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udev-rules: ignore whole command result if it is too long and does not contain newline

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This commit is contained in:
Yu Watanabe
2025-01-15 23:43:37 +09:00
parent a79cd8c2be
commit 68b1e1b61a
1 changed files with 5 additions and 2 deletions
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7
src/udev/udev-rules.c
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@@ -2380,15 +2380,18 @@ static int udev_rule_apply_token_to_event(
}
if (truncated) {
bool found = false;
log_event_debug(event, token, "Result of \"%s\" is too long and truncated, ignoring the last line of the result.", buf);
/* Drop the last line. */
bool found = false;
for (char *p = PTR_SUB1(buf + strlen(buf), buf); p; p = PTR_SUB1(p, buf))
if (strchr(NEWLINE, *p)) {
*p = '\0';
found = true;
} else if (found)
break;
}
if (!found)
buf[0] = '\0';
}
r = strv_split_newlines_full(&lines, result, EXTRACT_RETAIN_ESCAPE);