[tor-bugs] #25055 [Core Tor/Tor]: string_is_valid_hostname() returns true for IPv4 addresses

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#25055: string_is_valid_hostname() returns true for IPv4 addresses
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 Reporter:  teor               |          Owner:  (none)
     Type:  defect             |         Status:  needs_revision
 Priority:  Medium             |      Milestone:  Tor: 0.3.4.x-final
Component:  Core Tor/Tor       |        Version:
 Severity:  Normal             |     Resolution:
 Keywords:  IPv6 IPv4 tor-dns  |  Actual Points:
Parent ID:                     |         Points:  1
 Reviewer:                     |        Sponsor:
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Comment (by teor):

 Please don't use ctype.h, use TOR_ISDIGIT() and friends instead.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25055#comment:6>
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