1 // vim:ts=4:sw=4:expandtab
7 #include <sys/socket.h>
9 #include <netinet/in.h>
10 #include <arpa/inet.h>
11 #include <yajl/yajl_gen.h>
12 #include <yajl/yajl_version.h>
17 #include <linux/ethtool.h>
18 #include <linux/sockios.h>
19 #define PART_ETHSPEED "E: %s (%d Mbit/s)"
22 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
23 #include <net/if_media.h>
24 #define IFM_TYPE_MATCH(dt, t) \
25 (IFM_TYPE((dt)) == 0 || IFM_TYPE((dt)) == IFM_TYPE((t)))
27 #define PART_ETHSPEED "E: %s (%s)"
30 #if defined(__OpenBSD__) || defined(__NetBSD__)
32 #include <net/if_media.h>
35 static int print_eth_speed(char *outwalk, const char *interface) {
37 /* This code path requires root privileges */
40 struct ethtool_cmd ecmd;
42 ecmd.cmd = ETHTOOL_GSET;
43 (void)memset(&ifr, 0, sizeof(ifr));
44 ifr.ifr_data = (caddr_t)&ecmd;
45 (void)strcpy(ifr.ifr_name, interface);
46 if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0) {
47 ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed);
48 return sprintf(outwalk, "%d Mbit/s", ethspeed);
50 return sprintf(outwalk, "?");
51 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
53 struct ifmediareq ifm;
54 (void)memset(&ifm, 0, sizeof(ifm));
55 (void)strncpy(ifm.ifm_name, interface, sizeof(ifm.ifm_name));
56 if (ioctl(general_socket, SIOCGIFMEDIA, (caddr_t)&ifm) < 0) {
57 return sprintf(outwalk, "?");
60 /* Get the description of the media type, partially taken from
61 * FreeBSD's ifconfig */
62 const struct ifmedia_description *desc;
63 struct ifmedia_description ifm_subtype_descriptions[] =
64 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
66 for (desc = ifm_subtype_descriptions;
67 desc->ifmt_string != NULL;
69 if (IFM_TYPE_MATCH(desc->ifmt_word, ifm.ifm_active) &&
70 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(ifm.ifm_active))
73 ethspeed = (desc->ifmt_string != NULL ? desc->ifmt_string : "?");
74 return sprintf(outwalk, "%s", ethspeed);
75 #elif defined(__OpenBSD__) || defined(__NetBSD__)
77 struct ifmediareq ifmr;
79 (void)memset(&ifmr, 0, sizeof(ifmr));
80 (void)strlcpy(ifmr.ifm_name, interface, sizeof(ifmr.ifm_name));
82 if (ioctl(general_socket, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
84 return sprintf(outwalk, "?");
87 struct ifmedia_description *desc;
88 struct ifmedia_description ifm_subtype_descriptions[] =
89 IFM_SUBTYPE_DESCRIPTIONS;
91 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; desc++) {
93 * Skip these non-informative values and go right ahead to the
96 if (BEGINS_WITH(desc->ifmt_string, "autoselect") ||
97 BEGINS_WITH(desc->ifmt_string, "auto"))
100 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmr.ifm_active) &&
101 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(ifmr.ifm_active))
104 ethspeed = (desc->ifmt_string != NULL ? desc->ifmt_string : "?");
105 return sprintf(outwalk, "%s", ethspeed);
108 return sprintf(outwalk, "?");
113 * Combines ethernet IP addresses and speed (if requested) for displaying
116 void print_eth_info(yajl_gen json_gen, char *buffer, const char *interface, const char *format_up, const char *format_down) {
118 const char *ip_address = get_ip_addr(interface);
119 char *outwalk = buffer;
123 if (ip_address == NULL) {
124 START_COLOR("color_bad");
125 outwalk += sprintf(outwalk, "%s", format_down);
129 START_COLOR("color_good");
131 for (walk = format_up; *walk != '\0'; walk++) {
133 *(outwalk++) = *walk;
137 if (BEGINS_WITH(walk + 1, "ip")) {
138 outwalk += sprintf(outwalk, "%s", ip_address);
139 walk += strlen("ip");
140 } else if (BEGINS_WITH(walk + 1, "speed")) {
141 outwalk += print_eth_speed(outwalk, interface);
142 walk += strlen("speed");
148 OUTPUT_FULL_TEXT(buffer);