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#include <stdio.h> |
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#include <stdlib.h> |
| 3 |
#include <string.h> |
| 4 |
#include <ctype.h> |
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#include <limits.h> |
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#include <regex.h> |
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|
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#include "config.h" |
| 9 |
#include "imapfilter.h" |
| 10 |
#include "account.h" |
| 11 |
#include "struct.h" |
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|
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|
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extern unsigned int flags; |
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|
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account_t *accounts = NULL; /* First node of accounts linked list. */ |
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mboxgrp_t *mboxgrps = NULL; /* First node of mailbox-groups tree. */ |
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|
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account_t *cur_acct = NULL; /* Current account. */ |
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|
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|
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void init_account(account_t * node); |
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|
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void init_mboxgrp(mboxgrp_t * node); |
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void process_mboxgrp(mboxgrp_t * node, char *mboxs); |
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|
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void init_mbox(mbox_t * node); |
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mbox_t *set_mbox(char *name); |
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|
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int string_decode(char *str); |
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|
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|
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/* |
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* Set new account's variables to safe values. |
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*/ |
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void |
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init_account(account_t * node) |
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{ |
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node->next = NULL; |
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node->key[0] = node->server[0] = '\0'; |
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node->username[0] = node->password[0] = '\0'; |
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node->passwdattr = PASSWORD_NONE; |
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node->port = 143; |
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node->ssl = SSL_DISABLED; |
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node->mboxes = NULL; |
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} |
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|
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|
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/* |
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* A new account entry was declared. Create it and set it's variables |
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* accordingly. |
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*/ |
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int |
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set_account(char *line, regmatch_t * m) |
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{ |
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int n; |
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char p[6]; |
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account_t *node; |
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|
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node = (account_t *) xmalloc(sizeof(account_t)); |
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node->password = (char *)smalloc(PASSWORD_LEN); |
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|
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init_account(node); |
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|
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strncat(node->key, line + m[1].rm_so, |
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min(m[1].rm_eo - m[1].rm_so, KEY_LEN - 1)); |
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|
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#ifdef DEBUG |
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fprintf(stderr, "debug: ACCOUNT: '%s'\n", node->key); |
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#endif |
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|
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if (m[3].rm_so != -1) { |
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strncat(node->username, line + m[3].rm_so, |
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min(m[3].rm_eo - m[3].rm_so, USERNAME_LEN - 1)); |
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} else { |
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strncat(node->username, line + m[5].rm_so, |
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min(m[5].rm_eo - m[5].rm_so, USERNAME_LEN - 1)); |
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} |
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if (strchr(node->username, '%')) |
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if (string_decode(node->username)) |
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return ERROR_CONFIG_PARSE; |
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|
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#ifdef DEBUG |
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fprintf(stderr, "debug: USERNAME: '%s'\n", node->username); |
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#endif |
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|
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if (m[4].rm_so != -1) { |
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strncat(node->password, line + m[4].rm_so, |
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min(m[4].rm_eo - m[4].rm_so, PASSWORD_LEN - 1)); |
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if (strchr(node->password, '%')) |
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if (string_decode(node->password)) |
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return ERROR_CONFIG_PARSE; |
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node->passwdattr = PASSWORD_PLAIN; |
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} else |
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flags |= FLAG_BLANK_PASSWORD; |
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|
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#ifdef DEBUG |
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fprintf(stderr, "debug: PASSWORD: '%s'\n", node->password); |
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#endif |
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|
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strncat(node->server, line + m[6].rm_so, |
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min(m[6].rm_eo - m[6].rm_so, SERVER_LEN - 1)); |
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|
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#ifdef DEBUG |
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fprintf(stderr, "debug: SERVER: '%s'\n", node->server); |
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#endif |
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|
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if (m[7].rm_so != -1) { |
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n = min(m[7].rm_eo - m[7].rm_so - 1, 5); |
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xstrncpy(p, line + m[7].rm_so + 1, n); |
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p[n] = '\0'; |
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node->port = strtoul(p, NULL, 10); |
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#ifdef DEBUG |
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fprintf(stderr, "debug: PORT: %d\n", node->port); |
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#endif |
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} |
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if (m[8].rm_so != -1) { |
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if (m[7].rm_so == -1) |
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node->port = 993; |
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|
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if (strcasestr(line + m[8].rm_so, "SSL2")) |
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node->ssl = SSL_SSL_V2; |
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else if (strcasestr(line + m[8].rm_so, "SSL3")) |
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node->ssl = SSL_SSL_V3; |
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else |
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node->ssl = SSL_TLS_V1; |
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} |
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APPEND_LINKED_LIST(accounts, node, account); |
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cur_acct = node; |
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|
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return 0; |
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} |
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|
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|
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#ifdef ENCRYPTED_PASSWORDS |
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/* |
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* Find accounts without a password (candicates for password encryption). |
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*/ |
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char * |
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find_password(char *user, char *serv) |
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{ |
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account_t *a; |
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|
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for (a = accounts; a != NULL; a = a->next) |
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if (a->passwdattr == PASSWORD_NONE && |
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!strcmp(a->server, serv) && !strcmp(a->username, user)) { |
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a->passwdattr = PASSWORD_ENCRYPTED; |
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return a->password; |
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} |
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return NULL; |
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} |
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#endif |
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|
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|
