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dd6d3c90ee
Many "printf"-like helper functions we have have been annotated with __attribute__() to catch placeholder/parameter mismatches. * ab/attribute-format: advice.h: add missing __attribute__((format)) & fix usage *.h: add a few missing __attribute__((format)) *.c static functions: add missing __attribute__((format)) sequencer.c: move static function to avoid forward decl *.c static functions: don't forward-declare __attribute__
1603 lines
37 KiB
C
1603 lines
37 KiB
C
/*
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* git-imap-send - drops patches into an imap Drafts folder
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* derived from isync/mbsync - mailbox synchronizer
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*
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* Copyright (C) 2000-2002 Michael R. Elkins <me@mutt.org>
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* Copyright (C) 2002-2004 Oswald Buddenhagen <ossi@users.sf.net>
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* Copyright (C) 2004 Theodore Y. Ts'o <tytso@mit.edu>
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* Copyright (C) 2006 Mike McCormack
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cache.h"
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#include "config.h"
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#include "credential.h"
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#include "exec-cmd.h"
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#include "run-command.h"
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#include "parse-options.h"
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#ifdef NO_OPENSSL
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typedef void *SSL;
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#endif
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#ifdef USE_CURL_FOR_IMAP_SEND
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#include "http.h"
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#endif
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#if defined(USE_CURL_FOR_IMAP_SEND)
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/* Always default to curl if it's available. */
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#define USE_CURL_DEFAULT 1
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#else
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/* We don't have curl, so continue to use the historical implementation */
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#define USE_CURL_DEFAULT 0
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#endif
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static int verbosity;
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static int use_curl = USE_CURL_DEFAULT;
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static const char * const imap_send_usage[] = { "git imap-send [-v] [-q] [--[no-]curl] < <mbox>", NULL };
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static struct option imap_send_options[] = {
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OPT__VERBOSITY(&verbosity),
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OPT_BOOL(0, "curl", &use_curl, "use libcurl to communicate with the IMAP server"),
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OPT_END()
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};
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#undef DRV_OK
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#define DRV_OK 0
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#define DRV_MSG_BAD -1
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#define DRV_BOX_BAD -2
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#define DRV_STORE_BAD -3
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__attribute__((format (printf, 1, 2)))
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static void imap_info(const char *, ...);
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__attribute__((format (printf, 1, 2)))
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static void imap_warn(const char *, ...);
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static char *next_arg(char **);
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__attribute__((format (printf, 3, 4)))
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static int nfsnprintf(char *buf, int blen, const char *fmt, ...);
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static int nfvasprintf(char **strp, const char *fmt, va_list ap)
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{
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int len;
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char tmp[8192];
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len = vsnprintf(tmp, sizeof(tmp), fmt, ap);
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if (len < 0)
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die("Fatal: Out of memory");
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if (len >= sizeof(tmp))
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die("imap command overflow!");
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*strp = xmemdupz(tmp, len);
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return len;
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}
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struct imap_server_conf {
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const char *name;
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const char *tunnel;
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const char *host;
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int port;
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const char *folder;
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const char *user;
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const char *pass;
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int use_ssl;
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int ssl_verify;
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int use_html;
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const char *auth_method;
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};
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static struct imap_server_conf server = {
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NULL, /* name */
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NULL, /* tunnel */
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NULL, /* host */
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0, /* port */
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NULL, /* folder */
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NULL, /* user */
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NULL, /* pass */
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0, /* use_ssl */
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1, /* ssl_verify */
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0, /* use_html */
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NULL, /* auth_method */
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};
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struct imap_socket {
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int fd[2];
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SSL *ssl;
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};
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struct imap_buffer {
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struct imap_socket sock;
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int bytes;
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int offset;
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char buf[1024];
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};
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struct imap_cmd;
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struct imap {
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int uidnext; /* from SELECT responses */
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unsigned caps, rcaps; /* CAPABILITY results */
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/* command queue */
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int nexttag, num_in_progress, literal_pending;
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struct imap_cmd *in_progress, **in_progress_append;
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struct imap_buffer buf; /* this is BIG, so put it last */
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};
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struct imap_store {
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/* currently open mailbox */
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const char *name; /* foreign! maybe preset? */
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int uidvalidity;
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struct imap *imap;
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const char *prefix;
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};
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struct imap_cmd_cb {
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int (*cont)(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt);
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void (*done)(struct imap_store *ctx, struct imap_cmd *cmd, int response);
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void *ctx;
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char *data;
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int dlen;
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int uid;
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};
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struct imap_cmd {
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struct imap_cmd *next;
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struct imap_cmd_cb cb;
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char *cmd;
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int tag;
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};
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#define CAP(cap) (imap->caps & (1 << (cap)))
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enum CAPABILITY {
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NOLOGIN = 0,
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UIDPLUS,
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LITERALPLUS,
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NAMESPACE,
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STARTTLS,
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AUTH_CRAM_MD5
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};
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static const char *cap_list[] = {
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"LOGINDISABLED",
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"UIDPLUS",
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"LITERAL+",
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"NAMESPACE",
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"STARTTLS",
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"AUTH=CRAM-MD5",
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};
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#define RESP_OK 0
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#define RESP_NO 1
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#define RESP_BAD 2
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static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd);
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#ifndef NO_OPENSSL
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static void ssl_socket_perror(const char *func)
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{
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fprintf(stderr, "%s: %s\n", func, ERR_error_string(ERR_get_error(), NULL));
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}
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#endif
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static void socket_perror(const char *func, struct imap_socket *sock, int ret)
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{
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#ifndef NO_OPENSSL
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if (sock->ssl) {
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int sslerr = SSL_get_error(sock->ssl, ret);
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switch (sslerr) {
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case SSL_ERROR_NONE:
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break;
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case SSL_ERROR_SYSCALL:
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perror("SSL_connect");
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break;
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default:
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ssl_socket_perror("SSL_connect");
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break;
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}
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} else
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#endif
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{
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if (ret < 0)
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perror(func);
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else
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fprintf(stderr, "%s: unexpected EOF\n", func);
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}
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}
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#ifdef NO_OPENSSL
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static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
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{
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fprintf(stderr, "SSL requested but SSL support not compiled in\n");
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return -1;
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}
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#else
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static int host_matches(const char *host, const char *pattern)
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{
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if (pattern[0] == '*' && pattern[1] == '.') {
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pattern += 2;
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if (!(host = strchr(host, '.')))
