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-rw-r--r--app/nginx/src/core/ngx_inet.c1493
1 files changed, 0 insertions, 1493 deletions
diff --git a/app/nginx/src/core/ngx_inet.c b/app/nginx/src/core/ngx_inet.c
deleted file mode 100644
index 3bcd3e7..0000000
--- a/app/nginx/src/core/ngx_inet.c
+++ /dev/null
@@ -1,1493 +0,0 @@
-
-/*
- * Copyright (C) Igor Sysoev
- * Copyright (C) Nginx, Inc.
- */
-
-
-#include <ngx_config.h>
-#include <ngx_core.h>
-
-
-static ngx_int_t ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u);
-static ngx_int_t ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u);
-static ngx_int_t ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u);
-
-
-in_addr_t
-ngx_inet_addr(u_char *text, size_t len)
-{
- u_char *p, c;
- in_addr_t addr;
- ngx_uint_t octet, n;
-
- addr = 0;
- octet = 0;
- n = 0;
-
- for (p = text; p < text + len; p++) {
- c = *p;
-
- if (c >= '0' && c <= '9') {
- octet = octet * 10 + (c - '0');
-
- if (octet > 255) {
- return INADDR_NONE;
- }
-
- continue;
- }
-
- if (c == '.') {
- addr = (addr << 8) + octet;
- octet = 0;
- n++;
- continue;
- }
-
- return INADDR_NONE;
- }
-
- if (n == 3) {
- addr = (addr << 8) + octet;
- return htonl(addr);
- }
-
- return INADDR_NONE;
-}
-
-
-#if (NGX_HAVE_INET6)
-
-ngx_int_t
-ngx_inet6_addr(u_char *p, size_t len, u_char *addr)
-{
- u_char c, *zero, *digit, *s, *d;
- size_t len4;
- ngx_uint_t n, nibbles, word;
-
- if (len == 0) {
- return NGX_ERROR;
- }
-
- zero = NULL;
- digit = NULL;
- len4 = 0;
- nibbles = 0;
- word = 0;
- n = 8;
-
- if (p[0] == ':') {
- p++;
- len--;
- }
-
- for (/* void */; len; len--) {
- c = *p++;
-
- if (c == ':') {
- if (nibbles) {
- digit = p;
- len4 = len;
- *addr++ = (u_char) (word >> 8);
- *addr++ = (u_char) (word & 0xff);
-
- if (--n) {
- nibbles = 0;
- word = 0;
- continue;
- }
-
- } else {
- if (zero == NULL) {
- digit = p;
- len4 = len;
- zero = addr;
- continue;
- }
- }
-
- return NGX_ERROR;
- }
-
- if (c == '.' && nibbles) {
- if (n < 2 || digit == NULL) {
- return NGX_ERROR;
- }
-
- word = ngx_inet_addr(digit, len4 - 1);
- if (word == INADDR_NONE) {
- return NGX_ERROR;
- }
-
- word = ntohl(word);
- *addr++ = (u_char) ((word >> 24) & 0xff);
- *addr++ = (u_char) ((word >> 16) & 0xff);
- n--;
- break;
- }
-
- if (++nibbles > 4) {
- return NGX_ERROR;
- }
-
- if (c >= '0' && c <= '9') {
- word = word * 16 + (c - '0');
- continue;
- }
-
- c |= 0x20;
-
- if (c >= 'a' && c <= 'f') {
- word = word * 16 + (c - 'a') + 10;
- continue;
- }
-
- return NGX_ERROR;
- }
-
- if (nibbles == 0 && zero == NULL) {
- return NGX_ERROR;
- }
-
- *addr++ = (u_char) (word >> 8);
- *addr++ = (u_char) (word & 0xff);
-
- if (--n) {
- if (zero) {
- n *= 2;
- s = addr - 1;
- d = s + n;
- while (s >= zero) {
- *d-- = *s--;
- }
- ngx_memzero(zero, n);
- return NGX_OK;
- }
-
- } else {
- if (zero == NULL) {
- return NGX_OK;
- }
- }
-
- return NGX_ERROR;
-}
-
-#endif
-
-
-size_t
-ngx_sock_ntop(struct sockaddr *sa, socklen_t socklen, u_char *text, size_t len,
- ngx_uint_t port)
-{
- u_char *p;
- struct sockaddr_in *sin;
-#if (NGX_HAVE_INET6)
- size_t n;
- struct sockaddr_in6 *sin6;
-#endif
-#if (NGX_HAVE_UNIX_DOMAIN)
- struct sockaddr_un *saun;
-#endif
-
- switch (sa->sa_family) {
-
- case AF_INET:
-
- sin = (struct sockaddr_in *) sa;
