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| author | Chris Packham <judge.packham@gmail.com> | 2017-01-04 13:36:26 +1300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-01-14 16:47:11 -0500 |
| commit | f267e40f9679fec02a3166577c78cb290017b7e3 (patch) | |
| tree | 6b1e118bc77a3f1ce9cf950d0cc5a1ffd59374b4 /lib | |
| parent | d921ed9a2a553afe0c13638ed339ee42d4572935 (diff) | |
| download | u-boot-f267e40f9679fec02a3166577c78cb290017b7e3.tar.gz u-boot-f267e40f9679fec02a3166577c78cb290017b7e3.tar.bz2 u-boot-f267e40f9679fec02a3166577c78cb290017b7e3.zip | |
lib: net_utils: enforce '.' as octet separator in string_to_ip
Ensure '.' is used to separate octets. If another character is seen
reject the string outright and return 0.0.0.0.
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/net_utils.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/net_utils.c b/lib/net_utils.c index 8f81e78010..d06be22849 100644 --- a/lib/net_utils.c +++ b/lib/net_utils.c @@ -28,6 +28,10 @@ struct in_addr string_to_ip(const char *s) addr.s_addr = 0; return addr; } + if (i != 3 && *e != '.') { + addr.s_addr = 0; + return addr; + } addr.s_addr <<= 8; addr.s_addr |= (val & 0xFF); if (s) { |