aboutsummaryrefslogtreecommitdiffstats
path: root/camel/providers/imap/camel-imap-utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'camel/providers/imap/camel-imap-utils.c')
-rw-r--r--camel/providers/imap/camel-imap-utils.c730
1 files changed, 0 insertions, 730 deletions
diff --git a/camel/providers/imap/camel-imap-utils.c b/camel/providers/imap/camel-imap-utils.c
deleted file mode 100644
index 3f581b0c17..0000000000
--- a/camel/providers/imap/camel-imap-utils.c
+++ /dev/null
@@ -1,730 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Authors: Jeffrey Stedfast <fejj@helixcode.com>
- *
- * Copyright 2000 Helix Code, Inc. (www.helixcode.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
- *
- */
-
-#include <ctype.h>
-#include <stdio.h>
-#include <string.h>
-#include <time.h>
-
-#include "camel-imap-utils.h"
-#include "camel-imap-summary.h"
-#include "camel-folder.h"
-
-#define d(x) x
-
-char *
-imap_next_word (const char *buf)
-{
- char *word;
-
- /* skip over current word */
- for (word = (char *)buf; *word && *word != ' '; word++);
-
- /* skip over white space */
- for ( ; *word && *word == ' '; word++);
-
- return word;
-}
-
-/**
- * imap_parse_list_response:
- * @buf: the LIST or LSUB response
- * @flags: a pointer to a variable to store the flags in, or %NULL
- * @sep: a pointer to a variable to store the hierarchy separator in, or %NULL
- * @folder: a pointer to a variable to store the folder name in, or %NULL
- *
- * Parses a LIST or LSUB response and returns the desired parts of it.
- * If @folder is non-%NULL, its value must be freed by the caller.
- *
- * Return value: whether or not the response was successfully parsed.
- **/
-gboolean
-imap_parse_list_response (const char *buf, int *flags, char *sep, char **folder)
-{
- char *word;
- int len;
-
- if (*buf != '*')
- return FALSE;
-
- word = imap_next_word (buf);
- if (g_strncasecmp (word, "LIST", 4) && g_strncasecmp (word, "LSUB", 4))
- return FALSE;
-
- /* get the flags */
- word = imap_next_word (word);
- if (*word != '(')
- return FALSE;
-
- if (flags)
- *flags = 0;
-
- word++;
- while (*word != ')') {
- len = strcspn (word, " )");
- if (flags) {
- if (!g_strncasecmp (word, "\\Noinferiors", len))
- *flags |= IMAP_LIST_FLAG_NOINFERIORS;
- else if (!g_strncasecmp (word, "\\Noselect", len))
- *flags |= IMAP_LIST_FLAG_NOSELECT;
- else if (!g_strncasecmp (word, "\\Marked", len))
- *flags |= IMAP_LIST_FLAG_MARKED;
- else if (!g_strncasecmp (word, "\\Unmarked", len))
- *flags |= IMAP_LIST_FLAG_UNMARKED;
- }
-
- word += len;
- while (*word == ' ')
- word++;
- }
-
- /* get the directory separator */
- word = imap_next_word (word);
- if (!strncmp (word, "NIL", 3)) {
- if (sep)
- *sep = '\0';
- } else if (*word++ == '"') {
- if (*word == '\\')
- word++;
- if (sep)
- *sep = *word;
- word++;
- if (*word++ != '"')
- return FALSE;
- } else
