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penctl: 3rd arg is seq

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This commit is contained in:
Rafal Wojtczuk 2010-06-21 18:02:05 +02:00 committed by Joanna Rutkowska
parent 08d3082cf3
commit 94113deacf
1 changed files with 23 additions and 13 deletions
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36
appvm/qubes_penctl.c
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@ -24,7 +24,7 @@
#include <stdio.h> #include <stdio.h>
#include <unistd.h> #include <unistd.h>
#include <xs.h> #include <xs.h>
int check_name(unsigned char *s) void check_name(unsigned char *s)
{ {
int c; int c;
for (; *s; s++) { for (; *s; s++) {
@ -35,9 +35,16 @@ int check_name(unsigned char *s)
continue; continue;
if (c == '_' || c == '-') if (c == '_' || c == '-')
continue; continue;
return 0; fprintf(stderr, "invalid string %s\n", s);
exit(1);
} }
return 1; }
void usage(char *argv0)
{
fprintf(stderr, "usage: %s new\n"
"%s send vmname [seq]\n", argv0, argv0);
exit(1);
} }
int main(int argc, char **argv) int main(int argc, char **argv)
@ -50,18 +57,21 @@ int main(int argc, char **argv)
perror("xs_domain_open"); perror("xs_domain_open");
exit(1); exit(1);
} }
if (argc < 2) { switch (argc) {
fprintf(stderr, "usage: %s new\n" case 2:
"%s send vmname\n", argv[0], argv[0]); break;
exit(1); case 3:
} check_name((unsigned char *) argv[2]);
if (argc > 2) {
if (!check_name((unsigned char*)argv[2])) {
fprintf(stderr, "invalid vmname %s\n", argv[2]);
exit(1);
}
snprintf(buf, sizeof(buf), "send %s", argv[2]); snprintf(buf, sizeof(buf), "send %s", argv[2]);
break;
case 4:
check_name((unsigned char *) argv[2]);
check_name((unsigned char *) argv[3]);
snprintf(buf, sizeof(buf), "send %s %s", argv[2], argv[3]);
default:
usage(argv[0]);
} }
if (!xs_write(xs, 0, "device/qpen", buf, strlen(buf))) { if (!xs_write(xs, 0, "device/qpen", buf, strlen(buf))) {
perror("xs_write"); perror("xs_write");
exit(1); exit(1);