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-rw-r--r--source3/smbd/chgpasswd.c12
-rw-r--r--source3/smbd/dir.c2
-rw-r--r--source3/smbd/ipc.c29
-rw-r--r--source3/smbd/mangle.c8
-rw-r--r--source3/smbd/message.c14
-rw-r--r--source3/smbd/pipes.c4
-rw-r--r--source3/smbd/reply.c175
-rw-r--r--source3/smbd/server.c36
-rw-r--r--source3/smbd/trans2.c28
-rw-r--r--source3/smbd/vt_mode.c12
10 files changed, 181 insertions, 139 deletions
diff --git a/source3/smbd/chgpasswd.c b/source3/smbd/chgpasswd.c
index 6063f2aac8..bed81138b2 100644
--- a/source3/smbd/chgpasswd.c
+++ b/source3/smbd/chgpasswd.c
@@ -212,8 +212,8 @@ static int expect(int master,char *expected,char *buf)
{
pstring s1,s2;
- strcpy(s1,buf);
- strcpy(s2,expected);
+ pstrcpy(s1,buf);
+ pstrcpy(s2,expected);
if (do_match(s1, s2, False))
return(True);
}
@@ -364,11 +364,11 @@ BOOL chgpasswd(char *name,char *oldpass,char *newpass)
}
#if (defined(PASSWD_PROGRAM) && defined(PASSWD_CHAT))
- strcpy(passwordprogram,PASSWD_PROGRAM);
- strcpy(chatsequence,PASSWD_CHAT);
+ pstrcpy(passwordprogram,PASSWD_PROGRAM);
+ pstrcpy(chatsequence,PASSWD_CHAT);
#else
- strcpy(passwordprogram,lp_passwd_program());
- strcpy(chatsequence,lp_passwd_chat());
+ pstrcpy(passwordprogram,lp_passwd_program());
+ pstrcpy(chatsequence,lp_passwd_chat());
#endif
if (!*chatsequence) {
diff --git a/source3/smbd/dir.c b/source3/smbd/dir.c
index 06ee6ae8ed..567bc14424 100644
--- a/source3/smbd/dir.c
+++ b/source3/smbd/dir.c
@@ -461,7 +461,7 @@ BOOL get_dir_entry(int cnum,char *mask,int dirtype,char *fname,int *size,int *mo
matched = False;
- strcpy(filename,dname);
+ pstrcpy(filename,dname);
if ((strcmp(filename,mask) == 0) ||
(name_map_mangle(filename,True,SNUM(cnum)) &&
diff --git a/source3/smbd/ipc.c b/source3/smbd/ipc.c
index ced3a2009d..b9355c4ec0 100644
--- a/source3/smbd/ipc.c
+++ b/source3/smbd/ipc.c
@@ -774,7 +774,7 @@ static int get_server_info(uint32 servertype,
pstring line;
BOOL local_list_only;
- strcpy(fname,lp_lockdir());
+ pstrcpy(fname,lp_lockdir());
trim_string(fname,NULL,"/");
strcat(fname,"/");
strcat(fname,SERVER_LIST);
@@ -1363,7 +1363,7 @@ static BOOL api_SetUserPassword(int cnum,uint16 vuid, char *param,char *data,
fstring user;
fstring pass1,pass2;
- strcpy(user,p);
+ fstrcpy(user,p);
p = skip_string(p,1);
@@ -1698,14 +1698,14 @@ static BOOL api_RNetServerGetInfo(int cnum,uint16 vuid, char *param,char *data,
pstring comment;
uint32 servertype= lp_default_server_announce();
- strcpy(comment,lp_serverstring());
+ pstrcpy(comment,lp_serverstring());
if ((count=get_server_info(SV_TYPE_ALL,&servers,myworkgroup))>0) {
for (i=0;i<count;i++)
if (strequal(servers[i].name,local_machine))
{
servertype = servers[i].type;
- strcpy(comment,servers[i].comment);
+ pstrcpy(comment,servers[i].comment);
}
}
if (servers) free(servers);
@@ -2026,7 +2026,7 @@ static BOOL api_RNetUserGetInfo(int cnum,uint16 vuid, char *param,char *data,
p2 = p + usri11_end;
memset(p,0,21);
- strcpy(p+usri11_name,UserName); /* 21 bytes - user name */
+ fstrcpy(p+usri11_name,UserName); /* 21 bytes - user name */
if (uLevel > 0)
{
@@ -2043,9 +2043,9 @@ static BOOL api_RNetUserGetInfo(int cnum,uint16 vuid, char *param,char *data,
strcpy(p2,"UserComment");
p2 = skip_string(p2,1);
- /* EEK! the cifsrap.txt doesn't have this in!!!! */
+ /* EEK! the cifsrap.txt doesn't have this in!!!! */
SIVAL(p,usri11_full_name,PTR_DIFF(p2,p)); /* full name */
- strcpy(p2,vuser->real_name); /* simeon */
+ strcpy(p2,vuser->real_name); /* simeon */
p2 = skip_string(p2,1);
}
@@ -2062,7 +2062,7 @@ static BOOL api_RNetUserGetInfo(int cnum,uint16 vuid, char *param,char *data,
else
{
#if (defined(NETGROUP) && defined(AUTOMOUNT))
- strcpy(p2, vuser->home_share);