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return 0;
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host++;
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}
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return *host && *pattern && !strcasecmp(host, pattern);
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}
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static int verify_hostname(X509 *cert, const char *hostname)
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{
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int len;
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X509_NAME *subj;
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char cname[1000];
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int i, found;
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STACK_OF(GENERAL_NAME) *subj_alt_names;
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/* try the DNS subjectAltNames */
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found = 0;
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if ((subj_alt_names = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL))) {
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int num_subj_alt_names = sk_GENERAL_NAME_num(subj_alt_names);
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for (i = 0; !found && i < num_subj_alt_names; i++) {
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GENERAL_NAME *subj_alt_name = sk_GENERAL_NAME_value(subj_alt_names, i);
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if (subj_alt_name->type == GEN_DNS &&
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strlen((const char *)subj_alt_name->d.ia5->data) == (size_t)subj_alt_name->d.ia5->length &&
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host_matches(hostname, (const char *)(subj_alt_name->d.ia5->data)))
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found = 1;
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}
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sk_GENERAL_NAME_pop_free(subj_alt_names, GENERAL_NAME_free);
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}
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if (found)
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return 0;
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/* try the common name */
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if (!(subj = X509_get_subject_name(cert)))
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return error("cannot get certificate subject");
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if ((len = X509_NAME_get_text_by_NID(subj, NID_commonName, cname, sizeof(cname))) < 0)
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return error("cannot get certificate common name");
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if (strlen(cname) == (size_t)len && host_matches(hostname, cname))
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return 0;
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return error("certificate owner '%s' does not match hostname '%s'",
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cname, hostname);
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}
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static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int verify)
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{
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#if (OPENSSL_VERSION_NUMBER >= 0x10000000L)
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const SSL_METHOD *meth;
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#else
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SSL_METHOD *meth;
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#endif
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SSL_CTX *ctx;
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int ret;
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X509 *cert;
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SSL_library_init();
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SSL_load_error_strings();
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meth = SSLv23_method();
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if (!meth) {
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ssl_socket_perror("SSLv23_method");
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return -1;
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}
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ctx = SSL_CTX_new(meth);
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if (!ctx) {
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ssl_socket_perror("SSL_CTX_new");
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return -1;
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}
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if (use_tls_only)
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SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
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if (verify)
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SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
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if (!SSL_CTX_set_default_verify_paths(ctx)) {
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ssl_socket_perror("SSL_CTX_set_default_verify_paths");
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return -1;
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}
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sock->ssl = SSL_new(ctx);
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if (!sock->ssl) {
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ssl_socket_perror("SSL_new");
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return -1;
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}
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if (!SSL_set_rfd(sock->ssl, sock->fd[0])) {
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ssl_socket_perror("SSL_set_rfd");
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return -1;
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}
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if (!SSL_set_wfd(sock->ssl, sock->fd[1])) {
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ssl_socket_perror("SSL_set_wfd");
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return -1;
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}
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#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
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/*
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* SNI (RFC4366)
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* OpenSSL does not document this function, but the implementation
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* returns 1 on success, 0 on failure after calling SSLerr().
