a266acc54c
git-svn-id: svn://svn.openwrt.org/openwrt/packages@24543 3c298f89-4303-0410-b956-a3cf2f4a3e73
40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
--- a/ifconfig.old 2010-12-10 12:14:12.026329707 +0100
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+++ b/ifconfig.c 2010-12-10 12:15:18.374672352 +0100
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@@ -64,20 +64,22 @@
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sprintf(hwaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
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*hw, *(hw + 1), *(hw + 2), *(hw + 3), *(hw + 4), *(hw + 5));
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- /* address */
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- ioctl(fd, SIOCGIFADDR, &ifreq);
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- sin = (struct sockaddr_in *)&ifreq.ifr_broadaddr;
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- sprintf(addr, "%s", inet_ntoa(sin->sin_addr));
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-
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- /* broadcast */
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- ioctl(fd, SIOCGIFBRDADDR, &ifreq);
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- sin = (struct sockaddr_in *)&ifreq.ifr_broadaddr;
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- sprintf(brdaddr, "%s", inet_ntoa(sin->sin_addr));
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-
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- /* netmask */
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- ioctl(fd, SIOCGIFNETMASK, &ifreq);
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- sin = (struct sockaddr_in *)&ifreq.ifr_broadaddr;
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- sprintf(netmask, "%s", inet_ntoa(sin->sin_addr));
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+ if (flags & IFF_UP) {
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+ /* address */
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+ ioctl(fd, SIOCGIFADDR, &ifreq);
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+ sin = (struct sockaddr_in *)&ifreq.ifr_broadaddr;
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+ sprintf(addr, "%s", inet_ntoa(sin->sin_addr));
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+
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+ /* broadcast */
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+ ioctl(fd, SIOCGIFBRDADDR, &ifreq);
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+ sin = (struct sockaddr_in *)&ifreq.ifr_broadaddr;
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+ sprintf(brdaddr, "%s", inet_ntoa(sin->sin_addr));
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+
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+ /* netmask */
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+ ioctl(fd, SIOCGIFNETMASK, &ifreq);
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+ sin = (struct sockaddr_in *)&ifreq.ifr_broadaddr;
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+ sprintf(netmask, "%s", inet_ntoa(sin->sin_addr));
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+ }
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}
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close(fd);
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