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tpws,nfqws: fix 100% cpu hang on gzipped hostlist with comments

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bol-van 2024-10-13 17:26:25 +03:00
parent f32df7d701
commit baca5a184d
4 changed files with 48 additions and 36 deletions
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40
nfq/hostlist.c
View File

@ -4,17 +4,27 @@
#include "helpers.h" #include "helpers.h"
// inplace tolower() and add to pool // inplace tolower() and add to pool
static bool addpool(strpool **hostlist, char **s, const char *end) static bool addpool(strpool **hostlist, char **s, const char *end, int *ct)
{ {
char *p; char *p=*s;
// advance until eol lowering all chars // comment line
for (p = *s; p<end && *p && *p!='\r' && *p != '\n'; p++) *p=tolower(*p); if ( *p == '#' || *p == ';' || *p == '/' || *p == '\r' || *p == '\n')
if (!StrPoolAddStrLen(hostlist, *s, p-*s))
{ {
StrPoolDestroy(hostlist); // advance until eol
*hostlist = NULL; for (; p<end && *p && *p!='\r' && *p != '\n'; p++);
return false; }
else
{
// advance until eol lowering all chars
for (; p<end && *p && *p!='\r' && *p != '\n'; p++) *p=tolower(*p);
if (!StrPoolAddStrLen(hostlist, *s, p-*s))
{
StrPoolDestroy(hostlist);
*hostlist = NULL;
return false;
}
(*ct)++;
} }
// advance to the next line // advance to the next line
for (; p<end && (!*p || *p=='\r' || *p=='\n') ; p++); for (; p<end && (!*p || *p=='\r' || *p=='\n') ; p++);
@ -22,7 +32,7 @@ static bool addpool(strpool **hostlist, char **s, const char *end)
return true; return true;
} }
bool AppendHostList(strpool **hostlist, char *filename) bool AppendHostList(strpool **hostlist, const char *filename)
{ {
char *p, *e, s[256], *zbuf; char *p, *e, s[256], *zbuf;
size_t zsize; size_t zsize;
@ -50,14 +60,12 @@ bool AppendHostList(strpool **hostlist, char *filename)
e = zbuf + zsize; e = zbuf + zsize;
while(p<e) while(p<e)
{ {
if ( *p == '#' || *p == ';' || *p == '/' || *p == '\n' ) continue; if (!addpool(hostlist,&p,e,&ct))
if (!addpool(hostlist,&p,e))
{ {
DLOG_ERR("Not enough memory to store host list : %s\n", filename); DLOG_ERR("Not enough memory to store host list : %s\n", filename);
free(zbuf); free(zbuf);
return false; return false;
} }
ct++;
} }
free(zbuf); free(zbuf);
} }
@ -71,17 +79,15 @@ bool AppendHostList(strpool **hostlist, char *filename)
{ {
DLOG_CONDUP("loading plain text list\n"); DLOG_CONDUP("loading plain text list\n");
while (fgets(s, 256, F)) while (fgets(s, sizeof(s), F))
{ {
p = s; p = s;
if ( *p == '#' || *p == ';' || *p == '/' || *p == '\n' ) continue; if (!addpool(hostlist,&p,p+strlen(p),&ct))
if (!addpool(hostlist,&p,p+strlen(p)))
{ {
DLOG_ERR("Not enough memory to store host list : %s\n", filename); DLOG_ERR("Not enough memory to store host list : %s\n", filename);
fclose(F); fclose(F);
return false; return false;
} }
ct++;
} }
fclose(F); fclose(F);
} }

2
nfq/hostlist.h
View File

@ -4,7 +4,7 @@
#include "pools.h" #include "pools.h"
#include "params.h" #include "params.h"
bool AppendHostList(strpool **hostlist, char *filename); bool AppendHostList(strpool **hostlist, const char *filename);
bool LoadHostLists(strpool **hostlist, struct str_list_head *file_list); bool LoadHostLists(strpool **hostlist, struct str_list_head *file_list);
bool LoadIncludeHostLists(); bool LoadIncludeHostLists();
bool LoadExcludeHostLists(); bool LoadExcludeHostLists();

