Mercurial > hg > toybox
annotate toys/pending/groupdel.c @ 1215:4eaac3e63fa7 draft
Cleanup freeramdisk: tabs to 2 spaces, square brackets for option name, do optional cleanup under if (CFG_TOYBOX_FREE) guard.
author | Rob Landley <rob@landley.net> |
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date | Sun, 09 Mar 2014 14:38:51 -0500 |
parents | f1c924e08e63 |
children | ed28d4d9558d |
rev | line source |
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Attached is an implementation for groupdel.
Ashwini Sharma <ak.ashwini1981@gmail.com>
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1 /* groupdel.c - delete a group |
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Attached is an implementation for groupdel.
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2 * |
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Attached is an implementation for groupdel.
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3 * Copyright 2013 Ashwini Kumar <ak.ashwini1981@gmail.com> |
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Attached is an implementation for groupdel.
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4 * Copyright 2013 Kyungwan Han <asura321@gmail.com> |
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Attached is an implementation for groupdel.
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5 * |
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Attached is an implementation for groupdel.
Ashwini Sharma <ak.ashwini1981@gmail.com>
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6 * See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/groupdel.html |
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Attached is an implementation for groupdel.
Ashwini Sharma <ak.ashwini1981@gmail.com>
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7 |
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Attached is an implementation for groupdel.
Ashwini Sharma <ak.ashwini1981@gmail.com>
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8 USE_GROUPDEL(NEWTOY(groupdel, "<1>2", TOYFLAG_NEEDROOT|TOYFLAG_SBIN)) |
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Attached is an implementation for groupdel.
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9 USE_GROUPDEL(OLDTOY(delgroup, groupdel, OPTSTR_groupdel, TOYFLAG_NEEDROOT|TOYFLAG_SBIN)) |
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Attached is an implementation for groupdel.
Ashwini Sharma <ak.ashwini1981@gmail.com>
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10 |
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Attached is an implementation for groupdel.
Ashwini Sharma <ak.ashwini1981@gmail.com>
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11 config GROUPDEL |
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Attached is an implementation for groupdel.
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12 bool "groupdel" |
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13 default n |
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14 help |
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Attached is an implementation for groupdel.
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15 usage: delgroup [USER] GROUP |
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16 groupdel GROUP |
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Attached is an implementation for groupdel.
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17 |
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Attached is an implementation for groupdel.
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18 Delete a group or delete a user from a group |
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Attached is an implementation for groupdel.
Ashwini Sharma <ak.ashwini1981@gmail.com>
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19 */ |
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Attached is an implementation for groupdel.
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20 |
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21 #define FOR_groupdel |
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22 #include "toys.h" |
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23 |
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24 void groupdel_main(void) |
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25 { |
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26 struct group *grp = NULL; |
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27 char *entry = NULL; |
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28 |
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29 if (toys.optc == 2) { //del user from group |
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30 //toys.optargs[0]- user, toys.optargs[1] - group |
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31 if (!getpwnam(toys.optargs[0])) |
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32 error_exit("user '%s' does not exist", toys.optargs[0]); |
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33 if (!(grp = getgrnam(toys.optargs[1]))) |
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34 error_exit("group '%s' does not exist", toys.optargs[1]); |
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Ashwini Sharma <ak.ashwini1981@gmail.com>
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35 if (!(grp = getgrnam(toys.optargs[1]))) |
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36 error_exit("group '%s' does not exist", toys.optargs[1]); |
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37 if (!grp->gr_mem) return; |
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38 else { |
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39 int i, found = -1; |
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40 |
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Attached is an implementation for groupdel.
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41 for (i = 0; grp->gr_mem[i] && (found == -1); i++) |
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42 if (!strcmp(grp->gr_mem[i], *toys.optargs)) found = i; |
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Ashwini Sharma <ak.ashwini1981@gmail.com>
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43 |
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Ashwini Sharma <ak.ashwini1981@gmail.com>
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44 if (found == -1) { |
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45 xprintf("%s: The user '%s' is not a member of '%s'\n", toys.which->name, |
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46 toys.optargs[0], toys.optargs[1]); |
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47 return; |
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48 } |
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49 entry = xstrdup(""); |
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50 for (i=0; grp->gr_mem[i]; i++) { |
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51 if (found != i) { //leave out user from grp member list |
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52 if (i && *entry) strcat(entry, ","); |
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53 entry = xrealloc(entry, strlen(entry) + strlen(grp->gr_mem[i]) + 2); |
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54 strcat(entry, grp->gr_mem[i]); |
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55 } |
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Attached is an implementation for groupdel.
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56 } |
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57 } |
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58 } else { //delete the group |
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59 struct passwd *pw = NULL; |
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60 |
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61 if (!(grp = getgrnam(*toys.optargs))) |
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62 error_exit("group '%s' doesn't exist", *toys.optargs); |
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63 //is it a primary grp of user |
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64 while ((pw = getpwent())) { |
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65 if (pw->pw_gid == grp->gr_gid) { |
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66 endpwent(); |
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67 error_exit("can't remove primary group of user '%s'", pw->pw_name); |
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68 } |
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69 } |
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70 endpwent(); |
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71 } |
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72 update_password("/etc/group", grp->gr_name, entry); |
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73 update_password("/etc/gshadow", grp->gr_name, entry); |
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74 free(entry); |
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75 } |