turbio, probablemente no lo verías en el resultado (cambiar los certificados de CA sería definitivamente turbio, pero no parece ser el caso).