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Bug 173430 - flawfinder warnings in libpref 

r=alecf,dwitte
sr=dmose
a=asa
This commit is contained in:
caillon%returnzero.com 2003-04-29 04:17:38 +00:00
Родитель 6b3845f3dd
Коммит a1fe11df29
3 изменённых файлов: 94 добавлений и 153 удалений
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151
mailnews/addrbook/src/nsDirPrefs.cpp
Просмотреть файл

@ -2410,13 +2410,13 @@ static nsresult dir_CreateTokenListFromWholePref(const char *pref, char ***outLi
static nsresult dir_CreateTokenListFromPref
(const char *prefBase, const char *prefLeaf, char *scratch, char ***outList, PRInt32 *outCount)
(const char *prefBase, const char *prefLeaf, char ***outList, PRInt32 *outCount)
{
PL_strcpy (scratch, prefBase);
PL_strcat (scratch, ".");
PL_strcat (scratch, prefLeaf);
nsCAutoString prefName(prefBase);
prefName.Append(".");
prefName.Append(prefLeaf);
return dir_CreateTokenListFromWholePref(scratch, outList, outCount);
return dir_CreateTokenListFromWholePref(prefName.get(), outList, outCount);
}
@ -2459,7 +2459,7 @@ static void dir_GetReplicationInfo(const char *prefstring, DIR_Server *server, c
server->replInfo->syncURL = DIR_GetStringPref(replPrefName, "syncURL", scratch, nsnull);
server->replInfo->filter = DIR_GetStringPref(replPrefName, "filter", scratch, kDefaultReplicaFilter);
dir_CreateTokenListFromPref(replPrefName, "excludedAttributes", scratch, &server->replInfo->excludedAttributes,
dir_CreateTokenListFromPref(replPrefName, "excludedAttributes", &server->replInfo->excludedAttributes,
&server->replInfo->excludedAttributesCount);
/* The file name and data version must be set or we ignore the
@ -2478,44 +2478,54 @@ static void dir_GetReplicationInfo(const char *prefstring, DIR_Server *server, c
/* Called at startup-time to read whatever overrides the LDAP site administrator has
* done to the attribute names
*/
static nsresult DIR_GetCustomAttributePrefs(const char *prefstring, DIR_Server *server, char *scratch)
static nsresult DIR_GetCustomAttributePrefs(const char *prefstring, DIR_Server *server)
{
nsresult rv = NS_OK;
nsCOMPtr<nsIPref> pPref(do_GetService(NS_PREF_CONTRACTID, &rv));
if (NS_FAILED(rv) || !pPref)
return NS_ERROR_FAILURE;
char **tokenList = nsnull;
char *childList = nsnull;
char **tokenList = nsnull;
char **childList = nsnull;
PL_strcpy(scratch, prefstring);
PL_strcat(scratch, ".attributes");
nsCAutoString branch(prefstring);
branch.Append(".attributes.");
if (PREF_NOERROR == pPref->CreateChildList(scratch, &childList))
PRUint32 branchLen = branch.Length();
PRUint32 prefCount;
rv = pPref->GetChildList(branch.get(), &prefCount, &childList);
if (NS_SUCCEEDED(rv))
{
if (childList && childList[0])
for (PRUint32 i = 0; i < prefCount; ++i)
{
char *child = nsnull;
PRInt16 indx = 0;
while ((pPref->NextChild (childList, &indx, &child)) == NS_OK)
char *jsValue = nsnull;
// The prefname we passed to GetChildList was of the form
// "ldap_2.servers." and we are returned the descendants
// in the form of "ldap_2.servers.servername.foo"
// But we want the prefbranch of the servername, so
// write a NUL character in to terminate the string early.
