diff options
Diffstat (limited to 'ext/sockets/sockaddr_conv.c')
| -rw-r--r-- | ext/sockets/sockaddr_conv.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/ext/sockets/sockaddr_conv.c b/ext/sockets/sockaddr_conv.c new file mode 100644 index 0000000000..1c1a90d58f --- /dev/null +++ b/ext/sockets/sockaddr_conv.c @@ -0,0 +1,142 @@ +#include <php.h> +#include <php_network.h> +#include "php_sockets.h" + +#ifdef PHP_WIN32 +#include "windows_common.h" +#else +#include <netdb.h> +#include <arpa/inet.h> +#endif + +extern int php_string_to_if_index(const char *val, unsigned *out TSRMLS_DC); + +#if HAVE_IPV6 +/* Sets addr by hostname, or by ip in string form (AF_INET6) */ +int php_set_inet6_addr(struct sockaddr_in6 *sin6, char *string, php_socket *php_sock TSRMLS_DC) /* {{{ */ +{ + struct in6_addr tmp; +#if HAVE_GETADDRINFO + struct addrinfo hints; + struct addrinfo *addrinfo = NULL; +#endif + char *scope = strchr(string, '%'); + + if (inet_pton(AF_INET6, string, &tmp)) { + memcpy(&(sin6->sin6_addr.s6_addr), &(tmp.s6_addr), sizeof(struct in6_addr)); + } else { +#if HAVE_GETADDRINFO + + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_INET6; +#if HAVE_AI_V4MAPPED + hints.ai_flags = AI_V4MAPPED | AI_ADDRCONFIG; +#else + hints.ai_flags = AI_ADDRCONFIG; +#endif + getaddrinfo(string, NULL, &hints, &addrinfo); + if (!addrinfo) { +#ifdef PHP_WIN32 + PHP_SOCKET_ERROR(php_sock, "Host lookup failed", WSAGetLastError()); +#else + PHP_SOCKET_ERROR(php_sock, "Host lookup failed", (-10000 - h_errno)); +#endif + return 0; + } + if (addrinfo->ai_family != PF_INET6 || addrinfo->ai_addrlen != sizeof(struct sockaddr_in6)) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Host lookup failed: Non AF_INET6 domain returned on AF_INET6 socket"); + freeaddrinfo(addrinfo); + return 0; + } + + memcpy(&(sin6->sin6_addr.s6_addr), ((struct sockaddr_in6*)(addrinfo->ai_addr))->sin6_addr.s6_addr, sizeof(struct in6_addr)); + freeaddrinfo(addrinfo); + +#else + /* No IPv6 specific hostname resolution is available on this system? */ + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Host lookup failed: getaddrinfo() not available on this system"); + return 0; +#endif + + } + + if (scope++) { + long lval = 0; + double dval = 0; + unsigned scope_id = 0; + + if (IS_LONG == is_numeric_string(scope, strlen(scope), &lval, &dval, 0)) { + if (lval > 0 && lval <= UINT_MAX) { + scope_id = lval; + } + } else { + php_string_to_if_index(scope, &scope_id TSRMLS_CC); + } + + sin6->sin6_scope_id = scope_id; + } + + return 1; +} +/* }}} */ +#endif + +/* Sets addr by hostname, or by ip in string form (AF_INET) */ +int php_set_inet_addr(struct sockaddr_in *sin, char *string, php_socket *php_sock TSRMLS_DC) /* {{{ */ +{ + struct in_addr tmp; + struct hostent *host_entry; + + if (inet_aton(string, &tmp)) { + sin->sin_addr.s_addr = tmp.s_addr; + } else { + if (! (host_entry = gethostbyname(string))) { + /* Note: < -10000 indicates a host lookup error */ +#ifdef PHP_WIN32 + PHP_SOCKET_ERROR(php_sock, "Host lookup failed", WSAGetLastError()); +#else + PHP_SOCKET_ERROR(php_sock, "Host lookup failed", (-10000 - h_errno)); +#endif + return 0; + } + if (host_entry->h_addrtype != AF_INET) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Host lookup failed: Non AF_INET domain returned on AF_INET socket"); + return 0; + } + memcpy(&(sin->sin_addr.s_addr), host_entry->h_addr_list[0], host_entry->h_length); + } + + return 1; +} +/* }}} */ + +/* Sets addr by hostname or by ip in string form (AF_INET or AF_INET6, + * depending on the socket) */ +int php_set_inet46_addr(php_sockaddr_storage *ss, socklen_t *ss_len, char *string, php_socket *php_sock TSRMLS_DC) /* {{{ */ +{ + if (php_sock->type == AF_INET) { + struct sockaddr_in t = {0}; + if (php_set_inet_addr(&t, string, php_sock TSRMLS_CC)) { + memcpy(ss, &t, sizeof t); + ss->ss_family = AF_INET; + *ss_len = sizeof(t); + return 1; + } + } +#if HAVE_IPV6 + else if (php_sock->type == AF_INET6) { + struct sockaddr_in6 t = {0}; + if (php_set_inet6_addr(&t, string, php_sock TSRMLS_CC)) { + memcpy(ss, &t, sizeof t); + ss->ss_family = AF_INET6; + *ss_len = sizeof(t); + return 1; + } + } +#endif + else { + php_error_docref(NULL TSRMLS_CC, E_WARNING, + "IP address used in the context of an unexpected type of socket"); + } + return 0; +} |