mirror of
https://github.com/openbsd/ports.git
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sthen
79 lines
2.3 KiB
Plaintext
79 lines
2.3 KiB
Plaintext
fix unaligned access on strict-alignment 64-bit
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Index: conserver/cutil.c
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--- conserver/cutil.c.orig
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+++ conserver/cutil.c
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@@ -1852,7 +1852,7 @@ ProbeInterfaces(in_addr_t bindAddr)
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{
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# ifdef SIOCGIFCONF
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struct ifconf ifc;
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- struct ifreq *ifr;
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+ struct ifreq ifr;
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# ifdef SIOCGIFFLAGS
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struct ifreq ifrcopy;
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# endif
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@@ -1921,7 +1921,7 @@ ProbeInterfaces(in_addr_t bindAddr)
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* than loop through looking for valid interfaces that are up
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* twice, huh?
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*/
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- count = ifc.ifc_len / sizeof(*ifr);
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+ count = ifc.ifc_len / sizeof(ifr);
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CONDDEBUG((1, "ProbeInterfaces(): ifc_len==%d max_count==%d",
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ifc.ifc_len, count));
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@@ -1940,21 +1940,21 @@ ProbeInterfaces(in_addr_t bindAddr)
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for (m = r = 0; r < ifc.ifc_len;) {
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struct sockaddr *sa;
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- ifr = (struct ifreq *)&ifc.ifc_buf[r];
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- sa = (struct sockaddr *)&ifr->ifr_addr;
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+ memcpy(&ifr, &ifc.ifc_buf[r], sizeof(ifr));
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+ sa = (struct sockaddr *)&ifr.ifr_addr;
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/* don't use less than a ifreq sized chunk */
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- if ((ifc.ifc_len - r) < sizeof(*ifr))
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+ if ((ifc.ifc_len - r) < sizeof(ifr))
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break;
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# ifdef HAVE_SA_LEN
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# ifdef __FreeBSD__
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- if (sa->sa_len > sizeof(ifr->ifr_addr))
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+ if (sa->sa_len > sizeof(ifr.ifr_addr))
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# else
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- if (sa->sa_len > sizeof(ifr->ifr_ifru))
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+ if (sa->sa_len > sizeof(ifr.ifr_ifru))
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# endif
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- r += sizeof(ifr->ifr_name) + sa->sa_len;
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+ r += sizeof(ifr.ifr_name) + sa->sa_len;
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else
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# endif
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- r += sizeof(*ifr);
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+ r += sizeof(ifr);
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if (sa->sa_family == AF_INET) {
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struct sockaddr_in *sin = (struct sockaddr_in *)sa;
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@@ -1975,14 +1975,14 @@ ProbeInterfaces(in_addr_t bindAddr)
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# ifdef SIOCGIFFLAGS
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/* make sure the interface is up */
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- ifrcopy = *ifr;
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+ memcpy(&ifrcopy, &ifr, sizeof(ifrcopy));
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if ((ioctl(sock, SIOCGIFFLAGS, &ifrcopy) == 0) &&
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((ifrcopy.ifr_flags & IFF_UP) == 0))
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continue;
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# endif
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CONDDEBUG((1, "ProbeInterfaces(): name=%s addr=%s",
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- ifr->ifr_name, inet_ntoa(sin->sin_addr)));
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+ ifr.ifr_name, inet_ntoa(sin->sin_addr)));
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# if HAVE_MEMCPY
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memcpy(&myAddrs[m], &(sin->sin_addr), sizeof(struct in_addr));
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@@ -1991,7 +1991,7 @@ ProbeInterfaces(in_addr_t bindAddr)
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# endif
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Verbose("interface address %s (%s)", inet_ntoa(myAddrs[m]),
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- ifr->ifr_name);
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+ ifr.ifr_name);
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m++;
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}
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}
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