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Fixed some string overflows.

oldstable
Alexandre Julliard 2003-05-13 04:49:15 +00:00
parent 2bed48d7cd
commit 18ae9b3da6
1 changed files with 8 additions and 8 deletions
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16
dlls/iphlpapi/ifenum.c
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@ -193,7 +193,7 @@ static int isLoopbackInterface(int fd, const char *name)
struct ifreq ifr;
strncpy(ifr.ifr_name, name, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ] = '\0';
ifr.ifr_name[IFNAMSIZ-1] = '\0';
if (ioctl(fd, SIOCGIFFLAGS, &ifr) == 0)
ret = ifr.ifr_flags & IFF_LOOPBACK;
}
@ -247,7 +247,7 @@ static void storeInterfaceInMap(InterfaceNameMap *map, const char *name)
for (ndx = 0; !stored && ndx < map->numAllocated; ndx++) {
if (!map->table[ndx].inUse) {
strncpy(map->table[ndx].name, name, IFNAMSIZ);
map->table[ndx].name[IFNAMSIZ] = '\0';
map->table[ndx].name[IFNAMSIZ-1] = '\0';
map->table[ndx].inUse = TRUE;
stored = TRUE;
if (ndx >= map->nextAvailable)
@ -454,7 +454,7 @@ DWORD getInterfaceIPAddrByName(const char *name)
struct ifreq ifr;
strncpy(ifr.ifr_name, name, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ] = '\0';
ifr.ifr_name[IFNAMSIZ-1] = '\0';
if (ioctl(fd, SIOCGIFADDR, &ifr) == 0)
memcpy(&ret, ifr.ifr_addr.sa_data + 2, sizeof(DWORD));
close(fd);
@ -486,7 +486,7 @@ DWORD getInterfaceBCastAddrByName(const char *name)
struct ifreq ifr;
strncpy(ifr.ifr_name, name, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ] = '\0';
ifr.ifr_name[IFNAMSIZ-1] = '\0';
if (ioctl(fd, SIOCGIFBRDADDR, &ifr) == 0)
memcpy(&ret, ifr.ifr_addr.sa_data + 2, sizeof(DWORD));
close(fd);
@ -518,7 +518,7 @@ DWORD getInterfaceMaskByName(const char *name)
struct ifreq ifr;
strncpy(ifr.ifr_name, name, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ] = '\0';
ifr.ifr_name[IFNAMSIZ-1] = '\0';
if (ioctl(fd, SIOCGIFNETMASK, &ifr) == 0)
memcpy(&ret, ifr.ifr_addr.sa_data + 2, sizeof(DWORD));
close(fd);
@ -555,7 +555,7 @@ DWORD getInterfacePhysicalByName(const char *name, PDWORD len, PBYTE addr,
memset(&ifr, 0, sizeof(struct ifreq));
strncpy(ifr.ifr_name, name, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ] = '\0';
ifr.ifr_name[IFNAMSIZ-1] = '\0';
if ((ioctl(fd, SIOCGIFHWADDR, &ifr)))
ret = ERROR_INVALID_DATA;
else {
@ -783,7 +783,7 @@ DWORD getInterfaceMtuByName(const char *name, PDWORD mtu)
struct ifreq ifr;
strncpy(ifr.ifr_name, name, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ] = '\0';
ifr.ifr_name[IFNAMSIZ-1] = '\0';
if ((ioctl(fd, SIOCGIFMTU, &ifr)))
ret = ERROR_INVALID_DATA;
else {
@ -821,7 +821,7 @@ DWORD getInterfaceStatusByName(const char *name, PDWORD status)
struct ifreq ifr;
strncpy(ifr.ifr_name, name, IFNAMSIZ);
ifr.ifr_name[IFNAMSIZ] = '\0';
ifr.ifr_name[IFNAMSIZ-1] = '\0';
if ((ioctl(fd, SIOCGIFFLAGS, &ifr)))
ret = ERROR_INVALID_DATA;
else {