Mercurial > dropbear

annotate ifndef_wrapper.sh @ 1861:2b3a8026a6ce

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add re-exec for server This allows ASLR to re-randomize the address space for every connection, preventing some vulnerabilities from being exploitable by repeated probing. Overhead (memory and time) is yet to be confirmed. At present this is only enabled on Linux. Other BSD platforms with fexecve() would probably also work though have not been tested.
author Matt Johnston <matt@ucc.asn.au>
date Sun, 30 Jan 2022 10:14:56 +0800
parents 0196f4f83fee
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 #!/bin/sh
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3 # Wrap all "#define X Y" with a #ifndef X...#endif"
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4
1611
0196f4f83fee avoid extended regex features to avoid caring about sed -r vs -E
Matt Johnston <matt@ucc.asn.au>
parents: 1521
diff changeset
5 sed 's/^\( *#define \([^ ][^ ]*\) .*\)/#ifndef \2\
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 \1\
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 #endif/'