MEDIUM: config: add complete support for str2sa_range() in 'source' and 'usesrc'

The 'source' and 'usesrc' statements now completely rely on str2sa_range() to
parse an address. A test is made to ensure that the address family supports
connect().
This commit is contained in:
Willy Tarreau 2013-03-10 18:51:54 +01:00
parent b36487e106
commit 2de5dae80e

View File

@ -4462,6 +4462,8 @@ stats_error_parsing:
else if (!defsrv && !strcmp(args[cur_arg], "source")) { /* address to which we bind when connecting */ else if (!defsrv && !strcmp(args[cur_arg], "source")) { /* address to which we bind when connecting */
int port_low, port_high; int port_low, port_high;
struct sockaddr_storage *sk; struct sockaddr_storage *sk;
char *err_msg = NULL;
struct protocol *proto;
if (!*args[cur_arg + 1]) { if (!*args[cur_arg + 1]) {
Alert("parsing [%s:%d] : '%s' expects <addr>[:<port>[-<port>]], and optionally '%s' <addr>, and '%s' <name> as argument.\n", Alert("parsing [%s:%d] : '%s' expects <addr>[:<port>[-<port>]], and optionally '%s' <addr>, and '%s' <name> as argument.\n",
@ -4469,13 +4471,26 @@ stats_error_parsing:
err_code |= ERR_ALERT | ERR_FATAL; err_code |= ERR_ALERT | ERR_FATAL;
goto out; goto out;
} }
newsrv->conn_src.opts |= CO_SRC_BIND; newsrv->conn_src.opts |= CO_SRC_BIND;
sk = str2sa_range(args[cur_arg + 1], &port_low, &port_high, NULL, NULL); sk = str2sa_range(args[cur_arg + 1], &port_low, &port_high, &err_msg, NULL);
if (!sk) { if (!sk) {
Alert("parsing [%s:%d] : Unknown host in '%s'\n", file, linenum, args[cur_arg + 1]); Alert("parsing [%s:%d] : '%s %s' : %s\n",
file, linenum, args[cur_arg], args[cur_arg+1], err_msg);
err_code |= ERR_ALERT | ERR_FATAL;
free(err_msg);
goto out;
}
free(err_msg);
proto = protocol_by_family(sk->ss_family);
if (!proto || !proto->connect) {
Alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
file, linenum, args[cur_arg], args[cur_arg+1]);
err_code |= ERR_ALERT | ERR_FATAL; err_code |= ERR_ALERT | ERR_FATAL;
goto out; goto out;
} }
newsrv->conn_src.source_addr = *sk; newsrv->conn_src.source_addr = *sk;
if (port_low != port_high) { if (port_low != port_high) {
@ -4568,13 +4583,24 @@ stats_error_parsing:
struct sockaddr_storage *sk; struct sockaddr_storage *sk;
int port1, port2; int port1, port2;
sk = str2sa_range(args[cur_arg + 1], &port1, &port2, NULL, NULL); sk = str2sa_range(args[cur_arg + 1], &port1, &port2, &err_msg, NULL);
if (!sk) { if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n", Alert("parsing [%s:%d] : '%s %s' : %s\n",
file, linenum, args[cur_arg], args[cur_arg+1], err_msg);
err_code |= ERR_ALERT | ERR_FATAL;
free(err_msg);
goto out;
}
free(err_msg);
proto = protocol_by_family(sk->ss_family);
if (!proto || !proto->connect) {
Alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
file, linenum, args[cur_arg], args[cur_arg+1]); file, linenum, args[cur_arg], args[cur_arg+1]);
err_code |= ERR_ALERT | ERR_FATAL; err_code |= ERR_ALERT | ERR_FATAL;
goto out; goto out;
} }
if (port1 != port2) { if (port1 != port2) {
Alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'\n", Alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'\n",
file, linenum, args[cur_arg], args[cur_arg + 1]); file, linenum, args[cur_arg], args[cur_arg + 1]);
@ -4922,6 +4948,8 @@ stats_error_parsing:
int cur_arg; int cur_arg;
int port1, port2; int port1, port2;
struct sockaddr_storage *sk; struct sockaddr_storage *sk;
char *err_msg = NULL;
struct protocol *proto;
if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL)) if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
err_code |= ERR_WARN; err_code |= ERR_WARN;
@ -4939,9 +4967,19 @@ stats_error_parsing:
curproxy->conn_src.iface_name = NULL; curproxy->conn_src.iface_name = NULL;
curproxy->conn_src.iface_len = 0; curproxy->conn_src.iface_len = 0;
sk = str2sa_range(args[1], &port1, &port2, NULL, NULL); sk = str2sa_range(args[1], &port1, &port2, &err_msg, NULL);
if (!sk) { if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n", Alert("parsing [%s:%d] : '%s %s' : %s\n",
file, linenum, args[0], args[1], err_msg);
err_code |= ERR_ALERT | ERR_FATAL;
free(err_msg);
goto out;
}
free(err_msg);
proto = protocol_by_family(sk->ss_family);
if (!proto || !proto->connect) {
Alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
file, linenum, args[0], args[1]); file, linenum, args[0], args[1]);
err_code |= ERR_ALERT | ERR_FATAL; err_code |= ERR_ALERT | ERR_FATAL;
goto out; goto out;
@ -5022,14 +5060,25 @@ stats_error_parsing:
goto out; goto out;
} }
} else { } else {
struct sockaddr_storage *sk = str2sa_range(args[cur_arg + 1], &port1, &port2, NULL, NULL); struct sockaddr_storage *sk = str2sa_range(args[cur_arg + 1], &port1, &port2, &err_msg, NULL);
if (!sk) { if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n", Alert("parsing [%s:%d] : '%s %s' : %s\n",
file, linenum, args[cur_arg], args[cur_arg+1], err_msg);
err_code |= ERR_ALERT | ERR_FATAL;
free(err_msg);
goto out;
}
free(err_msg);
proto = protocol_by_family(sk->ss_family);
if (!proto || !proto->connect) {
Alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
file, linenum, args[cur_arg], args[cur_arg+1]); file, linenum, args[cur_arg], args[cur_arg+1]);
err_code |= ERR_ALERT | ERR_FATAL; err_code |= ERR_ALERT | ERR_FATAL;
goto out; goto out;
} }
if (port1 != port2) { if (port1 != port2) {
Alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'\n", Alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'\n",
file, linenum, args[cur_arg], args[cur_arg + 1]); file, linenum, args[cur_arg], args[cur_arg + 1]);