+ strcpy(p2, vuser->home_share);
#else
strcpy(p2,"\\\\%L\\%U");
#endif
@@ -2469,7 +2469,8 @@ static void fill_printdest_info(int cnum, int snum, int uLevel,
struct pack_desc* desc)
{
char buf[100];
- strcpy(buf,SERVICE(snum));
+ strncpy(buf,SERVICE(snum),sizeof(buf)-1);
+ buf[sizeof(buf)-1] = 0;
strupper(buf);
if (uLevel <= 1) {
PACKS(desc,"B9",buf); /* szName */
@@ -3026,7 +3027,11 @@ int reply_trans(char *inbuf,char *outbuf)
int dsoff = SVAL(inbuf,smb_vwv12);
int suwcnt = CVAL(inbuf,smb_vwv13);
- StrnCpy(name,smb_buf(inbuf),sizeof(name)-1);
+ fstrcpy(name,smb_buf(inbuf));
+
+ if (dscnt > tdscnt || pscnt > tpscnt) {
+ exit_server("invalid trans parameters\n");
+ }
if (tdscnt)
{
@@ -3088,6 +3093,10 @@ int reply_trans(char *inbuf,char *outbuf)
pscnt += pcnt;
dscnt += dcnt;
+ if (dscnt > tdscnt || pscnt > tpscnt) {
+ exit_server("invalid trans parameters\n");
+ }
+
if (pcnt)
memcpy(params+pdisp,smb_base(inbuf)+poff,pcnt);
if (dcnt)
diff --git a/source3/smbd/mangle.c b/source3/smbd/mangle.c
index 3f753cf855..b0a45ffb47 100644
--- a/source3/smbd/mangle.c
+++ b/source3/smbd/mangle.c
@@ -273,7 +273,7 @@ BOOL check_mangled_stack(char *s)
}
if (check_extension && !strchr(mangled_stack[i],'.'))
{
- strcpy(tmpname,mangled_stack[i]);
+ pstrcpy(tmpname,mangled_stack[i]);
strcat(tmpname,extension);
mangle_name_83(tmpname);
if (strequal(tmpname,s))
@@ -307,7 +307,7 @@ static char *map_filename(char *s, /* This is null terminated */
pstring pat;
StrnCpy(pat, pattern, len); /* Get pattern into a proper string! */
- strcpy(matching_bit,""); /* Match but no star gets this. */
+ pstrcpy(matching_bit,""); /* Match but no star gets this. */
pp = pat; /* Initialise the pointers. */
sp = s;
if ((len == 1) && (*pattern == '*')) {
@@ -446,7 +446,7 @@ static void do_fwd_mangled_map(char *s, char *MangledMap)
continue; /* Always check for the end. */
}
if (*end == '*') {
- strcpy(np, match_string);
+ pstrcpy(np, match_string);
np += strlen(match_string);
end++; /* Skip the '*' */
while ((*end) /* Not the end of string. */
@@ -460,7 +460,7 @@ static void do_fwd_mangled_map(char *s, char *MangledMap)
}
*np++ = '\0'; /* NULL terminate it. */
DEBUG(5,("End of second in pair '%s'\n", end));
- strcpy(s, new_string); /* Substitute with the new name. */
+ pstrcpy(s, new_string); /* Substitute with the new name. */
DEBUG(5,("s is now '%s'\n", s));
}
start = end; /* Skip a bit which cannot be wanted */
diff --git a/source3/smbd/message.c b/source3/smbd/message.c
index 93a2d9d850..64253932ab 100644
--- a/source3/smbd/message.c
+++ b/source3/smbd/message.c
@@ -54,7 +54,7 @@ static void msg_deliver(void)
/* put it in a temporary file */
sprintf(s,"%s/msg.XXXXXX",tmpdir());
- strcpy(name,(char *)mktemp(s));
+ fstrcpy(name,(char *)mktemp(s));
fd = open(name,O_WRONLY|O_CREAT|O_TRUNC|O_EXCL,0600);
if (fd == -1) {
@@ -74,7 +74,7 @@ static void msg_deliver(void)
/* run the command */
if (*lp_msg_command())
{
- strcpy(s,lp_msg_command());
+ pstrcpy(s,lp_msg_command());
string_sub(s,"%s",name);
string_sub(s,"%f",msgfrom);
string_sub(s,"%t",msgto);
@@ -108,8 +108,8 @@ int reply_sends(char *inbuf,char *outbuf)
dest = skip_string(orig,1)+1;
msg = skip_string(dest,1)+1;
- strcpy(msgfrom,orig);
- strcpy(msgto,dest);
+ fstrcpy(msgfrom,orig);
+ fstrcpy(msgto,dest);
len = SVAL(msg,0);
len = MIN(len,1600-msgpos);
@@ -143,10 +143,10 @@ int reply_sendstrt(char *inbuf,char *outbuf)
orig = smb_buf(inbuf)+1;
dest = skip_string(orig,1)+1;
- strcpy(msgfrom,orig);
- strcpy(msgto,dest);
+ fstrcpy(msgfrom,orig);
+ fstrcpy(msgto,dest);
- DEBUG(3,("%s SMBsendstrt (from %s to %s)\n",timestring(),orig,dest));
+ DEBUG(3,("%s SMBsendstrt (from %s to %s)\n",timestring(),msgfrom,msgto));
