--- findutils-4.2.27/find/parser.c.selinux 2005-12-04 03:07:52.000000000 +0100 +++ findutils-4.2.27/find/parser.c 2006-01-12 07:36:36.000000000 +0100 @@ -47,6 +47,10 @@ /* We need for isatty(). */ #include +#ifdef WITH_SELINUX +#include +#endif /*WITH_SELINUX*/ + #if ENABLE_NLS # include # define _(Text) gettext (Text) @@ -147,6 +151,9 @@ static boolean parse_warn PARAMS((const struct parser_table*, char *argv[], int *arg_ptr)); static boolean parse_xtype PARAMS((const struct parser_table*, char *argv[], int *arg_ptr)); static boolean parse_quit PARAMS((const struct parser_table*, char *argv[], int *arg_ptr)); +#ifdef WITH_SELINUX +static boolean parse_scontext PARAMS((const struct parser_table*, char *argv[], int *arg_ptr)); +#endif /*WITH_SELINUX*/ @@ -298,6 +305,8 @@ {ARG_TEST, "-help", parse_help, NULL}, /* GNU */ {ARG_TEST, "version", parse_version, NULL}, /* GNU */ {ARG_TEST, "-version", parse_version, NULL}, /* GNU */ + {ARG_TEST, "context", parse_scontext, pred_scontext}, /* SELinux */ + {ARG_TEST, "-context", parse_scontext, pred_scontext}, /* SELinux */ {0, 0, 0, 0} }; @@ -803,6 +812,10 @@ -nouser -nogroup -path PATTERN -perm [+-]MODE -regex PATTERN\n\ -wholename PATTERN -size N[bcwkMG] -true -type [bcdpflsD] -uid N\n\ -used N -user NAME -xtype [bcdpfls]\n")); +#ifdef WITH_SELINUX + puts (_("\ + -context CONTEXT\n")); +#endif /*WITH_SELINUX*/ puts (_("\ actions: -delete -print0 -printf FORMAT -fprintf FILE FORMAT -print \n\ -fprint0 FILE -fprint FILE -ls -fls FILE -prune -quit\n\ @@ -1727,6 +1740,29 @@ exit (0); } +#ifdef WITH_SELINUX + +static boolean +parse_scontext ( const struct parser_table* entry, char **argv, int *arg_ptr) +{ + struct predicate *our_pred; + + if ( (argv == NULL) || (argv[*arg_ptr] == NULL) ) + return( false ); + + our_pred = insert_primary(entry); + our_pred->need_stat = false; +#ifdef DEBUG + our_pred->p_name = find_pred_name (pred_scontext); +#endif /*DEBUG*/ + our_pred->args.scontext = argv[*arg_ptr];; + + (*arg_ptr)++; + return( true ); +} + +#endif /*WITH_SELINUX*/ + static boolean parse_xdev (const struct parser_table* entry, char **argv, int *arg_ptr) { @@ -1964,7 +2000,11 @@ if (*scan2 == '.') for (scan2++; ISDIGIT (*scan2); scan2++) /* Do nothing. */ ; +#ifdef WITH_SELINUX + if (strchr ("abcdDfFgGhHiklmMnpPstuUyYZ", *scan2)) +#else /* WITH_SELINUX */ if (strchr ("abcdDfFgGhHiklmMnpPstuUyY", *scan2)) +#endif /* WITH_SELINUX */ { segmentp = make_segment (segmentp, format, scan2 - format, (int) *scan2); @@ -2046,6 +2086,9 @@ case 'H': /* ARGV element file was found under */ case 'p': /* pathname */ case 'P': /* pathname with ARGV element stripped */ +#ifdef WITH_SELINUX + case 'Z': /* SELinux security context */ +#endif /* WITH_SELINUX */ *fmt++ = 's'; break; --- findutils-4.2.27/find/defs.h.selinux 2005-09-04 19:59:34.000000000 +0200 +++ findutils-4.2.27/find/defs.h 2006-01-12 07:36:19.000000000 +0100 @@ -131,6 +131,10 @@ #define MODE_RWX (S_IXUSR | S_IXGRP | S_IXOTH | MODE_RW) #define MODE_ALL (S_ISUID | S_ISGID | S_ISVTX | MODE_RWX) +#ifdef WITH_SELINUX +#include +#endif /*WITH_SELINUX*/ + #if 1 #include typedef bool boolean; @@ -320,6 +324,9 @@ struct dir_id fileid; /* samefile */ mode_t type; /* type */ FILE *stream; /* ls fls fprint0 */ +#ifdef WITH_SELINUX + security_context_t scontext; /* scontext */ +#endif /*WITH_SELINUX*/ struct format_val printf_vec; /* printf fprintf fprint */ } args; @@ -479,6 +486,9 @@ boolean pred_used PARAMS((char *pathname, struct stat *stat_buf, struct predicate *pred_ptr)); boolean pred_user PARAMS((char *pathname, struct stat *stat_buf, struct predicate *pred_ptr)); boolean pred_xtype PARAMS((char *pathname, struct stat *stat_buf, struct predicate *pred_ptr)); +#ifdef WITH_SELINUX +boolean pred_scontext PARAMS((char *pathname, struct stat *stat_buf, struct predicate *pred_ptr)); +#endif /* WITH_SELINUX */ @@ -568,6 +578,10 @@ * can be changed with the positional option, -regextype. */ int regex_options; + +#ifdef WITH_SELINUX + int (*x_getfilecon) (); +#endif /* WITH_SELINUX */ }; extern struct options options; --- findutils-4.2.27/find/Makefile.am.selinux 2005-07-03 18:07:08.000000000 +0200 +++ findutils-4.2.27/find/Makefile.am 2006-01-12 07:36:19.000000000 +0100 @@ -5,8 +5,9 @@ # regexprops_SOURCES = regexprops.c find_SOURCES = find.c fstype.c parser.c pred.c tree.c util.c version.c EXTRA_DIST = defs.h $(man_MANS) +DEFS = @DEFS@ -I. -I$(srcdir) -I.. -DWITH_SELINUX INCLUDES = -I../gnulib/lib -I$(top_srcdir)/lib -I$(top_srcdir)/gnulib/lib -I../intl -DLOCALEDIR=\"$(localedir)\" -LDADD = ../lib/libfind.a ../gnulib/lib/libgnulib.a @INTLLIBS@ +LDADD = ../lib/libfind.a ../gnulib/lib/libgnulib.a @INTLLIBS@ -lselinux man_MANS = find.1 SUBDIRS = testsuite --- findutils-4.2.27/find/find.1.selinux 2005-12-05 18:05:02.000000000 +0100 +++ findutils-4.2.27/find/find.1 2006-01-12 07:36:19.000000000 +0100 @@ -483,6 +483,9 @@ link to a file of type \fIc\fR; if the \-L option has been given, true if \fIc\fR is `l'. In other words, for symbolic links, \-xtype checks the type of the file that \-type does not check. +.IP "\-context \fIscontext\fR" +.IP "\--context \fIscontext\fR" +(SELinux only) File has the security context \fIscontext\fR. .SS ACTIONS .IP "\-delete\fR" @@ -785,6 +788,8 @@ File's type (like in ls \-l), U=unknown type (shouldn't happen) .IP %Y File's type (like %y), plus follow symlinks: L=loop, N=nonexistent +.IP %Z +(SELinux only) file's security context. .PP A `%' character followed by any other character is discarded (but the other character is printed). --- findutils-4.2.27/find/find.c.selinux 2005-11-11 08:41:37.000000000 +0100 +++ findutils-4.2.27/find/find.c 2006-01-12 07:36:19.000000000 +0100 @@ -244,6 +244,93 @@ { return lstat(name, p); } +#ifdef WITH_SELINUX + +static int +fallback_getfilecon(const char *name, security_context_t *p, int prev_rv) +{ + /* Our original getfilecon() call failed. Perhaps we can't follow a + * symbolic link. If that might be the problem, lgetfilecon() the link. + * Otherwise, admit defeat. + */ + switch (errno) + { + case ENOENT: + case ENOTDIR: +#ifdef DEBUG_STAT + fprintf(stderr, "fallback_getfilecon(): getfilecon(%s) failed; falling back on lgetfilecon()\n", name); +#endif + return lgetfilecon(name, p); + + case EACCES: + case EIO: + case ELOOP: + case ENAMETOOLONG: +#ifdef EOVERFLOW + case EOVERFLOW: /* EOVERFLOW is not #defined on UNICOS. */ +#endif + default: + return prev_rv; + } +} + + +/* optionh_getfilecon() implements the getfilecon operation when the + * -H option is in effect. + * + * If the item to be examined is a command-line argument, we follow + * symbolic links. If the getfilecon() call fails on the command-line + * item, we fall back on the properties of the symbolic link. + * + * If the item to be examined is not a command-line argument, we + * examine the link itself. + */ +int +optionh_getfilecon(const char *name, security_context_t *p) +{ + if (0 == state.curdepth) + { + /* This file is from the command line; deference the link (if it + * is a link). + */ + int rv = getfilecon(name, p); + if (0 == rv) + return 0; /* success */ + else + return fallback_getfilecon(name, p, rv); + } + else + { + /* Not a file on the command line; do not derefernce the link. + */ + return lgetfilecon(name, p); + } +} + +/* optionl_getfilecon() implements the getfilecon operation when the + * -L option is in effect. That option makes us examine the thing the + * symbolic link points to, not the symbolic link itself. + */ +int +optionl_getfilecon(const char *name, security_context_t *p) +{ + int rv = getfilecon(name, p); + if (0 == rv) + return 0; /* normal case. */ + else + return fallback_getfilecon(name, p, rv); +} + +/* optionp_getfilecon() implements the stat operation when the -P + * option is in effect (this is also the default). That option makes + * us examine the symbolic link itself, not the thing it points to. + */ +int +optionp_getfilecon(const char *name, security_context_t *p) +{ + return lgetfilecon(name, p); +} +#endif /* WITH_SELINUX */ #ifdef DEBUG_STAT static uintmax_t stat_count = 0u; @@ -272,11 +359,17 @@ { case SYMLINK_ALWAYS_DEREF: /* -L */ options.xstat = optionl_stat; +#ifdef WITH_SELINUX + options.x_getfilecon = optionl_getfilecon; +#endif /* WITH_SELINUX */ options.no_leaf_check = true; break; case SYMLINK_NEVER_DEREF: /* -P (default) */ options.xstat = optionp_stat; +#ifdef WITH_SELINUX + options.x_getfilecon = optionp_getfilecon; +#endif /* WITH_SELINUX */ /* Can't turn no_leaf_check off because the user might have specified * -noleaf anyway */ @@ -284,6 +377,9 @@ case SYMLINK_DEREF_ARGSONLY: /* -H */ options.xstat = optionh_stat; +#ifdef WITH_SELINUX + options.x_getfilecon = optionh_getfilecon; +#endif /* WITH_SELINUX */ options.no_leaf_check = true; } @@ -389,6 +485,9 @@ int main (int argc, char **argv) { +#ifdef WITH_SELINUX + int is_selinux_enabled_flag = is_selinux_enabled()>0; +#endif /* WITH_SELINUX */ int i; const struct parser_table *entry_close, *entry_print, *entry_open; const struct parser_table *parse_entry; /* Pointer to the parsing table entry for this expression. */ @@ -538,6 +637,14 @@ if (strchr ("-!