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*/
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ret = SSL_set_tlsext_host_name(sock->ssl, server.host);
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if (ret != 1)
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warning("SSL_set_tlsext_host_name(%s) failed.", server.host);
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#endif
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ret = SSL_connect(sock->ssl);
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if (ret <= 0) {
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socket_perror("SSL_connect", sock, ret);
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return -1;
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}
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if (verify) {
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/* make sure the hostname matches that of the certificate */
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cert = SSL_get_peer_certificate(sock->ssl);
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if (!cert)
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return error("unable to get peer certificate.");
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if (verify_hostname(cert, server.host) < 0)
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return -1;
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}
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return 0;
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}
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#endif
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static int socket_read(struct imap_socket *sock, char *buf, int len)
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{
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ssize_t n;
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#ifndef NO_OPENSSL
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if (sock->ssl)
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n = SSL_read(sock->ssl, buf, len);
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else
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#endif
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n = xread(sock->fd[0], buf, len);
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if (n <= 0) {
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socket_perror("read", sock, n);
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close(sock->fd[0]);
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close(sock->fd[1]);
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sock->fd[0] = sock->fd[1] = -1;
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}
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return n;
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}
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static int socket_write(struct imap_socket *sock, const char *buf, int len)
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{
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int n;
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#ifndef NO_OPENSSL
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if (sock->ssl)
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n = SSL_write(sock->ssl, buf, len);
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else
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#endif
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n = write_in_full(sock->fd[1], buf, len);
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if (n != len) {
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socket_perror("write", sock, n);
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close(sock->fd[0]);
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close(sock->fd[1]);
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sock->fd[0] = sock->fd[1] = -1;
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}
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return n;
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}
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static void socket_shutdown(struct imap_socket *sock)
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{
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#ifndef NO_OPENSSL
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if (sock->ssl) {
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SSL_shutdown(sock->ssl);
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SSL_free(sock->ssl);
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}
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#endif
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close(sock->fd[0]);
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close(sock->fd[1]);
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}
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/* simple line buffering */
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static int buffer_gets(struct imap_buffer *b, char **s)
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{
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int n;
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int start = b->offset;
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*s = b->buf + start;
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for (;;) {
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/* make sure we have enough data to read the \r\n sequence */
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if (b->offset + 1 >= b->bytes) {
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if (start) {
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/* shift down used bytes */
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*s = b->buf;
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assert(start <= b->bytes);
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n = b->bytes - start;
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if (n)
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memmove(b->buf, b->buf + start, n);
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b->offset -= start;
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b->bytes = n;
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start = 0;
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}
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n = socket_read(&b->sock, b->buf + b->bytes,
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sizeof(b->buf) - b->bytes);
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if (n <= 0)
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return -1;
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b->bytes += n;
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}
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if (b->buf[b->offset] == '\r') {
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assert(b->offset + 1 < b->bytes);
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if (b->buf[b->offset + 1] == '\n') {
