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* Fix a crash bug with certain invalid Browse or Search requests.

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This commit is contained in:
Justin Maggard 2011-08-18 18:52:58 +00:00
parent f7202b9564
commit c599ed3a9f
1 changed files with 39 additions and 41 deletions
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80
upnpsoap.c
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@ -983,22 +983,28 @@ BrowseContentDirectory(struct upnphttp * h, const char * action)
"<Result>"
"&lt;DIDL-Lite"
CONTENT_DIRECTORY_SCHEMAS;
char *zErrMsg = 0;
char *zErrMsg = NULL;
char *sql, *ptr;
int ret;
struct Response args;
struct string_s str;
int totalMatches;
int ret;
char *ObjectID, *Filter, *BrowseFlag, *SortCriteria;
char *orderBy = NULL;
struct NameValueParserData data;
ParseNameValue(h->req_buf + h->req_contentoff, h->req_contentlen, &data);
char * ObjectID = GetValueFromNameValueList(&data, "ObjectID");
char * Filter = GetValueFromNameValueList(&data, "Filter");
char * BrowseFlag = GetValueFromNameValueList(&data, "BrowseFlag");
char * SortCriteria = GetValueFromNameValueList(&data, "SortCriteria");
char * orderBy = NULL;
int RequestedCount = 0;
int StartingIndex = 0;
memset(&args, 0, sizeof(args));
memset(&str, 0, sizeof(str));
ParseNameValue(h->req_buf + h->req_contentoff, h->req_contentlen, &data);
ObjectID = GetValueFromNameValueList(&data, "ObjectID");
Filter = GetValueFromNameValueList(&data, "Filter");
BrowseFlag = GetValueFromNameValueList(&data, "BrowseFlag");
SortCriteria = GetValueFromNameValueList(&data, "SortCriteria");
if( (ptr = GetValueFromNameValueList(&data, "RequestedCount")) )
RequestedCount = atoi(ptr);
if( !RequestedCount )
@ -1015,8 +1021,6 @@ BrowseContentDirectory(struct upnphttp * h, const char * action)
SoapError(h, 701, "No such object error");
goto browse_error;
}
memset(&args, 0, sizeof(args));
memset(&str, 0, sizeof(str));
str.data = malloc(DEFAULT_RESP_SIZE);
str.size = DEFAULT_RESP_SIZE;
@ -1171,25 +1175,29 @@ SearchContentDirectory(struct upnphttp * h, const char * action)
"<Result>"
"&lt;DIDL-Lite"
CONTENT_DIRECTORY_SCHEMAS;
char *zErrMsg = 0;
char *zErrMsg = NULL;
char *sql, *ptr;
char **result;
struct Response args;
struct string_s str;
int totalMatches = 0;
int totalMatches;
int ret;
struct NameValueParserData data;
ParseNameValue(h->req_buf + h->req_contentoff, h->req_contentlen, &data);
char * ContainerID = GetValueFromNameValueList(&data, "ContainerID");
char * Filter = GetValueFromNameValueList(&data, "Filter");
char * SearchCriteria = GetValueFromNameValueList(&data, "SearchCriteria");
char * SortCriteria = GetValueFromNameValueList(&data, "SortCriteria");
char * newSearchCriteria = NULL;
char * orderBy = NULL;
char *ContainerID, *Filter, *SearchCriteria, *SortCriteria;
char *newSearchCriteria = NULL, *orderBy = NULL;
char groupBy[] = "group by DETAIL_ID";
struct NameValueParserData data;
int RequestedCount = 0;
int StartingIndex = 0;
memset(&args, 0, sizeof(args));
memset(&str, 0, sizeof(str));
ParseNameValue(h->req_buf + h->req_contentoff, h->req_contentlen, &data);
ContainerID = GetValueFromNameValueList(&data, "ContainerID");
Filter = GetValueFromNameValueList(&data, "Filter");
SearchCriteria = GetValueFromNameValueList(&data, "SearchCriteria");
SortCriteria = GetValueFromNameValueList(&data, "SortCriteria");
if( (ptr = GetValueFromNameValueList(&data, "RequestedCount")) )
RequestedCount = atoi(ptr);
if( !RequestedCount )
@ -1204,8 +1212,6 @@ SearchContentDirectory(struct upnphttp * h, const char * action)
goto search_error;
}
}
memset(&args, 0, sizeof(args));
memset(&str, 0, sizeof(str));
str.data = malloc(DEFAULT_RESP_SIZE);
str.size = DEFAULT_RESP_SIZE;
@ -1317,22 +1323,14 @@ SearchContentDirectory(struct upnphttp * h, const char * action)
}
DPRINTF(E_DEBUG, L_HTTP, "Translated SearchCriteria: %s\n", SearchCriteria);
sql = sqlite3_mprintf("SELECT (select count(distinct DETAIL_ID)"
" from OBJECTS o left join DETAILS d on (o.DETAIL_ID = d.ID)"
" where (OBJECT_ID glob '%s$*') and (%s))"
" + "
"(select count(*) from OBJECTS o left join DETAILS d on (o.DETAIL_ID = d.ID)"
" where (OBJECT_ID = '%s') and (%s))",
ContainerID, SearchCriteria, ContainerID, SearchCriteria);
//DEBUG DPRINTF(E_DEBUG, L_HTTP, "Count SQL: %s\n", sql);
ret = sql_get_table(db, sql, &result, NULL, NULL);
sqlite3_free(sql);
if( ret == SQLITE_OK )
{
totalMatches = atoi(result[1]);
sqlite3_free_table(result);
}
else
totalMatches = sql_get_int_field(db, "SELECT (select count(distinct DETAIL_ID)"
" from OBJECTS o left join DETAILS d on (o.DETAIL_ID = d.ID)"
" where (OBJECT_ID glob '%s$*') and (%s))"
" + "
"(select count(*) from OBJECTS o left join DETAILS d on (o.DETAIL_ID = d.ID)"
" where (OBJECT_ID = '%s') and (%s))",
ContainerID, SearchCriteria, ContainerID, SearchCriteria);
if( totalMatches < 0 )
{
/* Must be invalid SQL, so most likely bad or unhandled search criteria. */
SoapError(h, 708, "Unsupported or invalid search criteria");