Mercurial > hg > toybox
annotate toys/pending/groupdel.c @ 1439:ed28d4d9558d draft
Cleanups on useradd/groupadd/groupdel, and put TOYBOX_UID_SYS and TOYBOX_UID_USR in the top level Config.
author | Rob Landley <rob@landley.net> |
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date | Mon, 18 Aug 2014 19:10:45 -0500 |
parents | f1c924e08e63 |
children | 3fa0b2931082 |
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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2 * |
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3 * Copyright 2013 Ashwini Kumar <ak.ashwini1981@gmail.com> |
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4 * Copyright 2013 Kyungwan Han <asura321@gmail.com> |
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5 * |
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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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Ashwini Sharma <ak.ashwini1981@gmail.com>
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7 |
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8 USE_GROUPDEL(NEWTOY(groupdel, "<1>2", TOYFLAG_NEEDROOT|TOYFLAG_SBIN)) |
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9 USE_GROUPDEL(OLDTOY(delgroup, groupdel, OPTSTR_groupdel, TOYFLAG_NEEDROOT|TOYFLAG_SBIN)) |
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10 |
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11 config 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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15 usage: delgroup [USER] GROUP |
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Cleanups on useradd/groupadd/groupdel, and put TOYBOX_UID_SYS and TOYBOX_UID_USR in the top level Config.
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16 usage: groupdel GROUP |
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17 |
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18 Delete a group or remove a user from a group |
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19 */ |
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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 char *comma_find(char *name, char *list) |
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25 { |
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26 int len = strlen(name); |
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27 |
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28 while (*list) { |
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29 while (*list == ',') list++; |
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30 if (!strncmp(name, list, len) && (!list[len] || list[len]==',')) |
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31 return list; |
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32 while (*list && *list!=',') list++; |
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33 } |
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34 |
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35 return 0; |
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36 } |
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Cleanups on useradd/groupadd/groupdel, and put TOYBOX_UID_SYS and TOYBOX_UID_USR in the top level Config.
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parents:
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37 |
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38 void groupdel_main(void) |
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39 { |
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40 struct group *grp = getgrnam(toys.optargs[toys.optc-1]); |
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41 char *entry = 0; |
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42 |
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43 if (!grp) perror_exit("group '%s'", toys.optargs[toys.optc-1]); |
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44 |
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45 // delete user from group |
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46 if (toys.optc == 2) { |
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47 int i, len = 0, found = -1; |
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48 char *s; |
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49 |
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50 xgetpwnam(*toys.optargs); |
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51 if (grp->gr_mem) { |
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52 for (i = 0; grp->gr_mem[i]; i++) { |
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53 if (found == -1 && !strcmp(*toys.optargs, grp->gr_mem[i])) found = i; |
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54 else len += strlen(grp->gr_mem[i]) + 1; |
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55 } |
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56 } |
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57 if (found == -1) |
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58 error_exit("user '%s' not in group '%s'", *toys.optargs, toys.optargs[1]); |
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59 |
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60 entry = s = xmalloc(len); |
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61 for (i = 0; grp->gr_mem[i]; ) { |
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62 if (i) *(s++) = ','; |
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63 s = stpcpy(s, grp->gr_mem[i]); |
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64 } |
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65 |
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66 // delete group |
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67 } else { |
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68 struct passwd *pw; |
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69 |
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70 endpwent(); // possibly this should be in toy_init()? |
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71 for (;;) { |
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72 if (!(pw = getpwent())) break; |
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73 if (pw->pw_gid == grp->gr_gid) break; |
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74 } |
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75 if (pw) error_exit("can't remove primary group of user '%s'", pw->pw_name); |
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76 endpwent(); |
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77 } |
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78 |
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79 update_password("/etc/group", grp->gr_name, entry); |
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80 update_password("/etc/gshadow", grp->gr_name, entry); |
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81 if (CFG_TOYBOX_FREE) free(entry); |
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82 } |