X-Git-Url: http://git.ipfire.org/?p=people%2Fpmueller%2Fipfire-2.x.git;a=blobdiff_plain;f=src%2Fpatches%2Fbash%2Fbash43-027;fp=src%2Fpatches%2Fbash%2Fbash43-027;h=0000000000000000000000000000000000000000;hp=ef48bd82da76c4c64733ae1b86fa3e3c4a4347d5;hb=a15dbe44971a47d8749497d75cbfd829ba09e9a3;hpb=699381b6993b9428e99a0055dae03e7a222ea9f9 diff --git a/src/patches/bash/bash43-027 b/src/patches/bash/bash43-027 deleted file mode 100644 index ef48bd82da..0000000000 --- a/src/patches/bash/bash43-027 +++ /dev/null @@ -1,221 +0,0 @@ - BASH PATCH REPORT - ================= - -Bash-Release: 4.3 -Patch-ID: bash43-027 - -Bug-Reported-by: Florian Weimer -Bug-Reference-ID: -Bug-Reference-URL: - -Bug-Description: - -This patch changes the encoding bash uses for exported functions to avoid -clashes with shell variables and to avoid depending only on an environment -variable's contents to determine whether or not to interpret it as a shell -function. - -Patch (apply with `patch -p0'): - -*** ../bash-4.3.26/variables.c 2014-09-25 23:02:18.000000000 -0400 ---- variables.c 2014-09-27 20:52:04.000000000 -0400 -*************** -*** 84,87 **** ---- 84,92 ---- - #define ifsname(s) ((s)[0] == 'I' && (s)[1] == 'F' && (s)[2] == 'S' && (s)[3] == '\0') - -+ #define BASHFUNC_PREFIX "BASH_FUNC_" -+ #define BASHFUNC_PREFLEN 10 /* == strlen(BASHFUNC_PREFIX */ -+ #define BASHFUNC_SUFFIX "%%" -+ #define BASHFUNC_SUFFLEN 2 /* == strlen(BASHFUNC_SUFFIX) */ -+ - extern char **environ; - -*************** -*** 280,284 **** - static void dispose_temporary_env __P((sh_free_func_t *)); - -! static inline char *mk_env_string __P((const char *, const char *)); - static char **make_env_array_from_var_list __P((SHELL_VAR **)); - static char **make_var_export_array __P((VAR_CONTEXT *)); ---- 285,289 ---- - static void dispose_temporary_env __P((sh_free_func_t *)); - -! static inline char *mk_env_string __P((const char *, const char *, int)); - static char **make_env_array_from_var_list __P((SHELL_VAR **)); - static char **make_var_export_array __P((VAR_CONTEXT *)); -*************** -*** 350,369 **** - /* If exported function, define it now. Don't import functions from - the environment in privileged mode. */ -! if (privmode == 0 && read_but_dont_execute == 0 && STREQN ("() {", string, 4)) - { - string_length = strlen (string); -! temp_string = (char *)xmalloc (3 + string_length + char_index); - -! strcpy (temp_string, name); -! temp_string[char_index] = ' '; -! strcpy (temp_string + char_index + 1, string); - - /* Don't import function names that are invalid identifiers from the - environment, though we still allow them to be defined as shell - variables. */ -! if (legal_identifier (name)) -! parse_and_execute (temp_string, name, SEVAL_NONINT|SEVAL_NOHIST|SEVAL_FUNCDEF|SEVAL_ONECMD); - -! if (temp_var = find_function (name)) - { - VSETATTR (temp_var, (att_exported|att_imported)); ---- 355,385 ---- - /* If exported function, define it now. Don't import functions from - the environment in privileged mode. */ -! if (privmode == 0 && read_but_dont_execute == 0 && -! STREQN (BASHFUNC_PREFIX, name, BASHFUNC_PREFLEN) && -! STREQ (BASHFUNC_SUFFIX, name + char_index - BASHFUNC_SUFFLEN) && -! STREQN ("() {", string, 4)) - { -+ size_t namelen; -+ char *tname; /* desired imported function name */ -+ -+ namelen = char_index - BASHFUNC_PREFLEN - BASHFUNC_SUFFLEN; -+ -+ tname = name + BASHFUNC_PREFLEN; /* start of func name */ -+ tname[namelen] = '\0'; /* now tname == func name */ -+ - string_length = strlen (string); -! temp_string = (char *)xmalloc (namelen + string_length + 2); - -! memcpy (temp_string, tname, namelen); -! temp_string[namelen] = ' '; -! memcpy (temp_string + namelen + 1, string, string_length + 1); - - /* Don't import function names that are invalid identifiers from the - environment, though we still allow them to be defined as shell - variables. */ -! if (absolute_program (tname) == 0 && (posixly_correct == 0 || legal_identifier (tname))) -! parse_and_execute (temp_string, tname, SEVAL_NONINT|SEVAL_NOHIST|SEVAL_FUNCDEF|SEVAL_ONECMD); - -! if (temp_var = find_function (tname)) - { - VSETATTR (temp_var, (att_exported|att_imported)); -*************** -*** 378,383 **** - } - last_command_exit_value = 1; -! report_error (_("error importing function definition for `%s'"), name); - } - } - #if defined (ARRAY_VARS) ---- 394,402 ---- - } - last_command_exit_value = 1; -! report_error (_("error importing function definition for `%s'"), tname); - } -+ -+ /* Restore original suffix */ -+ tname[namelen] = BASHFUNC_SUFFIX[0]; - } - #if defined (ARRAY_VARS) -*************** -*** 2955,2959 **** - - INVALIDATE_EXPORTSTR (var); -! var->exportstr = mk_env_string (name, value); - - array_needs_making = 1; ---- 2974,2978 ---- - - INVALIDATE_EXPORTSTR (var); -! var->exportstr = mk_env_string (name, value, 0); - - array_needs_making = 1; -*************** -*** 3853,3871 **** - - static inline char * -! mk_env_string (name, value) - const char *name, *value; - { -! int name_len, value_len; -! char *p; - - name_len = strlen (name); - value_len = STRLEN (value); -! p = (char *)xmalloc (2 + name_len + value_len); -! strcpy (p, name); -! p[name_len] = '='; - if (value && *value) -! strcpy (p + name_len + 1, value); - else -! p[name_len + 1] = '\0'; - return (p); - } ---- 3872,3911 ---- - - static inline char * -! mk_env_string (name, value, isfunc) - const char *name, *value; -+ int isfunc; - { -! size_t name_len, value_len; -! char *p, *q; - - name_len = strlen (name); - value_len = STRLEN (value); -! -! /* If we are exporting a shell function, construct the encoded function -! name. */ -! if (isfunc && value) -! { -! p = (char *)xmalloc (BASHFUNC_PREFLEN + name_len + BASHFUNC_SUFFLEN + value_len + 2); -! q = p; -! memcpy (q, BASHFUNC_PREFIX, BASHFUNC_PREFLEN); -! q += BASHFUNC_PREFLEN; -! memcpy (q, name, name_len); -! q += name_len; -! memcpy (q, BASHFUNC_SUFFIX, BASHFUNC_SUFFLEN); -! q += BASHFUNC_SUFFLEN; -! } -! else -! { -! p = (char *)xmalloc (2 + name_len + value_len); -! memcpy (p, name, name_len); -! q = p + name_len; -! } -! -! q[0] = '='; - if (value && *value) -! memcpy (q + 1, value, value_len + 1); - else -! q[1] = '\0'; -! - return (p); - } -*************** -*** 3953,3957 **** - using the cached exportstr... */ - list[list_index] = USE_EXPORTSTR ? savestring (value) -! : mk_env_string (var->name, value); - - if (USE_EXPORTSTR == 0) ---- 3993,3997 ---- - using the cached exportstr... */ - list[list_index] = USE_EXPORTSTR ? savestring (value) -! : mk_env_string (var->name, value, function_p (var)); - - if (USE_EXPORTSTR == 0) -*** ../bash-4.3/patchlevel.h 2012-12-29 10:47:57.000000000 -0500 ---- patchlevel.h 2014-03-20 20:01:28.000000000 -0400 -*************** -*** 26,30 **** - looks for to find the patch level (for the sccs version string). */ - -! #define PATCHLEVEL 26 - - #endif /* _PATCHLEVEL_H_ */ ---- 26,30 ---- - looks for to find the patch level (for the sccs version string). */ - -! #define PATCHLEVEL 27 - - #endif /* _PATCHLEVEL_H_ */