diff options
Diffstat (limited to 'ext/socket/getnameinfo.c')
-rw-r--r-- | ext/socket/getnameinfo.c | 226 |
1 files changed, 113 insertions, 113 deletions
diff --git a/ext/socket/getnameinfo.c b/ext/socket/getnameinfo.c index 94a5eb9439..ae5284fab6 100644 --- a/ext/socket/getnameinfo.c +++ b/ext/socket/getnameinfo.c @@ -84,30 +84,30 @@ typedef int socklen_t; #define NO 0 struct sockinet { - u_char si_len; - u_char si_family; - u_short si_port; + u_char si_len; + u_char si_family; + u_short si_port; }; static struct afd { - int a_af; - int a_addrlen; - int a_socklen; - int a_off; + int a_af; + int a_addrlen; + int a_socklen; + int a_off; } afdl [] = { #ifdef INET6 #define N_INET6 0 - {PF_INET6, sizeof(struct in6_addr), - sizeof(struct sockaddr_in6), - offsetof(struct sockaddr_in6, sin6_addr)}, + {PF_INET6, sizeof(struct in6_addr), + sizeof(struct sockaddr_in6), + offsetof(struct sockaddr_in6, sin6_addr)}, #define N_INET 1 #else #define N_INET 0 #endif - {PF_INET, sizeof(struct in_addr), - sizeof(struct sockaddr_in), - offsetof(struct sockaddr_in, sin_addr)}, - {0, 0, 0, 0}, + {PF_INET, sizeof(struct in_addr), + sizeof(struct sockaddr_in), + offsetof(struct sockaddr_in, sin_addr)}, + {0, 0, 0, 0}, }; #define ENI_NOSOCKET 0 @@ -121,123 +121,123 @@ static struct afd { int getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, socklen_t hostlen, char *serv, socklen_t servlen, int flags) { - struct afd *afd; - struct hostent *hp; - u_short port; - int family, len, i; - char *addr, *p; - u_long v4a; + struct afd *afd; + struct hostent *hp; + u_short port; + int family, len, i; + char *addr, *p; + u_long v4a; #ifdef INET6 - u_char pfx; + u_char pfx; #endif - int h_error; - char numserv[512]; - char numaddr[512]; + int h_error; + char numserv[512]; + char numaddr[512]; - if (sa == NULL) - return ENI_NOSOCKET; + if (sa == NULL) + return ENI_NOSOCKET; - if (!VALIDATE_SOCKLEN(sa, salen)) return ENI_SALEN; + if (!VALIDATE_SOCKLEN(sa, salen)) return ENI_SALEN; len = salen; - family = sa->sa_family; - for (i = 0; afdl[i].a_af; i++) - if (afdl[i].a_af == family) { - afd = &afdl[i]; - goto found; - } - return ENI_FAMILY; + family = sa->sa_family; + for (i = 0; afdl[i].a_af; i++) + if (afdl[i].a_af == family) { + afd = &afdl[i]; + goto found; + } + return ENI_FAMILY; found: - if (len != afd->a_socklen) return ENI_SALEN; - - port = ((struct sockinet *)sa)->si_port; /* network byte order */ - addr = (char *)sa + afd->a_off; - - if (serv == NULL || servlen == 0) { - /* what we should do? */ - } else if (flags & NI_NUMERICSERV) { - snprintf(numserv, sizeof(numserv), "%d", ntohs(port)); - if (strlen(numserv) + 1 > servlen) - return ENI_MEMORY; - strcpy(serv, numserv); - } else { + if (len != afd->a_socklen) return ENI_SALEN; + + port = ((struct sockinet *)sa)->si_port; /* network byte order */ + addr = (char *)sa + afd->a_off; + + if (serv == NULL || servlen == 0) { + /* what we should do? */ + } else if (flags & NI_NUMERICSERV) { + snprintf(numserv, sizeof(numserv), "%d", ntohs(port)); + if (strlen(numserv) + 1 > servlen) + return ENI_MEMORY; + strcpy(serv, numserv); + } else { #if defined(HAVE_GETSERVBYPORT) - struct servent *sp = getservbyport(port, (flags & NI_DGRAM) ? "udp" : "tcp"); - if (sp) { - if (strlen(sp->s_name) + 1 > servlen) - return ENI_MEMORY; - strcpy(serv, sp->s_name); - } else - return ENI_NOSERVNAME; + struct servent *sp = getservbyport(port, (flags & NI_DGRAM) ? "udp" : "tcp"); + if (sp) { + if (strlen(sp->s_name) + 1 > servlen) + return ENI_MEMORY; + strcpy(serv, sp->s_name); + } else + return ENI_NOSERVNAME; #else - return ENI_NOSERVNAME; -#endif - } - - switch (sa->sa_family) { - case AF_INET: - v4a = ntohl(((struct sockaddr_in *)sa)->sin_addr.s_addr); - if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a)) - flags |= NI_NUMERICHOST; - v4a >>= IN_CLASSA_NSHIFT; - if (v4a == 0) - flags |= NI_NUMERICHOST; - break; + return ENI_NOSERVNAME; +#endif + } + + switch (sa->sa_family) { + case AF_INET: + v4a = ntohl(((struct sockaddr_in *)sa)->sin_addr.s_addr); + if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a)) + flags |= NI_NUMERICHOST; + v4a >>= IN_CLASSA_NSHIFT; + if (v4a == 0) + flags |= NI_NUMERICHOST; + break; #ifdef INET6 - case AF_INET6: + case AF_INET6: #ifdef HAVE_ADDR8 - pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr8[0]; + pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr8[0]; #else - pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr[0]; -#endif - if (pfx == 0 || pfx == 0xfe || pfx == 0xff) - flags |= NI_NUMERICHOST; - break; -#endif - } - if (host == NULL || hostlen == 0) { - /* what should we do? */ - } else if (flags & NI_NUMERICHOST) { - if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) - == NULL) - return ENI_SYSTEM; - if (strlen(numaddr) > hostlen) - return ENI_MEMORY; - strcpy(host, numaddr); - } else { + pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr[0]; +#endif + if (pfx == 0 || pfx == 0xfe || pfx == 0xff) + flags |= NI_NUMERICHOST; + break; +#endif + } + if (host == NULL || hostlen == 0) { + /* what should we do? */ + } else if (flags & NI_NUMERICHOST) { + if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) + == NULL) + return ENI_SYSTEM; + if (strlen(numaddr) > hostlen) + return ENI_MEMORY; + strcpy(host, numaddr); + } else { #ifdef INET6 - hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error); + hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error); #else - hp = gethostbyaddr(addr, afd->a_addrlen, afd->a_af); - h_error = h_errno; + hp = gethostbyaddr(addr, afd->a_addrlen, afd->a_af); + h_error = h_errno; #endif - if (hp) { - if (flags & NI_NOFQDN) { - p = strchr(hp->h_name, '.'); - if (p) *p = '\0'; - } - if (strlen(hp->h_name) + 1 > hostlen) { + if (hp) { + if (flags & NI_NOFQDN) { + p = strchr(hp->h_name, '.'); + if (p) *p = '\0'; + } + if (strlen(hp->h_name) + 1 > hostlen) { #ifdef INET6 - freehostent(hp); + freehostent(hp); #endif - return ENI_MEMORY; - } - strcpy(host, hp->h_name); + return ENI_MEMORY; + } + strcpy(host, hp->h_name); #ifdef INET6 - freehostent(hp); -#endif - } else { - if (flags & NI_NAMEREQD) - return ENI_NOHOSTNAME; - if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) - == NULL) - return ENI_NOHOSTNAME; - if (strlen(numaddr) > hostlen) - return ENI_MEMORY; - strcpy(host, numaddr); - } - } - return SUCCESS; + freehostent(hp); +#endif + } else { + if (flags & NI_NAMEREQD) + return ENI_NOHOSTNAME; + if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) + == NULL) + return ENI_NOHOSTNAME; + if (strlen(numaddr) > hostlen) + return ENI_MEMORY; + strcpy(host, numaddr); + } + } + return SUCCESS; } |