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Add --max-execution-time option

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This commit is contained in:
Dianne Skoll
2024-06-02 12:56:46 -04:00
parent 243e816523
commit fafb30db05
1 changed files with 17 additions and 0 deletions
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17
src/init.c
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@@ -30,6 +30,7 @@
#include <unistd.h> #include <unistd.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <termios.h> #include <termios.h>
#include <signal.h>
#ifdef HAVE_INITGROUPS #ifdef HAVE_INITGROUPS
#include <grp.h> #include <grp.h>
@@ -1013,14 +1014,30 @@ AddTrustedUser(char const *username)
TrustedUsers[NumTrustedUsers] = pwent->pw_uid; TrustedUsers[NumTrustedUsers] = pwent->pw_uid;
NumTrustedUsers++; NumTrustedUsers++;
} }
static void
sigalarm(int)
{
write(STDOUT_FILENO, "\nExecution time exceeded.\n", 26);
exit(1);
}
static void static void
ProcessLongOption(char const *arg) ProcessLongOption(char const *arg)
{ {
int t;
if (!strcmp(arg, "version")) { if (!strcmp(arg, "version")) {
printf("%s\n", VERSION); printf("%s\n", VERSION);
exit(EXIT_SUCCESS); exit(EXIT_SUCCESS);
} }
if (sscanf(arg, "max-execution-time=%d", &t) == 1) {
if (t <= 0) {
fprintf(ErrFp, "%s: Value of --max-execution-time must be positive\n", ArgV[0]);
return;
}
signal(SIGALRM, sigalarm);
alarm(t);
return;
}
fprintf(ErrFp, "%s: Unknown long option --%s\n", ArgV[0], arg); fprintf(ErrFp, "%s: Unknown long option --%s\n", ArgV[0], arg);
} }