diff options
| author | Eugene Syromyatnikov <evgsyr@gmail.com> | 2021-09-30 16:01:42 +0200 |
|---|---|---|
| committer | Eugene Syromyatnikov <evgsyr@gmail.com> | 2021-10-09 12:30:24 +0200 |
| commit | 7564c3c2a1849aac8bab8a4417e5b8986b7b55df (patch) | |
| tree | ac7fd32365348adcefd0ced21274e4032a069275 | |
| parent | 0c73fcccd6266db94c7ac1e53c29ce18a8d34506 (diff) | |
| download | strace-7564c3c2a1849aac8bab8a4417e5b8986b7b55df.tar.gz | |
tests/nlattr_rtmsg.c: add checks for address-containing RTA_* attributes
* tests/nlattr_rtmsg.c (print_quoted_hex_ellipsis, init_rtmsg_inet6,
print_rtmsg_inet6): New functions.
(main): Add checks for RTA_DST, RTA_SRC, RTA_GATEWAY, RTA_PREFSRC,
RTA_NEWDST attribute decoding.
| -rw-r--r-- | tests/nlattr_rtmsg.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tests/nlattr_rtmsg.c b/tests/nlattr_rtmsg.c index cd477dd1d..fc5200b27 100644 --- a/tests/nlattr_rtmsg.c +++ b/tests/nlattr_rtmsg.c @@ -27,6 +27,20 @@ mempcpy(void *dest, const void *src, size_t n) } #endif +static void +print_quoted_hex_ellipsis(const void *const instr, const size_t len) +{ + const unsigned char *str = instr; + size_t i; + + printf("\""); + for (i = 0; i < MIN(len, DEFAULT_STRLEN); i++) + printf("\\x%02x", str[i]); + printf("\""); + if (len > DEFAULT_STRLEN) + printf("..."); +} + #define LWTUNNEL_ENCAP_NONE 0 #define DEF_NLATTR_RTMSG_FUNCS(sfx_, af_) \ @@ -70,6 +84,7 @@ mempcpy(void *dest, const void *src, size_t n) DEF_NLATTR_RTMSG_FUNCS(rtmsg, AF_UNIX) DEF_NLATTR_RTMSG_FUNCS(rtmsg_inet, AF_INET) +DEF_NLATTR_RTMSG_FUNCS(rtmsg_inet6, AF_INET6) int main(void) @@ -98,6 +113,62 @@ main(void) RTA_DST, 4, pattern, 4, print_quoted_hex(pattern, 4)); +#define MAX_ADDR_SZ 35 + static const struct { + uint8_t af; + uint8_t addr[MAX_ADDR_SZ]; + const char *str; + void (* init_fn)(struct nlmsghdr *, unsigned int); + void (* print_fn)(unsigned int); + uint32_t len; + } addrs[] = { + { AF_UNIX, { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }, + "\"\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\x09\"", + init_rtmsg, print_rtmsg, 10 }, + { AF_UNIX, + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, [MAX_ADDR_SZ - 1] = 0xea }, + "\"\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\x09" + "\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00" + "\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00" + "\\x00\\x00" +#if DEFAULT_STRLEN == 32 + "\"...", +#else + "\\x00\\x00\\xea\"", +#endif + init_rtmsg, print_rtmsg, MAX_ADDR_SZ }, + { AF_INET, { 0xde, 0xca, 0xff, 0xed }, + "inet_addr(\"222.202.255.237\")", + init_rtmsg_inet, print_rtmsg_inet, 4 }, + { AF_INET6, { 0xfa, 0xce, 0xbe, 0xef, [15] = 0xda }, + "inet_pton(AF_INET6, \"face:beef::da\")", + init_rtmsg_inet6, print_rtmsg_inet6, 16 }, + }; + static const struct strval32 addr_attrs[] = { + { ARG_STR(RTA_DST) }, + { ARG_STR(RTA_SRC) }, + { ARG_STR(RTA_GATEWAY) }, + { ARG_STR(RTA_PREFSRC) }, + { ARG_STR(RTA_NEWDST) }, + }; + for (size_t i = 0; i < ARRAY_SIZE(addrs); i++) { + for (size_t j = 0; j < ARRAY_SIZE(addr_attrs); j++) { + TEST_NLATTR_(fd, nlh0, hdrlen, + addrs[i].init_fn, addrs[i].print_fn, + addr_attrs[j].val, addr_attrs[j].str, + addrs[i].len - 1, addrs[i].addr, + addrs[i].len - 1, + print_quoted_hex_ellipsis(addrs[i].addr, + addrs[i].len - 1) + ); + TEST_NLATTR_(fd, nlh0, hdrlen, + addrs[i].init_fn, addrs[i].print_fn, + addr_attrs[j].val, addr_attrs[j].str, + addrs[i].len, addrs[i].addr, addrs[i].len, + printf("%s", addrs[i].str)); + } + } + const uint32_t ifindex = ifindex_lo(); TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, init_rtmsg, print_rtmsg, |