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Add --chuid to gpg, gpg-card, and gpg-connect-agent.

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* g10/gpg.c (oChUid): New.
(opts): Add --chuid.
(main): Implement --chuid.  Delay setting of homedir until the new
chuid is done.
* sm/gpgsm.c (main): Delay setting of homedir until the new chuid is
done.
* tools/gpg-card.c (oChUid): New.
(opts): Add --chuid.
(changeuser): New helper var.
(main): Implement --chuid.
* tools/gpg-connect-agent.c (oChUid): New.
(opts): Add --chuid.
(main): Implement --chuid.
--

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-08-14 12:19:11 +02:00
parent 53d84f9815
commit 6bcb609e1b
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
7 changed files with 108 additions and 42 deletions
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9
tools/gpg-card.c
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@ -76,6 +76,7 @@ enum opt_values
oNoKeyLookup,
oNoHistory,
oChUid,
oDummy
};
@ -104,6 +105,7 @@ static gpgrt_opt_t opts[] = {
"use --no-key-lookup for \"list\""),
ARGPARSE_s_n (oNoHistory,"no-history",
"do not use the command history file"),
ARGPARSE_s_s (oChUid, "chuid", "@"),
ARGPARSE_end ()
};
@ -125,6 +127,8 @@ struct keyinfolabel_s
};
typedef struct keyinfolabel_s *keyinfolabel_t;
/* Helper for --chuid. */
static const char *changeuser;
/* Limit of size of data we read from a file for certain commands. */
#define MAX_GET_DATA_FROM_FILE 16384
@ -235,6 +239,8 @@ parse_arguments (gpgrt_argparse_t *pargs, gpgrt_opt_t *popts)
case oNoKeyLookup: opt.no_key_lookup = 1; break;
case oNoHistory: opt.no_history = 1; break;
case oChUid: changeuser = pargs->r.ret_str; break;
default: pargs->err = 2; break;
}
}
@ -279,6 +285,9 @@ main (int argc, char **argv)
parse_arguments (&pargs, opts);
gpgrt_argparse (NULL, &pargs, NULL); /* Release internal state. */
if (changeuser && gnupg_chuid (changeuser, 0))
log_inc_errorcount (); /* Force later termination. */
if (log_get_errorcount (0))
exit (2);