static void FreeNsswitchConfContents(NsswitchConf *conf)
{
size_t i;
for(i = 0; i < conf->lines.size; i++)
{
FreeNsswitchEntryContents(((NsswitchEntry *)conf->lines.data) + i);
}
}
static void FreeNsswitchConfContents(NsswitchConf *conf)
{
size_t i;
for(i = 0; i < conf->lines.size; i++)
{
FreeNsswitchEntryContents(((NsswitchEntry *)conf->lines.data) + i);
}
CT_SAFE_FREE_STRING(conf->filename);
CTArrayFree(&conf->lines);
}
static DWORD AddFormattedLine(NsswitchConf *conf, const char *filename, const char *linestr, const char **endptr)
{
DWORD ceError = ERROR_SUCCESS;
NsswitchEntry lineObj;
const char *pos = linestr;
const char *token_start = NULL;
CTParseToken token;
memset(&lineObj, 0, sizeof(lineObj));
memset(&token, 0, sizeof(token));
/* Find the leading whitespace in the line */
token_start = pos;
while(isblank(*pos)) pos++;
GCE(ceError = CTStrndup(token_start, pos - token_start, &lineObj.leadingWhiteSpace));
/* Read the name of the entry and attach its trailing : or = */
GCE(ceError = CTReadToken(&pos, &lineObj.name, "=: \t", ";#\r\n", ""));
/* Create an array of the modules for this entry */
while(strchr("\r\n;#", *pos) == NULL)
{
GCE(ceError = CTReadToken(&pos, &token, ", \t", ";#\r\n", ""));
GCE(ceError = CTArrayAppend(&lineObj.modules, sizeof(CTParseToken), &token, 1));
memset(&token, 0, sizeof(token));
}
/*Read the comment, if there is one*/
token_start = pos;
while(strchr("\r\n", *pos) == NULL) pos++;
if(pos != token_start)
GCE(ceError = CTStrndup(token_start, pos - token_start, &lineObj.comment));
GCE(ceError = CTArrayAppend(&conf->lines, sizeof(lineObj), &lineObj, 1));
memset(&lineObj, 0, sizeof(lineObj));
if(endptr != NULL)
*endptr = pos;
cleanup:
FreeNsswitchEntryContents(&lineObj);
CTFreeParseTokenContents(&token);
return ceError;
}
static DWORD RemoveLine(NsswitchConf *conf, int line)
{
DWORD ceError = ERROR_SUCCESS;
NsswitchEntry *lineObj = (NsswitchEntry *)GetEntry(conf, line);
if(lineObj == NULL)
{
GCE(ceError = ERROR_INVALID_PARAMETER);
}
FreeNsswitchEntryContents(lineObj);
GCE(ceError = CTArrayRemove(&conf->lines, line, sizeof(NsswitchEntry), 1));
conf->modified = 1;
cleanup:
return ceError;
}
static DWORD AddEntry(NsswitchConf *conf, const DistroInfo *distro,
int *addedIndex, const char *name)
{
DWORD ceError = ERROR_SUCCESS;
int line = -1;
NsswitchEntry lineObj;
const NsswitchEntry *copy;
memset(&lineObj, 0, sizeof(lineObj));
GCE(ceError = CTStrdup(name, &lineObj.name.value));
for(line = 0; line < conf->lines.size; line++)
{
copy = GetEntry(conf, line);
if(copy->name.value != NULL)
{
GCE(ceError = CTStrdup(copy->name.trailingSeparator, &lineObj.name.trailingSeparator));
break;
}
}
if(lineObj.name.trailingSeparator == NULL)
{
//Couldn't find an existing line to copy the separator from. We'll
//have to guess based on the OS
if(distro->os == OS_AIX)
GCE(ceError = CTStrdup(" = ", &lineObj.name.trailingSeparator));
else
GCE(ceError = CTStrdup(": ", &lineObj.name.trailingSeparator));
}
GCE(ceError = CTArrayAppend(&conf->lines,
sizeof(NsswitchEntry), &lineObj, 1));
memset(&lineObj, 0, sizeof(lineObj));
conf->modified = 1;
if(addedIndex != NULL)
*addedIndex = conf->lines.size - 1;
cleanup:
FreeNsswitchEntryContents(&lineObj);
return ceError;
}
