From f1cacd691c6b62757f4a0168eded3d8672a06b13 Mon Sep 17 00:00:00 2001 From: Baptiste Daroussin Date: Wed, 3 Jun 2015 19:08:25 +0000 Subject: New pw -R rootdir option This allows to set an alternate root directory in which the users/groups will be manipulated Requested by: gjb, ian Tested by: gjb --- pw/pw.c | 79 +++++++++++++++++++++++++++++++++++++++--------------------- pw/pw_user.c | 44 ++++++++++++++++++++++++--------- pw/pwupd.h | 4 +++ 3 files changed, 89 insertions(+), 38 deletions(-) diff --git a/pw/pw.c b/pw/pw.c index 0c41f03..496ecd8 100644 --- a/pw/pw.c +++ b/pw/pw.c @@ -56,7 +56,7 @@ static const char *Combo2[] = { struct pwf PWF = { - 0, + PWF_REGULAR, setpwent, endpwent, getpwent, @@ -71,7 +71,7 @@ struct pwf PWF = }; struct pwf VPWF = { - 1, + PWF_ALT, vsetpwent, vendpwent, vgetpwent, @@ -99,24 +99,27 @@ main(int argc, char *argv[]) char *config = NULL; struct userconf *cnf; struct stat st; + char arg; + struct carg *carg; + char *etcpath = NULL; 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" } }; @@ -141,7 +144,8 @@ main(int argc, char *argv[]) /* * Special case, allow pw -V [args] for scripts etc. */ - if (argv[1][1] == 'V') { + arg = argv[1][1]; + if (arg == 'V' || arg == 'R') { optarg = &argv[1][2]; if (*optarg == '\0') { if (stat(argv[2], &st) != 0) @@ -155,7 +159,7 @@ main(int argc, char *argv[]) ++argv; --argc; } - addarg(&arglist, 'V', optarg); + addarg(&arglist, arg, optarg); } else break; } @@ -217,19 +221,29 @@ main(int argc, char *argv[]) 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 */ - asprintf(&config, "%s/pw.conf", etcpath); - if (config == NULL) - errx(EX_OSERR, "out of memory"); - } - memcpy(&PWF, &VPWF, sizeof PWF); - setpwdir(etcpath); - setgrdir(etcpath); + if ((carg = getarg(&arglist, 'R')) != NULL) { + asprintf(&etcpath, "%s/etc", carg->val); + if (etcpath == NULL) + errx(EX_OSERR, "out of memory"); + } + if (etcpath == NULL && (carg = getarg(&arglist, 'V')) != NULL) { + etcpath = strdup(carg->val); + if (etcpath == NULL) + errx(EX_OSERR, "out of memory"); + } + if (etcpath && *etcpath) { + if (config == NULL) { /* Only override config location if -C not specified */ + asprintf(&config, "%s/pw.conf", etcpath); + if (config == NULL) + errx(EX_OSERR, "out of memory"); } + setpwdir(etcpath); + setgrdir(etcpath); + memcpy(&PWF, &VPWF, sizeof PWF); + if (getarg(&arglist, 'R')) + PWF._altdir = PWF_ROOTDIR; } + free(etcpath); /* * Now, let's do the common initialisation @@ -303,6 +317,7 @@ 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" @@ -325,6 +340,7 @@ 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" @@ -341,12 +357,14 @@ 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" @@ -370,6 +388,7 @@ 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" @@ -378,6 +397,7 @@ 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" @@ -392,6 +412,7 @@ 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" @@ -402,11 +423,13 @@ 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" @@ -420,6 +443,7 @@ 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" @@ -427,6 +451,7 @@ 