#include <sasl/saslutil.h>
#include <lib-sys/mutt_socket.h>
-#include <lib-ui/curses.h>
+#include <lib-ui/lib-ui.h>
#include "crypt.h"
#include "mutt.h"
#include "mutt_sasl.h"
#include "pop.h"
-#define POP_PORT 110
-#define POP_SSL_PORT 995
-
-/* number of entries in the hash table */
-#define POP_CACHE_LEN 10
-
+#define POP_PORT 110
+#define POP_SSL_PORT 995
+#define POP_CACHE_LEN 10
/* maximal length of the server response (RFC1939) */
-#define POP_CMD_RESPONSE 512
+#define POP_CMD_RESPONSE 512
enum {
- /* Status */
- POP_NONE = 0,
- POP_CONNECTED,
- POP_DISCONNECTED,
- POP_BYE
+ /* Status */
+ POP_NONE = 0,
+ POP_CONNECTED,
+ POP_DISCONNECTED,
+ POP_BYE
};
typedef enum {
- POP_A_SUCCESS = 0,
- POP_A_SOCKET,
- POP_A_FAILURE,
- POP_A_UNAVAIL
+ POP_A_SUCCESS = 0,
+ POP_A_SOCKET,
+ POP_A_FAILURE,
+ POP_A_UNAVAIL
} pop_auth_res_t;
typedef struct {
char *path;
} POP_CACHE;
-typedef enum pop_query_status_e {
- PFD_FUNCT_ERROR = -3, /* pop_fetch_data uses pop_query_status and this return value */
- PQ_ERR = -2,
- PQ_NOT_CONNECTED = -1,
- PQ_OK = 0
+typedef enum {
+ /* pop_fetch_data uses pop_query_status and this return value */
+ PFD_FUNCT_ERROR = -3,
+ PQ_ERR = -2,
+ PQ_NOT_CONNECTED = -1,
+ PQ_OK = 0
} pop_query_status;
-typedef enum cmd_status_e {
- CMD_NOT_AVAILABLE = 0,
- CMD_AVAILABLE,
- CMD_UNKNOWN /* unknown whether it is available or not */
+typedef enum {
+ CMD_NOT_AVAILABLE = 0,
+ CMD_AVAILABLE,
+ CMD_UNKNOWN /* unknown whether it is available or not */
} cmd_status;
typedef struct {
- CONNECTION *conn;
- unsigned int status:2;
- unsigned int capabilities:1;
- unsigned int use_stls:2;
- cmd_status cmd_capa; /* optional command CAPA */
- cmd_status cmd_stls; /* optional command STLS */
- cmd_status cmd_user; /* optional command USER */
- cmd_status cmd_uidl; /* optional command UIDL */
- cmd_status cmd_top; /* optional command TOP */
- unsigned int resp_codes:1; /* server supports extended response codes */
- unsigned int expire:1; /* expire is greater than 0 */
- unsigned int clear_cache:1;
- size_t size;
- time_t check_time;
- time_t login_delay; /* minimal login delay capability */
- char *auth_list; /* list of auth mechanisms */
- char *timestamp;
- char err_msg[POP_CMD_RESPONSE];
- POP_CACHE cache[POP_CACHE_LEN];
-} POP_DATA;
-
-/* Copy error message to err_msg buffer */
-static void pop_error (POP_DATA * pop_data, char *msg)
+ CONNECTION *conn;
+
+ unsigned status : 2;
+ unsigned capabilities : 1;
+ unsigned use_stls : 2;
+ cmd_status cmd_capa : 2; /* optional command CAPA */
+ cmd_status cmd_stls : 2; /* optional command STLS */
+ cmd_status cmd_uidl : 2; /* optional command UIDL */
+ cmd_status cmd_top : 2; /* optional command TOP */
+ cmd_status cmd_user : 2; /* optional command USER */
+ unsigned resp_codes : 1; /* server supports extended response codes */
+ unsigned expire : 1; /* expire is greater than 0 */
+ unsigned clear_cache : 1;
+
+ ssize_t size;
+ time_t check_time;
+ char *auth_list; /* list of auth mechanisms */
+ char *timestamp;
+ char err_msg[POP_CMD_RESPONSE];
+ POP_CACHE cache[POP_CACHE_LEN];
+} pop_data_t;
+
+/* pop low level functions {{{ */
+
+static void pop_error(pop_data_t *pop_data, const char *msg)
{
- char *t, *c, *c2;
-
- t = strchr (pop_data->err_msg, '\0');
- c = msg;
-
- if (!m_strncmp(msg, "-ERR ", 5)) {
- c2 = vskipspaces(msg + 5);
- if (*c2)
- c = c2;
- }
+ if (!m_strncmp(msg, "-ERR ", 5)) {
+ const char *s = skipspaces(msg + 5);
+ if (*s)
+ msg = s;
+ }
- m_strcpy(t, sizeof(pop_data->err_msg) - strlen(pop_data->err_msg), c);
- m_strrtrim(pop_data->err_msg);
+ m_strcat(pop_data->err_msg, sizeof(pop_data->err_msg), msg);
+ m_strrtrim(pop_data->err_msg);
}
/*
* -1 - conection lost,
* -2 - invalid command or execution error.
*/
-static pop_query_status pop_query (POP_DATA * pop_data, char *buf, size_t buflen)
+static pop_query_status _pop_query(pop_data_t *pop_data, char *buf, ssize_t buflen)
{
- char *c;
-
- if (pop_data->status != POP_CONNECTED)
- return PQ_NOT_CONNECTED;
+ if (pop_data->status != POP_CONNECTED)
+ return PQ_NOT_CONNECTED;
- mutt_socket_write(pop_data->conn, buf);
+ mutt_socket_write(pop_data->conn, buf);
+ snprintf(pop_data->err_msg, sizeof(pop_data->err_msg), "%.*s: ",
+ (int)(strpbrk(buf, " \r\n") - buf), buf);
- c = strpbrk (buf, " \r\n");
- *c = '\0';
- snprintf (pop_data->err_msg, sizeof (pop_data->err_msg), "%s: ", buf);
-
- if (mutt_socket_readln (buf, buflen, pop_data->conn) < 0) {
- pop_data->status = POP_DISCONNECTED;
- return PQ_NOT_CONNECTED;
- }
- if (!m_strncmp(buf, "+OK", 3))
- return PQ_OK;
+ if (mutt_socket_readln(buf, buflen, pop_data->conn) < 0) {
+ pop_data->status = POP_DISCONNECTED;
+ return PQ_NOT_CONNECTED;
+ }
+ if (!m_strncmp(buf, "+OK", 3))
+ return PQ_OK;
- pop_error (pop_data, buf);
- return PQ_ERR;
+ pop_error(pop_data, buf);
+ return PQ_ERR;
}
+#define pop_query(pd, b, l, fmt, ...) \
+ (snprintf(b, l, fmt "\r\n", ##__VA_ARGS__), _pop_query(pd, b, l))
/*
- * This function calls funct(*line, *data) for each received line,
- * funct(NULL, *data) if rewind(*data) needs, exits when fail or done.
- * Returned codes:
+ * Open connection
* 0 - successful,
* -1 - conection lost,
- * -2 - invalid command or execution error,
- * -3 - error in funct(*line, *data)
- */
-static pop_query_status
-pop_fetch_data(POP_DATA *pop_data, const char *query, progress_t *bar,
- int (*funct)(char *, void *), void *data)
+ * -2 - invalid response.