return(outsize);
}
diff --git a/source3/smbd/pipes.c b/source3/smbd/pipes.c
index afab7e1d91..feb8d91a5b 100644
--- a/source3/smbd/pipes.c
+++ b/source3/smbd/pipes.c
@@ -87,7 +87,7 @@ int reply_open_pipe_and_X(char *inbuf,char *outbuf,int length,int bufsize)
BOOL bad_path = False;
/* XXXX we need to handle passed times, sattr and flags */
- strcpy(fname,smb_buf(inbuf));
+ pstrcpy(fname,smb_buf(inbuf));
/* If the name doesn't start \PIPE\ then this is directed */
/* at a mailslot or something we really, really don't understand, */
@@ -98,7 +98,7 @@ int reply_open_pipe_and_X(char *inbuf,char *outbuf,int length,int bufsize)
DEBUG(4,("Opening pipe %s.\n", fname));
/* Strip \PIPE\ off the name. */
- strcpy(fname,smb_buf(inbuf) + PIPELEN);
+ pstrcpy(fname,smb_buf(inbuf) + PIPELEN);
/* See if it is one we want to handle. */
for( i = 0; known_pipes[i] ; i++ )
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index 8117685637..c1422bbcf6 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -49,6 +49,18 @@ a packet to ensure chaining works correctly */
/****************************************************************************
+report a possible attack via the password buffer overflow bug
+****************************************************************************/
+static void overflow_attack(int len)
+{
+ DEBUG(0,("ERROR: Invalid password length %d\n", len));
+ DEBUG(0,("you're machine may be under attack by a user exploiting an old bug\n"));
+ DEBUG(0,("Attack was from IP=%s\n", client_addr()));
+ exit_server("possible attack");
+}
+
+
+/****************************************************************************
reply to an special message
****************************************************************************/
int reply_special(char *inbuf,char *outbuf)
@@ -66,36 +78,36 @@ int reply_special(char *inbuf,char *outbuf)
smb_setlen(outbuf,0);
switch (msg_type) {
- case 0x81: /* session request */
- CVAL(outbuf,0) = 0x82;
- CVAL(outbuf,3) = 0;
- if (name_len(inbuf+4) > 50) {
- DEBUG(0,("Invalid name length in session request\n"));
- return(0);
- }
- name_extract(inbuf,4,name1);
- name_extract(inbuf,4 + name_len(inbuf + 4),name2);
+ case 0x81: /* session request */
+ CVAL(outbuf,0) = 0x82;
+ CVAL(outbuf,3) = 0;
+ if (name_len(inbuf+4) > 50 || name_len(inbuf+4 + name_len(inbuf + 4)) > 50) {
+ DEBUG(0,("Invalid name length in session request\n"));
+ return(0);
+ }
+ name_extract(inbuf,4,name1);
+ name_extract(inbuf,4 + name_len(inbuf + 4),name2);
DEBUG(2,("netbios connect: name1=%s name2=%s\n",
name1,name2));
-
- strcpy(remote_machine,name2);
- trim_string(remote_machine," "," ");
- p = strchr(remote_machine,' ');
- strlower(remote_machine);
- if (p) *p = 0;
-
- strcpy(local_machine,name1);
- trim_string(local_machine," "," ");
- p = strchr(local_machine,' ');
- strlower(local_machine);
- if (p) *p = 0;
-
- add_session_user(remote_machine);
-
- reload_services(True);
- reopen_logs();
-
- break;
+
+ fstrcpy(remote_machine,name2);
+ trim_string(remote_machine," "," ");
+ p = strchr(remote_machine,' ');
+ strlower(remote_machine);
+ if (p) *p = 0;
+
+ fstrcpy(local_machine,name1);
+ trim_string(local_machine," "," ");
+ p = strchr(local_machine,' ');
+ strlower(local_machine);
+ if (p) *p = 0;
+
+ add_session_user(remote_machine);
+
+ reload_services(True);
+ reopen_logs();
+
+ break;
case 0x89: /* session keepalive request
(some old clients produce this?) */
@@ -160,25 +172,25 @@ static void parse_connect(char *p,char *service,char *user,
p2 = strrchr(p,'\\');
if (p2 == NULL)
- strcpy(service,p);
+ fstrcpy(service,p);
else
- strcpy(service,p2+1);
+ fstrcpy(service,p2+1);
p += strlen(p) + 2;
- strcpy(password,p);
+ fstrcpy(password,p);
