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addr: Rename last_resolved_addr to be v4 specific

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Part of #33233

Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2020-06-15 15:31:34 -04:00
parent 6da8c0b4fa
commit d08d7e1535
4 changed files with 19 additions and 19 deletions
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28
src/app/config/resolve_addr.c
View File

@ -20,20 +20,20 @@
#include "lib/net/resolve.h" #include "lib/net/resolve.h"
/** Last value actually set by resolve_my_address. */ /** Last value actually set by resolve_my_address. */
static uint32_t last_resolved_addr = 0; static uint32_t last_resolved_addr_v4 = 0;
/** Accessor for last_resolved_addr from outside this file. */ /** Accessor for last_resolved_addr_v4 from outside this file. */
uint32_t uint32_t
get_last_resolved_addr(void) get_last_resolved_addr_v4(void)
{ {
return last_resolved_addr; return last_resolved_addr_v4;
} }
/** Reset last_resolved_addr from outside this file. */ /** Reset last_resolved_addr_v4 from outside this file. */
void void
reset_last_resolved_addr(void) reset_last_resolved_addr_v4(void)
{ {
last_resolved_addr = 0; last_resolved_addr_v4 = 0;
} }
/** /**
@ -257,7 +257,7 @@ resolve_my_address_v4(int warn_severity, const or_options_t *options,
* us up-to-date. * us up-to-date.
*/ */
if (last_resolved_addr && last_resolved_addr != *addr_out) { if (last_resolved_addr_v4 && last_resolved_addr_v4 != *addr_out) {
/* Leave this as a notice, regardless of the requested severity, /* Leave this as a notice, regardless of the requested severity,
* at least until dynamic IP address support becomes bulletproof. */ * at least until dynamic IP address support becomes bulletproof. */
log_notice(LD_NET, log_notice(LD_NET,
@ -269,14 +269,14 @@ resolve_my_address_v4(int warn_severity, const or_options_t *options,
ip_address_changed(0); ip_address_changed(0);
} }
if (last_resolved_addr != *addr_out) { if (last_resolved_addr_v4 != *addr_out) {
control_event_server_status(LOG_NOTICE, control_event_server_status(LOG_NOTICE,
"EXTERNAL_ADDRESS ADDRESS=%s METHOD=%s%s%s", "EXTERNAL_ADDRESS ADDRESS=%s METHOD=%s%s%s",
addr_string, method_used, addr_string, method_used,
hostname_used ? " HOSTNAME=" : "", hostname_used ? " HOSTNAME=" : "",
hostname_used ? hostname_used : ""); hostname_used ? hostname_used : "");
} }
last_resolved_addr = *addr_out; last_resolved_addr_v4 = *addr_out;
/* /*
* And finally, clean up and return success. * And finally, clean up and return success.
@ -303,11 +303,11 @@ is_local_addr, (const tor_addr_t *addr))
/* It's possible that this next check will hit before the first time /* It's possible that this next check will hit before the first time
* resolve_my_address actually succeeds. (For clients, it is likely that * resolve_my_address actually succeeds. (For clients, it is likely that
* resolve_my_address will never be called at all). In those cases, * resolve_my_address will never be called at all). In those cases,
* last_resolved_addr will be 0, and so checking to see whether ip is on * last_resolved_addr_v4 will be 0, and so checking to see whether ip is
* the same /24 as last_resolved_addr will be the same as checking whether * on the same /24 as last_resolved_addr_v4 will be the same as checking
* it was on net 0, which is already done by tor_addr_is_internal. * whether it was on net 0, which is already done by tor_addr_is_internal.
*/ */
if ((last_resolved_addr & (uint32_t)0xffffff00ul) if ((last_resolved_addr_v4 & (uint32_t)0xffffff00ul)
== (ip & (uint32_t)0xffffff00ul)) == (ip & (uint32_t)0xffffff00ul))
return 1; return 1;
} }

4
src/app/config/resolve_addr.h
View File

@ -15,8 +15,8 @@ int resolve_my_address_v4(int warn_severity, const or_options_t *options,
uint32_t *addr_out, uint32_t *addr_out,
const char **method_out, char **hostname_out); const char **method_out, char **hostname_out);
uint32_t get_last_resolved_addr(void); uint32_t get_last_resolved_addr_v4(void);
void reset_last_resolved_addr(void); void reset_last_resolved_addr_v4(void);
MOCK_DECL(int, is_local_addr, (const tor_addr_t *addr)); MOCK_DECL(int, is_local_addr, (const tor_addr_t *addr));

2
src/core/mainloop/connection.c
View File

@ -4870,7 +4870,7 @@ client_check_address_changed(tor_socket_t sock)
smartlist_clear(outgoing_addrs); smartlist_clear(outgoing_addrs);
smartlist_add(outgoing_addrs, tor_memdup(&out_addr, sizeof(tor_addr_t))); smartlist_add(outgoing_addrs, tor_memdup(&out_addr, sizeof(tor_addr_t)));
/* We'll need to resolve ourselves again. */ /* We'll need to resolve ourselves again. */
reset_last_resolved_addr(); reset_last_resolved_addr_v4();
/* Okay, now change our keys. */ /* Okay, now change our keys. */
ip_address_changed(1); ip_address_changed(1);
} }

4
src/feature/relay/relay_find_addr.c
View File

@ -64,7 +64,7 @@ router_new_address_suggestion(const char *suggestion,
} }
/* XXXX ipv6 */ /* XXXX ipv6 */
cur = get_last_resolved_addr(); cur = get_last_resolved_addr_v4();
if (cur || if (cur ||
resolve_my_address_v4(LOG_INFO, options, &cur, NULL, NULL) >= 0) { resolve_my_address_v4(LOG_INFO, options, &cur, NULL, NULL) >= 0) {
/* We're all set -- we already know our address. Great. */ /* We're all set -- we already know our address. Great. */
@ -112,7 +112,7 @@ router_pick_published_address, (const or_options_t *options, uint32_t *addr,
int cache_only)) int cache_only))
{ {
/* First, check the cached output from resolve_my_address(). */ /* First, check the cached output from resolve_my_address(). */
*addr = get_last_resolved_addr(); *addr = get_last_resolved_addr_v4();
if (*addr) if (*addr)
return 0; return 0;