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" } diff --git a/pw/pw_user.c b/pw/pw_user.c index 48eb934..cb4c3de 100644 --- a/pw/pw_user.c +++ b/pw/pw_user.c @@ -63,6 +63,28 @@ static char *shell_path(char const * path, char *shells[], char *sh); static void rmat(uid_t uid); static void rmopie(char const * name); +static void +create_and_populate_homedir(int mode, struct cargs *args, struct passwd *pwd, + struct userconf *cnf) +{ + char *homedir, *dotdir; + struct carg *arg; + + homedir = dotdir = NULL; + + if ((arg = getarg(args, 'R'))) { + asprintf(&homedir, "%s/%s", arg->val, pwd->pw_dir); + if (homedir == NULL) + errx(EX_OSERR, "out of memory"); + asprintf(&dotdir, "%s/%s", arg->val, cnf->dotdir); + } + + copymkdir(homedir ? homedir : pwd->pw_dir, dotdir ? dotdir: cnf->dotdir, + cnf->homemode, pwd->pw_uid, pwd->pw_gid); + pw_log(cnf, mode, W_USER, "%s(%u) home %s made", pwd->pw_name, + pwd->pw_uid, pwd->pw_dir); +} + /*- * -C config configuration file * -q quiet operation @@ -108,6 +130,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) struct group *grp; struct stat st; char line[_PASSWORD_LEN+1]; + char path[MAXPATHLEN]; FILE *fp; char *dmode_c; void *set = NULL; @@ -451,7 +474,7 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) pw_log(cnf, mode, W_USER, "%s(%u) account removed", a_name->val, uid); - if (!PWALTDIR()) { + if (PWALTDIR()) { /* * Remove mail file */ @@ -800,11 +823,13 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) * doesn't hurt anything to create the empty mailfile */ if (mode == M_ADD) { - if (!PWALTDIR()) { - snprintf(line, sizeof(line), "%s/%s", _PATH_MAILDIR, pwd->pw_name); - close(open(line, O_RDWR | O_CREAT, 0600)); /* Preserve contents & + if (PWALTDIR() != PWF_ALT) { + arg = getarg(args, 'R'); + snprintf(path, sizeof(path), "%s%s/%s", + arg ? arg->val : "", _PATH_MAILDIR, pwd->pw_name); + close(open(path, O_RDWR | O_CREAT, 0600)); /* Preserve contents & * mtime */ - chown(line, pwd->pw_uid, pwd->pw_gid); + chown(path, pwd->pw_uid, pwd->pw_gid); } } @@ -813,12 +838,9 @@ pw_user(struct userconf * cnf, int mode, struct cargs * args) * that this also `works' for editing users if -m is used, but * existing files will *not* be overwritten. */ - if (!PWALTDIR() && getarg(args, 'm') != NULL && pwd->pw_dir && *pwd->pw_dir == '/' && pwd->pw_dir[1]) { - copymkdir(pwd->pw_dir, cnf->dotdir, cnf->homemode, pwd->pw_uid, pwd->pw_gid); - pw_log(cnf, mode, W_USER, "%s(%u) home %s made", - pwd->pw_name, pwd->pw_uid, pwd->pw_dir); - } - + if (PWALTDIR() != PWF_ALT && getarg(args, 'm') != NULL && pwd->pw_dir && + *pwd->pw_dir == '/' && pwd->pw_dir[1]) + create_and_populate_homedir(mode, args, pwd, cnf); /* * Finally, send mail to the new user as well, if we are asked to diff --git a/pw/pwupd.h b/pw/pwupd.h index 1d13511..f936483 100644 --- a/pw/pwupd.h +++ b/pw/pwupd.h @@ -71,6 +71,10 @@ extern struct pwf VPWF; #define GETGRGID(gid) PWF._getgrgid(gid) #define GETGRNAM(nam) PWF._getgrnam(nam) +#define PWF_REGULAR 0 +#define PWF_ALT 1 +#define PWF_ROOTDIR 2 + #define PWALTDIR() PWF._altdir #ifndef _PATH_PWD #define _PATH_PWD "/etc" -- cgit v1.2.3-56-ge451