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Fix DNS resolution w/ commas in Windows Registry

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Justine Tunney 2022-12-11 13:52:48 -08:00
parent cd0b12ed1a
commit 531bfbd61f
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GPG key ID: BE714B4575D6E328
1 changed files with 8 additions and 3 deletions
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11
libc/dns/getntnameservers.c
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@ -16,11 +16,11 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │ │ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/ ╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/arraylist.internal.h"
#include "libc/calls/calls.h" #include "libc/calls/calls.h"
#include "libc/calls/syscall_support-nt.internal.h" #include "libc/calls/syscall_support-nt.internal.h"
#include "libc/dns/dns.h" #include "libc/dns/dns.h"
#include "libc/dns/resolvconf.h" #include "libc/dns/resolvconf.h"
#include "libc/mem/arraylist.internal.h"
#include "libc/nt/enum/keyaccess.h" #include "libc/nt/enum/keyaccess.h"
#include "libc/nt/enum/reggetvalueflags.h" #include "libc/nt/enum/reggetvalueflags.h"
#include "libc/nt/registry.h" #include "libc/nt/registry.h"
@ -42,6 +42,7 @@ textwindows int GetNtNameServers(struct ResolvConf *resolv) {
int rc; int rc;
char value8[128]; char value8[128];
int64_t hkInterfaces; int64_t hkInterfaces;
char *state, *addr, *tmp;
struct sockaddr_in nameserver; struct sockaddr_in nameserver;
char16_t value[128], uuid[64]; char16_t value[128], uuid[64];
uint32_t i, keycount, valuebytes, uuidlen; uint32_t i, keycount, valuebytes, uuidlen;
@ -75,8 +76,12 @@ textwindows int GetNtNameServers(struct ResolvConf *resolv) {
((valuebytes = sizeof(value)), &valuebytes)) && ((valuebytes = sizeof(value)), &valuebytes)) &&
valuebytes > 2 * sizeof(char16_t)))) { valuebytes > 2 * sizeof(char16_t)))) {
tprecode16to8(value8, sizeof(value8), value); tprecode16to8(value8, sizeof(value8), value);
if (inet_pton(AF_INET, value8, &nameserver.sin_addr.s_addr) == 1) { tmp = value8;
if (append(&resolv->nameservers, &nameserver) != -1) ++rc; while ((addr = strtok_r(tmp, ", ", &state))) {
if (inet_pton(AF_INET, addr, &nameserver.sin_addr.s_addr) == 1) {
if (append(&resolv->nameservers, &nameserver) != -1) ++rc;
}
tmp = NULL;
} }
} }
} }