Mercurial > hg > Applications > virsh-wrapper

annotate ie-virsh.c @ 5:9ecd833b9570

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 13 Nov 2012 07:59:17 +0900
parents 349bbbd3fbd5
children 25c14d1144a8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
7785dd06c62f Virsh Wrapper initial version
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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1
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2
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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3 #include <stdlib.h>
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4 #include <unistd.h>
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5
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6 #include <stdio.h>
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7 #include <sys/types.h>
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8 #include <unistd.h>
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9 #include <signal.h>
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10 #include <string.h>
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11
2
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12 #include <sys/types.h>
1
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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13 #include <regex.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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14
0
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15 /********************************************
2
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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16 * Virsh Wrapper - Secure Yourself *
0
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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17 * *
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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18 * 2007 - Mike Golvach - eggi@comcast.net *
2
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 1
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19 * 2012 - Shinji KONO kono@ie.u-rykyu.ac.jp *
0
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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20 * *
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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21 * Usage: COMMAND [start|stop] *
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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22 * *
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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23 ********************************************/
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24
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25 /* Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License */
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26
2
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 1
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27 #define command "/usr/bin/virsh"
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28 #define list_command "/usr/bin/virsh list --all"
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29 #define start_command "start"
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30 #define stop_command "destroy"
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Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp>
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31 #define dumpxml_command "dumpxml"
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32
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33 #define VMNAME_MAX (512)
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34
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35 typedef struct vmlist {
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36 char name[VMNAME_MAX];
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37 struct vmlist *next;
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38 } VMLIST, *VMLISTPTR;
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39
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40 #define NEW(type) ((type*)malloc(sizeof(type)))
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41
0
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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42 /* Define global variables */
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43
1
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44
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45
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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46 VMLISTPTR
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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47 get_vmlist(regex_t *list_pattern)
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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48 {
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49 VMLISTPTR list = NEW(VMLIST);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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50 VMLISTPTR p = list ;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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51 p->name[0] = 0;
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52 p->next = 0;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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53 FILE *fp = popen(list_command,"r");
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 0
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54 while(fgets(p->name,VMNAME_MAX,fp)!=NULL) {
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55 if (regexec(list_pattern, p->name, (size_t) 0, NULL, 0)) continue;
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56 p->next = NEW(VMLIST);
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57 p = p->next;
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58 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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59 p->name[0] = 0;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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60 pclose(fp);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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61 return list;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 0
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62 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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63
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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64 void
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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65 print_vmlist(VMLISTPTR list)
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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66 {
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67 for(;list && list->name[0]; list=list->next) {
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68 fprintf(stdout, " %s\n",list->name);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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69 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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70 }
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71
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72 int
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73 check_vmlist_name(VMLISTPTR list, char *arg)
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74 {
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75 for(;list && list->name[0]; list=list->next) {
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76 if (strstr(list->name,arg)!=0) return 1;
1
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77 }
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78 return 0;
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79 }
0
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80
3
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81 void
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82 usage()
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83 {
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84 printf("Usage: COMMAND [list|start|destroy|xmldump] [vm-name]\n");
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85 }
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86
0
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87 /* main(int argc, char **argv) - main process loop */
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88
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89 int main(int argc, char **argv)
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90 {
1
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91 int gid;
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92 int uid;
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93
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94 /* Set euid and egid to actual user */
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95
1
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96 char *name = getlogin();
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97 uid = getuid();
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98 gid = getgid();
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99 printf("uid %d gid %d name %s\n", uid,gid,name);
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100 setegid(getgid());
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101 seteuid(getuid());
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102
1
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103 regex_t *pattern = NEW(regex_t);
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104 if (regcomp(pattern, name, 0) != 0) {
1
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105 exit(0);
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106 }
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107
0
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108 /* Confirm user is in GROUP(999) group */
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109
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110 /*
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111 if ( gid != 999 ) {
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112 printf("User Not Authorized! Exiting...\n");
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113 exit(1);
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114 }
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115 */
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116
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117 /* Set uid, gid, euid and egid to root */
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118
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119 setegid(0);
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120 seteuid(0);
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121 setgid(0);
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122 setuid(0);
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123
1
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124 VMLISTPTR vmlist = get_vmlist(pattern);
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125
5
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126 if (argc>=3) {
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127 if (check_vmlist_name(vmlist, argv[2])==0) {
1
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 0
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128 fprintf(stderr, "bad vmname\n");
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 0
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129 print_vmlist(vmlist);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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130 exit(0);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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131 }
3
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132 } else if (argc<2) {
5
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133 print_vmlist(vmlist);
3
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134 usage();
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135 exit(0);
1
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136 }
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137
0
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138 /* Check argv for proper arguments and run
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139 * the corresponding script, if invoked.
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140 */
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141
3
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142 if ( argv[1]==0 || strncmp(argv[1], "list", 4) == 0 ) {
1
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parents: 0
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143 print_vmlist(vmlist);
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144 } else if ( strncmp(argv[1], "start", 5) == 0 ) {
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145 if (execl(command, command, start_command, argv[2], NULL) < 0) {
0
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146 perror("Execl:");
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147 }
5
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148 } else if ( strncmp(argv[1], "destroy", 4) == 0 ) {
1
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parents: 0
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149 if (execl(command, command, stop_command, argv[2], NULL) < 0) {
0
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150 perror("Execl:");
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151 }
4
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Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp>
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152 } else if ( strncmp(argv[1], "dumpxml", 7) == 0 ) {
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153 if (execl(command, command, dumpxml_command, argv[2], NULL) < 0) {
349bbbd3fbd5 added dumpxml command
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154 perror("Execl:");
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155 }
0
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156 } else {
3
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157 usage();
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158 exit(1);
0
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159 }
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160 exit(0);
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161 }
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162
1
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 0
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163 /* end */