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https://gitlab.torproject.org/tpo/core/tor.git
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r19795@catbus: nickm | 2008-05-16 14:54:24 -0400
Rename tor_addr_t manipulation functions for a consistent style. svn:r14639
This commit is contained in:
parent
54d7c388fc
commit
09cd8fa371
@ -935,6 +935,31 @@ get_user_homedir(const char *username)
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}
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#endif
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/** DOCDOC */
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socklen_t
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tor_addr_to_sockaddr(const tor_addr_t *a,
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uint16_t port,
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struct sockaddr *sa_out)
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{
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if (a->family == AF_INET) {
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struct sockaddr_in *sin = (struct sockaddr_in *)sa_out;
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sin->sin_family = AF_INET;
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sin->sin_port = port;
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sin->sin_addr.s_addr = a->addr.in_addr.s_addr;
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return sizeof(struct sockaddr_in);
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} else if (a->family == AF_INET6) {
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struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa_out;
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tor_assert(a->family == AF_INET6);
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memset(sin6, 0, sizeof(struct sockaddr_in6));
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sin6->sin6_family = AF_INET6;
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sin6->sin6_port = port;
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memcpy(&sin6->sin6_addr, &a->addr.in6_addr, sizeof(struct in6_addr));
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return sizeof(struct sockaddr_in6);
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} else {
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return -1;
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}
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}
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/** Set *addr to the IP address (in dotted-quad notation) stored in c.
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* Return 1 on success, 0 if c is badly formatted. (Like inet_aton(c,addr),
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* but works on Windows and Solaris.)
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@ -1166,8 +1191,8 @@ tor_lookup_hostname(const char *name, uint32_t *addr)
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if ((ret = tor_addr_lookup(name, AF_INET, &myaddr)))
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return ret;
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if (IN_FAMILY(&myaddr) == AF_INET) {
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*addr = IPV4IPh(&myaddr);
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if (tor_addr_family(&myaddr) == AF_INET) {
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*addr = tor_addr_to_ipv4h(&myaddr);
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return ret;
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}
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@ -348,44 +348,47 @@ typedef struct tor_addr_t
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} addr;
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} tor_addr_t;
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/* XXXX021 rename these. */
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static INLINE uint32_t IPV4IP(const tor_addr_t *a);
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static INLINE uint32_t IPV4IPh(const tor_addr_t *a);
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static INLINE uint32_t IPV4MAPh(const tor_addr_t *a);
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static INLINE uint16_t IN_FAMILY(const tor_addr_t *a);
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static INLINE const struct in_addr *IN4_ADDRESS(const tor_addr_t *a);
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static INLINE const struct in6_addr *IN6_ADDRESS(const tor_addr_t *a);
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/* DOCDOC*/
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static INLINE uint32_t tor_addr_to_ipv4n(const tor_addr_t *a);
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static INLINE uint32_t tor_addr_to_ipv4h(const tor_addr_t *a);
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static INLINE uint32_t tor_addr_to_mapped_ipv4n(const tor_addr_t *a);
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static INLINE sa_family_t tor_addr_family(const tor_addr_t *a);
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static INLINE const struct in_addr *tor_addr_to_in(const tor_addr_t *a);
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static INLINE const struct in6_addr *tor_addr_to_in6(const tor_addr_t *a);
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socklen_t tor_addr_to_sockaddr(const tor_addr_t *a, uint16_t port,
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struct sockaddr *sa_out);
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static INLINE const struct in6_addr *
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IN6_ADDRESS(const tor_addr_t *a)
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tor_addr_to_in6(const tor_addr_t *a)
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{
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return &a->addr.in6_addr;
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}
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#define IN6_ADDRESS16(x) S6_ADDR16(*IN6_ADDRESS(x))
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#define IN6_ADDRESS32(x) S6_ADDR32(*IN6_ADDRESS(x))
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#define tor_addr_to_in6_addr16(x) S6_ADDR16(*tor_addr_to_in6(x))
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#define tor_addr_to_in6_addr32(x) S6_ADDR32(*tor_addr_to_in6(x))
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static INLINE uint32_t
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IPV4IP(const tor_addr_t *a)
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tor_addr_to_ipv4n(const tor_addr_t *a)
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{
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return a->addr.in_addr.s_addr;
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}
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static INLINE uint32_t IPV4IPh(const tor_addr_t *a)
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static INLINE uint32_t
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tor_addr_to_ipv4h(const tor_addr_t *a)
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{