*pwlen = strlen(password);
p += strlen(p) + 2;
- strcpy(dev,p);
+ fstrcpy(dev,p);
*user = 0;
p = strchr(service,'%');
if (p != NULL)
{
*p = 0;
- strcpy(user,p+1);
+ fstrcpy(user,p+1);
}
}
@@ -238,6 +250,10 @@ int reply_tcon_and_X(char *inbuf,char *outbuf,int length,int bufsize)
/* we might have to close an old one */
if ((SVAL(inbuf,smb_vwv2) & 0x1) != 0)
close_cnum(SVAL(inbuf,smb_tid),vuid);
+
+ if (passlen > MAX_PASSWORD_LENGTH) {
+ overflow_attack(passlen);
+ }
{
char *path;
@@ -252,18 +268,17 @@ int reply_tcon_and_X(char *inbuf,char *outbuf,int length,int bufsize)
passlen = strlen(password);
}
- DEBUG(4,("parsing net-path %s, passlen=%d\n",path,passlen));
- strcpy(service,path+2);
+ fstrcpy(service,path+2);
p = strchr(service,'\\');
if (!p)
return(ERROR(ERRSRV,ERRinvnetname));
*p = 0;
- strcpy(service,p+1);
+ fstrcpy(service,p+1);
p = strchr(service,'%');
if (p)
{
*p++ = 0;
- strcpy(user,p);
+ fstrcpy(user,p);
}
StrnCpy(devicename,path + strlen(path) + 1,6);
DEBUG(4,("Got device type %s\n",devicename));
@@ -372,11 +387,15 @@ int reply_sesssetup_and_X(char *inbuf,char *outbuf,int length,int bufsize)
if (Protocol < PROTOCOL_NT1) {
smb_apasslen = SVAL(inbuf,smb_vwv7);
+ if (smb_apasslen > MAX_PASSWORD_LENGTH)
+ overflow_attack(smb_apasslen);
+
memcpy(smb_apasswd,smb_buf(inbuf),smb_apasslen);
- StrnCpy(user,smb_buf(inbuf)+smb_apasslen,sizeof(user)-1);
+ pstrcpy(user,smb_buf(inbuf)+smb_apasslen);
- if (lp_security() != SEC_SERVER && !doencrypt)
- smb_apasslen = strlen(smb_apasswd);
+ if (lp_security() != SEC_SERVER && !doencrypt) {
+ smb_apasslen = strlen(smb_apasswd);
+ }
} else {
uint16 passlen1 = SVAL(inbuf,smb_vwv7);
uint16 passlen2 = SVAL(inbuf,smb_vwv8);
@@ -401,6 +420,13 @@ int reply_sesssetup_and_X(char *inbuf,char *outbuf,int length,int bufsize)
if (passlen1 != 24 && passlen2 != 24)
doencrypt = False;
+ if (passlen1 > MAX_PASSWORD_LENGTH) {
+ overflow_attack(passlen1);
+ }
+
+ passlen1 = MIN(passlen1, MAX_PASSWORD_LENGTH);
+ passlen2 = MIN(passlen2, MAX_PASSWORD_LENGTH);
+
if(doencrypt) {
/* Save the lanman2 password and the NT md4 password. */
smb_apasslen = passlen1;
@@ -438,7 +464,7 @@ int reply_sesssetup_and_X(char *inbuf,char *outbuf,int length,int bufsize)
}
p += passlen1 + passlen2;
- strcpy(user,p); p = skip_string(p,1);
+ fstrcpy(user,p); p = skip_string(p,1);
DEBUG(3,("Domain=[%s] NativeOS=[%s] NativeLanMan=[%s]\n",
p,skip_string(p,1),skip_string(p,2)));
}
@@ -591,7 +617,7 @@ int reply_chkpth(char *inbuf,char *outbuf)
cnum = SVAL(inbuf,smb_tid);
- strcpy(name,smb_buf(inbuf) + 1);
+ pstrcpy(name,smb_buf(inbuf) + 1);
unix_convert(name,cnum,0,&bad_path);
mode = SVAL(inbuf,smb_vwv0);
@@ -639,7 +665,7 @@ int reply_getatr(char *inbuf,char *outbuf)
cnum = SVAL(inbuf,smb_tid);
- strcpy(fname,smb_buf(inbuf) + 1);
+ pstrcpy(fname,smb_buf(inbuf) + 1);
unix_convert(fname,cnum,0,&bad_path);
/* dos smetimes asks for a stat of "" - it returns a "hidden directory"
@@ -714,7 +740,7 @@ int reply_setatr(char *inbuf,char *outbuf)
cnum = SVAL(inbuf,smb_tid);
- strcpy(fname,smb_buf(inbuf) + 1);
+ pstrcpy(fname,smb_buf(inbuf) + 1);
unix_convert(fname,cnum,0,&bad_path);
mode = SVAL(inbuf,smb_vwv0);
@@ -825,8 +851,8 @@ int reply_search(char *inbuf,char *outbuf)
{
pstring dir2;
- strcpy(directory,smb_buf(inbuf)+1);
- strcpy(dir2,smb_buf(inbuf)+1);
+ pstrcpy(directory,smb_buf(inbuf)+1);
+ pstrcpy(dir2,smb_buf(inbuf)+1);
unix_convert(directory,cnum,0,&bad_path);
unix_format(dir2);
@@ -842,7 +868,7 @@ int reply_search(char *inbuf,char *outbuf)
else
{
*p = 0;
- strcpy(mask,p+1);
+ pstrcpy(mask,p+1);
}
p = strrchr(directory,'/');
@@ -876,7 +902,7 @@ int reply_search(char *inbuf,char *outbuf)
if ((p = strrchr(mask,' ')))
{
fstring ext;
