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Commitaa6b7b7

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Fix saving and restoring umask
In two cases, we set a different umask for some piece of code andrestore it afterwards. But if the contained code errors out, the umaskis not restored. So add TRY/CATCH blocks to fix that.
1 parent58ffe14 commitaa6b7b7

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2 files changed

+21
-3
lines changed

2 files changed

+21
-3
lines changed

‎src/backend/commands/copy.c

Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1826,7 +1826,16 @@ BeginCopyTo(ParseState *pstate,
18261826
errmsg("relative path not allowed for COPY to file")));
18271827

18281828
oumask=umask(S_IWGRP |S_IWOTH);
1829-
cstate->copy_file=AllocateFile(cstate->filename,PG_BINARY_W);
1829+
PG_TRY();
1830+
{
1831+
cstate->copy_file=AllocateFile(cstate->filename,PG_BINARY_W);
1832+
}
1833+
PG_CATCH();
1834+
{
1835+
umask(oumask);
1836+
PG_RE_THROW();
1837+
}
1838+
PG_END_TRY();
18301839
umask(oumask);
18311840
if (cstate->copy_file==NULL)
18321841
{

‎src/backend/libpq/be-fsstubs.c

Lines changed: 11 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -538,8 +538,17 @@ be_lo_export(PG_FUNCTION_ARGS)
538538
*/
539539
text_to_cstring_buffer(filename,fnamebuf,sizeof(fnamebuf));
540540
oumask=umask(S_IWGRP |S_IWOTH);
541-
fd=OpenTransientFile(fnamebuf,O_CREAT |O_WRONLY |O_TRUNC |PG_BINARY,
542-
S_IRUSR |S_IWUSR |S_IRGRP |S_IROTH);
541+
PG_TRY();
542+
{
543+
fd=OpenTransientFile(fnamebuf,O_CREAT |O_WRONLY |O_TRUNC |PG_BINARY,
544+
S_IRUSR |S_IWUSR |S_IRGRP |S_IROTH);
545+
}
546+
PG_CATCH();
547+
{
548+
umask(oumask);
549+
PG_RE_THROW();
550+
}
551+
PG_END_TRY();
543552
umask(oumask);
544553
if (fd<0)
545554
ereport(ERROR,

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