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-rw-r--r--librpc/ndr/ndr_dns.c237
-rw-r--r--librpc/ndr/ndr_dns.h20
2 files changed, 153 insertions, 104 deletions
diff --git a/librpc/ndr/ndr_dns.c b/librpc/ndr/ndr_dns.c
index ee2f1ce5cf4..1004db0042f 100644
--- a/librpc/ndr/ndr_dns.c
+++ b/librpc/ndr/ndr_dns.c
@@ -39,7 +39,9 @@
/**
print a dns string
*/
-_PUBLIC_ void ndr_print_dns_string(struct ndr_print *ndr, const char *name, const char *s)
+_PUBLIC_ void ndr_print_dns_string(struct ndr_print *ndr,
+ const char *name,
+ const char *s)
{
ndr_print_string(ndr, name, s);
}
@@ -57,7 +59,7 @@ static enum ndr_err_code ndr_pull_component(struct ndr_pull *ndr,
while (loops < 5) {
if (*offset >= ndr->data_size) {
return ndr_pull_error(ndr, NDR_ERR_STRING,
- "BAD DNS NAME component, bad offset");
+ "BAD DNS NAME component, bad offset");
}
len = ndr->data[*offset];
if (len == 0) {
@@ -70,7 +72,8 @@ static enum ndr_err_code ndr_pull_component(struct ndr_pull *ndr,
/* its a label pointer */
if (1 + *offset >= ndr->data_size) {
return ndr_pull_error(ndr, NDR_ERR_STRING,
- "BAD DNS NAME component, bad label offset");
+ "BAD DNS NAME component, " \
+ "bad label offset");
}
*max_offset = MAX(*max_offset, *offset + 2);
*offset = ((len&0x3F)<<8) | ndr->data[1 + *offset];
@@ -81,13 +84,17 @@ static enum ndr_err_code ndr_pull_component(struct ndr_pull *ndr,
if ((len & 0xC0) != 0) {
/* its a reserved length field */
return ndr_pull_error(ndr, NDR_ERR_STRING,
- "BAD DNS NAME component, reserved lenght field: 0x%02x", (len &0xC));
+ "BAD DNS NAME component, " \
+ "reserved lenght field: 0x%02x",
+ (len &0xC));
}
if (*offset + len + 2 > ndr->data_size) {
return ndr_pull_error(ndr, NDR_ERR_STRING,
- "BAD DNS NAME component, length too long");
+ "BAD DNS NAME component, "\
+ "length too long");
}
- *component = (uint8_t*)talloc_strndup(ndr, (const char *)&ndr->data[1 + *offset], len);
+ *component = (uint8_t*)talloc_strndup(ndr,
+ (const char *)&ndr->data[1 + *offset], len);
NDR_ERR_HAVE_NO_MEMORY(*component);
*offset += len + 1;
*max_offset = MAX(*max_offset, *offset);
@@ -95,13 +102,16 @@ static enum ndr_err_code ndr_pull_component(struct ndr_pull *ndr,
}
/* too many pointers */
- return ndr_pull_error(ndr, NDR_ERR_STRING, "BAD DNS NAME component, too many pointers");
+ return ndr_pull_error(ndr, NDR_ERR_STRING,
+ "BAD DNS NAME component, too many pointers");
}
/**
pull a dns_string from the wire
*/
-_PUBLIC_ enum ndr_err_code ndr_pull_dns_string(struct ndr_pull *ndr, int ndr_flags, const char **s)
+_PUBLIC_ enum ndr_err_code ndr_pull_dns_string(struct ndr_pull *ndr,
+ int ndr_flags,
+ const char **s)
{
uint32_t offset = ndr->offset;
uint32_t max_offset = offset;
@@ -115,14 +125,18 @@ _PUBLIC_ enum ndr_err_code ndr_pull_dns_string(struct ndr_pull *ndr, int ndr_fla
name = talloc_strdup(ndr->current_mem_ctx, "");
/* break up name into a list of components */
- for (num_components=0;num_components<MAX_COMPONENTS;num_components++) {
+ for (num_components=0; num_components<MAX_COMPONENTS;
+ num_components++) {
uint8_t *component = NULL;
- NDR_CHECK(ndr_pull_component(ndr, &component, &offset, &max_offset));
+ NDR_CHECK(ndr_pull_component(ndr, &component, &offset,
+ &max_offset));
if (component == NULL) break;
if (num_components > 0) {
- name = talloc_asprintf_append_buffer(name, ".%s", component);
+ name = talloc_asprintf_append_buffer(name, ".%s",
