commit 8e59b8560a4ce372497ea7bf5bcddff0c5211ebc Author: Neel Chauhan neel@neelc.org Date: Sun Apr 12 13:13:50 2020 -0700

Return a descriptive error for 'GETINFO status/fresh-relay-descs' --- changes/ticket32873 | 6 ++++++ src/feature/control/control_getinfo.c | 18 ++++++++++++++++-- 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/changes/ticket32873 b/changes/ticket32873 new file mode 100644 index 000000000..65ea1f64a --- /dev/null +++ b/changes/ticket32873 @@ -0,0 +1,6 @@ + o Minor features (control port): + - Return a descriptive error message from the 'GETINFO + status/fresh-relay-descs' command on the control port. + Previously, we returned a generic error of "Error + generating descriptor". Closes ticket 32873. Patch by + Neel Chauhan. diff --git a/src/feature/control/control_getinfo.c b/src/feature/control/control_getinfo.c index 5dcc4b170..aa951e74f 100644 --- a/src/feature/control/control_getinfo.c +++ b/src/feature/control/control_getinfo.c @@ -1331,8 +1331,22 @@ getinfo_helper_events(control_connection_t *control_conn, } routerinfo_t *r; extrainfo_t *e; - if (router_build_fresh_descriptor(&r, &e) < 0) { - *errmsg = "Error generating descriptor"; + int result; + if ((result = router_build_fresh_descriptor(&r, &e)) < 0) { + switch (result) { + case TOR_ROUTERINFO_ERROR_NO_EXT_ADDR: + *errmsg = "Cannot get relay address while generating descriptor"; + break; + case TOR_ROUTERINFO_ERROR_DIGEST_FAILED: + *errmsg = "Key digest failed"; + break; + case TOR_ROUTERINFO_ERROR_CANNOT_GENERATE: + *errmsg = "Cannot generate router descriptor"; + break; + default: + *errmsg = "Error generating descriptor"; + break; + } return -1; } size_t size = r->cache_info.signed_descriptor_len + 1;