Upload files to ".suckless/slstatus/components"

.suckless/slstatus/components/volume.c

@@ -0,0 +1,219 @@
+/* See LICENSE file for copyright and license details. */
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+#if defined(__OpenBSD__) | defined(__FreeBSD__)
+	#include <poll.h>
+	#include <sndio.h>
+	#include <stdlib.h>
+	#include <sys/queue.h>
+
+	struct control {
+		LIST_ENTRY(control)	next;
+		unsigned int		addr;
+	#define CTRL_NONE	0
+	#define CTRL_LEVEL	1
+	#define CTRL_MUTE	2
+		unsigned int		type;
+		unsigned int		maxval;
+		unsigned int		val;
+	};
+
+	static LIST_HEAD(, control) controls = LIST_HEAD_INITIALIZER(controls);
+	static struct pollfd *pfds;
+	static struct sioctl_hdl *hdl;
+	static int initialized;
+
+	/*
+	 * Call-back to obtain the description of all audio controls.
+	 */
+	static void
+	ondesc(void *unused, struct sioctl_desc *desc, int val)
+	{
+		struct control *c, *ctmp;
+		unsigned int type = CTRL_NONE;
+
+		if (desc == NULL)
+			return;
+
+		/* Delete existing audio control with the same address. */
+		LIST_FOREACH_SAFE(c, &controls, next, ctmp) {
+			if (desc->addr == c->addr) {
+				LIST_REMOVE(c, next);
+				free(c);
+				break;
+			}
+		}
+
+		/* Only match output.level and output.mute audio controls. */
+		if (desc->group[0] != 0 ||
+		    strcmp(desc->node0.name, "output") != 0)
+			return;
+		if (desc->type == SIOCTL_NUM &&
+		    strcmp(desc->func, "level") == 0)
+			type = CTRL_LEVEL;
+		else if (desc->type == SIOCTL_SW &&
+			 strcmp(desc->func, "mute") == 0)
+			type = CTRL_MUTE;
+		else
+			return;
+
+		c = malloc(sizeof(struct control));
+		if (c == NULL) {
+			warn("sndio: failed to allocate audio control\n");
+			return;
+		}
+
+		c->addr = desc->addr;
+		c->type = type;
+		c->maxval = desc->maxval;
+		c->val = val;
+		LIST_INSERT_HEAD(&controls, c, next);
+	}
+
+	/*
+	 * Call-back invoked whenever an audio control changes.
+	 */
+	static void
+	onval(void *unused, unsigned int addr, unsigned int val)
+	{
+		struct control *c;
+
+		LIST_FOREACH(c, &controls, next) {
+			if (c->addr == addr)
+				break;
+		}
+		c->val = val;
+	}
+
+	static void
+	cleanup(void)
+	{
+		struct control *c;
+
+		if (hdl) {
+			sioctl_close(hdl);
+			hdl = NULL;
+		}
+
+		free(pfds);
+		pfds = NULL;
+
+		while (!LIST_EMPTY(&controls)) {
+			c = LIST_FIRST(&controls);
+			LIST_REMOVE(c, next);
+			free(c);
+		}
+	}
+
+	static int
+	init(void)
+	{
+		hdl = sioctl_open(SIO_DEVANY, SIOCTL_READ, 0);
+		if (hdl == NULL) {
+			warn("sndio: cannot open device");
+			goto failed;
+		}
+
+		if (!sioctl_ondesc(hdl, ondesc, NULL)) {
+			warn("sndio: cannot set control description call-back");
+			goto failed;
+		}
+
+		if (!sioctl_onval(hdl, onval, NULL)) {
+			warn("sndio: cannot set control values call-back");
+			goto failed;
+		}
+
+		pfds = calloc(sioctl_nfds(hdl), sizeof(struct pollfd));
+		if (pfds == NULL) {
+			warn("sndio: cannot allocate pollfd structures");
