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* autoload.cc (IdnToAscii): Define.

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(IdnToUnicode): Define.
	(FreeAddrInfoW): Define.
	(GetAddrInfoW): Define.
	(GetNameInfoW): Define.
	* net.cc: Drop W. Richard STEVENS libgai implementation.
	(cygwin_freeaddrinfo): Move code from ipv4_freeaddrinfo here.  Move
	definition up in file to avoid forward declaration in ga_duplist.
	(ga_dup): Take addrinfoW as input.  Add parameters to get IDN flags
	and to set error value.  Handle IDN flags and especially AI_CANONIDN.
	Convert input wchar_t ai_canonname string to multibyte for output.
	(ga_duplist): Add parameters to get IDN flags and to set error value
	and propagate to ga_dup.  Call cygwin_freeaddrinfo.
	(gai_errmap): Add comments.  Align error strings to GLibc.  Add
	EAI_IDN_ENCODE entry.
	(get_ipv6_funcs): Remove.
	(load_ipv6_guard): Remove.
	(ipv6_inited): Remove.
	(load_ipv6): Remove.
	(load_ipv6_funcs): Remove.
	(cygwin_getaddrinfo): Drop calling load_ipv6.  Handle AI_IDN* flags.
	Convert input strings to wchar_t and call GetAddrInfoW/FreeAddrInfoW.
	In case hints is NULL, set default ai_flags explicitely to
	AI_V4MAPPED | AI_ADDRCONFIG, as documented for Glibc.  Only add AI_ALL
	if AI_ADDRCONFIG is not given.  Unconditionally add Windows-specific
	AI_DISABLE_IDN_ENCODING to ai_flags to make IDN behaviour compatible
	to Glibc even on Windows 8 and later.
	(cygwin_getnameinfo): Drop calling load_ipv6.  Handle NI_IDN* flags.
	Call GetNameInfoW and convert returned strings from wchar_t to
	multibyte.
	* include/netdb.h: Add comments to describe flags and error values.
	(AI_*): Define all flags using hex values for clearness.
	(AI_IDN): Define.
	(AI_CANONIDN): Define.
	(AI_IDN_ALLOW_UNASSIGNED): Define.
	(AI_IDN_USE_STD3_ASCII_RULES): Define.
	(NI_*): Define all flags using hex values for clearness.
	(NI_IDN): Define.
	(NI_IDN_ALLOW_UNASSIGNED): Define.
	(NI_IDN_USE_STD3_ASCII_RULES): Define.
	(EAI_IDN_ENCODE): Define.
This commit is contained in:
Corinna Vinschen
2013-11-19 13:29:37 +00:00
parent ff125797e3
commit 5b56e9b02b
6 changed files with 329 additions and 992 deletions
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81
winsup/cygwin/include/netdb.h
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@ -152,38 +152,61 @@ extern __declspec(dllimport) int h_errno;
#define NO_DATA 4 /* Valid name, no data record of requested type */
#define NO_ADDRESS NO_DATA /* no address, look for MX record */
#define AI_PASSIVE 1
#define AI_CANONNAME 2
#define AI_NUMERICHOST 4
#define AI_NUMERICSERV 8
#define AI_ALL 256
#define AI_ADDRCONFIG 1024 /* Only available on Vista. Unchangable default
on older systems. */
#define AI_V4MAPPED 2048
/* Flag values for getaddrinfo function. */
#define AI_PASSIVE 0x1 /* Intend socket address for bind. */
#define AI_CANONNAME 0x2 /* Return canonical node name. */
#define AI_NUMERICHOST 0x4 /* Input is address, don't resolve. */
#define AI_NUMERICSERV 0x8 /* Input is port number, don't resolve. */
#define AI_ALL 0x100 /* Return v4-mapped and v6 addresses. */
#define AI_ADDRCONFIG 0x400 /* Only available on Vista. Unchangable default
on older systems. */
#define AI_V4MAPPED 0x800
/* Glibc extensions. We use numerical values taken by winsock-specific
extensions. */
#define AI_IDN 0x4000 /* Encode IDN input from current local to
punycode per RFC 3490. */
#define AI_CANONIDN 0x8000 /* Convert ai_canonname from punycode to IDN
in current locale. */
#define AI_IDN_ALLOW_UNASSIGNED 0x10000 /* Allow unassigned code points in
input string. */
#define AI_IDN_USE_STD3_ASCII_RULES 0x20000 /* Filter ASCII chars according to
STD3 rules. */
#define NI_NOFQDN 1
#define NI_NUMERICHOST 2
#define NI_NAMEREQD 4
#define NI_NUMERICSERV 8
#define NI_DGRAM 16
/* Flag values for getnameinfo function. */
#define NI_NOFQDN 0x1 /* Don't lookup hostname. */
#define NI_NUMERICHOST 0x2 /* Return host address, rather than name. */
#define NI_NAMEREQD 0x4 /* Not being able to resolve is an error. */
#define NI_NUMERICSERV 0x8 /* Return port number, rather than name. */
#define NI_DGRAM 0x10 /* Lookup datagram (UDP) service. */
/* Glibc extensions. We use numerical values taken by winsock-specific
extensions. */
#define NI_IDN 0x4000 /* Decode name from punycode to IDN in
current locale. */
#define NI_IDN_ALLOW_UNASSIGNED 0x10000 /* Allow unassigned code points in
output string. */
#define NI_IDN_USE_STD3_ASCII_RULES 0x20000 /* Filter ASCII chars according to
STD3 rules. */
#define NI_MAXHOST 1025
#define NI_MAXSERV 32
#define NI_MAXHOST 1025 /* Best effort maximum hostname length. */
#define NI_MAXSERV 32 /* Best effort maximum service name length. */
#define EAI_ADDRFAMILY 1
#define EAI_AGAIN 2
#define EAI_BADFLAGS 3
#define EAI_FAIL 4
#define EAI_FAMILY 5
#define EAI_MEMORY 6
#define EAI_NODATA 7
#define EAI_NONAME 8
#define EAI_SERVICE 9
#define EAI_SOCKTYPE 10
#define EAI_SYSTEM 11
#define EAI_BADHINTS 12
#define EAI_PROTOCOL 13
#define EAI_OVERFLOW 14
/* Error codes returned by getaddrinfo and getnameinfo. */
#define EAI_ADDRFAMILY 1 /* Address family for hostname not supported */
#define EAI_AGAIN 2 /* Temporary failure in name resolution */
#define EAI_BADFLAGS 3 /* Bad value for ai_flags */
#define EAI_FAIL 4 /* Non-recoverable failure in name resolution */
#define EAI_FAMILY 5 /* ai_family not supported */
#define EAI_MEMORY 6 /* Memory allocation failure */
#define EAI_NODATA 7 /* No address associated with hostname */
#define EAI_NONAME 8 /* Name or service not known */
#define EAI_SERVICE 9 /* Servname not supported for ai_socktype */
#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
#define EAI_SYSTEM 11 /* System error */
#define EAI_BADHINTS 12 /* Invalid value for hints */
#define EAI_PROTOCOL 13 /* Resolved protocol is unknown */
#define EAI_OVERFLOW 14 /* An argument buffer overflowed */
/* Glibc extensions. */
#define EAI_IDN_ENCODE 15 /* Parameter string not correctly encoded */
#ifndef __INSIDE_CYGWIN_NET__
void endhostent (void);