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return ntohl(IPV4IP(a));
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return ntohl(tor_addr_to_ipv4n(a));
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}
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static INLINE uint32_t
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IPV4MAPh(const tor_addr_t *a)
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tor_addr_to_mapped_ipv4n(const tor_addr_t *a)
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{
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return ntohl(IN6_ADDRESS32(a)[3]);
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return ntohl(tor_addr_to_in6_addr32(a)[3]);
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}
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static INLINE uint16_t
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IN_FAMILY(const tor_addr_t *a)
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static INLINE sa_family_t
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tor_addr_family(const tor_addr_t *a)
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{
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return a->family;
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}
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static INLINE const struct in_addr *
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IN4_ADDRESS(const tor_addr_t *a)
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tor_addr_to_in(const tor_addr_t *a)
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{
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return &a->addr.in_addr;
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}
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@ -2179,22 +2179,23 @@ tor_addr_is_internal(const tor_addr_t *addr, int for_listening)
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uint32_t iph4 = 0;
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uint32_t iph6[4];
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sa_family_t v_family;
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v_family = IN_FAMILY(addr);
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v_family = tor_addr_family(addr);
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if (v_family == AF_INET) {
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iph4 = IPV4IPh(addr);
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iph4 = tor_addr_to_ipv4h(addr);
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} else if (v_family == AF_INET6) {
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if (tor_addr_is_v4(addr)) { /* v4-mapped */
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v_family = AF_INET;
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iph4 = ntohl(IN6_ADDRESS32(addr)[3]);
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iph4 = ntohl(tor_addr_to_in6_addr32(addr)[3]);
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}
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}
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if (v_family == AF_INET6) {
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iph6[0] = ntohl(IN6_ADDRESS32(addr)[0]);
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iph6[1] = ntohl(IN6_ADDRESS32(addr)[1]);
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iph6[2] = ntohl(IN6_ADDRESS32(addr)[2]);
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iph6[3] = ntohl(IN6_ADDRESS32(addr)[3]);
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const uint32_t *a32 = tor_addr_to_in6_addr32(addr);
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iph6[0] = ntohl(a32[0]);
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iph6[1] = ntohl(a32[1]);
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iph6[2] = ntohl(a32[2]);
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iph6[3] = ntohl(a32[3]);
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if (for_listening && !iph6[0] && !iph6[1] && !iph6[2] && !iph6[3]) /* :: */
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return 0;
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@ -2227,30 +2228,28 @@ tor_addr_is_internal(const tor_addr_t *addr, int for_listening)
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return 1;
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}
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#if 0
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/** Convert a tor_addr_t <b>addr</b> into a string, and store it in
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* <b>dest</b> of size <b>len</b>. Returns a pointer to dest on success,
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* or NULL on failure.
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*/
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void
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const char *
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tor_addr_to_str(char *dest, const tor_addr_t *addr, int len)
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{
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const char *ptr;
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tor_assert(addr && dest);
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switch (IN_FAMILY(addr)) {
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switch (tor_addr_family(addr)) {
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case AF_INET:
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ptr = tor_inet_ntop(AF_INET, &addr->sa.sin_addr, dest, len);
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ptr = tor_inet_ntop(AF_INET, &addr->addr.in_addr, dest, len);
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break;
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case AF_INET6:
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ptr = tor_inet_ntop(AF_INET6, &addr->sa6.sin6_addr, dest, len);
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ptr = tor_inet_ntop(AF_INET6, &addr->addr.in6_addr, dest, len);
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break;
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default:
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return NULL;
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}
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return ptr;
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}
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#endif
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/** Parse a string of the form "host[:port]" from <b>addrport</b>. If
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* <b>address</b> is provided, set *<b>address</b> to a copy of the
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@ -2613,7 +2612,7 @@ tor_addr_parse_mask_ports(const char *s, tor_addr_t *addr_out,
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bits = (int) strtol(mask, &endptr, 10);
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if (!*endptr) { /* strtol converted everything, so it was an integer */
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if ((bits<0 || bits>128) ||
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((IN_FAMILY(addr_out) == AF_INET) && bits > 32)) {