+			goto failed;
+		}
+
+		return 1;
+	failed:
+		cleanup();
+		return 0;
+	}
+
+	const char *
+	vol_perc(const char *unused)
+	{
+		struct control *c;
+		int n, v, value;
+
+		if (!initialized)
+			initialized = init();
+
+		if (hdl == NULL)
+			return NULL;
+
+		n = sioctl_pollfd(hdl, pfds, POLLIN);
+		if (n > 0) {
+			n = poll(pfds, n, 0);
+			if (n > 0) {
+				if (sioctl_revents(hdl, pfds) & POLLHUP) {
+					warn("sndio: disconnected");
+					cleanup();
+					initialized = 0;
+					return NULL;
+				}
+			}
+		}
+
+		value = 100;
+		LIST_FOREACH(c, &controls, next) {
+			if (c->type == CTRL_MUTE && c->val == 1)
+				value = 0;
+			else if (c->type == CTRL_LEVEL) {
+				v = (c->val * 100 + c->maxval / 2) / c->maxval;
+				/* For multiple channels return the minimum. */
+				if (v < value)
+					value = v;
+			}
+		}
+
+		return bprintf("%d", value);
+	}
+#else
+	#include <sys/soundcard.h>
+
+	const char *
+	vol_perc(const char *card)
+	{
+		size_t i;
+		int v, afd, devmask;
+		char *vnames[] = SOUND_DEVICE_NAMES;
+
+		if ((afd = open(card, O_RDONLY | O_NONBLOCK)) < 0) {
+			warn("open '%s':", card);
+			return NULL;
+		}
+
+		if (ioctl(afd, (int)SOUND_MIXER_READ_DEVMASK, &devmask) < 0) {
+			warn("ioctl 'SOUND_MIXER_READ_DEVMASK':");
+			close(afd);
+			return NULL;
+		}
+		for (i = 0; i < LEN(vnames); i++) {
+			if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {
+				if (ioctl(afd, MIXER_READ(i), &v) < 0) {
+					warn("ioctl 'MIXER_READ(%ld)':", i);
+					close(afd);
+					return NULL;
+				}
+			}
+		}
+
+		close(afd);
+
+		return bprintf("%d", v & 0xff);
+	}
+#endif

.suckless/slstatus/components/wifi.c

@@ -0,0 +1,413 @@
+/* See LICENSE file for copyright and license details. */
+#include <ifaddrs.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+#define RSSI_TO_PERC(rssi) \
+			rssi >= -50 ? 100 : \
+			(rssi <= -100 ? 0 : \
+			(2 * (rssi + 100)))
+
+#if defined(__linux__)
+	#include <stdint.h>
+	#include <net/if.h>
+	#include <linux/netlink.h>
+	#include <linux/genetlink.h>
+	#include <linux/nl80211.h>
+
+	static int nlsock = -1;
+	static uint32_t seq = 1;
+	static char resp[4096];
+
+	static char *
+	findattr(int attr, const char *p, const char *e, size_t *len)
+	{
+		while (p < e) {
+			struct nlattr nla;
+			memcpy(&nla, p, sizeof(nla));
+			if (nla.nla_type == attr) {
+				*len = nla.nla_len - NLA_HDRLEN;
+				return (char *)(p + NLA_HDRLEN);
+			}
+			p += NLA_ALIGN(nla.nla_len);
+		}
+		return NULL;
+	}
+
+	static uint16_t
+	nl80211fam(void)
+	{
+		static const char family[] = "nl80211";
+		static uint16_t id;
+		ssize_t r;
+		size_t len;
+		char ctrl[NLMSG_HDRLEN+GENL_HDRLEN+NLA_HDRLEN+NLA_ALIGN(sizeof(family))] = {0}, *p = ctrl;
+
+		if (id)
+			return id;
+
+		memcpy(p, &(struct nlmsghdr){
+			.nlmsg_len = sizeof(ctrl),
+			.nlmsg_type = GENL_ID_CTRL,
+			.nlmsg_flags = NLM_F_REQUEST,
+			.nlmsg_seq = seq++,
