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-rw-r--r--toys/net/ifconfig.c68
1 files changed, 46 insertions, 22 deletions
diff --git a/toys/net/ifconfig.c b/toys/net/ifconfig.c
index 74779c54..634b6dd0 100644
--- a/toys/net/ifconfig.c
+++ b/toys/net/ifconfig.c
@@ -11,20 +11,21 @@
* outfill|keepalive INTEGER - SLIP analog dialup line quality monitoring
* metric INTEGER - added to Linux 0.9.10 with comment "never used", still true
-USE_IFCONFIG(NEWTOY(ifconfig, "^?a", TOYFLAG_SBIN))
+USE_IFCONFIG(NEWTOY(ifconfig, "^?aS", TOYFLAG_SBIN))
config IFCONFIG
bool "ifconfig"
default y
help
- usage: ifconfig [-a] [INTERFACE [ACTION...]]
+ usage: ifconfig [-aS] [INTERFACE [ACTION...]]
Display or configure network interface.
With no arguments, display active interfaces. First argument is interface
to operate on, one argument by itself displays that interface.
- -a Show all interfaces, not just active ones
+ -a All interfaces displayed, not just active ones
+ -S Short view, one line per interface
Standard ACTIONs to perform on an INTERFACE:
@@ -100,6 +101,7 @@ static int get_addrinfo(char *host, sa_family_t af, void *addr)
static void display_ifconfig(char *name, int always, unsigned long long val[])
{
struct ifreq ifre;
+ struct sockaddr_in *si = (void *)&ifre.ifr_addr;
struct {
int type;
char *title;
@@ -118,21 +120,37 @@ static void display_ifconfig(char *name, int always, unsigned long long val[])
flags = ifre.ifr_flags;
if (!always && !(flags & IFF_UP)) return;
+ if (toys.optflags&FLAG_S) {
+ unsigned uu = 0;
+ int len;
+
+ ioctl(TT.sockfd, SIOCGIFADDR, &ifre);
+ len = printf("%*s %s", -9, name, inet_ntoa(si->sin_addr));
+ if (!ioctl(TT.sockfd, SIOCGIFNETMASK, &ifre))
+ uu = htonl(*(unsigned *)&(si->sin_addr));
+ for (i = 0; uu; i++) uu <<= 1;
+ len += printf("/%d", i);
+ printf("%*c", 26-len, ' ');
+ }
+
// query hardware type and hardware address
xioctl(TT.sockfd, SIOCGIFHWADDR, &ifre);
- for (i=0; i < (sizeof(types)/sizeof(*types))-1; i++)
- if (ifre.ifr_hwaddr.sa_family == types[i].type) break;
-
- xprintf("%-9s Link encap:%s ", name, types[i].title);
- if(i >= 0 && ifre.ifr_hwaddr.sa_family == ARPHRD_ETHER) {
- xprintf("HWaddr ");
- for (i=0; i<6; i++) xprintf(":%02x"+!i, ifre.ifr_hwaddr.sa_data[i]);
+ if (toys.optflags&FLAG_S)
+ for (i=0; i<6; i++) printf(":%02x"+!i, ifre.ifr_hwaddr.sa_data[i]);
+ else {
+ for (i=0; i < ARRAY_LEN(types)-1; i++)
+ if (ifre.ifr_hwaddr.sa_family == types[i].type) break;
+ xprintf("%-9s Link encap:%s ", name, types[i].title);
+ if(ifre.ifr_hwaddr.sa_family == ARPHRD_ETHER) {
+ xprintf("HWaddr ");
+ for (i=0; i<6; i++) xprintf(":%02x"+!i, ifre.ifr_hwaddr.sa_data[i]);
+ }
+ sprintf(toybuf, "/sys/class/net/%.15s/device/driver", name);
+ if (readlink0(toybuf, toybuf, sizeof(toybuf))>0)
+ if ((pp = strrchr(toybuf, '/'))) xprintf(" Driver %s", pp+1);
+ xputc('\n');
}
- sprintf(toybuf, "/sys/class/net/%.15s/device/driver", name);
- if (readlink0(toybuf, toybuf, sizeof(toybuf))>0 && (pp = strrchr(toybuf, '/')))
- xprintf(" Driver %s", pp+1);
- xputc('\n');
// If an address is assigned record that.
@@ -142,7 +160,7 @@ static void display_ifconfig(char *name, int always, unsigned long long val[])
pp = (char *)&ifre.ifr_addr;
for (i = 0; i<sizeof(ifre.ifr_addr); i++) if (pp[i]) break;
- if (i != sizeof(ifre.ifr_addr)) {
+ if (!(toys.optflags&FLAG_S) && i != sizeof(ifre.ifr_addr)) {
struct sockaddr_in *si = (struct sockaddr_in *)&ifre.ifr_addr;
struct {
char *name;
@@ -158,7 +176,7 @@ static void display_ifconfig(char *name, int always, unsigned long long val[])
xprintf("%10c%s", ' ', (si->sin_family == AF_INET) ? "inet" :
(si->sin_family == AF_INET6) ? "inet6" : "unspec");
- for (i=0; i < sizeof(addr)/sizeof(*addr); i++) {
+ for (i=0; i<ARRAY_LEN(addr); i++) {
if (!addr[i].flag || (flags & addr[i].flag)) {
if (addr[i].ioctl && ioctl(TT.sockfd, addr[i].ioctl, &ifre))
si->sin_family = 0;
@@ -200,10 +218,11 @@ static void display_ifconfig(char *name, int always, unsigned long long val[])
char *scopes[] = {"Global","Host","Link","Site","Compat"},
*scope = "Unknown";
- for (i=0; i < sizeof(scopes)/sizeof(*scopes); i++)
+ for (i=0; i<ARRAY_LEN(scopes); i++)
if (iscope == (!!i)<<(i+3)) scope = scopes[i];
- xprintf("%10cinet6 addr: %s/%d Scope: %s\n",
- ' ', toybuf, plen, scope);
+ if (toys.optflags&FLAG_S) xprintf(" %s/%d@%c", toybuf, plen,*scope);
+ else xprintf("%10cinet6 addr: %s/%d Scope: %s\n",
+ ' ', toybuf, plen, scope);
}
}
}
@@ -211,6 +230,11 @@ static void display_ifconfig(char *name, int always, unsigned long long val[])
fclose(fp);
}
+ if (toys.optflags&FLAG_S) {
+ xputc('\n');
+ return;
+ }
+
xprintf("%10c", ' ');
if (flags) {
@@ -247,7 +271,7 @@ static void display_ifconfig(char *name, int always, unsigned long long val[])
if (ioctl(TT.sockfd, SIOCGIFTXQLEN, &ifre) >= 0) val[16] = ifre.ifr_qlen;
else val[16] = -1;
- for (i = 0; i < sizeof(order); i++) {
+ for (i = 0; i<sizeof(order); i++) {
int j = order[i];
if (j < 0) xprintf("\n%10c", ' ');
@@ -464,7 +488,7 @@ void ifconfig_main(void)
close(fd6);
continue;
// Iterate through table to find/perform operation
- } else for (i = 0; i < ARRAY_LEN(try); i++) {
+ } else for (i = 0; i<ARRAY_LEN(try); i++) {
struct argh *t = try+i;
int on = t->on, off = t->off;
@@ -519,7 +543,7 @@ void ifconfig_main(void)
break;
}
- if (i == sizeof(try)/sizeof(*try)) help_exit("bad argument '%s'", *argv);
+ if (i == ARRAY_LEN(try)) help_exit("bad argument '%s'", *argv);
}
close(TT.sockfd);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 19:17:26 +0000