char *endToken = strchr(childList[i] + branchLen, '.');
if (endToken)
*endToken = char(0);
rv = pPref->CopyCharPref(childList[i], &jsValue);
if (NS_SUCCEEDED(rv))
{
char *jsValue = nsnull;
if (PREF_NOERROR == pPref->CopyCharPref (child, &jsValue))
if (jsValue && jsValue[0])
{
if (jsValue && jsValue[0])
{
char *attrName = child + PL_strlen(scratch) + 1;
DIR_AddCustomAttribute (server, attrName, jsValue);
}
PR_FREEIF(jsValue);
char *attrName = childList[i] + branchLen;
DIR_AddCustomAttribute (server, attrName, jsValue);
}
PR_FREEIF(jsValue);
}
}
PR_FREEIF(childList);
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(prefCount, childList);
}
if (0 == dir_CreateTokenListFromPref (prefstring, "basicSearchAttributes", scratch,
if (0 == dir_CreateTokenListFromPref (prefstring, "basicSearchAttributes",
&tokenList, &server->basicSearchAttributesCount))
{
dir_ConvertTokenListToIdList (server, tokenList, server->basicSearchAttributesCount,
@ -2527,11 +2537,11 @@ static nsresult DIR_GetCustomAttributePrefs(const char *prefstring, DIR_Server *
* we've never heard of, so they're stored by name, so we can match 'em
* as we get 'em from the server
*/
dir_CreateTokenListFromPref (prefstring, "html.dnAttributes", scratch,
dir_CreateTokenListFromPref (prefstring, "html.dnAttributes",
&server->dnAttributes, &server->dnAttributesCount);
dir_CreateTokenListFromPref (prefstring, "html.excludedAttributes", scratch,
dir_CreateTokenListFromPref (prefstring, "html.excludedAttributes",
&server->suppressedAttributes, &server->suppressedAttributesCount);
dir_CreateTokenListFromPref (prefstring, "html.uriAttributes", scratch,
dir_CreateTokenListFromPref (prefstring, "html.uriAttributes",
&server->uriAttributes, &server->uriAttributesCount);
return NS_OK;
@ -2557,12 +2567,18 @@ static nsresult DIR_GetCustomFilterPrefs(const char *prefstring, DIR_Server *ser
server->tokenSeps = DIR_GetStringPref (prefstring, "wordSeparators", localScratch, kDefaultTokenSeps);
while (keepGoing && NS_SUCCEEDED(status))
{
char *childList = nsnull;
char **childList = nsnull;
PR_snprintf (scratch, 128, "%s.filter%d", prefstring, filterNum);
if (PREF_NOERROR == pPref->CreateChildList(scratch, &childList))
nsCAutoString branch(scratch);
branch.Append(".");
PRUint32 prefCount;
status = pPref->GetChildList(branch.get(), &prefCount, &childList);
if (NS_SUCCEEDED(status))
{
if ('\0' != childList[0])
if (prefCount > 0)
{
DIR_Filter *filter = (DIR_Filter*) PR_Malloc (sizeof(DIR_Filter));
if (filter)
@ -2594,7 +2610,7 @@ static nsresult DIR_GetCustomFilterPrefs(const char *prefstring, DIR_Server *ser
}
else
keepGoing = PR_FALSE;
PR_Free(childList);
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(prefCount, childList);
}
else
keepGoing = PR_FALSE;
@ -2748,6 +2764,7 @@ char *DIR_CreateServerPrefName (DIR_Server *server, char *name)
char * leafName = nsnull;
char * prefName = nsnull;
PRBool isUnique = PR_FALSE;
PRUint32 branchLen = sizeof(PREF_LDAP_SERVER_TREE_NAME); // includes sizeof(".") we'll concat later
if (name)
leafName = nsCRT::strdup(name);
@ -2756,23 +2773,32 @@ char *DIR_CreateServerPrefName (DIR_Server *server, char *name)
if (leafName)
{
PRInt32 uniqueIDCnt = 0;
char * children = nsnull;
char * child = nsnull;
char **children = nsnull;
/* we need to verify that this pref string name is unique */
prefName = PR_smprintf(PREF_LDAP_SERVER_TREE_NAME".%s", leafName);
isUnique = PR_FALSE;
while (!isUnique && prefName)
{
isUnique = PR_TRUE; /* now flip the logic and assume we are unique until we find a match */
if (pPref->CreateChildList(PREF_LDAP_SERVER_TREE_NAME, &children) == PREF_NOERROR)
PRUint32 prefCount;
rv = pPref->GetChildList(PREF_LDAP_SERVER_TREE_NAME ".", &prefCount, &children);
if (NS_SUCCEEDED(rv))
{
PRInt16 i = 0;
while ( (pPref->NextChild(children, &i, &child)) == NS_OK && isUnique)
for (PRUint32 i = 0; i < prefCount && isUnique; ++i)
{
if (!nsCRT::strcasecmp(child, prefName) ) /* are they the same name?? */
isUnique = PR_FALSE;
// The prefname we passed to GetChildList was of the form
// "ldap_2.servers." and we are returned the descendants
// in the form of "ldap_2.servers.servername.foo"
// But we want the prefbranch of the servername, so
// write a NUL character in to terminate the string early.