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((tor_addr_family(addr_out) == AF_INET) && bits > 32)) {
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log_warn(LD_GENERAL,
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"Bad number of mask bits (%d) on address range; rejecting.",
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bits);
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@ -2635,7 +2634,7 @@ tor_addr_parse_mask_ports(const char *s, tor_addr_t *addr_out,
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goto err;
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}
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}
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if (IN_FAMILY(addr_out) == AF_INET6 && v4map) {
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if (tor_addr_family(addr_out) == AF_INET6 && v4map) {
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if (bits > 32 && bits < 96) { /* Crazy */
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log_warn(LD_GENERAL,
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"Bad mask bits %i for V4-mapped V6 address; rejecting.",
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@ -2648,9 +2647,9 @@ tor_addr_parse_mask_ports(const char *s, tor_addr_t *addr_out,
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} else { /* pick an appropriate mask, as none was given */
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if (any_flag)
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bits = 0; /* This is okay whether it's V6 or V4 (FIX V4-mapped V6!) */
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else if (IN_FAMILY(addr_out) == AF_INET)
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else if (tor_addr_family(addr_out) == AF_INET)
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bits = 32;
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else if (IN_FAMILY(addr_out) == AF_INET6)
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else if (tor_addr_family(addr_out) == AF_INET6)
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bits = 128;
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}
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*maskbits_out = (maskbits_t) bits;
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@ -2686,7 +2685,7 @@ tor_addr_parse_mask_ports(const char *s, tor_addr_t *addr_out,
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}
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tor_free(base);
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return IN_FAMILY(addr_out);
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return tor_addr_family(addr_out);
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err:
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tor_free(base);
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return -1;
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@ -2702,13 +2701,13 @@ tor_addr_is_v4(const tor_addr_t *addr)
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{
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tor_assert(addr);
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if (IN_FAMILY(addr) == AF_INET)
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if (tor_addr_family(addr) == AF_INET)
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return 1;
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if (IN_FAMILY(addr) == AF_INET6) { /* First two don't need to be ordered */
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if ((IN6_ADDRESS32(addr)[0] == 0) &&
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(IN6_ADDRESS32(addr)[1] == 0) &&
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(ntohl(IN6_ADDRESS32(addr)[2]) == 0x0000ffffu))
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if (tor_addr_family(addr) == AF_INET6) {
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/* First two don't need to be ordered */
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uint32_t *a32 = tor_addr_to_in6_addr32(addr);
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if (a32[0] == 0 && a32[1] == 0 && ntohl(a32[2]) == 0x0000ffffu)
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return 1;
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}
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@ -2723,16 +2722,19 @@ tor_addr_is_null(const tor_addr_t *addr)
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{
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tor_assert(addr);
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switch (IN_FAMILY(addr)) {
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case AF_INET6:
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return (!IN6_ADDRESS32(addr)[0] &&
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!IN6_ADDRESS32(addr)[1] &&
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!IN6_ADDRESS32(addr)[2] &&
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!IN6_ADDRESS32(addr)[3]);
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switch (tor_addr_family(addr)) {
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case AF_INET6: {
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uint32_t *a32 = tor_addr_to_in6_addr32(addr);
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return (a32[0] == 0) && (a32[1] == 0) && (a32[2] == 0) && (a32[3] == 0);
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}
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case AF_INET:
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return (!IN4_ADDRESS(addr)->s_addr);
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default:
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return (tor_addr_to_ipv4n(addr) == 0);
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case AF_UNSPEC:
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return 1;
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default:
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log_warn(LD_BUG, "Called with unknown address family %d",
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(int)tor_addr_family(addr));
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return 0;
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}
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//return 1;
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}
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@ -2804,26 +2806,30 @@ tor_addr_compare_masked(const tor_addr_t *addr1, const tor_addr_t *addr2,
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tor_assert(addr1 && addr2);
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/* XXXX_IP6 this code doesn't handle mask bits right it's using v4-mapped v6
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/* XXXX021 this code doesn't handle mask bits right it's using v4-mapped v6
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* addresses. If I ask whether ::ffff:1.2.3.4 and ::ffff:1.2.7.8 are the
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* same in the first 16 bits, it will say "yes." That's not so intuitive.
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*
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* XXXX021 Also, it's way too complicated.