- p = (u_char *) &sin->sin_addr;
-
- if (port) {
- p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud:%d",
- p[0], p[1], p[2], p[3], ntohs(sin->sin_port));
- } else {
- p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
- p[0], p[1], p[2], p[3]);
- }
-
- return (p - text);
-
-#if (NGX_HAVE_INET6)
-
- case AF_INET6:
-
- sin6 = (struct sockaddr_in6 *) sa;
-
- n = 0;
-
- if (port) {
- text[n++] = '[';
- }
-
- n = ngx_inet6_ntop(sin6->sin6_addr.s6_addr, &text[n], len);
-
- if (port) {
- n = ngx_sprintf(&text[1 + n], "]:%d",
- ntohs(sin6->sin6_port)) - text;
- }
-
- return n;
-#endif
-
-#if (NGX_HAVE_UNIX_DOMAIN)
-
- case AF_UNIX:
- saun = (struct sockaddr_un *) sa;
-
- /* on Linux sockaddr might not include sun_path at all */
-
- if (socklen <= (socklen_t) offsetof(struct sockaddr_un, sun_path)) {
- p = ngx_snprintf(text, len, "unix:%Z");
-
- } else {
- p = ngx_snprintf(text, len, "unix:%s%Z", saun->sun_path);
- }
-
- /* we do not include trailing zero in address length */
-
- return (p - text - 1);
-
-#endif
-
- default:
- return 0;
- }
-}
-
-
-size_t
-ngx_inet_ntop(int family, void *addr, u_char *text, size_t len)
-{
- u_char *p;
-
- switch (family) {
-
- case AF_INET:
-
- p = addr;
-
- return ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
- p[0], p[1], p[2], p[3])
- - text;
-
-#if (NGX_HAVE_INET6)
-
- case AF_INET6:
- return ngx_inet6_ntop(addr, text, len);
-
-#endif
-
- default:
- return 0;
- }
-}
-
-
-#if (NGX_HAVE_INET6)
-
-size_t
-ngx_inet6_ntop(u_char *p, u_char *text, size_t len)
-{
- u_char *dst;
- size_t max, n;
- ngx_uint_t i, zero, last;
-
- if (len < NGX_INET6_ADDRSTRLEN) {
- return 0;
- }
-
- zero = (ngx_uint_t) -1;
- last = (ngx_uint_t) -1;
- max = 1;
- n = 0;
-
- for (i = 0; i < 16; i += 2) {
-
- if (p[i] || p[i + 1]) {
-
- if (max < n) {
- zero = last;
- max = n;
- }
-
- n = 0;
- continue;
- }
-
- if (n++ == 0) {
- last = i;
- }
- }
-
- if (max < n) {
- zero = last;
- max = n;
- }
-
- dst = text;
- n = 16;
-
- if (zero == 0) {
-
- if ((max == 5 && p[10] == 0xff && p[11] == 0xff)
- || (max == 6)
- || (max == 7 && p[14] != 0 && p[15] != 1))
- {
- n = 12;
- }
-
- *dst++ = ':';
- }
-
- for (i = 0; i < n; i += 2) {
-
- if (i == zero) {
- *dst++ = ':';
- i += (max - 1) * 2;
- continue;
- }
-
- dst = ngx_sprintf(dst, "%xd", p[i] * 256 + p[i + 1]);
-
- if (i < 14) {
- *dst++ = ':';
- }
- }
-
- if (n == 12) {
- dst = ngx_sprintf(dst, "%ud.%ud.%ud.%ud", p[12], p[13], p[14], p[15]);
- }
-
- return dst - text;
-}
-
-#endif
-
-
-ngx_int_t
-ngx_ptocidr(ngx_str_t *text, ngx_cidr_t *cidr)
-{
- u_char *addr, *mask, *last;
- size_t len;
- ngx_int_t shift;
-#if (NGX_HAVE_INET6)
- ngx_int_t rc;
- ngx_uint_t s, i;
-#endif
-
- addr = text->data;
- last = addr + text->len;
-
- mask = ngx_strlchr(addr, last, '/');
- len = (mask ? mask : last) - addr;
-
- cidr->u.in.addr = ngx_inet_addr(addr, len);
-
- if (cidr->u.in.addr != INADDR_NONE) {
- cidr->family = AF_INET;
-
- if (mask == NULL) {
- cidr->u.in.mask = 0xffffffff;
- return NGX_OK;
- }
-
-#if (NGX_HAVE_INET6)
- } else if (ngx_inet6_addr(addr, len, cidr->u.in6.addr.s6_addr) == NGX_OK) {
- cidr->family = AF_INET6;
-
- if (mask == NULL) {
- ngx_memset(cidr->u.in6.mask.s6_addr, 0xff, 16);
- return NGX_OK;
- }
-
-#endif
- } else {
- return NGX_ERROR;
- }
-