char *endToken = strchr(children[i] + branchLen, '.');
if (endToken)
*endToken = char(0);
if (!nsCRT::strcasecmp(children[i], prefName)) /* are they the same branch? */
isUnique = PR_FALSE;
}
PR_FREEIF(children);
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(prefCount, children);
if (!isUnique) /* then try generating a new pref name and try again */
{
PR_smprintf_free(prefName);
@ -2873,7 +2899,7 @@ void DIR_GetPrefsForOneServer (DIR_Server *server, PRBool reinitialize, PRBool o
server->lastSearchString = DIR_GetStringPref (prefstring, "searchString", tempstring, "");
/* This is where site-configurable attributes and filters are read from JavaScript */
DIR_GetCustomAttributePrefs (prefstring, server, tempstring);
DIR_GetCustomAttributePrefs (prefstring, server);
DIR_GetCustomFilterPrefs (prefstring, server, tempstring);
/* The replicated attributes and basic search attributes can only be
@ -2998,8 +3024,6 @@ static nsresult dir_GetPrefsFrom45Branch(nsVoidArray **list, nsVoidArray **obsol
if (NS_FAILED(result) || !pPref)
return NS_ERROR_FAILURE;
char *children;
(*list) = new nsVoidArray();
if (!(*list))
return NS_ERROR_OUT_OF_MEMORY;
@ -3010,34 +3034,45 @@ static nsresult dir_GetPrefsFrom45Branch(nsVoidArray **list, nsVoidArray **obsol
if (!(*obsoleteList))
return NS_ERROR_OUT_OF_MEMORY;
}
char **children;
if (pPref->CreateChildList(PREF_LDAP_SERVER_TREE_NAME, &children) == PREF_NOERROR)
{
PRUint32 prefCount;
PRUint32 branchLen = sizeof(PREF_LDAP_SERVER_TREE_NAME); // includes sizeof(".") we'll concat later
result = pPref->GetChildList(PREF_LDAP_SERVER_TREE_NAME ".", &prefCount, &children);
if (NS_SUCCEEDED(result))
{
/* TBD: Temporary code to read broken "ldap" preferences tree.
* Remove line with if statement after M10.
*/
if (dir_UserId == 0)
pPref->GetIntPref(PREF_LDAP_GLOBAL_TREE_NAME".user_id", &dir_UserId);
PRInt16 i = 0;
char *child;
while ((pPref->NextChild(children, &i, &child)) == NS_OK)
for (PRUint32 i = 0; i < prefCount; ++i)
{
DIR_Server *server;
// The prefname we passed to GetChildList was of the form
// "ldap_2.servers." and we are returned the descendants
// in the form of "ldap_2.servers.servername.foo"
// But we want the prefbranch of the servername, so
// write a NUL character in to terminate the string early.
char *endToken = strchr(children[i] + branchLen, '.');
if (endToken)
*endToken = char(0);
server = (DIR_Server *)PR_Calloc(1, sizeof(DIR_Server));
if (server)
{
DIR_InitServer(server);
server->prefName = nsCRT::strdup(child);
server->prefName = nsCRT::strdup(children[i]);
DIR_GetPrefsForOneServer(server, PR_FALSE, PR_FALSE);
if ( server->description && server->description[0]
&& ( (server->dirType == PABDirectory ||
server->dirType == MAPIDirectory ||
server->dirType == FixedQueryLDAPDirectory || // this one might go away
server->dirType == LDAPDirectory)
|| (server->serverName && server->serverName[0])))
{
if (!dir_IsServerDeleted(server))
@ -3056,7 +3091,7 @@ static nsresult dir_GetPrefsFrom45Branch(nsVoidArray **list, nsVoidArray **obsol
}
}
PR_Free(children);
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(prefCount, children);
}
return result;
@ -3072,7 +3107,7 @@ nsresult DIR_GetServerPreferences(nsVoidArray** list)
PRInt32 position = 1;
PRInt32 version = -1;
char *oldChildren = nsnull;
char **oldChildren = nsnull;
PRBool savePrefs = PR_FALSE;
PRBool migrating = PR_FALSE;
nsVoidArray *oldList = nsnull;
@ -3089,14 +3124,16 @@ nsresult DIR_GetServerPreferences(nsVoidArray** list)
pPref->SetIntPref(PREF_LDAP_VERSION_NAME, kCurrentListVersion);
/* Look to see if there's an old-style "ldap_1" tree in prefs */
if (PREF_NOERROR == pPref->CreateChildList("ldap_1", &oldChildren))
PRUint32 prefCount;