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*/
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v_family[0] = IN_FAMILY(addr1);
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v_family[1] = IN_FAMILY(addr2);
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v_family[0] = tor_addr_family(addr1);
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v_family[1] = tor_addr_family(addr2);
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if (v_family[0] == AF_INET) { /* If this is native IPv4, note the address */
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ip4a = IPV4IPh(addr1); /* Later we risk overwriting a v4-mapped address */
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/* Later we risk overwriting a v4-mapped address */
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ip4a = tor_addr_to_ipv4h(addr1);
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} else if ((v_family[0] == AF_INET6) && tor_addr_is_v4(addr1)) {
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v_family[0] = AF_INET;
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ip4a = IPV4MAPh(addr1);
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ip4a = tor_addr_to_mapped_ipv4n(addr1);
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}
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if (v_family[1] == AF_INET) { /* If this is native IPv4, note the address */
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ip4b = IPV4IPh(addr2); /* Later we risk overwriting a v4-mapped address */
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/* Later we risk overwriting a v4-mapped address */
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ip4b = tor_addr_to_ipv4h(addr2);
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} else if ((v_family[1] == AF_INET6) && tor_addr_is_v4(addr2)) {
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v_family[1] = AF_INET;
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ip4b = IPV4MAPh(addr2);
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ip4b = tor_addr_to_mapped_ipv4n(addr2);
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}
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if (v_family[0] > v_family[1]) /* Comparison of virtual families */
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@ -2850,8 +2856,8 @@ tor_addr_compare_masked(const tor_addr_t *addr1, const tor_addr_t *addr2,
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return 1;
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return 0;
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} else if (v_family[0] == AF_INET6) { /* Real IPv6 */
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const uint32_t *a1 = IN6_ADDRESS32(addr1);
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const uint32_t *a2 = IN6_ADDRESS32(addr2);
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const uint32_t *a1 = tor_addr_to_in6_addr32(addr1);
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const uint32_t *a2 = tor_addr_to_in6_addr32(addr2);
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for (idx = 0; idx < 4; ++idx) {
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uint32_t masked_a = ntohl(a1[idx]);
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uint32_t masked_b = ntohl(a2[idx]);
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@ -2876,6 +2882,7 @@ tor_addr_compare_masked(const tor_addr_t *addr1, const tor_addr_t *addr2,
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tor_assert(0); /* Unknown address family */
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return -1; /* unknown address family, return unequal? */
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}
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/** Given a host-order <b>addr</b>, call tor_inet_ntop() on it
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@ -2892,24 +2899,6 @@ tor_dup_addr(uint32_t addr)
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return tor_strdup(buf);
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}
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/** Convert the tor_addr_t *<b>addr</b> into string form and store it in
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* <b>dest</b>, which can hold at least <b>len</b> bytes. Returns <b>dest</b>
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* on success, NULL on failure.
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*/
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const char *
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tor_addr_to_str(char *dest, const tor_addr_t *addr, int len)
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{
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tor_assert(addr && dest);
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if (IN_FAMILY(addr) == AF_INET) {
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return tor_inet_ntop(AF_INET, IN4_ADDRESS(addr), dest, len);
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} else if (IN_FAMILY(addr) == AF_INET6) {
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return tor_inet_ntop(AF_INET6, IN6_ADDRESS(addr), dest, len);
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} else {
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return NULL;
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}
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}
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/** Convert the string in <b>src</b> to a tor_addr_t <b>addr</b>.
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*
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* Return an address family on success, or -1 if an invalid address string is
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@ -2999,7 +2988,7 @@ get_interface_address(int severity, uint32_t *addr)
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r = get_interface_address6(severity, AF_INET, &local_addr);
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if (r>=0)
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*addr = IPV4IPh(&local_addr);
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*addr = tor_addr_to_ipv4h(&local_addr);
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return r;
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}
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@ -1297,10 +1297,10 @@ _test_eq_ip6(struct in6_addr *a, struct in6_addr *b, const char *e1,
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STMT_BEGIN \
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test_eq(tor_addr_parse_mask_ports(xx, &t1, &mask, &port1, &port2), f); \
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p1=tor_inet_ntop(AF_INET6, &t1.addr.in6_addr, bug, sizeof(bug)); \
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test_eq(htonl(ip1), IN6_ADDRESS32(&t1)[0]); \
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test_eq(htonl(ip2), IN6_ADDRESS32(&t1)[1]); \
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test_eq(htonl(ip3), IN6_ADDRESS32(&t1)[2]); \
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test_eq(htonl(ip4), IN6_ADDRESS32(&t1)[3]); \
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test_eq(htonl(ip1), tor_addr_to_in6_addr32(&t1)[0]); \
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test_eq(htonl(ip2), tor_addr_to_in6_addr32(&t1)[1]); \
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test_eq(htonl(ip3), tor_addr_to_in6_addr32(&t1)[2]); \
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test_eq(htonl(ip4), tor_addr_to_in6_addr32(&t1)[3]); \
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test_eq(mask, mm); \
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test_eq(port1, pt1); \
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test_eq(port2, pt2); \
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