void context_read (void);
void context_replace (char *, char *);
void context_save (void);
-char *copy (const char *, char *);
char **copyip (char **, char **, int);
void cpydata (int, int, const char *, const char *);
void cpydgst (int, int, char *, char *);
*/
char *get_charset(void);
-char *getcpy (const char *);
+/* Return malloc'd copy of str, or of "" if NULL, exit on failure. */
+char *getcpy(const char *str);
+
char *get_default_editor(void);
char *getfolder(int);
char *nmh_getpass(const char *);
char *new_fs (char *, char *, char *);
char *path(char *, int);
-int peekc(FILE *ib);
int pidwait (pid_t, int);
int pidstatus (int, FILE *, char *);
char *pluspath(char *);
void print_help (char *, struct swit *, int);
+void print_intro (FILE *, int);
void print_sw (const char *, const struct swit *, char *, FILE *);
void print_version (char *);
void push (void);
char *r1bindex(char *, int);
void readconfig (struct node **, FILE *, const char *, int);
int refile (char **, char *);
-void ruserpass (char *, char **, char **);
+
+/*
+ * Read our credentials file and (optionally) ask the user for anything
+ * missing.
+ *
+ * Arguments:
+ *
+ * host - Hostname (to scan credentials file)
+ * aname - Pointer to filled-in username
+ * apass - Pointer to filled-in password
+ * flags - One or more of RUSERPASS_NO_PROMPT_USER,
+ * RUSERPASS_NO_PROMPT_PASSWORD
+ */
+void ruserpass (const char *host, char **aname, char **apass, int flags);
+#define RUSERPASS_NO_PROMPT_USER 0x01
+#define RUSERPASS_NO_PROMPT_PASSWORD 0x02
+
int remdir (char *);
void scan_detect_mbox_style (FILE *);
void scan_finished ();
*/
int writeBase64aux(FILE *in, FILE *out, int crlf);
-int writeBase64 (unsigned char *, size_t, unsigned char *);
-int writeBase64raw (unsigned char *, size_t, unsigned char *);
+int writeBase64 (const unsigned char *, size_t, unsigned char *);
+int writeBase64raw (const unsigned char *, size_t, unsigned char *);
/*
- * first argument: the string to be decoded
- * second argument: the decoded bytes
- * third argument: number of decoded bytes
- * fourth argument: non-zero for text content, and for which CR's should be skipped
- * fifth argument: for an MD5 digest, it can be null
+ * encoded - the string to be decoded
+ * decoded - the decoded bytes
+ * len - number of decoded bytes
+ * skip-crs - non-zero for text content, and for which CR's should be
+ * skipped
+ * digest - for an MD5 digest, it can be null
*/
-int decodeBase64 (const char *, const char **, size_t *, int, unsigned char *);
+int decodeBase64 (const char *encoded, unsigned char **decoded, size_t *len,
+ int skip_crs, unsigned char *digest);
void hexify (const unsigned char *, size_t, char **);
* credentials management
*/
void init_credentials_file ();
-int nmh_get_credentials (char *, char *, int, nmh_creds_t);
/*
- * temporary file management
+ * Allocate and return a credentials structure. The credentials structure
+ * is now opaque; you need to use accessors to get inside of it. The
+ * accessors will only prompt the user for missing fields if they are
+ * needed.
+ *
+ * Arguments:
+ *
+ * host - Hostname we're connecting to (used to search credentials file)
+ * user - Username we are logging in as; can be NULL.
+ *
+ * Returns NULL on error, otherwise an allocated nmh_creds structure.
+ */
+nmh_creds_t nmh_get_credentials (const char *host, const char *user);
+
+/*
+ * Retrieve the user from a nmh_creds structure. May prompt the user
+ * if one is not defined.
+ *
+ * Arguments:
+ *
+ * creds - Structure from previous nmh_get_credentials() call
+ *
+ * Returns NULL on error, otherwise a NUL-termined string containing
+ * the username. Points to allocated memory in the credentials structure
+ * that is free()d by nmh_free_credentials().
+ */
+const char *nmh_cred_get_user(nmh_creds_t creds);
+
+/*
+ * Retrieve the password from an nmh_creds structure. Otherwise identical
+ * to nmh_cred_get_user().
+ */
+const char *nmh_cred_get_password(nmh_creds_t creds);
+
+/*
+ * Free an allocated nmh_creds structure.
+ */
+void nmh_credentials_free(nmh_creds_t creds);
+
+/*
+ * program initialization
+ *
+ * argv0 - argv[0], presumably the program name
+ * read_context - 0: don't read context
+ * - 1: read context, check nmh version, and issue warning message
+ * if non-existent or old
+ * - 2: read context, don't check nmh version
*/
int nmh_init(const char *argv0, int read_context);
+
+/*
+ * temporary file management
+ */
int m_unlink(const char *);
void unregister_for_removal(int remove_files);