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auth/factotum: use common readcons() function from libauthsrv

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This commit is contained in:
cinap_lenrek 2016-07-31 20:06:56 +02:00
parent cf37a1010f
commit ae5fb4ab78
2 changed files with 7 additions and 117 deletions
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3
sys/src/cmd/auth/factotum/dat.h
View file

@ -194,8 +194,6 @@ int canusekey(Fsstate*, Key*);
void closekey(Key*);
uchar *convAI2M(AuthInfo*, uchar*, int);
void disablekey(Key*);
char *estrappend(char*, char*, ...);
#pragma varargck argpos estrappend 2
int failure(Fsstate*, char*, ...);
Keyinfo* mkkeyinfo(Keyinfo*, Fsstate*, Attr*);
int findkey(Key**, Keyinfo*, char*, ...);
@ -209,7 +207,6 @@ char *mkcap(char*, char*);
int phaseerror(Fsstate*, char*);
char *phasename(Fsstate*, int, char*);
void promptforhostowner(void);
char *readcons(char*, char*, int);
int replacekey(Key*, int before);
char *safecpy(char*, char*, int);
Attr *setattr(Attr*, char*, ...);

119
sys/src/cmd/auth/factotum/util.c
View file

@ -687,131 +687,24 @@ phasename(Fsstate *fss, int phase, char *tmp)
return name;
}
static int
outin(char *prompt, char *def, int len)
{
char *s;
s = readcons(prompt, def, 0);
if(s == nil)
return -1;
if(s == nil)
sysfatal("s==nil???");
strncpy(def, s, len);
def[len-1] = 0;
free(s);
return strlen(def);
}
/*
* get host owner and set it
*/
void
promptforhostowner(void)
{
char owner[64], *p;
char *p;
/* hack for bitsy; can't prompt during boot */
if(p = getenv("user")){
writehostowner(p);
p = getenv("user");
while(p == nil || *p == 0){
free(p);
p = readcons("user", "glenda", 0);
if(p == nil)
return;
}
writehostowner(p);
free(p);
strcpy(owner, "glenda");
do{
outin("user", owner, sizeof(owner));
} while(*owner == 0);
writehostowner(owner);
}
char*
estrappend(char *s, char *fmt, ...)
{
char *t;
va_list arg;
va_start(arg, fmt);
t = vsmprint(fmt, arg);
if(t == nil)
sysfatal("out of memory");
va_end(arg);
s = erealloc(s, strlen(s)+strlen(t)+1);
strcat(s, t);
free(t);
return s;
}
/*
* prompt for a string with a possible default response
*/
char*
readcons(char *prompt, char *def, int raw)
{
int fdin, fdout, ctl, n;
char line[10];
char *s;
fdin = open("/dev/cons", OREAD);
if(fdin < 0)
fdin = 0;
fdout = open("/dev/cons", OWRITE);
if(fdout < 0)
fdout = 1;
if(def != nil)
fprint(fdout, "%s[%s]: ", prompt, def);
else
fprint(fdout, "%s: ", prompt);
if(raw){
ctl = open("/dev/consctl", OWRITE);
if(ctl >= 0)
write(ctl, "rawon", 5);
} else
ctl = -1;
s = estrdup("");
for(;;){
n = read(fdin, line, 1);
if(n == 0){
Error:
close(fdin);
close(fdout);
if(ctl >= 0)
close(ctl);
free(s);
return nil;
}
if(n < 0)
goto Error;
if(line[0] == 0x7f)
goto Error;
if(n == 0 || line[0] == '\n' || line[0] == '\r'){
if(raw){
write(ctl, "rawoff", 6);
write(fdout, "\n", 1);
}
close(ctl);
close(fdin);
close(fdout);
if(*s == 0 && def != nil)
s = estrappend(s, "%s", def);
return s;
}
if(line[0] == '\b'){
if(strlen(s) > 0)
s[strlen(s)-1] = 0;
} else if(line[0] == 0x15) { /* ^U: line kill */
if(def != nil)
fprint(fdout, "\n%s[%s]: ", prompt, def);
else
fprint(fdout, "\n%s: ", prompt);
s[0] = 0;
} else {
s = estrappend(s, "%c", line[0]);
}
}
}
/*