b2bc1f6927
If scandir(3) returns 0, the uninitialized value of execute_result will be returned.
105 lines
1.9 KiB
C
105 lines
1.9 KiB
C
#include <dirent.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <lib/prototypes.h>
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#include "run_part.h"
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#include "shadowlog_internal.h"
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int run_part (char *script_path, const char *name, const char *action)
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{
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int pid;
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int wait_status;
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int pid_status;
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char *args[] = { script_path, NULL };
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pid=fork();
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if (pid==-1) {
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perror ("Could not fork");
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return 1;
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}
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if (pid==0) {
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setenv ("ACTION",action,1);
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setenv ("SUBJECT",name,1);
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execv (script_path,args);
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perror ("execv");
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exit(1);
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}
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pid_status = wait (&wait_status);
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if (pid_status == pid) {
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return (wait_status);
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}
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perror ("waitpid");
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return (1);
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}
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int run_parts (const char *directory, const char *name, const char *action)
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{
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struct dirent **namelist;
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int scanlist;
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int n;
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int execute_result;
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scanlist = scandir (directory, &namelist, 0, alphasort);
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if (scanlist<=0) {
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return (0);
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}
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for (n=0; n<scanlist; n++) {
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int path_length;
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struct stat sb;
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path_length=strlen(directory) + strlen(namelist[n]->d_name) + 2;
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char *s = (char*)malloc(path_length);
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if (!s) {
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printf ("could not allocate memory\n");
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for (; n<scanlist; n++) {
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free (namelist[n]);
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}
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free (namelist);
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return (1);
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}
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snprintf (s, path_length, "%s/%s", directory, namelist[n]->d_name);
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execute_result = 0;
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if (stat (s, &sb) == -1) {
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perror ("stat");
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free (s);
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for (; n<scanlist; n++) {
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free (namelist[n]);
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}
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free (namelist);
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return (1);
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}
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if (S_ISREG (sb.st_mode) || S_ISLNK (sb.st_mode)) {
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execute_result = run_part (s, name, action);
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}
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free (s);
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if (execute_result!=0) {
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fprintf (shadow_logfd,
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"%s: did not exit cleanly.\n",
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namelist[n]->d_name);
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for (; n<scanlist; n++) {
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free (namelist[n]);
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}
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break;
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}
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free (namelist[n]);
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}
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free (namelist);
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return (execute_result);
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}
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