diff options
| -rw-r--r-- | Makefile.am | 10 | ||||
| -rw-r--r-- | contrib/sssd.spec.in | 2 | ||||
| -rw-r--r-- | src/man/Makefile.am | 2 | ||||
| -rw-r--r-- | src/man/include/seealso.xml | 5 | ||||
| -rw-r--r-- | src/man/po/po4a.cfg | 1 | ||||
| -rw-r--r-- | src/man/sss_seed.8.xml | 165 | ||||
| -rw-r--r-- | src/tools/sss_seed.c | 829 |
7 files changed, 1011 insertions, 3 deletions
diff --git a/Makefile.am b/Makefile.am index 71d4db710..9b361a8ce 100644 --- a/Makefile.am +++ b/Makefile.am @@ -81,7 +81,8 @@ sbin_PROGRAMS = \ sss_groupmod \ sss_groupshow \ sss_cache \ - sss_debuglevel + sss_debuglevel \ + sss_seed sssdlibexec_PROGRAMS = \ sssd_nss \ @@ -722,6 +723,13 @@ sss_debuglevel_LDADD = \ libsss_util.la \ $(TOOLS_LIBS) +sss_seed_SOURCES = \ + src/tools/sss_seed.c \ + $(SSSD_TOOLS_OBJ) +sss_seed_LDADD = \ + libsss_util.la \ + $(TOOLS_LIBS) + if BUILD_SUDO sss_sudo_cli_SOURCES = \ src/sss_client/common.c \ diff --git a/contrib/sssd.spec.in b/contrib/sssd.spec.in index 15e9dda44..ccb2ce3ff 100644 --- a/contrib/sssd.spec.in +++ b/contrib/sssd.spec.in @@ -414,6 +414,7 @@ rm -rf $RPM_BUILD_ROOT %{_sbindir}/sss_obfuscate %{_sbindir}/sss_cache %{_sbindir}/sss_debuglevel +%{_sbindir}/sss_seed %{_mandir}/man8/sss_groupadd.8* %{_mandir}/man8/sss_groupdel.8* %{_mandir}/man8/sss_groupmod.8* @@ -424,6 +425,7 @@ rm -rf $RPM_BUILD_ROOT %{_mandir}/man8/sss_obfuscate.8* %{_mandir}/man8/sss_cache.8* %{_mandir}/man8/sss_debuglevel.8* +%{_mandir}/man8/sss_seed.8* %files -n libsss_idmap %defattr(-,root,root,-) diff --git a/src/man/Makefile.am b/src/man/Makefile.am index 4ed76c8ab..eb879802e 100644 --- a/src/man/Makefile.am +++ b/src/man/Makefile.am @@ -42,7 +42,7 @@ man_MANS = \ sssd.8 sssd.conf.5 sssd-ldap.5 \ sssd-krb5.5 sssd-ipa.5 sssd-simple.5 sssd-ad.5 \ sssd_krb5_locator_plugin.8 sss_groupshow.8 \ - pam_sss.8 sss_obfuscate.8 sss_cache.8 sss_debuglevel.8 + pam_sss.8 sss_obfuscate.8 sss_cache.8 sss_debuglevel.8 sss_seed.8 if BUILD_SSH man_MANS += sss_ssh_authorizedkeys.1 sss_ssh_knownhostsproxy.1 diff --git a/src/man/include/seealso.xml b/src/man/include/seealso.xml index 80c228e31..3763e9a58 100644 --- a/src/man/include/seealso.xml +++ b/src/man/include/seealso.xml @@ -59,6 +59,9 @@ <refentrytitle>sss_obfuscate</refentrytitle><manvolnum>8</manvolnum> </citerefentry>, <citerefentry> + <refentrytitle>sss_seed</refentrytitle><manvolnum>8</manvolnum> + </citerefentry>, + <citerefentry> <refentrytitle>sssd_krb5_locator_plugin</refentrytitle><manvolnum>8</manvolnum> </citerefentry>, <phrase condition="with_ssh"> @@ -78,4 +81,4 @@ <refentrytitle>pam_sss</refentrytitle><manvolnum>8</manvolnum> </citerefentry>. </para> - </refsect1>
\ No newline at end of file + </refsect1> diff --git a/src/man/po/po4a.cfg b/src/man/po/po4a.cfg index 1f05c7a46..e20b71364 100644 --- a/src/man/po/po4a.cfg +++ b/src/man/po/po4a.cfg @@ -20,6 +20,7 @@ [type:docbook] sss_usermod.8.xml $lang:$(builddir)/$lang/sss_usermod.8.xml [type:docbook] sss_cache.8.xml $lang:$(builddir)/$lang/sss_cache.8.xml [type:docbook] sss_debuglevel.8.xml $lang:$(builddir)/$lang/sss_debuglevel.8.xml +[type:docbook] sss_seed.8.xml $lang:$(builddir)/$lang/sss_seed.8.xml [type:docbook] sss_ssh_authorizedkeys.1.xml $lang:$(builddir)/$lang/sss_ssh_authorizedkeys.1.xml [type:docbook] sss_ssh_knownhostsproxy.1.xml $lang:$(builddir)/$lang/sss_ssh_knownhostsproxy.1.xml [type:docbook] include/service_discovery.xml $lang:$(builddir)/$lang/include/service_discovery.xml opt:"-k 0" diff --git a/src/man/sss_seed.8.xml b/src/man/sss_seed.8.xml new file mode 100644 index 000000000..e83b610b8 --- /dev/null +++ b/src/man/sss_seed.8.xml @@ -0,0 +1,165 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE reference PUBLIC "-//OASIS//DTD DocBook V4.4//EN" +"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd"> +<reference> +<title>SSSD Manual pages</title> +<refentry> + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/upstream.xml" /> + + <refmeta> + <refentrytitle>sss_seed</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv id='name'> + <refname>sss_seed</refname> + <refpurpose>seed the SSSD cache with a user</refpurpose> + </refnamediv> + + <refsynopsisdiv id='synopsis'> + <cmdsynopsis> + <command>sss_seed</command> + <arg choice='opt'> + <replaceable>options</replaceable> + </arg> + <arg choice='plain'>-D <replaceable>DOMAIN</replaceable></arg> + <arg choice='plain'>-n <replaceable>USER</replaceable></arg> + </cmdsynopsis> + </refsynopsisdiv> + + <refsect1 id='description'> + <title>DESCRIPTION</title> + <para> + <command>sss_seed</command> seeds the SSSD cache with a user entry + and temporary password. If a user entry is already present in the + SSSD cache then the entry is updated with the temporary password. + </para> + <para> + </para> + </refsect1> + + <refsect1 id='options'> + <title>OPTIONS</title> + <variablelist remap='IP'> + <varlistentry> + <term> + <option>-D</option>,<option>--domain</option> + <replaceable>DOMAIN</replaceable> + </term> + <listitem> + <para> + Provide the name of the domain in which the + user is a member of. The domain is also used to + retrieve user information. The domain must be configured + in sssd.conf. The <replaceable>DOMAIN</replaceable> + option must be provided. + Information retrieved from the domain + overrides what is provided in the options. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <option>-n</option>,<option>--username</option> + <replaceable>USER</replaceable> + </term> + <listitem> + <para> + The username of the entry to be created or modified + in the cache. The <replaceable>USER</replaceable> option + must be provided. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <option>-u</option>,<option>--uid</option> + <replaceable>UID</replaceable> + </term> + <listitem> + <para> + Set the UID of the user to + <replaceable>UID</replaceable>. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <option>-g</option>,<option>--gid</option> + <replaceable>GID</replaceable> + </term> + <listitem> + <para> + Set the GID of the user to + <replaceable>GID</replaceable>. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <option>-c</option>,<option>--gecos</option> + <replaceable>COMMENT</replaceable> + </term> + <listitem> + <para> + Any text string describing the user. Often used as + the field for the user's full name. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <option>-h</option>,<option>--home</option> + <replaceable>HOME_DIR</replaceable> + </term> + <listitem> + <para> + Set the home directory of the user to + <replaceable>HOME_DIR</replaceable>. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <option>-s</option>,<option>--shell</option> + <replaceable>SHELL</replaceable> + </term> + <listitem> + <para> + Set the login shell of the user to + <replaceable>SHELL</replaceable>. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <option>-i</option>,<option>--interactive</option> + </term> + <listitem> + <para> + Interactive mode for entering user information. This + option will only prompt for information not provided in + the options or retrieved from the domain. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term> + <option>-p</option>,<option>--password-file</option> + <replaceable>PASS_FILE</replaceable> + </term> + <listitem> + <para> + Specify file to read user's password from. (if not + specified password is prompted for) + </para> + </listitem> + </varlistentry> + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/param_help.xml" /> + </variablelist> + </refsect1> + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/seealso.xml" /> + +</refentry> +</reference> diff --git a/src/tools/sss_seed.c b/src/tools/sss_seed.c new file mode 100644 index 000000000..9136de34f --- /dev/null +++ b/src/tools/sss_seed.c @@ -0,0 +1,829 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <talloc.h> +#include <popt.h> +#include <errno.h> +#include <unistd.h> +#include <limits.h> +#include <grp.h> +#include <pwd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <ctype.h> + +#include "util/util.h" +#include "db/sysdb.h" +#include "tools/tools_util.h" +#include "tools/sss_sync_ops.h" +#include "confdb/confdb.h" + +#ifndef BUFSIZE +#define BUFSIZE 1024 +#endif + +#ifndef PASS_MAX +#define PASS_MAX 64 +#endif + +enum seed_pass_method { + PASS_PROMPT, + PASS_FILE +}; + +struct user_ctx { + char *domain_name; + + char *name; + uid_t uid; + gid_t gid; + char *gecos; + char *home; + char *shell; + + char *password; +}; + +struct seed_ctx { + struct confdb_ctx *confdb; + struct sysdb_ctx *sysdb; + + struct user_ctx *uctx; + + char *password_file; + enum seed_pass_method password_method; + + bool interact; + bool user_cached; +}; + + +static int seed_prompt(const char *req) +{ + size_t len = 0; + size_t i = 0; + char *prompt = NULL; + int ret = EOK; + + prompt = talloc_asprintf(NULL, _("Enter %s:"), req); + if (prompt == NULL) { + ret = ENOMEM; + goto done; + } + + while (prompt[i] != '\0') { + errno = 0; + len = sss_atomic_write_s(STDOUT_FILENO, &prompt[i++], 1); + if (len == -1) { + ret = errno; + DEBUG(SSSDBG_CRIT_FAILURE, ("write failed [%d][%s].\n", + ret, strerror(ret))); + goto done; + } + } + +done: + talloc_free(prompt); + return ret; +} + +static int seed_str_input(TALLOC_CTX *mem_ctx, + const char *req, + char **_input) +{ + char buf[BUFSIZE+1]; + size_t len = 0; + size_t bytes_read = 0; + int ret = EOK; + + ret = seed_prompt(req); + if (ret != EOK) { + return ret; + } + + errno = 0; + while ((bytes_read = sss_atomic_read_s(STDIN_FILENO, buf+len, 1)) != 0) { + if (bytes_read == -1) { + ret = errno; + DEBUG(SSSDBG_CRIT_FAILURE, ("read failed [%d][%s].\n", + ret, strerror(ret))); + return ret; + } + if (buf[len] == '\n' || len == BUFSIZE) { + buf[len] = '\0'; + break; + } + len += bytes_read; + } + + *_input = talloc_strdup(mem_ctx, buf); + if (*_input == NULL) { + ret = ENOMEM; + DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to allocate input\n")); + } + + return ret; +} + +static int seed_id_input(const char *req, + uid_t *_id_input) +{ + char buf[BUFSIZE+1]; + size_t len = 0; + size_t bytes_read = 0; + char *endptr = NULL; + int ret = EOK; + + ret = seed_prompt(req); + if (ret != EOK) { + return ret; + } + + errno = 0; + while ((bytes_read = sss_atomic_read_s(STDIN_FILENO, buf+len, 1)) != 0) { + if (bytes_read == -1) { + ret = errno; + DEBUG(SSSDBG_CRIT_FAILURE, ("read failed [%d][%s].