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<pre>203.178.141.194 |
<pre>203.178.141.194 |
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2001:0200:0dff:fff1:0216:3eff:feb1:44d7</pre> |
2001:0200:0dff:fff1:0216:3eff:feb1:44d7</pre> |
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=={{header|Phix}}== |
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Translated from C/MSDN/several man pages.<br> |
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<b>NB:</b> may warrant further testing, see output. |
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<lang Phix>include builtins\cffi.e |
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constant AF_UNSPEC = 0, |
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-- AF_INET = 2, |
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-- AF_INET6 = 23, |
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-- SOCK_STREAM = 1, |
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SOCK_DGRAM = 2, |
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-- IPPROTO_TCP = 6, |
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NI_MAXHOST = 1025, |
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NI_NUMERICHOST = iff(platform()=LINUX?1:2) |
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constant tWAD = """ |
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typedef struct WSAData { |
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WORD wVersion; |
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WORD wHighVersion; |
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char szDescription[257]; |
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char szSystemStatus[129]; |
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unsigned short iMaxSockets; |
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unsigned short iMaxUdpDg; |
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char *lpVendorInfo; |
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} WSADATA, *LPWSADATA; |
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""", |
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tWAS = """ |
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int WSAStartup( |
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_In_ WORD wVersionRequested, |
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_Out_ LPWSADATA lpWSAData |
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); |
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""", |
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tWAC = """ |
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int WSACleanup(void); |
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""", |
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tAI_W=""" |
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typedef struct addrinfo { |
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int ai_flags; |
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int ai_family; |
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int ai_socktype; |
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int ai_protocol; |
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size_t ai_addrlen; |
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char *ai_canonname; |
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struct sockaddr *ai_addr; |
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struct addrinfo *ai_next; |
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} ADDRINFOA, *PADDRINFOA; |
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""", |
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tAI_L=""" |
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typedef struct addrinfo { |
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int ai_flags; |
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int ai_family; |
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int ai_socktype; |
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int ai_protocol; |
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int ai_addrlen; |
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struct sockaddr *ai_addr; |
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char *ai_canonname; |
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struct addrinfo *ai_next; |
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}; |
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""", |
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tGAI = """ |
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int getaddrinfo( |
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_In_opt_ PCSTR pNodeName, |
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_In_opt_ PCSTR pServiceName, |
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_In_opt_ const ADDRINFOA *pHints, |
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_Out_ PADDRINFOA *ppResult |
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); |
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""", |
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--int getaddrinfo(const char *node, const char *service, |
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-- const struct addrinfo *hints, |
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-- struct addrinfo **res); |
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tGNI = """ |
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int getnameinfo( |
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_In_ sockaddr *sa, |
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_In_ int salen, |
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_Out_ char *host, |
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_In_ DWORD hostlen, |
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_Out_ char *serv, |
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_In_ DWORD servlen, |
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_In_ int flags |
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); |
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""", |
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--int getnameinfo(const struct sockaddr *addr, socklen_t addrlen, |
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-- char *host, socklen_t hostlen, |
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-- char *serv, socklen_t servlen, int flags); |
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tFAI = """ |
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void freeaddrinfo( |
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_In_ struct addrinfo *ai |
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); |
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""" |
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--void freeaddrinfo(struct addrinfo *res); |
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integer xgetaddrinfo = NULL, xgetnameinfo, xfreeaddrinfo, idAI, |
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xwsastartup, xwsacleanup, error |
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function get_name_info(string fqdn) |
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if xgetaddrinfo=NULL then |
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atom lib |
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if platform()=WINDOWS then |
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integer idWAD = define_struct(tWAD) |
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atom pWAD = allocate_struct(idWAD,cleanup:=true) |
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lib = open_dll("Ws2_32.dll") |
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xwsastartup = define_cffi_func(lib,tWAS) |
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xwsacleanup = define_cffi_func(lib,tWAC) |
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error = c_func(xwsastartup,{#00020002,pWAD}) |
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if error then ?9/0 end if |
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idAI = define_struct(tAI_W) |
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elsif platform()=LINUX then |
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lib = open_dll("libc.so.6") |
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idAI = define_struct(tAI_L) |
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end if |
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xgetaddrinfo = define_cffi_func(lib,tGAI) |
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xgetnameinfo = define_cffi_func(lib,tGNI) |
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xfreeaddrinfo = define_cffi_proc(lib,tFAI) |
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end if |
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atom hints = allocate_struct(idAI,cleanup:=true), |
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res = allocate(machine_word(),cleanup:=true), |
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host = allocate(NI_MAXHOST,cleanup:=true) |
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set_struct_field(idAI,hints,"ai_family",AF_UNSPEC) |
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-- set_struct_field(idAI,hints,"ai_socktype",SOCK_STREAM) |
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set_struct_field(idAI,hints,"ai_socktype",SOCK_DGRAM) |
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error = c_func(xgetaddrinfo,{fqdn,NULL,hints,res}) |
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if error then ?9/0 end if |
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res = peekNS(res,machine_word(),false) |
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atom ptr = res |
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sequence results = {} |
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while ptr!=NULL do |
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atom addr = get_struct_field(idAI,ptr,"ai_addr") |
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integer len = get_struct_field(idAI,ptr,"ai_addrlen") |
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error = c_func(xgetnameinfo,{addr, len, host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST}) |
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if error then ?9/0 end if |
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results = append(results,peek_string(host)) |
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ptr = get_struct_field(idAI,ptr,"ai_next") |
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end while |
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c_proc(xfreeaddrinfo,{res}) |
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return results |
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end function |
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procedure WSACleanup() |
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if platform()=WINDOWS then |
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error = c_func(xwsacleanup,{}) |
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if error then crash("WSACleanup failed: %d\n",{error}) end if |
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end if |
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end procedure |
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?get_name_info("www.kame.net") |
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WSACleanup()</lang> |
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{{out}} |
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Note that windows nslookup shows an IPv6 that this does not, whereas |
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the exact reverse is true for linux on a VirtualBox (same machine)... |
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<pre> |
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Windows: |
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>nslookup www.kame.net |
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Addresses: 2001:200:dff:fff1:216:3eff:feb1:44d7 |
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203.178.141.194 |
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>p test |
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{"203.178.141.194"} |
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Linux: |
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$ nslookup www.kame.net |
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Address: 203.178.141.194 |
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$ ./p test |
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{"203.178.141.194","2001:200:dff:fff1:216:3eff:feb1:44d7"} |
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</pre> |
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=={{header|PHP}}== |
=={{header|PHP}}== |