- strcpy(ext,p+1);
+ fstrcpy(ext,p+1);
*p = 0;
trim_string(mask,NULL," ");
strcat(mask,".");
@@ -898,7 +924,7 @@ int reply_search(char *inbuf,char *outbuf)
if (!strchr(mask,'.') && strlen(mask)>8)
{
fstring tmp;
- strcpy(tmp,&mask[8]);
+ fstrcpy(tmp,&mask[8]);
mask[8] = '.';
mask[9] = 0;
strcat(mask,tmp);
@@ -1078,7 +1104,7 @@ int reply_open(char *inbuf,char *outbuf)
share_mode = SVAL(inbuf,smb_vwv0);
- strcpy(fname,smb_buf(inbuf)+1);
+ pstrcpy(fname,smb_buf(inbuf)+1);
unix_convert(fname,cnum,0,&bad_path);
fnum = find_free_file();
@@ -1168,7 +1194,7 @@ int reply_open_and_X(char *inbuf,char *outbuf,int length,int bufsize)
/* XXXX we need to handle passed times, sattr and flags */
- strcpy(fname,smb_buf(inbuf));
+ pstrcpy(fname,smb_buf(inbuf));
unix_convert(fname,cnum,0,&bad_path);
fnum = find_free_file();
@@ -1281,7 +1307,7 @@ int reply_mknew(char *inbuf,char *outbuf)
cnum = SVAL(inbuf,smb_tid);
createmode = SVAL(inbuf,smb_vwv0);
- strcpy(fname,smb_buf(inbuf)+1);
+ pstrcpy(fname,smb_buf(inbuf)+1);
unix_convert(fname,cnum,0,&bad_path);
if (createmode & aVOLID)
@@ -1359,7 +1385,8 @@ int reply_ctemp(char *inbuf,char *outbuf)
cnum = SVAL(inbuf,smb_tid);
createmode = SVAL(inbuf,smb_vwv0);
- sprintf(fname,"%s/TMXXXXXX",smb_buf(inbuf)+1);
+ pstrcpy(fname,smb_buf(inbuf)+1);
+ strcat(fname,"/TMXXXXXX");
unix_convert(fname,cnum,0,&bad_path);
unixmode = unix_mode(cnum,createmode);
@@ -1455,7 +1482,7 @@ int reply_unlink(char *inbuf,char *outbuf)
cnum = SVAL(inbuf,smb_tid);
dirtype = SVAL(inbuf,smb_vwv0);
- strcpy(name,smb_buf(inbuf) + 1);
+ pstrcpy(name,smb_buf(inbuf) + 1);
DEBUG(3,("reply_unlink : %s\n",name));
@@ -1503,7 +1530,7 @@ int reply_unlink(char *inbuf,char *outbuf)
while ((dname = ReadDirName(dirptr)))
{
pstring fname;
- strcpy(fname,dname);
+ pstrcpy(fname,dname);
if(!mask_match(fname, mask, case_sensitive, False)) continue;
@@ -2381,7 +2408,7 @@ int reply_printopen(char *inbuf,char *outbuf)
{
pstring s;
char *p;
- StrnCpy(s,smb_buf(inbuf)+1,sizeof(pstring)-1);
+ pstrcpy(s,smb_buf(inbuf)+1);
p = s;
while (*p)
{
@@ -2583,7 +2610,7 @@ int reply_mkdir(char *inbuf,char *outbuf)
int outsize,ret= -1;
BOOL bad_path = False;
- strcpy(directory,smb_buf(inbuf) + 1);
+ pstrcpy(directory,smb_buf(inbuf) + 1);
cnum = SVAL(inbuf,smb_tid);
unix_convert(directory,cnum,0,&bad_path);
@@ -2680,7 +2707,7 @@ int reply_rmdir(char *inbuf,char *outbuf)
BOOL bad_path = False;
cnum = SVAL(inbuf,smb_tid);
- strcpy(directory,smb_buf(inbuf) + 1);
+ pstrcpy(directory,smb_buf(inbuf) + 1);
unix_convert(directory,cnum,0,&bad_path);
if (check_name(directory,cnum))
@@ -2728,7 +2755,7 @@ int reply_rmdir(char *inbuf,char *outbuf)
errno = ENOMEM;
break;
}
- strcpy(fullname, directory);
+ pstrcpy(fullname, directory);
strcat(fullname, "/");
strcat(fullname, dname);
@@ -2795,21 +2822,21 @@ static BOOL resolve_wildcards(char *name1,char *name2)
if (!name1 || !name2) return(False);
- strcpy(root1,name1);
- strcpy(root2,name2);
+ fstrcpy(root1,name1);
+ fstrcpy(root2,name2);
p = strrchr(root1,'.');
if (p) {
*p = 0;
- strcpy(ext1,p+1);
+ fstrcpy(ext1,p+1);
} else {
- strcpy(ext1,"");
+ fstrcpy(ext1,"");
}
p = strrchr(root2,'.');
if (p) {
*p = 0;
- strcpy(ext2,p+1);
+ fstrcpy(ext2,p+1);
} else {
- strcpy(ext2,"");
+ fstrcpy(ext2,"");
}
p = root1;
@@ -2883,8 +2910,8 @@ int reply_mv(char *inbuf,char *outbuf)
cnum = SVAL(inbuf,smb_tid);
- strcpy(name,smb_buf(inbuf) + 1);
- strcpy(newname,smb_buf(inbuf) + 3 + strlen(name));
+ pstrcpy(name,smb_buf(inbuf) + 1);
+ pstrcpy(newname,smb_buf(inbuf) + 3 + strlen(name));
DEBUG(3,("reply_mv : %s -> %s\n",name,newname));
@@ -2998,14 +3025,14 @@ int reply_mv(char *inbuf,char *outbuf)
while ((dname = ReadDirName(dirptr)))
{
pstring fname;
