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- Fix for WKS call to getservbyname that creates allocation on exit

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in unit test by testing numbers first and testing from the services
  list later.
This commit is contained in:
W.C.A. Wijngaards 2023-08-30 14:31:24 +02:00
parent ba1183bb6e
commit d4c4537b33
2 changed files with 16 additions and 10 deletions
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5
doc/Changelog
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@ -1,3 +1,8 @@
30 August 2023: Wouter
- Fix for WKS call to getservbyname that creates allocation on exit
in unit test by testing numbers first and testing from the services
list later.
28 August 2023: Wouter
- Fix for version generation race condition that ignored changes.

21
sldns/str2wire.c
View File

@ -2459,12 +2459,13 @@ int sldns_str2wire_wks_buf(const char* str, uint8_t* rd, size_t* len)
(void)strlcpy(proto_str, token, sizeof(proto_str));
} else {
int serv_port;
struct servent *serv = getservbyname(token, proto_str);
if(serv) serv_port=(int)ntohs((uint16_t)serv->s_port);
if(atoi(token) != 0) serv_port=atoi(token);
else if(strcmp(token, "0") == 0) serv_port=0;
else if(strcasecmp(token, "domain")==0) serv_port=53;
else {
serv_port = atoi(token);
if(serv_port == 0 && strcmp(token, "0") != 0) {
struct servent *serv = getservbyname(token, proto_str);
if(serv) serv_port=(int)ntohs((uint16_t)serv->s_port);
else {
#ifdef HAVE_ENDSERVENT
endservent();
#endif
@ -2474,16 +2475,16 @@ int sldns_str2wire_wks_buf(const char* str, uint8_t* rd, size_t* len)
return RET_ERR(LDNS_WIREPARSE_ERR_SYNTAX,
sldns_buffer_position(&strbuf));
}
if(serv_port < 0 || serv_port > 65535) {
}
if(serv_port < 0 || serv_port > 65535) {
#ifdef HAVE_ENDSERVENT
endservent();
endservent();
#endif
#ifdef HAVE_ENDPROTOENT
endprotoent();
endprotoent();
#endif
return RET_ERR(LDNS_WIREPARSE_ERR_SYNTAX,
sldns_buffer_position(&strbuf));
}
return RET_ERR(LDNS_WIREPARSE_ERR_SYNTAX,
sldns_buffer_position(&strbuf));
}
if(rd_len < 1+serv_port/8+1) {
/* bitmap is larger, init new bytes at 0 */