\n", + ret, strerror(ret))); + return ret; + } + if (buf[len] == '\n' || len == BUFSIZE) { + buf[len] = '\0'; + break; + } + len += bytes_read; + } + + if (isdigit(*buf)) { + errno = 0; + *_id_input = (uid_t)strtoll(buf, &endptr, 10); + if (errno != 0) { + ret = errno; + DEBUG(SSSDBG_OP_FAILURE, ("strtoll failed on [%s]: [%d][%s].\n", + (char *)buf, ret, strerror(ret))); + return ret; + } + if (*endptr != '\0') { + DEBUG(SSSDBG_MINOR_FAILURE, ("extra characters [%s] after " + "ID [%d]\n", endptr, *_id_input)); + } + } else { + ret = EINVAL; + DEBUG(SSSDBG_OP_FAILURE, ("Failed to get %s input.\n", req)); + } + + return ret; +} + +static int seed_password_input_prompt(TALLOC_CTX *mem_ctx, char **_password) +{ + TALLOC_CTX *tmp_ctx = NULL; + char *password = NULL; + char *temp = NULL; + int ret = EOK; + + tmp_ctx = talloc_new(NULL); + if (tmp_ctx == NULL) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Could not allocate temp context\n")); + ret = ENOMEM; + goto done; + } + + temp = getpass("Enter temporary password:"); + if (temp == NULL) { + DEBUG(SSSDBG_OP_FAILURE, ("Failed to get prompted password\n")); + ret = EINVAL; + goto done; + } + password = talloc_strdup(tmp_ctx, temp); + if (password == NULL) { + ret = ENOMEM; + goto done; + } + + talloc_set_destructor((TALLOC_CTX *)password, password_destructor); + + temp = getpass("Enter temporary password again:"); + if (temp == NULL) { + DEBUG(SSSDBG_OP_FAILURE, ("Failed to get prompted password\n")); + ret = EINVAL; + goto done; + } + + if (strncmp(temp,password,strlen(password)) != 0) { + ERROR("Passwords do not match\n"); + DEBUG(SSSDBG_MINOR_FAILURE, ("Provided passwords do not match\n")); + ret = EINVAL; + goto done; + } + + *_password = talloc_steal(mem_ctx, password); + +done: + talloc_free(tmp_ctx); + return ret; +} + +static int seed_password_input_file(TALLOC_CTX *mem_ctx, + char *filename, + char **_password) +{ + TALLOC_CTX *tmp_ctx = NULL; + char *password = NULL; + int len = 0; + uint8_t buf[PASS_MAX+1]; + int fd = -1; + int ret = EOK; + + tmp_ctx = talloc_new(NULL); + if (tmp_ctx == NULL) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Could not allocate temp context\n")); + ret = ENOMEM; + goto done; + } + + fd = open(filename, O_RDONLY); + if (fd == -1) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to open password file " + "[%s] [%d][%s]\n", + filename, errno, strerror(errno))); + ret = EINVAL; + goto done; + } + + errno = 0; + len = sss_atomic_read_s(fd, buf, PASS_MAX); + if (len == -1) { + ret = errno; + DEBUG(SSSDBG_MINOR_FAILURE, ("Failed to read password from file " + "[%s] [%d][%s]\n", + filename, ret, strerror(ret))); + close(fd); + goto done; + } + + close(fd); + buf[len] = '\0'; + + password = talloc_strdup(tmp_ctx, (char *)buf); + if (password == NULL) { + ret = ENOMEM; + goto done; + } + + *_password = talloc_steal(mem_ctx, password); + +done: + talloc_free(tmp_ctx); + return ret; +} + +static int seed_interactive_input(TALLOC_CTX *mem_ctx, + struct user_ctx *uctx, + struct user_ctx **_uctx) +{ + struct user_ctx *input_uctx = NULL; + int ret = EOK; + + input_uctx = talloc_zero(NULL, struct user_ctx); + if (input_uctx == NULL) { + ret = ENOMEM; + goto done; + } + + if (uctx->name == NULL) { + ret = seed_str_input(input_uctx, _("username"), &input_uctx->name); + if (ret != EOK) { + DEBUG(SSSDBG_MINOR_FAILURE, + ("Username interactive input failed.