- strcpy(fname,dname);
+ pstrcpy(fname,dname);
if(!mask_match(fname, mask, case_sensitive, False)) continue;
error = ERRnoaccess;
sprintf(fname,"%s/%s",directory,dname);
if (!can_rename(fname,cnum)) continue;
- strcpy(destname,newname);
+ pstrcpy(destname,newname);
if (!resolve_wildcards(fname,destname)) continue;
@@ -3051,7 +3078,7 @@ static BOOL copy_file(char *src,char *dest1,int cnum,int ofun,
int fnum1,fnum2;
pstring dest;
- strcpy(dest,dest1);
+ pstrcpy(dest,dest1);
if (target_is_directory) {
char *p = strrchr(src,'/');
if (p)
@@ -3128,8 +3155,8 @@ int reply_copy(char *inbuf,char *outbuf)
cnum = SVAL(inbuf,smb_tid);
- strcpy(name,smb_buf(inbuf));
- strcpy(newname,smb_buf(inbuf) + 1 + strlen(name));
+ pstrcpy(name,smb_buf(inbuf));
+ pstrcpy(newname,smb_buf(inbuf) + 1 + strlen(name));
DEBUG(3,("reply_copy : %s -> %s\n",name,newname));
@@ -3198,7 +3225,7 @@ int reply_copy(char *inbuf,char *outbuf)
while ((dname = ReadDirName(dirptr)))
{
pstring fname;
- strcpy(fname,dname);
+ pstrcpy(fname,dname);
if(!mask_match(fname, mask, case_sensitive, False)) continue;
@@ -3252,7 +3279,7 @@ int reply_setdir(char *inbuf,char *outbuf)
if (!CAN_SETDIR(snum))
return(ERROR(ERRDOS,ERRnoaccess));
- strcpy(newdir,smb_buf(inbuf) + 1);
+ pstrcpy(newdir,smb_buf(inbuf) + 1);
strlower(newdir);
if (strlen(newdir) == 0)
diff --git a/source3/smbd/server.c b/source3/smbd/server.c
index 3b24ba5ce9..22c8448dde 100644
--- a/source3/smbd/server.c
+++ b/source3/smbd/server.c
@@ -399,7 +399,7 @@ static BOOL scan_directory(char *path, char *name,int cnum,BOOL docache)
(strequal(dname,".") || strequal(dname,"..")))
continue;
- strcpy(name2,dname);
+ pstrcpy(name2,dname);
if (!name_map_mangle(name2,False,SNUM(cnum))) continue;
if ((mangled && mangled_equal(name,name2))
@@ -545,7 +545,7 @@ BOOL unix_convert(char *name,int cnum,pstring saved_last_component, BOOL *bad_pa
/* remember the rest of the pathname so it can be restored
later */
- if (end) strcpy(rest,end+1);
+ if (end) pstrcpy(rest,end+1);
/* try to find this part of the path in the directory */
if (strchr(start,'?') || strchr(start,'*') ||
@@ -1057,7 +1057,7 @@ static void open_file(int fnum,int cnum,char *fname1,int flags,int mode, struct
Files[fnum].fd_ptr = 0;
errno = EPERM;
- strcpy(fname,fname1);
+ pstrcpy(fname,fname1);
/* check permissions */
if ((flags != O_RDONLY) && !CAN_WRITE(cnum) && !Connections[cnum].printer)
@@ -1186,7 +1186,7 @@ static void open_file(int fnum,int cnum,char *fname1,int flags,int mode, struct
pstring dname;
int dum1,dum2,dum3;
char *p;
- strcpy(dname,fname);
+ pstrcpy(dname,fname);
p = strrchr(dname,'/');
if (p) *p = 0;
if (sys_disk_free(dname,&dum1,&dum2,&dum3) <
@@ -1321,10 +1321,10 @@ static void check_magic(int fnum,int cnum)
int ret;
pstring magic_output;
pstring fname;
- strcpy(fname,Files[fnum].name);
+ pstrcpy(fname,Files[fnum].name);
if (*lp_magicoutput(SNUM(cnum)))
- strcpy(magic_output,lp_magicoutput(SNUM(cnum)));
+ pstrcpy(magic_output,lp_magicoutput(SNUM(cnum)));
else
sprintf(magic_output,"%s.out",fname);
@@ -2355,10 +2355,10 @@ BOOL reload_services(BOOL test)
if (lp_loaded())
{
pstring fname;
- strcpy(fname,lp_configfile());
+ pstrcpy(fname,lp_configfile());
if (file_exist(fname,NULL) && !strcsequal(fname,servicesf))
{
- strcpy(servicesf,fname);
+ pstrcpy(servicesf,fname);
test = False;
}
}
@@ -2651,13 +2651,13 @@ int make_connection(char *service,char *user,char *password, int pwlen, char *de
{
struct passwd *pass2;
fstring fuser;
- strcpy(fuser,lp_force_user(snum));
+ fstrcpy(fuser,lp_force_user(snum));
pass2 = (struct passwd *)Get_Pwnam(fuser,True);
if (pass2)
{
pcon->uid = pass2->pw_uid;
string_set(&pcon->user,fuser);
- strcpy(user,fuser);