- return FALSE;
-
- if (folder) {
- /* get the folder name */
- word = imap_next_word (word);
- *folder = imap_parse_astring (&word, &len);
- return *folder != NULL;
- }
-
- return TRUE;
-}
-
-char *
-imap_create_flag_list (guint32 flags)
-{
- GString *gstr;
- char *flag_list;
-
- gstr = g_string_new ("(");
-
- if (flags & CAMEL_MESSAGE_ANSWERED)
- g_string_append (gstr, "\\Answered ");
- if (flags & CAMEL_MESSAGE_DELETED)
- g_string_append (gstr, "\\Deleted ");
- if (flags & CAMEL_MESSAGE_DRAFT)
- g_string_append (gstr, "\\Draft ");
- if (flags & CAMEL_MESSAGE_FLAGGED)
- g_string_append (gstr, "\\Flagged ");
- if (flags & CAMEL_MESSAGE_SEEN)
- g_string_append (gstr, "\\Seen ");
-
- if (gstr->str[gstr->len - 1] == ' ')
- gstr->str[gstr->len - 1] = ')';
- else
- g_string_append_c (gstr, ')');
-
- flag_list = gstr->str;
- g_string_free (gstr, FALSE);
- return flag_list;
-}
-
-guint32
-imap_parse_flag_list (char **flag_list_p)
-{
- char *flag_list = *flag_list_p;
- guint32 flags = 0;
- int len;
-
- if (*flag_list++ != '(') {
- *flag_list_p = NULL;
- return 0;
- }
-
- while (*flag_list && *flag_list != ')') {
- len = strcspn (flag_list, " )");
- if (!g_strncasecmp (flag_list, "\\Answered", len))
- flags |= CAMEL_MESSAGE_ANSWERED;
- else if (!g_strncasecmp (flag_list, "\\Deleted", len))
- flags |= CAMEL_MESSAGE_DELETED;
- else if (!g_strncasecmp (flag_list, "\\Draft", len))
- flags |= CAMEL_MESSAGE_DRAFT;
- else if (!g_strncasecmp (flag_list, "\\Flagged", len))
- flags |= CAMEL_MESSAGE_FLAGGED;
- else if (!g_strncasecmp (flag_list, "\\Seen", len))
- flags |= CAMEL_MESSAGE_SEEN;
-
- flag_list += len;
- if (*flag_list == ' ')
- flag_list++;
- }
-
- if (*flag_list++ != ')') {
- *flag_list_p = NULL;
- return 0;
- }
-
- *flag_list_p = flag_list;
- return flags;
-}
-
-static char imap_atom_specials[128] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
-};
-#define imap_is_atom_char(ch) (isprint (ch) && !imap_atom_specials[ch])
-
-/**
- * imap_parse_string_generic:
- * @str_p: a pointer to a string
- * @len: a pointer to an int to return the length in
- * @type: type of string (#IMAP_STRING, #IMAP_ASTRING, or #IMAP_NSTRING)
- * to parse.
- *
- * This parses an IMAP "string" (quoted string or literal), "nstring"
- * (NIL or string), or "astring" (atom or string) starting at *@str_p.
- * On success, *@str_p will point to the first character after the end
- * of the string, and *@len will contain the length of the returned
- * string. On failure, *@str_p will be set to %NULL.
- *
- * This assumes that the string is in the form returned by
- * camel_imap_command(): that line breaks are indicated by LF rather
- * than CRLF.
- *
- * Return value: the parsed string, or %NULL if a NIL or no string
- * was parsed. (In the former case, *@str_p will be %NULL; in the
- * latter, it will point to the character after the NIL.)
- **/
-char *
-imap_parse_string_generic (char **str_p, int *len, int type)
-{
- char *str = *str_p;
- char *out;
-
- if (!str)
- return NULL;
- else if (*str == '"') {
- char *p;
- int size;
-
- str++;
- size = strcspn (str, "\"") + 1;
- p = out = g_malloc (size);
-
- while (*str && *str != '"') {
- if (*str == '\\')
- str++;
- *p++ = *str++;
- if (p - out == size) {
- out = g_realloc (out, size * 2);
- p = out + size;
- size *= 2;
- }
- }
- if (*str != '"') {
- *str_p = NULL;
- g_free (out);
- return NULL;
- }
- *p = '\0';
- *str_p = str + 1;
- *len = strlen (out);
- return out;
- } else if (*str == '{') {
- *len = strtoul (str + 1, (char **)&str, 10);
- if (*str++ != '}' || *str++ != '\n' || strlen (str) < *len) {
- *str_p = NULL;
- return NULL;
- }
-
- out = g_strndup (str, *len);
- *str_p = str + *len;
- return out;
- } else if (type == IMAP_NSTRING && !g_strncasecmp (str, "nil", 3)) {
- *str_p += 3;
- *len = 0;
- return NULL;
- } else if (type == IMAP_ASTRING &&
- imap_is_atom_char ((unsigned char)*str)) {
- while (imap_is_atom_char ((unsigned char)*str))
- str++;
-
- *len = str - *str_p;
- str = g_strndup (*str_p, *len);
- *str_p += *len;
- return str;
- } else {
- *str_p = NULL;
- return NULL;
- }
-}
-
-static inline void
-skip_char (char **str_p, char ch)
-{
- if (*str_p && **str_p == ch)
- *str_p = *str_p + 1;
- else
- *str_p = NULL;
-}
-
-/* Skip atom, string, or number */
-static void
-skip_asn (char **str_p)
-{
- char *str = *str_p;
-
- if (!str)
- return;
- else if (*str == '"') {
- while (*++str && *str != '"') {
- if (*str == '\\') {
- str++;
- if (!*str)
- break;
- }
- }
- if (*str == '"')
- *str_p = str + 1;
- else
- *str_p = NULL;
- } else if (*str == '{') {
- unsigned long len;
-
- len = strtoul (str + 1, &str, 10);
- if (*str != '}' || *(str + 1) != '\n' ||
- strlen (str + 2) < len) {
- *str_p = NULL;
- return;
- }
- *str_p = str + 2 + len;
- } else {
- /* We assume the string is well-formed and don't
- * bother making sure it's a valid atom.
- */
- while (*str && *str != ')' && *str != ' ')
- str++;
- *str_p = str;
- }
-}
-
-void
-imap_skip_list (char **str_p)
-{
- skip_char (str_p, '(');
- while (*str_p && **str_p != ')') {
- if (**str_p == '(')
- imap_skip_list (str_p);
- else
- skip_asn (str_p);
- if (*str_p && **str_p == ' ')
- skip_char (str_p, ' ');
- }
- skip_char (str_p, ')');
-}
-
-static void
-parse_params (char **parms_p, CamelContentType *type)
-{
- char *parms = *parms_p, *name, *value;
- int len;
-
- if (!g_strncasecmp (parms, "nil", 3)) {
- *parms_p += 3;
- return;
- }
-
- if (*parms++ != '(') {
- *parms_p = NULL;
- return;
- }
-
- while (parms && *parms != ')') {
- name = imap_parse_nstring (&parms, &len);
- skip_char (&parms, ' ');
- value = imap_parse_nstring (&parms, &len);
-
- if (name && value)
- header_content_type_set_param (type, name, value);
- g_free (name);
- g_free (value);
-
- if (parms && *parms == ' ')
- parms++;
- }
-
- if (!parms || *parms++ != ')') {
- *parms_p = NULL;
- return;
- }
- *parms_p = parms;
-}
-
-/**
- * imap_parse_body:
- * @body_p: pointer to the start of an IMAP "body"
- * @folder: an imap folder
- * @ci: a CamelMessageContentInfo to fill in
- *
- * This filles in @ci with data from *@body_p. On success *@body_p
- * will point to the character after the body. On failure, it will be
- * set to %NULL and @ci will be unchanged.
- **/
-void
-imap_parse_body (char **body_p, CamelFolder *folder,
- CamelMessageContentInfo *ci)
-{
- char *body = *body_p;
- CamelMessageContentInfo *child;
- CamelContentType *type;
- int len;
-
- if (*body++ != '(') {
- *body_p = NULL;
- return;
- }
-
- if (*body == '(') {
- /* multipart */
- GPtrArray *children;
- char *subtype;
- int i;
-
- /* Parse the child body parts */
- children = g_ptr_array_new ();
- i = 0;
- while (body && *body == '(') {
- child = camel_folder_summary_content_info_new (folder->summary);
- g_ptr_array_add (children, child);
- imap_parse_body (&body, folder, child);
- if (!body)
- break;
- child->parent = ci;
- }
- skip_char (&body, ' ');
-
- /* Parse the multipart subtype */
- subtype = imap_parse_string (&body, &len);
-
- /* If there is a parse error, abort. */
- if (!body) {
- for (i = 0; i < children->len; i++) {
- child = children->pdata[i];
- camel_folder_summary_content_info_free (folder->summary, child);
- }
- g_ptr_array_free (children, TRUE);
- *body_p = NULL;
- return;
- }
-
- g_strdown (subtype);
- ci->type = header_content_type_new ("multipart", subtype);
- g_free (subtype);
-
- /* Chain the children. */
- ci->childs = children->pdata[0];
- ci->size = 0;
- for (i = 0; i < children->len - 1; i++) {
- child = children->pdata[i];
- child->next = children->pdata[i + 1];
- ci->size += child->size;
- }
- g_ptr_array_free (children, TRUE);
- } else {
- /* single part */
- char *main_type, *subtype;
- char *id, *description, *encoding;
- guint32 size;
-
- main_type = imap_parse_string (&body, &len);
- skip_char (&body, ' ');
- subtype = imap_parse_string (&body, &len);
- skip_char (&body, ' ');
- if (!body) {
- g_free (main_type);
- g_free (subtype);
- *body_p = NULL;
- return;
- }
- g_strdown (main_type);
- g_strdown (subtype);
- type = header_content_type_new (main_type, subtype);
- g_free (main_type);
- g_free (subtype);
- parse_params (&body, type);
- skip_char (&body, ' ');
-
- id = imap_parse_nstring (&body, &len);
- skip_char (&body, ' ');
- description = imap_parse_nstring (&body, &len);
- skip_char (&body, ' ');
- encoding = imap_parse_string (&body, &len);
- skip_char (&body, ' ');
- if (body)
- size = strtoul (body, &body, 10);
-
- child = NULL;
- if (header_content_type_is (type, "message", "rfc822")) {
- skip_char (&body, ' ');
- imap_skip_list (&body); /* envelope */
- skip_char (&body, ' ');
- child = camel_folder_summary_content_info_new (folder->summary);
- imap_parse_body (&body, folder, child);
- if (!body)
- camel_folder_summary_content_info_free (folder->summary, child);
- skip_char (&body, ' ');
- if (body)
- strtoul (body, &body, 10);
- } else if (header_content_type_is (type, "text", "*")) {
- if (body)
- strtoul (body, &body, 10);
- }
-
- if (body) {
- ci->type = type;
- ci->id = id;
- ci->description = description;
- ci->encoding = encoding;
- ci->size = size;
- ci->childs = child;
- } else {
- header_content_type_unref (type);
- g_free (id);
- g_free (description);
- g_free (encoding);
- }
- }
-
- if (!body || *body++ != ')') {
- *body_p = NULL;
- return;
- }
-
- *body_p = body;
-}
-
-/**
- * imap_quote_string:
- * @str: the string to quote, which must not contain CR or LF
- *
- * Return value: an IMAP "quoted" corresponding to the string, which
- * the caller must free.
- **/
-char *
-imap_quote_string (const char *str)
-{
- const char *p;
- char *quoted, *q;
- int len;
-
- len = strlen (str);
- p = str;
- while ((p = strpbrk (p, "\"\\"))) {
- len++;
- p++;
- }
-
- quoted = q = g_malloc (len + 3);
- *q++ = '"';
- while ((p = strpbrk (str, "\"\\"))) {
- memcpy (q, str, p - str);
- q += p - str;
- *q++ = '\\';
- *q++ = *p++;
- str = p;
- }
- sprintf (q, "%s\"", str);
-
- return quoted;
-}
-
-
-static inline unsigned long
-get_summary_uid_numeric (CamelFolderSummary *summary, int index)
-{
- CamelMessageInfo *info;
- unsigned long uid;
-
- info = camel_folder_summary_index (summary, index);
- uid = strtoul (camel_message_info_uid (info), NULL, 10);
- camel_folder_summary_info_free (summary, info);
- return uid;
-}
-
-/**
- * imap_uid_array_to_set:
- * @summary: summary for the folder the UIDs come from
- * @uids: a (sorted) array of UIDs
- *
- * Creates an IMAP "set" covering the listed UIDs and not covering
- * any UIDs that are in @summary but not in @uids. It doesn't
- * actually require that all (or any) of the UIDs be in @summary.