\n")); + goto done; + } + } else { + input_uctx->name = talloc_strdup(input_uctx, uctx->name); + if (input_uctx->name == NULL) { + ret = ENOMEM; + goto done; + } + } + + if (uctx->uid == 0) { + ret = seed_id_input(_("UID"), &input_uctx->uid); + if (ret != EOK) { + DEBUG(SSSDBG_MINOR_FAILURE, ("UID interactive input failed.\n")); + goto done; + } + } else { + input_uctx->uid = uctx->uid; + } + + if (uctx->gid == 0) { + ret = seed_id_input(_("GID"), &input_uctx->gid); + if (ret != EOK) { + DEBUG(SSSDBG_MINOR_FAILURE, ("GID interactive input failed.\n")); + goto done; + } + } else { + input_uctx->gid = uctx->gid; + } + + if (uctx->gecos == NULL) { + ret = seed_str_input(input_uctx, _("user comment (gecos)"), + &input_uctx->gecos); + if (ret != EOK) { + DEBUG(SSSDBG_MINOR_FAILURE, ("Gecos interactive input failed.\n")); + goto done; + } + } else { + input_uctx->gecos = talloc_strdup(input_uctx, uctx->gecos); + if (input_uctx->gecos == NULL) { + ret = ENOMEM; + goto done; + } + } + + if (uctx->home == NULL) { + ret = seed_str_input(input_uctx, _("home directory"), + &input_uctx->home); + if (ret != EOK) { + DEBUG(SSSDBG_MINOR_FAILURE, + ("Home directory interactive input fialed.\n")); + goto done; + } + } else { + input_uctx->home = talloc_strdup(input_uctx, uctx->home); + if (input_uctx->home == NULL) { + ret = ENOMEM; + goto done; + } + } + + if (uctx->shell == NULL) { + ret = seed_str_input(input_uctx, _("user login shell"), + &input_uctx->shell); + if (ret != EOK) { + DEBUG(SSSDBG_MINOR_FAILURE, ("Shell interactive input failed\n")); + goto done; + } + } else { + input_uctx->shell = talloc_strdup(input_uctx, uctx->shell); + if (input_uctx->shell == NULL) { + ret = ENOMEM; + goto done; + } + } + +done: + if (ret == EOK) { + *_uctx = talloc_steal(mem_ctx, input_uctx); + } else { + talloc_zfree(input_uctx); + } + return ret; +} + +static int seed_init(TALLOC_CTX *mem_ctx, + const int argc, + const char **argv, + struct seed_ctx **_sctx) +{ + TALLOC_CTX *tmp_ctx = NULL; + int pc_debug = SSSDBG_DEFAULT; + const char *pc_domain = NULL; + const char *pc_name = NULL; + uid_t pc_uid = 0; + gid_t pc_gid = 0; + const char *pc_gecos = NULL; + const char *pc_home = NULL; + const char *pc_shell = NULL; + const char *pc_password_file = NULL; + + struct seed_ctx *sctx = NULL; + + int ret = EOK; + + poptContext pc = NULL; + struct poptOption options[] = { + POPT_AUTOHELP + { "debug", '\0', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &pc_debug, 0, + _("The debug level to run with"), NULL }, + { "domain", 'D', POPT_ARG_STRING, &pc_domain, 0, _("Domain"), NULL }, + { "username", 'n', POPT_ARG_STRING, &pc_name, 0, _("Username"), NULL}, + { "uid", 'u', POPT_ARG_INT, &pc_uid, 0, _("User UID"), NULL }, + { "gid", 'g', POPT_ARG_INT, &pc_gid, 0, _("User GID"), NULL }, + { "gecos", 'c', POPT_ARG_STRING, &pc_gecos, 0, + _("Comment string"), NULL}, + { "home", 'h', POPT_ARG_STRING, &pc_home, 0, + _("Home directory"), NULL }, + { "shell", 's', POPT_ARG_STRING, &pc_shell, 0, _("Login Shell"), NULL }, + { "interactive", 'i', POPT_ARG_NONE, NULL, 'i', + _("Use interactive mode to enter user data"), NULL }, + { "password-file", 'p', POPT_ARG_STRING, &pc_password_file, 0, + _("File from which user's password is read " + "(default is to prompt for password)"),NULL }, + POPT_TABLEEND + }; + + /* init contexts */ + tmp_ctx = talloc_new(NULL); + if (tmp_ctx == NULL) { + ret = ENOMEM; + goto fini; + } + + sctx = talloc_zero(tmp_ctx, struct seed_ctx); + if (sctx == NULL) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Could not allocate tools context\n")); + ret = ENOMEM; + goto fini; + } + + sctx->uctx = talloc_zero(sctx, struct user_ctx); + if (sctx->uctx == NULL) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Could not allocate user data context\n")); + ret = ENOMEM; + goto fini; + } + + debug_prg_name = argv[0]; + debug_level = debug_convert_old_level(pc_debug); + + ret = set_locale(); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, ("set_locale failed (%d): %s\n", + ret, strerror(ret))); + ERROR("Error setting the locale\n"); + ret = EINVAL; + goto fini; + } + + CHECK_ROOT(ret, argv[0]); + + /* parse arguments */ + pc = poptGetContext(NULL, argc, argv, options, 0); + if (argc < 2) { + poptPrintUsage(pc,stderr,0); + ret = EINVAL; + goto fini; + } + + poptSetOtherOptionHelp(pc, "[OPTIONS] -D <domain> -n <username>"); + while ((ret = poptGetNextOpt(pc)) > 0) { + switch (ret) { + case 'i': + DEBUG(SSSDBG_TRACE_INTERNAL, ("Interactive mode selected\n")); + sctx->interact = true; + break; + } + } + + if (ret != -1) { + BAD_POPT_PARAMS(pc, poptStrerror(ret), ret, fini); + } + + /* check username provided */ + if (pc_name == NULL) { + BAD_POPT_PARAMS(pc, _("Username must be specified\n"), ret, fini); + } + + sctx->uctx->name = talloc_strdup(sctx->uctx, pc_name); + if (sctx->uctx->name == NULL) { + ret = ENOMEM; + goto fini; + } + + /* check domain is provided */ + if (pc_domain == NULL) { + BAD_POPT_PARAMS(pc, _("Domain must be specified.\n"), ret, fini); + } + + sctx->uctx->domain_name = talloc_strdup(sctx->uctx, pc_domain); + if (sctx->uctx->domain_name == NULL) { + ret = ENOMEM; + goto fini; + } + + poptFreeContext(pc); + + ret = EOK; + + /* copy all information provided from popt */ + sctx->uctx->uid = pc_uid; + sctx->uctx->gid = pc_gid; + if (pc_gecos != NULL) { + sctx->uctx->gecos = talloc_strdup(sctx->uctx, pc_gecos); + if (sctx->uctx->gecos == NULL) { + ret = ENOMEM; + goto fini; + } + } + if (pc_home != NULL) { + sctx->uctx->home = talloc_strdup(sctx->uctx, pc_home); + if (sctx->uctx->home == NULL) { + ret = ENOMEM; + goto fini; + } + } + if (pc_shell != NULL) { + sctx->uctx->shell = talloc_strdup(sctx->uctx, pc_shell); + if (sctx->uctx->shell == NULL) { + ret = ENOMEM; + goto fini; + } + } + + /* check if password file provided */ + if (pc_password_file != NULL) { + sctx->password_file = talloc_strdup(sctx, pc_password_file); + if (sctx->password_file == NULL) { + ret = ENOMEM; + goto fini; + } + sctx->password_method = PASS_FILE; + } else { + sctx->password_method = PASS_PROMPT; + } + + *_sctx = talloc_steal(mem_ctx, sctx); + +fini: + talloc_free(tmp_ctx); + return ret; +} + +static int seed_init_db(TALLOC_CTX *mem_ctx, + const char *domain_name, + struct confdb_ctx **_confdb, + struct sysdb_ctx **_sysdb) +{ + TALLOC_CTX *tmp_ctx = NULL; + char *confdb_path = NULL; + struct confdb_ctx *confdb = NULL; + struct sysdb_ctx *sysdb = NULL; + struct sss_domain_info *domain = NULL; + int ret = EOK; + + tmp_ctx = talloc_new(NULL); + if (tmp_ctx == NULL) { + ret = ENOMEM; + goto done; + } + + /* setup confdb */ + confdb_path = talloc_asprintf(tmp_ctx, "%s/%s", DB_PATH, CONFDB_FILE); + if (confdb_path == NULL) { + ret = ENOMEM; + goto done; + } + + ret = confdb_init(tmp_ctx, &confdb, confdb_path); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, + ("Could not initialize connection to the confdb\n")); + ERROR("Could not initialize connection to the confdb\n"); + goto done; + } + + ret = sysdb_init_domain_and_sysdb(tmp_ctx, confdb, domain_name, + DB_PATH, &domain, &sysdb); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, + ("Could not initialize connection to the sysdb\n")); + ERROR("Could not initialize the connection to the sysdb\n"); + goto done; + } + + *_sysdb = talloc_steal(mem_ctx, sysdb); + *_confdb = talloc_steal(mem_ctx, confdb); + +done: + talloc_free(tmp_ctx); + return ret; +} + +static int seed_domain_user_info(const char *name, + const char *domain_name, + struct sysdb_ctx *sysdb, + bool *is_cached) +{ + TALLOC_CTX *tmp_ctx = NULL; + char *fq_name = NULL; + struct passwd *passwd = NULL; + struct ldb_result *res = NULL; + int ret = EOK; + + tmp_ctx = talloc_new(NULL); + if (tmp_ctx == NULL) { + ret = ENOMEM; + goto done; + } + + fq_name = talloc_asprintf(tmp_ctx, "%s@%s", name, domain_name); + if (fq_name == NULL) { + ret = ENOMEM; + goto done; + } + + errno = 0; + passwd = getpwnam(fq_name); + if (passwd == NULL) { + ret = errno; + DEBUG(SSSDBG_MINOR_FAILURE, ("getpwnam failed [%d] [%s]\n", + ret, strerror(ret))); + goto done; + } + + /* look for user in cache */ + ret = sysdb_getpwnam(tmp_ctx, sysdb, name, &res); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, + ("Couldn't lookup user (%s) in the cache\n", name)); + goto done; + } + + if (res->count == 0) { + DEBUG(SSSDBG_TRACE_INTERNAL, + ("User (%s) wasn't found in the cache\n", name)); + *is_cached = false; + ret = ENOENT; + goto done; + } else if (res->count > 1) { + DEBUG(SSSDBG_CRIT_FAILURE, + ("Multiple user (%s) entries were found in the cache\n", name)); + ret = EINVAL; + goto done; + } else { + DEBUG(SSSDBG_TRACE_INTERNAL, ("User found in cache\n")); + *is_cached = true; + + errno = 0; + ret = initgroups(fq_name, passwd->pw_gid); + if (ret != EOK) { + ret = errno; + DEBUG(SSSDBG_MINOR_FAILURE, ("initgroups failed [%d] [%s]\n", + ret, strerror(ret))); + goto done; + } + } + +done: + if (ret == ENOMEM) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to allocate user information\n")); + } + talloc_zfree(tmp_ctx); + return ret; +} + +static int seed_cache_user(struct seed_ctx *sctx) +{ + bool in_transaction = false; + int ret = EOK; + + ret = sysdb_transaction_start(sctx->sysdb); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, ("sysdb transaction start failure\n")); + goto done; + } + + in_transaction = true; + + if (sctx->user_cached == false) { + ret = sysdb_add_user(sctx->sysdb, sctx->uctx->name, + sctx->uctx->uid, sctx->uctx->gid, + sctx->uctx->gecos, sctx->uctx->home, + sctx->uctx->shell, NULL, 0, 0); + if (ret != EOK) { + DEBUG(SSSDBG_OP_FAILURE, + ("Failed to add user to the cache. (%d)[%s]\n", + ret, strerror(ret))); + ERROR("Failed to