+*/
+static pop_query_status pop_connect(pop_data_t * pop_data)
{
- char buf[LONG_STRING];
- char *inbuf;
- char *p;
- pop_query_status ret;
- int chunk = 0;
- long pos = 0;
- size_t lenbuf = 0;
-
- m_strcpy(buf, sizeof(buf), query);
- ret = pop_query (pop_data, buf, sizeof (buf));
- if (ret != PQ_OK)
- return ret;
+ char buf[LONG_STRING];
+ const char *p, *q;
- inbuf = p_new(char, sizeof(buf));
-
- for (;;) {
- chunk =
- mutt_socket_readln(buf, sizeof (buf), pop_data->conn);
- if (chunk < 0) {
- pop_data->status = POP_DISCONNECTED;
- ret = PQ_NOT_CONNECTED;
- break;
+ if (mutt_socket_open(pop_data->conn) < 0
+ || mutt_socket_readln(buf, sizeof(buf), pop_data->conn) < 0)
+ {
+ mutt_error(_("Error connecting to server: %s"),
+ pop_data->conn->account.host);
+ pop_data->status = POP_NONE;
+ return PQ_NOT_CONNECTED;
}
- p = buf;
- if (!lenbuf && buf[0] == '.') {
- if (buf[1] != '.')
- break;
- p++;
+ pop_data->status = POP_CONNECTED;
+ if (m_strncmp(buf, "+OK", 3)) {
+ pop_data->err_msg[0] = '\0';
+ pop_error(pop_data, buf);
+ mutt_error("%s", pop_data->err_msg);
+ return PQ_ERR;
}
- m_strcpy(inbuf + lenbuf,sizeof(buf), p);
- pos += chunk;
-
- if (chunk >= ssizeof(buf)) {
- lenbuf += strlen (p);
- } else {
- if (bar)
- mutt_progress_bar (bar, pos);
- if (ret == 0 && funct (inbuf, data) < 0)
- ret = PFD_FUNCT_ERROR;
- lenbuf = 0;
+ p_delete(&pop_data->timestamp);
+ if ((p = strchr(buf, '<')) && (q = strchr(p, '>'))) {
+ pop_data->timestamp = p_dupstr(p, q + 1 - p);
}
-
- p_realloc(&inbuf, lenbuf + sizeof(buf));
- }
-
- p_delete(&inbuf);
- return ret;
+ return PQ_OK;
}
-/* SASL authenticator */
-static pop_auth_res_t pop_auth_sasl (POP_DATA * pop_data, const char *method)
+static void pop_logout (CONTEXT * ctx)
{
- sasl_conn_t *saslconn;
- sasl_interact_t *interaction = NULL;
- int rc;
+ pop_query_status ret = 0;
char buf[LONG_STRING];
- char inbuf[LONG_STRING];
- const char *mech;
+ pop_data_t *pop_data = (pop_data_t *) ctx->data;
- const char *pc = NULL;
- unsigned int len, olen;
- unsigned char client_start;
+ if (pop_data->status == POP_CONNECTED) {
+ mutt_message _("Closing connection to POP server...");
- if (mutt_sasl_client_new (pop_data->conn, &saslconn) < 0) {
- return POP_A_FAILURE;
- }
+ if (ctx->readonly) {
+ ret = pop_query(pop_data, buf, sizeof(buf), "RSET");
+ }
- if (!method)
- method = pop_data->auth_list;
+ if (ret != PQ_NOT_CONNECTED) {
+ pop_query(pop_data, buf, sizeof(buf), "QUIT");
+ }
- for (;;) {
- rc = sasl_client_start (saslconn, method, &interaction, &pc, &olen,
- &mech);
- if (rc != SASL_INTERACT)
- break;
- mutt_sasl_interact (interaction);
+ mutt_clear_error ();
}
- if (rc != SASL_OK && rc != SASL_CONTINUE) {
- /* SASL doesn't support suggested mechanisms, so fall back */
- return POP_A_UNAVAIL;
- }
+ pop_data->status = POP_DISCONNECTED;
+ return;
+}
- client_start = (olen > 0);
+/* }}} */
+/* Authentication {{{ */
- mutt_message _("Authenticating (SASL)...");
+static pop_auth_res_t pop_auth_sasl(pop_data_t *pop_data, const char *method)
+{
+ sasl_conn_t *saslconn;
+ sasl_interact_t *interaction = NULL;
- snprintf (buf, sizeof (buf), "AUTH %s", mech);
- olen = strlen (buf);
+ char buf[LONG_STRING], inbuf[LONG_STRING];
+ const char *mech, *pc = NULL;
+ unsigned int len, olen;
+ unsigned char client_start;
+ int rc;
- /* looping protocol */
- for (;;) {
- m_strcpy(buf + olen, sizeof(buf) - olen, "\r\n");
- mutt_socket_write (pop_data->conn, buf);
- if (mutt_socket_readln (inbuf, sizeof (inbuf), pop_data->conn) < 0) {
- sasl_dispose (&saslconn);
- pop_data->status = POP_DISCONNECTED;
- return POP_A_SOCKET;
+ if (mutt_sasl_client_new(pop_data->conn, &saslconn) < 0) {
+ return POP_A_FAILURE;
}
- if (rc != SASL_CONTINUE)
- break;
+ if (!method)
+ method = pop_data->auth_list;
- if (!m_strncmp(inbuf, "+ ", 2)
- && sasl_decode64 (inbuf, strlen (inbuf), buf, LONG_STRING - 1,
- &len) != SASL_OK)
- {
- goto bail;
+ for (;;) {
+ rc = sasl_client_start(saslconn, method, &interaction, &pc, &olen,
+ &mech);
+ if (rc != SASL_INTERACT)
+ break;
+ mutt_sasl_interact(interaction);
}
- if (!client_start)
- for (;;) {
- rc = sasl_client_step (saslconn, buf, len, &interaction, &pc, &olen);
- if (rc != SASL_INTERACT)
- break;
- mutt_sasl_interact (interaction);
- }
- else
- client_start = 0;
-
- if (rc != SASL_CONTINUE && (olen == 0 || rc != SASL_OK))
- break;
+ if (rc != SASL_OK && rc != SASL_CONTINUE) {
+ return POP_A_UNAVAIL;
+ }
- /* send out response, or line break if none needed */
- if (pc) {
- if (sasl_encode64 (pc, olen, buf, sizeof (buf), &olen) != SASL_OK) {
- goto bail;
- }
+ client_start = (olen > 0);
+ mutt_message(_("Authenticating (SASL)..."));
+ snprintf(buf, sizeof (buf), "AUTH %s", mech);
+ olen = strlen (buf);
+
+ /* looping protocol */
+ for (;;) {
+ m_strcpy(buf + olen, sizeof(buf) - olen, "\r\n");
+ mutt_socket_write(pop_data->conn, buf);
+ if (mutt_socket_readln(inbuf, sizeof(inbuf), pop_data->conn) < 0) {
+ sasl_dispose(&saslconn);
+ pop_data->status = POP_DISCONNECTED;
+ return POP_A_SOCKET;
+ }
- /* sasl_client_st(art|ep) allocate pc with malloc, expect me to
- * free it */
- p_delete((char **)&pc);
- }
- }
+ if (rc != SASL_CONTINUE)
+ break;
- if (rc != SASL_OK)
- goto bail;
+ if (!m_strncmp(inbuf, "+ ", 2)
+ && sasl_decode64(inbuf, strlen(inbuf),
+ buf, sizeof(buf) - 1, &len) != SASL_OK)
+ {
+ goto bail;
+ }
- if (!m_strncmp(inbuf, "+OK", 3)) {
- mutt_sasl_setup_conn (pop_data->conn, saslconn);
- return POP_A_SUCCESS;
- }
+ if (!client_start) {
+ for (;;) {
+ rc = sasl_client_step(saslconn, buf, len, &interaction, &pc,
+ &olen);
+ if (rc != SASL_INTERACT)
+ break;
+ mutt_sasl_interact(interaction);
+ }
+ } else {
+ client_start = 0;
+ }
-bail:
