mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-25 04:39:48 +00:00
Style, minor cleanups
This commit is contained in:
Glenn L McGrath
parent
efdd0aed23
commit
30db423e11
@ -4,7 +4,7 @@
|
||||
*
|
||||
* Heavily modified by Manuel Novoa III Mar 12, 2001
|
||||
*
|
||||
* Version: $Id: inet_common.c,v 1.4 2002/11/26 02:35:15 bug1 Exp $
|
||||
* Version: $Id: inet_common.c,v 1.5 2002/11/28 09:52:23 bug1 Exp $
|
||||
*
|
||||
*/
|
||||
|
||||
@ -21,181 +21,187 @@
|
||||
#endif
|
||||
|
||||
|
||||
const char bb_INET_default[]="default";
|
||||
const char bb_INET_default[] = "default";
|
||||
|
||||
int INET_resolve(const char *name, struct sockaddr_in *s_in, int hostfirst)
|
||||
{
|
||||
struct hostent *hp;
|
||||
struct netent *np;
|
||||
struct hostent *hp;
|
||||
struct netent *np;
|
||||
|
||||
/* Grmpf. -FvK */
|
||||
s_in->sin_family = AF_INET;
|
||||
s_in->sin_port = 0;
|
||||
/* Grmpf. -FvK */
|
||||
s_in->sin_family = AF_INET;
|
||||
s_in->sin_port = 0;
|
||||
|
||||
/* Default is special, meaning 0.0.0.0. */
|
||||
if (!strcmp(name, bb_INET_default)) {
|
||||
s_in->sin_addr.s_addr = INADDR_ANY;
|
||||
return (1);
|
||||
}
|
||||
/* Look to see if it's a dotted quad. */
|
||||
if (inet_aton(name, &s_in->sin_addr)) {
|
||||
return 0;
|
||||
}
|
||||
/* If we expect this to be a hostname, try hostname database first */
|
||||
/* Default is special, meaning 0.0.0.0. */
|
||||
if (!strcmp(name, bb_INET_default)) {
|
||||
s_in->sin_addr.s_addr = INADDR_ANY;
|
||||
return (1);
|
||||
}
|
||||
/* Look to see if it's a dotted quad. */
|
||||
if (inet_aton(name, &s_in->sin_addr)) {
|
||||
return 0;
|
||||
}
|
||||
/* If we expect this to be a hostname, try hostname database first */
|
||||
#ifdef DEBUG
|
||||
if (hostfirst) fprintf (stderr, "gethostbyname (%s)\n", name);
|
||||
if (hostfirst) {
|
||||
error_msg("gethostbyname (%s)", name);
|
||||
}
|
||||
#endif
|
||||
if (hostfirst &&
|
||||
(hp = gethostbyname(name)) != (struct hostent *) NULL) {
|
||||
if (hostfirst && (hp = gethostbyname(name)) != (struct hostent *) NULL) {
|
||||
memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
|
||||
sizeof(struct in_addr));
|
||||
return 0;
|
||||
}
|
||||
/* Try the NETWORKS database to see if this is a known network. */
|
||||
#ifdef DEBUG
|
||||
error_msg("getnetbyname (%s)", name);
|
||||
#endif
|
||||
if ((np = getnetbyname(name)) != (struct netent *) NULL) {
|
||||
s_in->sin_addr.s_addr = htonl(np->n_net);
|
||||
return 1;
|
||||
}
|
||||
if (hostfirst) {
|
||||
/* Don't try again */
|
||||
errno = h_errno;
|
||||
return -1;
|
||||
}
|
||||
#ifdef DEBUG
|
||||
res_init();
|
||||
_res.options |= RES_DEBUG;
|
||||
#endif
|
||||
|
||||
#ifdef DEBUG
|
||||
error_msg("gethostbyname (%s)", name);
|
||||
#endif
|
||||
if ((hp = gethostbyname(name)) == (struct hostent *) NULL) {
|
||||
errno = h_errno;
|
||||
return -1;
|
||||
}
|
||||
memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
|
||||
