core: Add gpgme_op_query_swdb and helper.

* src/gpgme.h.in (gpgme_query_swdb_result_t): New.
(gpgme_op_query_swdb): New.
(gpgme_op_query_swdb_result): New.
* src/libgpgme.vers, src/gpgme.def: Add the two new functions.
* src/queryswdb.c: New.
* src/Makefile.am (main_sources): Add new file.
* src/context.h (OPDATA_QUERY_SWDB): New.
* src/engine-backend.h (struct engine_ops): Add field 'query_swdb'.
Adjust all initializer.
* src/engine.c (_gpgme_engine_op_query_swdb): New.
* src/engine-gpgconf.c (parse_swdb_line): New.
(gpgconf_query_swdb): New.
(_gpgme_engine_ops_gpgconf): Register that function.

* src/util.h (GPG_ERR_TOO_OLD): Define for older libgpg-error.
(GPG_ERR_ENGINE_TOO_OLD): Ditto.

* tests/run-swdb.c: New.
* tests/Makefile.am (noinst_PROGRAMS): Add new debug tool.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 61 insertions, 0 deletions

diff --git a/src/gpgme.h.in b/src/gpgme.h.in
index 94ef51de..4f470a03 100644
--- a/src/gpgme.h.in
+++ b/src/gpgme.h.in
@@ -2418,6 +2418,67 @@ gpgme_error_t gpgme_op_conf_load (gpgme_ctx_t ctx, gpgme_conf_comp_t *conf_p);
 gpgme_error_t gpgme_op_conf_save (gpgme_ctx_t ctx, gpgme_conf_comp_t comp);
 
 
+/* Information about software versions.  */
+typedef struct _gpgme_op_query_swdb_result
+{
+  /* RFU */
+  struct _gpgme_op_query_swdb_result *next;
+
+  /* The name of the package (e.g. "gpgme", "gnupg") */
+  char *name;
+
+  /* The version number of the installed version.  */
+  char *iversion;
+
+  /* The time the online info was created.  */
+  unsigned long created;
+
+  /* The time the online info was retrieved.  */
+  unsigned long retrieved;
+
+  /* This bit is set if an error occured or some of the information
+   * in this structure may not be set.  */
+  unsigned int warning : 1;
+
+  /* An update is available.  */
+  unsigned int update : 1;
+
+  /* The update is important.  */
+  unsigned int urgent : 1;
+
+  /* No information at all available.  */
+  unsigned int noinfo : 1;
+
+  /* The package name is not known. */
+  unsigned int unknown : 1;
+
+  /* The information here is too old.  */
+  unsigned int tooold : 1;
+
+  /* Other error.  */
+  unsigned int error : 1;
+
+  unsigned int _reserved : 25;
+
+  /* The version number of the latest released version.  */
+  char *version;
+
+  /* The release date of that version.  */
+  unsigned long reldate;
+
+} *gpgme_query_swdb_result_t;
+
+
+/* Run the gpgconf --query-swdb command.  */
+gpgme_error_t gpgme_op_query_swdb (gpgme_ctx_t ctx,
+                                   const char *name, const char *iversion,
+                                   unsigned int reserved);
+
+/* Return the result from the last query_swdb operation.  */
+gpgme_query_swdb_result_t gpgme_op_query_swdb_result (gpgme_ctx_t ctx);
+
+
+
 
 /*
  * Various functions.