diff options
Diffstat (limited to 'sysdeps/posix/getaddrinfo.c')
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 4fb1eaef79..efa7118498 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -60,6 +60,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include <netdb.h> #include <nss.h> #include <resolv/resolv-internal.h> +#include <resolv/resolv_context.h> +#include <resolv/res_use_inet6.h> #include <stdbool.h> #include <stdio.h> #include <stdio_ext.h> @@ -266,7 +268,8 @@ convert_hostent_to_gaih_addrtuple (const struct addrinfo *req, if (herrno == NETDB_INTERNAL) \ { \ __set_h_errno (herrno); \ - _res.options |= old_res_options & DEPRECATED_RES_USE_INET6; \ + __resolv_context_enable_inet6 (res_ctx, res_enable_inet6); \ + __resolv_context_put (res_ctx); \ result = -EAI_SYSTEM; \ goto free_and_return; \ } \ @@ -279,7 +282,8 @@ convert_hostent_to_gaih_addrtuple (const struct addrinfo *req, { \ if (!convert_hostent_to_gaih_addrtuple (req, _family,h, &addrmem)) \ { \ - _res.options |= old_res_options & DEPRECATED_RES_USE_INET6; \ + __resolv_context_enable_inet6 (res_ctx, res_enable_inet6); \ + __resolv_context_put (res_ctx); \ result = -EAI_SYSTEM; \ goto free_and_return; \ } \ @@ -582,7 +586,8 @@ gaih_inet (const char *name, const struct gaih_service *service, enum nss_status inet6_status = NSS_STATUS_UNAVAIL; enum nss_status status = NSS_STATUS_UNAVAIL; int no_more; - int old_res_options; + struct resolv_context *res_ctx = NULL; + bool res_enable_inet6 = false; /* If we do not have to look for IPv6 addresses or the canonical name, use the simple, old functions, which do not support @@ -765,16 +770,14 @@ gaih_inet (const char *name, const struct gaih_service *service, no_more = 0; nip = __nss_hosts_database; - /* Initialize configurations. */ - if (__res_maybe_init (&_res, 0) == -1) - no_more = 1; - /* If we are looking for both IPv4 and IPv6 address we don't want the lookup functions to automatically promote IPv4 - addresses to IPv6 addresses. Currently this is decided - by setting the RES_USE_INET6 bit in _res.options. */ - old_res_options = _res.options; - _res.options &= ~DEPRECATED_RES_USE_INET6; + addresses to IPv6 addresses, so we use the no_inet6 + function variant. */ + res_ctx = __resolv_context_get (); + res_enable_inet6 = __resolv_context_disable_inet6 (res_ctx); + if (res_ctx == NULL) + no_more = 1; while (!no_more) { @@ -811,8 +814,9 @@ gaih_inet (const char *name, const struct gaih_service *service, if (!scratch_buffer_grow (tmpbuf)) { - _res.options - |= old_res_options & DEPRECATED_RES_USE_INET6; + __resolv_context_enable_inet6 + (res_ctx, res_enable_inet6); + __resolv_context_put (res_ctx); result = -EAI_MEMORY; goto free_and_return; } @@ -911,9 +915,9 @@ gaih_inet (const char *name, const struct gaih_service *service, canonbuf = getcanonname (nip, at, name); if (canonbuf == NULL) { - _res.options - |= old_res_options - & DEPRECATED_RES_USE_INET6; + __resolv_context_enable_inet6 + (res_ctx, res_enable_inet6); + __resolv_context_put (res_ctx); result = -EAI_MEMORY; goto free_and_return; } @@ -953,7 +957,8 @@ gaih_inet (const char *name, const struct gaih_service *service, nip = nip->next; } - _res.options |= old_res_options & DEPRECATED_RES_USE_INET6; + __resolv_context_enable_inet6 (res_ctx, res_enable_inet6); + __resolv_context_put (res_ctx); if (h_errno == NETDB_INTERNAL) { |