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10 | reyssat | 1 | /* Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis |
2 | * |
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3 | * This program is free software; you can redistribute it and/or modify |
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4 | * it under the terms of the GNU General Public License as published by |
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5 | * the Free Software Foundation; either version 2 of the License, or |
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6 | * (at your option) any later version. |
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7 | * |
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8 | * This program is distributed in the hope that it will be useful, |
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9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 | * GNU General Public License for more details. |
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12 | * |
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13 | * You should have received a copy of the GNU General Public License |
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14 | * along with this program; if not, write to the Free Software |
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15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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16 | */ |
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17 | |||
7676 | bpr | 18 | /* Wrap uid and exec */ |
10 | reyssat | 19 | |
20 | #include <unistd.h> |
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21 | #include <string.h> |
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22 | |||
23 | int main(int argc,char *argv[]) |
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24 | { |
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12248 | bpr | 25 | char *args[1024]; |
26 | int i, uid1, uid2, gid1, gid2; |
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7676 | bpr | 27 | |
12248 | bpr | 28 | if(argc<2) return 0; |
29 | for(i=0;i<1000 && i<argc; i++) args[i]=argv[i+1]; |
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30 | args[i]=NULL; |
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31 | uid1=geteuid(); uid2=getuid(); gid1=getegid(); gid2=getgid(); |
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32 | if(strchr(args[0],'/')) { |
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33 | setreuid(uid1,uid2); setregid(gid1,gid2); |
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34 | execv(args[0],args); |
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35 | } |
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36 | else { |
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37 | setreuid(uid1,uid1); setregid(gid1,gid1); |
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38 | execvp(args[0],args); |
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39 | } |
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40 | return 127; |
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10 | reyssat | 41 | } |
42 |