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-rw-r--r--pw/pw.c179
1 files changed, 138 insertions, 41 deletions
diff --git a/pw/pw.c b/pw/pw.c
index ff48db7..30fb55b 100644
--- a/pw/pw.c
+++ b/pw/pw.c
@@ -33,6 +33,7 @@ static const char rcsid[] =
#include <fcntl.h>
#include <locale.h>
#include <paths.h>
+#include <stdbool.h>
#include <sys/wait.h>
#include "pw.h"
@@ -56,7 +57,7 @@ static const char *Combo2[] = {
struct pwf PWF =
{
- 0,
+ PWF_REGULAR,
setpwent,
endpwent,
getpwent,
@@ -71,7 +72,7 @@ struct pwf PWF =
};
struct pwf VPWF =
{
- 1,
+ PWF_ALT,
vsetpwent,
vendpwent,
vgetpwent,
@@ -84,6 +85,8 @@ struct pwf VPWF =
vgetgrnam,
};
+struct pwconf conf;
+
static struct cargs arglist;
static int getindex(const char *words[], const char *word);
@@ -96,36 +99,45 @@ main(int argc, char *argv[])
int ch;
int mode = -1;
int which = -1;
+ long id = -1;
char *config = NULL;
- struct userconf *cnf;
struct stat st;
+ const char *errstr;
+ char arg, *name;
+ bool relocated, nis;
static const char *opts[W_NUM][M_NUM] =
{
{ /* user */
- "V:C:qn:u:c:d:e:p:g:G:mM:k:s:oL:i:w:h:H:Db:NPy:Y",
- "V:C:qn:u:rY",
- "V:C:qn:u:c:d:e:p:g:G:mM:l:k:s:w:L:h:H:FNPY",
- "V:C:qn:u:FPa7",
- "V:C:q",
- "V:C:q",
- "V:C:q"
+ "R:V:C:qn:u:c:d:e:p:g:G:mM:k:s:oL:i:w:h:H:Db:NPy:Y",
+ "R:V:C:qn:u:rY",
+ "R:V:C:qn:u:c:d:e:p:g:G:mM:l:k:s:w:L:h:H:FNPY",
+ "R:V:C:qn:u:FPa7",
+ "R:V:C:q",
+ "R:V:C:q",
+ "R:V:C:q"
},
{ /* grp */
- "V:C:qn:g:h:H:M:opNPY",
- "V:C:qn:g:Y",
- "V:C:qn:d:g:l:h:H:FM:m:NPY",
- "V:C:qn:g:FPa",
- "V:C:q"
+ "R:V:C:qn:g:h:H:M:opNPY",
+ "R:V:C:qn:g:Y",
+ "R:V:C:qn:d:g:l:h:H:FM:m:NPY",
+ "R:V:C:qn:g:FPa",
+ "R:V:C:q"
}
};
- static int (*funcs[W_NUM]) (struct userconf * _cnf, int _mode, struct cargs * _args) =
+ static int (*funcs[W_NUM]) (int _mode, char *_name, long _id,
+ struct cargs * _args) =
{ /* Request handlers */
pw_user,
pw_group
};
+ name = NULL;
+ relocated = nis = false;
+ memset(&conf, 0, sizeof(conf));
+ strlcpy(conf.etcpath, _PATH_PWD, sizeof(conf.etcpath));
+
LIST_INIT(&arglist);
(void)setlocale(LC_ALL, "");
@@ -141,7 +153,12 @@ main(int argc, char *argv[])
/*
* Special case, allow pw -V<dir> <operation> [args] for scripts etc.
