Movatterモバイル変換

[0]ホーム
URL:

Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

 Sign up
Appearance settings

Commit1fbdb6b

Browse files
author
Michael Meskes
committed
Fixed segfault in connect when specifying no database name.
1 parentc3d583d commit1fbdb6b

File tree

2 files changed

+92
-83
lines changed

2 files changed

+92
-83
lines changed

‎src/interfaces/ecpg/ecpglib/connect.c‎

Lines changed: 86 additions & 81 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/connect.c,v 1.23 2004/08/29 05:06:59 momjian Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/connect.c,v 1.24 2004/12/30 09:36:37 meskes Exp $ */
22

33
#definePOSTGRES_ECPG_INTERNAL
44
#include"postgres_fe.h"
@@ -242,7 +242,7 @@ ECPGconnect(int lineno, int c, const char *name, const char *user, const char *p
242242
structsqlca_t*sqlca=ECPGget_sqlca();
243243
enumCOMPAT_MODEcompat=c;
244244
structconnection*this;
245-
char*dbname=strdup(name),
245+
char*dbname=name ?strdup(name) :NULL,
246246
*host=NULL,
247247
*tmp,
248248
*port=NULL,
@@ -275,75 +275,100 @@ ECPGconnect(int lineno, int c, const char *name, const char *user, const char *p
275275
if (dbname==NULL&&connection_name==NULL)
276276
connection_name="DEFAULT";
277277

278-
/* get the detail information out of dbname */
279-
if (strchr(dbname,'@')!=NULL)
280-
{
281-
/* old style: dbname[@server][:port] */
282-
tmp=strrchr(dbname,':');
283-
if (tmp!=NULL)/* port number given */
284-
{
285-
port=strdup(tmp+1);
286-
*tmp='\0';
287-
}
288-
289-
tmp=strrchr(dbname,'@');
290-
if (tmp!=NULL)/* host name given */
291-
{
292-
host=strdup(tmp+1);
293-
*tmp='\0';
294-
}
295-
realname=strdup(dbname);
296-
}
297-
elseif (strncmp(dbname,"tcp:",4)==0||strncmp(dbname,"unix:",5)==0)
298-
{
299-
intoffset=0;
300-
301-
/*
302-
* only allow protocols tcp and unix
303-
*/
304-
if (strncmp(dbname,"tcp:",4)==0)
305-
offset=4;
306-
elseif (strncmp(dbname,"unix:",5)==0)
307-
offset=5;
308-
309-
if (strncmp(dbname+offset,"postgresql://",strlen("postgresql://"))==0)
278+
if (dbname!=NULL)
279+
{
280+
/* get the detail information out of dbname */
281+
if (strchr(dbname,'@')!=NULL)
310282
{
311-
312-
/*------
313-
* new style:
314-
*<tcp|unix>:postgresql://server[:port|:/unixsocket/path:]
315-
*[/db name][?options]
316-
*------
317-
*/
318-
offset+=strlen("postgresql://");
319-
320-
tmp=strrchr(dbname+offset,'?');
321-
if (tmp!=NULL)/* options given */
283+
/* old style: dbname[@server][:port] */
284+
tmp=strrchr(dbname,':');
285+
if (tmp!=NULL)/* port number given */
322286
{
323-
options=strdup(tmp+1);
287+
port=strdup(tmp+1);
324288
*tmp='\0';
325289
}
326290

327-
tmp=last_dir_separator(dbname+offset);
328-
if (tmp!=NULL)/*database name given */
291+
tmp=strrchr(dbname,'@');
292+
if (tmp!=NULL)/*host name given */
329293
{
330-
realname=strdup(tmp+1);
294+
host=strdup(tmp+1);
331295
*tmp='\0';
332296
}
297+
realname=strdup(dbname);
298+
}
299+
elseif (strncmp(dbname,"tcp:",4)==0||strncmp(dbname,"unix:",5)==0)
300+
{
301+
intoffset=0;
302+
303+
/*
304+
* only allow protocols tcp and unix
305+
*/
306+
if (strncmp(dbname,"tcp:",4)==0)
307+
offset=4;
308+
elseif (strncmp(dbname,"unix:",5)==0)
309+
offset=5;
333310

334-
tmp=strrchr(dbname+offset,':');
335-
if (tmp!=NULL)/* port number or Unix socket path given */
311+
if (strncmp(dbname+offset,"postgresql://",strlen("postgresql://"))==0)
336312
{
337-
char*tmp2;
338313

