int proxy_getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints,
struct addrinfo **res)
{
struct servent *se = NULL;
struct hostent *hp = NULL;
struct sockaddr* sockaddr_space = NULL;
struct addrinfo* addrinfo_space = NULL;
// printf("proxy_getaddrinfo node %s service %s\n",node,service);
addrinfo_space = malloc(sizeof(struct addrinfo));
if(!addrinfo_space)
goto err1;
sockaddr_space = malloc(sizeof(struct sockaddr));
if(!sockaddr_space)
goto err2;
bzero(sockaddr_space, sizeof(*sockaddr_space));
bzero(addrinfo_space, sizeof(*addrinfo_space));
if (node &&
!inet_aton(node,&((struct sockaddr_in*)sockaddr_space)->sin_addr)) {
hp = proxy_gethostbyname(node);
if (hp)
memcpy(&((struct sockaddr_in*)sockaddr_space)->sin_addr,
*(hp->h_addr_list),
sizeof(in_addr_t));
else
goto err3;
}
if (service)
se = getservbyname(service, NULL);
if (!se) {
((struct sockaddr_in*)sockaddr_space)->sin_port =
htons(atoi(service?:"0"));
} else
int proxy_getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res) {
struct gethostbyname_data ghdata;
struct addrinfo_data *space;
struct servent *se = NULL;
struct hostent *hp = NULL;
struct servent se_buf;
struct addrinfo *p;
char buf[1024];
int port;
// printf("proxy_getaddrinfo node %s service %s\n",node,service);
space = calloc(1, sizeof(struct addrinfo_data));
if(!space)
return 1;
if(node && !inet_aton(node, &((struct sockaddr_in *) &space->sockaddr_space)->sin_addr)) {
hp = proxy_gethostbyname(node, &ghdata);
if(hp) {
memcpy(&((struct sockaddr_in *) &space->sockaddr_space)->sin_addr,
*(hp->h_addr_list), sizeof(in_addr_t));
} else {
free(space);
return 1;
}
}
if(service)
proxy_getservbyname(service, &se_buf, buf, sizeof(buf), &se);
port = se ? se->s_port : htons(atoi(service ? service : "0"));
((struct sockaddr_in *) &space->sockaddr_space)->sin_port = (in_port_t)port;
*res = p = &space->addrinfo_space;
assert((size_t)p == (size_t) space);
p->ai_addr = &space->sockaddr_space;
if(node)
strncpy(space->addr_name, node, sizeof(space->addr_name));
p->ai_canonname = space->addr_name;
p->ai_next = NULL;
p->ai_family = space->sockaddr_space.sa_family = AF_INET;
p->ai_addrlen = sizeof(space->sockaddr_space);
if(hints) {
p->ai_socktype = hints->ai_socktype;
p->ai_flags = hints->ai_flags;
p->ai_protocol = hints->ai_protocol;
} else {
#ifdef BSD
p->ai_flags = (AI_V4MAPPED | AI_ADDRCONFIG);
#else
p->ai_flags = (AI_ADDRCONFIG);
#endif
}
return 0;
}
unsigned int *get_address(char *hostname)
{
struct hostent *hp;
unsigned int *sin=NULL;
if ((hp = proxy_gethostbyname(hostname))) {
sin = (unsigned int *) malloc(sizeof(unsigned int));
bcopy((char *)(*(hp->h_addr_list)),(char *)sin,sizeof(hp->h_addr_list));
}
return sin;
}
struct hostent *gethostbyname(const char *name) {
if(!init_l)
init_lib();
PDEBUG("gethostbyname: %s\n", name);
if(proxychains_resolver)
return proxy_gethostbyname(name);
else
return true_gethostbyname(name);
return NULL;
}
int proxy_getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res) {
struct gethostbyname_data ghdata;
struct addrinfo_data *space;
struct servent *se = NULL;
struct hostent *hp = NULL;
struct servent se_buf;
struct addrinfo *p;
char buf[1024];
int port;
PFUNC();
// printf("proxy_getaddrinfo node %s service %s\n",node,service);
space = calloc(1, sizeof(struct addrinfo_data));
if(!space) goto err1;
if(node && !inet_aton(node, &((struct sockaddr_in *) &space->sockaddr_space)->sin_addr)) {
/* some folks (nmap) use getaddrinfo() with AI_NUMERICHOST to check whether a string
containing a numeric ip was passed. we must return failure in that case. */
if(hints && (hints->ai_flags & AI_NUMERICHOST)) return EAI_NONAME;
hp = proxy_gethostbyname(node, &ghdata);
if(hp)
memcpy(&((struct sockaddr_in *) &space->sockaddr_space)->sin_addr,
*(hp->h_addr_list), sizeof(in_addr_t));
else
goto err2;
}
if(service) getservbyname_r(service, NULL, &se_buf, buf, sizeof(buf), &se);
port = se ? se->s_port : htons(atoi(service ? service : "0"));
((struct sockaddr_in *) &space->sockaddr_space)->sin_port = port;
*res = p = &space->addrinfo_space;
assert((size_t)p == (size_t) space);
p->ai_addr = &space->sockaddr_space;
if(node)
snprintf(space->addr_name, sizeof(space->addr_name), "%s", node);
p->ai_canonname = space->addr_name;
p->ai_next = NULL;
p->ai_family = space->sockaddr_space.sa_family = AF_INET;
p->ai_addrlen = sizeof(space->sockaddr_space);
if(hints) {
p->ai_socktype = hints->ai_socktype;
p->ai_flags = hints->ai_flags;
p->ai_protocol = hints->ai_protocol;
} else {
#ifndef AI_V4MAPPED
#define AI_V4MAPPED 0
#endif
p->ai_flags = (AI_V4MAPPED | AI_ADDRCONFIG);
}
goto out;
err2:
free(space);
err1:
return 1;
out:
return 0;
}