*/
- if (argv[1][1] == 'V') {
+ arg = argv[1][1];
+ if (arg == 'V' || arg == 'R') {
+ if (relocated)
+ errx(EXIT_FAILURE, "Both '-R' and '-V' "
+ "specified, only one accepted");
+ relocated = true;
optarg = &argv[1][2];
if (*optarg == '\0') {
if (stat(argv[2], &st) != 0)
@@ -155,7 +172,14 @@ main(int argc, char *argv[])
++argv;
--argc;
}
- addarg(&arglist, 'V', optarg);
+ memcpy(&PWF, &VPWF, sizeof PWF);
+ if (arg == 'R') {
+ strlcpy(conf.rootdir, optarg,
+ sizeof(conf.rootdir));
+ PWF._altdir = PWF_ROOTDIR;
+ }
+ snprintf(conf.etcpath, sizeof(conf.etcpath),
+ "%s%s", optarg, arg == 'R' ? "/etc" : "");
} else
break;
}
@@ -170,9 +194,15 @@ main(int argc, char *argv[])
mode = tmp % M_NUM;
} else if (strcmp(argv[1], "help") == 0 && argv[2] == NULL)
cmdhelp(mode, which);
- else if (which != -1 && mode != -1)
- addarg(&arglist, 'n', argv[1]);
- else
+ else if (which != -1 && mode != -1) {
+ if (strspn(argv[1], "0123456789") == strlen(argv[1])) {
+ id = strtonum(argv[1], 0, LONG_MAX, &errstr);
+ if (errstr != NULL)
+ errx(EX_USAGE, "Bad id '%s': %s",
+ argv[1], errstr);
+ } else
+ name = argv[1];
+ } else
errx(EX_USAGE, "unknown keyword `%s'", argv[1]);
++argv;
--argc;
@@ -191,17 +221,82 @@ main(int argc, char *argv[])
optarg = NULL;
while ((ch = getopt(argc, argv, opts[which][mode])) != -1) {
- if (ch == '?')
+ switch (ch) {
+ case '?':
errx(EX_USAGE, "unknown switch");
- else
+ break;
+ case '7':
+ conf.v7 = true;
+ break;
+ case 'C':
+ conf.config = optarg;
+ config = conf.config;
+ break;
+ case 'N':
+ conf.dryrun = true;
+ break;
+ case 'l':
+ if (strlen(optarg) >= MAXLOGNAME)
+ errx(EX_USAGE, "new name too long: %s", optarg);
+ conf.newname = optarg;
+ break;
+ case 'P':
+ conf.pretty = true;
+ break;
+ case 'Y':
+ nis = true;
+ break;
+ case 'g':
+ if (which == 0) { /* for user* */
+ addarg(&arglist, 'g', optarg);
+ break;
+ }
+ if (strspn(optarg, "0123456789") != strlen(optarg))
+ errx(EX_USAGE, "-g expects a number");
+ id = strtonum(optarg, 0, LONG_MAX, &errstr);
+ if (errstr != NULL)
+ errx(EX_USAGE, "Bad id '%s': %s", optarg,
+ errstr);
+ break;
+ case 'u':
+ if (strspn(optarg, "0123456789,") != strlen(optarg))
+ errx(EX_USAGE, "-u expects a number");
+ if (strchr(optarg, ',') != NULL) {
+ addarg(&arglist, 'u', optarg);
+ break;
+ }
+ id = strtonum(optarg, 0, LONG_MAX, &errstr);
+ if (errstr != NULL)
+ errx(EX_USAGE, "Bad id '%s': %s", optarg,
+ errstr);
+ break;
+ case 'n':
+ if (strspn(optarg, "0123456789") != strlen(optarg)) {
+ name = optarg;
+ break;
+ }
+ id = strtonum(optarg, 0, LONG_MAX, &errstr);
+ if (errstr != NULL)
+ errx(EX_USAGE, "Bad id '%s': %s", optarg,
+ errstr);
+ break;
+ case 'o':
+ conf.checkduplicate = true;
+ break;
+ default:
addarg(&arglist, ch, optarg);
+ break;
+ }
optarg = NULL;
}
+ if (name != NULL && strlen(name) >= MAXLOGNAME)
+ errx(EX_USAGE, "name too long: %s", name);
+
/*
* Must be root to attempt an update
*/
- if (geteuid() != 0 && mode != M_PRINT && mode != M_NEXT && getarg(&arglist, 'N')==NULL)
+ if (geteuid() != 0 && mode != M_PRINT && mode != M_NEXT && !conf.dryrun)
errx(EX_NOPERM, "you must be root to run this program");
/*
@@ -215,33 +310,24 @@ main(int argc, char *argv[])
* Set our base working path if not overridden
*/
- config = getarg(&arglist, 'C') ? getarg(&arglist, 'C')->val : NULL;
-
- if (getarg(&arglist, 'V') != NULL) {
- char * etcpath = getarg(&arglist, 'V')->val;
- if (*etcpath) {
- if (config == NULL) { /* Only override config location if -C not specified */
- config = malloc(MAXPATHLEN);