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b->buf[b->offset] = 0; /* terminate the string */
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b->offset += 2; /* next line */
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if (0 < verbosity)
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puts(*s);
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return 0;
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}
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}
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b->offset++;
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}
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/* not reached */
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}
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__attribute__((format (printf, 1, 2)))
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static void imap_info(const char *msg, ...)
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{
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va_list va;
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if (0 <= verbosity) {
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va_start(va, msg);
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vprintf(msg, va);
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va_end(va);
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fflush(stdout);
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}
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}
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__attribute__((format (printf, 1, 2)))
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static void imap_warn(const char *msg, ...)
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{
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va_list va;
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if (-2 < verbosity) {
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va_start(va, msg);
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vfprintf(stderr, msg, va);
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va_end(va);
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}
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}
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static char *next_arg(char **s)
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{
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char *ret;
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if (!s || !*s)
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return NULL;
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while (isspace((unsigned char) **s))
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(*s)++;
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if (!**s) {
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*s = NULL;
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return NULL;
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}
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if (**s == '"') {
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++*s;
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ret = *s;
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*s = strchr(*s, '"');
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} else {
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ret = *s;
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while (**s && !isspace((unsigned char) **s))
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(*s)++;
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}
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if (*s) {
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if (**s)
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*(*s)++ = 0;
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if (!**s)
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*s = NULL;
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}
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return ret;
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}
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__attribute__((format (printf, 3, 4)))
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static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
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|
{
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int ret;
|
|
va_list va;
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va_start(va, fmt);
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if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen)
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BUG("buffer too small. Please report a bug.");
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va_end(va);
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return ret;
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}
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static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
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struct imap_cmd_cb *cb,
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const char *fmt, va_list ap)
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{
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struct imap *imap = ctx->imap;
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struct imap_cmd *cmd;
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int n, bufl;
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char buf[1024];
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cmd = xmalloc(sizeof(struct imap_cmd));
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nfvasprintf(&cmd->cmd, fmt, ap);
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cmd->tag = ++imap->nexttag;
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if (cb)
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cmd->cb = *cb;
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else
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memset(&cmd->cb, 0, sizeof(cmd->cb));
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|
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while (imap->literal_pending)
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get_cmd_result(ctx, NULL);
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|
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if (!cmd->cb.data)
|
|
bufl = nfsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd);
|
|
else
|
|
bufl = nfsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n",
|
|
cmd->tag, cmd->cmd, cmd->cb.dlen,
|
|
CAP(LITERALPLUS) ? "+" : "");
|
|
|
|
if (0 < verbosity) {
|
|
if (imap->num_in_progress)
|
|
printf("(%d in progress) ", imap->num_in_progress);
|
|
if (!starts_with(cmd->cmd, "LOGIN"))
|
|
printf(">>> %s", buf);
|
|
else
|
|
printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
|
|
}
|
|
if (socket_write(&imap->buf.sock, buf, bufl) != bufl) {
|
|
free(cmd->cmd);
|
|
free(cmd);
|
|
if (cb)
|
|
free(cb->data);
|
|
return NULL;
|
|
}
|
|
if (cmd->cb.data) {
|
|
if (CAP(LITERALPLUS)) {
|
|
n = socket_write(&imap->buf.sock, cmd->cb.data, cmd->cb.dlen);
|
|
free(cmd->cb.data);
