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added prompt support

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reworked parse_args()
This commit is contained in:
Todd C. Miller
1995-06-08 01:27:08 +00:00
parent d66c79ce23
commit 337897e2d8
1 changed files with 32 additions and 14 deletions
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46
sudo.c
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@@ -122,6 +122,7 @@ char **Argv;
char *cmnd = NULL;
char *user = NULL;
char *epasswd = NULL;
char *prompt = PASSPROMPT;
char host[MAXHOSTNAMELEN + 1];
char cwd[MAXPATHLEN + 1];
uid_t uid = (uid_t)-2;
@@ -179,6 +180,7 @@ main(argc, argv)
case MODE_BACKGROUND :
if (Argc == 1)
usage(1);
break;
}
/*
@@ -368,54 +370,70 @@ static void load_globals()
static int parse_args()
{
int ret=MODE_RUN; /* what mode is suod to be run in? */
int ret = MODE_RUN; /* what mode is suod to be run in? */
int excl = 0; /* exclusive arg, no others allowed */
char *progname = Argv[0]; /* so we can save Argv[0] */
int i;
if (Argc < 2) /* no options and no command */
usage(1);
if (Argv[1][0] == '-') {
if (Argc > 2 && Argv[2][0] == '-')
usage(1); /* only one -? option allowed */
while (Argc > 1 && Argv[1][0] == '-') {
if (Argv[1][1] != '\0' && Argv[1][2] != '\0') {
(void) fprintf(stderr, "%s: Please use single character options\n", Argv[0]);
(void) fprintf(stderr, "%s: Please use single character options\n",
progname);
usage(1);
}
if (excl)
usage(1); /* only one -? option allowed */
switch (Argv[1][1]) {
case 'p':
if (Argc < 3)
usage(1);
prompt = Argv[2];
/* shift Argv over and adjust Argc */
Argc--;
Argv++;
break;
case 'b':
ret = MODE_BACKGROUND;
/* shift Argv over and adjust Argc */
for (i=1; i < Argc; i++) {
Argv[i] = Argv[i+1];
}
Argc--;
break;
case 'v':
ret = MODE_VALIDATE;
excl++;
break;
case 'k':
ret = MODE_KILL;
excl++;
break;
case 'l':
ret = MODE_LIST;
excl++;
break;
case 'V':
ret = MODE_VERSION;
excl++;
break;
case 'h':
ret = MODE_HELP;
excl++;
break;
case '\0':
(void) fprintf(stderr, "%s: '-' requires an argument\n",
Argv[0]);
progname);
usage(1);
default:
(void) fprintf(stderr, "%s: Illegal option %s\n", Argv[0],
(void) fprintf(stderr, "%s: Illegal option %s\n", progname,
Argv[1]);
usage(1);
}
Argc--;
Argv++;
Argv[0] = progname;
}
return(ret);
@@ -433,7 +451,7 @@ static int parse_args()
static void usage(exit_val)
int exit_val;
{
(void) fprintf(stderr, "usage: %s -V | -h | -l | -b | -v | -k | <command>\n", Argv[0]);
(void) fprintf(stderr, "usage: %s -V | -h | -l | -b | -v | -k | [-p prompt] <command>\n", Argv[0]);
exit(exit_val);
}