[NET]: Accept wildcard delimiters in in[46]_pton
Accept -1 as delimiter to abort parsing without an error at the first
unknown character. This is needed by the upcoming nf_conntrack SIP
helper, where addresses are delimited by either '\r' or '\n' characters.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/inet.h b/include/linux/inet.h
index b7c6da7..675a7db 100644
--- a/include/linux/inet.h
+++ b/include/linux/inet.h
@@ -46,7 +46,7 @@
#include <linux/types.h>
extern __be32 in_aton(const char *str);
-extern int in4_pton(const char *src, int srclen, u8 *dst, char delim, const char **end);
-extern int in6_pton(const char *src, int srclen, u8 *dst, char delim, const char **end);
+extern int in4_pton(const char *src, int srclen, u8 *dst, int delim, const char **end);
+extern int in6_pton(const char *src, int srclen, u8 *dst, int delim, const char **end);
#endif
#endif /* _LINUX_INET_H */
diff --git a/net/core/utils.c b/net/core/utils.c
index d93fe64..6155606 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -88,7 +88,7 @@
#define IN6PTON_NULL 0x20000000 /* first/tail */
#define IN6PTON_UNKNOWN 0x40000000
-static inline int digit2bin(char c, char delim)
+static inline int digit2bin(char c, int delim)
{
if (c == delim || c == '\0')
return IN6PTON_DELIM;
@@ -99,7 +99,7 @@
return IN6PTON_UNKNOWN;
}
-static inline int xdigit2bin(char c, char delim)
+static inline int xdigit2bin(char c, int delim)
{
if (c == delim || c == '\0')
return IN6PTON_DELIM;
@@ -113,12 +113,14 @@
return (IN6PTON_XDIGIT | (c - 'a' + 10));
if (c >= 'A' && c <= 'F')
return (IN6PTON_XDIGIT | (c - 'A' + 10));
+ if (delim == -1)
+ return IN6PTON_DELIM;
return IN6PTON_UNKNOWN;
}
int in4_pton(const char *src, int srclen,
u8 *dst,
- char delim, const char **end)
+ int delim, const char **end)
{
const char *s;
u8 *d;
@@ -173,7 +175,7 @@
int in6_pton(const char *src, int srclen,
u8 *dst,
- char delim, const char **end)
+ int delim, const char **end)
{
const char *s, *tok = NULL;
u8 *d, *dc = NULL;