|
|
if (n != cmd->cb.dlen ||
|
|
socket_write(&imap->buf.sock, "\r\n", 2) != 2) {
|
|
free(cmd->cmd);
|
|
free(cmd);
|
|
return NULL;
|
|
}
|
|
cmd->cb.data = NULL;
|
|
} else
|
|
imap->literal_pending = 1;
|
|
} else if (cmd->cb.cont)
|
|
imap->literal_pending = 1;
|
|
cmd->next = NULL;
|
|
*imap->in_progress_append = cmd;
|
|
imap->in_progress_append = &cmd->next;
|
|
imap->num_in_progress++;
|
|
return cmd;
|
|
}
|
|
|
|
__attribute__((format (printf, 3, 4)))
|
|
static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
|
|
const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
struct imap_cmd *cmdp;
|
|
|
|
va_start(ap, fmt);
|
|
cmdp = issue_imap_cmd(ctx, cb, fmt, ap);
|
|
va_end(ap);
|
|
if (!cmdp)
|
|
return RESP_BAD;
|
|
|
|
return get_cmd_result(ctx, cmdp);
|
|
}
|
|
|
|
__attribute__((format (printf, 3, 4)))
|
|
static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
|
|
const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
struct imap_cmd *cmdp;
|
|
|
|
va_start(ap, fmt);
|
|
cmdp = issue_imap_cmd(ctx, cb, fmt, ap);
|
|
va_end(ap);
|
|
if (!cmdp)
|
|
return DRV_STORE_BAD;
|
|
|
|
switch (get_cmd_result(ctx, cmdp)) {
|
|
case RESP_BAD: return DRV_STORE_BAD;
|
|
case RESP_NO: return DRV_MSG_BAD;
|
|
default: return DRV_OK;
|
|
}
|
|
}
|
|
|
|
static int skip_imap_list_l(char **sp, int level)
|
|
{
|
|
char *s = *sp;
|
|
|
|
for (;;) {
|
|
while (isspace((unsigned char)*s))
|
|
s++;
|
|
if (level && *s == ')') {
|
|
s++;
|
|
break;
|
|
}
|
|
if (*s == '(') {
|
|
/* sublist */
|
|
s++;
|
|
if (skip_imap_list_l(&s, level + 1))
|
|
goto bail;
|
|
} else if (*s == '"') {
|
|
/* quoted string */
|
|
s++;
|
|
for (; *s != '"'; s++)
|
|
if (!*s)
|
|
goto bail;
|
|
s++;
|
|
} else {
|
|
/* atom */
|
|
for (; *s && !isspace((unsigned char)*s); s++)
|
|
if (level && *s == ')')
|
|
break;
|
|
}
|
|
|
|
if (!level)
|
|
break;
|
|
if (!*s)
|
|
goto bail;
|
|
}
|
|
*sp = s;
|
|
return 0;
|
|
|
|
bail:
|
|
return -1;
|
|
}
|
|
|
|
static void skip_list(char **sp)
|
|
{
|
|
skip_imap_list_l(sp, 0);
|
|
}
|
|
|
|
static void parse_capability(struct imap *imap, char *cmd)
|
|
{
|
|
char *arg;
|
|
unsigned i;
|
|
|
|
imap->caps = 0x80000000;
|
|
while ((arg = next_arg(&cmd)))
|
|
for (i = 0; i < ARRAY_SIZE(cap_list); i++)
|
|
if (!strcmp(cap_list[i], arg))
|
|
imap->caps |= 1 << i;
|
|
imap->rcaps = imap->caps;
|
|
}
|
|
|
|
static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
|
|
char *s)
|
|
{
|
|
struct imap *imap = ctx->imap;
|
|
char *arg, *p;
|
|
|
|
if (!s || *s != '[')
|
|
return RESP_OK; /* no response code */
|
|
s++;
|
|
if (!(p = strchr(s, ']'))) {
|
|
fprintf(stderr, "IMAP error: malformed response code\n");
|
|
return RESP_BAD;
|
|
}
|
|
*p++ = 0;
|
|
arg = next_arg(&s);
|
|
if (!arg) {
|
|
fprintf(stderr, "IMAP error: empty response code\n");
|
|
return RESP_BAD;
|
|
}
|
|
if (!strcmp("UIDVALIDITY", arg)) {
|
|
if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg))) {
|
|
fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
|
|
return RESP_BAD;
|
|
}
|
|
} else if (!strcmp("UIDNEXT", arg)) {
|
|
if (!(arg = next_arg(&s)) || !(imap->uidnext = atoi(arg))) {
|
|
fprintf(stderr, "IMAP error: malformed NEXTUID status\n");
|
|
return RESP_BAD;
|
|
}
|
|
} else if (!strcmp("CAPABILITY", arg)) {
|
|
parse_capability(imap, s);
|
|
} else if (!strcmp("ALERT", arg)) {
|
|
/* RFC2060 says that these messages MUST be displayed
|
|
* to the user
|
|
*/
|
|
for (; isspace((unsigned char)*p); p++);
|
|
fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
|
|
} else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
|
|
if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg)) ||
|
|
!(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
|
|
fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
|
|
return RESP_BAD;
|
|
}
|
|
}
|
|
return RESP_OK;
|
|
}
|
|
|
|
static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
|
|
{
|
|
struct imap *imap = ctx->imap;
|
|
struct imap_cmd *cmdp, **pcmdp;
|
|
char *cmd;
|
|
const char *arg, *arg1;
|
|
int n, resp, resp2, tag;
|
|
|
|
for (;;) {
|
|
if (buffer_gets(&imap->buf, &cmd))
|
|
return RESP_BAD;
|
|
|
|
arg = next_arg(&cmd);
|
|
if (!arg) {
|
|
fprintf(stderr, "IMAP error: empty response\n");
|
|
return RESP_BAD;
|
|
}
|
|
if (*arg == '*') {
|
|
arg = next_arg(&cmd);
|
|
if (!arg) {
|
|
fprintf(stderr, "IMAP error: unable to parse untagged response\n");
|
|
return RESP_BAD;
|
|
}
|
|
|
|
if (!strcmp("NAMESPACE", arg)) {
|
|
/* rfc2342 NAMESPACE response. */
|
|
skip_list(&cmd); /* Personal mailboxes */
|
|
skip_list(&cmd); /* Others' mailboxes */
|
|
skip_list(&cmd); /* Shared mailboxes */
|
|
} else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
|
|
!strcmp("NO", arg) || !strcmp("BYE", arg)) {
|
|
if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
|
|
return resp;
|
|
} else if (!strcmp("CAPABILITY", arg)) {
|
|
parse_capability(imap, cmd);
|
|
} else if ((arg1 = next_arg(&cmd))) {
|
|
; /*
|
|
* Unhandled response-data with at least two words.
|
|
* Ignore it.
|
|
*
|
|
* NEEDSWORK: Previously this case handled '<num> EXISTS'
|
|
* and '<num> RECENT' but as a probably-unintended side
|
|
* effect it ignores other unrecognized two-word
|
|
* responses. imap-send doesn't ever try to read
|
|
* messages or mailboxes these days, so consider
|
|
* eliminating this case.
|
|
*/
|
|
} else {
|
|
fprintf(stderr, "IMAP error: unable to parse untagged response\n");
|
|
return RESP_BAD;
|
|
}
|
|
} else if (!imap->in_progress) {
|
|
fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
|
|
return RESP_BAD;
|
|
} else if (*arg == '+') {
|
|
/* This can happen only with the last command underway, as
|
|
it enforces a round-trip. */
|
|
cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
|
|
offsetof(struct imap_cmd, next));
|
|
if (cmdp->cb.data) {
|
|
n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
|
|
FREE_AND_NULL(cmdp->cb.data);
|
|
if (n != (int)cmdp->cb.dlen)
|
|
return RESP_BAD;
|
|
} else if (cmdp->cb.cont) {
|
|
if (cmdp->cb.cont(ctx, cmdp, cmd))
|
|
return RESP_BAD;
|
|
} else {
|
|
fprintf(stderr, "IMAP error: unexpected command continuation request\n");
|
|
return RESP_BAD;
|
|
}
|
|
if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
|
|
return RESP_BAD;
|
|
if (!cmdp->cb.cont)
|
|
imap->literal_pending = 0;
|
|
if (!tcmd)
|
|
return DRV_OK;
|
|
} else {
|
|
tag = atoi(arg);
|
|
for (pcmdp = &imap->in_progress; (cmdp = *pcmdp); pcmdp = &cmdp->next)
|
|
if (cmdp->tag == tag)
|
|
goto gottag;
|
|
fprintf(stderr, "IMAP error: unexpected tag %s\n", arg);
|
|
return RESP_BAD;
|
|
gottag:
|
|
if (!(*pcmdp = cmdp->next))
|
|
imap->in_progress_append = pcmdp;
|
|
imap->num_in_progress--;
|
|
if (cmdp->cb.cont || cmdp->cb.data)
|
|
imap->literal_pending = 0;
|
|
arg = next_arg(&cmd);
|
|
if (!arg)
|
|
arg = "";
|
|
if (!strcmp("OK", arg))
|
|
resp = DRV_OK;
|
|
else {
|
|
if (!strcmp("NO", arg))
|
|
resp = RESP_NO;
|
|
else /*if (!strcmp("BAD", arg))*/
|
|
resp = RESP_BAD;
|
|
fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
|
|
!starts_with(cmdp->cmd, "LOGIN") ?
