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Correctly handle ifr.ifr_flags/ifr.ifr_flagshigh like ifconfig(8) does.
MFC after: 1 day
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parent
3aea1e1405
commit
88202a1f33
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=102574
@ -454,14 +454,15 @@ setifflags(vname, value)
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exit(1);
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}
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strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
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flags = ifr.ifr_flags;
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flags = (ifr.ifr_flags & 0xffff) | (ifr.ifr_flagshigh << 16);
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if (value < 0) {
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value = -value;
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flags &= ~value;
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} else
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flags |= value;
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ifr.ifr_flags = flags;
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ifr.ifr_flags = flags & 0xffff;
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ifr.ifr_flagshigh = flags >> 16;
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if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0)
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Perror(vname);
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}
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@ -548,7 +548,7 @@ static int
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iface_ChangeFlags(const char *ifname, int flags, int how)
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{
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struct ifreq ifrq;
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int s;
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int s, new_flags;
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s = ID0socket(PF_INET, SOCK_DGRAM, 0);
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if (s < 0) {
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@ -565,11 +565,14 @@ iface_ChangeFlags(const char *ifname, int flags, int how)
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close(s);
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return 0;
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}
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new_flags = (ifrq.ifr_flags & 0xffff) | (ifrq.ifr_flagshigh << 16);
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if (how == IFACE_ADDFLAGS)
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ifrq.ifr_flags |= flags;
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new_flags |= flags;
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else
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ifrq.ifr_flags &= ~flags;
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new_flags &= ~flags;
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ifrq.ifr_flags = new_flags & 0xffff;
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ifrq.ifr_flagshigh = new_flags >> 16;
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if (ID0ioctl(s, SIOCSIFFLAGS, &ifrq) < 0) {
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log_Printf(LogERROR, "iface_ChangeFlags: ioctl(SIOCSIFFLAGS): %s\n",
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