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netctl: Add null check for gethostbyname output. (#1468)
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squidbus 2024-11-01 05:29:24 -07:00 • committed by GitHub
commit 0b015daff7
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1 changed files with 9 additions and 8 deletions
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17
src/core/libraries/network/netctl.cpp
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@ -170,14 +170,15 @@ int PS4_SYSV_ABI sceNetCtlGetInfo(int code, OrbisNetCtlInfo* info) {
"127.0.0.1"); // placeholder in case gethostbyname can't find another ip "127.0.0.1"); // placeholder in case gethostbyname can't find another ip
char devname[80]; char devname[80];
gethostname(devname, 80); gethostname(devname, 80);
struct hostent* resolved = gethostbyname(devname); if (struct hostent* resolved = gethostbyname(devname)) {
for (int i = 0; resolved->h_addr_list[i] != nullptr; ++i) { for (int i = 0; resolved->h_addr_list[i] != nullptr; ++i) {
struct in_addr addrIn; struct in_addr addrIn;
memcpy(&addrIn, resolved->h_addr_list[i], sizeof(u32)); memcpy(&addrIn, resolved->h_addr_list[i], sizeof(u32));
char* addr = inet_ntoa(addrIn); char* addr = inet_ntoa(addrIn);
if (strcmp(addr, "127.0.0.1") != 0) { if (strcmp(addr, "127.0.0.1") != 0) {
strcpy(info->ip_address, addr); strcpy(info->ip_address, addr);
break; break;
}
} }
} }
break; break;