Re: [R-SIG-Mac] Libre SSL bug on MacOS Monterey => error in download.file()

2022-01-12 Thread Jeroen Ooms
On Tue, Jan 11, 2022 at 10:12 PM Simon Urbanek wrote: > > Petře, > > thanks, for the detailed analysis. It is rather curious that the issue > appears only on _newer_ systems - we are more used to issues due to older CA > chains and similar. It looks like an Apple bug on specific systems, so >

Re: [R-SIG-Mac] Libre SSL bug on MacOS Monterey => error in download.file()

2022-01-12 Thread Simon Urbanek
> On Jan 13, 2022, at 12:47 AM, Jeroen Ooms wrote: > > On Tue, Jan 11, 2022 at 10:12 PM Simon Urbanek > wrote: >> >> Petře, >> >> thanks, for the detailed analysis. It is rather curious that the issue >> appears only on _newer_ systems - we are more used to issues due to older CA >>

Re: [R-SIG-Mac] Libre SSL bug on MacOS Monterey => error in download.file()

2022-01-12 Thread Jeroen Ooms
On Wed, Jan 12, 2022 at 10:05 PM Simon Urbanek wrote: > Yes, but if you are using an old version of R on a new system, you have a lot > of other worries - you can't expect new technologies to work with old > software. CURL itself has fewer evolution issues than SSL libraries. As I > said, I am

Re: [R-SIG-Mac] Libre SSL bug on MacOS Monterey => error in download.file()

2022-01-12 Thread Kasper Daniel Hansen
I am not an expert, but it seems to me that switching the backend is a runtime setting. Couldn't we detect which version of OS X we're running and then select the backend conditionally on that test? Best, Kasper On Wed, Jan 12, 2022 at 5:12 PM Jeroen Ooms wrote: > On Wed, Jan 12, 2022 at 10:05