void write_pw(int entry, int value, struct pwdb_passwd *p)
{
if (entry == PW_FAILED) {
p->pw_failed = value;
} else if (entry == PW_AGE) {
p->pw_age = value;
} else {
printf("Faulty entry passed");
return;
}
switch (entry) {
case PW_FAILED:
p->pw_failed = value;
break;
case PW_AGE:
p->pw_age = value;
break;
default:
printf("Erroneous entry passed to write_pw.");
return;
}
if (pwdb_update_user(p) != 0) {
printf("pwdb_update_user returned error %s\n",
pwdb_err2str(pwdb_errno));
}
}
int main(int argc,char **argv){
struct pwdb_passwd *p;
if (argc<2) {
printf("Usage: pwdb_showuser username\n");
return(0);
}
p=pwdb_getpwnam(argv[1]);
if (p==NULL) {
printf("pwdb_getpwnam returned error: %s\n",pwdb_err2str(pwdb_errno));
return(0);
}
printf("User info:\n");
print_info(p);
return(0);
}
int main(int argc,char **argv)
{
char *username;
char *buf;
size_t buflen, chread;
struct pwdb_passwd *p, *oldp;
int updt;
if (argc<2) {
printf("Usage: update_user username\n");
return(0);
}
username=argv[1];
oldp=pwdb_getpwnam(username);
if (oldp!=NULL)
updt=1;
else if ((oldp==NULL) && (pwdb_errno==PWDB_NOUSER))
updt=0;
else {
printf("pwdb_getpwnam return error: %s\n",pwdb_err2str(pwdb_errno));
return(0);
}
p=(struct pwdb_passwd *)malloc(sizeof(struct pwdb_passwd));
buf=NULL;
buflen=0;
p->pw_name=username;
chread=0;
while (1) {
printf("Password:"******"New user, so you must enter data\n");
if ((updt) && (chread<1)) {
p->pw_passwd=oldp->pw_passwd;
break;
}
if (chread>0) {
p->pw_passwd=(char *)malloc(sizeof(char)*(chread+1));
strncpy(p->pw_passwd,buf,chread);
p->pw_passwd[chread]='\0';
break;
}
}
chread=0;
while (1) {
printf("Uid:");
chread=getline(&buf,&buflen,stdin);
buf[chread]='\0'; chread--; /* remove '\n' included by getline */
if ((!updt) && (chread<1))
printf("New user, so you must enter data\n");
if ((updt) && (chread<1)) {
p->pw_uid=oldp->pw_uid;
break;
}
if (chread>0) {
p->pw_uid=atoi(buf);
break;
}
}
chread=0;
while (1) {
printf("Gid:");
chread=getline(&buf,&buflen,stdin);
buf[chread]='\0'; chread--; /* remove '\n' included by getline */
if ((!updt) && (chread<1))
printf("New user, so you must enter data\n");
if ((updt) && (chread<1)) {
p->pw_gid=oldp->pw_gid;
break;
}
if (chread>0) {
p->pw_gid=atoi(buf);
break;
}
}
chread=0;
while (1) {
printf("Real name:");
chread=getline(&buf,&buflen,stdin);
buf[chread]='\0'; chread--; /* remove '\n' included by getline */
if ((!updt) && (chread<1))
printf("New user, so you must enter data\n");
if ((updt) && (chread<1)) {
p->pw_gecos=oldp->pw_gecos;
break;
}
if (chread>0) {
p->pw_gecos=(char *)malloc(sizeof(char)*(chread+1));
strncpy(p->pw_gecos,buf,chread);
p->pw_gecos[chread]='\0';
break;
}
}
chread=0;
while (1) {
printf("Home directory:");
chread=getline(&buf,&buflen,stdin);
buf[chread]='\0'; chread--; /* remove '\n' included by getline */
if ((!updt) && (chread<1))
printf("New user, so you must enter data\n");
if ((updt) && (chread<1)) {
p->pw_dir=oldp->pw_dir;
break;
}
if (chread>0) {
p->pw_dir=(char *)malloc(sizeof(char)*(chread+1));
strncpy(p->pw_dir,buf,chread);
p->pw_dir[chread]='\0';
break;
}
}
chread=0;
while (1) {
printf("Shell:");
chread=getline(&buf,&buflen,stdin);
buf[chread]='\0'; chread--; /* remove '\n' included by getline */
if ((!updt) && (chread<1))
printf("New user, so you must enter data\n");
if ((updt) && (chread<1)) {
p->pw_shell=oldp->pw_shell;
break;
}
if (chread>0) {
p->pw_shell=(char *)malloc(sizeof(char)*(chread+1));
strncpy(p->pw_shell,buf,chread);
p->pw_shell[chread]='\0';
break;
}
}
chread=0;
while (1) {
printf("Failed:");
chread=getline(&buf,&buflen,stdin);
buf[chread]='\0'; chread--; /* remove '\n' included by getline */
if ((!updt) && (chread<1))
printf("New user, so you must enter data\n");
if ((updt) && (chread<1)) {
p->pw_failed=oldp->pw_failed;
break;
}
if (chread>0) {
p->pw_failed=atoi(buf);
break;
}
}
chread=0;
while (1) {
printf("Age:");
chread=getline(&buf,&buflen,stdin);
buf[chread]='\0'; chread--; /* remove '\n' included by getline */
if ((!updt) && (chread<1))
printf("New user, so you must enter data\n");
if ((updt) && (chread<1)) {
p->pw_age=oldp->pw_age;
break;
}
if (chread>0) {
p->pw_age=atoi(buf);
break;
}
}
if (pwdb_update_user(p)!=0) {
printf("pwdb_update_user returned error %s\n",pwdb_err2str(pwdb_errno));
}
return(0);
}