- mask++;
-
- shift = ngx_atoi(mask, last - mask);
- if (shift == NGX_ERROR) {
- return NGX_ERROR;
- }
-
- switch (cidr->family) {
-
-#if (NGX_HAVE_INET6)
- case AF_INET6:
- if (shift > 128) {
- return NGX_ERROR;
- }
-
- addr = cidr->u.in6.addr.s6_addr;
- mask = cidr->u.in6.mask.s6_addr;
- rc = NGX_OK;
-
- for (i = 0; i < 16; i++) {
-
- s = (shift > 8) ? 8 : shift;
- shift -= s;
-
- mask[i] = (u_char) (0xffu << (8 - s));
-
- if (addr[i] != (addr[i] & mask[i])) {
- rc = NGX_DONE;
- addr[i] &= mask[i];
- }
- }
-
- return rc;
-#endif
-
- default: /* AF_INET */
- if (shift > 32) {
- return NGX_ERROR;
- }
-
- if (shift) {
- cidr->u.in.mask = htonl((uint32_t) (0xffffffffu << (32 - shift)));
-
- } else {
- /* x86 compilers use a shl instruction that shifts by modulo 32 */
- cidr->u.in.mask = 0;
- }
-
- if (cidr->u.in.addr == (cidr->u.in.addr & cidr->u.in.mask)) {
- return NGX_OK;
- }
-
- cidr->u.in.addr &= cidr->u.in.mask;
-
- return NGX_DONE;
- }
-}
-
-
-ngx_int_t
-ngx_cidr_match(struct sockaddr *sa, ngx_array_t *cidrs)
-{
-#if (NGX_HAVE_INET6)
- u_char *p;
-#endif
- in_addr_t inaddr;
- ngx_cidr_t *cidr;
- ngx_uint_t family, i;
-#if (NGX_HAVE_INET6)
- ngx_uint_t n;
- struct in6_addr *inaddr6;
-#endif
-
-#if (NGX_SUPPRESS_WARN)
- inaddr = 0;
-#if (NGX_HAVE_INET6)
- inaddr6 = NULL;
-#endif
-#endif
-
- family = sa->sa_family;
-
- if (family == AF_INET) {
- inaddr = ((struct sockaddr_in *) sa)->sin_addr.s_addr;
- }
-
-#if (NGX_HAVE_INET6)
- else if (family == AF_INET6) {
- inaddr6 = &((struct sockaddr_in6 *) sa)->sin6_addr;
-
- if (IN6_IS_ADDR_V4MAPPED(inaddr6)) {
- family = AF_INET;
-
- p = inaddr6->s6_addr;
-
- inaddr = p[12] << 24;
- inaddr += p[13] << 16;
- inaddr += p[14] << 8;
- inaddr += p[15];
-
- inaddr = htonl(inaddr);
- }
- }
-#endif
-
- for (cidr = cidrs->elts, i = 0; i < cidrs->nelts; i++) {
- if (cidr[i].family != family) {
- goto next;
- }
-
- switch (family) {
-
-#if (NGX_HAVE_INET6)
- case AF_INET6:
- for (n = 0; n < 16; n++) {
- if ((inaddr6->s6_addr[n] & cidr[i].u.in6.mask.s6_addr[n])
- != cidr[i].u.in6.addr.s6_addr[n])
- {
- goto next;
- }
- }
- break;
-#endif
-
-#if (NGX_HAVE_UNIX_DOMAIN)
- case AF_UNIX:
- break;
-#endif
-
- default: /* AF_INET */
- if ((inaddr & cidr[i].u.in.mask) != cidr[i].u.in.addr) {
- goto next;
- }
- break;
- }
-
- return NGX_OK;
-
- next:
- continue;
- }
-
- return NGX_DECLINED;
-}
-
-
-ngx_int_t
-ngx_parse_addr(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text, size_t len)
-{
- in_addr_t inaddr;
- ngx_uint_t family;
- struct sockaddr_in *sin;
-#if (NGX_HAVE_INET6)
- struct in6_addr inaddr6;
- struct sockaddr_in6 *sin6;
-
- /*
- * prevent MSVC8 warning:
- * potentially uninitialized local variable 'inaddr6' used
- */
- ngx_memzero(&inaddr6, sizeof(struct in6_addr));
-#endif
-
- inaddr = ngx_inet_addr(text, len);
-
- if (inaddr != INADDR_NONE) {
- family = AF_INET;
- len = sizeof(struct sockaddr_in);
-
-#if (NGX_HAVE_INET6)
- } else if (ngx_inet6_addr(text, len, inaddr6.s6_addr) == NGX_OK) {
- family = AF_INET6;
- len = sizeof(struct sockaddr_in6);
-
-#endif
- } else {
- return NGX_DECLINED;
- }
-
- addr->sockaddr = ngx_pcalloc(pool, len);
- if (addr->sockaddr == NULL) {
- return NGX_ERROR;
- }
-
- addr->sockaddr->sa_family = (u_char) family;
- addr->socklen = len;
-
