24
24
#define _GNU_SOURCE             /* TEMP_FAILURE_RETRY() */
 
26
 
#include <stdio.h>              /* popen(), fileno(), fprintf(),
 
27
 
                                   stderr, STDOUT_FILENO */
 
 
26
#include <stddef.h>             /* size_t, NULL */
 
 
27
#include <stdlib.h>             /* malloc(), exit(), EXIT_FAILURE,
 
 
28
                                   EXIT_SUCCESS, realloc() */
 
 
29
#include <stdbool.h>            /* bool, true, false */
 
 
30
#include <stdio.h>              /* perror, popen(), fileno(),
 
 
31
                                   fprintf(), stderr, STDOUT_FILENO */
 
 
32
#include <sys/types.h>          /* DIR, opendir(), stat(), struct
 
 
33
                                   stat, waitpid(), WIFEXITED(),
 
 
34
                                   WEXITSTATUS(), wait(), pid_t,
 
 
35
                                   uid_t, gid_t, getuid(), getgid(),
 
 
37
#include <sys/select.h>         /* fd_set, select(), FD_ZERO(),
 
 
38
                                   FD_SET(), FD_ISSET(), FD_CLR */
 
 
39
#include <sys/wait.h>           /* wait(), waitpid(), WIFEXITED(),
 
 
41
#include <sys/stat.h>           /* struct stat, stat(), S_ISREG() */
 
28
42
#include <iso646.h>             /* and, or, not */
 
29
 
#include <sys/types.h>          /* DIR, opendir(), stat(),
 
30
 
                                   struct stat, waitpid(),
 
31
 
                                   WIFEXITED(), WEXITSTATUS(),
 
33
 
#include <sys/wait.h>           /* wait() */
 
34
43
#include <dirent.h>             /* DIR, struct dirent, opendir(),
 
35
 
                                   readdir(), closedir() */
 
36
 
#include <sys/stat.h>           /* struct stat, stat(), S_ISREG() */
 
 
44
                                   readdir(), closedir(), dirfd() */
 
37
45
#include <unistd.h>             /* struct stat, stat(), S_ISREG(),
 
39
 
#include <fcntl.h>              /* fcntl() */
 
40
 
#include <stddef.h>             /* NULL */
 
41
 
#include <stdlib.h>             /* EXIT_FAILURE */
 
42
 
#include <sys/select.h>         /* fd_set, select(), FD_ZERO(),
 
43
 
                                   FD_SET(), FD_ISSET() */
 
44
 
#include <string.h>             /* strlen(), strcpy(), strcat() */
 
45
 
#include <stdbool.h>            /* true */
 
46
 
#include <sys/wait.h>           /* waitpid(), WIFEXITED(),
 
 
46
                                   fcntl(), setuid(), setgid(),
 
 
47
                                   F_GETFD, F_SETFD, FD_CLOEXEC,
 
 
48
                                   access(), pipe(), fork(), close()
 
 
49
                                   dup2, STDOUT_FILENO, _exit(),
 
 
50
                                   execv(), write(), read(),
 
 
52
#include <fcntl.h>              /* fcntl(), F_GETFD, F_SETFD,
 
 
54
#include <string.h>             /* strtok, strlen(), strcpy(),
 
48
56
#include <errno.h>              /* errno */
 
49
 
#include <argp.h>               /* struct argp_option,
 
50
 
                                   struct argp_state, struct argp,
 
 
57
#include <argp.h>               /* struct argp_option, struct
 
 
58
                                   argp_state, struct argp,
 
 
59
                                   argp_parse(), ARGP_ERR_UNKNOWN,
 
 
60
                                   ARGP_KEY_END, ARGP_KEY_ARG, error_t */
 
 
61
#include <signal.h>             /* struct sigaction, sigemptyset(),
 
 
62
                                   sigaddset(), sigaction(),
 
 
63
                                   sigprocmask(), SIG_BLOCK, SIGCHLD,
 
 
64
                                   SIG_UNBLOCK, kill() */
 
 
65
#include <errno.h>              /* errno, EBADF */
 
53
67
#define BUFFER_SIZE 256
 
 
69
const char *argp_program_version = "mandos-client 1.0";
 
 
70
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
 
57
74
typedef struct process{
 
 
563
606
          /* Bad exit by plugin */
 
565
608
            if(WIFEXITED(proc->status)){
 
566
 
              fprintf(stderr, "Plugin %d exited with status %d\n",
 
567
 
                      proc->pid, WEXITSTATUS(proc->status));
 
 
609
              fprintf(stderr, "Plugin %u exited with status %d\n",
 
 
610
                      (unsigned int) (proc->pid),
 
 
611
                      WEXITSTATUS(proc->status));
 
568
612
            } else if(WIFSIGNALED(proc->status)) {
 
569
 
              fprintf(stderr, "Plugin %d killed by signal %d\n",
 
570
 
                      proc->pid, WTERMSIG(proc->status));
 
 
613
              fprintf(stderr, "Plugin %u killed by signal %d\n",
 
 
614
                      (unsigned int) (proc->pid),
 
 
615
                      WTERMSIG(proc->status));
 
571
616
            } else if(WCOREDUMP(proc->status)){
 
572
 
              fprintf(stderr, "Plugin %d dumped core\n", proc->pid);
 
 
617
              fprintf(stderr, "Plugin %d dumped core\n",
 
 
618
                      (unsigned int) (proc->pid));
 
575
621
          /* Remove the plugin */