- sasl_dispose (&saslconn);
+ if (rc != SASL_CONTINUE && (olen == 0 || rc != SASL_OK))
+ break;
- /* terminate SASL sessoin if the last responce is not +OK nor -ERR */
- if (!m_strncmp(inbuf, "+ ", 2)) {
- snprintf (buf, sizeof (buf), "*\r\n");
- if (pop_query (pop_data, buf, sizeof (buf)) == PQ_NOT_CONNECTED)
- return POP_A_SOCKET;
- }
+ /* send out response, or line break if none needed */
+ if (pc) {
+ if (sasl_encode64(pc, olen, buf, sizeof(buf), &olen) != SASL_OK) {
+ goto bail;
+ }
+ p_delete((char **)&pc);
+ }
+ }
- mutt_error _("SASL authentication failed.");
+ if (rc != SASL_OK)
+ goto bail;
- mutt_sleep (2);
+ if (!m_strncmp(inbuf, "+OK", 3)) {
+ mutt_sasl_setup_conn(pop_data->conn, saslconn);
+ return POP_A_SUCCESS;
+ }
- return POP_A_FAILURE;
-}
+ bail:
+ sasl_dispose(&saslconn);
+ p_delete((char **)&pc);
-/* Get the server timestamp for APOP authentication */
-static void pop_apop_timestamp (POP_DATA * pop_data, char *buf)
-{
- char *p1, *p2;
+ /* terminate SASL session if the last responce is not +OK nor -ERR */
+ if (!m_strncmp(inbuf, "+ ", 2)) {
+ if (pop_query(pop_data, buf, sizeof(buf), "*") == PQ_NOT_CONNECTED)
+ return POP_A_SOCKET;
+ }
- p_delete(&pop_data->timestamp);
+ mutt_error(_("SASL authentication failed."));
+ mutt_sleep(2);
- if ((p1 = strchr (buf, '<')) && (p2 = strchr (p1, '>'))) {
- p2[1] = '\0';
- pop_data->timestamp = m_strdup(p1);
- }
+ return POP_A_FAILURE;
}
-/* APOP authenticator */
-static pop_auth_res_t pop_auth_apop (POP_DATA * pop_data,
- const char *method __attribute__ ((unused)))
+static pop_auth_res_t pop_auth_apop(pop_data_t *pop_data, const char *method)
{
- MD5_CTX mdContext;
- unsigned char digest[16];
- char hash[33];
- char buf[LONG_STRING];
- int i;
-
- if (!pop_data->timestamp)
- return POP_A_UNAVAIL;
-
- mutt_message _("Authenticating (APOP)...");
-
- /* Compute the authentication hash to send to the server */
- MD5Init (&mdContext);
- MD5Update (&mdContext, (unsigned char *) pop_data->timestamp,
- strlen (pop_data->timestamp));
- MD5Update (&mdContext, (unsigned char *) pop_data->conn->account.pass,
- strlen (pop_data->conn->account.pass));
- MD5Final (digest, &mdContext);
-
- for (i = 0; i < ssizeof(digest); i++)
- sprintf (hash + 2 * i, "%02x", digest[i]);
-
- /* Send APOP command to server */
- snprintf(buf, sizeof(buf), "APOP %s %s\r\n", pop_data->conn->account.user,
- hash);
-
- switch (pop_query (pop_data, buf, sizeof (buf))) {
- case PQ_OK:
- return POP_A_SUCCESS;
- case PQ_NOT_CONNECTED:
- return POP_A_SOCKET;
- case PFD_FUNCT_ERROR:
- case PQ_ERR:
- default:
- break;
- }
-
- mutt_error ("%s %s", _("APOP authentication failed."), pop_data->err_msg);
- mutt_sleep (2);
-
- return POP_A_FAILURE;
+ MD5_CTX mdContext;
+ unsigned char digest[16];
+ char hash[33];
+ char buf[LONG_STRING];
+ int i;
+
+ if (!pop_data->timestamp)
+ return POP_A_UNAVAIL;
+
+ mutt_message _("Authenticating (APOP)...");
+
+ /* Compute the authentication hash to send to the server */
+ MD5Init(&mdContext);
+ MD5Update(&mdContext, (unsigned char *)pop_data->timestamp,
+ strlen(pop_data->timestamp));
+ MD5Update(&mdContext, (unsigned char *)pop_data->conn->account.pass,
+ strlen(pop_data->conn->account.pass));
+ MD5Final(digest, &mdContext);
+
+ for (i = 0; i < countof(digest); i++)
+ sprintf(hash + 2 * i, "%02x", digest[i]);
+
+ switch (pop_query(pop_data, buf, sizeof(buf), "APOP %s %s",
+ pop_data->conn->account.user, hash))
+ {
+ case PQ_OK:
+ return POP_A_SUCCESS;
+ case PQ_NOT_CONNECTED:
+ return POP_A_SOCKET;
+ default:
+ mutt_error("%s %s", _("APOP authentication failed."), pop_data->err_msg);
+ mutt_sleep(2);
+ return POP_A_FAILURE;
+ }
}
-/* USER authenticator */
-static pop_auth_res_t pop_auth_user (POP_DATA * pop_data,
- const char *method __attribute__ ((unused)))
+static pop_auth_res_t pop_auth_user(pop_data_t *pop_data, const char *method)
{
- char buf[LONG_STRING];
- pop_query_status ret;
+ char buf[LONG_STRING];
+ pop_query_status ret;
- if (pop_data->cmd_user == CMD_NOT_AVAILABLE)
- return POP_A_UNAVAIL;
+ if (pop_data->cmd_user == CMD_NOT_AVAILABLE)
+ return POP_A_UNAVAIL;
- mutt_message _("Logging in...");
+ mutt_message _("Authenticating (USER)...");
+ ret = pop_query(pop_data, buf, sizeof(buf), "USER %s",
+ pop_data->conn->account.user);
- snprintf (buf, sizeof (buf), "USER %s\r\n", pop_data->conn->account.user);
- ret = pop_query (pop_data, buf, sizeof (buf));
+ if (pop_data->cmd_user == CMD_UNKNOWN) {
+ if (ret == PQ_OK)
+ pop_data->cmd_user = CMD_AVAILABLE;
+ if (ret == PQ_ERR)
+ pop_data->cmd_user = CMD_NOT_AVAILABLE;
+ }
- if (pop_data->cmd_user == CMD_UNKNOWN) {
if (ret == PQ_OK) {
- pop_data->cmd_user = CMD_AVAILABLE;
+ ret = pop_query(pop_data, buf, sizeof(buf), "PASS %s",
+ pop_data->conn->account.pass);
}
- if (ret == PQ_ERR) {
- pop_data->cmd_user = CMD_NOT_AVAILABLE;
-
- snprintf (pop_data->err_msg, sizeof (pop_data->err_msg),
- _("Command USER is not supported by server."));
+ switch (ret) {
+ case PQ_OK:
+ return POP_A_SUCCESS;
+ case PQ_NOT_CONNECTED:
+ return POP_A_SOCKET;
+ default:
+ mutt_error("%s %s", _("USER authentication failed."), pop_data->err_msg);
+ mutt_sleep(2);
+ return POP_A_FAILURE;
}
- }
-
- if (ret == PQ_OK) {
- snprintf (buf, sizeof (buf), "PASS %s\r\n", pop_data->conn->account.pass);
- ret = pop_query (pop_data, buf, sizeof (buf));
- }
-
- switch (ret) {
- case PQ_OK:
- return POP_A_SUCCESS;
- case PQ_NOT_CONNECTED:
- return POP_A_SOCKET;
- case PFD_FUNCT_ERROR:
- case PQ_ERR:
- default:
- break;
- }
-
- mutt_error ("%s %s", _("Login failed."), pop_data->err_msg);
- mutt_sleep (2);
-
- return POP_A_FAILURE;
}
-/*
- * Open connection
- * 0 - successful,
- * -1 - conection lost,
- * -2 - invalid response.
