diff options
Diffstat (limited to '')
-rw-r--r-- | src/win32-misc.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/win32-misc.c b/src/win32-misc.c new file mode 100644 index 0000000..1dc28a6 --- /dev/null +++ b/src/win32-misc.c @@ -0,0 +1,123 @@ +/* Copyright (C) 2007-2010 Open Information Security Foundation + * + * You can copy, redistribute or modify this Program under the terms of + * the GNU General Public License version 2 as published by the Free + * Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +/** + * \file + * + * \author Jan Jezek <jjezek@kerio.com> + * + * Misc Windows utility functions + */ + +#ifdef OS_WIN32 + +#include "suricata-common.h" +#include "win32-misc.h" +#include "direct.h" +#include "util-ip.h" + +void setenv(const char *name, const char *value, int overwrite) +{ + if (overwrite || NULL == getenv(name)) { + char *str = SCMalloc(strlen(name) + strlen(value) + 2); + if (unlikely(str == NULL)) + return; + snprintf(str, strlen(name) + strlen(value) + 1, "%s=%s", name, value); + putenv(str); + SCFree(str); + } +} + +void unsetenv(const char *name) +{ + char *str = SCMalloc(strlen(name) + 2); + if (unlikely(str == NULL)) + return; + snprintf(str, strlen(name) + 1, "%s=", name); + putenv(str); + SCFree(str); +} + +/* these functions have been defined on Vista and later */ +#if NTDDI_VERSION < NTDDI_VISTA +const char* inet_ntop(int af, const void *src, char *dst, uint32_t cnt) +{ + if (af == AF_INET) + { + struct sockaddr_in in; + memset(&in, 0, sizeof(in)); + in.sin_family = AF_INET; + memcpy(&in.sin_addr, src, sizeof(struct in_addr)); + if (0 == getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST)) + return dst; + } + else if (af == AF_INET6) + { + struct sockaddr_in6 in6; + memset(&in6, 0, sizeof(in6)); + in6.sin6_family = AF_INET6; + memcpy(&in6.sin6_addr, src, sizeof(struct in_addr6)); + if (0 == getnameinfo((struct sockaddr *)&in6, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST)) + return dst; + } + return NULL; +} + +int inet_pton(int af, const char *src, void *dst) +{ + struct addrinfo hints; + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = af; + + /* as getaddrinfo below seems more liberal that inet_pton on Linux, + * add this check here that does a guess at the validity of the + * input address. */ + if (af == AF_INET) { + if (!IPv4AddressStringIsValid(src)) + return -1; + } else if (af == AF_INET6) { + if (!IPv6AddressStringIsValid(src)) + return -1; + } + + struct addrinfo* result = NULL; + if (0 != getaddrinfo(src, NULL, &hints, &result)) + return -1; + + if (result) { + if (result->ai_family == AF_INET) { + struct sockaddr_in* in = (struct sockaddr_in*)result->ai_addr; + memcpy(dst, &in->sin_addr, 4); + } + else if (result->ai_family == AF_INET6) { + struct sockaddr_in6* in6 = (struct sockaddr_in6*)result->ai_addr; + memcpy(dst, &in6->sin6_addr, 16); + } + else { + freeaddrinfo(result); + return -1; + } + + freeaddrinfo(result); + return 1; + } + + return -1; +} +#endif + +#endif /* OS_WIN32 */ |