Mercurial > hg > nginx-quic
changeset 3265:0c5c5e876391
ngx_inet6_addr()
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 02 Nov 2009 12:50:00 +0000 |
parents | ebcee0063cd8 |
children | 798141791ad3 |
files | src/core/ngx_inet.c src/core/ngx_inet.h |
diffstat | 2 files changed, 123 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/core/ngx_inet.c +++ b/src/core/ngx_inet.c @@ -59,6 +59,126 @@ ngx_inet_addr(u_char *text, size_t len) } +#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) { + 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, u_char *text, size_t len, ngx_uint_t port) {
--- a/src/core/ngx_inet.h +++ b/src/core/ngx_inet.h @@ -102,6 +102,9 @@ typedef struct { in_addr_t ngx_inet_addr(u_char *text, size_t len); +#if (NGX_HAVE_INET6) +ngx_int_t ngx_inet6_addr(u_char *p, size_t len, u_char *addr); +#endif size_t ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len, ngx_uint_t port); size_t ngx_inet_ntop(int family, void *addr, u_char *text, size_t len);