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Add option to restrict filenames used VMS.

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* src/options.h (enum restrict_files_os): Define "restrict_vms".
* src/init.c (defaults) [__VMS]: Set "opt.restrict_files_os" to
"restrict_vms".
(cmd_spec_restrict_file_names): honor "vms".
* src/url.c (filechr_not_unix): Define "filechr_not_vms".
(filechr_table): Update for VMS.
(append_uri_pathel): Honor opt.restrict_files_os.
(FN_QUERY_SEP): Update for VMS.
(FN_QUERY_SEP_STR): Update for VMS.
This commit is contained in:
Steven M. Schweda 2015-04-02 15:36:42 +02:00 committed by Giuseppe Scrivano
parent eae8b1d565
commit 5efb24e4a2
3 changed files with 42 additions and 24 deletions
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6
src/init.c
View File

@ -397,6 +397,8 @@ defaults (void)
/* The default for file name restriction defaults to the OS type. */
#if defined(WINDOWS) || defined(MSDOS) || defined(__CYGWIN__)
opt.restrict_files_os = restrict_windows;
#elif defined(__VMS)
opt.restrict_files_os = restrict_vms;
#else
opt.restrict_files_os = restrict_unix;
#endif
@ -1481,6 +1483,8 @@ cmd_spec_restrict_file_names (const char *com, const char *val, void *place_igno
if (VAL_IS ("unix"))
restrict_os = restrict_unix;
else if (VAL_IS ("vms"))
restrict_os = restrict_vms;
else if (VAL_IS ("windows"))
restrict_os = restrict_windows;
else if (VAL_IS ("lowercase"))
@ -1495,7 +1499,7 @@ cmd_spec_restrict_file_names (const char *com, const char *val, void *place_igno
{
fprintf (stderr, _("\
%s: %s: Invalid restriction %s,\n\
use [unix|windows],[lowercase|uppercase],[nocontrol],[ascii].\n"),
use [unix|vms|windows],[lowercase|uppercase],[nocontrol],[ascii].\n"),
exec_name, com, quote (val));
return false;
}

1
src/options.h
View File

@ -239,6 +239,7 @@ struct options
enum {
restrict_unix,
restrict_vms,
restrict_windows
} restrict_files_os; /* file name restriction ruleset. */
bool restrict_files_ctrl; /* non-zero if control chars in URLs

39
src/url.c
View File

@ -1328,8 +1328,9 @@ append_string (const char *str, struct growable *dest)
enum {
filechr_not_unix = 1, /* unusable on Unix, / and \0 */
filechr_not_windows = 2, /* unusable on Windows, one of \|/<>?:*" */
filechr_control = 4 /* a control character, e.g. 0-31 */
filechr_not_vms = 2, /* unusable on VMS (ODS5), 0x00-0x1F * ? */
filechr_not_windows = 4, /* unusable on Windows, one of \|/<>?:*" */
filechr_control = 8 /* a control character, e.g. 0-31 */
};
#define FILE_CHAR_TEST(c, mask) \
@ -1338,11 +1339,14 @@ enum {
/* Shorthands for the table: */
#define U filechr_not_unix
#define V filechr_not_vms
#define W filechr_not_windows
#define C filechr_control
#define UVWC U|V|W|C
#define UW U|W
#define UWC U|W|C
#define VC V|C
#define VW V|W
/* Table of characters unsafe under various conditions (see above).
@ -1353,14 +1357,14 @@ enum {
static const unsigned char filechr_table[256] =
{
UWC, C, C, C, C, C, C, C, /* NUL SOH STX ETX EOT ENQ ACK BEL */
C, C, C, C, C, C, C, C, /* BS HT LF VT FF CR SO SI */
C, C, C, C, C, C, C, C, /* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */
C, C, C, C, C, C, C, C, /* CAN EM SUB ESC FS GS RS US */
UVWC, VC, VC, VC, VC, VC, VC, VC, /* NUL SOH STX ETX EOT ENQ ACK BEL */
VC, VC, VC, VC, VC, VC, VC, VC, /* BS HT LF VT FF CR SO SI */
VC, VC, VC, VC, VC, VC, VC, VC, /* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */
VC, VC, VC, VC, VC, VC, VC, VC, /* CAN EM SUB ESC FS GS RS US */
0, 0, W, 0, 0, 0, 0, 0, /* SP ! " # $ % & ' */
0, 0, W, 0, 0, 0, 0, UW, /* ( ) * + , - . / */
0, 0, VW, 0, 0, 0, 0, UW, /* ( ) * + , - . / */
0, 0, 0, 0, 0, 0, 0, 0, /* 0 1 2 3 4 5 6 7 */
0, 0, W, 0, W, 0, W, W, /* 8 9 : ; < = > ? */
0, 0, W, 0, W, 0, W, VW, /* 8 9 : ; < = > ? */
0, 0, 0, 0, 0, 0, 0, 0, /* @ A B C D E F G */
0, 0, 0, 0, 0, 0, 0, 0, /* H I J K L M N O */
0, 0, 0, 0, 0, 0, 0, 0, /* P Q R S T U V W */
@ -1381,10 +1385,13 @@ UWC, C, C, C, C, C, C, C, /* NUL SOH STX ETX EOT ENQ ACK BEL */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
#undef U
#undef V
#undef W
#undef C
#undef UW
#undef UWC
#undef UVWC
#undef VC
#undef VW
/* FN_PORT_SEP is the separator between host and port in file names
for non-standard port numbers. On Unix this is normally ':', as in
@ -1393,10 +1400,14 @@ UWC, C, C, C, C, C, C, C, /* NUL SOH STX ETX EOT ENQ ACK BEL */
#define FN_PORT_SEP (opt.restrict_files_os != restrict_windows ? ':' : '+')
/* FN_QUERY_SEP is the separator between the file name and the URL
query, normally '?'. Since Windows cannot handle '?' as part of
query, normally '?'. Because VMS and Windows cannot handle '?' in a
file name, we use '@' instead there. */
#define FN_QUERY_SEP (opt.restrict_files_os != restrict_windows ? '?' : '@')
#define FN_QUERY_SEP_STR (opt.restrict_files_os != restrict_windows ? "?" : "@")
#define FN_QUERY_SEP \
(((opt.restrict_files_os != restrict_vms) && \
(opt.restrict_files_os != restrict_windows)) ? '?' : '@')
#define FN_QUERY_SEP_STR \
(((opt.restrict_files_os != restrict_vms) && \
(opt.restrict_files_os != restrict_windows)) ? "?" : "@")
/* Quote path element, characters in [b, e), as file name, and append
the quoted string to DEST. Each character is quoted as per
@ -1415,6 +1426,8 @@ append_uri_pathel (const char *b, const char *e, bool escaped,
int mask;
if (opt.restrict_files_os == restrict_unix)
mask = filechr_not_unix;
else if (opt.restrict_files_os == restrict_vms)
mask = filechr_not_vms;
else
mask = filechr_not_windows;
if (opt.restrict_files_ctrl)