-*/
-static pop_query_status pop_connect (POP_DATA * pop_data)
-{
- char buf[LONG_STRING];
+typedef struct {
+ pop_auth_res_t (*do_auth)(pop_data_t *, const char *);
+ const char *method;
+} pop_auth_t;
- pop_data->status = POP_NONE;
- if (mutt_socket_open (pop_data->conn) < 0 ||
- mutt_socket_readln (buf, sizeof (buf), pop_data->conn) < 0) {
- mutt_error (_("Error connecting to server: %s"),
- pop_data->conn->account.host);
- return PQ_NOT_CONNECTED;
- }
+static pop_query_status pop_authenticate (pop_data_t * pop_data)
+{
+ static pop_auth_t const pop_authenticators[] = {
+ {pop_auth_sasl, NULL},
+ {pop_auth_apop, "apop"},
+ {pop_auth_user, "user"},
+ {NULL, NULL}
+ };
+
+ ACCOUNT *act = &pop_data->conn->account;
+ const pop_auth_t *auth;
+ int attempts = 0;
+
+ if (mutt_account_getuser(act) || !act->user[0]
+ || mutt_account_getpass(act) || !act->pass[0])
+ {
+ return PFD_FUNCT_ERROR;
+ }
- pop_data->status = POP_CONNECTED;
+ if (!m_strisempty(PopAuthenticators)) {
+ const char *p, *q;
+ char buf[STRING];
- if (m_strncmp(buf, "+OK", 3)) {
- *pop_data->err_msg = '\0';
- pop_error (pop_data, buf);
- mutt_error ("%s", pop_data->err_msg);
- return PQ_ERR;
- }
+ for (p = PopAuthenticators; ; p = q) {
+ while (*p == ':')
+ p++;
+ if (!*p)
+ break;
- pop_apop_timestamp (pop_data, buf);
+ q = strchrnul(p, ':');
+ m_strncpy(buf, sizeof(buf), p, q - p);
+
+ for (auth = pop_authenticators; auth->do_auth; auth++) {
+ if (auth->method && ascii_strcasecmp(auth->method, buf))
+ continue;
+
+ switch (auth->do_auth(pop_data, buf)) {
+ case POP_A_SUCCESS:
+ return PQ_OK;
+ case POP_A_SOCKET:
+ return PQ_NOT_CONNECTED;
+ case POP_A_UNAVAIL:
+ break;
+ case POP_A_FAILURE:
+ attempts++;
+ break;
+ }
+ mutt_socket_close(pop_data->conn);
+ }
+ }
+ } else {
+ for (auth = pop_authenticators; auth->do_auth; auth++) {
+ switch (auth->do_auth(pop_data, auth->method)) {
+ case POP_A_SUCCESS:
+ return PQ_OK;
+ case POP_A_SOCKET:
+ return PQ_NOT_CONNECTED;
+ case POP_A_UNAVAIL:
+ break;
+ case POP_A_FAILURE:
+ attempts++;
+ break;
+ }
+ mutt_socket_close(pop_data->conn);
+ }
+ }
- return PQ_OK;
+ if (!attempts)
+ mutt_error(_("No authenticators available"));
+ return PQ_ERR;
}
-typedef struct {
- /* do authentication, using named method or any available if method is NULL */
- pop_auth_res_t (*authenticate) (POP_DATA *, const char *);
- /* name of authentication method supported, NULL means variable. If this
- * is not null, authenticate may ignore the second parameter. */
- const char *method;
-} pop_auth_t;
+/* }}} */
/*
- * Authentication
+ * This function calls funct(*line, *data) for each received line,
+ * funct(NULL, *data) if rewind(*data) needs, exits when fail or done.
+ * Returned codes:
* 0 - successful,
* -1 - conection lost,
- * -2 - login failed,
- * -3 - authentication canceled.
-*/
-static pop_query_status pop_authenticate (POP_DATA * pop_data)
+ * -2 - invalid command or execution error,
+ * -3 - error in funct(*line, *data)
+ */
+static pop_query_status
+pop_fetch_data(pop_data_t *pop_data, const char *query, progress_t *bar,
+ int (*funct)(char *, void *), void *data)
{
- static pop_auth_t const pop_authenticators[] = {
- {pop_auth_sasl, NULL},
- {pop_auth_apop, "apop"},
- {pop_auth_user, "user"},
- {NULL, NULL}
- };
-
- ACCOUNT *act = &pop_data->conn->account;
- const pop_auth_t *authenticator;
- char *methods;
- char *comma;
- char *method;
- int attempts = 0;
- int ret = POP_A_UNAVAIL;
-
- if (mutt_account_getuser (act) || !act->user[0] ||
- mutt_account_getpass (act) || !act->pass[0])
- return PFD_FUNCT_ERROR;
+ pop_query_status ret;
+ char buf[LONG_STRING];
+ buffer_t inbuf;
+ ssize_t pos = 0;
- if (PopAuthenticators && *PopAuthenticators) {
- /* Try user-specified list of authentication methods */
- methods = m_strdup(PopAuthenticators);
- method = methods;
-
- while (method) {
- comma = strchr (method, ':');
- if (comma)
- *comma++ = '\0';
- authenticator = pop_authenticators;
-
- while (authenticator->authenticate) {
- if (!authenticator->method ||
- !ascii_strcasecmp (authenticator->method, method)) {
- ret = authenticator->authenticate (pop_data, method);
- if (ret == POP_A_SOCKET)
- switch (pop_connect (pop_data)) {
- case PQ_OK:
- {
- ret = authenticator->authenticate (pop_data, method);
- break;
- }
- default:
- ret = POP_A_FAILURE;
- }
+ buffer_init(&inbuf);
- if (ret != POP_A_UNAVAIL)
- attempts++;
- if (ret == POP_A_SUCCESS || ret == POP_A_SOCKET ||
- (ret == POP_A_FAILURE && !option (OPTPOPAUTHTRYALL))) {
- comma = NULL;
- break;
- }
- }
- authenticator++;
- }
+ m_strcpy(buf, sizeof(buf), query);
+ ret = _pop_query(pop_data, buf, sizeof(buf));
+ if (ret != PQ_OK)
+ return ret;
- method = comma;
- }
+ for (;;) {
+ int dot = 0;
- p_delete(&methods);
- }
- else {
- /* Fall back to default: any authenticator */
- authenticator = pop_authenticators;
-
- while (authenticator->authenticate) {
- ret = authenticator->authenticate (pop_data, authenticator->method);
- if (ret == POP_A_SOCKET)
- switch (pop_connect (pop_data)) {
- case PQ_OK:
- {
- ret =
- authenticator->authenticate (pop_data, authenticator->method);
+ if (mutt_socket_readln2(&inbuf, pop_data->conn) < 0) {
+ pop_data->status = POP_DISCONNECTED;
+ ret = PQ_NOT_CONNECTED;
break;
- }
- default:
- ret = POP_A_FAILURE;
}
- if (ret != POP_A_UNAVAIL)
- attempts++;
- if (ret == POP_A_SUCCESS || ret == POP_A_SOCKET ||
- (ret == POP_A_FAILURE && !option (OPTPOPAUTHTRYALL)))
- break;
-
- authenticator++;
- }
- }
-
- switch (ret) {
- case POP_A_SUCCESS:
- return PQ_OK;
- case POP_A_SOCKET:
- return PQ_NOT_CONNECTED;
- case POP_A_UNAVAIL:
- if (!attempts)
- mutt_error (_("No authenticators available"));
- }
-
- return PQ_ERR;
-}
-/* given an POP mailbox name, return host, port, username and password */
-static int pop_parse_path (const char *path, ACCOUNT * act)
-{
- ciss_url_t url;
- char *c;
- int ret = -1;
+ if (bar) {
+ mutt_progress_bar(bar, pos += inbuf.len);
+ }
- /* Defaults */
- act->flags = 0;
- act->port = POP_PORT;
- act->type = M_ACCT_TYPE_POP;
+ if (inbuf.data[0] == '.') {
+ if (inbuf.data[1] != '.')
