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Annotation of researchv8dc/cmd/uucp/getpwinfo.c, revision 1.1.1.1

1.1       root        1: /*     @(#)getpwinfo.c 1.2
                      2: */
                      3: #include "uucp.h"
                      4: VERSION(@(#)getpwinfo.c        1.2);
                      5: 
                      6: #include <pwd.h>
                      7: extern struct passwd *getpwuid(), *getpwnam();
                      8: extern char    *getlogin();
                      9: 
                     10: /*
                     11:  * get passwd file info for logname or uid
                     12:  *     uid     -> uid #        
                     13:  *     name    -> address of buffer to return ascii user name
                     14:  *             This will be set to pw->pw_name.
                     15:  *
                     16:  * return:
                     17:  *     0       -> success
                     18:  *     FAIL    -> failure (logname and uid not found)
                     19:  */
                     20: guinfo(uid, name)
                     21: int uid;
                     22: char *name;
                     23: {
                     24:        register struct passwd *pwd;
                     25:        char    *login_name;
                     26: 
                     27:        /* look for this user as logged in utmp */
                     28:        if ((login_name = getlogin()) != NULL) {
                     29:                pwd = getpwnam(login_name);
                     30:                if (pwd != NULL && pwd->pw_uid == uid)
                     31:                        goto uid_found;
                     32:        }
                     33: 
                     34:        /* no dice on utmp -- get first from passwd file */
                     35:        if ((pwd = getpwuid(uid)) == NULL) {
                     36:            if ((pwd = getpwuid(UUCPUID)) == NULL)
                     37:                /* can not find uid in passwd file */
                     38:                return(FAIL);
                     39:        }
                     40: 
                     41: uid_found:
                     42:        (void) strcpy(name, pwd->pw_name);
                     43:        return(0);
                     44: }
                     45: 
                     46: /*
                     47:  * get passwd file info for name
                     48:  *     name    -> ascii user name
                     49:  *     uid     -> address of integer to return uid # in
                     50:  *     path    -> address of buffer to return working directory in
                     51:  * returns:
                     52:  *     0       -> success
                     53:  *     FAIL    -> failure
                     54:  */
                     55: gninfo(name, uid, path)
                     56: char *path, *name;
                     57: int *uid;
                     58: {
                     59:        register struct passwd *pwd;
                     60: 
                     61:        if ((pwd = getpwnam(name)) == NULL) {
                     62:                /* can not find name in passwd file */
                     63:                *path = '\0';
                     64:                return(FAIL);
                     65:        }
                     66: 
                     67:        (void) strcpy(path, pwd->pw_dir);
                     68:        *uid = pwd->pw_uid;
                     69:        return(0);
                     70: }
                     71: 
                     72: 

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