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MINOR: tools: prepare str2sa_range() to return an error message

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We'll need str2sa_range() to return address parsing errors if we want to
extend its functionalities. Let's do that now eventhough it's not used
yet.
This commit is contained in:
Willy Tarreau 2013-03-01 20:22:54 +01:00
parent 3a26918170
commit df350f1f48
3 changed files with 20 additions and 15 deletions
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2
include/common/standard.h
View File

@ -240,7 +240,7 @@ struct sockaddr_storage *str2ip(const char *str);
* The IPv6 '::' address is IN6ADDR_ANY, so in order to bind to a given port on
* IPv6, use ":::port". NULL is returned if the host part cannot be resolved.
*/
struct sockaddr_storage *str2sa_range(const char *str, int *low, int *high);
struct sockaddr_storage *str2sa_range(const char *str, int *low, int *high, char **err);
/* converts <str> to a struct in_addr containing a network mask. It can be
* passed in dotted form (255.255.255.0) or in CIDR form (24). It returns 1

22
src/cfgparse.c
View File

@ -239,7 +239,7 @@ int str2listener(char *str, struct proxy *curproxy, struct bind_conf *bind_conf,
else {
struct sockaddr_storage *ss2;
ss2 = str2sa_range(str, &port, &end);
ss2 = str2sa_range(str, &port, &end, NULL);
if (!ss2) {
memprintf(err, "invalid listening address: '%s'\n", str);
goto fail;
@ -1156,7 +1156,7 @@ int cfg_parse_global(const char *file, int linenum, char **args, int kwm)
struct sockaddr_storage *sk;
int port1, port2;
sk = str2sa_range(args[1], &port1, &port2);
sk = str2sa_range(args[1], &port1, &port2, NULL);
if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n", file, linenum, args[0], args[1]);
err_code |= ERR_ALERT | ERR_FATAL;
@ -1530,7 +1530,7 @@ int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
newpeer->last_change = now.tv_sec;
newpeer->id = strdup(args[1]);
sk = str2sa_range(args[2], &port1, &port2);
sk = str2sa_range(args[2], &port1, &port2, NULL);
if (!sk) {
Alert("parsing [%s:%d] : '%s %s' : unknown host in '%s'\n", file, linenum, args[0], args[1], args[2]);
err_code |= ERR_ALERT | ERR_FATAL;
@ -3986,7 +3986,7 @@ stats_error_parsing:
else if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
err_code |= ERR_WARN;
sk = str2sa_range(args[1], &port1, &port2);
sk = str2sa_range(args[1], &port1, &port2, NULL);
if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n", file, linenum, args[0], args[1]);
err_code |= ERR_ALERT | ERR_FATAL;
@ -4102,7 +4102,7 @@ stats_error_parsing:
* - IP:+N => port=+N, relative
* - IP:-N => port=-N, relative
*/
sk = str2sa_range(args[2], &port1, &port2);
sk = str2sa_range(args[2], &port1, &port2, NULL);
if (!sk) {
Alert("parsing [%s:%d] : Unknown host in '%s'\n", file, linenum, args[2]);
err_code |= ERR_ALERT | ERR_FATAL;
@ -4269,7 +4269,7 @@ stats_error_parsing:
struct sockaddr_storage *sk;
int port1, port2;
sk = str2sa_range(args[cur_arg + 1], &port1, &port2);
sk = str2sa_range(args[cur_arg + 1], &port1, &port2, NULL);
if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n",
file, linenum, args[cur_arg], args[cur_arg + 1]);
@ -4461,7 +4461,7 @@ stats_error_parsing:
goto out;
}
newsrv->conn_src.opts |= CO_SRC_BIND;
sk = str2sa_range(args[cur_arg + 1], &port_low, &port_high);
sk = str2sa_range(args[cur_arg + 1], &port_low, &port_high, NULL);
if (!sk) {
Alert("parsing [%s:%d] : Unknown host in '%s'\n", file, linenum, args[cur_arg + 1]);
err_code |= ERR_ALERT | ERR_FATAL;
@ -4559,7 +4559,7 @@ stats_error_parsing:
struct sockaddr_storage *sk;
int port1, port2;
sk = str2sa_range(args[cur_arg + 1], &port1, &port2);
sk = str2sa_range(args[cur_arg + 1], &port1, &port2, NULL);
if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n",
file, linenum, args[cur_arg], args[cur_arg + 1]);
@ -4887,7 +4887,7 @@ stats_error_parsing:
struct sockaddr_storage *sk;
int port1, port2;
sk = str2sa_range(args[1], &port1, &port2);
sk = str2sa_range(args[1], &port1, &port2, NULL);
if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n",
file, linenum, args[0], args[1]);
@ -4937,7 +4937,7 @@ stats_error_parsing:
curproxy->conn_src.iface_name = NULL;
curproxy->conn_src.iface_len = 0;
sk = str2sa_range(args[1], &port1, &port2);
sk = str2sa_range(args[1], &port1, &port2, NULL);
if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n",
file, linenum, args[0], args[1]);
@ -5020,7 +5020,7 @@ stats_error_parsing:
goto out;
}
} else {
struct sockaddr_storage *sk = str2sa_range(args[cur_arg + 1], &port1, &port2);
struct sockaddr_storage *sk = str2sa_range(args[cur_arg + 1], &port1, &port2, NULL);
if (!sk) {
Alert("parsing [%s:%d] : '%s' : unknown host in '%s'\n",

11
src/standard.c
View File

@ -638,7 +638,7 @@ struct sockaddr_storage *str2ip(const char *str)
* returned if the address cannot be parsed. The <low> and <high> ports are
* always initialized if non-null.
*/
struct sockaddr_storage *str2sa_range(const char *str, int *low, int *high)
struct sockaddr_storage *str2sa_range(const char *str, int *low, int *high, char **err)
{
struct sockaddr_storage *ret = NULL;
char *str2;
@ -648,8 +648,10 @@ struct sockaddr_storage *str2sa_range(const char *str, int *low, int *high)
portl = porth = porta = 0;
str2 = strdup(str);
if (str2 == NULL)
if (str2 == NULL) {
memprintf(err, "out of memory in '%s'\n", __FUNCTION__);
goto out;
}
port1 = strrchr(str2, ':');
if (port1)
@ -658,8 +660,10 @@ struct sockaddr_storage *str2sa_range(const char *str, int *low, int *high)
port1 = "";
ret = str2ip(str2);
if (!ret)
if (!ret) {
memprintf(err, "invalid address: '%s' in '%s'\n", str2, str);
goto out;
}
if (isdigit(*port1)) { /* single port or range */
port2 = strchr(port1, '-');
@ -680,6 +684,7 @@ struct sockaddr_storage *str2sa_range(const char *str, int *low, int *high)
porta = porth;
}
else if (*port1) { /* other any unexpected char */
memprintf(err, "invalid character '%c' in port number '%s'\n", *port1, port1);
ret = NULL;
goto out;
}