+ break;
+ dot = 1;
+ }
- c = m_strdup(path);
- url_parse_ciss (&url, c);
+ if (funct(inbuf.data + dot, data) < 0) {
+ buffer_wipe(&inbuf);
+ ret = PFD_FUNCT_ERROR;
+ break;
+ }
- if (url.scheme == U_POP || url.scheme == U_POPS) {
- if (url.scheme == U_POPS) {
- act->flags |= M_ACCT_SSL;
- act->port = POP_SSL_PORT;
+ buffer_reset(&inbuf);
}
- if ((!url.path || !*url.path) && mutt_account_fromurl (act, &url) == 0)
- ret = 0;
- }
-
- p_delete(&c);
- return ret;
+ buffer_wipe(&inbuf);
+ return ret;
}
-/* Parse CAPA output */
static int fetch_capa (char *line, void *data)
{
- POP_DATA *pop_data = (POP_DATA *) data;
+ pop_data_t *pop_data = (pop_data_t *) data;
char *c;
if (!ascii_strncasecmp (line, "SASL", 4)) {
else if (!ascii_strncasecmp (line, "STLS", 4))
pop_data->cmd_stls = CMD_AVAILABLE;
- else if (!ascii_strncasecmp (line, "USER", 4))
- pop_data->cmd_user = CMD_AVAILABLE;
-
else if (!ascii_strncasecmp (line, "UIDL", 4))
pop_data->cmd_uidl = CMD_AVAILABLE;
return 0;
}
-/* Fetch list of the authentication mechanisms */
static int fetch_auth (char *line, void *data)
{
- POP_DATA *pop_data = (POP_DATA *) data;
+ pop_data_t *pop_data = (pop_data_t *) data;
ssize_t auth_list_len;
if (!pop_data->auth_list) {
* -1 - conection lost,
* -2 - execution error.
*/
-static pop_query_status pop_capabilities (POP_DATA * pop_data, int mode)
+static pop_query_status pop_capabilities(pop_data_t * pop_data, int mode)
{
- char buf[LONG_STRING];
-
/* don't check capabilities on reconnect */
if (pop_data->capabilities)
return 0;
/* init capabilities */
if (mode == 0) {
- pop_data->cmd_capa = CMD_NOT_AVAILABLE;
- pop_data->cmd_stls = CMD_NOT_AVAILABLE;
- pop_data->cmd_user = CMD_NOT_AVAILABLE;
- pop_data->cmd_uidl = CMD_NOT_AVAILABLE;
- pop_data->cmd_top = CMD_NOT_AVAILABLE;
+ pop_data->cmd_capa = CMD_NOT_AVAILABLE;
+ pop_data->cmd_stls = CMD_NOT_AVAILABLE;
+ pop_data->cmd_uidl = CMD_NOT_AVAILABLE;
+ pop_data->cmd_top = CMD_NOT_AVAILABLE;
+ pop_data->cmd_user = CMD_NOT_AVAILABLE;
pop_data->resp_codes = 0;
- pop_data->expire = 1;
- pop_data->login_delay = 0;
+ pop_data->expire = 1;
p_delete(&pop_data->auth_list);
}
/* Execute CAPA command */
if (mode == 0 || pop_data->cmd_capa != CMD_NOT_AVAILABLE) {
- m_strcpy(buf, sizeof(buf), "CAPA\r\n");
- switch (pop_fetch_data (pop_data, buf, NULL, fetch_capa, pop_data)) {
+ switch (pop_fetch_data(pop_data, "CAPA\r\n", NULL, fetch_capa, pop_data)) {
case PQ_OK:
- {
- pop_data->cmd_capa = CMD_AVAILABLE;
- break;
- }
+ pop_data->cmd_capa = CMD_AVAILABLE;
+ break;
case PFD_FUNCT_ERROR:
case PQ_ERR:
- {
- pop_data->cmd_capa = CMD_NOT_AVAILABLE;
- break;
- }
+ pop_data->cmd_capa = CMD_NOT_AVAILABLE;
+ break;
case PQ_NOT_CONNECTED:
return PQ_NOT_CONNECTED;
}
/* CAPA not supported, use defaults */
if (mode == 0 && pop_data->cmd_capa == CMD_NOT_AVAILABLE) {
- pop_data->cmd_user = CMD_UNKNOWN;
pop_data->cmd_uidl = CMD_UNKNOWN;
pop_data->cmd_top = CMD_UNKNOWN;
- m_strcpy(buf, sizeof(buf), "AUTH\r\n");
- if (pop_fetch_data (pop_data, buf, NULL, fetch_auth, pop_data) == PQ_NOT_CONNECTED)
+ if (pop_fetch_data(pop_data, "AUTH\r\n", NULL, fetch_auth, pop_data) ==
+ PQ_NOT_CONNECTED)
return PQ_NOT_CONNECTED;
}
/* Check capabilities */
if (mode == 2) {
- char *msg = NULL;
+ const char *msg = NULL;
if (!pop_data->expire)
msg = _("Unable to leave messages on server.");
return PQ_OK;
}
-/*
- * Open connection and authenticate
- * 0 - successful,
- * -1 - conection lost,
- * -2 - invalid command or execution error,
- * -3 - authentication canceled.
-*/
-static pop_query_status pop_open_connection (POP_DATA * pop_data)
+/* given an POP mailbox name, return host, port, username and password */
+static int pop_parse_path (const char *path, ACCOUNT * act)
{
- pop_query_status ret;
- unsigned int n, size;
- char buf[LONG_STRING];
+ ciss_url_t url;
+ char *c;
+ int ret = -1;
- ret = pop_connect (pop_data);
- if (ret != PQ_OK) {
- mutt_sleep (2);
- return ret;
+ /* Defaults */
+ act->flags = 0;
+ act->port = POP_PORT;
+ act->type = M_ACCT_TYPE_POP;
+
+ c = m_strdup(path);
+ url_parse_ciss (&url, c);
+
+ if (url.scheme == U_POP || url.scheme == U_POPS) {
+ if (url.scheme == U_POPS) {
+ act->has_ssl = 1;
+ act->port = POP_SSL_PORT;
+ }
+
+ if ((!url.path || !*url.path) && mutt_account_fromurl (act, &url) == 0)
+ ret = 0;
+ }
+
+ p_delete(&c);
+ return ret;
+}
+
+/*
+ * Open connection and authenticate
+ * 0 - successful,
+ * -1 - conection lost,
+ * -2 - invalid command or execution error,
+ * -3 - authentication canceled.
