plugins/sudoers/po/vi.po
plugins/sudoers/po/zh_CN.mo
plugins/sudoers/po/zh_CN.po
+plugins/sudoers/prompt.c
plugins/sudoers/pwutil.c
plugins/sudoers/pwutil.h
plugins/sudoers/pwutil_impl.c
match_addr.lo pwutil.lo pwutil_impl.lo timestr.lo \
toke.lo toke_util.lo redblack.lo
-SUDOERS_OBJS = $(AUTH_OBJS) boottime.lo check.lo env.lo goodpath.lo \
- group_plugin.lo find_path.lo interfaces.lo logging.lo \
- logwrap.lo parse.lo set_perms.lo sudoers.lo sudo_nss.lo \
- timestamp.lo iolog.lo iolog_path.lo @SUDOERS_OBJS@
+SUDOERS_OBJS = $(AUTH_OBJS) boottime.lo check.lo env.lo find_path.lo \
+ goodpath.lo group_plugin.lo interfaces.lo iolog.lo \
+ iolog_path.lo logging.lo logwrap.lo parse.lo prompt.lo \
+ set_perms.lo sudo_nss.lo sudoers.lo timestamp.lo @SUDOERS_OBJS@
VISUDO_OBJS = visudo.o goodpath.o find_path.o error.o
$(incdir)/missing.h $(incdir)/alloc.h $(incdir)/error.h \
$(incdir)/sudo_plugin.h $(incdir)/gettext.h
$(LIBTOOL) --mode=compile $(CC) -c $(CPPFLAGS) $(CFLAGS) $(PIE_CFLAGS) $(DEFS) $(srcdir)/plugin_error.c
+prompt.lo: $(srcdir)/prompt.c $(top_builddir)/config.h $(srcdir)/sudoers.h \
+ $(top_srcdir)/compat/stdbool.h $(top_builddir)/pathnames.h \
+ $(incdir)/missing.h $(incdir)/error.h $(incdir)/alloc.h \
+ $(incdir)/list.h $(incdir)/fileops.h $(srcdir)/defaults.h \
+ $(devdir)/def_data.h $(srcdir)/logging.h $(srcdir)/sudo_nss.h \
+ $(incdir)/sudo_plugin.h $(incdir)/sudo_debug.h $(incdir)/gettext.h
+ $(LIBTOOL) --mode=compile $(CC) -c $(CPPFLAGS) $(CFLAGS) $(PIE_CFLAGS) $(DEFS) $(srcdir)/prompt.c
pwutil.lo: $(srcdir)/pwutil.c $(top_builddir)/config.h $(srcdir)/sudoers.h \
$(top_srcdir)/compat/stdbool.h $(top_builddir)/pathnames.h \
$(incdir)/missing.h $(incdir)/error.h $(incdir)/alloc.h \
#include "timestamp.h"
#include "check.h"
-static char *expand_prompt(char *, char *, char *);
static bool display_lecture(int);
static struct passwd *get_authpw(void);
debug_return_int(true);
}
-/*
- * Expand %h and %u escapes in the prompt and pass back the dynamically
- * allocated result. Returns the same string if there are no escapes.
- */
-static char *
-expand_prompt(char *old_prompt, char *user, char *host)
-{
- size_t len, n;
- int subst;
- char *p, *np, *new_prompt, *endp;
- debug_decl(expand_prompt, SUDO_DEBUG_AUTH)
-
- /* How much space do we need to malloc for the prompt? */
- subst = 0;
- for (p = old_prompt, len = strlen(old_prompt); *p; p++) {
- if (p[0] =='%') {
- switch (p[1]) {
- case 'h':
- p++;
- len += strlen(user_shost) - 2;
- subst = 1;
- break;
- case 'H':
- p++;
- len += strlen(user_host) - 2;
- subst = 1;
- break;
- case 'p':
- p++;
- if (def_rootpw)
- len += 2;
- else if (def_targetpw || def_runaspw)
- len += strlen(runas_pw->pw_name) - 2;
- else
- len += strlen(user_name) - 2;
- subst = 1;
- break;
- case 'u':
- p++;
- len += strlen(user_name) - 2;
- subst = 1;
- break;
- case 'U':
- p++;
- len += strlen(runas_pw->pw_name) - 2;
- subst = 1;
- break;
- case '%':
- p++;
- len--;
- subst = 1;
- break;
- default:
- break;
- }
- }
- }
-
- if (subst) {
- new_prompt = emalloc(++len);
- endp = new_prompt + len;
- for (p = old_prompt, np = new_prompt; *p; p++) {
- if (p[0] =='%') {
- switch (p[1]) {
- case 'h':
- p++;
- n = strlcpy(np, user_shost, np - endp);
- if (n >= np - endp)
- goto oflow;
- np += n;
- continue;
- case 'H':
- p++;
- n = strlcpy(np, user_host, np - endp);
- if (n >= np - endp)
- goto oflow;
- np += n;
- continue;
- case 'p':
- p++;
- if (def_rootpw)
- n = strlcpy(np, "root", np - endp);
- else if (def_targetpw || def_runaspw)
- n = strlcpy(np, runas_pw->pw_name, np - endp);
- else
- n = strlcpy(np, user_name, np - endp);
- if (n >= np - endp)
- goto oflow;
- np += n;
- continue;
- case 'u':
- p++;
- n = strlcpy(np, user_name, np - endp);
- if (n >= np - endp)
- goto oflow;
- np += n;
- continue;
- case 'U':
- p++;
- n = strlcpy(np, runas_pw->pw_name, np - endp);
- if (n >= np - endp)
- goto oflow;
- np += n;
- continue;
- case '%':
- /* convert %% -> % */
- p++;
- break;
- default:
- /* no conversion */
- break;
- }
- }
- *np++ = *p;
- if (np >= endp)
- goto oflow;
- }
- *np = '\0';
- } else
- new_prompt = old_prompt;
-
- debug_return_str(new_prompt);
-
-oflow:
- /* We pre-allocate enough space, so this should never happen. */
- errorx(1, _("internal error, %s overflow"), "expand_prompt()");
-}
-
/*
* Checks if the user is exempt from supplying a password.
*/
--- /dev/null
+/*
+ * Copyright (c) 1993-1996,1998-2005, 2007-2012
+ * Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif /* STDC_HEADERS */
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#include <pwd.h>
+#include <grp.h>
+
+#include "sudoers.h"
+
+/*
+ * Expand %h and %u escapes in the prompt and pass back the dynamically
+ * allocated result. Returns the same string if there are no escapes.
+ */
+char *
+expand_prompt(char *old_prompt, char *user, char *host)
+{
+ size_t len, n;
+ int subst;
+ char *p, *np, *new_prompt, *endp;
+ debug_decl(expand_prompt, SUDO_DEBUG_AUTH)
+
+ /* How much space do we need to malloc for the prompt? */
+ subst = 0;
+ for (p = old_prompt, len = strlen(old_prompt); *p; p++) {
+ if (p[0] =='%') {
+ switch (p[1]) {
+ case 'h':
+ p++;
+ len += strlen(user_shost) - 2;
+ subst = 1;
+ break;
+ case 'H':
+ p++;
+ len += strlen(user_host) - 2;
+ subst = 1;
+ break;
+ case 'p':
+ p++;
+ if (def_rootpw)
+ len += 2;
+ else if (def_targetpw || def_runaspw)
+ len += strlen(runas_pw->pw_name) - 2;
+ else
+ len += strlen(user_name) - 2;
+ subst = 1;
+ break;
+ case 'u':
+ p++;
+ len += strlen(user_name) - 2;
+ subst = 1;
+ break;
+ case 'U':
+ p++;
+ len += strlen(runas_pw->pw_name) - 2;
+ subst = 1;
+ break;
+ case '%':
+ p++;
+ len--;
+ subst = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ if (subst) {
+ new_prompt = emalloc(++len);
+ endp = new_prompt + len;
+ for (p = old_prompt, np = new_prompt; *p; p++) {
+ if (p[0] =='%') {
+ switch (p[1]) {
+ case 'h':
+ p++;
+ n = strlcpy(np, user_shost, np - endp);
+ if (n >= np - endp)
+ goto oflow;
+ np += n;
+ continue;
+ case 'H':
+ p++;
+ n = strlcpy(np, user_host, np - endp);
+ if (n >= np - endp)
+ goto oflow;
+ np += n;
+ continue;
+ case 'p':
+ p++;
+ if (def_rootpw)
+ n = strlcpy(np, "root", np - endp);
+ else if (def_targetpw || def_runaspw)
+ n = strlcpy(np, runas_pw->pw_name, np - endp);
+ else
+ n = strlcpy(np, user_name, np - endp);
+ if (n >= np - endp)
+ goto oflow;
+ np += n;
+ continue;
+ case 'u':
+ p++;
+ n = strlcpy(np, user_name, np - endp);
+ if (n >= np - endp)
+ goto oflow;
+ np += n;
+ continue;
+ case 'U':
+ p++;
+ n = strlcpy(np, runas_pw->pw_name, np - endp);
+ if (n >= np - endp)
+ goto oflow;
+ np += n;
+ continue;
+ case '%':
+ /* convert %% -> % */
+ p++;
+ break;
+ default:
+ /* no conversion */
+ break;
+ }
+ }
+ *np++ = *p;
+ if (np >= endp)
+ goto oflow;
+ }
+ *np = '\0';
+ } else
+ new_prompt = old_prompt;
+
+ debug_return_str(new_prompt);
+
+oflow:
+ /* We pre-allocate enough space, so this should never happen. */
+ errorx(1, _("internal error, %s overflow"), "expand_prompt()");
+}
int find_path(char *, char **, struct stat *, char *, int);
/* check.c */
-int check_user(int, int);
+int check_user(int validate, int mode);
bool user_is_exempt(void);
+char *expand_prompt(char *old_prompt, char *user, char *host);
/* timestamp.c */
void remove_timestamp(bool);
+bool set_lectured(void);
/* sudo_auth.c */
int verify_user(struct passwd *pw, char *prompt, int validated);
projects / sudo / commitdiff