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nfqws,tpws: remove null pointer checks before free()

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This commit is contained in:
bol-van 2025-01-09 18:56:01 +03:00
parent f21bd0c63c
commit 29ff997a3f
7 changed files with 19 additions and 33 deletions
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14
nfq/conntrack.c
View File

@ -27,11 +27,8 @@ static void connswap(const t_conn *c, t_conn *c2)
void ConntrackClearHostname(t_ctrack *track) void ConntrackClearHostname(t_ctrack *track)
{ {
if (track->hostname) free(track->hostname);
{ track->hostname = NULL;
free(track->hostname);
track->hostname = NULL;
}
} }
static void ConntrackClearTrack(t_ctrack *track) static void ConntrackClearTrack(t_ctrack *track)
{ {
@ -349,11 +346,8 @@ void ConntrackPoolDump(const t_conntrack *p)
void ReasmClear(t_reassemble *reasm) void ReasmClear(t_reassemble *reasm)
{ {
if (reasm->packet) free(reasm->packet);
{ reasm->packet = NULL;
free(reasm->packet);
reasm->packet = NULL;
}
reasm->size = reasm->size_present = 0; reasm->size = reasm->size_present = 0;
} }
bool ReasmInit(t_reassemble *reasm, size_t size_requested, uint32_t seq_start) bool ReasmInit(t_reassemble *reasm, size_t size_requested, uint32_t seq_start)

7
nfq/gzip.c
View File

@ -65,11 +65,8 @@ int z_readfile(FILE *F, char **buf, size_t *size)
zerr: zerr:
inflateEnd(&zs); inflateEnd(&zs);
if (*buf) free(*buf);
{ *buf = NULL;
free(*buf);
*buf = NULL;
}
return r; return r;
} }

6
nfq/pools.c
View File

@ -139,7 +139,7 @@ bool strlist_add(struct str_list_head *head, const char *filename)
} }
static void strlist_entry_destroy(struct str_list *entry) static void strlist_entry_destroy(struct str_list *entry)
{ {
if (entry->str) free(entry->str); free(entry->str);
free(entry); free(entry);
} }
void strlist_destroy(struct str_list_head *head) void strlist_destroy(struct str_list_head *head)
@ -178,7 +178,7 @@ struct hostlist_file *hostlist_files_add(struct hostlist_files_head *head, const
} }
static void hostlist_files_entry_destroy(struct hostlist_file *entry) static void hostlist_files_entry_destroy(struct hostlist_file *entry)
{ {
if (entry->filename) free(entry->filename); free(entry->filename);
StrPoolDestroy(&entry->hostlist); StrPoolDestroy(&entry->hostlist);
free(entry); free(entry);
} }
@ -392,7 +392,7 @@ struct ipset_file *ipset_files_add(struct ipset_files_head *head, const char *fi
} }
static void ipset_files_entry_destroy(struct ipset_file *entry) static void ipset_files_entry_destroy(struct ipset_file *entry)
{ {
if (entry->filename) free(entry->filename); free(entry->filename);
ipsetDestroy(&entry->ipset); ipsetDestroy(&entry->ipset);
free(entry); free(entry);
} }

7
tpws/gzip.c
View File

@ -65,11 +65,8 @@ int z_readfile(FILE *F, char **buf, size_t *size)
zerr: zerr:
inflateEnd(&zs); inflateEnd(&zs);
if (*buf) free(*buf);
{ *buf = NULL;
free(*buf);
*buf = NULL;
}
return r; return r;
} }

6
tpws/pools.c
View File

@ -139,7 +139,7 @@ bool strlist_add(struct str_list_head *head, const char *filename)
} }
static void strlist_entry_destroy(struct str_list *entry) static void strlist_entry_destroy(struct str_list *entry)
{ {
if (entry->str) free(entry->str); free(entry->str);
free(entry); free(entry);
} }
void strlist_destroy(struct str_list_head *head) void strlist_destroy(struct str_list_head *head)
@ -177,7 +177,7 @@ struct hostlist_file *hostlist_files_add(struct hostlist_files_head *head, const
} }
static void hostlist_files_entry_destroy(struct hostlist_file *entry) static void hostlist_files_entry_destroy(struct hostlist_file *entry)
{ {
if (entry->filename) free(entry->filename); free(entry->filename);
StrPoolDestroy(&entry->hostlist); StrPoolDestroy(&entry->hostlist);
free(entry); free(entry);
} }
@ -391,7 +391,7 @@ struct ipset_file *ipset_files_add(struct ipset_files_head *head, const char *fi
} }
static void ipset_files_entry_destroy(struct ipset_file *entry) static void ipset_files_entry_destroy(struct ipset_file *entry)
{ {
if (entry->filename) free(entry->filename); free(entry->filename);
ipsetDestroy(&entry->ipset); ipsetDestroy(&entry->ipset);
free(entry); free(entry);
} }

1
tpws/sec.h
View File

@ -1,6 +1,7 @@
#pragma once #pragma once
#include "params.h" #include "params.h"
#include "linux_compat.h"
#include <sys/types.h> #include <sys/types.h>
#include <stdbool.h> #include <stdbool.h>

11
tpws/tpws_conn.c
View File

@ -169,11 +169,8 @@ static bool send_buffer_realloc(send_buffer_t *sb, size_t extra_bytes)
static void send_buffer_free(send_buffer_t *sb) static void send_buffer_free(send_buffer_t *sb)
{ {
if (sb->data) free(sb->data);
{ sb->data = NULL;
free(sb->data);
sb->data = NULL;
}
} }
static void send_buffers_free(send_buffer_t *sb_array, int count) static void send_buffers_free(send_buffer_t *sb_array, int count)
{ {
@ -520,7 +517,7 @@ static void free_conn(tproxy_conn_t *conn)
} }
conn_free_buffers(conn); conn_free_buffers(conn);
if (conn->partner) conn->partner->partner=NULL; if (conn->partner) conn->partner->partner=NULL;
if (conn->track.hostname) free(conn->track.hostname); free(conn->track.hostname);
if (conn->socks_ri) conn->socks_ri->ptr = NULL; // detach conn if (conn->socks_ri) conn->socks_ri->ptr = NULL; // detach conn
free(conn); free(conn);
} }
@ -1762,7 +1759,7 @@ int event_loop(const int *listen_fd, size_t listen_fd_ct)
ex: ex:
if (efd) close(efd); if (efd) close(efd);
if (listen_conn) free(listen_conn); free(listen_conn);
resolver_deinit(); resolver_deinit();
if (resolve_pipe[0]) close(resolve_pipe[0]); if (resolve_pipe[0]) close(resolve_pipe[0]);
if (resolve_pipe[1]) close(resolve_pipe[1]); if (resolve_pipe[1]) close(resolve_pipe[1]);