bool cVarParser::ParseCondExp(const string& input)
{
int condEndPos = input.find("?");
string cond(input.begin(), input.begin() + condEndPos);
int condNeqPos = cond.find("!=");
int condEqPos = cond.find("==");
if (condEqPos == -1 && condNeqPos == -1)
{
cond += "!=";
condNeqPos = cond.find("!=");
}
if (condEqPos >= 0 || condNeqPos >= 0)
{
if (!ParseEquality(cond))
{
LogFile.eSysLog("error parsing '%s'", input.c_str());
return false;
}
condOp = (condEqPos >= 0)?condEq:condNeq;
}
else
{
LogFile.eSysLog("error parsing '%s'", input.c_str());
return false;
}
string truefalse(input.begin() + condEndPos + 1, input.end());
int elsePos = truefalse.find(":");
if (elsePos >= 0)
{
string truePart(truefalse.begin(), truefalse.begin() + elsePos);
string falsePart(truefalse.begin() + elsePos + 1, truefalse.end());
if (ParseVar(truePart) && ParseVar(falsePart))
{
condvarTrue = Strip(truePart);
condvarFalse = Strip(falsePart);
type = cVarParser::condition;
return true;
}
}
LogFile.eSysLog("error parsing '%s'", input.c_str());
condEqLeft = condEqRight = "";
return false;
}
int
config_validate()
{
char **ary = NULL;
char **app = NULL;
char *cp = NULL;
char *xp = NULL;
char ebuf[MAX_EBUF_LEN];
int ret = 0;
uid_t uid = 0;
if (Hconf == NULL)
{
(void) fprintf(stderr, "No configuration information to validate\n");
return EINVAL;
}
cp = CONF_HOME_DIR;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
if (config_dir_must_exist(ary[0], ebuf, sizeof ebuf) != 0)
ret = config_errout(cp, ary[0], ebuf, 0);
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
}
cp = CONF_DISK_ARCHIVE_DAYS;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp))
{
ret = config_errout(cp, ary[0], "Value contains a non-integer", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_DISK_ARCHIVE_PATH;
ary = config_lookup(cp);
if (ary != NULL)
{
if (config_dir_must_exist(ary[0], ebuf, sizeof ebuf) != 0)
ret = config_errout(cp, ary[0], ebuf, 0);
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
}
cp = CONF_SEND_404_ON_ERROR;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
if (truefalse(ary[0]) == NEITHER)
ret = config_errout(cp, ary[0], "Value is neither true nor false", 0);
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_GIF_INTERFACE;
ary = config_lookup(cp);
if (ary != NULL)
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp) && *xp != '.')
{
ret = config_errout(cp, ary[0], "Value contained other than integer or dot", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_GIF_PORT;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp))
{
ret = config_errout(cp, ary[0], "Value contained other than integers", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_GIF_FILE;
ary = config_lookup(cp);
if (ary != NULL)
{
ret = access(ary[0], R_OK);
if (ret != 0)
{
ret = config_errout(cp, ary[0], strerror(errno), 0);
}
else if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
}
cp = CONF_GIF_TIMEOUT;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp))
{
ret = config_errout(cp, ary[0], "Value contained other than integers", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_GIF_PATH_COLUMNS;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (app = ary; app != NULL && *app != NULL; ++app)
{
char *ep;
ep = strchr(*app, ':');
if (ep == NULL)
{
ret = config_errout(cp, *app, "Missing mandaory colon.", 0);
continue;
}
*ep = '\0';
for (xp = *app; *xp != '\0'; ++xp)
{
if (! isascii((int) *xp) || (! isalnum((int) *xp) && *xp != '_') )
{
ret = config_errout(cp, *app, "Value not all alphanumeric or _ ", 0);
break;
}
}
*ep = ':';
++ep;
for (xp = ep; *xp != '\0'; ++xp)
{
if (! isascii((int) *xp) || (! isalnum((int) *xp) && *xp != '_' && *xp != ',') )
{
ret = config_errout(cp, *app, "Value not all alphanumeric or _ or ,", 0);
break;
}
}
if (strlen(*app) >= MAX_COLUMN_NAME_LEN-1)
ret = config_errout(cp, *app, "String value too long", MAX_COLUMN_NAME_LEN-1);
}
}
cp = CONF_DATA_INTERFACE;
ary = config_lookup(cp);
if (ary != NULL)
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp) && *xp != '.')