- switch (family) {
-
-#if (NGX_HAVE_INET6)
- case AF_INET6:
- sin6 = (struct sockaddr_in6 *) addr->sockaddr;
- ngx_memcpy(sin6->sin6_addr.s6_addr, inaddr6.s6_addr, 16);
- break;
-#endif
-
- default: /* AF_INET */
- sin = (struct sockaddr_in *) addr->sockaddr;
- sin->sin_addr.s_addr = inaddr;
- break;
- }
-
- return NGX_OK;
-}
-
-
-ngx_int_t
-ngx_parse_addr_port(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text,
- size_t len)
-{
- u_char *p, *last;
- size_t plen;
- ngx_int_t rc, port;
-
- rc = ngx_parse_addr(pool, addr, text, len);
-
- if (rc != NGX_DECLINED) {
- return rc;
- }
-
- last = text + len;
-
-#if (NGX_HAVE_INET6)
- if (len && text[0] == '[') {
-
- p = ngx_strlchr(text, last, ']');
-
- if (p == NULL || p == last - 1 || *++p != ':') {
- return NGX_DECLINED;
- }
-
- text++;
- len -= 2;
-
- } else
-#endif
-
- {
- p = ngx_strlchr(text, last, ':');
-
- if (p == NULL) {
- return NGX_DECLINED;
- }
- }
-
- p++;
- plen = last - p;
-
- port = ngx_atoi(p, plen);
-
- if (port < 1 || port > 65535) {
- return NGX_DECLINED;
- }
-
- len -= plen + 1;
-
- rc = ngx_parse_addr(pool, addr, text, len);
-
- if (rc != NGX_OK) {
- return rc;
- }
-
- ngx_inet_set_port(addr->sockaddr, (in_port_t) port);
-
- return NGX_OK;
-}
-
-
-ngx_int_t
-ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u)
-{
- u_char *p;
- size_t len;
-
- p = u->url.data;
- len = u->url.len;
-
- if (len >= 5 && ngx_strncasecmp(p, (u_char *) "unix:", 5) == 0) {
- return ngx_parse_unix_domain_url(pool, u);
- }
-
- if (len && p[0] == '[') {
- return ngx_parse_inet6_url(pool, u);
- }
-
- return ngx_parse_inet_url(pool, u);
-}
-
-
-static ngx_int_t
-ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u)
-{
-#if (NGX_HAVE_UNIX_DOMAIN)
- u_char *path, *uri, *last;
- size_t len;
- struct sockaddr_un *saun;
-
- len = u->url.len;
- path = u->url.data;
-
- path += 5;
- len -= 5;
-
- if (u->uri_part) {
-
- last = path + len;
- uri = ngx_strlchr(path, last, ':');
-
- if (uri) {
- len = uri - path;
- uri++;
- u->uri.len = last - uri;
- u->uri.data = uri;
- }
- }
-
- if (len == 0) {
- u->err = "no path in the unix domain socket";
- return NGX_ERROR;
- }
-
- u->host.len = len++;
- u->host.data = path;
-
- if (len > sizeof(saun->sun_path)) {
- u->err = "too long path in the unix domain socket";
- return NGX_ERROR;
- }
-
- u->socklen = sizeof(struct sockaddr_un);
- saun = (struct sockaddr_un *) &u->sockaddr;
- saun->sun_family = AF_UNIX;
- (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
-
- u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
- if (u->addrs == NULL) {
- return NGX_ERROR;
- }
-
- saun = ngx_pcalloc(pool, sizeof(struct sockaddr_un));
- if (saun == NULL) {
- return NGX_ERROR;
- }
-
- u->family = AF_UNIX;
- u->naddrs = 1;
-
- saun->sun_family = AF_UNIX;
- (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
-
- u->addrs[0].sockaddr = (struct sockaddr *) saun;
- u->addrs[0].socklen = sizeof(struct sockaddr_un);
- u->addrs[0].name.len = len + 4;
- u->addrs[0].name.data = u->url.data;
-
- return NGX_OK;
-
-#else
-
- u->err = "the unix domain sockets are not supported on this platform";
-
- return NGX_ERROR;
-
-#endif
-}
-
-
-static ngx_int_t
-ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u)
-{
- u_char *p, *host, *port, *last, *uri, *args;
