diff options
Diffstat (limited to 'libbutl/openssl.hxx')
| -rw-r--r-- | libbutl/openssl.hxx | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libbutl/openssl.hxx b/libbutl/openssl.hxx index 58e38f8..b340f5c 100644 --- a/libbutl/openssl.hxx +++ b/libbutl/openssl.hxx @@ -8,8 +8,10 @@ #include <libbutl/path.hxx> #include <libbutl/process.hxx> +#include <libbutl/optional.hxx> #include <libbutl/fdstream.hxx> #include <libbutl/small-vector.hxx> +#include <libbutl/semantic-version.hxx> #include <libbutl/export.hxx> @@ -78,6 +80,23 @@ namespace butl // department (that were apparently fixed in 1.0.2). To work around these // bugs pass user-supplied options first. // + struct openssl_info + { + // Note that the program name can be used by the caller to properly + // interpret the version. + // + // The name/version examples: + // + // OpenSSL 3.0.0 + // OpenSSL 1.1.1l + // LibreSSL 2.8.3 + // + // The `l` component above ends up in semantic_version::build. + // + std::string name; + semantic_version version; + }; + class LIBBUTL_SYMEXPORT openssl: public process { public: @@ -111,6 +130,22 @@ namespace butl const std::string& command, A&&... options); + // Run `openssl version` command and try to parse and return the + // information it prints to stdout. Return nullopt if the process hasn't + // terminated successfully or stdout parsing has failed. Throw + // process_error and io_error in case of errors. + // + template <typename E> + static optional<openssl_info> + info (E&& err, const process_env&); + + template <typename C, + typename E> + static optional<openssl_info> + info (const C&, + E&& err, + const process_env&); + private: template <typename T> struct is_other |