|
|
cmdp->cmd : "LOGIN <user> <pass>",
|
|
arg, cmd ? cmd : "");
|
|
}
|
|
if ((resp2 = parse_response_code(ctx, &cmdp->cb, cmd)) > resp)
|
|
resp = resp2;
|
|
if (cmdp->cb.done)
|
|
cmdp->cb.done(ctx, cmdp, resp);
|
|
free(cmdp->cb.data);
|
|
free(cmdp->cmd);
|
|
free(cmdp);
|
|
if (!tcmd || tcmd == cmdp)
|
|
return resp;
|
|
}
|
|
}
|
|
/* not reached */
|
|
}
|
|
|
|
static void imap_close_server(struct imap_store *ictx)
|
|
{
|
|
struct imap *imap = ictx->imap;
|
|
|
|
if (imap->buf.sock.fd[0] != -1) {
|
|
imap_exec(ictx, NULL, "LOGOUT");
|
|
socket_shutdown(&imap->buf.sock);
|
|
}
|
|
free(imap);
|
|
}
|
|
|
|
static void imap_close_store(struct imap_store *ctx)
|
|
{
|
|
imap_close_server(ctx);
|
|
free(ctx);
|
|
}
|
|
|
|
#ifndef NO_OPENSSL
|
|
|
|
/*
|
|
* hexchar() and cram() functions are based on the code from the isync
|
|
* project (http://isync.sf.net/).
|
|
*/
|
|
static char hexchar(unsigned int b)
|
|
{
|
|
return b < 10 ? '0' + b : 'a' + (b - 10);
|
|
}
|
|
|
|
#define ENCODED_SIZE(n) (4 * DIV_ROUND_UP((n), 3))
|
|
static char *cram(const char *challenge_64, const char *user, const char *pass)
|
|
{
|
|
int i, resp_len, encoded_len, decoded_len;
|
|
unsigned char hash[16];
|
|
char hex[33];
|
|
char *response, *response_64, *challenge;
|
|
|
|
/*
|
|
* length of challenge_64 (i.e. base-64 encoded string) is a good
|
|
* enough upper bound for challenge (decoded result).
|
|
*/
|
|
encoded_len = strlen(challenge_64);
|
|
challenge = xmalloc(encoded_len);
|
|
decoded_len = EVP_DecodeBlock((unsigned char *)challenge,
|
|
(unsigned char *)challenge_64, encoded_len);
|
|
if (decoded_len < 0)
|
|
die("invalid challenge %s", challenge_64);
|
|
if (!HMAC(EVP_md5(), pass, strlen(pass), (unsigned char *)challenge, decoded_len, hash, NULL))
|
|
die("HMAC error");
|
|
|
|
hex[32] = 0;
|
|
for (i = 0; i < 16; i++) {
|
|
hex[2 * i] = hexchar((hash[i] >> 4) & 0xf);
|
|
hex[2 * i + 1] = hexchar(hash[i] & 0xf);
|
|
}
|
|
|
|
/* response: "<user> <digest in hex>" */
|
|
response = xstrfmt("%s %s", user, hex);
|
|
resp_len = strlen(response);
|
|
|
|
response_64 = xmallocz(ENCODED_SIZE(resp_len));
|
|
encoded_len = EVP_EncodeBlock((unsigned char *)response_64,
|
|
(unsigned char *)response, resp_len);
|
|
if (encoded_len < 0)
|
|
die("EVP_EncodeBlock error");
|
|
return (char *)response_64;
|
|
}
|
|
|
|
#else
|
|
|
|
static char *cram(const char *challenge_64, const char *user, const char *pass)
|
|
{
|
|
die("If you want to use CRAM-MD5 authenticate method, "
|
|
"you have to build git-imap-send with OpenSSL library.");
|
|
}
|
|
|
|
#endif
|
|
|
|
static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const char *prompt)
|
|
{
|
|
int ret;
|
|
char *response;
|
|
|
|
response = cram(prompt, server.user, server.pass);
|
|
|
|
ret = socket_write(&ctx->imap->buf.sock, response, strlen(response));
|
|
if (ret != strlen(response))
|
|
return error("IMAP error: sending response failed");
|
|
|
|
free(response);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void server_fill_credential(struct imap_server_conf *srvc, struct credential *cred)
|
|
{
|
|
if (srvc->user && srvc->pass)
|
|
return;
|
|
|
|
cred->protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap");
|
|
cred->host = xstrdup(srvc->host);
|
|
|
|
cred->username = xstrdup_or_null(srvc->user);
|
|
cred->password = xstrdup_or_null(srvc->pass);
|
|
|
|
credential_fill(cred);
|
|
|
|
if (!srvc->user)
|
|
srvc->user = xstrdup(cred->username);
|
|
if (!srvc->pass)
|
|
srvc->pass = xstrdup(cred->password);
|
|
}
|
|
|
|
static struct imap_store *imap_open_store(struct imap_server_conf *srvc, const char *folder)
|
|
{
|
|
struct credential cred = CREDENTIAL_INIT;
|
|
struct imap_store *ctx;
|
|
struct imap *imap;
|
|
char *arg, *rsp;
|
|
int s = -1, preauth;
|
|
|
|
CALLOC_ARRAY(ctx, 1);
|
|
|
|
ctx->imap = CALLOC_ARRAY(imap, 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) {
|
|
struct child_process tunnel = CHILD_PROCESS_INIT;
|
|
|
|
imap_info("Starting tunnel '%s'... ", srvc->tunnel);
|
|
|
|