+ fstrcpy(user,fuser);
pcon->force_user = True;
DEBUG(3,("Forced user %s\n",fuser));
}
@@ -2667,7 +2667,7 @@ int make_connection(char *service,char *user,char *password, int pwlen, char *de
{
pstring s;
- strcpy(s,lp_pathname(snum));
+ pstrcpy(s,lp_pathname(snum));
standard_sub(cnum,s);
string_set(&pcon->connectpath,s);
DEBUG(3,("Connect path is %s\n",s));
@@ -2703,7 +2703,7 @@ int make_connection(char *service,char *user,char *password, int pwlen, char *de
if (*lp_rootpreexec(SNUM(cnum)))
{
pstring cmd;
- strcpy(cmd,lp_rootpreexec(SNUM(cnum)));
+ pstrcpy(cmd,lp_rootpreexec(SNUM(cnum)));
standard_sub(cnum,cmd);
DEBUG(5,("cmd=%s\n",cmd));
smbrun(cmd,NULL,False);
@@ -2743,7 +2743,7 @@ int make_connection(char *service,char *user,char *password, int pwlen, char *de
/* resolve any soft links early */
{
pstring s;
- strcpy(s,pcon->connectpath);
+ pstrcpy(s,pcon->connectpath);
GetWd(s);
string_set(&pcon->connectpath,s);
ChDir(pcon->connectpath);
@@ -2757,7 +2757,7 @@ int make_connection(char *service,char *user,char *password, int pwlen, char *de
if (*lp_preexec(SNUM(cnum)))
{
pstring cmd;
- strcpy(cmd,lp_preexec(SNUM(cnum)));
+ pstrcpy(cmd,lp_preexec(SNUM(cnum)));
standard_sub(cnum,cmd);
smbrun(cmd,NULL,False);
}
@@ -3216,7 +3216,7 @@ static int reply_negprot(char *inbuf,char *outbuf)
SSVAL(outbuf,smb_vwv0,choice);
if(choice != -1) {
extern fstring remote_proto;
- strcpy(remote_proto,supported_protocols[protocol].short_name);
+ fstrcpy(remote_proto,supported_protocols[protocol].short_name);
reload_services(True);
outsize = supported_protocols[protocol].proto_reply_fn(outbuf);
DEBUG(3,("Selected protocol %s\n",supported_protocols[protocol].proto_name));
@@ -3335,7 +3335,7 @@ BOOL yield_connection(int cnum,char *name,int max_connections)
bzero(&crec,sizeof(crec));
- strcpy(fname,lp_lockdir());
+ pstrcpy(fname,lp_lockdir());
standard_sub(cnum,fname);
trim_string(fname,"","/");
@@ -3407,7 +3407,7 @@ BOOL claim_connection(int cnum,char *name,int max_connections,BOOL Clear)
DEBUG(5,("trying claim %s %s %d\n",lp_lockdir(),name,max_connections));
- strcpy(fname,lp_lockdir());
+ pstrcpy(fname,lp_lockdir());
standard_sub(cnum,fname);
trim_string(fname,"","/");
@@ -3503,7 +3503,7 @@ static BOOL dump_core(void)
{
char *p;
pstring dname;
- strcpy(dname,debugf);
+ pstrcpy(dname,debugf);
if ((p=strrchr(dname,'/'))) *p=0;
strcat(dname,"/corefiles");
mkdir(dname,0700);
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c
index c8e726d36e..59e9ef21b0 100644
--- a/source3/smbd/trans2.c
+++ b/source3/smbd/trans2.c
@@ -306,10 +306,10 @@ static int get_lanman2_dir_entry(int cnum,char *path_mask,int dirtype,int info_l
if(p[1] == '\0')
strcpy(mask,"*.*");
else
- strcpy(mask, p+1);
+ pstrcpy(mask, p+1);
}
else
- strcpy(mask, path_mask);
+ pstrcpy(mask, path_mask);
while (!found)
{
@@ -327,7 +327,7 @@ static int get_lanman2_dir_entry(int cnum,char *path_mask,int dirtype,int info_l
matched = False;
- strcpy(fname,dname);
+ pstrcpy(fname,dname);
if(mask_match(fname, mask, case_sensitive, True))
{
@@ -338,7 +338,7 @@ static int get_lanman2_dir_entry(int cnum,char *path_mask,int dirtype,int info_l
if (isrootdir && isdots)
continue;
- strcpy(pathreal,Connections[cnum].dirpath);
+ pstrcpy(pathreal,Connections[cnum].dirpath);
if(needslash)
strcat(pathreal,"/");
strcat(pathreal,dname);
@@ -595,7 +595,7 @@ static int call_trans2findfirst(char *inbuf, char *outbuf, int bufsize, int cnum
return(ERROR(ERRDOS,ERRunknownlevel));
}
- strcpy(directory, params + 12); /* Complete directory path with
+ pstrcpy(directory, params + 12); /* Complete directory path with
wildcard mask appended */
DEBUG(5,("path=%s\n",directory));
@@ -1057,7 +1057,7 @@ static int call_trans2qfilepathinfo(char *inbuf, char *outbuf, int length,
