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authorJannis Hoffmann <jannis@fehcom.de>2024-07-09 14:41:53 +0200
committerJannis Hoffmann <jannis@fehcom.de>2024-07-09 14:41:53 +0200
commit5fadc0cbb8577c61d66bd6f19ceaf0507c11e23b (patch)
tree684758441f5b431d0008253243034b6a4a29417c /src/dnsstub/dns_cname.c
parent249866e3d1e11dc72eaa1305f4bb479ded92ef38 (diff)
initial clang-format
Diffstat (limited to 'src/dnsstub/dns_cname.c')
-rw-r--r--src/dnsstub/dns_cname.c46
1 files changed, 25 insertions, 21 deletions
diff --git a/src/dnsstub/dns_cname.c b/src/dnsstub/dns_cname.c
index 408949a..d1ea110 100644
--- a/src/dnsstub/dns_cname.c
+++ b/src/dnsstub/dns_cname.c
@@ -1,9 +1,9 @@
-#include "stralloc.h"
-#include "uint_t.h"
#include "byte.h"
-#include "ip.h"
#include "case.h"
#include "dnsresolv.h"
+#include "ip.h"
+#include "stralloc.h"
+#include "uint_t.h"
/**
@file dns_cname.c
@@ -13,7 +13,7 @@
static char *q = 0;
-int dns_cname_packet(stralloc *out,const char *buf,unsigned int len)
+int dns_cname_packet(stralloc *out, const char *buf, unsigned int len)
{
unsigned int pos;
char header[12];
@@ -21,21 +21,25 @@ int dns_cname_packet(stralloc *out,const char *buf,unsigned int len)
uint16 datalen;
int ranswers = 0;
- if (!stralloc_copys(out,"")) return DNS_MEM;
+ if (!stralloc_copys(out, "")) return DNS_MEM;
- pos = dns_packet_copy(buf,len,0,header,12); if (!pos) return DNS_ERR;
- uint16_unpack_big(header + 6,&numanswers);
- pos = dns_packet_skipname(buf,len,pos); if (!pos) return DNS_ERR;
+ pos = dns_packet_copy(buf, len, 0, header, 12);
+ if (!pos) return DNS_ERR;
+ uint16_unpack_big(header + 6, &numanswers);
+ pos = dns_packet_skipname(buf, len, pos);
+ if (!pos) return DNS_ERR;
pos += 4;
while (numanswers--) {
- pos = dns_packet_skipname(buf,len,pos); if (!pos) return DNS_ERR;
- pos = dns_packet_copy(buf,len,pos,header,10); if (!pos) return DNS_ERR;
- uint16_unpack_big(header + 8,&datalen);
- if (byte_equal(header,2,DNS_T_CNAME))
- if (byte_equal(header + 2,2,DNS_C_IN)) {
- if (!dns_packet_getname(buf,len,pos,&q)) return DNS_ERR;
- if (dns_domain_todot_cat(out,q) <= 0) return DNS_ERR;
+ pos = dns_packet_skipname(buf, len, pos);
+ if (!pos) return DNS_ERR;
+ pos = dns_packet_copy(buf, len, pos, header, 10);
+ if (!pos) return DNS_ERR;
+ uint16_unpack_big(header + 8, &datalen);
+ if (byte_equal(header, 2, DNS_T_CNAME))
+ if (byte_equal(header + 2, 2, DNS_C_IN)) {
+ if (!dns_packet_getname(buf, len, pos, &q)) return DNS_ERR;
+ if (dns_domain_todot_cat(out, q) <= 0) return DNS_ERR;
}
pos += datalen;
++ranswers;
@@ -44,16 +48,16 @@ int dns_cname_packet(stralloc *out,const char *buf,unsigned int len)
return ranswers;
}
-int dns_cname(stralloc *out,stralloc *fqdn)
+int dns_cname(stralloc *out, stralloc *fqdn)
{
- int rc;
+ int rc;
- if (dns_domain_fromdot(&q,fqdn->s,fqdn->len) <= 0) return DNS_ERR;
- if (dns_resolve(q,DNS_T_CNAME) < 0) return DNS_ERR;
- if ((rc = dns_cname_packet(out,dns_resolve_tx.packet,dns_resolve_tx.packetlen)) < 0) return DNS_ERR;
+ if (dns_domain_fromdot(&q, fqdn->s, fqdn->len) <= 0) return DNS_ERR;
+ if (dns_resolve(q, DNS_T_CNAME) < 0) return DNS_ERR;
+ if ((rc = dns_cname_packet(out, dns_resolve_tx.packet, dns_resolve_tx.packetlen)) < 0) return DNS_ERR;
dns_transmit_free(&dns_resolve_tx);
dns_domain_free(&q);
- if (case_equals(out->s,fqdn->s)) rc = -6; // loop DNS_HARD
+ if (case_equals(out->s, fqdn->s)) rc = -6; // loop DNS_HARD
return rc;
}