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MINOR: tools: remove the central test for "udp" in str2sa_range()

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Now we only rely on dgram type associated with AF_INET/AF_INET6 to infer
UDP4/UDP6. We still keep the hint based on PA_O_SOCKET_FD to detect that
the caller is a listener though. It's still far from optimal but UDP
remains rooted into the protocols and needs to be taken out first.
This commit is contained in:
Willy Tarreau 2020-09-16 15:20:59 +02:00
parent 3baec249b1
commit 62a976cd44
1 changed files with 12 additions and 15 deletions
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27
src/tools.c
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@ -875,7 +875,6 @@ struct sockaddr_storage *str2sa_range(const char *str, int *port, int *low, int
char *port1, *port2;
int portl, porth, porta;
int abstract = 0;
int is_udp = 0;
int new_fd = -1;
int sock_type, ctrl_type;
@ -933,19 +932,16 @@ struct sockaddr_storage *str2sa_range(const char *str, int *port, int *low, int
str2 += 5;
ss.ss_family = AF_INET;
sock_type = ctrl_type = SOCK_DGRAM;
is_udp = 1;
}
else if (strncmp(str2, "udp6@", 5) == 0) {
str2 += 5;
ss.ss_family = AF_INET6;
sock_type = ctrl_type = SOCK_DGRAM;
is_udp = 1;
}
else if (strncmp(str2, "udp@", 4) == 0) {
str2 += 4;
ss.ss_family = AF_UNSPEC;
sock_type = ctrl_type = SOCK_DGRAM;
is_udp = 1;
}
else if (strncmp(str2, "fd@", 3) == 0) {
str2 += 3;
@ -1151,17 +1147,6 @@ struct sockaddr_storage *str2sa_range(const char *str, int *port, int *low, int
}
}
set_host_port(&ss, porta);
if (is_udp && opts & PA_O_SOCKET_FD) {
/* FIXME: for now UDP is still its own family. However some UDP clients
* (logs, dns) use AF_INET and are not aware of AF_CUST_UDP*. Since we
* only want this mapping for listeners and they are the only ones
* setting PA_O_SOCKET_FD, for now we condition this mapping to this.
*/
if (ss.ss_family == AF_INET6)
ss.ss_family = AF_CUST_UDP6;
else
ss.ss_family = AF_CUST_UDP4;
}
}
if (ctrl_type == SOCK_STREAM && !(opts & PA_O_STREAM)) {
@ -1173,6 +1158,18 @@ struct sockaddr_storage *str2sa_range(const char *str, int *port, int *low, int
goto out;
}
if (opts & PA_O_SOCKET_FD && sock_type == SOCK_DGRAM && ctrl_type == SOCK_DGRAM) {
/* FIXME: for now UDP is still its own family. However some UDP clients
* (logs, dns) use AF_INET and are not aware of AF_CUST_UDP*. Since we
* only want this mapping for listeners and they are the only ones
* setting PA_O_SOCKET_FD, for now we condition this mapping to this.
*/
if (ss.ss_family == AF_INET6)
ss.ss_family = AF_CUST_UDP6;
else if (ss.ss_family == AF_INET)
ss.ss_family = AF_CUST_UDP4;
}
ret = &ss;
out:
if (port)