/*
* Abstract types for MIME parsing/building
*/
-typedef struct cefile *CE;
-typedef struct CTinfo *CI;
-typedef struct Content *CT;
+typedef struct cefile *CE;
+typedef struct CTinfo *CI;
+typedef struct Content *CT;
+typedef struct Parameter *PM;
/*
* type for Init function (both type and transfer encoding)
HF next; /* link to next header field */
};
+/*
+ * Structure for holding MIME parameter elements.
+ */
+struct Parameter {
+ char *pm_name; /* Parameter name */
+ char *pm_value; /* Parameter value */
+ char *pm_charset; /* Parameter character set (optional) */
+ char *pm_lang; /* Parameter language tag (optional) */
+ PM pm_next; /* Pointer to next element */
+};
+
/*
* Structure for storing parsed elements
* of the Content-Type component.
struct CTinfo {
char *ci_type; /* content type */
char *ci_subtype; /* content subtype */
- char *ci_attrs[NPARMS + 2]; /* attribute names */
- char *ci_values[NPARMS]; /* attribute values */
+ PM ci_first_pm; /* Pointer to first MIME parameter */
+ PM ci_last_pm; /* Pointer to last MIME parameter */
char *ci_comment; /* RFC-822 comments */
char *ci_magic;
};
char *c_id; /* Content-ID: */
char *c_descr; /* Content-Description: */
char *c_dispo; /* Content-Disposition: */
+ char *c_dispo_type; /* Type of Content-Disposition */
+ PM c_dispo_first; /* Pointer to first disposition parm */
+ PM c_dispo_last; /* Pointer to last disposition parm */
char *c_partno; /* within multipart content */
/* Content-Type info */
/* Content-Transfer-Encoding info (decoded contents) */
struct cefile c_cefile; /* structure holding decoded content */
int c_encoding; /* internal flag for encoding type */
+ int c_reqencoding; /* Requested encoding (by mhbuild) */
/* Content-MD5 info */
int c_digested; /* have we seen this header before? */
SizeCEFunc c_cesizefnx; /* size of decoded contents */
int c_umask; /* associated umask */
- pid_t c_pid; /* process doing display */
int c_rfc934; /* rfc934 compatibility flag */
char *c_showproc; /* default, if not in profile */
/*
* prototypes
*/
-int pidcheck (int);
CT parse_mime (char *);
/*
* that the composition file is already in MIME format
* and will not be processed further. Otherwise, an
* error is generated.
+ * dist - A flag to indicate if we are being run by "dist". In
+ * that case, add no MIME headers to the message. Existing
+ * headers will still be encoded by RFC 2047.
* directives - A flag to control whether or not build directives are
* processed by default.
* encoding - The default encoding to use when doing RFC 2047 header
* encoding. Must be one of CE_UNKNOWN, CE_BASE64, or
- * CE_QUOTED;
+ * CE_QUOTED.
+ * maxunencoded - The maximum line length before the default encoding for
+ * text parts is quoted-printable.
+ * verbose - If 1, output verbose information during message composition
*
* Returns a CT structure describing the resulting MIME message. If the
* -auto flag is set and a MIME-Version header is encountered, the return
* value is NULL.
*/
-CT build_mime (char *infile, int autobuild, int directives, int encoding);
+CT build_mime (char *infile, int autobuild, int dist, int directives,
+ int encoding, size_t maxunencoded, int verbose);
int add_header (CT, char *, char *);
int get_ctinfo (char *, CT, int);
const struct str2init *get_ct_init (int);
const char *ce_str (int);
const struct str2init *get_ce_method (const char *);
-int parse_header_attrs (const char *, int, char **, CI, int *);
+char *content_charset (CT);
+int convert_charset (CT, char *, int *);
+
+/*
+ * Given a content structure, return true if the content has a disposition
+ * of "inline".
+ *
+ * Arguments are:
+ *
+ * ct - Content structure to examine
+ */
+int is_inline(CT ct);
+
+/*
+ * Given a list of messages, display information about them on standard
+ * output.
+ *
+ * Arguments are:
+ *
+ * cts - An array of CT elements of messages that need to be
+ * displayed. Array is terminated by a NULL.
+ * headsw - If 1, display a column header.
+ * sizesw - If 1, display the size of the part.
+ * verbosw - If 1, display verbose information
+ * debugsw - If 1, turn on debugging for the output.
+ * disposw - If 1, display MIME part disposition information.
+ *
+ */
+void list_all_messages(CT *cts, int headsw, int sizesw, int verbosw,
+ int debugsw, int disposw);
+
+/*
+ * List the content information of a single MIME part on stdout.
+ *
+ * Arguments are:
+ *
+ * ct - MIME Content structure to display.
+ * toplevel - If set, we're at the top level of a message
+ * realsize - If set, determine the real size of the content
+ * verbose - If set, output verbose information
+ * debug - If set, turn on debugging for the output
+ * dispo - If set, display MIME part disposition information.
+ *
+ * Returns OK on success, NOTOK otherwise.