- *
- * Return value: the set, which the caller must free with g_free()
- **/
-char *
-imap_uid_array_to_set (CamelFolderSummary *summary, GPtrArray *uids)
-{
- int ui, si, scount;
- unsigned long last_uid, next_summary_uid, this_uid;
- gboolean range = FALSE;
- GString *gset;
- char *set;
-
- g_return_val_if_fail (uids->len > 0, NULL);
-
- gset = g_string_new (uids->pdata[0]);
- last_uid = strtoul (uids->pdata[0], NULL, 10);
- next_summary_uid = 0;
- scount = camel_folder_summary_count (summary);
-
- for (ui = 1, si = 0; ui < uids->len; ui++) {
- /* Find the next UID in the summary after the one we
- * just wrote out.
- */
- for (; last_uid >= next_summary_uid && si < scount; si++)
- next_summary_uid = get_summary_uid_numeric (summary, si);
- if (last_uid >= next_summary_uid)
- next_summary_uid = (unsigned long) -1;
-
- /* Now get the next UID from @uids */
- this_uid = strtoul (uids->pdata[ui], NULL, 10);
- if (this_uid == next_summary_uid || this_uid == last_uid + 1)
- range = TRUE;
- else {
- if (range) {
- g_string_sprintfa (gset, ":%lu", last_uid);
- range = FALSE;
- }
- g_string_sprintfa (gset, ",%lu", this_uid);
- }
-
- last_uid = this_uid;
- }
-
- if (range)
- g_string_sprintfa (gset, ":%lu", last_uid);
-
- set = gset->str;
- g_string_free (gset, FALSE);
-
- return set;
-}
-
-/**
- * imap_uid_set_to_array:
- * @summary: summary for the folder the UIDs come from
- * @uids: a pointer to the start of an IMAP "set" of UIDs
- *
- * Fills an array with the UIDs corresponding to @uids and @summary.
- * There can be text after the uid set in @uids, which will be
- * ignored.
- *
- * If @uids specifies a range of UIDs that extends outside the range
- * of @summary, the function will assume that all of the "missing" UIDs
- * do exist.
- *
- * Return value: the array of uids, which the caller must free with
- * imap_uid_array_free(). (Or %NULL if the uid set can't be parsed.)
- **/
-GPtrArray *
-imap_uid_set_to_array (CamelFolderSummary *summary, const char *uids)
-{
- GPtrArray *arr;
- char *p, *q;
- unsigned long uid, suid;
- int si, scount;
-
- arr = g_ptr_array_new ();
- scount = camel_folder_summary_count (summary);
-
- p = (char *)uids;
- si = 0;
- do {
- uid = strtoul (p, &q, 10);
- if (p == q)
- goto lose;
- g_ptr_array_add (arr, g_strndup (p, q - p));
-
- if (*q == ':') {
- /* Find the summary entry for the UID after the one
- * we just saw.
- */
- while (++si < scount) {
- suid = get_summary_uid_numeric (summary, si);
- if (suid > uid)
- break;
- }
- if (si >= scount)
- suid = uid + 1;
-
- uid = strtoul (q + 1, &p, 10);
- if (p == q + 1)
- goto lose;
-
- /* Add each summary UID until we find one
- * larger than the end of the range
- */
- while (suid <= uid) {
- g_ptr_array_add (arr, g_strdup_printf ("%lu", suid));
- if (++si < scount)
- suid = get_summary_uid_numeric (summary, si);
- else
- suid++;
- }
- } else
- p = q;
- } while (*p++ == ',');
-
- return arr;
-
- lose:
- g_warning ("Invalid uid set %s", uids);
- imap_uid_array_free (arr);
- return NULL;
-}
-
-/**
- * imap_uid_array_free:
- * @arr: an array returned from imap_uid_set_to_array()
- *
- * Frees @arr
- **/
-void
-imap_uid_array_free (GPtrArray *arr)
-{
- int i;
-
- for (i = 0; i < arr->len; i++)
- g_free (arr->pdata[i]);
- g_ptr_array_free (arr, TRUE);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 14:41:32 +0800