+			.nlmsg_pid = 0,
+		}, sizeof(struct nlmsghdr));
+		p += NLMSG_HDRLEN;
+		memcpy(p, &(struct genlmsghdr){
+			.cmd = CTRL_CMD_GETFAMILY,
+			.version = 1,
+		}, sizeof(struct genlmsghdr));
+		p += GENL_HDRLEN;
+		memcpy(p, &(struct nlattr){
+			.nla_len = NLA_HDRLEN+sizeof(family),
+			.nla_type = CTRL_ATTR_FAMILY_NAME,
+		}, sizeof(struct nlattr));
+		p += NLA_HDRLEN;
+		memcpy(p, family, sizeof(family));
+
+		if (nlsock < 0)
+			nlsock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
+		if (nlsock < 0) {
+			warn("socket 'AF_NETLINK':");
+			return 0;
+		}
+		if (send(nlsock, ctrl, sizeof(ctrl), 0) != sizeof(ctrl)) {
+			warn("send 'AF_NETLINK':");
+			return 0;
+		}
+		r = recv(nlsock, resp, sizeof(resp), 0);
+		if (r < 0) {
+			warn("recv 'AF_NETLINK':");
+			return 0;
+		}
+		if ((size_t)r <= sizeof(ctrl))
+			return 0;
+		p = findattr(CTRL_ATTR_FAMILY_ID, resp + sizeof(ctrl), resp + r, &len);
+		if (p && len == 2)
+			memcpy(&id, p, 2);
+
+		return id;
+	}
+
+	static int
+	ifindex(const char *interface)
+	{
+		static struct ifreq ifr;
+		static int ifsock = -1;
+
+		if (ifsock < 0)
+			ifsock = socket(AF_UNIX, SOCK_DGRAM, 0);
+		if (ifsock < 0) {
+			warn("socket 'AF_UNIX':");
+			return -1;
+		}
+		if (strcmp(ifr.ifr_name, interface) != 0) {
+			strcpy(ifr.ifr_name, interface);
+			if (ioctl(ifsock, SIOCGIFINDEX, &ifr) != 0) {
+				warn("ioctl 'SIOCGIFINDEX':");
+				return -1;
+			}
+		}
+		return ifr.ifr_ifindex;
+	}
+
+	const char *
+	wifi_essid(const char *interface)
+	{
+		uint16_t fam = nl80211fam();
+		ssize_t r;
+		size_t len;
+		char req[NLMSG_HDRLEN+GENL_HDRLEN+NLA_HDRLEN+NLA_ALIGN(4)] = {0}, *p = req;
+		int idx = ifindex(interface);
+		if (!fam) {
+			fprintf(stderr, "nl80211 family not found\n");
+			return NULL;
+		}
+		if (idx < 0) {
+			fprintf(stderr, "interface %s not found\n", interface);
+			return NULL;
+		}
+
+		memcpy(p, &(struct nlmsghdr){
+			.nlmsg_len = sizeof(req),
+			.nlmsg_type = fam,
+			.nlmsg_flags = NLM_F_REQUEST,
+			.nlmsg_seq = seq++,
+			.nlmsg_pid = 0,
+		}, sizeof(struct nlmsghdr));
+		p += NLMSG_HDRLEN;
+		memcpy(p, &(struct genlmsghdr){
+			.cmd = NL80211_CMD_GET_INTERFACE,
+			.version = 1,
+		}, sizeof(struct genlmsghdr));
+		p += GENL_HDRLEN;
+		memcpy(p, &(struct nlattr){
+			.nla_len = NLA_HDRLEN+4,
+			.nla_type = NL80211_ATTR_IFINDEX,
+		}, sizeof(struct nlattr));
+		p += NLA_HDRLEN;
+		memcpy(p, &(uint32_t){idx}, 4);
+
+		if (send(nlsock, req, sizeof(req), 0) != sizeof(req)) {
+			warn("send 'AF_NETLINK':");
+			return NULL;
+		}
+		r = recv(nlsock, resp, sizeof(resp), 0);
+		if (r < 0) {
+			warn("recv 'AF_NETLINK':");
+			return NULL;
+		}
+
+		if ((size_t)r <= NLMSG_HDRLEN + GENL_HDRLEN)
+			return NULL;
+		p = findattr(NL80211_ATTR_SSID, resp + NLMSG_HDRLEN + GENL_HDRLEN, resp + r, &len);
+		if (p)
+			p[len] = 0;
+
+		return p;
+	}
+
+	const char *
+	wifi_perc(const char *interface)
+	{
