X-Git-Url: https://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=puffcrash.git;a=blobdiff_plain;f=puffcrash.c;h=b043db7fd7887d0ce3cbc43908f95beebc34028c;hp=3419f8ab98151f099f7706f13597a6ddff242e90;hb=HEAD;hpb=46f0819c5086050816c326aa3d5c97a31ad02344

diff --git a/puffcrash.c b/puffcrash.c
index 3419f8a..b043db7 100644
--- a/puffcrash.c
+++ b/puffcrash.c
@@ -15,9 +15,155 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <limits.h>
+#include <signal.h>
+
+#define LINE_SIZE 4096
+
+struct config {
+	char *obj_path;
+	char *tool_path;
+	char *src_path;
+	FILE *conf;
+	FILE *term;
+} *gcfg;
+
+struct sigaction sigact;
+static void sigh(int);
+static void sigc(void);
+
+static void __dead
+usage(void)
+{
+	fprintf(stderr, "usage: puffcrash [-c config] [serial console log]\n");
+	exit(1);
+}
+
+void
+sigh(int sig)
+{
+	if (sig == SIGINT) sigc();
+}
+
+void
+sigc(void)
+{
+	if (gcfg->obj_path) free(gcfg->obj_path);
+	if (gcfg->tool_path) free(gcfg->tool_path);
+	if (gcfg->src_path) free(gcfg->src_path);
+
+	if (gcfg->conf) fclose(gcfg->conf);
+	if (gcfg->term && gcfg->term != stdin) fclose(gcfg->term);
+
+	exit(1);
+}
+
+int
+parse_config(char *config_path, struct config *cfg)
+{
+	char *line, *i;
+	int check = 0;
+
+	cfg->conf = fopen(config_path, "r");
+
+	if(!(line = calloc(1, 256)) || !cfg->conf)
+	    return 1;
+
+	while ((fgets(line, 256, cfg->conf))) {
+	    if (strstr(line, "obj_path")) {
+		i = strstr(line, "=") + 2;
+		strlcpy(cfg->obj_path, i, PATH_MAX);
+		check |= (1 << 0);
+	    } else if (strstr(line, "tool_path")) {
+		i = strstr(line, "=") + 2;
+		strlcpy(cfg->tool_path, i, PATH_MAX);
+		check |= (1 << 1);
+	    } else if (strstr(line, "src_path")) {
+		i = strstr(line, "=") + 2;
+		strlcpy(cfg->src_path, i, PATH_MAX);
+		check |= (1 << 2);
+	    }
+	}
+
+	free(line);
+
+	if (check == 0x7)
+	    return 0;
+	else
+	    return 1;
+}
+
+void
+watch_serial(void)
+{
+	char *line;
+
+	if (!(line = calloc(1, LINE_SIZE))) {
+	    printf("could not allocate memory\n");
+	    sigc();
+	}
+
+	while ((fgets(line, LINE_SIZE, gcfg->term))) {
+	    printf("%s", line);
+	}
+}
 
 int
 main(int argc, char *argv[])
 {
+	struct config cfg;
+	int ch;
+	char term_path[PATH_MAX], config_path[PATH_MAX];
+
+	bzero(&cfg, sizeof(struct config));
+	strlcpy(config_path, "/etc/puffcrash.conf", PATH_MAX);
+
+	atexit(sigc);
+	sigact.sa_handler = sigh;
+	sigemptyset(&sigact.sa_mask);
+	sigact.sa_flags = 0;
+	sigaction(SIGINT, &sigact, (struct sigaction *) NULL);
+
+	while ((ch = getopt(argc, argv, "c:")) != -1) {
+	    switch (ch) {
+	    case 'c':
+		strlcpy(config_path, optarg, PATH_MAX);
+		break;
+	    default:
+		usage();
+		break;
+	    }
+	}
+
+	argv += optind;
+	argc -= optind;
+
+	cfg.obj_path  = calloc(1, PATH_MAX);
+	cfg.tool_path = calloc(1, PATH_MAX);
+	cfg.src_path  = calloc(1, PATH_MAX);
+
+	gcfg = &cfg;
+
+	if (parse_config(config_path, &cfg)) {
+	    printf("failed to parse config file %s.\n", config_path);
+	    sigc();
+	}
+
+	if (argc) {
+	    strlcpy(term_path, argv[0], PATH_MAX);
+	    cfg.term = fopen(term_path, "r");
+	} else
+	    cfg.term = stdin;
+
+	if (!cfg.term) {
+	    printf("failed to open serial console output logfile \"%s\"\n", argv[0]);
+	    sigc();
+	}
+
+	watch_serial();
+
 	return 0;
 }