diff options
Diffstat (limited to 'evutil.c')
| -rw-r--r-- | evutil.c | 54 |
1 files changed, 50 insertions, 4 deletions
@@ -41,6 +41,7 @@ /* For structs needed by GetAdaptersAddresses */ #define _WIN32_WINNT 0x0501 #include <iphlpapi.h> +#include <netioapi.h> #endif #include <sys/types.h> @@ -74,6 +75,9 @@ #endif #include <time.h> #include <sys/stat.h> +#ifndef _WIN32 +#include <net/if.h> +#endif #ifdef EVENT__HAVE_IFADDRS_H #include <ifaddrs.h> #endif @@ -694,7 +698,7 @@ evutil_check_ifaddrs(void) "GetAdaptersInfo", but that's deprecated; let's just try GetAdaptersAddresses and fall back to connect+getsockname. */ - HMODULE lib = evutil_load_windows_system_library_(TEXT("ihplapi.dll")); + HMODULE lib = evutil_load_windows_system_library_(TEXT("iphlpapi.dll")); GetAdaptersAddresses_fn_t fn; ULONG size, res; IP_ADAPTER_ADDRESSES *addresses = NULL, *address; @@ -990,6 +994,7 @@ evutil_getaddrinfo_common_(const char *nodename, const char *servname, struct evutil_addrinfo *hints, struct evutil_addrinfo **res, int *portnum) { int port = 0; + unsigned int if_index; const char *pname; if (nodename == NULL && servname == NULL) @@ -1063,10 +1068,12 @@ evutil_getaddrinfo_common_(const char *nodename, const char *servname, if (hints->ai_family == PF_INET6 || hints->ai_family == PF_UNSPEC) { struct sockaddr_in6 sin6; memset(&sin6, 0, sizeof(sin6)); - if (1==evutil_inet_pton(AF_INET6, nodename, &sin6.sin6_addr)) { + if (1 == evutil_inet_pton_scope( + AF_INET6, nodename, &sin6.sin6_addr, &if_index)) { /* Got an ipv6 address. */ sin6.sin6_family = AF_INET6; sin6.sin6_port = htons(port); + sin6.sin6_scope_id = if_index; *res = evutil_new_addrinfo_((struct sockaddr*)&sin6, sizeof(sin6), hints); if (!*res) @@ -1982,6 +1989,41 @@ evutil_inet_ntop(int af, const void *src, char *dst, size_t len) } int +evutil_inet_pton_scope(int af, const char *src, void *dst, unsigned *indexp) +{ + int r; + unsigned if_index; + char *check, *cp, *tmp_src; + + *indexp = 0; /* Reasonable default */ + + /* Bail out if not IPv6 */ + if (af != AF_INET6) + return evutil_inet_pton(af, src, dst); + + cp = strchr(src, '%'); + + /* Bail out if no zone ID */ + if (cp == NULL) + return evutil_inet_pton(af, src, dst); + + if_index = if_nametoindex(cp + 1); + if (if_index == 0) { + /* Could be numeric */ + if_index = strtoul(cp + 1, &check, 10); + if (check[0] != '\0') + return 0; + } + *indexp = if_index; + tmp_src = mm_strdup(src); + cp = strchr(tmp_src, '%'); + *cp = '\0'; + r = evutil_inet_pton(af, tmp_src, dst); + free(tmp_src); + return r; +} + +int evutil_inet_pton(int af, const char *src, void *dst) { #if defined(EVENT__HAVE_INET_PTON) && !defined(USE_INTERNAL_PTON) @@ -2097,6 +2139,7 @@ int evutil_parse_sockaddr_port(const char *ip_as_string, struct sockaddr *out, int *outlen) { int port; + unsigned int if_index; char buf[128]; const char *cp, *addr_part, *port_part; int is_ipv6; @@ -2166,10 +2209,13 @@ evutil_parse_sockaddr_port(const char *ip_as_string, struct sockaddr *out, int * #endif sin6.sin6_family = AF_INET6; sin6.sin6_port = htons(port); - if (1 != evutil_inet_pton(AF_INET6, addr_part, &sin6.sin6_addr)) + if (1 != evutil_inet_pton_scope( + AF_INET6, addr_part, &sin6.sin6_addr, &if_index)) { return -1; + } if ((int)sizeof(sin6) > *outlen) return -1; + sin6.sin6_scope_id = if_index; memset(out, 0, *outlen); memcpy(out, &sin6, sizeof(sin6)); *outlen = sizeof(sin6); @@ -2323,7 +2369,7 @@ static const unsigned char EVUTIL_TOLOWER_TABLE[256] = { #define IMPL_CTYPE_FN(name) \ int EVUTIL_##name##_(char c) { \ ev_uint8_t u = c; \ - return !!(EVUTIL_##name##_TABLE[(u >> 5) & 7] & (1 << (u & 31))); \ + return !!(EVUTIL_##name##_TABLE[(u >> 5) & 7] & (1U << (u & 31))); \ } IMPL_CTYPE_FN(ISALPHA) IMPL_CTYPE_FN(ISALNUM) |