92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/* vim: tabstop=4 shiftwidth=4 noexpandtab
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* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2018-2021 K. Lange
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*
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* splash-log - Display startup messages before UI has started.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <signal.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/utsname.h>
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#include <kernel/video.h>
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#include <toaru/pex.h>
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#include "terminal-font.h"
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static FILE * console;
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static void update_message(char * c) {
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fprintf(console, "%s\n", c);
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}
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static FILE * pex_endpoint = NULL;
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static void open_socket(void) {
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pex_endpoint = pex_bind("splash");
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if (!pex_endpoint) exit(1);
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}
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static void say_hello(void) {
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/* Get our release version */
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struct utsname u;
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uname(&u);
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/* Strip git tag */
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char * tmp = strstr(u.release, "-");
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if (tmp) *tmp = '\0';
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/* Setup hello message */
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char hello_msg[512];
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snprintf(hello_msg, 511, "ToaruOS %s is starting up...", u.release);
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/* Add it to the log */
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update_message(hello_msg);
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}
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int main(int argc, char * argv[]) {
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if (getuid() != 0) {
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fprintf(stderr, "%s: only root should run this\n", argv[0]);
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return 1;
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}
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open_socket();
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console = fopen("/dev/console","a");
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if (!fork()) {
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say_hello();
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while (1) {
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pex_packet_t * p = calloc(PACKET_SIZE, 1);
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pex_listen(pex_endpoint, p);
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if (p->size < 4) continue; /* Ignore blank messages, erroneous line feeds, etc. */
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if (p->size > 80) continue; /* Ignore overly large messages */
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if (!strncmp((char*)p->data, "!quit", 5)) {
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/* Use the special message !quit to exit. */
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fclose(pex_endpoint);
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return 0;
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} else if (p->data[0] == ':') {
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/* Make sure message is nil terminated (it should be...) */
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char * tmp = malloc(p->size + 1);
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memcpy(tmp, p->data, p->size);
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tmp[p->size] = '\0';
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update_message(tmp+1);
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free(tmp);
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} else {
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/* Make sure message is nil terminated (it should be...) */
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char * tmp = malloc(p->size + 1);
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memcpy(tmp, p->data, p->size);
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tmp[p->size] = '\0';
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update_message(tmp);
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free(tmp);
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}
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}
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}
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return 0;
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}
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