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diff -up at-3.1.13/atd.c.clear-nonjobs at-3.1.13/atd.c
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--- at-3.1.13/atd.c.clear-nonjobs 2016-04-20 17:15:00.579327865 +0200
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+++ at-3.1.13/atd.c 2016-04-20 17:18:06.215376744 +0200
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@@ -414,10 +414,22 @@ run_file(const char *filename, uid_t uid
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sprintf(fmt, "#!/bin/sh\n# atrun uid=%%d gid=%%d\n# mail %%%ds %%d",
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mailsize );
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+ /* Unlink the file unless there was an error reading it (perhaps
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+ * temporary).
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+ * If the file has a bogus format there is no reason in trying
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+ * to run it again and again.
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+ */
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if (fscanf(stream, fmt,
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- &nuid, &ngid, mailname, &send_mail) != 4)
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- pabort("File %.500s is in wrong format - aborting",
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- filename);
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+ &nuid, &ngid, mailname, &send_mail) != 4) {
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+ if (ferror(stream))
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+ perr("Error reading the job file");
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+
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+ unlink(filename);
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+ pabort("File %.500s is in wrong format - aborting",
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+ filename);
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+ }
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+
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+ unlink(filename);
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if (mailname[0] == '-')
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pabort("illegal mail name %.300s in job %8lu (%.300s)", mailname,
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@@ -427,12 +439,6 @@ run_file(const char *filename, uid_t uid
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pabort("Job %8lu (%.500s) - userid %d does not match file uid %d",
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jobno, filename, nuid, uid);
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- /* We are now committed to executing this script. Unlink the
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- * original.
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- */
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-
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- unlink(filename);
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-
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fclose(stream);
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if (chdir(ATSPOOL_DIR) < 0)
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perr("Cannot chdir to " ATSPOOL_DIR);
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