- snprintf(config, MAXPATHLEN, "%s/pw.conf", etcpath);
- }
- memcpy(&PWF, &VPWF, sizeof PWF);
- setpwdir(etcpath);
- setgrdir(etcpath);
- }
+ if (config == NULL) { /* Only override config location if -C not specified */
+ asprintf(&config, "%s/pw.conf", conf.etcpath);
+ if (config == NULL)
+ errx(EX_OSERR, "out of memory");
}
/*
* Now, let's do the common initialisation
*/
- cnf = read_userconfig(config);
+ conf.userconf = read_userconfig(config);
- ch = funcs[which] (cnf, mode, &arglist);
+ ch = funcs[which] (mode, name, id, &arglist);
/*
* If everything went ok, and we've been asked to update
* the NIS maps, then do it now
*/
- if (ch == EXIT_SUCCESS && getarg(&arglist, 'Y') != NULL) {
+ if (ch == EXIT_SUCCESS && nis) {
pid_t pid;
fflush(NULL);
@@ -259,7 +345,7 @@ main(int argc, char *argv[])
if ((i = WEXITSTATUS(i)) != 0)
errx(ch, "make exited with status %d", i);
else
- pw_log(cnf, mode, which, "NIS maps updated");
+ pw_log(conf.userconf, mode, which, "NIS maps updated");
}
}
return ch;
@@ -302,6 +388,7 @@ cmdhelp(int mode, int which)
{
"usage: pw useradd [name] [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-C config configuration file\n"
"\t-q quiet operation\n"
" Adding users:\n"
@@ -324,6 +411,7 @@ cmdhelp(int mode, int which)
"\t-N no update\n"
" Setting defaults:\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-D set user defaults\n"
"\t-b dir default home root dir\n"
"\t-e period default expiry period\n"
@@ -340,12 +428,14 @@ cmdhelp(int mode, int which)
"\t-y path set NIS passwd file path\n",
"usage: pw userdel [uid|name] [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-n name login name\n"
"\t-u uid user id\n"
"\t-Y update NIS maps\n"
"\t-r remove home & contents\n",
"usage: pw usermod [uid|name] [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-C config configuration file\n"
"\t-q quiet operation\n"
"\t-F force add if no user\n"
@@ -369,6 +459,7 @@ cmdhelp(int mode, int which)
"\t-N no update\n",
"usage: pw usershow [uid|name] [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-n name login name\n"
"\t-u uid user id\n"
"\t-F force print\n"
@@ -377,6 +468,7 @@ cmdhelp(int mode, int which)
"\t-7 print in v7 format\n",
"usage: pw usernext [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-C config configuration file\n"
"\t-q quiet operation\n",
"usage pw: lock [switches]\n"
@@ -391,6 +483,7 @@ cmdhelp(int mode, int which)
{
"usage: pw groupadd [group|gid] [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-C config configuration file\n"
"\t-q quiet operation\n"
"\t-n group group name\n"
@@ -401,11 +494,13 @@ cmdhelp(int mode, int which)
"\t-N no update\n",
"usage: pw groupdel [group|gid] [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-n name group name\n"
"\t-g gid group id\n"
"\t-Y update NIS maps\n",
"usage: pw groupmod [group|gid] [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-C config configuration file\n"
"\t-q quiet operation\n"
"\t-F force add if not exists\n"
@@ -419,6 +514,7 @@ cmdhelp(int mode, int which)
"\t-N no update\n",
"usage: pw groupshow [group|gid] [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-n name group name\n"
"\t-g gid group id\n"
"\t-F force print\n"
@@ -426,6 +522,7 @@ cmdhelp(int mode, int which)
"\t-a print all accounting groups\n",
"usage: pw groupnext [switches]\n"
"\t-V etcdir alternate /etc location\n"
+ "\t-R rootir alternate root directory\n"
"\t-C config configuration file\n"
"\t-q quiet operation\n"
}
generated by cgit v1.2.3-56-ge451 (git 2.39.0) at 2024-07-10 00:16:59 +0000