A lot of people have complained that they can't get dsniff to compile on FC2. I
put up some very simple patches and instructions to get dsniff to compile on
FC2 cleanly.

This assume you have Berkely db with 1.85 compatability enabled (full install
of FC2 already has this).

If you use the exact versions with patches from this site, it should compile
without any issues.

http://www.enzotech.net/dsniff.html
(Download patches or patched distros here. You must use exact versions
specified here.)

This fixes the following errors:

Compiling libnids: (Gcc3 is more strict on ASM code)

checksum.c:32:8: missing terminating " character
checksum.c: In function `csum_partial':
checksum.c:33: error: syntax error before "jz"
checksum.c:33:12: invalid suffix "f" on integer constant
checksum.c:35:13: invalid suffix "f" on integer constant
checksum.c:37:13: invalid suffix "f" on integer constant
checksum.c:45:12: invalid suffix "f" on integer constant
checksum.c:65:13: invalid suffix "b" on integer constant
checksum.c:69:12: invalid suffix "f" on integer constant
checksum.c:74:13: invalid suffix "b" on integer constant
checksum.c:77:12: invalid suffix "f" on integer constant
checksum.c:79:12: invalid suffix "f" on integer constant
checksum.c:82:12: invalid suffix "f" on integer constant
checksum.c:87:4: missing terminating " character
checksum.c:106:24: missing terminating " character
checksum.c: In function `ip_fast_csum':
checksum.c:107: error: syntax error before "movl"
checksum.c:109:17: invalid suffix "f" on integer constant
checksum.c:116:17: invalid suffix "b" on integer constant
checksum.c:124:13: missing terminating " character
checksum.c:140:11: missing terminating " character
checksum.c: In function `csum_fold':
checksum.c:141: error: syntax error before "addl"
checksum.c:143:9: missing terminating " character
checksum.c:158:11: missing terminating " character
checksum.c: In function `csum_tcpudp_magic':
checksum.c:159: error: syntax error before "addl"
checksum.c:163:9: missing terminating " character
checksum.c:165: error: `__x' undeclared (first use in this function)
checksum.c:165: error: (Each undeclared identifier is reported only once
checksum.c:165: error: for each function it appears in.)
checksum.c:165: error: `__v' undeclared (first use in this function)
checksum.c:165: warning: no return statement in function returning non-void
checksum.c: At top level:
checksum.c:165: error: syntax error before ')' token
make[1]: *** [checksum.o] Error 1

Compiling dsniff:  (Missing time.h include)

sshow.c: In function `client_to_server':
sshow.c:225: error: `CLK_TCK' undeclared (first use in this function)
sshow.c:225: error: (Each undeclared identifier is reported only once
sshow.c:225: error: for each function it appears in.)
sshow.c: In function `server_to_client':
sshow.c:273: error: `CLK_TCK' undeclared (first use in this function)
make: *** [sshow.o] Error 1

(Errors added for google love)

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