+		static char strength[4];
+		struct nlmsghdr hdr;
+		uint16_t fam = nl80211fam();
+		ssize_t r;
+		size_t len;
+		char req[NLMSG_HDRLEN + GENL_HDRLEN + NLA_HDRLEN + NLA_ALIGN(4)] = {0}, *p = req, *e;
+		int idx = ifindex(interface);
+
+		if (idx < 0) {
+			fprintf(stderr, "interface %s not found\n", interface);
+			return NULL;
+		}
+
+		memcpy(p, &(struct nlmsghdr){
+			.nlmsg_len = sizeof(req),
+			.nlmsg_type = fam,
+			.nlmsg_flags = NLM_F_REQUEST|NLM_F_DUMP,
+			.nlmsg_seq = seq++,
+			.nlmsg_pid = 0,
+		}, sizeof(struct nlmsghdr));
+		p += NLMSG_HDRLEN;
+		memcpy(p, &(struct genlmsghdr){
+			.cmd = NL80211_CMD_GET_STATION,
+			.version = 1,
+		}, sizeof(struct genlmsghdr));
+		p += GENL_HDRLEN;
+		memcpy(p, &(struct nlattr){
+			.nla_len = NLA_HDRLEN + 4,
+			.nla_type = NL80211_ATTR_IFINDEX,
+		}, sizeof(struct nlattr));
+		p += NLA_HDRLEN;
+		memcpy(p, &idx, 4);
+
+		if (send(nlsock, req, sizeof(req), 0) != sizeof(req)) {
+			warn("send 'AF_NETLINK':");
+			return NULL;
+		}
+
+		*strength = 0;
+		while (1) {
+			r = recv(nlsock, resp, sizeof(resp), 0);
+			if (r < 0) {
+				warn("recv 'AF_NETLINK':");
+				return NULL;
+			}
+			if ((size_t)r < sizeof(hdr))
+				return NULL;
+
+			for (p = resp; p != resp + r && (size_t)(resp + r-p) >= sizeof(hdr); p = e) {
+				memcpy(&hdr, p, sizeof(hdr));
+				e = resp + r - p < hdr.nlmsg_len ? resp + r : p + hdr.nlmsg_len;
+
+				if (!*strength && hdr.nlmsg_len > NLMSG_HDRLEN+GENL_HDRLEN) {
+					p += NLMSG_HDRLEN+GENL_HDRLEN;
+					p = findattr(NL80211_ATTR_STA_INFO, p, e, &len);
+					if (p)
+						p = findattr(NL80211_STA_INFO_SIGNAL_AVG, p, e, &len);
+					if (p && len == 1)
+						snprintf(strength, sizeof(strength), "%d", RSSI_TO_PERC(*p));
+				}
+				if (hdr.nlmsg_type == NLMSG_DONE)
+					return *strength ? strength : NULL;
+			}
+		}
+	}
+#elif defined(__OpenBSD__)
+	#include <net/if.h>
+	#include <net/if_media.h>
+	#include <net80211/ieee80211.h>
+	#include <sys/select.h> /* before <sys/ieee80211_ioctl.h> for NBBY */
+	#include <net80211/ieee80211_ioctl.h>
+	#include <stdlib.h>
+	#include <sys/types.h>
+
+	static int
+	load_ieee80211_nodereq(const char *interface, struct ieee80211_nodereq *nr)
+	{
+		struct ieee80211_bssid bssid;
+		int sockfd;
+		uint8_t zero_bssid[IEEE80211_ADDR_LEN];
+
+		memset(&bssid, 0, sizeof(bssid));
+		memset(nr, 0, sizeof(struct ieee80211_nodereq));
+		if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+			warn("socket 'AF_INET':");
+			return 0;
+		}
+		strlcpy(bssid.i_name, interface, sizeof(bssid.i_name));
+		if ((ioctl(sockfd, SIOCG80211BSSID, &bssid)) < 0) {
+			warn("ioctl 'SIOCG80211BSSID':");
+			close(sockfd);
+			return 0;
+		}
+		memset(&zero_bssid, 0, sizeof(zero_bssid));
+		if (memcmp(bssid.i_bssid, zero_bssid,
+		    IEEE80211_ADDR_LEN) == 0) {
+			close(sockfd);
+			return 0;
+		}
+		strlcpy(nr->nr_ifname, interface, sizeof(nr->nr_ifname));