+ component);
} else {
- name = talloc_asprintf_append_buffer(name, "%s", component);
+ name = talloc_asprintf_append_buffer(name, "%s",
+ component);
}
NDR_ERR_HAVE_NO_MEMORY(name);
}
@@ -140,7 +154,9 @@ _PUBLIC_ enum ndr_err_code ndr_pull_dns_string(struct ndr_pull *ndr, int ndr_fla
/**
push a dns string to the wire
*/
-_PUBLIC_ enum ndr_err_code ndr_push_dns_string(struct ndr_push *ndr, int ndr_flags, const char *s)
+_PUBLIC_ enum ndr_err_code ndr_push_dns_string(struct ndr_push *ndr,
+ int ndr_flags,
+ const char *s)
{
if (!(ndr_flags & NDR_SCALARS)) {
return NDR_ERR_SUCCESS;
@@ -155,13 +171,18 @@ _PUBLIC_ enum ndr_err_code ndr_push_dns_string(struct ndr_push *ndr, int ndr_fla
/* see if we have pushed the remaing string allready,
* if so we use a label pointer to this string
*/
- ndr_err = ndr_token_retrieve_cmp_fn(&ndr->dns_string_list, s, &offset, (comparison_fn_t)strcmp, false);
+ ndr_err = ndr_token_retrieve_cmp_fn(&ndr->dns_string_list, s,
+ &offset,
+ (comparison_fn_t)strcmp,
+ false);
if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
uint8_t b[2];
if (offset > 0x3FFF) {
return ndr_push_error(ndr, NDR_ERR_STRING,
- "offset for dns string label pointer %u[%08X] > 0x00003FFF",
+ "offset for dns string " \
+ "label pointer " \
+ "%u[%08X] > 0x00003FFF",
offset, offset);
}
@@ -176,8 +197,10 @@ _PUBLIC_ enum ndr_err_code ndr_push_dns_string(struct ndr_push *ndr, int ndr_fla
/* we need to make sure the length fits into 6 bytes */
if (complen > 0x3F) {
return ndr_push_error(ndr, NDR_ERR_STRING,
- "component length %u[%08X] > 0x0000003F",
- (unsigned)complen, (unsigned)complen);
+ "component length %u[%08X] > " \
+ "0x0000003F",
+ (unsigned)complen,
+ (unsigned)complen);
}
compname = talloc_asprintf(ndr, "%c%*.*s",
@@ -189,10 +212,12 @@ _PUBLIC_ enum ndr_err_code ndr_push_dns_string(struct ndr_push *ndr, int ndr_fla
/* remember the current componemt + the rest of the string
* so it can be reused later
*/
- NDR_CHECK(ndr_token_store(ndr, &ndr->dns_string_list, s, ndr->offset));
+ NDR_CHECK(ndr_token_store(ndr, &ndr->dns_string_list, s,
+ ndr->offset));
/* push just this component into the blob */
- NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)compname, complen+1));
+ NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)compname,
+ complen+1));
talloc_free(compname);
s += complen;
@@ -205,99 +230,113 @@ _PUBLIC_ enum ndr_err_code ndr_push_dns_string(struct ndr_push *ndr, int ndr_fla
return ndr_push_bytes(ndr, (const uint8_t *)"", 1);
}
-_PUBLIC_ enum ndr_err_code ndr_push_dns_res_rec(struct ndr_push *ndr, int ndr_flags, const struct dns_res_rec *r)
+_PUBLIC_ enum ndr_err_code ndr_push_dns_res_rec(struct ndr_push *ndr,
+ int ndr_flags,
+ const struct dns_res_rec *r)
{
- {
- uint32_t _flags_save_STRUCT = ndr->flags;
- uint32_t _saved_offset1, _saved_offset2;
- uint16_t length;
- ndr_set_flags(&ndr->flags, LIBNDR_PRINT_ARRAY_HEX|LIBNDR_FLAG_NOALIGN);
- if (ndr_flags & NDR_SCALARS) {
- NDR_CHECK(ndr_push_align(ndr, 4));
- NDR_CHECK(ndr_push_dns_string(ndr, NDR_SCALARS, r->name));
- NDR_CHECK(ndr_push_dns_qtype(ndr, NDR_SCALARS, r->rr_type));
- NDR_CHECK(ndr_push_dns_qclass(ndr, NDR_SCALARS, r->rr_class));
- NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->ttl));
- _saved_offset1 = ndr->offset;
- NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, 0));
- if (r->length > 0) {
- NDR_CHECK(ndr_push_set_switch_value(ndr, &r->rdata, r->rr_type));
