cups-avahi-address.patch

   1 diff -up cups-2.2b2/cups/http-support.c.avahi-address cups-2.2b2/cups/http-support.c
   2 --- cups-2.2b2/cups/http-support.c.avahi-address        2016-06-24 17:43:35.000000000 +0200
   3 +++ cups-2.2b2/cups/http-support.c      2016-06-27 15:31:34.201361844 +0200
   4 @@ -2340,7 +2340,7 @@ http_resolve_cb(
   5      const char             *type,      /* I - Registration type */
   6      const char             *domain,    /* I - Domain (unused) */
   7      const char             *hostTarget,        /* I - Hostname */
   8 -    const AvahiAddress     *address,   /* I - Address (unused) */
   9 +    const AvahiAddress     *address,   /* I - Address */
  10      uint16_t               port,       /* I - Port number */
  11      AvahiStringList        *txt,       /* I - TXT record */
  12      AvahiLookupResultFlags flags,      /* I - Lookup flags (unused) */
  13 @@ -2493,39 +2493,62 @@ http_resolve_cb(
  14      * getting the IP address of the .local name and then do reverse-lookups...
  15      */
  16
  17 -    http_addrlist_t    *addrlist,      /* List of addresses */
  18 -                       *addr;          /* Current address */
  19 +    http_addr_t addr;
  20 +    size_t addrlen;
  21 +    int error;
  22
  23      DEBUG_printf(("5http_resolve_cb: Looking up \"%s\".", hostTarget));
  24
  25 -    snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port));
  26 -    if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL)
  27 +    switch (address->proto)
  28      {
  29 -      for (addr = addrlist; addr; addr = addr->next)
  30 +    case AVAHI_PROTO_INET:
  31 +      addr.ipv4.sin_family = AF_INET;
  32 +      addrlen = sizeof (addr.ipv4.sin_addr);
  33 +      memcpy (&addr.ipv4.sin_addr, &address->data, addrlen);
  34 +      break;
  35 +    case AVAHI_PROTO_INET6:
  36 +      addr.ipv6.sin6_family = AF_INET6;
  37 +      addrlen = sizeof (addr.ipv6.sin6_addr);
  38 +      memcpy (&addr.ipv6.sin6_addr, &address->data, addrlen);
  39 +      break;
  40 +    default:
  41 +      DEBUG_printf(("8http_resolve_cb: unknown address family %d",
  42 +                   address->proto));
  43 +      addrlen = 0;
  44 +    }
  45 +
  46 +    if (addrlen > 0) {
  47 +      error = getnameinfo(&addr.addr, httpAddrLength (&addr),
  48 +                         fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD);
  49 +
  50 +      if (!error)
  51        {
  52 -        int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD);
  53 +       DEBUG_printf(("8http_resolve_cb: Found \"%s\".", fqdn));
  54
  55 -        if (!error)
  56 -       {
  57 -         DEBUG_printf(("5http_resolve_cb: Found \"%s\".", fqdn));
  58 +       if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn ||
  59 +           _cups_strcasecmp(hostptr, ".local"))
  60
  61 -         if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn ||
  62 -             _cups_strcasecmp(hostptr, ".local"))
  63 -         {
  64 -           hostTarget = fqdn;
  65 -           break;
  66 -         }
  67 +       {
  68 +         hostTarget = fqdn;
  69         }
  70 +      } else {
  71 +       avahi_address_snprint (fqdn, sizeof (fqdn), address);
  72 +       hostTarget = fqdn;
  73 +
  74  #ifdef DEBUG
  75 -       else
  76 -         DEBUG_printf(("5http_resolve_cb: \"%s\" did not resolve: %d",
  77 -                       httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)),
  78 -                       error));
  79 +       DEBUG_printf(("8http_resolve_cb: \"%s\" did not resolve: %d",
  80 +                     fqdn, error));
  81  #endif /* DEBUG */
  82        }
  83
  84 -      httpAddrFreeList(addrlist);
  85      }
  86 +  } else {
  87 +   /*
  88 +    * Use the IP address that responded...
  89 +    */
  90 +
  91 +   avahi_address_snprint (fqdn, sizeof (fqdn), address);
  92 +   hostTarget = fqdn;
  93    }
  94
  95   /*