339-
*tmp='\0';
340-
if ((tmp2=strchr(tmp+1,':'))!=NULL)
314+
/*------
315+
* new style:
316+
*<tcp|unix>:postgresql://server[:port|:/unixsocket/path:]
317+
*[/db name][?options]
318+
*------
319+
*/
320+
offset+=strlen("postgresql://");
321+
322+
tmp=strrchr(dbname+offset,'?');
323+
if (tmp!=NULL)/* options given */
324+
{
325+
options=strdup(tmp+1);
326+
*tmp='\0';
327+
}
328+
329+
tmp=last_dir_separator(dbname+offset);
330+
if (tmp!=NULL)/* database name given */
341331
{
342-
*tmp2='\0';
343-
host=strdup(tmp+1);
344-
if (strncmp(dbname,"unix:",5)!=0)
332+
realname=strdup(tmp+1);
333+
*tmp='\0';
334+
}
335+
336+
tmp=strrchr(dbname+offset,':');
337+
if (tmp!=NULL)/* port number or Unix socket path given */
338+
{
339+
char*tmp2;
340+
341+
*tmp='\0';
342+
if ((tmp2=strchr(tmp+1,':'))!=NULL)
345343
{
346-
ECPGlog("connect: socketname %s given for TCP connection in line %d\n",host,lineno);
344+
*tmp2='\0';
345+
host=strdup(tmp+1);
346+
if (strncmp(dbname,"unix:",5)!=0)
347+
{
348+
ECPGlog("connect: socketname %s given for TCP connection in line %d\n",host,lineno);
349+
ECPGraise(lineno,ECPG_CONNECT,ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION,realname ?realname :"<DEFAULT>");
350+
if (host)
351+
ECPGfree(host);
352+
if (port)
353+
ECPGfree(port);
354+
if (options)
355+
ECPGfree(options);
356+
if (realname)
357+
ECPGfree(realname);
358+
if (dbname)
359+
ECPGfree(dbname);
360+
return false;
361+
}
362+
}
363+
else
364+
port=strdup(tmp+1);
365+
}
366+
367+
if (strncmp(dbname,"unix:",5)==0)
368+
{
369+
if (strcmp(dbname+offset,"localhost")!=0&&strcmp(dbname+offset,"127.0.0.1")!=0)
370+
{
371+
ECPGlog("connect: non-localhost access via sockets in line %d\n",lineno);
347372
ECPGraise(lineno,ECPG_CONNECT,ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION,realname ?realname :"<DEFAULT>");
348373
if (host)
349374
ECPGfree(host);
@@ -359,37 +384,17 @@ ECPGconnect(int lineno, int c, const char *name, const char *user, const char *p
359384
}
360385
}
361386
else
362-
port=strdup(tmp+1);
363-
}
387+
host=strdup(dbname+offset);
364388

365-
if (strncmp(dbname,"unix:",5)==0)
366-
{
367-
if (strcmp(dbname+offset,"localhost")!=0&&strcmp(dbname+offset,"127.0.0.1")!=0)
368-
{
369-
ECPGlog("connect: non-localhost access via sockets in line %d\n",lineno);
370-
ECPGraise(lineno,ECPG_CONNECT,ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION,realname ?realname :"<DEFAULT>");
371-
if (host)
372-
ECPGfree(host);
373-
if (port)
374-
ECPGfree(port);
375-
if (options)
376-
ECPGfree(options);
377-
if (realname)
378-
ECPGfree(realname);
379-
if (dbname)
380-
ECPGfree(dbname);
381-
return false;
382-
}
383389
}
384390
else
385-
host=strdup(dbname+offset);
386-
391+
realname=strdup(dbname);
387392
}
388393
else
389394
realname=strdup(dbname);
390395
}
391396
else
392-
realname=strdup(dbname);
397+
realname=NULL;
393398

394399
/* add connection to our list */
395400
#ifdefENABLE_THREAD_SAFETY

‎src/interfaces/ecpg/ecpglib/memory.c‎

Lines changed: 6 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/memory.c,v 1.5 2003/11/29 19:52:08 pgsql Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/memory.c,v 1.6 2004/12/30 09:36:37 meskes Exp $ */
22

33
#definePOSTGRES_ECPG_INTERNAL
44
#include"postgres_fe.h"
@@ -46,8 +46,12 @@ ECPGrealloc(void *ptr, long size, int lineno)
4646
char*
4747
ECPGstrdup(constchar*string,intlineno)
4848
{
49-
char*new=strdup(string);
49+
char*new;
5050

51+
if (string==NULL)
52+
returnNULL;
53+
54+
new=strdup(string);
5155
if (!new)
5256
{
5357
ECPGraise(lineno,ECPG_OUT_OF_MEMORY,ECPG_SQLSTATE_ECPG_OUT_OF_MEMORY,NULL);

0 commit comments

Comments
 (0)
[8]ページ先頭
©2009-2025 Movatter.jp