+*/
+static pop_query_status pop_open_connection (pop_data_t * pop_data)
+{
+ pop_query_status ret;
+ int n, size;
+ char buf[LONG_STRING];
+
+ ret = pop_connect(pop_data);
+ if (ret != PQ_OK) {
+ mutt_sleep (2);
+ return ret;
}
ret = pop_capabilities (pop_data, 0);
pop_data->use_stls = 2;
}
if (pop_data->use_stls == 2) {
- m_strcpy(buf, sizeof(buf), "STLS\r\n");
- ret = pop_query (pop_data, buf, sizeof (buf));
+ ret = pop_query(pop_data, buf, sizeof(buf), "STLS");
if (ret == PQ_NOT_CONNECTED)
goto err_conn;
if (ret != PQ_OK) {
}
/* get total size of mailbox */
- m_strcpy(buf, sizeof(buf), "STAT\r\n");
- ret = pop_query (pop_data, buf, sizeof (buf));
+ ret = pop_query(pop_data, buf, sizeof(buf), "STAT");
if (ret == PQ_NOT_CONNECTED)
goto err_conn;
if (ret == PQ_ERR) {
return PQ_NOT_CONNECTED;
}
-/* logout from POP server */
-static void pop_logout (CONTEXT * ctx)
-{
- pop_query_status ret = 0;
- char buf[LONG_STRING];
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
-
- if (pop_data->status == POP_CONNECTED) {
- mutt_message _("Closing connection to POP server...");
-
- if (ctx->readonly) {
- m_strcpy(buf, sizeof(buf), "RSET\r\n");
- ret = pop_query (pop_data, buf, sizeof (buf));
- }
-
- if (ret != PQ_NOT_CONNECTED) {
- m_strcpy(buf, sizeof(buf), "QUIT\r\n");
- pop_query (pop_data, buf, sizeof (buf));
- }
-
- mutt_clear_error ();
- }
-
- pop_data->status = POP_DISCONNECTED;
- return;
-}
-
/* find message with this UIDL and set refno */
static int check_uidl (char *line, void *data)
{
static pop_query_status pop_reconnect (CONTEXT * ctx)
{
pop_query_status ret;
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
+ pop_data_t *pop_data = (pop_data_t *) ctx->data;
progress_t bar;
if (pop_data->status == POP_CONNECTED)
for (;;) {
mutt_socket_close (pop_data->conn);
- ret = pop_open_connection (pop_data);
+ ret = pop_open_connection(pop_data);
if (ret == PQ_OK) {
int i;
return PQ_NOT_CONNECTED;
}
}
+
/* write line to file */
static int fetch_message (char *line, void *file)
{
* -2 - invalid command or execution error,
* -3 - error writing to tempfile
*/
-static pop_query_status pop_read_header (POP_DATA * pop_data, HEADER * h)
+static pop_query_status pop_read_header (pop_data_t * pop_data, HEADER * h)
{
FILE *f;
int idx;
pop_query_status ret;
long length;
char buf[LONG_STRING];
- char tempfile[_POSIX_PATH_MAX];
- f = m_tempfile(tempfile, sizeof(tempfile), NONULL(MCore.tmpdir), NULL);
+ f = tmpfile();
if (!f) {
mutt_error(_("Could not create temporary file"));
return PFD_FUNCT_ERROR;
}
- snprintf (buf, sizeof (buf), "LIST %d\r\n", h->refno);
- ret = pop_query (pop_data, buf, sizeof (buf));
+ ret = pop_query(pop_data, buf, sizeof(buf), "LIST %d", h->refno);
if (ret == PQ_OK) {
sscanf (buf, "+OK %d %ld", &idx, &length);
snprintf (buf, sizeof (buf), "TOP %d 0\r\n", h->refno);
- ret = pop_fetch_data (pop_data, buf, NULL, fetch_message, f);
+ ret = pop_fetch_data(pop_data, buf, NULL, fetch_message, f);
if (pop_data->cmd_top == CMD_UNKNOWN) {
if (ret == PQ_OK) {
}
m_fclose(&f);
- unlink (tempfile);
return ret;
}
{
int i, idx;
CONTEXT *ctx = (CONTEXT *) data;
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
+ pop_data_t *pop_data = (pop_data_t *) ctx->data;
sscanf (line, "%d %s", &idx, line);
for (i = 0; i < ctx->msgcount; i++)
{
int i, old_count, new_count;
pop_query_status ret;
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
+ pop_data_t *pop_data = (pop_data_t *) ctx->data;
time (&pop_data->check_time);
pop_data->clear_cache = 0;
ctx->hdrs[i]->refno = -1;
old_count = ctx->msgcount;
- ret = pop_fetch_data (pop_data, "UIDL\r\n", NULL, fetch_uidl, ctx);
+ ret = pop_fetch_data(pop_data, "UIDL\r\n", NULL, fetch_uidl, ctx);
new_count = ctx->msgcount;
ctx->msgcount = old_count;
return (new_count - old_count);
}
-/* open POP mailbox - fetch only headers */
+/* delete all cached messages */
+static void pop_clear_cache (pop_data_t * pop_data)
+{
+ int i;
+
+ if (!pop_data->clear_cache)
+ return;
+
+ for (i = 0; i < POP_CACHE_LEN; i++) {
+ if (pop_data->cache[i].path) {
+ unlink (pop_data->cache[i].path);
+ p_delete(&pop_data->cache[i].path);
+ }
+ }
+}
+
+/* pop_mx functions {{{ */
+
+static int pop_is_magic(const char* path, struct stat* st)
+{
+ url_scheme_t s = url_check_scheme(NONULL(path));
+ return s == U_POP || s == U_POPS ? M_POP : -1;
+}
+
static int pop_open_mailbox (CONTEXT * ctx)
{
int ret;
char buf[LONG_STRING];
CONNECTION *conn;
ACCOUNT act;
- POP_DATA *pop_data;
+ pop_data_t *pop_data;
ciss_url_t url;
if (pop_parse_path (ctx->path, &act)) {
p_delete(&ctx->path);
ctx->path = m_strdup(buf);
- pop_data = p_new(POP_DATA, 1);
+ pop_data = p_new(pop_data_t, 1);
pop_data->conn = conn;
ctx->data = pop_data;
- if (pop_open_connection (pop_data) < 0)
+ if (pop_open_connection(pop_data) != PQ_OK)
return -1;
conn->data = pop_data;
if (pop_reconnect (ctx) != PQ_OK)
return -1;
- ctx->size = pop_data->size;
-
mutt_message _("Fetching list of messages...");
-
+ ctx->size = pop_data->size;
ret = pop_fetch_headers (ctx);
if (ret >= 0)
}
}
-/* delete all cached messages */
-static void pop_clear_cache (POP_DATA * pop_data)
+static int pop_acl_check(CONTEXT *ctx, int bit)
{
- int i;
+ switch (bit) {
+ case ACL_DELETE: /* (un)deletion */
+ case ACL_SEEN: /* mark as read */
+ return 1;
+ case ACL_INSERT: /* editing messages */
+ case ACL_WRITE: /* change importance */
+ default:
+ return 0;
+ }
+}
- if (!pop_data->clear_cache)
- return;
