radare2 script to autoname functions by taking it from the assert calls

assnam.py

#!/usr/bin/env python3
import r2pipe

r2 = r2pipe.open()

a = r2.cmd('ii~__assert_rtn[1]').strip()
if not a:
	print('[assnam] Cannot find assert_rtn import')
	exit(1)
if int(r2.cmd('aflc')) == 0:
	r2.cmd('aa;aac')

u = 0
refs = r2.cmd('axt '+a+'~[1]').strip().split('\n')
for r in refs:
	f = r2.cmd('afi.@'+r).strip()
	if not f:
		print('[assnam] Cannot find function at '+ r)
		continue
	n = r2.cmd('pdsb@' + r + '~str,":0[1]').strip()
	if n is '':
		print('[assnam] Cannot resolve assert name ' + r)
		continue
	sn = n.replace('str', 'sym')
	if sn != f:
		o = r2.cmd('afo ' + r).strip()
		c = "afn " + sn + " @ " + o
		r2.cmd(c)
		u += 1
print('[assnam] Renamed ' + str(u) + ' functions')

$ r2 -i assnam.py /usr/bin/ldapsearch

before -> after