core/netsvc/netboot.c

132     nbmsg* msg = (void*)buffer;
133     msg->magic = NB_MAGIC;
134     msg->cookie = 0;
135     msg->cmd = NB_ADVERTISE;
136     msg->arg = NB_VERSION_CURRENT;
138     snprintf((char*)msg->data, MAX_ADVERTISE_DATA_LEN, "version=%s;nodename=%s",
140     const size_t data_len = strlen((char*)msg->data) + 1;
256     nbmsg* msg = data;
270     if ((last_cookie == msg->cookie) &&
271         (last_cmd == msg->cmd) && (last_arg == msg->arg)) {
283     switch (msg->cmd) {
287         msg->data[len - 1] = 0;
293         msg->data[len - 1] = 0;
295             if ((msg->data[i] < ' ') || (msg->data[i] > 127)) {
296                 msg->data[i] = '.';
299         active = netboot_get_buffer((const char*)msg->data, msg->arg);
302             ack.arg = msg->arg;
305             if (!strncmp((char*)msg->data, NB_FILENAME_PREFIX, prefix_len)) {
306                 filename = &((const char*)msg->data)[prefix_len];
308                 filename = (const char*)msg->data;
312             printf("netboot: Rejected File '%s'...\n", (char*) msg->data);
324         if (msg->arg != active->offset) {
325             // printf("netboot: < received chunk at offset %d but current offset is %zu\n", msg->arg, active->offset);
330             ack.arg = msg->arg;
332             memcpy(active->data + active->offset, msg->data, len);
334             ack.cmd = msg->cmd == NB_LAST_DATA ? NB_FILE_RECEIVED : NB_ACK;
335             if (msg->cmd != NB_LAST_DATA) {
363     last_cookie = msg->cookie;
364     last_cmd = msg->cmd;
365     last_arg = msg->arg;
369     ack.cookie = msg->cookie;
400     nbmsg* msg = data;
402     if ((len < sizeof(*msg)) ||
403         (msg->magic != NB_MAGIC)) {
406     len -= sizeof(*msg);
408     if (len && msg->cmd != NB_DATA && msg->cmd != NB_LAST_DATA) {
409         msg->data[len - 1] = '\0';
412     switch (msg->cmd) {
414         if (strcmp((char*)msg->data, "*") &&
415             strcmp((char*)msg->data, nodename)) {
423         msg->cmd = NB_ACK;
424         memcpy(buf, msg, sizeof(nbmsg));
430             netboot_run_cmd((char*) msg->data);
435         nb_open((char*)msg->data, msg->cookie, msg->arg, saddr, sport, dport);
438         nb_read(msg->cookie, msg->arg, saddr, sport, dport);
442         nb_write((char*)msg->data, len, msg->cookie, msg->arg, saddr, sport, dport);
445         nb_close(msg->cookie, saddr, sport, dport);