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Resolver: improved error messages (ticket #2024).

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This commit is contained in:
Maxim Dounin 2020-09-28 17:41:22 +03:00
parent c511f3de3e
commit 279efaab66
1 changed files with 16 additions and 16 deletions
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32
src/core/ngx_resolver.c
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@ -1918,7 +1918,7 @@ ngx_resolver_process_a(ngx_resolver_t *r, u_char *buf, size_t n,
if (rn == NULL) {
ngx_log_error(r->log_level, r->log, 0,
"unexpected response for %V", &name);
"unexpected DNS response for %V", &name);
ngx_resolver_free(r, name.data);
goto failed;
}
@ -1930,7 +1930,7 @@ ngx_resolver_process_a(ngx_resolver_t *r, u_char *buf, size_t n,
if (rn->query6 == NULL || rn->naddrs6 != (u_short) -1) {
ngx_log_error(r->log_level, r->log, 0,
"unexpected response for %V", &name);
"unexpected DNS response for %V", &name);
ngx_resolver_free(r, name.data);
goto failed;
}
@ -1949,7 +1949,7 @@ ngx_resolver_process_a(ngx_resolver_t *r, u_char *buf, size_t n,
if (rn->query == NULL || rn->naddrs != (u_short) -1) {
ngx_log_error(r->log_level, r->log, 0,
"unexpected response for %V", &name);
"unexpected DNS response for %V", &name);
ngx_resolver_free(r, name.data);
goto failed;
}
@ -1964,7 +1964,7 @@ ngx_resolver_process_a(ngx_resolver_t *r, u_char *buf, size_t n,
if (ident != qident) {
ngx_log_error(r->log_level, r->log, 0,
"wrong ident %ui response for %V, expect %ui",
"wrong ident %ui in DNS response for %V, expect %ui",
ident, &name, qident);
ngx_resolver_free(r, name.data);
goto failed;
@ -2149,7 +2149,7 @@ ngx_resolver_process_a(ngx_resolver_t *r, u_char *buf, size_t n,
if (class != 1) {
ngx_log_error(r->log_level, r->log, 0,
"unexpected RR class %ui", class);
"unexpected RR class %ui in DNS response", class);
goto failed;
}
@ -2218,7 +2218,7 @@ ngx_resolver_process_a(ngx_resolver_t *r, u_char *buf, size_t n,
default:
ngx_log_error(r->log_level, r->log, 0,
"unexpected RR type %ui", type);
"unexpected RR type %ui in DNS response", type);
}
i += len;
@ -2567,7 +2567,7 @@ ngx_resolver_process_srv(ngx_resolver_t *r, u_char *buf, size_t n,
if (rn == NULL || rn->query == NULL) {
ngx_log_error(r->log_level, r->log, 0,
"unexpected response for %V", &name);
"unexpected DNS response for %V", &name);
ngx_resolver_free(r, name.data);
goto failed;
}
@ -2581,7 +2581,7 @@ ngx_resolver_process_srv(ngx_resolver_t *r, u_char *buf, size_t n,
if (ident != qident) {
ngx_log_error(r->log_level, r->log, 0,
"wrong ident %ui response for %V, expect %ui",
"wrong ident %ui in DNS response for %V, expect %ui",
ident, &name, qident);
ngx_resolver_free(r, name.data);
goto failed;
@ -2691,7 +2691,7 @@ ngx_resolver_process_srv(ngx_resolver_t *r, u_char *buf, size_t n,
if (class != 1) {
ngx_log_error(r->log_level, r->log, 0,
"unexpected RR class %ui", class);
"unexpected RR class %ui in DNS response", class);
goto failed;
}
@ -2734,7 +2734,7 @@ ngx_resolver_process_srv(ngx_resolver_t *r, u_char *buf, size_t n,
default:
ngx_log_error(r->log_level, r->log, 0,
"unexpected RR type %ui", type);
"unexpected RR type %ui in DNS response", type);
}
i += len;
@ -3165,7 +3165,7 @@ valid:
if (rn == NULL || rn->query == NULL) {
ngx_log_error(r->log_level, r->log, 0,
"unexpected response for %V", &name);
"unexpected DNS response for %V", &name);
ngx_resolver_free(r, name.data);
goto failed;
}
@ -3174,7 +3174,7 @@ valid:
if (ident != qident) {
ngx_log_error(r->log_level, r->log, 0,
"wrong ident %ui response for %V, expect %ui",
"wrong ident %ui in DNS response for %V, expect %ui",
ident, &name, qident);
ngx_resolver_free(r, name.data);
goto failed;
@ -3256,7 +3256,7 @@ valid:
if (class != 1) {
ngx_log_error(r->log_level, r->log, 0,
"unexpected RR class %ui", class);
"unexpected RR class %ui in DNS response", class);
goto failed;
}
@ -3283,7 +3283,7 @@ valid:
default:
ngx_log_error(r->log_level, r->log, 0,
"unexpected RR type %ui", type);
"unexpected RR type %ui in DNS response", type);
}
i += len;
@ -3952,12 +3952,12 @@ ngx_resolver_copy(ngx_resolver_t *r, ngx_str_t *name, u_char *buf, u_char *src,
}
if (p >= last) {
err = "name is out of response";
err = "name is out of DNS response";
goto invalid;
}
}
err = "compression pointers loop";
err = "compression pointers loop in DNS response";
invalid: