X-Git-Url: https://git.cameronkatri.com/pw-darwin.git/blobdiff_plain/d13ab4fd48f03e64abf378665d5fe7e7cf53c379..4094297a53a478f9ed7c4160ed63842a19717ba9:/pw/pw_user.c diff --git a/pw/pw_user.c b/pw/pw_user.c index 33968ee..8cffac9 100644 --- a/pw/pw_user.c +++ b/pw/pw_user.c @@ -31,13 +31,12 @@ static const char rcsid[] = #endif /* not lint */ #include -#include -#include #include #include #include #include +#include #include #include #include @@ -84,12 +83,79 @@ 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 +mkdir_home_parents(int dfd, const char *dir) +{ + struct stat st; + char *dirs, *tmp; + + if (*dir != '/') + errx(EX_DATAERR, "invalid base directory for home '%s'", dir); + + dir++; + + if (fstatat(dfd, dir, &st, 0) != -1) { + if (S_ISDIR(st.st_mode)) + return; + errx(EX_OSFILE, "root home `/%s' is not a directory", dir); + } + + dirs = strdup(dir); + if (dirs == NULL) + errx(EX_UNAVAILABLE, "out of memory"); + + tmp = strrchr(dirs, '/'); + if (tmp == NULL) { + free(dirs); + return; + } + tmp[0] = '\0'; + + /* + * This is a kludge especially for Joerg :) + * If the home directory would be created in the root partition, then + * we really create it under /usr which is likely to have more space. + * But we create a symlink from cnf->home -> "/usr" -> cnf->home + */ + if (strchr(dirs, '/') == NULL) { + asprintf(&tmp, "usr/%s", dirs); + if (tmp == NULL) + errx(EX_UNAVAILABLE, "out of memory"); + if (mkdirat(dfd, tmp, _DEF_DIRMODE) != -1 || errno == EEXIST) { + fchownat(dfd, tmp, 0, 0, 0); + symlinkat(tmp, dfd, dirs); + } + free(tmp); + } + tmp = dirs; + if (fstatat(dfd, dirs, &st, 0) == -1) { + while ((tmp = strchr(tmp + 1, '/')) != NULL) { + *tmp = '\0'; + if (fstatat(dfd, dirs, &st, 0) == -1) { + if (mkdirat(dfd, dirs, _DEF_DIRMODE) == -1) + err(EX_OSFILE, "'%s' (root home parent) is not a directory", dirs); + } + *tmp = '/'; + } + } + if (fstatat(dfd, dirs, &st, 0) == -1) { + if (mkdirat(dfd, dirs, _DEF_DIRMODE) == -1) + err(EX_OSFILE, "'%s' (root home parent) is not a directory", dirs); + fchownat(dfd, dirs, 0, 0, 0); + } + + free(dirs); +} + static void create_and_populate_homedir(struct userconf *cnf, struct passwd *pwd, const char *skeldir, mode_t homemode, bool update) { int skelfd = -1; + /* Create home parents directories */ + mkdir_home_parents(conf.rootfd, pwd->pw_dir); + if (skeldir != NULL && *skeldir != '\0') { if (*skeldir == '/') skeldir++; @@ -206,7 +272,7 @@ pw_userlock(char *arg1, int mode) char *passtmp = NULL; char *name; bool locked = false; - uid_t id; + uid_t id = (uid_t)-1; if (geteuid() != 0) errx(EX_NOPERM, "you must be root"); @@ -214,15 +280,19 @@ pw_userlock(char *arg1, int mode) if (arg1 == NULL) errx(EX_DATAERR, "username or id required"); - if (strspn(arg1, "0123456789") == strlen(arg1)) - id = pw_checkid(arg1, UID_MAX); - else - name = arg1; + name = arg1; + if (arg1[strspn(name, "0123456789")] == '\0') + id = pw_checkid(name, UID_MAX); - pwd = (name != NULL) ? GETPWNAM(pw_checkname(name, 0)) : GETPWUID(id); + pwd = GETPWNAM(pw_checkname(name, 0)); + if (pwd == NULL && id != (uid_t)-1) { + pwd = GETPWUID(id); + if (pwd != NULL) + name = pwd->pw_name; + } if (pwd == NULL) { - if (name == NULL) - errx(EX_NOUSER, "no such uid `%ju'", (uintmax_t) id); + if (id == (uid_t)-1) + errx(EX_NOUSER, "no such name or uid `%ju'", (uintmax_t) id); errx(EX_NOUSER, "no such user `%s'", name); } @@ -570,7 +640,8 @@ pw_checkname(char *name, int gecos) } if (!reject) { while (*ch) { - if (strchr(badchars, *ch) != NULL || *ch < ' ' || + if (strchr(badchars, *ch) != NULL || + (!gecos && *ch < ' ') || *ch == 127) { reject = 1; break; @@ -671,13 +742,13 @@ pw_user_next(int argc, char **argv, char *name __unused) bool quiet = false; uid_t next; - while ((ch = getopt(argc, argv, "Cq")) != -1) { + while ((ch = getopt(argc, argv, "C:q")) != -1) { switch (ch) { case 'C': cfg = optarg; break; case 'q': - quiet; + quiet = true; break; } } @@ -700,7 +771,7 @@ pw_user_show(int argc, char **argv, char *arg1) { struct passwd *pwd = NULL; char *name = NULL; - uid_t id = -1; + intmax_t id = -1; int ch; bool all = false; bool pretty = false; @@ -709,7 +780,7 @@ pw_user_show(int argc, char **argv, char *arg1) bool quiet = false; if (arg1 != NULL) { - if (strspn(arg1, "0123456789") == strlen(arg1)) + if (arg1[strspn(arg1, "0123456789")] == '\0') id = pw_checkid(arg1, UID_MAX); else name = arg1; @@ -738,7 +809,7 @@ pw_user_show(int argc, char **argv, char *arg1) case 'a': all = true; break; - case 7: + case '7': v7 = true; break; } @@ -786,14 +857,14 @@ pw_user_del(int argc, char **argv, char *arg1) char home[MAXPATHLEN]; const char *cfg = NULL; struct stat st; - uid_t id; + intmax_t id = -1; int ch, rc; bool nis = false; bool deletehome = false; bool quiet = false; if (arg1 != NULL) { - if (strspn(arg1, "0123456789") == strlen(arg1)) + if (arg1[strspn(arg1, "0123456789")] == '\0') id = pw_checkid(arg1, UID_MAX); else name = arg1; @@ -1124,7 +1195,7 @@ pw_user_add(int argc, char **argv, char *arg1) err(EXIT_FAILURE, "calloc()"); if (arg1 != NULL) { - if (strspn(arg1, "0123456789") == strlen(arg1)) + if (arg1[strspn(arg1, "0123456789")] == '\0') id = pw_checkid(arg1, UID_MAX); else name = arg1; @@ -1244,7 +1315,7 @@ pw_user_add(int argc, char **argv, char *arg1) mix_config(cmdcnf, cnf); if (default_passwd) - cmdcnf->default_password = boolean_val(default_passwd, + cmdcnf->default_password = passwd_val(default_passwd, cnf->default_password); if (genconf) { if (name != NULL) @@ -1422,19 +1493,20 @@ pw_user_mod(int argc, char **argv, char *arg1) intmax_t id = -1; int ch, fd = -1; size_t i, j; - bool quiet, createhome, pretty, dryrun, nis, edited, docreatehome; + bool quiet, createhome, pretty, dryrun, nis, edited; + bool precrypted; mode_t homemode = 0; - time_t expire_days, password_days, now, precrypted; + time_t expire_days, password_days, now; expire_days = password_days = -1; gecos = homedir = grname = name = newname = skel = shell =NULL; passwd = NULL; class = nispasswd = NULL; quiet = createhome = pretty = dryrun = nis = precrypted = false; - edited = docreatehome = false; + edited = false; if (arg1 != NULL) { - if (strspn(arg1, "0123456789") == strlen(arg1)) + if (arg1[strspn(arg1, "0123456789")] == '\0') id = pw_checkid(arg1, UID_MAX); else name = arg1; @@ -1580,7 +1652,7 @@ pw_user_mod(int argc, char **argv, char *arg1) } } - if (id > 0 && pwd->pw_uid != id) { + if (id >= 0 && pwd->pw_uid != id) { pwd->pw_uid = id; edited = true; if (pwd->pw_uid != 0 && strcmp(pwd->pw_name, "root") == 0) @@ -1627,12 +1699,11 @@ pw_user_mod(int argc, char **argv, char *arg1) if (homedir && strcmp(pwd->pw_dir, homedir) != 0) { pwd->pw_dir = homedir; + edited = true; if (fstatat(conf.rootfd, pwd->pw_dir, &st, 0) == -1) { if (!createhome) warnx("WARNING: home `%s' does not exist", pwd->pw_dir); - else - docreatehome = true; } else if (!S_ISDIR(st.st_mode)) { warnx("WARNING: home `%s' is not a directory", pwd->pw_dir); @@ -1644,6 +1715,8 @@ pw_user_mod(int argc, char **argv, char *arg1) if (lc == NULL || login_setcryptfmt(lc, "sha512", NULL) == NULL) warn("setting crypt(3) format"); login_close(lc); + cnf->default_password = passwd_val(passwd, + cnf->default_password); pwd->pw_passwd = pw_password(cnf, pwd->pw_name, dryrun); edited = true; } @@ -1722,7 +1795,7 @@ pw_user_mod(int argc, char **argv, char *arg1) * that this also `works' for editing users if -m is used, but * existing files will *not* be overwritten. */ - if (PWALTDIR() != PWF_ALT && docreatehome && pwd->pw_dir && + if (PWALTDIR() != PWF_ALT && createhome && pwd->pw_dir && *pwd->pw_dir == '/' && pwd->pw_dir[1]) { if (!skel) skel = cnf->dotdir;