/* qpathinfo */
info_level = SVAL(params,0);
fname = &fname1[0];
- strcpy(fname,&params[6]);
+ pstrcpy(fname,&params[6]);
unix_convert(fname,cnum,0,&bad_path);
if (!check_name(fname,cnum) || sys_stat(fname,&sbuf)) {
DEBUG(3,("fileinfo of %s failed (%s)\n",fname,strerror(errno)));
@@ -1163,7 +1163,7 @@ static int call_trans2qfilepathinfo(char *inbuf, char *outbuf, int length,
case SMB_QUERY_FILE_ALT_NAME_INFO:
data_size = 4 + l;
SIVAL(pdata,0,l);
- strcpy(pdata+4,fname);
+ pstrcpy(pdata+4,fname);
break;
case SMB_QUERY_FILE_ALLOCATION_INFO:
case SMB_QUERY_FILE_END_OF_FILEINFO:
@@ -1197,7 +1197,7 @@ static int call_trans2qfilepathinfo(char *inbuf, char *outbuf, int length,
pdata += 4;
pdata += 4; /* alignment */
SIVAL(pdata,0,l);
- strcpy(pdata+4,fname);
+ pstrcpy(pdata+4,fname);
pdata += 4 + l;
data_size = PTR_DIFF(pdata,(*ppdata));
break;
@@ -1208,7 +1208,7 @@ static int call_trans2qfilepathinfo(char *inbuf, char *outbuf, int length,
SIVAL(pdata,4,size);
SIVAL(pdata,12,size);
SIVAL(pdata,20,l);
- strcpy(pdata+24,fname);
+ pstrcpy(pdata+24,fname);
break;
default:
return(ERROR(ERRDOS,ERRunknownlevel));
@@ -1260,7 +1260,7 @@ static int call_trans2setfilepathinfo(char *inbuf, char *outbuf, int length,
/* set path info */
info_level = SVAL(params,0);
fname = fname1;
- strcpy(fname,&params[6]);
+ pstrcpy(fname,&params[6]);
unix_convert(fname,cnum,0,&bad_path);
if(!check_name(fname, cnum))
{
@@ -1443,7 +1443,7 @@ static int call_trans2mkdir(char *inbuf, char *outbuf, int length, int bufsize,
if (!CAN_WRITE(cnum))
return(ERROR(ERRSRV,ERRaccess));
- strcpy(directory, &params[4]);
+ pstrcpy(directory, &params[4]);
DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
@@ -1645,6 +1645,9 @@ int reply_trans2(char *inbuf,char *outbuf,int length,int bufsize)
num_params = num_params_sofar = SVAL(inbuf,smb_pscnt);
num_data = num_data_sofar = SVAL(inbuf, smb_dscnt);
+ if (num_params > total_params || num_data > total_data)
+ exit_server("invalid params in reply_trans2");
+
memcpy( params, smb_base(inbuf) + SVAL(inbuf, smb_psoff), num_params);
memcpy( data, smb_base(inbuf) + SVAL(inbuf, smb_dsoff), num_data);
@@ -1672,6 +1675,9 @@ int reply_trans2(char *inbuf,char *outbuf,int length,int bufsize)
total_data = SVAL(inbuf, smb_tdscnt);
num_params_sofar += (num_params = SVAL(inbuf,smb_spscnt));
num_data_sofar += ( num_data = SVAL(inbuf, smb_sdscnt));
+ if (num_params_sofar > total_params || num_data_sofar > total_data)
+ exit_server("data overflow in trans2");
+
memcpy( &params[ SVAL(inbuf, smb_spsdisp)],
smb_base(inbuf) + SVAL(inbuf, smb_spsoff), num_params);
memcpy( &data[SVAL(inbuf, smb_sdsdisp)],
diff --git a/source3/smbd/vt_mode.c b/source3/smbd/vt_mode.c
index 0a4d50c217..07558274a5 100644
--- a/source3/smbd/vt_mode.c
+++ b/source3/smbd/vt_mode.c
@@ -81,7 +81,7 @@ int VT_Start_utmp(void)
setutent();
- strcpy(u.ut_line, VT_Line);
+ fstrcpy(u.ut_line, VT_Line);
if((v = getutline(&u)) == NULL) {
if(strncmp(VT_Line, "tty", 3) == 0)
@@ -91,12 +91,12 @@ int VT_Start_utmp(void)
else
tt = VT_Line;
- strcpy(u.ut_id, tt);
+ fstrcpy(u.ut_id, tt);
u.ut_time = time((time_t*)0);
}
- strcpy(u.ut_user, "LOGIN");
- strcpy(u.ut_line, VT_Line);
+ fstrcpy(u.ut_user, "LOGIN");
+ fstrcpy(u.ut_line, VT_Line);
u.ut_pid = getpid();
u.ut_type = LOGIN_PROCESS;
pututline(&u);
@@ -118,10 +118,10 @@ int VT_Stop_utmp(void)
if(VT_Line != NULL) {
setutent();
- strcpy(u.ut_line, VT_Line);
+ fstrcpy(u.ut_line, VT_Line);
if((v = getutline(&u)) != NULL) {
- strcpy(v->ut_user, "");
+ fstrcpy(v->ut_user, "");
v->ut_type = DEAD_PROCESS;
v->ut_time = time((time_t*)0);
pututline(v);
generated by cgit (git 2.34.1) at 2024-12-18 15:02:39 +0000