rooty/yubico-pam
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Merge branch 'pr-160'

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This commit is contained in:
Klas Lindfors 2018-05-07 08:42:58 +02:00
commit 38e494cd74
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1 changed files with 14 additions and 5 deletions
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17
ykpamcfg.c
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@ -39,6 +39,7 @@
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/types.h> #include <sys/types.h>
#include <fcntl.h> #include <fcntl.h>
#include <limits.h>
#include <ykpers.h> #include <ykpers.h>
@ -104,7 +105,10 @@ parse_args(int argc, char **argv,
*slot = 2; *slot = 2;
break; break;
case 'A': case 'A':
strncpy(*action, optarg, ACTION_MAX_LEN); if (snprintf(*action, ACTION_MAX_LEN, "%s", optarg) >= ACTION_MAX_LEN) {
fprintf(stderr, "action too long: %s\n", optarg);
exit(1);
}
break; break;
case 'p': case 'p':
*output_dir = optarg; *output_dir = optarg;
@ -164,8 +168,13 @@ do_add_hmac_chalresp(YK_KEY *yk, uint8_t slot, bool verbose, char *output_dir, u
*/ */
if (!output_dir){ if (!output_dir){
char fullpath[256]; char fullpath[PATH_MAX];
snprintf(fullpath, 256,"%s/.yubico",p->pw_dir); int i = snprintf(fullpath, PATH_MAX, "%s/.yubico", p->pw_dir);
if (i < 0 || i >= PATH_MAX) {
fprintf(stderr, "Failed to construct fullpath: %s\n", p->pw_dir);
goto out;
}
//check if directory exists //check if directory exists
if (stat(fullpath,&st)!=0 ){ if (stat(fullpath,&st)!=0 ){
@ -283,7 +292,7 @@ main(int argc, char **argv)
ykp_errno = 0; ykp_errno = 0;
yk_errno = 0; yk_errno = 0;
strcpy (action, ACTION_ADD_HMAC_CHALRESP); strncpy(action, ACTION_ADD_HMAC_CHALRESP, ACTION_MAX_LEN);
if (! parse_args(argc, argv, if (! parse_args(argc, argv,
&slot, &verbose, &slot, &verbose,