// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Read and parse syslinux config file.
//
// return:
// 0: ok, 1: error
//
int read_config_file(void)
{
FILE *f;
char *s, *t, buf[MAX_CONFIG_LINE_LEN];
unsigned u, menu_idx = 0, label_size = 0, append_size = 0;
menu_t *menu_ptr = NULL, **menu_next = &menu;
menu_default = calloc(1, sizeof *menu_default);
if(!(f = fopen(syslinux_config_file(), "r"))) return 1;
while((s = fgets(buf, sizeof buf, f))) {
chop_line(s);
s = skip_spaces(s);
if(!*s || *s == '#') continue;
t = skip_nonspaces(s);
if(*t) *t++ = 0;
t = skip_spaces(t);
if(!strcasecmp(s, "timeout")) {
timeout = atoi(t);
continue;
}
if(!strcasecmp(s, "default")) {
menu_default->label = strdup(t);
u = strlen(t);
if(u > label_size) label_size = u;
continue;
}
if(!strcasecmp(s, "label")) {
menu_ptr = *menu_next = calloc(1, sizeof **menu_next);
menu_next = &menu_ptr->next;
menu_idx++;
menu_ptr->label = menu_ptr->menu_label = strdup(t);
u = strlen(t);
if(u > label_size) label_size = u;
continue;
}
if(!strcasecmp(s, "kernel") && menu_ptr) {
menu_ptr->kernel = strdup(t);
continue;
}
if(!strcasecmp(s, "linux") && menu_ptr) {
menu_ptr->linux = strdup(t);
continue;
}
if(!strcasecmp(s, "localboot") && menu_ptr) {
menu_ptr->localboot = strdup(t);
continue;
}
if(!strcasecmp(s, "initrd") && menu_ptr) {
menu_ptr->initrd = strdup(t);
continue;
}
if(!strcasecmp(s, "append")) {
(menu_ptr ?: menu_default)->append = strdup(t);
u = strlen(t);
if(u > append_size) append_size = u;
continue;
}
if(!strcasecmp(s, "ipappend")) {
(menu_ptr ?: menu_default)->ipappend = strdup(t);
continue;
}
/* Print the syslinux config file name
*/
void rosh_cfg(void)
{
printf("CFG: '%s'\n", syslinux_config_file());
} /* rosh_cfg */
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Read and parse syslinux config file.
//
// return:
// 0: ok, 1: error
//
int read_config_file(const char *filename)
{
FILE *f;
char *s, *t, buf[MAX_CONFIG_LINE_LEN];
unsigned u, top_level = 0, text = 0;
if(!strcmp(filename, "~")) {
top_level = 1;
filename = syslinux_config_file();
gfx_menu.entries = 0;
gfx_menu.label_size = 0;
gfx_menu.arg_size = 0;
menu_ptr = NULL;
menu_next = &menu;
menu_default = calloc(1, sizeof *menu_default);
}
if(!(f = fopen(filename, "r"))) return 1;
while((s = fgets(buf, sizeof buf, f))) {
chop_line(s);
s = skipspace(s);
if(!*s || *s == '#') continue;
t = skip_nonspaces(s);
if(*t) *t++ = 0;
t = skipspace(t);
if(!strcasecmp(s, "endtext")) {
text = 0;
continue;
}
if (text)
continue;
if(!strcasecmp(s, "timeout")) {
timeout = atoi(t);
continue;
}
if(!strcasecmp(s, "default")) {
menu_default->label = strdup(t);
u = strlen(t);
if(u > gfx_menu.label_size) gfx_menu.label_size = u;
continue;
}
if(!strcasecmp(s, "label")) {
menu_ptr = *menu_next = calloc(1, sizeof **menu_next);
menu_next = &menu_ptr->next;
gfx_menu.entries++;
menu_ptr->label = menu_ptr->menu_label = strdup(t);
u = strlen(t);
if(u > gfx_menu.label_size) gfx_menu.label_size = u;
continue;
}
if(!strcasecmp(s, "kernel") && menu_ptr) {
menu_ptr->kernel = strdup(t);
continue;
}
if(!strcasecmp(s, "linux") && menu_ptr) {
menu_ptr->linux = strdup(t);
continue;
}
if(!strcasecmp(s, "localboot") && menu_ptr) {
menu_ptr->localboot = strdup(t);
continue;
}
if(!strcasecmp(s, "initrd") && menu_ptr) {
menu_ptr->initrd = strdup(t);
continue;
}
if(!strcasecmp(s, "append")) {
(menu_ptr ?: menu_default)->append = strdup(t);
u = strlen(t);
if(u > gfx_menu.arg_size) gfx_menu.arg_size = u;
continue;
}
if(!strcasecmp(s, "ipappend")) {
(menu_ptr ?: menu_default)->ipappend = strdup(t);
continue;
}
static struct match *parse_config(const char *filename)
{
char line[MAX_LINE], *p;
FILE *f;
struct match *list = NULL;
struct match **ep = &list;
struct match *m;
if (!filename)
filename = syslinux_config_file();
f = fopen(filename, "r");
if (!f)
return list;
while (fgets(line, sizeof line, f)) {
p = skipspace(line);
if (!looking_at(p, "#"))
continue;
p = skipspace(p + 1);
if (!looking_at(p, "dev"))
continue;
p = skipspace(p + 3);
m = malloc(sizeof(struct match));
if (!m)
continue;
memset(m, 0, sizeof *m);
m->rid_max = 0xff;
for (;;) {
p = skipspace(p);
if (looking_at(p, "did")) {
p = get_did(p + 3, &m->did, &m->did_mask);
} else if (looking_at(p, "sid")) {
p = get_did(p + 3, &m->sid, &m->sid_mask);
} else if (looking_at(p, "rid")) {
p = get_rid_range(p + 3, &m->rid_min, &m->rid_max);
} else {
char *e;
e = strchr(p, '\n');
if (*e)
*e = '\0';
e = strchr(p, '\r');
if (*e)
*e = '\0';
m->filename = strdup(p);
if (!m->filename)
m->did = -1;
break; /* Done with this line */
}
}
dprintf("DEV DID %08x/%08x SID %08x/%08x RID %02x-%02x CMD %s\n",
m->did, m->did_mask, m->sid, m->sid_mask,
m->rid_min, m->rid_max, m->filename);
*ep = m;
ep = &m->next;
}
return list;
}
