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Viewing changes to plugins.d/plymouth.c

working new feature: network-hooks - Enables user-scripts to take up
                     interfaces during bootup

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plugins.d/plymouth.c
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 * along with this program.  If not, see
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 * <http://www.gnu.org/licenses/>.
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 * 
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 * Contact the authors at <mandos@fukt.bsnet.se>.
 
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 * Contact the authors at <mandos@recompile.se>.
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 */
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#define _GNU_SOURCE             /* asprintf(), TEMP_FAILURE_RETRY() */
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#include <stddef.h>             /* NULL */
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#include <string.h>             /* strchr(), memcmp() */
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#include <stdio.h>              /* asprintf(), perror(), fopen(),
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                                   fscanf(), vasprintf(), fprintf(), vfprintf() */
 
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                                   fscanf(), vasprintf(), fprintf(),
 
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                                   vfprintf() */
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#include <unistd.h>             /* close(), readlink(), read(),
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                                   fork(), setsid(), chdir(), dup2(),
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                                   STDERR_FILENO, execv(), access() */
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#include <stdarg.h>             /* va_list, va_start(), ... */
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sig_atomic_t interrupted_by_signal = 0;
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const char plymouth_pid[] = "/dev/.initramfs/plymouth.pid";
 
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/* Used by Ubuntu 11.04 (Natty Narwahl) */
 
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const char plymouth_old_pid[] = "/dev/.initramfs/plymouth.pid";
 
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/* Used by Ubuntu 11.10 (Oneiric Ocelot) */
 
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const char plymouth_pid[] = "/run/initramfs/plymouth.pid";
 
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const char plymouth_path[] = "/bin/plymouth";
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const char plymouthd_path[] = "/sbin/plymouthd";
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const char *plymouthd_default_argv[] = {"/sbin/plymouthd",
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                                        "--mode=boot",
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                                        "--attach-to-session",
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                                        "--pid-file="
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                                        "/dev/.initramfs/"
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                                        "plymouth.pid",
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                                        NULL };
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static void termination_handler(__attribute__((unused))int signum){
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}
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/* Function to use when printing errors */
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void error_plus(int status, int errnum, const char *formatstring, ...){
 
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void error_plus(int status, int errnum, const char *formatstring,
 
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                ...){
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  va_list ap;
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  char *text;
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  int ret;
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  va_start(ap, formatstring);
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  ret = vasprintf(&text, formatstring, ap);
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  if (ret == -1){
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    fprintf(stderr, "Mandos plugin %s: ", program_invocation_short_name);
 
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    fprintf(stderr, "Mandos plugin %s: ",
 
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            program_invocation_short_name);
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    vfprintf(stderr, formatstring, ap);
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    fprintf(stderr, ": ");
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    fprintf(stderr, "%s\n", strerror(errnum));
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pid_t get_pid(void){
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  int ret;
 
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  uintmax_t maxvalue = 0;
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  FILE *pidfile = fopen(plymouth_pid, "r");
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  uintmax_t maxvalue = 0;
 
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  /* Try the new pid file location */
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  if(pidfile != NULL){
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    ret = fscanf(pidfile, "%" SCNuMAX, &maxvalue);
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    if(ret != 1){
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    }
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    fclose(pidfile);
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  }
 
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  /* Try the old pid file location */
 
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  if(maxvalue == 0){
 
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    pidfile = fopen(plymouth_pid, "r");
 
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    if(pidfile != NULL){
 
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      ret = fscanf(pidfile, "%" SCNuMAX, &maxvalue);
 
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      if(ret != 1){
 
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        maxvalue = 0;
 
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      }
 
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      fclose(pidfile);
 
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    }
 
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  }
 
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  /* Look for a plymouth process */
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  if(maxvalue == 0){
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    struct dirent **direntries = NULL;
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    ret = scandir("/proc", &direntries, is_plymouth, alphasort);
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      }
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    }
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    /* scandir might preallocate for this variable (man page unclear).
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       even if ret == 0, we need to free it. */
 
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       even if ret == 0, therefore we need to free it. */
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    free(direntries);
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  }
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  pid_t pid;