diff options
Diffstat (limited to 'sysdeps/posix/getaddrinfo.c')
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 81 |
1 files changed, 21 insertions, 60 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 740bdd1ed7..553833d1f2 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -85,9 +85,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include <scratch_buffer.h> #include <inet/net-internal.h> -#ifdef HAVE_LIBIDN -# include <idna.h> -#endif +/* Former AI_IDN_ALLOW_UNASSIGNED and AI_IDN_USE_STD3_ASCII_RULES + flags, now ignored. */ +#define DEPRECATED_AI_IDN 0x300 #if IS_IN (libc) # define feof_unlocked(fp) __feof_unlocked (fp) @@ -478,35 +478,15 @@ gaih_inet (const char *name, const struct gaih_service *service, at->scopeid = 0; at->next = NULL; -#ifdef HAVE_LIBIDN if (req->ai_flags & AI_IDN) { - int idn_flags = 0; - if (req->ai_flags & AI_IDN_ALLOW_UNASSIGNED) - idn_flags |= IDNA_ALLOW_UNASSIGNED; - if (req->ai_flags & AI_IDN_USE_STD3_ASCII_RULES) - idn_flags |= IDNA_USE_STD3_ASCII_RULES; - - char *p = NULL; - int rc = __idna_to_ascii_lz (name, &p, idn_flags); - if (rc != IDNA_SUCCESS) - { - /* No need to jump to free_and_return here. */ - if (rc == IDNA_MALLOC_ERROR) - return -EAI_MEMORY; - if (rc == IDNA_DLOPEN_ERROR) - return -EAI_SYSTEM; - return -EAI_IDN_ENCODE; - } - /* In case the output string is the same as the input string - no new string has been allocated. */ - if (p != name) - { - name = p; - malloc_name = true; - } + char *out; + result = __idna_to_dns_encoding (name, &out); + if (result != 0) + return -result; + name = out; + malloc_name = true; } -#endif if (__inet_aton (name, (struct in_addr *) at->addr) != 0) { @@ -1032,40 +1012,24 @@ gaih_inet (const char *name, const struct gaih_service *service, the passed in string. */ canon = orig_name; -#ifdef HAVE_LIBIDN - if (req->ai_flags & AI_CANONIDN) + bool do_idn = req->ai_flags & AI_CANONIDN; + if (do_idn) { - int idn_flags = 0; - if (req->ai_flags & AI_IDN_ALLOW_UNASSIGNED) - idn_flags |= IDNA_ALLOW_UNASSIGNED; - if (req->ai_flags & AI_IDN_USE_STD3_ASCII_RULES) - idn_flags |= IDNA_USE_STD3_ASCII_RULES; - char *out; - int rc = __idna_to_unicode_lzlz (canon, &out, idn_flags); - if (rc != IDNA_SUCCESS) + int rc = __idna_from_dns_encoding (canon, &out); + if (rc == 0) + canon = out; + else if (rc == EAI_IDN_ENCODE) + /* Use the punycode name as a fallback. */ + do_idn = false; + else { - if (rc == IDNA_MALLOC_ERROR) - result = -EAI_MEMORY; - else if (rc == IDNA_DLOPEN_ERROR) - result = -EAI_SYSTEM; - else - result = -EAI_IDN_ENCODE; + result = -rc; goto free_and_return; } - /* In case the output string is the same as the input - string no new string has been allocated and we - make a copy. */ - if (out == canon) - goto make_copy; - canon = out; } - else -#endif + if (!do_idn) { -#ifdef HAVE_LIBIDN - make_copy: -#endif if (canonbuf != NULL) /* We already allocated the string using malloc, but the buffer is now owned by canon. */ @@ -2226,10 +2190,7 @@ getaddrinfo (const char *name, const char *service, if (hints->ai_flags & ~(AI_PASSIVE|AI_CANONNAME|AI_NUMERICHOST|AI_ADDRCONFIG|AI_V4MAPPED -#ifdef HAVE_LIBIDN - |AI_IDN|AI_CANONIDN|AI_IDN_ALLOW_UNASSIGNED - |AI_IDN_USE_STD3_ASCII_RULES -#endif + |AI_IDN|AI_CANONIDN|DEPRECATED_AI_IDN |AI_NUMERICSERV|AI_ALL)) return EAI_BADFLAGS; |