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Correctly hide the command arguments.

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PR:		bin/76374
MFC after:	2 weeks
This commit is contained in:
Diomidis Spinellis 2005-01-17 21:46:13 +00:00
parent c8fbd1ec9b
commit a13476cc13
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=140394
1 changed files with 2 additions and 15 deletions
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17
secure/usr.bin/bdes/bdes.c
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@ -164,28 +164,15 @@ static int tobinhex(char, int);
static void usage(void);
int
main(int ac, char *av[])
main(int argc, char *argv[])
{
extern char *optarg; /* argument to option if any */
int i; /* counter in a for loop */
char *p; /* used to obtain the key */
DES_cblock msgbuf; /* I/O buffer */
int kflag; /* command-line encryptiooon key */
int argc; /* the real arg count */
char **argv; /* the real argument vector */
/*
* Hide the arguments from ps(1) by making private copies of them
* and clobbering the global (visible to ps(1)) ones.
*/
argc = ac;
ac = 1;
argv = malloc((argc + 1) * sizeof(char *));
for (i = 0; i < argc; ++i) {
argv[i] = strdup(av[i]);
MEMZERO(av[i], strlen(av[i]));
}
argv[argc] = NULL;
setproctitle("-"); /* Hide command-line arguments */
/* initialize the initialization vctor */
MEMZERO(ivec, 8);