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Added IPv6 address function

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- Renamed "ip" function to "ipv4"
- Added "ipv6" function
- Adjusted README and config.def.h accordingly
This commit is contained in:
Aaron Marcher 2017-08-14 18:00:46 +02:00
parent fcc5c683a6
commit 8f5219b6da
No known key found for this signature in database
GPG Key ID: 74B048E5C2474F9A
3 changed files with 39 additions and 6 deletions
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2
README
View File

@ -15,7 +15,7 @@ Features
- Available entropy
- Username/GID/UID
- Hostname
- IP address
- IP address (IPv4 and IPv6)
- Kernel version
- Keyboard indicators
- Load average

3
config.def.h
View File

@ -25,7 +25,8 @@ static const char unknown_str[] = "n/a";
* entropy available entropy NULL
* gid GID of current user NULL
* hostname hostname NULL
* ip IPv4 address interface name
* ipv4 IPv4 address interface name
* ipv6 IPv6 address interface name
* kernel_release `uname -r` NULL
* keyboard_indicators caps/num lock indicators NULL
* load_avg load average NULL

40
slstatus.c
View File

@ -48,7 +48,8 @@ static const char *disk_used(const char *mnt);
static const char *entropy(void);
static const char *gid(void);
static const char *hostname(void);
static const char *ip(const char *iface);
static const char *ipv4(const char *iface);
static const char *ipv6(const char *iface);
static const char *kernel_release(void);
static const char *keyboard_indicators(void);
static const char *load_avg(void);
@ -294,14 +295,14 @@ hostname(void)
}
static const char *
ip(const char *iface)
ipv4(const char *iface)
{
struct ifaddrs *ifaddr, *ifa;
int s;
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
warn("Failed to get IP address for interface %s", iface);
warn("Failed to get IPv4 address for interface %s", iface);
return unknown_str;
}
@ -312,7 +313,38 @@ ip(const char *iface)
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
warnx("Failed to get IP address for interface %s", iface);
warnx("Failed to get IPv4 address for interface %s", iface);
return unknown_str;
}
return bprintf("%s", host);
}
}
freeifaddrs(ifaddr);
return unknown_str;
}
static const char *
ipv6(const char *iface)
{
struct ifaddrs *ifaddr, *ifa;
int s;
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
warn("Failed to get IPv6 address for interface %s", iface);
return unknown_str;
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_addr == NULL) {
continue;
}
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET6)) {
if (s != 0) {
warnx("Failed to get IPv6 address for interface %s", iface);
return unknown_str;
}
return bprintf("%s", host);