err = pPref->GetChildList("ldap_1.", &prefCount, &oldChildren);
if (NS_SUCCEEDED(err))
{
if (PL_strlen(oldChildren))
if (prefCount > 0)
{
migrating = PR_TRUE;
position = dir_GetPrefsFrom40Branch(&oldList);
}
PR_Free(oldChildren);
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(prefCount, oldChildren);
}
}
}

4
modules/libpref/public/nsIPref.idl
Просмотреть файл

@ -250,10 +250,6 @@ interface nsIPref : nsISupports {
[noscript] void RegisterCallback(in string domain, in PrefChangedFunc callback, in voidPtr closure);
[noscript] void UnregisterCallback(in string domain, in PrefChangedFunc callback, in voidPtr closure);
string CreateChildList(in string parent_node);
[noscript] string NextChild(in string child_list, inout short index);
/**
* EnumerateChildren
*

92
modules/libpref/src/nsPref.cpp
Просмотреть файл

@ -108,8 +108,6 @@ public:
NS_IMETHOD RegisterCallback(const char *domain, PrefChangedFunc callback, void * closure);
NS_IMETHOD UnregisterCallback(const char *domain, PrefChangedFunc callback, void * closure);
NS_IMETHOD CreateChildList(const char *parent_node, char **childList);
NS_IMETHOD NextChild(const char *child_list, PRInt16 *index, char **_retval);
NS_IMETHOD EnumerateChildren(const char *parent, PrefEnumerationFunc callback, void * data);
protected:
@ -546,96 +544,6 @@ NS_IMETHODIMP nsPref::UnregisterCallback( const char* domain,
* Preference enumeration
*/
NS_IMETHODIMP nsPref::CreateChildList(const char* parent_node, char **child_list)
{
PRUint32 bufferSize;
PRUint32 theCount;
PRUint32 i;
nsresult rv;
char **childArray;
char *childList;
char *prefName;
NS_ENSURE_ARG_POINTER(parent_node);
NS_ENSURE_ARG_POINTER(child_list);
if (*parent_node > 0)
prefName = PR_smprintf("%s.", parent_node);
else
prefName = PL_strdup("");
if (prefName == nsnull) {
return NS_ERROR_OUT_OF_MEMORY;
}
rv = GetChildList(prefName, &theCount, &childArray);
if (NS_SUCCEEDED(rv)) {
// now that we've built up the list, build a buffer from the results
bufferSize = 2048;
childList = (char *)nsMemory::Alloc(sizeof(char) * bufferSize);
if (childList != nsnull) {
char buf[512];
char* nextdelim;
PRUint32 parentlen = PL_strlen(prefName);
char* substring;
childList[0] = '\0';
for (i = 0; i < theCount; ++i) {
PL_strncpy(buf, (char *)childArray[i], PR_MIN(512, PL_strlen((char *)childArray[i]) + 1));
nextdelim = buf + parentlen;
if (parentlen < PL_strlen(buf)) {
// Find the next delimiter if any and truncate the string there
nextdelim = PL_strstr(nextdelim, ".");
if (nextdelim) {
*nextdelim = ';';
*(nextdelim + 1) = '\0';
}
}
// if this substring isn't already in the buffer, add it
substring = PL_strstr(childList, buf);
if (!substring) {
unsigned int newsize = PL_strlen(childList) + PL_strlen(buf) + 2;
if (newsize > bufferSize) {
bufferSize *= 2;
childList = (char *)nsMemory::Realloc(childList, sizeof(char) * bufferSize);
if (childList == nsnull) {
// problem... break out of for loop
break;
}
}
PL_strcat(childList, buf);
}
}
*child_list = childList;
}
// if we had an Alloc or Realloc problem
if (childList == nsnull) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
// release the memory allocated by GetChildList
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(theCount, childArray);
}
PR_Free(prefName);
return rv;
}
NS_IMETHODIMP nsPref::NextChild(const char *child_list, PRInt16 *indx, char **listchild)
{
char* temp = (char*)&child_list[*indx];
char* newstr;
char* child = nsCRT::strtok(temp, ";", &newstr);
if (child) {
*indx += PL_strlen(child) + 1;
*listchild = child;
return NS_OK;
} else
return NS_ERROR_NULL_POINTER;
}
NS_IMETHODIMP nsPref::EnumerateChildren(const char *parent, PrefEnumerationFunc callback, void *arg)
{
PRUint32 theCount;