- size_t len;
- ngx_int_t n;
- struct sockaddr_in *sin;
-#if (NGX_HAVE_INET6)
- struct sockaddr_in6 *sin6;
-#endif
-
- u->socklen = sizeof(struct sockaddr_in);
- sin = (struct sockaddr_in *) &u->sockaddr;
- sin->sin_family = AF_INET;
-
- u->family = AF_INET;
-
- host = u->url.data;
-
- last = host + u->url.len;
-
- port = ngx_strlchr(host, last, ':');
-
- uri = ngx_strlchr(host, last, '/');
-
- args = ngx_strlchr(host, last, '?');
-
- if (args) {
- if (uri == NULL || args < uri) {
- uri = args;
- }
- }
-
- if (uri) {
- if (u->listen || !u->uri_part) {
- u->err = "invalid host";
- return NGX_ERROR;
- }
-
- u->uri.len = last - uri;
- u->uri.data = uri;
-
- last = uri;
-
- if (uri < port) {
- port = NULL;
- }
- }
-
- if (port) {
- port++;
-
- len = last - port;
-
- n = ngx_atoi(port, len);
-
- if (n < 1 || n > 65535) {
- u->err = "invalid port";
- return NGX_ERROR;
- }
-
- u->port = (in_port_t) n;
- sin->sin_port = htons((in_port_t) n);
-
- u->port_text.len = len;
- u->port_text.data = port;
-
- last = port - 1;
-
- } else {
- if (uri == NULL) {
-
- if (u->listen) {
-
- /* test value as port only */
-
- n = ngx_atoi(host, last - host);
-
- if (n != NGX_ERROR) {
-
- if (n < 1 || n > 65535) {
- u->err = "invalid port";
- return NGX_ERROR;
- }
-
- u->port = (in_port_t) n;
- sin->sin_port = htons((in_port_t) n);
-
- u->port_text.len = last - host;
- u->port_text.data = host;
-
- u->wildcard = 1;
-
- return NGX_OK;
- }
- }
- }
-
- u->no_port = 1;
- u->port = u->default_port;
- sin->sin_port = htons(u->default_port);
- }
-
- len = last - host;
-
- if (len == 0) {
- u->err = "no host";
- return NGX_ERROR;
- }
-
- u->host.len = len;
- u->host.data = host;
-
- if (u->listen && len == 1 && *host == '*') {
- sin->sin_addr.s_addr = INADDR_ANY;
- u->wildcard = 1;
- return NGX_OK;
- }
-
- sin->sin_addr.s_addr = ngx_inet_addr(host, len);
-
- if (sin->sin_addr.s_addr != INADDR_NONE) {
-
- if (sin->sin_addr.s_addr == INADDR_ANY) {
- u->wildcard = 1;
- }
-
- u->naddrs = 1;
-
- u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
- if (u->addrs == NULL) {
- return NGX_ERROR;
- }
-
- sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
- if (sin == NULL) {
- return NGX_ERROR;
- }
-
- ngx_memcpy(sin, &u->sockaddr, sizeof(struct sockaddr_in));
-
- u->addrs[0].sockaddr = (struct sockaddr *) sin;
- u->addrs[0].socklen = sizeof(struct sockaddr_in);
-
- p = ngx_pnalloc(pool, u->host.len + sizeof(":65535") - 1);
- if (p == NULL) {
- return NGX_ERROR;
- }
-
- u->addrs[0].name.len = ngx_sprintf(p, "%V:%d",
- &u->host, u->port) - p;
- u->addrs[0].name.data = p;
-
- return NGX_OK;
- }
-
- if (u->no_resolve) {
- return NGX_OK;
- }
-
- if (ngx_inet_resolve_host(pool, u) != NGX_OK) {
- return NGX_ERROR;
- }
-
- u->family = u->addrs[0].sockaddr->sa_family;
- u->socklen = u->addrs[0].socklen;
- ngx_memcpy(&u->sockaddr, u->addrs[0].sockaddr, u->addrs[0].socklen);
-
- switch (u->family) {
-
-#if (NGX_HAVE_INET6)
- case AF_INET6:
- sin6 = (struct sockaddr_in6 *) &u->sockaddr;
-
- if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
- u->wildcard = 1;
- }
-
- break;
-#endif
-
- default: /* AF_INET */
- sin = (struct sockaddr_in *) &u->sockaddr;
-
- if (sin->sin_addr.s_addr == INADDR_ANY) {
- u->wildcard = 1;
- }
-
- break;
- }
-
- return NGX_OK;
-}
-