- NDR_CHECK(ndr_push_dns_rdata(ndr, NDR_SCALARS, &r->rdata));
- if (r->unexpected.length > 0) {
- return ndr_push_error(ndr, NDR_ERR_LENGTH,
- "Invalid...Unexpected blob lenght is too large");
- }
+ uint32_t _flags_save_STRUCT = ndr->flags;
+ uint32_t _saved_offset1, _saved_offset2;
+ uint16_t length;
+ ndr_set_flags(&ndr->flags, LIBNDR_PRINT_ARRAY_HEX |
+ LIBNDR_FLAG_NOALIGN);
+ if (ndr_flags & NDR_SCALARS) {
+ NDR_CHECK(ndr_push_align(ndr, 4));
+ NDR_CHECK(ndr_push_dns_string(ndr, NDR_SCALARS, r->name));
+ NDR_CHECK(ndr_push_dns_qtype(ndr, NDR_SCALARS, r->rr_type));
+ NDR_CHECK(ndr_push_dns_qclass(ndr, NDR_SCALARS, r->rr_class));
+ NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->ttl));
+ _saved_offset1 = ndr->offset;
+ NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, 0));
+ if (r->length > 0) {
+ NDR_CHECK(ndr_push_set_switch_value(ndr, &r->rdata,
+ r->rr_type));
+ NDR_CHECK(ndr_push_dns_rdata(ndr, NDR_SCALARS,
+ &r->rdata));
+ if (r->unexpected.length > 0) {
+ return ndr_push_error(ndr,
+ NDR_ERR_LENGTH,
+ "Invalid...Unexpected " \
+ "blob lenght is too " \
+ "large");
}
- if (r->unexpected.length > UINT16_MAX) {
- return ndr_push_error(ndr, NDR_ERR_LENGTH,
- "Unexpected blob lenght is too large");
- }
-
- NDR_CHECK(ndr_push_bytes(ndr, r->unexpected.data, r->unexpected.length));
- NDR_CHECK(ndr_push_trailer_align(ndr, 4));
- length = ndr->offset - (_saved_offset1 + 2);
- _saved_offset2 = ndr->offset;
- ndr->offset = _saved_offset1;
- NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, length));
- ndr->offset = _saved_offset2;
}
- if (ndr_flags & NDR_BUFFERS) {
- NDR_CHECK(ndr_push_dns_rdata(ndr, NDR_BUFFERS, &r->rdata));
+ if (r->unexpected.length > UINT16_MAX) {
+ return ndr_push_error(ndr, NDR_ERR_LENGTH,
+ "Unexpected blob lenght "\
+ "is too large");
}
- ndr->flags = _flags_save_STRUCT;
+
+ NDR_CHECK(ndr_push_bytes(ndr, r->unexpected.data,
+ r->unexpected.length));
+ NDR_CHECK(ndr_push_trailer_align(ndr, 4));
+ length = ndr->offset - (_saved_offset1 + 2);
+ _saved_offset2 = ndr->offset;
+ ndr->offset = _saved_offset1;
+ NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, length));
+ ndr->offset = _saved_offset2;
+ }
+ if (ndr_flags & NDR_BUFFERS) {
+ NDR_CHECK(ndr_push_dns_rdata(ndr, NDR_BUFFERS,
+ &r->rdata));
}
+ ndr->flags = _flags_save_STRUCT;
return NDR_ERR_SUCCESS;
}
-_PUBLIC_ enum ndr_err_code ndr_pull_dns_res_rec(struct ndr_pull *ndr, int ndr_flags, struct dns_res_rec *r)
+_PUBLIC_ enum ndr_err_code ndr_pull_dns_res_rec(struct ndr_pull *ndr,
+ int ndr_flags,
+ struct dns_res_rec *r)
{
- {
- uint32_t _flags_save_STRUCT = ndr->flags;
- uint32_t _saved_offset1;
- uint32_t pad, length;
-
- ndr_set_flags(&ndr->flags, LIBNDR_PRINT_ARRAY_HEX|LIBNDR_FLAG_NOALIGN);
- if (ndr_flags & NDR_SCALARS) {
- NDR_CHECK(ndr_pull_align(ndr, 4));
- NDR_CHECK(ndr_pull_dns_string(ndr, NDR_SCALARS, &r->name));
- NDR_CHECK(ndr_pull_dns_qtype(ndr, NDR_SCALARS, &r->rr_type));
- NDR_CHECK(ndr_pull_dns_qclass(ndr, NDR_SCALARS, &r->rr_class));
- NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->ttl));
- NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->length));
- _saved_offset1 = ndr->offset;
- if (r->length > 0) {
- NDR_CHECK(ndr_pull_set_switch_value(ndr, &r->rdata, r->rr_type));
- NDR_CHECK(ndr_pull_dns_rdata(ndr, NDR_SCALARS, &r->rdata));
- } else {
- ZERO_STRUCT(r->rdata);
- }
