[Buildroot] [git commit branch/2022.05.x] package/uacme: requires TLS support in libcurl

* [Buildroot] [git commit branch/2022.05.x] package/uacme: requires TLS support in libcurl
@ 2022-08-11 11:02 Peter Korsgaard
  0 siblings, 0 replies; only message in thread
From: Peter Korsgaard @ 2022-08-11 11:02 UTC (permalink / raw)
  To: buildroot

commit: https://git.buildroot.net/buildroot/commit/?id=9fb74b0152b35065f63418a53f1888f8c1a5fd1f
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2022.05.x

uacme configure script fails when libcurl does not support TLS. This
means that BR2_PACKAGE_LIBCURL_TLS_NONE is incompatible with uacme.

Add a kconfig knob to libcurl, BR2_PACKAGE_LIBCURL_FORCE_TLS, so that
_TLS_NONE is not an option. Select that from uacme.

Note that, beside selecting BR2_PACKAGE_LIBCURL_FORCE_TLS, packages will
have to also select a package that can be used as a crypto backend by
libcurl. Use of BR2_PACKAGE_LIBCURL_FORCE_TLS is unlikely to become very
common in the foreseeable future, so we don't need to optimize with
automatic selection of crypto backend.

uacme already needs a crypto package for itself, so the above
requirement is naturally met for uacme.

Fixes:
http://autobuild.buildroot.net/results/4e16f1d958ac3d30e26e7f17bdffc47834b0e2bd/
http://autobuild.buildroot.net/results/4e16f1d958ac3d30e26e7f17bdffc47834b0e2bd/
http://autobuild.buildroot.net/results/25280409b32282b4dd40b1e88127051439380f3d/

Cc: Nicola Di Lieto <nicola.dilieto@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
[yann.morin.1998@free.fr:
  - keep the current forward select
  - add the kconfig knob
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Reviewed-by: Baruch Siach <baruch@tkos.co.il>
[yann.morin.1998@free.fr: tweak commit log with Baruch's suggestions]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 6d07e2618c085c7769f695125d6e3392d9d97093)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
 package/libcurl/Config.in | 7 +++++++
 package/uacme/Config.in   | 1 +
 2 files changed, 8 insertions(+)

diff --git a/package/libcurl/Config.in b/package/libcurl/Config.in
index 3381decca8..bc2f8f47f2 100644
--- a/package/libcurl/Config.in
+++ b/package/libcurl/Config.in
@@ -45,6 +45,12 @@ config BR2_PACKAGE_LIBCURL_EXTRA_PROTOCOLS_FEATURES
 	  - DICT
 	  - Gopher
 
+# Packages must select that if they require a SSL/TLS-enabled libcurl.
+# Those packages must also select one crypto package that can be used
+# as a backend below.
+config BR2_PACKAGE_LIBCURL_FORCE_TLS
+	bool
+
 choice
 	prompt "SSL/TLS library to use"
 
@@ -77,6 +83,7 @@ comment "WolfSSL needs a toolchain w/ dynamic library"
 
 config BR2_PACKAGE_LIBCURL_TLS_NONE
 	bool "None"
+	depends on !BR2_PACKAGE_LIBCURL_FORCE_SSL_TLS
 
 endchoice
 
diff --git a/package/uacme/Config.in b/package/uacme/Config.in
index 58b7c534e7..796f54754e 100644
--- a/package/uacme/Config.in
+++ b/package/uacme/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_UACME
 	depends on BR2_USE_MMU # fork()
 	select BR2_PACKAGE_OPENSSL if !(BR2_PACKAGE_GNUTLS || BR2_PACKAGE_MBEDTLS)
 	select BR2_PACKAGE_LIBCURL
+	select BR2_PACKAGE_LIBCURL_FORCE_TLS
 	help
 	  uacme is a client for the ACMEv2 protocol described in
 	  RFC8555, written in plain C with minimal dependencies
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