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gluon-status-page: fix c indentation

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This commit is contained in:
Jan-Niklas Burfeind 2023-01-03 16:10:54 +01:00
parent 10613b9e52
commit 9c023fba57
1 changed files with 75 additions and 75 deletions
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150
package/gluon-status-page/src/stations.c
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@ -12,115 +12,115 @@
#define LOWERGLOB_SUFFIX "/lower_*" #define LOWERGLOB_SUFFIX "/lower_*"
static struct json_object *get_stations(const struct iwinfo_ops *iw, const char *ifname) { static struct json_object *get_stations(const struct iwinfo_ops *iw, const char *ifname) {
int len; int len;
char buf[IWINFO_BUFSIZE]; char buf[IWINFO_BUFSIZE];
struct json_object *stations = json_object_new_object(); struct json_object *stations = json_object_new_object();
if (iw->assoclist(ifname, buf, &len) == -1) if (iw->assoclist(ifname, buf, &len) == -1)
return stations; return stations;
// This is just: for entry in assoclist(ifname) // This is just: for entry in assoclist(ifname)
for (struct iwinfo_assoclist_entry *entry = (struct iwinfo_assoclist_entry *)buf; for (struct iwinfo_assoclist_entry *entry = (struct iwinfo_assoclist_entry *)buf;
(char*)(entry+1) <= buf + len; entry++) { (char*)(entry+1) <= buf + len; entry++) {
struct json_object *station = json_object_new_object(); struct json_object *station = json_object_new_object();
json_object_object_add(station, "signal", json_object_new_int(entry->signal)); json_object_object_add(station, "signal", json_object_new_int(entry->signal));
json_object_object_add(station, "noise", json_object_new_int(entry->noise)); json_object_object_add(station, "noise", json_object_new_int(entry->noise));
json_object_object_add(station, "inactive", json_object_new_int(entry->inactive)); json_object_object_add(station, "inactive", json_object_new_int(entry->inactive));
char macstr[18]; char macstr[18];
snprintf(macstr, sizeof(macstr), "%02x:%02x:%02x:%02x:%02x:%02x", snprintf(macstr, sizeof(macstr), "%02x:%02x:%02x:%02x:%02x:%02x",
entry->mac[0], entry->mac[1], entry->mac[2], entry->mac[0], entry->mac[1], entry->mac[2],
entry->mac[3], entry->mac[4], entry->mac[5]); entry->mac[3], entry->mac[4], entry->mac[5]);
json_object_object_add(stations, macstr, station); json_object_object_add(stations, macstr, station);
} }
return stations; return stations;
} }
static void badrequest() { static void badrequest() {
printf("Status: 400 Bad Request\n\n"); printf("Status: 400 Bad Request\n\n");
exit(1); exit(1);
} }
// recurse down to the lowest layer-2 interface // recurse down to the lowest layer-2 interface
static int interface_get_lowest(const char *ifname, char *hwifname); static int interface_get_lowest(const char *ifname, char *hwifname);
static int interface_get_lowest(const char *ifname, char *hwifname) { static int interface_get_lowest(const char *ifname, char *hwifname) {
glob_t globbuf; glob_t globbuf;
char *fnamebuf = alloca(1 + strlen(VIRTIF_PREFIX) + IF_NAMESIZE + char *fnamebuf = alloca(1 + strlen(VIRTIF_PREFIX) + IF_NAMESIZE +
strlen(LOWERGLOB_SUFFIX)); strlen(LOWERGLOB_SUFFIX));
char *lowentry = NULL; char *lowentry = NULL;
sprintf(fnamebuf, "%s%s%s", VIRTIF_PREFIX, ifname, LOWERGLOB_SUFFIX); sprintf(fnamebuf, "%s%s%s", VIRTIF_PREFIX, ifname, LOWERGLOB_SUFFIX);
glob(fnamebuf, GLOB_NOSORT | GLOB_NOESCAPE, NULL, &globbuf); glob(fnamebuf, GLOB_NOSORT | GLOB_NOESCAPE, NULL, &globbuf);
if (globbuf.gl_pathc == 1) { if (globbuf.gl_pathc == 1) {
lowentry = alloca(1 + strlen(globbuf.gl_pathv[0])); lowentry = alloca(1 + strlen(globbuf.gl_pathv[0]));
strncpy(lowentry, globbuf.gl_pathv[0], 1 + strlen(globbuf.gl_pathv[0])); strncpy(lowentry, globbuf.gl_pathv[0], 1 + strlen(globbuf.gl_pathv[0]));
} }
globfree(&globbuf); globfree(&globbuf);
if (!lowentry) { if (!lowentry) {
char *path = alloca(1 + strlen(NETIF_PREFIX) + strlen(ifname)); char *path = alloca(1 + strlen(NETIF_PREFIX) + strlen(ifname));
sprintf(path, "%s%s", NETIF_PREFIX, ifname); sprintf(path, "%s%s", NETIF_PREFIX, ifname);
if(access(path, F_OK) != 0) if(access(path, F_OK) != 0)
return false; return false;
strncpy(hwifname, ifname, IF_NAMESIZE - 1); strncpy(hwifname, ifname, IF_NAMESIZE - 1);
return true; return true;
} else { } else {
char buf[PATH_MAX]; char buf[PATH_MAX];
ssize_t len; ssize_t len;
if ((len = readlink(lowentry, buf, sizeof(buf)-1)) != -1) if ((len = readlink(lowentry, buf, sizeof(buf)-1)) != -1)
buf[len] = '\0'; buf[len] = '\0';
else else
return false; return false;
if (strncmp(buf, "../", 3) == 0) { if (strncmp(buf, "../", 3) == 0) {
return interface_get_lowest(strrchr(buf, '/') + 1, hwifname); return interface_get_lowest(strrchr(buf, '/') + 1, hwifname);
} else { } else {
return false; return false;
} }
} }
} }
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
if (argc != 2) if (argc != 2)
badrequest(); badrequest();
const char *ifname = argv[1]; const char *ifname = argv[1];
char hwifname[IF_NAMESIZE] = ""; char hwifname[IF_NAMESIZE] = "";
if (strlen(ifname) >= IF_NAMESIZE) if (strlen(ifname) >= IF_NAMESIZE)
badrequest(); badrequest();
if (strcspn(ifname, "/\\[]{}*?") != strlen(ifname)) if (strcspn(ifname, "/\\[]{}*?") != strlen(ifname))
badrequest(); badrequest();
if (!interface_get_lowest(ifname, hwifname)) if (!interface_get_lowest(ifname, hwifname))
badrequest(); badrequest();
const struct iwinfo_ops *iw = iwinfo_backend(hwifname); const struct iwinfo_ops *iw = iwinfo_backend(hwifname);
if (iw == NULL) if (iw == NULL)
badrequest(); badrequest();
printf("Content-type: text/event-stream\n\n"); printf("Content-type: text/event-stream\n\n");
while (true) { while (true) {
struct json_object *obj; struct json_object *obj;
obj = get_stations(iw, hwifname); obj = get_stations(iw, hwifname);
printf("data: %s\n\n", json_object_to_json_string_ext(obj, JSON_C_TO_STRING_PLAIN)); printf("data: %s\n\n", json_object_to_json_string_ext(obj, JSON_C_TO_STRING_PLAIN));
fflush(stdout); fflush(stdout);
json_object_put(obj); json_object_put(obj);
usleep(150000); usleep(150000);
} }
return 0; return 0;
} }