sizeof(struct in_addr));
|
||||
sizeof(struct in_addr));
|
||||
|
||||
return 0;
|
||||
}
|
||||
/* Try the NETWORKS database to see if this is a known network. */
|
||||
#ifdef DEBUG
|
||||
fprintf (stderr, "getnetbyname (%s)\n", name);
|
||||
#endif
|
||||
if ((np = getnetbyname(name)) != (struct netent *) NULL) {
|
||||
s_in->sin_addr.s_addr = htonl(np->n_net);
|
||||
return 1;
|
||||
}
|
||||
if (hostfirst) {
|
||||
/* Don't try again */
|
||||
errno = h_errno;
|
||||
return -1;
|
||||
}
|
||||
#ifdef DEBUG
|
||||
res_init();
|
||||
_res.options |= RES_DEBUG;
|
||||
#endif
|
||||
|
||||
#ifdef DEBUG
|
||||
fprintf (stderr, "gethostbyname (%s)\n", name);
|
||||
#endif
|
||||
if ((hp = gethostbyname(name)) == (struct hostent *) NULL) {
|
||||
errno = h_errno;
|
||||
return -1;
|
||||
}
|
||||
memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
|
||||
sizeof(struct in_addr));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* cache */
|
||||
struct addr {
|
||||
struct sockaddr_in addr;
|
||||
char *name;
|
||||
int host;
|
||||
struct addr *next;
|
||||
struct sockaddr_in addr;
|
||||
char *name;
|
||||
int host;
|
||||
struct addr *next;
|
||||
};
|
||||
|
||||
static struct addr *INET_nn = NULL; /* addr-to-name cache */
|
||||
static struct addr *INET_nn = NULL; /* addr-to-name cache */
|
||||
|
||||
/* numeric: & 0x8000: default instead of *,
|
||||
* & 0x4000: host instead of net,
|
||||
* & 0x0fff: don't resolve
|
||||
*/
|
||||
int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
|
||||
int numeric, unsigned int netmask)
|
||||
int numeric, unsigned int netmask)
|
||||
{
|
||||
struct hostent *ent;
|
||||
struct netent *np;
|
||||
struct addr *pn;
|
||||
unsigned long ad, host_ad;
|
||||
int host = 0;
|
||||
struct hostent *ent;
|
||||
struct netent *np;
|
||||
struct addr *pn;
|
||||
unsigned long ad, host_ad;
|
||||
int host = 0;
|
||||
|
||||
/* Grmpf. -FvK */
|
||||
if (s_in->sin_family != AF_INET) {
|
||||
/* Grmpf. -FvK */
|
||||
if (s_in->sin_family != AF_INET) {
|
||||
#ifdef DEBUG
|
||||
fprintf(stderr, "rresolve: unsupport address family %d !\n", s_in->sin_family);
|
||||
error_msg("rresolve: unsupport address family %d !",
|
||||
s_in->sin_family);
|
||||
#endif
|
||||
errno = EAFNOSUPPORT;
|
||||
return (-1);
|
||||
}
|
||||
ad = (unsigned long) s_in->sin_addr.s_addr;
|
||||
#ifdef DEBUG
|
||||
fprintf (stderr, "rresolve: %08lx, mask %08x, num %08x \n", ad, netmask, numeric);
|
||||
#endif
|
||||
if (ad == INADDR_ANY) {
|
||||
if ((numeric & 0x0FFF) == 0) {
|
||||
if (numeric & 0x8000)
|
||||
safe_strncpy(name, bb_INET_default, len);
|
||||
else
|
||||
safe_strncpy(name, "*", len);
|
||||
return (0);
|
||||
errno = EAFNOSUPPORT;
|
||||
return (-1);
|
||||
}
|
||||
ad = (unsigned long) s_in->sin_addr.s_addr;
|
||||
#ifdef DEBUG
|
||||
error_msg("rresolve: %08lx, mask %08x, num %08x", ad, netmask, numeric);
|
||||
#endif
|
||||
if (ad == INADDR_ANY) {
|
||||