strvec_push(&tunnel.args, srvc->tunnel);
|
|
tunnel.use_shell = 1;
|
|
tunnel.in = -1;
|
|
tunnel.out = -1;
|
|
if (start_command(&tunnel))
|
|
die("cannot start proxy %s", srvc->tunnel);
|
|
|
|
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];
|
|
|
|
xsnprintf(portstr, sizeof(portstr), "%d", 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("Resolving %s... ", srvc->host);
|
|
he = gethostbyname(srvc->host);
|
|
if (!he) {
|
|
perror("gethostbyname");
|
|
goto bail;
|
|
}
|
|
imap_info("ok\n");
|
|
|
|
addr.sin_addr.s_addr = *((int *) he->h_addr_list[0]);
|
|
|
|
s = socket(PF_INET, SOCK_STREAM, 0);
|
|
|
|
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[0] = s;
|
|
imap->buf.sock.fd[1] = dup(s);
|
|
|
|
if (srvc->use_ssl &&
|
|
ssl_socket_connect(&imap->buf.sock, 0, srvc->ssl_verify)) {
|
|
close(s);
|
|
goto bail;
|
|
}
|
|
imap_info("ok\n");
|
|
}
|
|
|
|
/* read the greeting string */
|
|
if (buffer_gets(&imap->buf, &rsp)) {
|
|
fprintf(stderr, "IMAP error: no greeting response\n");
|
|
goto bail;
|
|
}
|
|
arg = next_arg(&rsp);
|
|
if (!arg || *arg != '*' || (arg = next_arg(&rsp)) == NULL) {
|
|
fprintf(stderr, "IMAP error: invalid greeting response\n");
|
|
goto bail;
|
|
}
|
|
preauth = 0;
|
|
if (!strcmp("PREAUTH", arg))
|
|
preauth = 1;
|
|
else if (strcmp("OK", arg) != 0) {
|
|
fprintf(stderr, "IMAP error: unknown greeting response\n");
|
|
goto bail;
|
|
}
|
|
parse_response_code(ctx, NULL, rsp);
|
|
if (!imap->caps && imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
|
|
goto bail;
|
|
|
|
if (!preauth) {
|
|
#ifndef NO_OPENSSL
|
|
if (!srvc->use_ssl && CAP(STARTTLS)) {
|
|
if (imap_exec(ctx, NULL, "STARTTLS") != RESP_OK)
|
|
goto bail;
|
|
if (ssl_socket_connect(&imap->buf.sock, 1,
|
|
srvc->ssl_verify))
|
|
goto bail;
|
|
/* capabilities may have changed, so get the new capabilities */
|
|
if (imap_exec(ctx, NULL, "CAPABILITY") != RESP_OK)
|
|
goto bail;
|
|
}
|
|
#endif
|
|
imap_info("Logging in...\n");
|
|
server_fill_credential(srvc, &cred);
|
|
|
|
if (srvc->auth_method) {
|
|
struct imap_cmd_cb cb;
|
|
|
|
if (!strcmp(srvc->auth_method, "CRAM-MD5")) {
|
|
if (!CAP(AUTH_CRAM_MD5)) {
|
|
fprintf(stderr, "You specified "
|
|
"CRAM-MD5 as authentication method, "
|
|
"but %s doesn't support it.\n", srvc->host);
|
|
goto bail;
|
|
}
|
|
/* CRAM-MD5 */
|
|
|
|
memset(&cb, 0, sizeof(cb));
|
|
cb.cont = auth_cram_md5;
|
|
if (imap_exec(ctx, &cb, "AUTHENTICATE CRAM-MD5") != RESP_OK) {
|
|
fprintf(stderr, "IMAP error: AUTHENTICATE CRAM-MD5 failed\n");
|
|
goto bail;
|
|
}
|
|
} else {
|
|
fprintf(stderr, "Unknown authentication method:%s\n", srvc->host);
|
|
goto bail;
|
|
}
|
|
} else {
|
|
if (CAP(NOLOGIN)) {
|
|
fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n",
|
|
srvc->user, srvc->host);
|
|
goto bail;
|
|
}
|
|
if (!imap->buf.sock.ssl)
|
|
imap_warn("*** IMAP Warning *** Password is being "
|
|
"sent in the clear\n");
|
|
if (imap_exec(ctx, NULL, "LOGIN \"%s\" \"%s\"", srvc->user, srvc->pass) != RESP_OK) {
|
|
fprintf(stderr, "IMAP error: LOGIN failed\n");
|
|
goto bail;
|
|
}
|
|
}
|
|
} /* !preauth */
|
|
|
|
if (cred.username)
|
|
credential_approve(&cred);
|
|
credential_clear(&cred);
|
|
|
|
/* check the target mailbox exists */
|
|
ctx->name = folder;
|
|
switch (imap_exec(ctx, NULL, "EXAMINE \"%s\"", ctx->name)) {
|
|
case RESP_OK:
|
|
/* ok */
|
|
break;
|
|
case RESP_BAD:
|
|
fprintf(stderr, "IMAP error: could not check mailbox\n");
|
|
goto out;
|
|
case RESP_NO:
|
|
if (imap_exec(ctx, NULL, "CREATE \"%s\"", ctx->name) == RESP_OK) {
|
|
imap_info("Created missing mailbox\n");
|
|
} else {
|
|
fprintf(stderr, "IMAP error: could not create missing mailbox\n");
|
|
goto out;
|
|
}
|
|
break;
|
|
}
|
|
|
|
ctx->prefix = "";
|
|
return ctx;
|
|
|
|
bail:
|
|
if (cred.username)
|
|
credential_reject(&cred);
|
|
credential_clear(&cred);
|
|
|
|
out:
|
|
imap_close_store(ctx);
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Insert CR characters as necessary in *msg to ensure that every LF
|
|
* character in *msg is preceded by a CR.
