X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=lib%2Fsilccore%2Fsilccommand.c;h=04f03d6b6a6d1acc02fcbd7e4c22cc50cb6f24fc;hb=386c883d8774999c6e74d7c6c37e52e4163a4cb1;hp=7064629ff2d2cbebcf670b043c9ddb20087fc327;hpb=0d88839b0027590e041b90fb0a6611f8c85779ba;p=silc.git diff --git a/lib/silccore/silccommand.c b/lib/silccore/silccommand.c index 7064629f..04f03d6b 100644 --- a/lib/silccore/silccommand.c +++ b/lib/silccore/silccommand.c @@ -41,20 +41,23 @@ struct SilcCommandPayloadStruct { /* Parses command payload returning new command payload structure */ -SilcCommandPayload silc_command_payload_parse(SilcBuffer buffer) +SilcCommandPayload silc_command_payload_parse(const unsigned char *payload, + uint32 payload_len) { + SilcBufferStruct buffer; SilcCommandPayload new; unsigned char args_num; - uint16 payload_len; + uint16 p_len; int ret; SILC_LOG_DEBUG(("Parsing command payload")); + silc_buffer_set(&buffer, (unsigned char *)payload, payload_len); new = silc_calloc(1, sizeof(*new)); /* Parse the Command Payload */ - ret = silc_buffer_unformat(buffer, - SILC_STR_UI_SHORT(&payload_len), + ret = silc_buffer_unformat(&buffer, + SILC_STR_UI_SHORT(&p_len), SILC_STR_UI_CHAR(&new->cmd), SILC_STR_UI_CHAR(&args_num), SILC_STR_UI_SHORT(&new->ident), @@ -64,7 +67,7 @@ SilcCommandPayload silc_command_payload_parse(SilcBuffer buffer) return NULL; } - if (payload_len != buffer->len) { + if (p_len != buffer.len) { SILC_LOG_ERROR(("Incorrect command payload in packet, packet dropped")); silc_free(new); return NULL; @@ -75,15 +78,15 @@ SilcCommandPayload silc_command_payload_parse(SilcBuffer buffer) return NULL; } - silc_buffer_pull(buffer, SILC_COMMAND_PAYLOAD_LEN); + silc_buffer_pull(&buffer, SILC_COMMAND_PAYLOAD_LEN); if (args_num) { - new->args = silc_argument_payload_parse(buffer, args_num); + new->args = silc_argument_payload_parse(buffer.data, buffer.len, args_num); if (!new->args) { silc_free(new); return NULL; } } - silc_buffer_push(buffer, SILC_COMMAND_PAYLOAD_LEN); + silc_buffer_push(&buffer, SILC_COMMAND_PAYLOAD_LEN); return new; } @@ -127,7 +130,7 @@ SilcBuffer silc_command_payload_encode(SilcCommand cmd, SILC_STR_UI_XNSTRING(args->data, args->len), SILC_STR_END); silc_buffer_push(buffer, SILC_COMMAND_PAYLOAD_LEN); - silc_free(args); + silc_buffer_free(args); } return buffer; @@ -170,7 +173,7 @@ SilcBuffer silc_command_payload_encode_payload(SilcCommandPayload payload) SILC_STR_UI_XNSTRING(args->data, args->len), SILC_STR_END); silc_buffer_push(buffer, SILC_COMMAND_PAYLOAD_LEN); - silc_free(args); + silc_buffer_free(args); } return buffer; @@ -189,43 +192,11 @@ SilcBuffer silc_command_payload_encode_va(SilcCommand cmd, uint32 argc, ...) { va_list ap; - unsigned char **argv; - uint32 *argv_lens = NULL, *argv_types = NULL; - unsigned char *x; - uint32 x_len; - uint32 x_type; SilcBuffer buffer; - int i, k; va_start(ap, argc); - - argv = silc_calloc(argc, sizeof(unsigned char *)); - argv_lens = silc_calloc(argc, sizeof(uint32)); - argv_types = silc_calloc(argc, sizeof(uint32)); - - for (i = 0, k = 0; i < argc; i++) { - x_type = va_arg(ap, uint32); - x = va_arg(ap, unsigned char *); - x_len = va_arg(ap, uint32); - - if (!x_type || !x || !x_len) - continue; - - argv[k] = silc_calloc(x_len + 1, sizeof(unsigned char)); - memcpy(argv[k], x, x_len); - argv_lens[k] = x_len; - argv_types[k] = x_type; - k++; - } - - buffer = silc_command_payload_encode(cmd, k, argv, argv_lens, - argv_types, ident); - - for (i = 0; i < k; i++) - silc_free(argv[i]); - silc_free(argv); - silc_free(argv_lens); - silc_free(argv_types); + buffer = silc_command_payload_encode_vap(cmd, ident, argc, ap); + va_end(ap); return buffer; } @@ -236,31 +207,32 @@ SilcBuffer silc_command_payload_encode_vap(SilcCommand cmd, uint16 ident, uint32 argc, va_list ap) { - unsigned char **argv; + unsigned char **argv = NULL; uint32 *argv_lens = NULL, *argv_types = NULL; unsigned char *x; uint32 x_len; uint32 x_type; SilcBuffer buffer; - int i, k; - - argv = silc_calloc(argc, sizeof(unsigned char *)); - argv_lens = silc_calloc(argc, sizeof(uint32)); - argv_types = silc_calloc(argc, sizeof(uint32)); + int i, k = 0; - for (i = 0, k = 0; i < argc; i++) { - x_type = va_arg(ap, uint32); - x = va_arg(ap, unsigned char *); - x_len = va_arg(ap, uint32); - - if (!x_type || !x || !x_len) - continue; - - argv[k] = silc_calloc(x_len + 1, sizeof(unsigned char)); - memcpy(argv[k], x, x_len); - argv_lens[k] = x_len; - argv_types[k] = x_type; - k++; + if (argc) { + argv = silc_calloc(argc, sizeof(unsigned char *)); + argv_lens = silc_calloc(argc, sizeof(uint32)); + argv_types = silc_calloc(argc, sizeof(uint32)); + + for (i = 0, k = 0; i < argc; i++) { + x_type = va_arg(ap, uint32); + x = va_arg(ap, unsigned char *); + x_len = va_arg(ap, uint32); + + if (!x_type || !x || !x_len) + continue; + + argv[k] = silc_memdup(x, x_len); + argv_lens[k] = x_len; + argv_types[k] = x_type; + k++; + } } buffer = silc_command_payload_encode(cmd, k, argv, argv_lens, @@ -287,6 +259,21 @@ silc_command_reply_payload_encode_va(SilcCommand cmd, uint32 argc, ...) { va_list ap; + SilcBuffer buffer; + + va_start(ap, argc); + buffer = silc_command_reply_payload_encode_vap(cmd, status, ident, argc, ap); + va_end(ap); + + return buffer; +} + +SilcBuffer +silc_command_reply_payload_encode_vap(SilcCommand cmd, + SilcCommandStatus status, + uint16 ident, uint32 argc, + va_list ap) +{ unsigned char **argv; uint32 *argv_lens = NULL, *argv_types = NULL; unsigned char status_data[2]; @@ -296,16 +283,13 @@ silc_command_reply_payload_encode_va(SilcCommand cmd, SilcBuffer buffer; int i, k; - va_start(ap, argc); - argc++; argv = silc_calloc(argc, sizeof(unsigned char *)); argv_lens = silc_calloc(argc, sizeof(uint32)); argv_types = silc_calloc(argc, sizeof(uint32)); SILC_PUT16_MSB(status, status_data); - argv[0] = silc_calloc(sizeof(status_data) + 1, sizeof(unsigned char)); - memcpy(argv[0], status_data, sizeof(status_data)); + argv[0] = silc_memdup(status_data, sizeof(status_data)); argv_lens[0] = sizeof(status_data); argv_types[0] = 1; @@ -317,8 +301,7 @@ silc_command_reply_payload_encode_va(SilcCommand cmd, if (!x_type || !x || !x_len) continue; - argv[k] = silc_calloc(x_len + 1, sizeof(unsigned char)); - memcpy(argv[k], x, x_len); + argv[k] = silc_memdup(x, x_len); argv_lens[k] = x_len; argv_types[k] = x_type; k++;