- length = ndr->offset - _saved_offset1;
- if (length > r->length) {
- return ndr_pull_error(ndr, NDR_ERR_LENGTH,
- "TODO");
- }
+ uint32_t _flags_save_STRUCT = ndr->flags;
+ uint32_t _saved_offset1;
+ uint32_t pad, length;
+
+ ndr_set_flags(&ndr->flags, LIBNDR_PRINT_ARRAY_HEX |
+ LIBNDR_FLAG_NOALIGN);
+ if (ndr_flags & NDR_SCALARS) {
+ NDR_CHECK(ndr_pull_align(ndr, 4));
+ NDR_CHECK(ndr_pull_dns_string(ndr, NDR_SCALARS, &r->name));
+ NDR_CHECK(ndr_pull_dns_qtype(ndr, NDR_SCALARS, &r->rr_type));
+ NDR_CHECK(ndr_pull_dns_qclass(ndr, NDR_SCALARS, &r->rr_class));
+ NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->ttl));
+ NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->length));
+ _saved_offset1 = ndr->offset;
+ if (r->length > 0) {
+ NDR_CHECK(ndr_pull_set_switch_value(ndr, &r->rdata,
+ r->rr_type));
+ NDR_CHECK(ndr_pull_dns_rdata(ndr, NDR_SCALARS,
+ &r->rdata));
+ } else {
+ ZERO_STRUCT(r->rdata);
+ }
+ length = ndr->offset - _saved_offset1;
+ if (length > r->length) {
+ return ndr_pull_error(ndr, NDR_ERR_LENGTH, "TODO");
+ }
- r->unexpected = data_blob_null;
- pad = r->length - length;
- if (pad > 0) {
- NDR_PULL_NEED_BYTES(ndr, pad);
- r->unexpected = data_blob_talloc(ndr->current_mem_ctx,
- ndr->data + ndr->offset,
- pad);
- if (r->unexpected.data == NULL) {
- return ndr_pull_error(ndr, NDR_ERR_ALLOC,
- "Failed to allocate a data blob");
- }
- ndr->offset += pad;
+ r->unexpected = data_blob_null;
+ pad = r->length - length;
+ if (pad > 0) {
+ NDR_PULL_NEED_BYTES(ndr, pad);
+ r->unexpected = data_blob_talloc(ndr->current_mem_ctx,
+ ndr->data +
+ ndr->offset,
+ pad);
+ if (r->unexpected.data == NULL) {
+ return ndr_pull_error(ndr,
+ NDR_ERR_ALLOC,
+ "Failed to allocate a " \
+ "data blob");
}
+ ndr->offset += pad;
+ }
- NDR_CHECK(ndr_pull_trailer_align(ndr, 4));
- }
- if (ndr_flags & NDR_BUFFERS) {
- NDR_CHECK(ndr_pull_dns_rdata(ndr, NDR_BUFFERS, &r->rdata));
- }
- ndr->flags = _flags_save_STRUCT;
+ NDR_CHECK(ndr_pull_trailer_align(ndr, 4));
+ }
+ if (ndr_flags & NDR_BUFFERS) {
+ NDR_CHECK(ndr_pull_dns_rdata(ndr, NDR_BUFFERS, &r->rdata));
}
+ ndr->flags = _flags_save_STRUCT;
return NDR_ERR_SUCCESS;
}
diff --git a/librpc/ndr/ndr_dns.h b/librpc/ndr/ndr_dns.h
index acdb7bb03a5..d97d57fdacd 100644
--- a/librpc/ndr/ndr_dns.h
+++ b/librpc/ndr/ndr_dns.h
@@ -1,5 +1,15 @@
-_PUBLIC_ void ndr_print_dns_string(struct ndr_print *ndr, const char *name, const char *s);
-_PUBLIC_ enum ndr_err_code ndr_pull_dns_string(struct ndr_pull *ndr, int ndr_flags, const char **s);
-_PUBLIC_ enum ndr_err_code ndr_push_dns_string(struct ndr_push *ndr, int ndr_flags, const char *s);
-_PUBLIC_ enum ndr_err_code ndr_push_dns_res_rec(struct ndr_push *ndr, int ndr_flags, const struct dns_res_rec *r);
-_PUBLIC_ enum ndr_err_code ndr_pull_dns_res_rec(struct ndr_pull *ndr, int ndr_flags, struct dns_res_rec *r);
+void ndr_print_dns_string(struct ndr_print *ndr,
+ const char *name,
+ const char *s);
+enum ndr_err_code ndr_pull_dns_string(struct ndr_pull *ndr,
+ int ndr_flags,
+ const char **s);
+enum ndr_err_code ndr_push_dns_string(struct ndr_push *ndr,
+ int ndr_flags,
+ const char *s);
+enum ndr_err_code ndr_push_dns_res_rec(struct ndr_push *ndr,
+ int ndr_flags,
+ const struct dns_res_rec *r);
+enum ndr_err_code ndr_pull_dns_res_rec(struct ndr_pull *ndr,
+ int ndr_flags,
+ struct dns_res_rec *r);
generated by cgit (git 2.34.1) at 2024-11-12 19:00:51 +0000