cpython / Modules / grpmodule.c

 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124``` ```/*********************************************************** Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, The Netherlands. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the names of Stichting Mathematisch Centrum or CWI not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ /* UNIX group file access module */ #include "allobjects.h" #include "modsupport.h" #include #include static object *mkgrent(p) struct group *p; { object *v, *w; char **member; if ((w = newlistobject(0)) == NULL) { return NULL; } for (member = p->gr_mem; *member != NULL; member++) { object *x = newstringobject(*member); if (x == NULL || addlistitem(w, x) != 0) { XDECREF(x); DECREF(w); return NULL; } } v = mkvalue("(sslO)", p->gr_name, p->gr_passwd, #if defined(NeXT) && defined(_POSIX_SOURCE) && defined(__LITTLE_ENDIAN__) /* Correct a bug present on Intel machines in NextStep 3.2 and 3.3; for later versions you may have to remove this */ (long)p->gr_short_pad, /* ugh-NeXT broke the padding */ #else (long)p->gr_gid, #endif w); DECREF(w); return v; } static object *grp_getgrgid(self, args) object *self, *args; { int gid; struct group *p; if (!getintarg(args, &gid)) return NULL; if ((p = getgrgid(gid)) == NULL) { err_setstr(KeyError, "getgrgid(): gid not found"); return NULL; } return mkgrent(p); } static object *grp_getgrnam(self, args) object *self, *args; { char *name; struct group *p; if (!getstrarg(args, &name)) return NULL; if ((p = getgrnam(name)) == NULL) { err_setstr(KeyError, "getgrnam(): name not found"); return NULL; } return mkgrent(p); } static object *grp_getgrall(self, args) object *self, *args; { object *d; struct group *p; if (!getnoarg(args)) return NULL; if ((d = newlistobject(0)) == NULL) return NULL; setgrent(); while ((p = getgrent()) != NULL) { object *v = mkgrent(p); if (v == NULL || addlistitem(d, v) != 0) { XDECREF(v); DECREF(d); return NULL; } } return d; } static struct methodlist grp_methods[] = { {"getgrgid", grp_getgrgid}, {"getgrnam", grp_getgrnam}, {"getgrall", grp_getgrall}, {NULL, NULL} /* sentinel */ }; void initgrp() { initmodule("grp", grp_methods); } ```