Module: kamailio Branch: master Commit: 6c3cff35a2ae2c29a93f0c2bd8507ccbed00464c URL: https://github.com/kamailio/kamailio/commit/6c3cff35a2ae2c29a93f0c2bd8507ccb...

Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2023-01-04T10:26:22+01:00

jsonrpcs: check if rpc command has execution limit with delta interval

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Modified: src/modules/jsonrpcs/jsonrpcs_mod.c

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Diff: https://github.com/kamailio/kamailio/commit/6c3cff35a2ae2c29a93f0c2bd8507ccb... Patch: https://github.com/kamailio/kamailio/commit/6c3cff35a2ae2c29a93f0c2bd8507ccb...

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diff --git a/src/modules/jsonrpcs/jsonrpcs_mod.c b/src/modules/jsonrpcs/jsonrpcs_mod.c index a966f6438ee..801eae441f1 100644 --- a/src/modules/jsonrpcs/jsonrpcs_mod.c +++ b/src/modules/jsonrpcs/jsonrpcs_mod.c @@ -1271,11 +1271,12 @@ static void mod_destroy(void) */ static int ki_jsonrpcs_dispatch(sip_msg_t* msg) { - rpc_export_t* rpce; + rpc_exportx_t* rpce; jsonrpc_ctx_t* ctx; int ret = 0; srjson_t *nj = NULL; str val; + unsigned int rdata;

if(!IS_HTTP(msg)) { LM_DBG("Got non HTTP msg\n"); @@ -1332,20 +1333,26 @@ static int ki_jsonrpcs_dispatch(sip_msg_t* msg) val.s = nj->valuestring; val.len = strlen(val.s); ctx->method = val.s; - rpce = find_rpc_export(ctx->method, 0); - if (!rpce || !rpce->function) { + rpce = rpc_lookupx(val.s, val.len, &rdata); + if (!rpce || !rpce->r.function) { LM_ERR("method callback not found [%.*s]\n", val.len, val.s); jsonrpc_fault(ctx, 500, "Method Not Found"); goto send_reply; } - ctx->flags = rpce->flags; + if (rdata & RPC_EXEC_DELTA) { + LM_ERR("execution of command [%.*s] is limited by delta [%d]\n", + val.len, val.s, ksr_rpc_exec_delta); + jsonrpc_fault(ctx, 500, "Command Executed Too Fast"); + goto send_reply; + } + ctx->flags = rpce->r.flags; nj = srjson_GetObjectItem(ctx->jreq, ctx->jreq->root, "params"); if(nj!=NULL && nj->type!=srjson_Array && nj->type!=srjson_Object) { LM_ERR("params field is not an array or object\n"); goto send_reply; } if(nj!=NULL) ctx->req_node = nj->child; - rpce->function(&func_param, ctx); + rpce->r.function(&func_param, ctx);

send_reply: if (!ctx->reply_sent && !(ctx->flags&JSONRPC_DELAYED_REPLY_F)) { @@ -1367,12 +1374,13 @@ static int jsonrpc_dispatch(sip_msg_t* msg, char* s1, char* s2)

int jsonrpc_exec_ex(str *cmd, str *rpath) { - rpc_export_t* rpce; + rpc_exportx_t* rpce; jsonrpc_ctx_t* ctx; int ret; srjson_t *nj = NULL; str val; str scmd; + unsigned int rdata = 0;

scmd = *cmd;

@@ -1441,20 +1449,26 @@ int jsonrpc_exec_ex(str *cmd, str *rpath) val.s = nj->valuestring; val.len = strlen(val.s); ctx->method = val.s; - rpce = find_rpc_export(ctx->method, 0); - if (!rpce || !rpce->function) { + rpce = rpc_lookupx(val.s, val.len, &rdata); + if (!rpce || !rpce->r.function) { LM_ERR("method callback not found [%.*s]\n", val.len, val.s); jsonrpc_fault(ctx, 500, "Method Not Found"); goto send_reply; } - ctx->flags = rpce->flags; + if (rdata & RPC_EXEC_DELTA) { + LM_ERR("execution of command [%.*s] is limited by delta [%d]\n", + val.len, val.s, ksr_rpc_exec_delta); + jsonrpc_fault(ctx, 500, "Command Executed Too Fast"); + goto send_reply; + } + ctx->flags = rpce->r.flags; nj = srjson_GetObjectItem(ctx->jreq, ctx->jreq->root, "params"); if(nj!=NULL && nj->type!=srjson_Array && nj->type!=srjson_Object) { LM_ERR("params field is not an array or object\n"); goto send_reply; } if(nj!=NULL) ctx->req_node = nj->child; - rpce->function(&func_param, ctx); + rpce->r.function(&func_param, ctx); ret = 1;

send_reply: