mirror of https://github.com/hak5/openwrt-owl.git
98 lines
1.8 KiB
Diff
98 lines
1.8 KiB
Diff
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--- a/src/utils/os_unix.c
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+++ b/src/utils/os_unix.c
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@@ -9,6 +9,7 @@
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#include "includes.h"
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#include <time.h>
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+#include <fcntl.h>
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#ifdef ANDROID
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#include <sys/capability.h>
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@@ -154,59 +155,46 @@ int os_gmtime(os_time_t t, struct os_tm
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return 0;
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}
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-
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-#ifdef __APPLE__
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-#include <fcntl.h>
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-static int os_daemon(int nochdir, int noclose)
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+int os_daemonize(const char *pid_file)
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{
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- int devnull;
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+ int pid = 0, i, devnull;
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- if (chdir("/") < 0)
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- return -1;
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+#if defined(__uClinux__) || defined(__sun__)
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+ return -1;
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+#else /* defined(__uClinux__) || defined(__sun__) */
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- devnull = open("/dev/null", O_RDWR);
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- if (devnull < 0)
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+#ifndef __APPLE__
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+ pid = fork();
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+ if (pid < 0)
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return -1;
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+#endif
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- if (dup2(devnull, STDIN_FILENO) < 0) {
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- close(devnull);
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- return -1;
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+ if (pid > 0) {
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+ if (pid_file) {
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+ FILE *f = fopen(pid_file, "w");
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+ if (f) {
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+ fprintf(f, "%u\n", pid);
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+ fclose(f);
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+ }
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+ }
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+ _exit(0);
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}
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- if (dup2(devnull, STDOUT_FILENO) < 0) {
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- close(devnull);
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+ if (setsid() < 0)
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return -1;
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- }
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- if (dup2(devnull, STDERR_FILENO) < 0) {
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- close(devnull);
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+ if (chdir("/") < 0)
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return -1;
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- }
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-
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- return 0;
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-}
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-#else /* __APPLE__ */
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-#define os_daemon daemon
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-#endif /* __APPLE__ */
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-
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-int os_daemonize(const char *pid_file)
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-{
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-#if defined(__uClinux__) || defined(__sun__)
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- return -1;
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-#else /* defined(__uClinux__) || defined(__sun__) */
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- if (os_daemon(0, 0)) {
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- perror("daemon");
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+ devnull = open("/dev/null", O_RDWR);
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+ if (devnull < 0)
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return -1;
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- }
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- if (pid_file) {
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- FILE *f = fopen(pid_file, "w");
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- if (f) {
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- fprintf(f, "%u\n", getpid());
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- fclose(f);
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- }
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- }
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+ for (i = 0; i <= STDERR_FILENO; i++)
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+ dup2(devnull, i);
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+
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+ if (devnull > 2)
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+ close(devnull);
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return -0;
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#endif /* defined(__uClinux__) || defined(__sun__) */
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