+static int pop_check_mailbox(CONTEXT * ctx, int *index_hint, int unused)
+{
+ int ret;
+ pop_data_t *pop_data = (pop_data_t *) ctx->data;
- for (i = 0; i < POP_CACHE_LEN; i++) {
- if (pop_data->cache[i].path) {
- unlink (pop_data->cache[i].path);
- p_delete(&pop_data->cache[i].path);
- }
- }
+ if ((pop_data->check_time + PopCheckTimeout) > time (NULL))
+ return 0;
+
+ pop_logout (ctx);
+
+ mutt_socket_close (pop_data->conn);
+
+ if (pop_open_connection (pop_data) < 0)
+ return -1;
+
+ mutt_message _("Checking for new messages...");
+ ctx->size = pop_data->size;
+ ret = pop_fetch_headers (ctx);
+ pop_clear_cache (pop_data);
+
+ if (ret < 0)
+ return -1;
+
+ if (ret > 0)
+ return M_NEW_MAIL;
+
+ return 0;
}
-/* close POP mailbox */
static void pop_close_mailbox (CONTEXT * ctx)
{
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
+ pop_data_t *pop_data = (pop_data_t *) ctx->data;
if (!pop_data)
return;
return;
}
-/* fetch message from POP server */
-int pop_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno)
-{
- int ret;
- void *uidl;
- char buf[LONG_STRING];
- char path[_POSIX_PATH_MAX];
- progress_t bar;
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
- POP_CACHE *cache;
- HEADER *h = ctx->hdrs[msgno];
-
- /* see if we already have the message in our cache */
- cache = &pop_data->cache[h->index % POP_CACHE_LEN];
-
- if (cache->path) {
- if (cache->index == h->index) {
- /* yes, so just return a pointer to the message */
- msg->fp = fopen (cache->path, "r");
- if (msg->fp)
- return 0;
-
- mutt_perror (cache->path);
- mutt_sleep (2);
- return -1;
- }
- else {
- /* clear the previous entry */
- unlink (cache->path);
- p_delete(&cache->path);
- }
- }
-
- for (;;) {
- if (pop_reconnect (ctx) != PQ_OK)
- return -1;
-
- /* verify that massage index is correct */
- if (h->refno < 0) {
- mutt_error
- _("The message index is incorrect. Try reopening the mailbox.");
- mutt_sleep (2);
- return -1;
- }
-
- bar.size = h->content->length + h->content->offset - 1;
- bar.msg = _("Fetching message...");
- mutt_progress_bar (&bar, 0);
-
- msg->fp = m_tempfile(path, sizeof(path), NONULL(MCore.tmpdir), NULL);
- if (!msg->fp) {
- mutt_error(_("Could not create temporary file"));
- mutt_sleep(2);
- return -1;
- }
-
- snprintf (buf, sizeof (buf), "RETR %d\r\n", h->refno);
-
- ret = pop_fetch_data (pop_data, buf, &bar, fetch_message, msg->fp);
- if (ret == PQ_OK)
- break;
-
- m_fclose(&msg->fp);
- unlink (path);
-
- if (ret == PQ_ERR) {
- mutt_error ("%s", pop_data->err_msg);
- mutt_sleep (2);
- return -1;
- }
-
- if (ret == PFD_FUNCT_ERROR) {
- mutt_error _("Can't write message to temporary file!");
-
- mutt_sleep (2);
- return -1;
- }
- }
-
- /* Update the header information. Previously, we only downloaded a
- * portion of the headers, those required for the main display.
- */
- cache->index = h->index;
- cache->path = m_strdup(path);
- rewind (msg->fp);
- uidl = h->data;
- envelope_delete(&h->env);
- h->env = mutt_read_rfc822_header (msg->fp, h, 0, 0);
- h->data = uidl;
- h->lines = 0;
- fgets (buf, sizeof (buf), msg->fp);
- while (!feof (msg->fp)) {
- ctx->hdrs[msgno]->lines++;
- fgets (buf, sizeof (buf), msg->fp);
- }
-
- h->content->length = ftello (msg->fp) - h->content->offset;
-
- /* This needs to be done in case this is a multipart message */
- h->security = crypt_query (h->content);
-
- mutt_clear_error ();
- rewind (msg->fp);
-
- return 0;
-}
-
-/* update POP mailbox - delete messages from server */
-static pop_query_status
-pop_sync_mailbox (CONTEXT * ctx, int unused __attribute__ ((unused)),
- int *index_hint __attribute__ ((unused)))
+static int pop_sync_mailbox(CONTEXT * ctx, int unused, int *index_hint)
{
int i;
pop_query_status ret;
char buf[LONG_STRING];
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
+ pop_data_t *pop_data = (pop_data_t *) ctx->data;
pop_data->check_time = 0;
for (i = 0, ret = 0; ret == 0 && i < ctx->msgcount; i++) {
if (ctx->hdrs[i]->deleted) {
- snprintf (buf, sizeof (buf), "DELE %d\r\n", ctx->hdrs[i]->refno);
- ret = pop_query (pop_data, buf, sizeof (buf));
+ ret = pop_query(pop_data, buf, sizeof(buf), "DELE %d",
+ ctx->hdrs[i]->refno);
}
}
if (ret == PQ_OK) {
- m_strcpy(buf, sizeof(buf), "QUIT\r\n");
- ret = pop_query (pop_data, buf, sizeof (buf));
+ ret = pop_query(pop_data, buf, sizeof(buf), "QUIT");
}
if (ret == PQ_OK) {
}
}
-/* Check for new messages and fetch headers */
-static int pop_check_mailbox (CONTEXT * ctx,
- int *index_hint __attribute__ ((unused)),
- int unused __attribute__ ((unused)))
-{
- int ret;
- POP_DATA *pop_data = (POP_DATA *) ctx->data;
-
- if ((pop_data->check_time + PopCheckTimeout) > time (NULL))
- return 0;
-
- pop_logout (ctx);
-
- mutt_socket_close (pop_data->conn);
-
- if (pop_open_connection (pop_data) < 0)
- return -1;
-
- ctx->size = pop_data->size;
-
- mutt_message _("Checking for new messages...");
-
- ret = pop_fetch_headers (ctx);
- pop_clear_cache (pop_data);
+/* }}} */
- if (ret < 0)
- return -1;
+mx_t const pop_mx = {
+ M_POP,
+ 0,
+ pop_is_magic,
+ NULL,
+ NULL,
+ pop_open_mailbox,
+ NULL,
+ pop_acl_check,
+ pop_check_mailbox,
+ pop_close_mailbox,
+ pop_sync_mailbox,
+ NULL,
+};
- if (ret > 0)
- return M_NEW_MAIL;
+/* public API {{{ */
- return 0;
-}
-
-/* Fetch messages and save them in $spoolfile */
void pop_fetch_mail (void)
{
char buffer[LONG_STRING];
CONTEXT ctx;
MESSAGE *msg = NULL;
ACCOUNT act;
- POP_DATA *pop_data;
+ pop_data_t *pop_data;
ssize_t plen;
- if (!PopHost) {
+ if (m_strisempty(PopHost)) {
