diff options
Diffstat (limited to 'src/or/hs_control.c')
| -rw-r--r-- | src/or/hs_control.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/or/hs_control.c b/src/or/hs_control.c index 9a05d936b6..1b1fe78575 100644 --- a/src/or/hs_control.c +++ b/src/or/hs_control.c @@ -10,6 +10,8 @@ #include "control.h" #include "hs_common.h" #include "hs_control.h" +#include "hs_descriptor.h" +#include "hs_service.h" #include "nodelist.h" /* Send on the control port the "HS_DESC REQUESTEDÂ [...]" event. @@ -199,3 +201,56 @@ hs_control_desc_event_content(const hs_ident_dir_conn_t *ident, hsdir_id_digest, body); } +/* Handle the "HSPOST [...]" command. The body is an encoded descriptor for + * the given onion_address. The descriptor will be uploaded to each directory + * in hsdirs_rs. If NULL, the responsible directories for the current time + * period will be selected. + * + * Return -1 on if the descriptor plaintext section is not decodable. Else, 0 + * on success. */ +int +hs_control_hspost_command(const char *body, const char *onion_address, + const smartlist_t *hsdirs_rs) +{ + int ret = -1; + ed25519_public_key_t identity_pk; + hs_desc_plaintext_data_t plaintext; + smartlist_t *hsdirs = NULL; + + tor_assert(body); + tor_assert(onion_address); + + /* This can't fail because we require the caller to pass us a valid onion + * address that has passed hs_address_is_valid(). */ + hs_parse_address(onion_address, &identity_pk, NULL, NULL); + + /* Only decode the plaintext part which is what the directory will do to + * validate before caching. */ + if (hs_desc_decode_plaintext(body, &plaintext) < 0) { + goto done; + } + + /* No HSDir(s) given, we'll compute what the current ones should be. */ + if (hsdirs_rs == NULL) { + hsdirs = smartlist_new(); + hs_get_responsible_hsdirs(&plaintext.blinded_pubkey, + hs_get_time_period_num(0), + 0, /* Always the current descriptor which uses + * the first hsdir index. */ + 0, /* It is for storing on a directory. */ + hsdirs); + hsdirs_rs = hsdirs; + } + + SMARTLIST_FOREACH_BEGIN(hsdirs_rs, const routerstatus_t *, rs) { + hs_service_upload_desc_to_dir(body, plaintext.version, &identity_pk, + &plaintext.blinded_pubkey, rs); + } SMARTLIST_FOREACH_END(rs); + ret = 0; + + done: + /* We don't have ownership of the objects in this list. */ + smartlist_free(hsdirs); + return ret; +} + |