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@@ -467,9 +467,14 @@ static void disable_old_keys(const char *filename) {
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return;
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}
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- snprintf(tmpfile, sizeof(tmpfile), "%s.tmp", filename);
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+ int len = snprintf(tmpfile, sizeof(tmpfile), "%s.tmp", filename);
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- w = fopen(tmpfile, "w");
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+ if(len < 0 || len >= PATH_MAX) {
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+ fprintf(stderr, "Pathname too long: %s.tmp\n", filename);
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+ w = NULL;
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+ } else {
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+ w = fopen(tmpfile, "w");
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+ }
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while(fgets(buf, sizeof(buf), r)) {
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if(!strncmp(buf, "-----BEGIN RSA", 14)) {
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