{
ret = config_errout(cp, ary[0], "Value contained other than integer or dot", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_DATA_PORT;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp))
{
ret = config_errout(cp, ary[0], "Value contained other than integers", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_DATA_TIMEOUT;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp))
{
ret = config_errout(cp, ary[0], "Value contained other than integers", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_UPLOAD_INTERFACE;
ary = config_lookup(cp);
if (ary != NULL)
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp) && *xp != '.')
{
ret = config_errout(cp, ary[0], "Value contained other than integer or dot", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_UPLOAD_PORT;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp))
{
ret = config_errout(cp, ary[0], "Value contained other than integers", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
cp = CONF_UPLOAD_TIMEOUT;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp))
{
ret = config_errout(cp, ary[0], "Value contained other than integers", 0);
break;
}
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
/*
* more_post_path= may be undefined. But if it is defined
* no element may have a character that is other than alpha-numeric
* or the underscore. And each element must be < 127 characters in length.
* There may only be 16 path elements listed at most.
*/
cp = CONF_UPLOAD_PATH_COLUMN;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (app = ary; app != NULL && *app != NULL; ++app)
{
char *ep;
ep = strchr(*app, ':');
if (ep == NULL)
{
ret = config_errout(cp, *app, "Missing mandaory colon.", 0);
continue;
}
*ep = '\0';
for (xp = *app; *xp != '\0'; ++xp)
{
if (! isascii((int) *xp) || (! isalnum((int) *xp) && *xp != '_') )
{
ret = config_errout(cp, *app, "Value not all alphanumeric or _ ", 0);
break;
}
}
*ep = ':';
++ep;
for (xp = ep; *xp != '\0'; ++xp)
{
if (! isascii((int) *xp) || (! isalnum((int) *xp) && *xp != '_' && *xp != ',') )
{
ret = config_errout(cp, *app, "Value not all alphanumeric or _ or ,", 0);
break;
}
}
if (strlen(*app) >= MAX_COLUMN_NAME_LEN-1)
ret = config_errout(cp, *app, "String value too long", MAX_COLUMN_NAME_LEN-1);
}
}
/*
* numthreads= must be defined. It shouldn't be too small or performance
* will degrade. Between 500 and 1000 is a good starting range. If the
* value specified contains non-digits, it will be rejected. If the value
* is larger than 9996, it will be rejected as too big.
* This numthreads= may only be defined once.
*/
cp = CONF_NUMTHREADS;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
for (xp = ary[0]; *xp != '\0'; ++xp)
{
if (! isdigit((int) *xp))
{
ret = config_errout(cp, ary[0], "Value contained other than integers", 0);
break;
}
}
if (strtoul(ary[0], NULL, 10) > MAX_THREADS)
ret = config_errout(cp, ary[0], "Too many threads requested", MAX_THREADS);
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
/*
* log_facility= is optional. If omitted, the facility becomes LOG_MAIL.
* Values for this entry must be one of the facilities defined in syslog.h
* with the leading LOG_ omitted. The value will be checked in a non-casesensitive
* manner. Useful alternatives are local1 through local8.
*/
cp = CONF_LOG_FACILITY;
ary = config_lookup(cp);
if (ary != NULL)
{
if (log_check_facility(ary[0]) < 0)
ret = config_errout(cp, ary[0], "Not a known syslog facility", 0);
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
}
/*
* become_user= is Mandatory. It may be any user that exists in the password
* database, or may be an existing user-id numeric expression. The user specified
* must exist and must not be root.
*/
cp = CONF_BECOME_USER;
ary = config_lookup(cp);
if (ary == NULL)
ret = config_errout(cp, NULL, "Mandatory item is missing", 0);
else
{
if (strlen(ary[0]) == 0)
ret = config_errout(cp, ary[0], "May not be an empty string", 0);
if (ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
if ((uid = util_getuid(ary[0])) == 0)
ret = config_errout(cp, ary[0], "You may specified a bad user.", 0);
}
/* If a pidfile= is defined it must not
* be an empty string. The pid file must not already
* exist. If it does, the file will not be overwritten.
*/
cp = CONF_PIDFILE;
ary = config_lookup(cp);
if (ary != NULL)
{
if (strlen(ary[0]) == 0)
{
ret = config_errout(cp, ary[0], "May not be an empty string", 0);
}
}
if (ary != NULL && ary[1] != NULL)
ret = config_errout(cp, NULL, "Too many of this item found", 1);
return ret;
}
