diff options
Diffstat (limited to 'etc.c')
| -rw-r--r-- | etc.c | 220 |
1 files changed, 220 insertions, 0 deletions
@@ -0,0 +1,220 @@ +/************************************************ + + etc.c - + + $Author: matz $ + $Date: 1994/06/17 14:23:49 $ + created at: Tue Mar 22 18:39:19 JST 1994 + +************************************************/ + +#include "ruby.h" +#include <pwd.h> +#include <grp.h> + +char *getlogin(); + +static VALUE +Fetc_getlogin(obj) + VALUE obj; +{ + char *login = getlogin(); + + if (login) + return str_new2(getlogin()); + return Qnil; +} + +static VALUE +setup_passwd(pwd) + struct passwd *pwd; +{ + VALUE pw, name, passwd, gecos, dir, shell; +#ifdef PW_CLASS + VALUE class; +#endif +#ifdef PW_COMMENT + VALUE comment; +#endif + + if (pwd == Qnil) rb_sys_fail("/etc/passwd"); + GC_LINK; + GC_PRO3(pw, str_new2(pwd->pw_name)); + GC_PRO3(passwd, str_new2(pwd->pw_passwd)); + GC_PRO3(gecos, str_new2(pwd->pw_gecos)); + GC_PRO3(dir, str_new2(pwd->pw_dir)); + GC_PRO3(shell, str_new2(pwd->pw_shell)); +#ifdef PW_CLASS + GC_PRO3(class, str_new2(pwd->pw_class)); +#endif +#ifdef PW_COMMENT + GC_PRO3(comment, str_new2(pwd->pw_comment)); +#endif + + pw = struct_new("passwd", + "name", name, + "passwd", passwd, + "uid", INT2FIX(pwd->pw_uid), + "gid", INT2FIX(pwd->pw_gid), + "gecos", gecos, + "dir", dir, + "shell", shell, +#ifdef PW_CHANGE + "change", INT2FIX(pwd->pw_change), +#endif +#ifdef PW_QUOTA + "quota", INT2FIX(pwd->pw_quota), +#endif +#ifdef PW_AGE + "age", INT2FIX(pwd->pw_age), +#endif +#ifdef PW_CLASS + "class", class, +#endif +#ifdef PW_COMMENT + "comment", comment, +#endif +#ifdef PW_EXPIRE + "expire", INT2FIX(pwd->pw_expire), +#endif + Qnil); + GC_UNLINK; + + return pw; +} + +static VALUE +Fetc_getpwuid(obj, args) + VALUE obj, args; +{ + VALUE id; + int uid; + struct passwd *pwd; + + if (rb_scan_args(args, "01", &id) == 1) { + uid = NUM2INT(id); + } + else { + uid = getuid(); + } + pwd = getpwuid(uid); + if (pwd == Qnil) Fail("can't find user for %d", uid); + return setup_passwd(pwd); +} + +static VALUE +Fetc_getpwnam(obj, nam) + VALUE obj, nam; +{ + struct passwd *pwd; + + Check_Type(nam, T_STRING); + pwd = getpwnam(RSTRING(nam)->ptr); + if (pwd == Qnil) Fail("can't find user for %s", RSTRING(nam)->ptr); + return setup_passwd(pwd); +} + +static VALUE +Fetc_passwd(obj) + VALUE obj; +{ + struct passwd *pw; + + if (iterator_p()) { + setpwent(); + while (pw = getpwent()) { + rb_yield(setup_passwd(pw)); + } + endpwent(); + return obj; + } + pw = getpwent(); + if (pw == Qnil) Fail("can't fetch next -- /etc/passwd"); + return setup_passwd(pw); +} + +static VALUE +setup_group(grp) + struct group *grp; +{ + VALUE mem, obj, name, passwd; + char **tbl; + + GC_LINK; + GC_PRO3(mem, ary_new()); + tbl = grp->gr_mem; + while (*tbl) { + Fary_push(mem, str_new2(*tbl)); + tbl++; + } + GC_PRO3(name, str_new2(grp->gr_name)); + GC_PRO3(passwd, str_new2(grp->gr_passwd)); + obj = struct_new("group", + "name", name, + "passwd", passwd, + "gid", INT2FIX(grp->gr_gid), + "mem", mem, + Qnil); + GC_UNLINK; + + return obj; +} + +static VALUE +Fetc_getgrgid(obj, id) + VALUE obj, id; +{ + int gid; + struct group *grp; + + gid = NUM2INT(id); + grp = getgrgid(gid); + if (grp == Qnil) Fail("can't find group for %d", gid); + return setup_group(grp); +} + +static VALUE +Fetc_getgrnam(obj, nam) + VALUE obj, nam; +{ + struct group *grp; + + Check_Type(nam, T_STRING); + grp = getgrnam(RSTRING(nam)->ptr); + if (grp == Qnil) Fail("can't find group for %s", RSTRING(nam)->ptr); + return setup_group(grp); +} + +static VALUE +Fetc_group(obj) + VALUE obj; +{ + struct group *grp; + + if (iterator_p()) { + setgrent(); + while (grp = getgrent()) { + rb_yield(setup_group(grp)); + } + endgrent(); + return obj; + } + return setup_group(getgrent()); +} + +VALUE M_Etc; + +Init_Etc() +{ + M_Etc = rb_define_module("Etc"); + + rb_define_mfunc(M_Etc, "getlogin", Fetc_getlogin, 0); + + rb_define_mfunc(M_Etc, "getpwuid", Fetc_getpwuid, -2); + rb_define_mfunc(M_Etc, "getpwnam", Fetc_getpwnam, 1); + rb_define_mfunc(M_Etc, "passwd", Fetc_passwd, 0); + + rb_define_mfunc(M_Etc, "getgrgid", Fetc_getgrgid, 1); + rb_define_mfunc(M_Etc, "getgrnam", Fetc_getgrnam, 1); + rb_define_mfunc(M_Etc, "group", Fetc_group, 0); +} |