static int invoke_gsyncd (int argc, char **argv) { char config_file[PATH_MAX] = {0,}; size_t gluster_workdir_len = 0; runner_t runner = {0,}; int i = 0; int j = 0; char *nargv[argc + 4]; if (restricted) { /* in restricted mode we forcibly use the system-wide config */ runinit (&runner); runner_add_args (&runner, SBIN_DIR"/gluster", "--log-file=-", "system::", "getwd", NULL); runner_redir (&runner, STDOUT_FILENO, RUN_PIPE); if (runner_start (&runner) == 0 && fgets (config_file, PATH_MAX, runner_chio (&runner, STDOUT_FILENO)) != NULL && config_file[strlen (config_file) - 1] == '\n' && runner_end (&runner) == 0) gluster_workdir_len = strlen (config_file) - 1; if (gluster_workdir_len) { if (gluster_workdir_len + 1 + strlen (GSYNCD_CONF) + 1 > PATH_MAX) goto error; config_file[gluster_workdir_len] = '/'; strcat (config_file, GSYNCD_CONF); } else goto error; if (setenv ("_GSYNCD_RESTRICTED_", "1", 1) == -1) goto error; } if (chdir ("/") == -1) goto error; j = 0; nargv[j++] = PYTHON; nargv[j++] = GSYNCD_PREFIX"/python/syncdaemon/"GSYNCD_PY; for (i = 1; i < argc; i++) nargv[j++] = argv[i]; if (config_file[0]) { nargv[j++] = "-c"; nargv[j++] = config_file; } nargv[j++] = NULL; execvp (PYTHON, nargv); fprintf (stderr, "exec of "PYTHON" failed\n"); return 127; error: fprintf (stderr, "gsyncd initializaion failed\n"); return 1; }
int runner_run_nowait (runner_t *runner) { int pid; pid = fork (); if (!pid) { setsid (); _exit (runner_start (runner)); } if (pid > 0) runner->chpid = pid; return runner_end (runner); }
int main () { runner_t runner; char buf[80]; char *wdbuf;; int ret; long pathmax = pathconf ("/", _PC_PATH_MAX); wdbuf = malloc (pathmax); assert (wdbuf); getcwd (wdbuf, pathmax); TBANNER ("basic functionality"); runcmd ("echo", "a", "b", NULL); TBANNER ("argv extension"); runcmd ("echo", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "100", NULL); TBANNER ("add_args, argprintf, log, and popen-style functionality"); runinit (&runner); runner_add_args (&runner, "echo", "pid:", NULL); runner_argprintf (&runner, "%d\n", getpid()); runner_add_arg (&runner, "wd:"); runner_add_arg (&runner, wdbuf); runner_redir (&runner, 1, RUN_PIPE); runner_start (&runner); runner_log (&runner, "(x)", LOG_DEBUG, "starting program"); while (fgets (buf, sizeof(buf), runner_chio (&runner, 1))) printf ("got: %s", buf); runner_end (&runner); TBANNER ("execve error reporting"); ret = runcmd ("bafflavvitty", NULL); printf ("%d %d [%s]\n", ret, errno, strerror (errno)); return 0; }
static int cli_check_gsync_present () { char buff[PATH_MAX] = {0, }; runner_t runner = {0,}; char *ptr = NULL; int ret = 0; ret = setenv ("_GLUSTERD_CALLED_", "1", 1); if (-1 == ret) { gf_log ("", GF_LOG_WARNING, "setenv syscall failed, hence could" "not assert if geo-replication is installed"); goto out; } runinit (&runner); runner_add_args (&runner, GSYNCD_PREFIX"/gsyncd", "--version", NULL); runner_redir (&runner, STDOUT_FILENO, RUN_PIPE); ret = runner_start (&runner); if (ret == -1) { gf_log ("", GF_LOG_INFO, "geo-replication not installed"); goto out; } ptr = fgets(buff, sizeof(buff), runner_chio (&runner, STDOUT_FILENO)); if (ptr) { if (!strstr (buff, "gsyncd")) { ret = -1; goto out; } } else { ret = -1; goto out; } ret = runner_end (&runner); if (ret) gf_log ("", GF_LOG_ERROR, "geo-replication not installed"); out: gf_log ("cli", GF_LOG_DEBUG, "Returning %d", ret); return ret ? -1 : 0; }
int main (int argc, char **argv) { runner_t runner; char buf[80]; char *wdbuf;; int ret; int fd; long pathmax = pathconf ("/", _PC_PATH_MAX); struct timeval tv = {0,}; struct timeval *tvp = NULL; wdbuf = malloc (pathmax); assert (wdbuf); getcwd (wdbuf, pathmax); TBANNER ("basic functionality"); runcmd ("echo", "a", "b", NULL); TBANNER ("argv extension"); runcmd ("echo", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "100", NULL); TBANNER ("add_args, argprintf, log, and popen-style functionality"); runinit (&runner); runner_add_args (&runner, "echo", "pid:", NULL); runner_argprintf (&runner, "%d\n", getpid()); runner_add_arg (&runner, "wd:"); runner_add_arg (&runner, wdbuf); runner_redir (&runner, 1, RUN_PIPE); runner_start (&runner); runner_log (&runner, "(x)", LOG_DEBUG, "starting program"); while (fgets (buf, sizeof(buf), runner_chio (&runner, 1))) printf ("got: %s", buf); runner_end (&runner); TBANNER ("execve error reporting"); ret = runcmd ("bafflavvitty", NULL); printf ("%d %d [%s]\n", ret, errno, strerror (errno)); TBANNER ("output redirection"); fd = mkstemp ("/tmp/foof"); assert (fd != -1); runinit (&runner); runner_add_args (&runner, "echo", "foo", NULL); runner_redir (&runner, 1, fd); ret = runner_run (&runner); printf ("%d", ret); if (ret != 0) printf (" %d [%s]", errno, strerror (errno)); putchar ('\n'); if (argc > 1) { tv.tv_sec = strtoul (argv[1], NULL, 10); if (tv.tv_sec > 0) tvp = &tv; select (0, 0, 0, 0, tvp); } return 0; }