(),", argv[i][0]) == NULL) usage (_("paths must precede expression")); predicate_name = argv[i]; +#ifdef WITH_SELINUX + if (! is_selinux_enabled_flag) { + if ((strncmp(predicate_name,"-context",strlen("-context"))==0) || + (strncmp(predicate_name,"--context",strlen("--context"))==0)) { + error (1, 0,_("Error: invalid predicate %s: the kernel is not selinux-enabled.\n"),predicate_name); + } + } +#endif parse_entry = find_parser (predicate_name); if (parse_entry == NULL) { @@ -1807,7 +1914,7 @@ static void process_dir (char *pathname, char *name, int pathlen, struct stat *statp, char *parent) { - int subdirs_left; /* Number of unexamined subdirs in PATHNAME. */ + int subdirs_left=0; /* Number of unexamined subdirs in PATHNAME. */ boolean subdirs_unreliable; /* if true, cannot use dir link count as subdir limif (if false, it may STILL be unreliable) */ int idx; /* Which entry are we on? */ struct stat stat_buf; --- findutils-4.2.27/find/util.c.selinux 2005-07-01 23:45:18.000000000 +0200 +++ findutils-4.2.27/find/util.c 2006-01-12 07:36:19.000000000 +0100 @@ -78,6 +78,9 @@ last_pred->need_stat = true; last_pred->need_type = true; last_pred->args.str = NULL; +#ifdef WITH_SELINUX + last_pred->args.scontext = NULL; +#endif last_pred->pred_next = NULL; last_pred->pred_left = NULL; last_pred->pred_right = NULL; --- findutils-4.2.27/find/pred.c.selinux 2005-11-30 07:17:15.000000000 +0100 +++ findutils-4.2.27/find/pred.c 2006-01-12 07:36:28.000000000 +0100 @@ -38,6 +38,14 @@ #include "buildcmd.h" #include "yesno.h" +#ifdef WITH_SELINUX +#include +#endif /*WITH_SELINUX*/ + +#ifndef FNM_CASEFOLD +#define FNM_CASEFOLD (1<<4) +#endif /*FNM_CASEFOLD*/ + #if ENABLE_NLS # include # define _(Text) gettext (Text) @@ -83,7 +91,6 @@ - /* Get or fake the disk device blocksize. Usually defined by sys/param.h (if at all). */ #ifndef DEV_BSIZE @@ -215,6 +222,9 @@ {pred_used, "used "}, {pred_user, "user "}, {pred_xtype, "xtype "}, +#ifdef WITH_SELINUX + {pred_scontext, "context"}, +#endif /*WITH_SELINUX*/ {0, "none "} }; @@ -903,6 +913,25 @@ mode_to_filetype(stat_buf->st_mode & S_IFMT)); } break; +#ifdef WITH_SELINUX + case 'Z': /* SELinux security context */ + { + security_context_t scontext; + int rv; + rv = (*options.x_getfilecon)(state.rel_pathname, &scontext); + + if ( rv < 0 ) { + (void) fprintf(stderr, "getfileconf(%s): %s", + pathname, strerror(errno)); + (void) fflush(stderr); + } + else { + (void) fprintf (fp, segment->text, scontext); + freecon(scontext); + } + } + break ; +#endif /* WITH_SELINUX */ } } return true; @@ -1493,6 +1522,34 @@ */ return (pred_type (pathname, &sbuf, pred_ptr)); } + + +#ifdef WITH_SELINUX + +boolean +pred_scontext ( pathname, stat_buf, pred_ptr ) + char *pathname; + struct stat *stat_buf; + struct predicate *pred_ptr; +{ + int rv; + security_context_t scontext; + + rv = (* options.x_getfilecon)(state.rel_pathname, &scontext); + + if ( rv < 0 ) { + (void) fprintf(stderr, "getfilecon(%s): %s\n", pathname, strerror(errno)); + (void) fflush(stderr); + return ( false ); + } + + rv = (fnmatch(pred_ptr->args.scontext, scontext,0)==0); + freecon(scontext); + return rv; +} + +#endif /*WITH_SELINUX*/ + /* 1) fork to get a child; parent remembers the child pid 2) child execs the command requested