1 #include <u.h> 2 #include <libc.h> 3 #include <authsrv.h> 4 #include <bio.h> 5 #include "authcmdlib.h" 6 7 char *trivial[] = { 8 "login", 9 "guest", 10 "change me", 11 "passwd", 12 "no passwd", 13 "anonymous", 14 0 15 }; 16 17 char* 18 okpasswd(char *p) 19 { 20 char passwd[ANAMELEN]; 21 char back[ANAMELEN]; 22 int i, n; 23 24 strncpy(passwd, p, sizeof passwd - 1); 25 passwd[sizeof passwd - 1] = '\0'; 26 n = strlen(passwd); 27 while(passwd[n - 1] == ' ') 28 n--; 29 passwd[n] = '\0'; 30 for(i = 0; i < n; i++) 31 back[i] = passwd[n - 1 - i]; 32 back[n] = '\0'; 33 if(n < 8) 34 return "password must be at least 8 chars"; 35 36 for(i = 0; trivial[i]; i++) 37 if(strcmp(passwd, trivial[i]) == 0 38 || strcmp(back, trivial[i]) == 0) 39 return "trivial password"; 40 41 return 0; 42 } 43