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improved samnity checking for search/claim requests

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This commit is contained in:
Jeff Hill
2000-03-21 17:11:24 +00:00
parent eda62d862f
commit 1f58d2722e
1 changed files with 14 additions and 9 deletions
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23
src/rsrv/camessage.c
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@@ -1071,16 +1071,24 @@ struct client *client
if (CA_V44(CA_PROTOCOL_VERSION,client->minor_version_number)) {
struct dbAddr tmp_addr;
char *pName = (char *)(mp+1);
status = db_name_to_addr(
(char *)(mp+1),
&tmp_addr);
/*
* check the sanity of the message
*/
if (mp->m_postsize<=1) {
log_header ("empty PV name in UDP search request?", client, mp, 0);
return RSRV_OK;
}
pName[mp->m_postsize-1] = '\0';
status = db_name_to_addr (pName, &tmp_addr);
if (status) {
return RSRV_OK;
}
DLOG(2,"CAS: claim_ciu_action found '%s', type %d, count %d\n",
(int) (mp+1),
(int) pName,
tmp_addr.dbr_field_type,
tmp_addr.no_elements,
NULL, NULL, NULL);
@@ -1840,7 +1848,7 @@ LOCAL int search_reply(
struct dbAddr tmp_addr;
caHdr *search_reply;
unsigned short *pMinorVersion;
const char *pName = (const char *)(mp+1);
char *pName = (char *)(mp+1);
int status;
unsigned sid;
ca_uint16_t count;
@@ -1854,10 +1862,7 @@ LOCAL int search_reply(
log_header ("empty PV name in UDP search request?", client, mp, 0);
return RSRV_OK;
}
if (pName[mp->m_postsize-1] != '\0') {
log_header ("unterminated PV name in UDP search request?", client, mp, 0);
return RSRV_OK;
}
pName[mp->m_postsize-1] = '\0';
/* Exit quickly if channel not on this node */
status = db_name_to_addr (pName, &tmp_addr);