-
-static ngx_int_t
-ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u)
-{
-#if (NGX_HAVE_INET6)
- u_char *p, *host, *port, *last, *uri;
- size_t len;
- ngx_int_t n;
- struct sockaddr_in6 *sin6;
-
- u->socklen = sizeof(struct sockaddr_in6);
- sin6 = (struct sockaddr_in6 *) &u->sockaddr;
- sin6->sin6_family = AF_INET6;
-
- host = u->url.data + 1;
-
- last = u->url.data + u->url.len;
-
- p = ngx_strlchr(host, last, ']');
-
- if (p == NULL) {
- u->err = "invalid host";
- return NGX_ERROR;
- }
-
- port = p + 1;
-
- uri = ngx_strlchr(port, last, '/');
-
- if (uri) {
- if (u->listen || !u->uri_part) {
- u->err = "invalid host";
- return NGX_ERROR;
- }
-
- u->uri.len = last - uri;
- u->uri.data = uri;
-
- last = uri;
- }
-
- if (port < last) {
- if (*port != ':') {
- u->err = "invalid host";
- return NGX_ERROR;
- }
-
- port++;
-
- len = last - port;
-
- n = ngx_atoi(port, len);
-
- if (n < 1 || n > 65535) {
- u->err = "invalid port";
- return NGX_ERROR;
- }
-
- u->port = (in_port_t) n;
- sin6->sin6_port = htons((in_port_t) n);
-
- u->port_text.len = len;
- u->port_text.data = port;
-
- } else {
- u->no_port = 1;
- u->port = u->default_port;
- sin6->sin6_port = htons(u->default_port);
- }
-
- len = p - host;
-
- if (len == 0) {
- u->err = "no host";
- return NGX_ERROR;
- }
-
- u->host.len = len + 2;
- u->host.data = host - 1;
-
- if (ngx_inet6_addr(host, len, sin6->sin6_addr.s6_addr) != NGX_OK) {
- u->err = "invalid IPv6 address";
- return NGX_ERROR;
- }
-
- if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
- u->wildcard = 1;
- }
-
- u->family = AF_INET6;
- u->naddrs = 1;
-
- u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
- if (u->addrs == NULL) {
- return NGX_ERROR;
- }
-
- sin6 = ngx_pcalloc(pool, sizeof(struct sockaddr_in6));
- if (sin6 == NULL) {
- return NGX_ERROR;
- }
-
- ngx_memcpy(sin6, &u->sockaddr, sizeof(struct sockaddr_in6));
-
- u->addrs[0].sockaddr = (struct sockaddr *) sin6;
- u->addrs[0].socklen = sizeof(struct sockaddr_in6);
-
- p = ngx_pnalloc(pool, u->host.len + sizeof(":65535") - 1);
- if (p == NULL) {
- return NGX_ERROR;
- }
-
- u->addrs[0].name.len = ngx_sprintf(p, "%V:%d",
- &u->host, u->port) - p;
- u->addrs[0].name.data = p;
-
- return NGX_OK;
-
-#else
-
- u->err = "the INET6 sockets are not supported on this platform";
-
- return NGX_ERROR;
-
-#endif
-}
-
-
-#if (NGX_HAVE_GETADDRINFO && NGX_HAVE_INET6)
-
-ngx_int_t
-ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u)
-{
- u_char *p, *host;
- size_t len;
- in_port_t port;
- ngx_uint_t i;
- struct addrinfo hints, *res, *rp;
- struct sockaddr_in *sin;
- struct sockaddr_in6 *sin6;
-
- port = htons(u->port);
-
- host = ngx_alloc(u->host.len + 1, pool->log);
- if (host == NULL) {
- return NGX_ERROR;
- }
-
- (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);
-
- ngx_memzero(&hints, sizeof(struct addrinfo));
- hints.ai_family = AF_UNSPEC;
- hints.ai_socktype = SOCK_STREAM;
-#ifdef AI_ADDRCONFIG
- hints.ai_flags = AI_ADDRCONFIG;
-#endif
-
- if (getaddrinfo((char *) host, NULL, &hints, &res) != 0) {
- u->err = "host not found";
- ngx_free(host);
- return NGX_ERROR;
- }
-
- ngx_free(host);
-
- for (i = 0, rp = res; rp != NULL; rp = rp->ai_next) {
-
- switch (rp->ai_family) {
-
- case AF_INET:
- case AF_INET6:
- break;
-
- default:
- continue;
- }
-
- i++;
- }
-
- if (i == 0) {
- u->err = "host not found";
- goto failed;
- }
-
- /* MP: ngx_shared_palloc() */
-
- u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_addr_t));
- if (u->addrs == NULL) {
- goto failed;
- }
-
- u->naddrs = i;
-
- i = 0;
-
- /* AF_INET addresses first */
-
- for (rp = res; rp != NULL; rp = rp->ai_next) {
-
- if (rp->ai_family != AF_INET) {
- continue;
- }
-
- sin = ngx_pcalloc(pool, rp->ai_addrlen);
- if (sin == NULL) {
- goto failed;
- }
-
- ngx_memcpy(sin, rp->ai_addr, rp->ai_addrlen);
-
- sin->sin_port = port;
-
- u->addrs[i].sockaddr = (struct sockaddr *) sin;
- u->addrs[i].socklen = rp->ai_addrlen;
-
- len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;
-
- p = ngx_pnalloc(pool, len);
- if (p == NULL) {
- goto failed;
- }
-
- len = ngx_sock_ntop((struct sockaddr *) sin, rp->ai_addrlen, p, len, 1);
-
- u->addrs[i].name.len = len;
- u->addrs[i].name.data = p;
-
- i++;
- }
-
- for (rp = res; rp != NULL; rp = rp->ai_next) {
-
- if (rp->ai_family != AF_INET6) {
- continue;
- }
-
- sin6 = ngx_pcalloc(pool, rp->ai_addrlen);
- if (sin6 == NULL) {
- goto failed;
- }
-
- ngx_memcpy(sin6, rp->ai_addr, rp->ai_addrlen);
-
- sin6->sin6_port = port;
-
- u->addrs[i].sockaddr = (struct sockaddr *) sin6;
- u->addrs[i].socklen = rp->ai_addrlen;
-
- len = NGX_INET6_ADDRSTRLEN + sizeof("[]:65535") - 1;
-
- p = ngx_pnalloc(pool, len);
- if (p == NULL) {
- goto failed;
- }
-
- len = ngx_sock_ntop((struct sockaddr *) sin6, rp->ai_addrlen, p,
- len, 1);
-
- u->addrs[i].name.len = len;
- u->addrs[i].name.data = p;
-
- i++;
- }
-
- freeaddrinfo(res);
- return NGX_OK;
-
-failed:
-
- freeaddrinfo(res);
- return NGX_ERROR;
-}
-
-#else /* !NGX_HAVE_GETADDRINFO || !NGX_HAVE_INET6 */
-
-ngx_int_t
-ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u)
-{
- u_char *p, *host;
- size_t len;
- in_port_t port;
- in_addr_t in_addr;
- ngx_uint_t i;
- struct hostent *h;
- struct sockaddr_in *sin;
-
- /* AF_INET only */
-
- port = htons(u->port);
-
- in_addr = ngx_inet_addr(u->host.data, u->host.len);
-
- if (in_addr == INADDR_NONE) {
- host = ngx_alloc(u->host.len + 1, pool->log);
- if (host == NULL) {
- return NGX_ERROR;
- }
-
- (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);
-
- h = gethostbyname((char *) host);
-
- ngx_free(host);
-
- if (h == NULL || h->h_addr_list[0] == NULL) {
- u->err = "host not found";
- return NGX_ERROR;
- }
-
- for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ }
-
- /* MP: ngx_shared_palloc() */
-
- u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_addr_t));
- if (u->addrs == NULL) {
- return NGX_ERROR;
- }
-
- u->naddrs = i;
-
- for (i = 0; i < u->naddrs; i++) {
-
- sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
- if (sin == NULL) {
- return NGX_ERROR;
- }
-
- sin->sin_family = AF_INET;
- sin->sin_port = port;
- sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]);
-
- u->addrs[i].sockaddr = (struct sockaddr *) sin;
- u->addrs[i].socklen = sizeof(struct sockaddr_in);
-
- len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;
-
- p = ngx_pnalloc(pool, len);
- if (p == NULL) {
- return NGX_ERROR;
- }
-
- len = ngx_sock_ntop((struct sockaddr *) sin,
- sizeof(struct sockaddr_in), p, len, 1);
-
- u->addrs[i].name.len = len;
