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Add guards for closed socket in net.c

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This is particularly problematic when calling FD_SET( -1, ... ), but let's
check it in all functions.

This was introduced with the new API and the fact the net_free() now sets the
internal fd to -1 in order to mark it as closed: now using this information.
This commit is contained in:
Manuel Pégourié-Gonnard 2015-07-01 19:03:27 +02:00
parent 046589e424
commit 9bd0afdb22
4 changed files with 19 additions and 3 deletions
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2
include/mbedtls/error.h
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@ -62,7 +62,7 @@
* DES 1 0x0032-0x0032
* CTR_DBRG 4 0x0034-0x003A
* ENTROPY 3 0x003C-0x0040 0x003D-0x003F
* NET 9 0x0042-0x0052 0x0043-0x0043
* NET 11 0x0042-0x0052 0x0043-0x0045
* ASN1 7 0x0060-0x006C
* PBKDF2 1 0x007C-0x007C
* HMAC_DRBG 4 0x0003-0x0009