swanctl: Automatically unload removed shared keys
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@ -50,6 +50,8 @@ typedef struct {
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bool noprompt;
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/** list of key ids of loaded private keys */
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hashtable_t *keys;
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/** list of unique ids of loaded shared keys */
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hashtable_t *shared;
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} load_ctx_t;
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/**
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@ -629,6 +631,7 @@ static bool load_secret(load_ctx_t *ctx, char *section)
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req = vici_begin("load-shared");
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vici_add_key_valuef(req, "id", "%s", section);
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vici_add_key_valuef(req, "type", "%s", type);
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vici_add_key_value(req, "data", data.ptr, data.len);
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chunk_clear(&data);
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@ -667,6 +670,10 @@ static bool load_secret(load_ctx_t *ctx, char *section)
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{
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printf("loaded %s secret '%s'\n", type, section);
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}
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if (ret)
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{
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free(ctx->shared->remove(ctx->shared, section));
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}
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vici_free_res(res);
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return ret;
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}
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@ -687,9 +694,9 @@ CALLBACK(get_id, int,
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}
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/**
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* Get a list of currently loaded private keys
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* Get a list of currently loaded private and shared keys
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*/
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static void get_keys(load_ctx_t *ctx)
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static void get_creds(load_ctx_t *ctx)
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{
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vici_res_t *res;
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@ -704,31 +711,43 @@ static void get_keys(load_ctx_t *ctx)
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vici_parse_cb(res, NULL, NULL, get_id, ctx->keys);
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vici_free_res(res);
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}
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res = vici_submit(vici_begin("get-shared"), ctx->conn);
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if (res)
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{
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if (ctx->format & COMMAND_FORMAT_RAW)
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{
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vici_dump(res, "get-shared reply", ctx->format & COMMAND_FORMAT_PRETTY,
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stdout);
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}
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vici_parse_cb(res, NULL, NULL, get_id, ctx->shared);
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vici_free_res(res);
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}
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}
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/**
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* Remove a given key
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*/
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static bool unload_key(load_ctx_t *ctx, char *id)
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static bool unload_key(load_ctx_t *ctx, char *command, char *id)
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{
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vici_req_t *req;
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vici_res_t *res;
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char buf[BUF_LEN];
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bool ret = TRUE;
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req = vici_begin("unload-key");
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req = vici_begin(command);
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vici_add_key_valuef(req, "id", "%s", id);
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res = vici_submit(req, ctx->conn);
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if (!res)
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{
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fprintf(stderr, "unload-key request failed: %s\n", strerror(errno));
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fprintf(stderr, "%s request failed: %s\n", command, strerror(errno));
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return FALSE;
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}
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if (ctx->format & COMMAND_FORMAT_RAW)
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{
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vici_dump(res, "unload-key reply", ctx->format & COMMAND_FORMAT_PRETTY,
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stdout);
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snprintf(buf, sizeof(buf), "%s reply", command);
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vici_dump(res, buf, ctx->format & COMMAND_FORMAT_PRETTY, stdout);
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}
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else if (!streq(vici_find_str(res, "no", "success"), "yes"))
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{
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@ -740,6 +759,22 @@ static bool unload_key(load_ctx_t *ctx, char *id)
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return ret;
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}
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/**
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* Remove all keys in the given hashtable using the given command
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*/
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static void unload_keys(load_ctx_t *ctx, hashtable_t *ht, char *command)
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{
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enumerator_t *enumerator;
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char *id;
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enumerator = ht->create_enumerator(ht);
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while (enumerator->enumerate(enumerator, &id, NULL))
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{
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unload_key(ctx, command, id);
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}
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enumerator->destroy(enumerator);
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}
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/**
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* Clear all currently loaded credentials
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*/
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@ -769,13 +804,14 @@ int load_creds_cfg(vici_conn_t *conn, command_format_options_t format,
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settings_t *cfg, bool clear, bool noprompt)
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{
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enumerator_t *enumerator;
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char *section, *id;
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char *section;
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load_ctx_t ctx = {
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.conn = conn,
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.format = format,
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.noprompt = noprompt,
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.cfg = cfg,
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.keys = hashtable_create(hashtable_hash_str, hashtable_equals_str, 8),
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.shared = hashtable_create(hashtable_hash_str, hashtable_equals_str, 8),
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};
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if (clear)
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@ -786,7 +822,7 @@ int load_creds_cfg(vici_conn_t *conn, command_format_options_t format,
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}
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}
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get_keys(&ctx);
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get_creds(&ctx);
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load_certs(&ctx, "x509", SWANCTL_X509DIR);
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load_certs(&ctx, "x509ca", SWANCTL_X509CADIR);
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@ -811,13 +847,11 @@ int load_creds_cfg(vici_conn_t *conn, command_format_options_t format,
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}
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enumerator->destroy(enumerator);
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enumerator = ctx.keys->create_enumerator(ctx.keys);
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while (enumerator->enumerate(enumerator, &id, NULL))
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{
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unload_key(&ctx, id);
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}
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enumerator->destroy(enumerator);
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unload_keys(&ctx, ctx.keys, "unload-key");
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unload_keys(&ctx, ctx.shared, "unload-shared");
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ctx.keys->destroy_function(ctx.keys, (void*)free);
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ctx.shared->destroy_function(ctx.shared, (void*)free);
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return 0;
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}
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