[1108] | 1 | /* |
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| 2 | * Copyright (c) 1997-2002 Red Hat, Inc. All rights reserved. |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or modify |
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| 5 | * it under the terms of the GNU General Public License, version 2, |
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| 6 | * as published by the Free Software Foundation. |
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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| 16 | * |
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| 17 | */ |
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| 18 | #include <errno.h> |
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| 19 | #include <fcntl.h> |
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| 20 | #include <stdio.h> |
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| 21 | #include <stdlib.h> |
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| 22 | #include <string.h> |
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| 23 | #include <unistd.h> |
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| 24 | |
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| 25 | /* this will be running setgid root, so be careful! */ |
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| 26 | |
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| 27 | static void |
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| 28 | usage(void) { |
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| 29 | fprintf(stderr, "usage: netreport [-r]\n"); |
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| 30 | exit(1); |
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| 31 | } |
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| 32 | |
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| 33 | #define ADD 1 |
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| 34 | #define DEL 0 |
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| 35 | int main(int argc, char ** argv) { |
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| 36 | int action = ADD; |
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| 37 | /* more than long enough for "/var/run/netreport/<pid>\0" */ |
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| 38 | char netreport_name[64]; |
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| 39 | int netreport_file; |
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| 40 | |
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| 41 | if (argc > 2) { |
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| 42 | usage(); |
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| 43 | } |
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| 44 | |
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| 45 | if (argc > 1) { |
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| 46 | if (argc == 2 && strcmp(argv[1], "-r") == 0) { |
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| 47 | action = DEL; |
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| 48 | } else { |
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| 49 | usage(); |
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| 50 | } |
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| 51 | } |
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| 52 | |
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| 53 | snprintf(netreport_name, sizeof(netreport_name), |
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| 54 | "/var/run/netreport/%d", getppid()); |
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| 55 | if (action == ADD) { |
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| 56 | netreport_file = open(netreport_name, |
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| 57 | O_EXCL|O_CREAT|O_WRONLY|O_TRUNC|O_NOFOLLOW, 0); |
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| 58 | if (netreport_file == -1) { |
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| 59 | if (errno != EEXIST) { |
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| 60 | perror("Could not create netreport file"); |
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| 61 | exit (1); |
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| 62 | } |
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| 63 | } else { |
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| 64 | close(netreport_file); |
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| 65 | } |
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| 66 | } else { |
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| 67 | /* ignore errors; not much we can do, won't hurt anything */ |
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| 68 | unlink(netreport_name); |
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| 69 | } |
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| 70 | |
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| 71 | return 0; |
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| 72 | } |
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