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Fixed a temporary file name collision between gpg and gpgsm under Windows.

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This commit is contained in:
Werner Koch 2008-11-20 16:26:40 +00:00
parent 31af1b3f03
commit b7ff1109f9
5 changed files with 19 additions and 8 deletions
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15
kbx/keybox-update.c
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@ -75,7 +75,9 @@ create_tmp_file (const char *template,
/* Here is another Windoze bug?:
* you cant rename("pubring.kbx.tmp", "pubring.kbx");
* but rename("pubring.kbx.tmp", "pubring.aaa");
* works. So we replace .kbx by .bak or .tmp
* works. So we replace ".kbx" by ".kb_" or ".k__". Note that we
* can't use ".bak" and ".tmp", because these suffixes are used by
* gpg and would lead to a sharing violation or data corruption.
*/
if (strlen (template) > 4
&& !strcmp (template+strlen(template)-4, EXTSEP_S "kbx") )
@ -84,7 +86,7 @@ create_tmp_file (const char *template,
if (!bakfname)
return gpg_error_from_syserror ();
strcpy (bakfname, template);
strcpy (bakfname+strlen(template)-4, EXTSEP_S "bak");
strcpy (bakfname+strlen(template)-4, EXTSEP_S "kb_");
tmpfname = xtrymalloc (strlen (template) + 1);
if (!tmpfname)
@ -94,14 +96,15 @@ create_tmp_file (const char *template,
return tmperr;
}
strcpy (tmpfname,template);
strcpy (tmpfname + strlen (template)-4, EXTSEP_S "tmp");
strcpy (tmpfname + strlen (template)-4, EXTSEP_S "k__");
}
else
{ /* File does not end with kbx; hmmm. */
{ /* File does not end with kbx, thus we hope we are working on a
modern file system and appending a suffix works. */
bakfname = xtrymalloc ( strlen (template) + 5);
if (!bakfname)
return gpg_error_from_syserror ();
strcpy (stpcpy (bakfname, template), EXTSEP_S "bak");
strcpy (stpcpy (bakfname, template), EXTSEP_S "kb_");
tmpfname = xtrymalloc ( strlen (template) + 5);
if (!tmpfname)
@ -110,7 +113,7 @@ create_tmp_file (const char *template,
xfree (bakfname);
return tmperr;
}
strcpy (stpcpy (tmpfname, template), EXTSEP_S "tmp");
strcpy (stpcpy (tmpfname, template), EXTSEP_S "k__");
}
# else /* Posix file names */
bakfname = xtrymalloc (strlen (template) + 2);