#include "cache.h"
#include "exec_cmd.h"
+#include "run-command.h"
#ifdef NO_OPENSSL
typedef void *SSL;
#endif
unsigned int crlf:1;
};
+#undef DRV_OK
#define DRV_OK 0
#define DRV_MSG_BAD -1
#define DRV_BOX_BAD -2
return len;
}
-static void arc4_init(void);
-static unsigned char arc4_getbyte(void);
-
struct imap_server_conf {
char *name;
char *tunnel;
};
struct imap_socket {
- int fd;
+ int fd[2];
SSL *ssl;
};
#ifndef NO_OPENSSL
static void ssl_socket_perror(const char *func)
{
- fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), 0));
+ fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL));
}
#endif
#ifdef NO_OPENSSL
fprintf(stderr, "SSL requested but SSL support not compiled in\n");
return -1;
+#else
+#if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
+ const SSL_METHOD *meth;
#else
SSL_METHOD *meth;
+#endif
SSL_CTX *ctx;
int ret;
ssl_socket_perror("SSL_new");
return -1;
}
- if (!SSL_set_fd(sock->ssl, sock->fd)) {
- ssl_socket_perror("SSL_set_fd");
+ if (!SSL_set_rfd(sock->ssl, sock->fd[0])) {
+ ssl_socket_perror("SSL_set_rfd");
+ return -1;
+ }
+ if (!SSL_set_wfd(sock->ssl, sock->fd[1])) {
+ ssl_socket_perror("SSL_set_wfd");
return -1;
}
n = SSL_read(sock->ssl, buf, len);
else
#endif
- n = xread(sock->fd, buf, len);
+ n = xread(sock->fd[0], buf, len);
if (n <= 0) {
socket_perror("read", sock, n);
- close(sock->fd);
- sock->fd = -1;
+ close(sock->fd[0]);
+ close(sock->fd[1]);
+ sock->fd[0] = sock->fd[1] = -1;
}
return n;
}
n = SSL_write(sock->ssl, buf, len);
else
#endif
- n = write_in_full(sock->fd, buf, len);
+ n = write_in_full(sock->fd[1], buf, len);
if (n != len) {
socket_perror("write", sock, n);
- close(sock->fd);
- sock->fd = -1;
+ close(sock->fd[0]);
+ close(sock->fd[1]);
+ sock->fd[0] = sock->fd[1] = -1;
}
return n;
}
SSL_free(sock->ssl);
}
#endif
- close(sock->fd);
+ close(sock->fd[0]);
+ close(sock->fd[1]);
}
/* simple line buffering */
return ret;
}
-static struct {
- unsigned char i, j, s[256];
-} rs;
-
-static void arc4_init(void)
-{
- int i, fd;
- unsigned char j, si, dat[128];
-
- if ((fd = open("/dev/urandom", O_RDONLY)) < 0 && (fd = open("/dev/random", O_RDONLY)) < 0) {
- fprintf(stderr, "Fatal: no random number source available.\n");
- exit(3);
- }
- if (read_in_full(fd, dat, 128) != 128) {
- fprintf(stderr, "Fatal: cannot read random number source.\n");
- exit(3);
- }
- close(fd);
-
- for (i = 0; i < 256; i++)
- rs.s[i] = i;
- for (i = j = 0; i < 256; i++) {
- si = rs.s[i];
- j += si + dat[i & 127];
- rs.s[i] = rs.s[j];
- rs.s[j] = si;
- }
- rs.i = rs.j = 0;
-
- for (i = 0; i < 256; i++)
- arc4_getbyte();
-}
-
-static unsigned char arc4_getbyte(void)
-{
- unsigned char si, sj;
-
- rs.i++;
- si = rs.s[rs.i];
- rs.j += si;
- sj = rs.s[rs.j];
- rs.s[rs.i] = sj;
- rs.s[rs.j] = si;
- return rs.s[(si + sj) & 0xff];
-}
-
static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
struct imap_cmd_cb *cb,
const char *fmt, va_list ap)
{
struct imap *imap = ictx->imap;
- if (imap->buf.sock.fd != -1) {
+ if (imap->buf.sock.fd[0] != -1) {
imap_exec(ictx, NULL, "LOGOUT");
socket_shutdown(&imap->buf.sock);
}
struct imap_store *ctx;
struct imap *imap;
char *arg, *rsp;
- struct hostent *he;
- struct sockaddr_in addr;
- int s, a[2], preauth;
- pid_t pid;
+ int s = -1, preauth;
ctx = xcalloc(sizeof(*ctx), 1);
ctx->imap = imap = xcalloc(sizeof(*imap), 1);
- imap->buf.sock.fd = -1;
+ imap->buf.sock.fd[0] = imap->buf.sock.fd[1] = -1;
imap->in_progress_append = &imap->in_progress;
/* open connection to IMAP server */
if (srvc->tunnel) {
- imap_info("Starting tunnel '%s'... ", srvc->tunnel);
+ const char *argv[4];
+ struct child_process tunnel = {0};
- if (socketpair(PF_UNIX, SOCK_STREAM, 0, a)) {
- perror("socketpair");
- exit(1);
- }
+ imap_info("Starting tunnel '%s'... ", srvc->tunnel);
- pid = fork();
- if (pid < 0)
- _exit(127);
- if (!pid) {
- if (dup2(a[0], 0) == -1 || dup2(a[0], 1) == -1)
- _exit(127);
- close(a[0]);
- close(a[1]);
- execl("/bin/sh", "sh", "-c", srvc->tunnel, NULL);
- _exit(127);
- }
+ argv[0] = "sh";
+ argv[1] = "-c";
+ argv[2] = srvc->tunnel;
+ argv[3] = NULL;
- close(a[0]);
+ tunnel.argv = argv;
+ tunnel.in = -1;
+ tunnel.out = -1;
+ if (start_command(&tunnel))
+ die("cannot start proxy %s", argv[0]);
- imap->buf.sock.fd = a[1];
+ imap->buf.sock.fd[0] = tunnel.out;
+ imap->buf.sock.fd[1] = tunnel.in;
imap_info("ok\n");
} else {
+#ifndef NO_IPV6
+ struct addrinfo hints, *ai0, *ai;
+ int gai;
+ char portstr[6];
+
+ snprintf(portstr, sizeof(portstr), "%hu", srvc->port);
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = IPPROTO_TCP;
+
+ imap_info("Resolving %s... ", srvc->host);
+ gai = getaddrinfo(srvc->host, portstr, &hints, &ai);
+ if (gai) {
+ fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(gai));
+ goto bail;
+ }
+ imap_info("ok\n");
+
+ for (ai0 = ai; ai; ai = ai->ai_next) {
+ char addr[NI_MAXHOST];
+
+ s = socket(ai->ai_family, ai->ai_socktype,
+ ai->ai_protocol);
+ if (s < 0)
+ continue;
+
+ getnameinfo(ai->ai_addr, ai->ai_addrlen, addr,
+ sizeof(addr), NULL, 0, NI_NUMERICHOST);
+ imap_info("Connecting to [%s]:%s... ", addr, portstr);
+
+ if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0) {
+ close(s);
+ s = -1;
+ perror("connect");
+ continue;
+ }
+
+ break;
+ }
+ freeaddrinfo(ai0);
+#else /* NO_IPV6 */
+ struct hostent *he;
+ struct sockaddr_in addr;
+
memset(&addr, 0, sizeof(addr));
addr.sin_port = htons(srvc->port);
addr.sin_family = AF_INET;
imap_info("Connecting to %s:%hu... ", inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
if (connect(s, (struct sockaddr *)&addr, sizeof(addr))) {
close(s);
+ s = -1;
perror("connect");
+ }
+#endif
+ if (s < 0) {
+ fputs("Error: unable to connect to server.\n", stderr);
goto bail;
}
- imap->buf.sock.fd = s;
+ imap->buf.sock.fd[0] = s;
+ imap->buf.sock.fd[1] = dup(s);
if (srvc->use_ssl &&
ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
return d;
}
-#define TUIDL 8
