int BIO_get_host_ip(const char *str, unsigned char *ip) { int i; int err = 1; struct hostent *he; if (inet_pton(AF_INET, str, ip) == 1) return (1); /* do a gethostbyname */ CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME); he = BIO_gethostbyname(str); if (he == NULL) { BIOerr(BIO_F_BIO_GET_HOST_IP, BIO_R_BAD_HOSTNAME_LOOKUP); goto err; } if (he->h_addrtype != AF_INET) { BIOerr(BIO_F_BIO_GET_HOST_IP, BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET); goto err; } for (i = 0; i < 4; i++) ip[i] = he->h_addr_list[0][i]; err = 0; err: CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME); if (err) { ERR_asprintf_error_data("host=%s", str); return 0; } else return 1; }
int BIO_get_host_ip(const char *str, unsigned char *ip) { int i; int err = 1; int locked = 0; struct hostent *he; i=get_ip(str,ip); if (i < 0) { BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_INVALID_IP_ADDRESS); goto err; } /* At this point, we have something that is most probably correct in some way, so let's init the socket. */ if (BIO_sock_init() != 1) return 0; /* don't generate another error code here */ /* If the string actually contained an IP address, we need not do anything more */ if (i > 0) return(1); /* do a gethostbyname */ CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME); locked = 1; he=BIO_gethostbyname(str); if (he == NULL) { BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_BAD_HOSTNAME_LOOKUP); goto err; } /* cast to short because of win16 winsock definition */ if ((short)he->h_addrtype != AF_INET) { BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET); goto err; } for (i=0; i<4; i++) ip[i]=he->h_addr_list[0][i]; err = 0; err: if (locked) CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME); if (err) { ERR_add_error_data(2,"host=",str); return 0; } else return 1; }