From: Bruno Thomsen <[email protected]>

Install a bundle of X.509 certificates of public Certificate Authorities (CA) 
in PEM format.
The bundle is extracted from Mozilla's release tree by a host package called 
certdata.

Test case 1:
openssl s_client -connect www.google.com:443 -CAfile 
/usr/share/ca-certificates/curl/ca-bundle.crt

Result:
Verify return code: 0 (ok)

Test case 2:
openssl s_client -connect www.google.com:443

Result:
Verify return code: 20 (unable to get local issuer certificate)

Test case 3:
curl https://www.google.com

Result:
<HTML><HEAD>...

Test case 4:
rm /usr/share/ca-certificates/curl/ca-bundle.crt
curl https://www.google.com

Result:
curl: (77) error setting certificate verify locations:
  CAfile: /usr/share/ca-certificates/curl/ca-bundle.crt
  CApath: none

Signed-off-by: Bruno Thomsen <[email protected]>
---
 rules/libcurl.in   | 18 ++++++++++++++++--
 rules/libcurl.make | 23 ++++++++++++++++++++++-
 2 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/rules/libcurl.in b/rules/libcurl.in
index 0ad7fb4..11c3698 100644
--- a/rules/libcurl.in
+++ b/rules/libcurl.in
@@ -5,8 +5,10 @@ menuconfig LIBCURL
        prompt "libcurl                       "
        select LIBC_RT
        select ZLIB
-       select OPENSSL  if LIBCURL_SSL
-       select LIBSSH2  if LIBCURL_LIBSSH2
+       select HOST_SYSTEM_PERL if LIBCURL_CA_BUNDLE
+       select HOST_CERTDATA    if LIBCURL_CA_BUNDLE
+       select OPENSSL          if LIBCURL_SSL
+       select LIBSSH2          if LIBCURL_LIBSSH2
        help
        curl is a command line tool for transferring files with URL syntax, 
supporting
        FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, LDAP, LDAPS and 
FILE.
@@ -20,6 +22,18 @@ if LIBCURL
 config LIBCURL_CURL
        bool "install curl program"
 
+config LIBCURL_CA_BUNDLE
+       bool "install root CA certificates"
+       help
+         Bundle of Root CA Certificates.
+
+         This is a bundle of X.509 certificates of public Certificate 
Authorities (CA).
+         These were automatically extracted from Mozilla's root certificates
+         file (certdata.txt).
+
+         It contains the certificates in PEM format and therefore
+         can be directly used with curl / libcurl / php_curl / strongswan.
+
 config LIBCURL_HTTP
        bool "http"
        default y
diff --git a/rules/libcurl.make b/rules/libcurl.make
index 5babcb0..7f83ca4 100644
--- a/rules/libcurl.make
+++ b/rules/libcurl.make
@@ -62,7 +62,6 @@ LIBCURL_AUTOCONF := \
        --without-gssapi \
        --without-gnutls \
        --without-nss \
-       --without-ca-bundle \
        --without-ca-path \
        --without-libidn \
        --without-axtls \
@@ -82,6 +81,25 @@ else
 LIBCURL_AUTOCONF += --without-ssl
 endif
 
+ifdef PTXCONF_LIBCURL_CA_BUNDLE
+LIBCURL_AUTOCONF += 
--with-ca-bundle=/usr/share/ca-certificates/curl/ca-bundle.crt
+else
+LIBCURL_AUTOCONF += --without-ca-bundle
+endif
+
+# ----------------------------------------------------------------------------
+# Compile
+# ----------------------------------------------------------------------------
+
+$(STATEDIR)/libcurl.compile:
+       @$(call targetinfo)
+
+ifdef PTXCONF_LIBCURL_CA_BUNDLE
+       @cd $(HOST_CERTDATA_DIR)
+       @$(LIBCURL_DIR)/lib/mk-ca-bundle.pl -i -n -v 
$(LIBCURL_DIR)/ca-bundle.crt
+endif
+       @$(call touch)
+
 # ----------------------------------------------------------------------------
 # Target-Install
 # ----------------------------------------------------------------------------
@@ -99,6 +117,9 @@ ifdef PTXCONF_LIBCURL_CURL
        @$(call install_copy, libcurl, 0, 0, 0755, -, /usr/bin/curl)
 endif
        @$(call install_lib, libcurl, 0, 0, 0644, libcurl)
+ifdef PTXCONF_LIBCURL_CA_BUNDLE
+       @$(call install_copy, libcurl, 0, 0, 0444, 
$(LIBCURL_DIR)/ca-bundle.crt, /usr/share/ca-certificates/curl/ca-bundle.crt)
+endif
 
        @$(call install_finish, libcurl)
 
-- 
1.9.1


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