if ((numeric & 0x0FFF) == 0) {
|
||||
if (numeric & 0x8000)
|
||||
safe_strncpy(name, bb_INET_default, len);
|
||||
else
|
||||
safe_strncpy(name, "*", len);
|
||||
return (0);
|
||||
}
|
||||
}
|
||||
if (numeric & 0x0FFF) {
|
||||
safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
|
||||
return (0);
|
||||
}
|
||||
}
|
||||
if (numeric & 0x0FFF) {
|
||||
safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
|
||||
return (0);
|
||||
}
|
||||
|
||||
if ((ad & (~netmask)) != 0 || (numeric & 0x4000))
|
||||
host = 1;
|
||||
if ((ad & (~netmask)) != 0 || (numeric & 0x4000))
|
||||
host = 1;
|
||||
#if 0
|
||||
INET_nn = NULL;
|
||||
INET_nn = NULL;
|
||||
#endif
|
||||
pn = INET_nn;
|
||||
while (pn != NULL) {
|
||||
if (pn->addr.sin_addr.s_addr == ad && pn->host == host) {
|
||||
safe_strncpy(name, pn->name, len);
|
||||
pn = INET_nn;
|
||||
while (pn != NULL) {
|
||||
if (pn->addr.sin_addr.s_addr == ad && pn->host == host) {
|
||||
safe_strncpy(name, pn->name, len);
|
||||
#ifdef DEBUG
|
||||
fprintf (stderr, "rresolve: found %s %08lx in cache\n", (host? "host": "net"), ad);
|
||||
error_msg("rresolve: found %s %08lx in cache",
|
||||
(host ? "host" : "net"), ad);
|
||||
#endif
|
||||
return (0);
|
||||
return (0);
|
||||
}
|
||||
pn = pn->next;
|
||||
}
|
||||
pn = pn->next;
|
||||
}
|
||||
|
||||
host_ad = ntohl(ad);
|
||||
np = NULL;
|
||||
ent = NULL;
|
||||
if (host) {
|
||||
host_ad = ntohl(ad);
|
||||
np = NULL;
|
||||
ent = NULL;
|
||||
if (host) {
|
||||
#ifdef DEBUG
|
||||
fprintf (stderr, "gethostbyaddr (%08lx)\n", ad);
|
||||
error_msg("gethostbyaddr (%08lx)", ad);
|
||||
#endif
|
||||
ent = gethostbyaddr((char *) &ad, 4, AF_INET);
|
||||
if (ent != NULL)
|
||||
safe_strncpy(name, ent->h_name, len);
|
||||
} else {
|
||||
ent = gethostbyaddr((char *) &ad, 4, AF_INET);
|
||||
if (ent != NULL) {
|
||||
safe_strncpy(name, ent->h_name, len);
|
||||
}
|
||||
} else {
|
||||
#ifdef DEBUG
|
||||
fprintf (stderr, "getnetbyaddr (%08lx)\n", host_ad);
|
||||
error_msg("getnetbyaddr (%08lx)", host_ad);
|
||||
#endif
|
||||
np = getnetbyaddr(host_ad, AF_INET);
|
||||
if (np != NULL)
|
||||
safe_strncpy(name, np->n_name, len);
|
||||
}
|
||||
if ((ent == NULL) && (np == NULL))
|
||||
safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
|
||||
pn = (struct addr *) xmalloc(sizeof(struct addr));
|
||||
pn->addr = *s_in;
|
||||
pn->next = INET_nn;
|
||||
pn->host = host;
|
||||
pn->name = xstrdup(name);
|
||||
INET_nn = pn;
|
||||
np = getnetbyaddr(host_ad, AF_INET);
|
||||
if (np != NULL) {
|
||||
safe_strncpy(name, np->n_name, len);
|
||||
}
|
||||
}
|
||||
if ((ent == NULL) && (np == NULL)) {
|
||||
safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
|
||||
}
|
||||
pn = (struct addr *) xmalloc(sizeof(struct addr));
|
||||
pn->addr = *s_in;
|
||||
pn->next = INET_nn;
|
||||
pn->host = host;
|
||||
pn->name = xstrdup(name);
|
||||
INET_nn = pn;
|
||||
|
||||
return (0);
|
||||
