shadow/lib/run_part.c

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C
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#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <lib/prototypes.h>
int run_part (char *script_path, char *name, char *action)
{
int pid;
int wait_status;
int pid_status;
char *args[] = { script_path, NULL };
pid=fork();
if (pid==-1){
perror ("Could not fork");
return 1;
}
if (pid==0) {
setenv ("ACTION",action,1);
setenv ("SUBJECT",name,1);
execv (script_path,args);
perror ("execv");
exit(1);
}
pid_status = wait (&wait_status);
if (pid_status == pid) {
return (wait_status);
}
perror ("waitpid");
return (1);
}
int run_parts (char *directory, char *name, char *action)
{
struct dirent **namelist;
int scanlist;
int n;
int execute_result;
scanlist = scandir (directory, &namelist, 0, alphasort);
if (scanlist<0) {
return (0);
}
for (n=0; n<scanlist; n++) {
int path_length;
struct stat sb;
path_length=strlen(directory) + strlen(namelist[n]->d_name) + 2;
char *s = (char*)malloc(path_length);
if (!s) {
printf ("could not allocate memory\n");
for (; n<scanlist; n++) {
free (namelist[n]);
}
free (namelist);
return (1);
}
snprintf (s, path_length, "%s/%s", directory, namelist[n]->d_name);
execute_result = 0;
if (stat (s, &sb) == -1) {
perror ("stat");
free (s);
for (; n<scanlist; n++) {
free (namelist[n]);
}
free (namelist);
return (1);
}
if (S_ISREG (sb.st_mode) || S_ISLNK (sb.st_mode)) {
execute_result = run_part (s, name, action);
}
free (s);
if (execute_result!=0) {
fprintf (shadow_logfd,
"%s: did not exit cleanly.\n",
namelist[n]->d_name);
for (; n<scanlist; n++) {
free (namelist[n]);
}
break;
}
free (namelist[n]);
}
free (namelist);
return (execute_result);
}