diff options
author | Jannis Hoffmann <jannis@fehcom.de> | 2024-07-09 14:41:53 +0200 |
---|---|---|
committer | Jannis Hoffmann <jannis@fehcom.de> | 2024-07-09 14:41:53 +0200 |
commit | 5fadc0cbb8577c61d66bd6f19ceaf0507c11e23b (patch) | |
tree | 684758441f5b431d0008253243034b6a4a29417c /src/dnsstub/dns_packet.c | |
parent | 249866e3d1e11dc72eaa1305f4bb479ded92ef38 (diff) |
initial clang-format
Diffstat (limited to 'src/dnsstub/dns_packet.c')
-rw-r--r-- | src/dnsstub/dns_packet.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/src/dnsstub/dns_packet.c b/src/dnsstub/dns_packet.c index ce322ea..2b2040f 100644 --- a/src/dnsstub/dns_packet.c +++ b/src/dnsstub/dns_packet.c @@ -1,5 +1,5 @@ -#include "error.h" #include "dnsresolv.h" +#include "error.h" /** @file dns_packet.c @@ -9,17 +9,22 @@ @brief DNS should have used LZ77 instead of its own sophomoric compression algorithm. */ -unsigned int dns_packet_copy(const char *buf,unsigned int len,unsigned int pos,char *out,unsigned int outlen) +unsigned int dns_packet_copy( + const char *buf, unsigned int len, unsigned int pos, char *out, unsigned int outlen) { while (outlen) { - if (pos >= len) { errno = EPROTO; return 0; } + if (pos >= len) { + errno = EPROTO; + return 0; + } *out = buf[pos++]; - ++out; --outlen; + ++out; + --outlen; } return pos; } -unsigned int dns_packet_skipname(const char *buf,unsigned int len,unsigned int pos) +unsigned int dns_packet_skipname(const char *buf, unsigned int len, unsigned int pos) { unsigned char ch; @@ -36,7 +41,7 @@ unsigned int dns_packet_skipname(const char *buf,unsigned int len,unsigned int p return 0; } -unsigned int dns_packet_getname(const char *buf,unsigned int len,unsigned int pos,char **d) +unsigned int dns_packet_getname(const char *buf, unsigned int len, unsigned int pos, char **d) { unsigned int loop = 0; unsigned int state = 0; @@ -47,39 +52,41 @@ unsigned int dns_packet_getname(const char *buf,unsigned int len,unsigned int po unsigned int namelen = 0; for (;;) { - if (pos >= len) goto PROTO; + if (pos >= len) goto PROTO; ch = buf[pos++]; if (++loop >= 1000) goto PROTO; if (state) { - if (namelen + 1 > sizeof(name)) goto PROTO; + if (namelen + 1 > sizeof(name)) goto PROTO; name[namelen++] = ch; --state; } else { while (ch >= 192) { - where = ch; where -= 192; where <<= 8; - if (pos >= len) goto PROTO; + where = ch; + where -= 192; + where <<= 8; + if (pos >= len) goto PROTO; ch = buf[pos++]; if (!firstcompress) firstcompress = pos; pos = where + ch; - if (pos >= len) goto PROTO; + if (pos >= len) goto PROTO; ch = buf[pos++]; if (++loop >= 1000) goto PROTO; } if (ch >= 64) goto PROTO; - if (namelen + 1 > sizeof(name)) goto PROTO; + if (namelen + 1 > sizeof(name)) goto PROTO; name[namelen++] = ch; if (!ch) break; state = ch; } } - if (!dns_domain_copy(d,name)) return 0; + if (!dns_domain_copy(d, name)) return 0; if (firstcompress) return firstcompress; return pos; - PROTO: +PROTO: errno = EPROTO; return 0; } |