return (0);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_FEATURE_IPV6
|
||||
|
||||
int INET6_resolve(char *name, struct sockaddr_in6 *sin6)
|
||||
{
|
||||
struct addrinfo req, *ai;
|
||||
int s;
|
||||
struct addrinfo req, *ai;
|
||||
int s;
|
||||
|
||||
memset (&req, '\0', sizeof req);
|
||||
req.ai_family = AF_INET6;
|
||||
if ((s = getaddrinfo(name, NULL, &req, &ai))) {
|
||||
fprintf(stderr, "getaddrinfo: %s: %d\n", name, s);
|
||||
return -1;
|
||||
}
|
||||
memcpy(sin6, ai->ai_addr, sizeof(struct sockaddr_in6));
|
||||
memset(&req, '\0', sizeof req);
|
||||
req.ai_family = AF_INET6;
|
||||
if ((s = getaddrinfo(name, NULL, &req, &ai))) {
|
||||
error_msg("getaddrinfo: %s: %d", name, s);
|
||||
return -1;
|
||||
}
|
||||
memcpy(sin6, ai->ai_addr, sizeof(struct sockaddr_in6));
|
||||
|
||||
freeaddrinfo(ai);
|
||||
freeaddrinfo(ai);
|
||||
|
||||
return (0);
|
||||
return (0);
|
||||
}
|
||||
|
||||
#ifndef IN6_IS_ADDR_UNSPECIFIED
|
||||
@ -205,37 +211,39 @@ int INET6_resolve(char *name, struct sockaddr_in6 *sin6)
|
||||
#endif
|
||||
|
||||
|
||||
int INET6_rresolve(char *name, size_t len, struct sockaddr_in6 *sin6, int numeric)
|
||||
int INET6_rresolve(char *name, size_t len, struct sockaddr_in6 *sin6,
|
||||
int numeric)
|
||||
{
|
||||
int s;
|
||||
int s;
|
||||
|
||||
/* Grmpf. -FvK */
|
||||
if (sin6->sin6_family != AF_INET6) {
|
||||
/* Grmpf. -FvK */
|
||||
if (sin6->sin6_family != AF_INET6) {
|
||||
#ifdef DEBUG
|
||||
fprintf(stderr, _("rresolve: unsupport address family %d !\n"),
|
||||
sin6->sin6_family);
|
||||
error_msg(_("rresolve: unsupport address family %d !\n"),
|
||||
sin6->sin6_family);
|
||||
#endif
|
||||
errno = EAFNOSUPPORT;
|
||||
return (-1);
|
||||
}
|
||||
if (numeric & 0x7FFF) {
|
||||
inet_ntop(AF_INET6, &sin6->sin6_addr, name, len);
|
||||
return (0);
|
||||
}
|
||||
if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
|
||||
if (numeric & 0x8000)
|
||||
strcpy(name, "default");
|
||||
else
|
||||
strcpy(name, "*");
|
||||
return (0);
|
||||
}
|
||||
errno = EAFNOSUPPORT;
|
||||
return (-1);
|
||||
}
|
||||
if (numeric & 0x7FFF) {
|
||||
inet_ntop(AF_INET6, &sin6->sin6_addr, name, len);
|
||||
return (0);
|
||||
}
|
||||
if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
|
||||
if (numeric & 0x8000) {
|
||||
strcpy(name, "default");
|
||||
} else {
|
||||
strcpy(name, "*");
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
|
||||
if ((s = getnameinfo((struct sockaddr *) sin6, sizeof(struct sockaddr_in6),
|
||||
name, len , NULL, 0, 0))) {
|
||||
fputs("getnameinfo failed\n", stderr);
|
||||
return -1;
|
||||
}
|
||||
return (0);
|
||||
s = getnameinfo((struct sockaddr *) sin6, sizeof(struct sockaddr_in6), name, len, NULL, 0, 0);
|
||||
if (s) {
|
||||
error_msg("getnameinfo failed");
|
||||
return -1;
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_FEATURE_IPV6 */
|
||||
#endif /* CONFIG_FEATURE_IPV6 */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user