+		memcpy(&nr->nr_macaddr, bssid.i_bssid, sizeof(nr->nr_macaddr));
+		if ((ioctl(sockfd, SIOCG80211NODE, nr)) < 0 && nr->nr_rssi) {
+			warn("ioctl 'SIOCG80211NODE':");
+			close(sockfd);
+			return 0;
+		}
+
+		return close(sockfd), 1;
+	}
+
+	const char *
+	wifi_perc(const char *interface)
+	{
+		struct ieee80211_nodereq nr;
+		int q;
+
+		if (load_ieee80211_nodereq(interface, &nr)) {
+			if (nr.nr_max_rssi)
+				q = IEEE80211_NODEREQ_RSSI(&nr);
+			else
+				q = RSSI_TO_PERC(nr.nr_rssi);
+
+			return bprintf("%d", q);
+		}
+
+		return NULL;
+	}
+
+	const char *
+	wifi_essid(const char *interface)
+	{
+		struct ieee80211_nodereq nr;
+
+		if (load_ieee80211_nodereq(interface, &nr))
+			return bprintf("%s", nr.nr_nwid);
+
+		return NULL;
+	}
+#elif defined(__FreeBSD__)
+	#include <net/if.h>
+	#include <net80211/ieee80211_ioctl.h>
+
+	int
+	load_ieee80211req(int sock, const char *interface, void *data, int type, size_t *len)
+	{
+		char warn_buf[256];
+		struct ieee80211req ireq;
+		memset(&ireq, 0, sizeof(ireq));
+		ireq.i_type = type;
+		ireq.i_data = (caddr_t) data;
+		ireq.i_len = *len;
+
+		strlcpy(ireq.i_name, interface, sizeof(ireq.i_name));
+		if (ioctl(sock, SIOCG80211, &ireq) < 0) {
+			snprintf(warn_buf,  sizeof(warn_buf),
+					"ioctl: 'SIOCG80211': %d", type);
+			warn(warn_buf);
+			return 0;
+		}
+
+		*len = ireq.i_len;
+		return 1;
+	}
+
+	const char *
+	wifi_perc(const char *interface)
+	{
+		union {
+			struct ieee80211req_sta_req sta;
+			uint8_t buf[24 * 1024];
+		} info;
+		uint8_t bssid[IEEE80211_ADDR_LEN];
+		int rssi_dbm;
+		int sockfd;
+		size_t len;
+		const char *fmt;
+
+		if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+			warn("socket 'AF_INET':");
+			return NULL;
+		}
+
+		/* Retreive MAC address of interface */
+		len = IEEE80211_ADDR_LEN;
+		fmt = NULL;
+		if (load_ieee80211req(sockfd, interface, &bssid, IEEE80211_IOC_BSSID, &len))
+		{
+			/* Retrieve info on station with above BSSID */
+			memset(&info, 0, sizeof(info));
+			memcpy(info.sta.is_u.macaddr, bssid, sizeof(bssid));
+
+			len = sizeof(info);
+			if (load_ieee80211req(sockfd, interface, &info, IEEE80211_IOC_STA_INFO, &len)) {
+				rssi_dbm = info.sta.info[0].isi_noise +
+ 					         info.sta.info[0].isi_rssi / 2;
+
+				fmt = bprintf("%d", RSSI_TO_PERC(rssi_dbm));
+			}
+		}
+
+		close(sockfd);
+		return fmt;
+	}
+
+	const char *
+	wifi_essid(const char *interface)
+	{
+		char ssid[IEEE80211_NWID_LEN + 1];
+		size_t len;
+		int sockfd;
+		const char *fmt;
+
+		if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+			warn("socket 'AF_INET':");
+			return NULL;
+		}
+
+		fmt = NULL;
+		len = sizeof(ssid);
+		memset(&ssid, 0, len);
+		if (load_ieee80211req(sockfd, interface, &ssid, IEEE80211_IOC_SSID, &len)) {
+			if (len < sizeof(ssid))
+				len += 1;
+			else
+				len = sizeof(ssid);
+
+			ssid[len - 1] = '\0';
+			fmt = bprintf("%s", ssid);
+		}
+
+		close(sockfd);
+		return fmt;
+	}
+#endif