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/* |
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* Set new mailbox-group's variables to safe values. |
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*/ |
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void |
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init_mboxgrp(mboxgrp_t * node) |
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{ |
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node->left = node->right = NULL; |
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node->key[0] = '\0'; |
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node->mboxes[0] = NULL; |
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} |
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|
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|
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/* |
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* A new mailbox-group entry was declared. Create it and set it's variables |
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* accordingly. |
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*/ |
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int |
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set_mboxgrp(char *line, regmatch_t * m) |
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{ |
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mboxgrp_t *node; |
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char mboxs[LINE_MAX]; |
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|
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mboxs[0] = '\0'; |
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|
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if (accounts == NULL) |
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return ERROR_CONFIG_PARSE; |
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|
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node = (mboxgrp_t *) xmalloc(sizeof(mboxgrp_t)); |
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|
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init_mboxgrp(node); |
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|
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strncat(node->key, line + m[1].rm_so, |
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min(m[1].rm_eo - m[1].rm_so, KEY_LEN - 1)); |
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|
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#ifdef DEBUG |
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fprintf(stderr, "debug: FOLDER: '%s'\n", node->key); |
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#endif |
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|
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strncat(mboxs, line + m[2].rm_so, |
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min(m[2].rm_eo - m[2].rm_so, LINE_MAX - 1)); |
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|
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process_mboxgrp(node, mboxs); |
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|
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INSERT_TREE(mboxgrps, node, mboxgrp); |
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|
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return 0; |
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} |
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|
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|
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/* |
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* Calls set_mbox() in order to create mailboxes that are part of |
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* the mailbox-group. |
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*/ |
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void |
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process_mboxgrp(mboxgrp_t * node, char *mboxs) |
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{ |
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unsigned int i; |
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char *tok; |
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|
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i = 0; |
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|
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tok = strtok_r(mboxs, ",", &mboxs); |
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while (i < MBOXGRP_MBOXES_MAX - 1 && tok != NULL) { |
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node->mboxes[i] = (mbox_t *) set_mbox(tok); |
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node->mboxes[++i] = NULL; |
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|
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tok = strtok_r(NULL, ",", &mboxs); |
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} |
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} |
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|
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|
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/* |
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* Set new mailbox's variables to safe values. |
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*/ |
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void |
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init_mbox(mbox_t * node) |
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{ |
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node->next = NULL; |
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node->name[0] = '\0'; |
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node->filters[0] = NULL; |
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} |
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|
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|
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/* |
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* A new mailbox was declared, create it and set it's variables accordingly. |
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*/ |
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mbox_t * |
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set_mbox(char *name) |
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{ |
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char s[MBOX_NAME_LEN]; |
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mbox_t *node, *m; |
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|
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*s = '\0'; |
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|
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if (*name == '"' && *(name + strlen(name) - 1) == '"') |
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strncat(s, name + 1, min(strlen(name) - 2, MBOX_NAME_LEN - 1)); |
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else |
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strncat(s, name, min(strlen(name), MBOX_NAME_LEN - 1)); |
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|
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for (m = cur_acct->mboxes; m != NULL; m = m->next) |
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if (!strcmp(m->name, s)) |
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return m; |
| 257 |
|
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node = (mbox_t *) xmalloc(sizeof(mbox_t)); |
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|
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init_mbox(node); |
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|
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strncat(node->name, s, MBOX_NAME_LEN - 1); |
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|
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#ifdef DEBUG |
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fprintf(stderr, "debug: MBOX: '%s'\n", node->name); |
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#endif |
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|
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APPEND_LINKED_LIST(cur_acct->mboxes, node, mbox); |
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|
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return node; |
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} |
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|
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|
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/* |
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* Decode the character triplet, consisting of the character '%' |
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* followed by two hexadecimal digits to its corresponding ASCII |
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* character (described in Section 2.2 of RFC 1738). |
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*/ |
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int |
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string_decode(char *str) |
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{ |
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char *c; |
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char hex[3]; |
| 284 |
|
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c = str; |
| 286 |
|
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while (*c != '\0') { |
| 288 |
if (*c == '%') { |
| 289 |
if (!isxdigit((unsigned char)(*(c + 1))) || |
| 290 |
!isxdigit((unsigned char)(*(c + 2)))) |
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return ERROR_CONFIG_PARSE; |
| 292 |
|
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xstrncpy(hex, ++c, 2); |
| 294 |
hex[2] = '\0'; |
| 295 |
|
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if (!isprint((unsigned char)(*str = (char)strtoul(hex, |
| 297 |
NULL, 16)))) |
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return ERROR_CONFIG_PARSE; |
| 299 |
|
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str++; |
| 301 |
c += 2; |
| 302 |
} else |
| 303 |
*(str++) = *(c++); |
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} |
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*str = '\0'; |
| 306 |
|
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return 0; |
| 308 |
} |
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|
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|
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/* |
| 312 |
* Convert the names of personal mailboxes using the namespace specified |
| 313 |
* by the mail server. |
| 314 |
*/ |
| 315 |
char * |
| 316 |
apply_namespace(char *mbox, char *prefix, char delim) |
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{ |
| 318 |
static char m[MBOX_NAME_LEN]; |
| 319 |
char *c; |
| 320 |
|
| 321 |
if ((prefix[0] == '\0' && delim == '\0') || |
| 322 |
(prefix[0] == '\0' && delim == '/') || |
| 323 |
!strcasecmp(mbox, "INBOX")) |
| 324 |
return mbox; |
| 325 |
|
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m[0] = '\0'; |
| 327 |
strncat(m, prefix, MBOX_NAME_LEN - 1); |
| 328 |
strncat(m, mbox, MBOX_NAME_LEN - strlen(m) - 1); |
| 329 |
|
| 330 |
c = m; |
| 331 |
while ((c = strchr(c, '/'))) |
| 332 |
*(c++) = delim; |
| 333 |
|
| 334 |
#ifdef DEBUG |
| 335 |
fprintf(stderr, "debug: MAILBOX: '%s'\n", m); |
| 336 |
#endif |
| 337 |
|
| 338 |
return m; |
| 339 |
} |
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