create user cache entry\n"); + goto done; + } + } + + ret = sysdb_cache_password(sctx->sysdb, sctx->uctx->name, + sctx->uctx->password); + if (ret != EOK) { + DEBUG(SSSDBG_OP_FAILURE, ("Failed to cache password. (%d)[%s]\n", + ret, strerror(ret))); + ERROR("Failed to cache password\n"); + goto done; + } + + ret = sysdb_transaction_commit(sctx->sysdb); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, ("sysdb transaction commit failure\n")); + goto done; + } + + in_transaction = false; + +done: + if (in_transaction == true) { + ret = sysdb_transaction_cancel(sctx->sysdb); + if (ret != EOK) { + DEBUG(SSSDBG_OP_FAILURE, ("Failed to cancel transaction\n")); + } + } + + return ret; +} + +int main(int argc, const char **argv) +{ + struct seed_ctx *sctx = NULL; + struct user_ctx *input_uctx = NULL; + int ret = EOK; + + /* initialize seed context and parse options */ + ret = seed_init(sctx, argc, argv, &sctx); + if (ret != EOK) { + DEBUG(SSSDBG_OP_FAILURE,("Seed init failed [%d][%d]\n", + ret, strerror(ret))); + goto done; + } + + /* set up confdb,sysdb and domain */ + ret = seed_init_db(sctx, sctx->uctx->domain_name, &sctx->confdb, + &sctx->sysdb); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to initialize db and domain\n")); + goto done; + } + + /* get user info from domain */ + ret = seed_domain_user_info(sctx->uctx->name, sctx->uctx->domain_name, + sctx->sysdb, &sctx->user_cached); + if (ret != EOK) { + DEBUG(SSSDBG_OP_FAILURE, ("Failed lookup of user [%s] in domain [%s]\n", + sctx->uctx->name, sctx->uctx->domain_name)); + } + + /* interactive mode to fill in user information */ + if (sctx->interact == true) { + if (sctx->user_cached == true) { + ERROR(_("User entry already exists in the cache.\n")); + ret = EEXIST; + goto done; + } else { + ret = seed_interactive_input(sctx, sctx->uctx, &input_uctx); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to get seed input.\n")); + ret = EINVAL; + goto done; + } + talloc_zfree(sctx->uctx); + sctx->uctx = input_uctx; + } + } + + if (sctx->user_cached == false) { + if (sctx->uctx->uid == 0 || sctx->uctx->gid == 0) { + /* require username, UID, and GID to continue */ + DEBUG(SSSDBG_MINOR_FAILURE, ("Not enough information provided\n")); + ERROR("UID and primary GID not provided.\n"); + ret = EINVAL; + goto done; + } + } + + /* password input */ + if (sctx->password_method == PASS_FILE) { + ret = seed_password_input_file(sctx->uctx, sctx->password_file, + &sctx->uctx->password); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Password input failure\n")); + goto done; + } + } else { + ret = seed_password_input_prompt(sctx->uctx, &sctx->uctx->password); + if (ret != EOK) { + DEBUG(SSSDBG_CRIT_FAILURE, ("Password input failure\n")); + goto done; + } + } + + /* Add user info and password to sysdb cache */ + ret = seed_cache_user(sctx); + if (ret != EOK) { + DEBUG(SSSDBG_MINOR_FAILURE, ("Failed to modify cache.\n")); + goto done; + } else { + if (sctx->user_cached == false) { + printf(_("User cache entry created for %1$s\n"), sctx->uctx->name); + } + printf(_("Temporary password added to cache entry for %1$s\n"), + sctx->uctx->name); + } + +done: + talloc_zfree(sctx); + if (ret != EOK) { + DEBUG(SSSDBG_TRACE_INTERNAL, ("Exit error: [%d] [%s]\n", + ret, strerror(ret))); + ret = EXIT_FAILURE; + } else { + ret = EXIT_SUCCESS; + } + exit(ret); +} |