+ */
+int list_content(CT ct, int toplevel, int realsize, int verbose, int debug,
+ int dispo);
+
+/*
+ * Display content-appropriate information on MIME parts, decending recursively
+ * into multipart content if appropriate. Uses list_content() for displaying
+ * generic information.
+ *
+ * Arguments and return value are the same as list_content().
+ */
+int list_switch(CT ct, int toplevel, int realsize, int verbose, int debug,
+ int dispo);
+
+/*
+ * Given a linked list of parameters, build an output string for them. This
+ * string is designed to be concatenated on an already-built header.
+ *
+ * Arguments are:
+ *
+ * initialwidth - Current width of the header. Used to compute when to wrap
+ * parameters on the first line. The following lines will
+ * be prefixed by a tab (\t) character.
+ * params - Pointer to head of linked list of parameters.
+ * offsetout - The final line offset after all the parameters have been
+ * output. May be NULL.
+ * external - If set, outputting an external-body type and will not
+ * output a "body" parameter.
+
+ * Returns a pointer to the resulting parameter string. This string must
+ * be free()'d by the caller. Returns NULL on error.
+ */
+char *output_params(size_t initialwidth, PM params, int *offsetout,
+ int external);
+
+/*
+ * Add a parameter to the parameter linked list.
+ *
+ * Arguments are:
+ *
+ * first - Pointer to head of linked list
+ * last - Pointer to tail of linked list
+ * name - Name of parameter
+ * value - Value of parameter
+ * nocopy - If set, will use the pointer values directly for "name"
+ * and "value" instead of making their own copy. These
+ * pointers will be free()'d later by the MIME routines, so
+ * they should not be used after calling this function!
+ *
+ * Returns allocated parameter element
+ */
+PM add_param(PM *first, PM *last, char *name, char *value, int nocopy);
+
+/*
+ * Replace (or add) a parameter to the parameter linked list.
+ *
+ * If the named parameter already exists on the parameter linked list,
+ * replace the value with the new one. Otherwise add it to the linked
+ * list. All parameters are identical to add_param().
+ */
+PM replace_param(PM *first, PM *last, char *name, char *value, int nocopy);
+
+/*
+ * Retrieve a parameter value from a parameter linked list. Convert to the
+ * local character set if required.
+ *
+ * Arguments are:
+ *
+ * first - Pointer to head of parameter linked list.
+ * name - Name of parameter.
+ * replace - If characters in the parameter list cannot be converted to
+ * the local character set, replace with this character.
+ * fetchonly - If true, return pointer to original value, no conversion
+ * performed.
+ *
+ * Returns parameter value if found, NULL otherwise. Memory must be free()'d
+ * unless fetchonly is set.
+ */
+
+char *get_param(PM first, const char *name, char replace, int fetchonly);
+
+/*
+ * Fetch a parameter value from a parameter structure, converting it to
+ * the local character set.
+ *
+ * Arguments are:
+ *
+ * pm - Pointer to parameter structure
+ * replace - If characters in the parameter list cannot be converted to
+ * the local character set, replace with this character.
+ *
+ * Returns a pointer to the parameter value. Memory is stored in an
+ * internal buffer, so the returned value is only valid until the next
+ * call to get_param_value() or get_param() (get_param() uses get_param_value()
+ * internally).
+ */
+char *get_param_value(PM pm, char replace);
+
+/*
+ * Display MIME message(s) on standard out.
+ *
+ * Arguments are:
+ *
+ * cts - NULL terminated array of CT structures for messages
+ * to display
+ * concat - If true, concatenate all MIME parts. If false, show each
+ * MIME part under a separate pager.
+ * textonly - If true, only display "text" MIME parts
+ * inlineonly - If true, only display MIME parts that are marked with
+ * a disposition of "inline" (includes parts that lack a
+ * Content-Disposition header).
+ * markerform - The name of a file containg mh-format(5) code used to
+ * display markers about non-displayed MIME parts.
+ */
+void show_all_messages(CT *cts, int concat, int textonly, int inlineonly,
+ char *markerform);
+
+/*
+ * Display (or store) a single MIME part using the specified command
+ *
+ * Arguments are:
+ *
+ * ct - The Content structure of the MIME part we wish to display
+ * alternate - Set this to true if this is one part of a MIME
+ * multipart/alternative part. Will suppress some errors and
+ * will cause the function to return DONE instead of OK on
+ * success.
+ * cp - The command string to execute. Will be run through the
+ * parser for %-escapes as described in mhshow(1).
+ * cracked - If set, chdir() to this directory before executing the
+ * command in "cp". Only used by mhstore(1).
+ * fmt - A series of mh-format(5) instructions to execute if the
+ * command string indicates a marker is desired. Can be NULL.
+ *
+ * Returns NOTOK if we could not display the part, DONE if alternate was
+ * set and we could display the part, and OK if alternate was not set and
+ * we could display the part.
+ */
+struct format;
+int show_content_aux(CT ct, int alternate, char *cp, char *cracked,
+ struct format *fmt);
extern int checksw; /* Add Content-MD5 field */
projects / nmh / blobdiff