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

Commit0104fc1

Browse files
committed
Add missing logic to handle fixing permissions on an already-existing
data directory. Also fix handling of error conditions associated withdata directory checking step (can't use a boolean to distinguish fourpossible result states...)
1 parentc38ff52 commit0104fc1

File tree

1 file changed

+61
-34
lines changed

1 file changed

+61
-34
lines changed

‎src/bin/initdb/initdb.c

Lines changed: 61 additions & 34 deletions
Original file line numberDiff line numberDiff line change
@@ -42,7 +42,7 @@
4242
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
4343
* Portions Copyright (c) 1994, Regents of the University of California
4444
*
45-
* $Header: /cvsroot/pgsql/src/bin/initdb/initdb.c,v 1.7 2003/11/13 23:46:31 tgl Exp $
45+
* $Header: /cvsroot/pgsql/src/bin/initdb/initdb.c,v 1.8 2003/11/14 17:19:35 tgl Exp $
4646
*
4747
*-------------------------------------------------------------------------
4848
*/
@@ -163,7 +163,7 @@ static char *get_id(void);
163163
staticchar*get_encoding_id(char*);
164164
staticchar*get_short_version(void);
165165
staticintmkdir_p(char*,mode_t);
166-
staticboolcheck_data_dir(void);
166+
staticintcheck_data_dir(void);
167167
staticboolmkdatadir(char*);
168168
staticboolchklocale(constchar*);
169169
staticvoidsetlocales(void);
@@ -274,8 +274,8 @@ rmtree(char *path, bool rmtopdir)
274274
charbuf[MAXPGPATH+64];
275275

276276
#ifndefWIN32
277-
/* doesn't handle .* files */
278-
snprintf(buf,sizeof(buf),"rm -rf'%s%s'",path,
277+
/* doesn't handle .* files, but we don't make any... */
278+
snprintf(buf,sizeof(buf),"rm -rf\"%s\"%s",path,
279279
rmtopdir ?"" :"/*");
280280
#else
281281
snprintf(buf,sizeof(buf),"%s /s /q \"%s\"",
@@ -707,18 +707,23 @@ get_short_version(void)
707707

708708
/*
709709
* make sure the data directory either doesn't exist or is empty
710+
*
711+
* Returns 0 if nonexistent, 1 if exists and empty, 2 if not empty,
712+
* or -1 if trouble accessing directory
710713
*/
711-
staticbool
714+
staticint
712715
check_data_dir(void)
713716
{
714717
DIR*chkdir;
715718
structdirent*file;
716-
boolempty= true;
719+
intresult=1;
720+
721+
errno=0;
717722

718723
chkdir=opendir(pg_data);
719724

720725
if (!chkdir)
721-
return (errno==ENOENT);
726+
return (errno==ENOENT) ?0 :-1;
722727

723728
while ((file=readdir(chkdir))!=NULL)
724729
{
@@ -729,14 +734,17 @@ check_data_dir(void)
729734
}
730735
else
731736
{
732-
empty=false;
737+
result=2;/* not empty */
733738
break;
734739
}
735740
}
736741

737742
closedir(chkdir);
738743

739-
returnempty;
744+
if (errno!=0)
745+
result=-1;/* some kind of I/O error? */
746+
747+
returnresult;
740748
}
741749

742750
/*
@@ -2315,35 +2323,54 @@ main(int argc, char *argv[])
23152323
pqsignal(SIGTERM,trapsig);
23162324
#endif
23172325

2318-
/* clear this we'll use it in a few lines */
2319-
errno=0;
2320-
2321-
if (!check_data_dir())
2326+
switch (check_data_dir())
23222327
{
2323-
fprintf(stderr,
2324-
"%s: directory \"%s\" exists but is not empty\n"
2325-
"If you want to create a new database system, either remove or empty\n"
2326-
"the directory \"%s\" or run %s\n"
2327-
"with an argument other than \"%s\".\n",
2328-
progname,pg_data,pg_data,progname,pg_data);
2329-
exit(1);
2330-
}
2328+
case0:
2329+
/* PGDATA not there, must create it */
2330+
printf("creating directory %s ... ",
2331+
pg_data);
2332+
fflush(stdout);
2333+
2334+
if (!mkdatadir(NULL))
2335+
exit_nicely();
2336+
else
2337+
check_ok();
23312338

2332-
/*
2333-
* check_data_dir() called opendir - the errno should still be hanging
2334-
* around
2335-
*/
2336-
if (errno==ENOENT)
2337-
{
2338-
printf("creating directory %s ... ",pg_data);
2339-
fflush(stdout);
2339+
made_new_pgdata= true;
2340+
break;
23402341

2341-
if (!mkdatadir(NULL))
2342-
exit_nicely();
2343-
else
2344-
check_ok();
2342+
case1:
2343+
/* Present but empty, fix permissions and use it */
2344+
printf("fixing permissions on existing directory %s ... ",
2345+
pg_data);
2346+
fflush(stdout);
23452347

2346-
made_new_pgdata= true;
2348+
if (chmod(pg_data,0700)!=0)
2349+
{
2350+
perror(pg_data);
2351+
/* don't exit_nicely(), it'll try to remove pg_data contents */
2352+
exit(1);
2353+
}
2354+
else
2355+
check_ok();
2356+
break;
2357+
2358+
case2:
2359+
/* Present and not empty */
2360+
fprintf(stderr,
2361+
"%s: directory \"%s\" exists but is not empty\n"
2362+
"If you want to create a new database system, either remove or empty\n"
2363+
"the directory \"%s\" or run %s\n"
2364+
"with an argument other than \"%s\".\n",
2365+
progname,pg_data,pg_data,progname,pg_data);
2366+
/* don't exit_nicely(), it'll try to remove pg_data contents */
2367+
exit(1);
2368+
2369+
default:
2370+
/* Trouble accessing directory */
2371+
perror(pg_data);
2372+
/* don't exit_nicely(), it'll try to remove pg_data contents */
2373+
exit(1);
23472374
}
23482375

23492376
/* Create required subdirectories */

0 commit comments

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