diff --git a/.suckless/slstatus/components/volume.c b/.suckless/slstatus/components/volume.c new file mode 100644 index 0000000..6cec556 --- /dev/null +++ b/.suckless/slstatus/components/volume.c @@ -0,0 +1,219 @@ +/* See LICENSE file for copyright and license details. */ +#include +#include +#include +#include +#include + +#include "../slstatus.h" +#include "../util.h" + +#if defined(__OpenBSD__) | defined(__FreeBSD__) + #include + #include + #include + #include + + 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 + + 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 diff --git a/.suckless/slstatus/components/volume.o b/.suckless/slstatus/components/volume.o new file mode 100644 index 0000000..9328f11 Binary files /dev/null and b/.suckless/slstatus/components/volume.o differ diff --git a/.suckless/slstatus/components/wifi.c b/.suckless/slstatus/components/wifi.c new file mode 100644 index 0000000..23af201 --- /dev/null +++ b/.suckless/slstatus/components/wifi.c @@ -0,0 +1,413 @@ +/* See LICENSE file for copyright and license details. */ +#include +#include +#include +#include +#include +#include + +#include "../slstatus.h" +#include "../util.h" + +#define RSSI_TO_PERC(rssi) \ + rssi >= -50 ? 100 : \ + (rssi <= -100 ? 0 : \ + (2 * (rssi + 100))) + +#if defined(__linux__) + #include + #include + #include + #include + #include + + 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 + #include + #include + #include /* before for NBBY */ + #include + #include + #include + + 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 + #include + + 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 diff --git a/.suckless/slstatus/components/wifi.o b/.suckless/slstatus/components/wifi.o new file mode 100644 index 0000000..4d63335 Binary files /dev/null and b/.suckless/slstatus/components/wifi.o differ