-
-static int imap_store_msg(struct store *gctx, struct msg_data *data, int *uid)
+static int imap_store_msg(struct store *gctx, struct msg_data *data)
{
struct imap_store *ctx = (struct imap_store *)gctx;
struct imap *imap = ctx->imap;
struct imap_cmd_cb cb;
- char *fmap, *buf;
const char *prefix, *box;
- int ret, i, j, d, len, extra, nocr;
- int start, sbreak = 0, ebreak = 0;
- char flagstr[128], tuid[TUIDL * 2 + 1];
+ int ret, d;
+ char flagstr[128];
memset(&cb, 0, sizeof(cb));
- fmap = data->data;
- len = data->len;
- nocr = !data->crlf;
- extra = 0, i = 0;
- if (!CAP(UIDPLUS) && uid) {
- nloop:
- start = i;
- while (i < len)
- if (fmap[i++] == '\n') {
- extra += nocr;
- if (i - 2 + nocr == start) {
- sbreak = ebreak = i - 2 + nocr;
- goto mktid;
- }
- if (!memcmp(fmap + start, "X-TUID: ", 8)) {
- extra -= (ebreak = i) - (sbreak = start) + nocr;
- goto mktid;
- }
- goto nloop;
- }
- /* invalid message */
- free(fmap);
- return DRV_MSG_BAD;
- mktid:
- for (j = 0; j < TUIDL; j++)
- sprintf(tuid + j * 2, "%02x", arc4_getbyte());
- extra += 8 + TUIDL * 2 + 2;
- }
- if (nocr)
- for (; i < len; i++)
- if (fmap[i] == '\n')
- extra++;
-
- cb.dlen = len + extra;
- buf = cb.data = xmalloc(cb.dlen);
- i = 0;
- if (!CAP(UIDPLUS) && uid) {
- if (nocr) {
- for (; i < sbreak; i++)
- if (fmap[i] == '\n') {
- *buf++ = '\r';
- *buf++ = '\n';
- } else
- *buf++ = fmap[i];
- } else {
- memcpy(buf, fmap, sbreak);
- buf += sbreak;
- }
- memcpy(buf, "X-TUID: ", 8);
- buf += 8;
- memcpy(buf, tuid, TUIDL * 2);
- buf += TUIDL * 2;
- *buf++ = '\r';
- *buf++ = '\n';
- i = ebreak;
- }
- if (nocr) {
- for (; i < len; i++)
- if (fmap[i] == '\n') {
- *buf++ = '\r';
- *buf++ = '\n';
- } else
- *buf++ = fmap[i];
- } else
- memcpy(buf, fmap + i, len - i);
-
- free(fmap);
+ cb.dlen = data->len;
+ cb.data = xmalloc(cb.dlen);
+ memcpy(cb.data, data->data, data->len);
d = 0;
if (data->flags) {
}
flagstr[d] = 0;
- if (!uid) {
- box = gctx->conf->trash;
- prefix = ctx->prefix;
- cb.create = 1;
- if (ctx->trashnc)
- imap->caps = imap->rcaps & ~(1 << LITERALPLUS);
- } else {
- box = gctx->name;
- prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
- cb.create = 0;
- }
- cb.ctx = uid;
+ box = gctx->name;
+ prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
+ cb.create = 0;
ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" %s", prefix, box, flagstr);
imap->caps = imap->rcaps;
if (ret != DRV_OK)
return ret;
- if (!uid)
- ctx->trashnc = 0;
- else
- gctx->count++;
+ gctx->count++;
return DRV_OK;
}
{
struct msg_data all_msgs, msg;
struct store *ctx = NULL;
- int uid = 0;
int ofs = 0;
int r;
int total, n = 0;
git_extract_argv0_path(argv[0]);
- /* init the random number generator */
- arc4_init();
-
setup_git_directory_gently(&nongit_ok);
git_config(git_imap_config, NULL);
break;
if (server.use_html)
wrap_in_html(&msg);
- r = imap_store_msg(ctx, &msg, &uid);
+ r = imap_store_msg(ctx, &msg);
if (r != DRV_OK)
break;
n++;