40
tpws/hostlist.c
View File

@ -5,17 +5,27 @@
#include "helpers.h" #include "helpers.h"
// inplace tolower() and add to pool // inplace tolower() and add to pool
static bool addpool(strpool **hostlist, char **s, const char *end) static bool addpool(strpool **hostlist, char **s, const char *end, int *ct)
{ {
char *p; char *p=*s;
// advance until eol lowering all chars // comment line
for (p = *s; p<end && *p && *p!='\r' && *p != '\n'; p++) *p=tolower(*p); if ( *p == '#' || *p == ';' || *p == '/' || *p == '\r' || *p == '\n')
if (!StrPoolAddStrLen(hostlist, *s, p-*s))
{ {
StrPoolDestroy(hostlist); // advance until eol
*hostlist = NULL; for (; p<end && *p && *p!='\r' && *p != '\n'; p++);
return false; }
else
{
// advance until eol lowering all chars
for (; p<end && *p && *p!='\r' && *p != '\n'; p++) *p=tolower(*p);
if (!StrPoolAddStrLen(hostlist, *s, p-*s))
{
StrPoolDestroy(hostlist);
*hostlist = NULL;
return false;
}
(*ct)++;
} }
// advance to the next line // advance to the next line
for (; p<end && (!*p || *p=='\r' || *p=='\n') ; p++); for (; p<end && (!*p || *p=='\r' || *p=='\n') ; p++);
@ -23,7 +33,7 @@ static bool addpool(strpool **hostlist, char **s, const char *end)
return true; return true;
} }
bool AppendHostList(strpool **hostlist, char *filename) bool AppendHostList(strpool **hostlist, const char *filename)
{ {
char *p, *e, s[256], *zbuf; char *p, *e, s[256], *zbuf;
size_t zsize; size_t zsize;
@ -51,14 +61,12 @@ bool AppendHostList(strpool **hostlist, char *filename)
e = zbuf + zsize; e = zbuf + zsize;
while(p<e) while(p<e)
{ {
if ( *p == '#' || *p == ';' || *p == '/' || *p == '\n' ) continue; if (!addpool(hostlist,&p,e,&ct))
if (!addpool(hostlist,&p,e))
{ {
DLOG_ERR("Not enough memory to store host list : %s\n", filename); DLOG_ERR("Not enough memory to store host list : %s\n", filename);
free(zbuf); free(zbuf);
return false; return false;
} }
ct++;
} }
free(zbuf); free(zbuf);
} }
@ -72,17 +80,15 @@ bool AppendHostList(strpool **hostlist, char *filename)
{ {
DLOG_CONDUP("loading plain text list\n"); DLOG_CONDUP("loading plain text list\n");
while (fgets(s, 256, F)) while (fgets(s, sizeof(s), F))
{ {
p = s; p = s;
if ( *p == '#' || *p == ';' || *p == '/' || *p == '\n' ) continue; if (!addpool(hostlist,&p,p+strlen(p),&ct))
if (!addpool(hostlist,&p,p+strlen(p)))
{ {
DLOG_ERR("Not enough memory to store host list : %s\n", filename); DLOG_ERR("Not enough memory to store host list : %s\n", filename);
fclose(F); fclose(F);
return false; return false;
} }
ct++;
} }
fclose(F); fclose(F);
} }

2
tpws/hostlist.h
View File

@ -4,7 +4,7 @@
#include "pools.h" #include "pools.h"
#include "params.h" #include "params.h"
bool AppendHostList(strpool **hostlist, char *filename); bool AppendHostList(strpool **hostlist, const char *filename);
bool LoadHostLists(strpool **hostlist, struct str_list_head *file_list); bool LoadHostLists(strpool **hostlist, struct str_list_head *file_list);
bool LoadIncludeHostLists(); bool LoadIncludeHostLists();
bool LoadExcludeHostLists(); bool LoadExcludeHostLists();