mutt_error _("POP host is not defined.");
-
return;
}
plen = m_strlen(PopHost) + 7;
- url = p = p_new(char, plen);
+ url = p = p_new(char, plen);
if (url_check_scheme (PopHost) == U_UNKNOWN) {
- plen -= m_strcpy(url, plen, "pop://");
- p += plen;
+ snprintf(p, plen, "pop://%s", PopHost);
+ } else {
+ m_strcpy(p, plen, PopHost);
}
- m_strcpy(p, plen, PopHost);
ret = pop_parse_path (url, &act);
p_delete(&url);
if (!conn)
return;
- pop_data = p_new(POP_DATA, 1);
+ pop_data = p_new(pop_data_t, 1);
pop_data->conn = conn;
if (pop_open_connection (pop_data) < 0) {
mutt_message _("Checking for new messages...");
/* find out how many messages are in the mailbox. */
- m_strcpy(buffer, sizeof(buffer), "STAT\r\n");
- ret = pop_query (pop_data, buffer, sizeof (buffer));
+ ret = pop_query(pop_data, buffer, sizeof(buffer), "STAT");
if (ret == PQ_NOT_CONNECTED)
goto fail;
if (ret == PQ_ERR) {
/* only get unread messages */
if (msgs > 0 && option (OPTPOPLAST)) {
- m_strcpy(buffer, sizeof(buffer), "LAST\r\n");
- ret = pop_query (pop_data, buffer, sizeof (buffer));
+ ret = pop_query(pop_data, buffer, sizeof(buffer), "LAST");
if (ret == PQ_NOT_CONNECTED)
goto fail;
if (ret == PQ_OK)
ret = -3;
else {
snprintf (buffer, sizeof (buffer), "RETR %d\r\n", i);
- ret = pop_fetch_data (pop_data, buffer, NULL, fetch_message, msg->fp);
+ ret = pop_fetch_data(pop_data, buffer, NULL, fetch_message, msg->fp);
if (ret == PFD_FUNCT_ERROR)
rset = 1;
}
if (ret == PQ_OK && delanswer == M_YES) {
- /* delete the message on the server */
- snprintf (buffer, sizeof (buffer), "DELE %d\r\n", i);
- ret = pop_query (pop_data, buffer, sizeof (buffer));
+ ret = pop_query(pop_data, buffer, sizeof(buffer), "DELE %d", i);
}
if (ret == PQ_NOT_CONNECTED) {
if (rset) {
/* make sure no messages get deleted */
- m_strcpy(buffer, sizeof(buffer), "RSET\r\n");
- if (pop_query (pop_data, buffer, sizeof (buffer)) == PQ_NOT_CONNECTED)
+ if (pop_query(pop_data, buffer, sizeof(buffer), "RSET") ==
+ PQ_NOT_CONNECTED)
goto fail;
}
finish:
- /* exit gracefully */
- m_strcpy(buffer, sizeof(buffer), "QUIT\r\n");
- if (pop_query (pop_data, buffer, sizeof (buffer)) == PQ_NOT_CONNECTED)
+ if (pop_query(pop_data, buffer, sizeof(buffer), "QUIT") == PQ_NOT_CONNECTED)
goto fail;
mutt_socket_close (conn);
p_delete(&pop_data);
p_delete(&pop_data);
}
-static int pop_is_magic (const char* path, struct stat* st __attribute__ ((unused))) {
- url_scheme_t s = url_check_scheme (NONULL (path));
- return ((s == U_POP || s == U_POPS) ? M_POP : -1);
-}
+/* fetch message from POP server */
+int pop_fetch_message (MESSAGE * msg, CONTEXT * ctx, int msgno)
+{
+ int ret;
+ void *uidl;
+ char buf[LONG_STRING];
+ char path[_POSIX_PATH_MAX];
+ progress_t bar;
+ pop_data_t *pop_data = (pop_data_t *) ctx->data;
+ POP_CACHE *cache;
+ HEADER *h = ctx->hdrs[msgno];
+
+ /* see if we already have the message in our cache */
+ cache = &pop_data->cache[h->index % POP_CACHE_LEN];
-static int acl_check_pop (CONTEXT* ctx __attribute__ ((unused)), int bit) {
- switch (bit) {
- case ACL_INSERT: /* editing messages */
- case ACL_WRITE: /* change importance */
- return (0);
- case ACL_DELETE: /* (un)deletion */
- case ACL_SEEN: /* mark as read */
- return (1);
- default:
- return (0);
+ if (cache->path) {
+ if (cache->index == h->index) {
+ /* yes, so just return a pointer to the message */
+ msg->fp = fopen (cache->path, "r");
+ if (msg->fp)
+ return 0;
+
+ mutt_perror (cache->path);
+ mutt_sleep (2);
+ return -1;
+ }
+ else {
+ /* clear the previous entry */
+ unlink (cache->path);
+ p_delete(&cache->path);
+ }
}
+
+ for (;;) {
+ if (pop_reconnect (ctx) != PQ_OK)
+ return -1;
+
+ /* verify that massage index is correct */
+ if (h->refno < 0) {
+ mutt_error
+ _("The message index is incorrect. Try reopening the mailbox.");
+ mutt_sleep (2);
+ return -1;
+ }
+
+ bar.size = h->content->length + h->content->offset - 1;
+ bar.msg = _("Fetching message...");
+ mutt_progress_bar (&bar, 0);
+
+ msg->fp = m_tempfile(path, sizeof(path), NONULL(mod_core.tmpdir), NULL);
+ if (!msg->fp) {
+ mutt_error(_("Could not create temporary file"));
+ mutt_sleep(2);
+ return -1;
+ }
+
+ snprintf(buf, sizeof(buf), "RETR %d\r\n", h->refno);
+ ret = pop_fetch_data(pop_data, buf, &bar, fetch_message, msg->fp);
+ if (ret == PQ_OK)
+ break;
+
+ m_fclose(&msg->fp);
+ unlink (path);
+
+ if (ret == PQ_ERR) {
+ mutt_error ("%s", pop_data->err_msg);
+ mutt_sleep (2);
+ return -1;
+ }
+
+ if (ret == PFD_FUNCT_ERROR) {
+ mutt_error _("Can't write message to temporary file!");
+
+ mutt_sleep (2);
+ return -1;
+ }
+ }
+
+ /* Update the header information. Previously, we only downloaded a
+ * portion of the headers, those required for the main display.
+ */
+ cache->index = h->index;
+ cache->path = m_strdup(path);
+ rewind (msg->fp);
+ uidl = h->data;
+ envelope_delete(&h->env);
+ h->env = mutt_read_rfc822_header (msg->fp, h, 0, 0);
+ h->data = uidl;
+ h->lines = 0;
+ fgets (buf, sizeof (buf), msg->fp);
+ while (!feof (msg->fp)) {
+ ctx->hdrs[msgno]->lines++;
+ fgets (buf, sizeof (buf), msg->fp);
+ }
+
+ h->content->length = ftello (msg->fp) - h->content->offset;
+
+ /* This needs to be done in case this is a multipart message */
+ h->security = crypt_query (h->content);
+
+ mutt_clear_error ();
+ rewind (msg->fp);
+
+ return 0;
}
-mx_t const pop_mx = {
- M_POP,
- 0,
- pop_is_magic,
- NULL,
- NULL,
- pop_open_mailbox,
- NULL,
- acl_check_pop,
- pop_check_mailbox,
- pop_close_mailbox,
- pop_sync_mailbox,
- NULL,
-};
+/* }}} */