- u->addrs[i].name.data = p;
- }
-
- } else {
-
- /* MP: ngx_shared_palloc() */
-
- u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t));
- if (u->addrs == NULL) {
- return NGX_ERROR;
- }
-
- sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
- if (sin == NULL) {
- return NGX_ERROR;
- }
-
- u->naddrs = 1;
-
- sin->sin_family = AF_INET;
- sin->sin_port = port;
- sin->sin_addr.s_addr = in_addr;
-
- u->addrs[0].sockaddr = (struct sockaddr *) sin;
- u->addrs[0].socklen = sizeof(struct sockaddr_in);
-
- p = ngx_pnalloc(pool, u->host.len + sizeof(":65535") - 1);
- if (p == NULL) {
- return NGX_ERROR;
- }
-
- u->addrs[0].name.len = ngx_sprintf(p, "%V:%d",
- &u->host, ntohs(port)) - p;
- u->addrs[0].name.data = p;
- }
-
- return NGX_OK;
-}
-
-#endif /* NGX_HAVE_GETADDRINFO && NGX_HAVE_INET6 */
-
-
-ngx_int_t
-ngx_cmp_sockaddr(struct sockaddr *sa1, socklen_t slen1,
- struct sockaddr *sa2, socklen_t slen2, ngx_uint_t cmp_port)
-{
- struct sockaddr_in *sin1, *sin2;
-#if (NGX_HAVE_INET6)
- struct sockaddr_in6 *sin61, *sin62;
-#endif
-#if (NGX_HAVE_UNIX_DOMAIN)
- size_t len;
- struct sockaddr_un *saun1, *saun2;
-#endif
-
- if (sa1->sa_family != sa2->sa_family) {
- return NGX_DECLINED;
- }
-
- switch (sa1->sa_family) {
-
-#if (NGX_HAVE_INET6)
- case AF_INET6:
-
- sin61 = (struct sockaddr_in6 *) sa1;
- sin62 = (struct sockaddr_in6 *) sa2;
-
- if (cmp_port && sin61->sin6_port != sin62->sin6_port) {
- return NGX_DECLINED;
- }
-
- if (ngx_memcmp(&sin61->sin6_addr, &sin62->sin6_addr, 16) != 0) {
- return NGX_DECLINED;
- }
-
- break;
-#endif
-
-#if (NGX_HAVE_UNIX_DOMAIN)
- case AF_UNIX:
-
- saun1 = (struct sockaddr_un *) sa1;
- saun2 = (struct sockaddr_un *) sa2;
-
- if (slen1 < slen2) {
- len = slen1 - offsetof(struct sockaddr_un, sun_path);
-
- } else {
- len = slen2 - offsetof(struct sockaddr_un, sun_path);
- }
-
- if (len > sizeof(saun1->sun_path)) {
- len = sizeof(saun1->sun_path);
- }
-
- if (ngx_memcmp(&saun1->sun_path, &saun2->sun_path, len) != 0) {
- return NGX_DECLINED;
- }
-
- break;
-#endif
-
- default: /* AF_INET */
-
- sin1 = (struct sockaddr_in *) sa1;
- sin2 = (struct sockaddr_in *) sa2;
-
- if (cmp_port && sin1->sin_port != sin2->sin_port) {
- return NGX_DECLINED;
- }
-
- if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
- return NGX_DECLINED;
- }
-
- break;
- }
-
- return NGX_OK;
-}
-
-
-in_port_t
-ngx_inet_get_port(struct sockaddr *sa)
-{
- struct sockaddr_in *sin;
-#if (NGX_HAVE_INET6)
- struct sockaddr_in6 *sin6;
-#endif
-
- switch (sa->sa_family) {
-
-#if (NGX_HAVE_INET6)
- case AF_INET6:
- sin6 = (struct sockaddr_in6 *) sa;
- return ntohs(sin6->sin6_port);
-#endif
-
-#if (NGX_HAVE_UNIX_DOMAIN)
- case AF_UNIX:
- return 0;
-#endif
-
- default: /* AF_INET */
- sin = (struct sockaddr_in *) sa;
- return ntohs(sin->sin_port);
- }
-}
-
-
-void
-ngx_inet_set_port(struct sockaddr *sa, in_port_t port)
-{
- struct sockaddr_in *sin;
-#if (NGX_HAVE_INET6)
- struct sockaddr_in6 *sin6;
-#endif
-
- switch (sa->sa_family) {
-
-#if (NGX_HAVE_INET6)
- case AF_INET6:
- sin6 = (struct sockaddr_in6 *) sa;
- sin6->sin6_port = htons(port);
- break;
-#endif
-
-#if (NGX_HAVE_UNIX_DOMAIN)
- case AF_UNIX:
- break;
-#endif
-
- default: /* AF_INET */
- sin = (struct sockaddr_in *) sa;
- sin->sin_port = htons(port);
- break;
- }
-}