|
|
*/
|
|
static void lf_to_crlf(struct strbuf *msg)
|
|
{
|
|
char *new_msg;
|
|
size_t i, j;
|
|
char lastc;
|
|
|
|
/* First pass: tally, in j, the size of the new_msg string: */
|
|
for (i = j = 0, lastc = '\0'; i < msg->len; i++) {
|
|
if (msg->buf[i] == '\n' && lastc != '\r')
|
|
j++; /* a CR will need to be added here */
|
|
lastc = msg->buf[i];
|
|
j++;
|
|
}
|
|
|
|
new_msg = xmallocz(j);
|
|
|
|
/*
|
|
* Second pass: write the new_msg string. Note that this loop is
|
|
* otherwise identical to the first pass.
|
|
*/
|
|
for (i = j = 0, lastc = '\0'; i < msg->len; i++) {
|
|
if (msg->buf[i] == '\n' && lastc != '\r')
|
|
new_msg[j++] = '\r';
|
|
lastc = new_msg[j++] = msg->buf[i];
|
|
}
|
|
strbuf_attach(msg, new_msg, j, j + 1);
|
|
}
|
|
|
|
/*
|
|
* Store msg to IMAP. Also detach and free the data from msg->data,
|
|
* leaving msg->data empty.
|
|
*/
|
|
static int imap_store_msg(struct imap_store *ctx, struct strbuf *msg)
|
|
{
|
|
struct imap *imap = ctx->imap;
|
|
struct imap_cmd_cb cb;
|
|
const char *prefix, *box;
|
|
int ret;
|
|
|
|
lf_to_crlf(msg);
|
|
memset(&cb, 0, sizeof(cb));
|
|
|
|
cb.dlen = msg->len;
|
|
cb.data = strbuf_detach(msg, NULL);
|
|
|
|
box = ctx->name;
|
|
prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
|
|
ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" ", prefix, box);
|
|
imap->caps = imap->rcaps;
|
|
if (ret != DRV_OK)
|
|
return ret;
|
|
|
|
return DRV_OK;
|
|
}
|
|
|
|
static void wrap_in_html(struct strbuf *msg)
|
|
{
|
|
struct strbuf buf = STRBUF_INIT;
|
|
static char *content_type = "Content-Type: text/html;\n";
|
|
static char *pre_open = "<pre>\n";
|
|
static char *pre_close = "</pre>\n";
|
|
const char *body = strstr(msg->buf, "\n\n");
|
|
|
|
if (!body)
|
|
return; /* Headers but no body; no wrapping needed */
|
|
|
|
body += 2;
|
|
|
|
strbuf_add(&buf, msg->buf, body - msg->buf - 1);
|
|
strbuf_addstr(&buf, content_type);
|
|
strbuf_addch(&buf, '\n');
|
|
strbuf_addstr(&buf, pre_open);
|
|
strbuf_addstr_xml_quoted(&buf, body);
|
|
strbuf_addstr(&buf, pre_close);
|
|
|
|
strbuf_release(msg);
|
|
*msg = buf;
|
|
}
|
|
|
|
static int count_messages(struct strbuf *all_msgs)
|
|
{
|
|
int count = 0;
|
|
char *p = all_msgs->buf;
|
|
|
|
while (1) {
|
|
if (starts_with(p, "From ")) {
|
|
p = strstr(p+5, "\nFrom: ");
|
|
if (!p) break;
|
|
p = strstr(p+7, "\nDate: ");
|
|
if (!p) break;
|
|
p = strstr(p+7, "\nSubject: ");
|
|
if (!p) break;
|
|
p += 10;
|
|
count++;
|
|
}
|
|
p = strstr(p+5, "\nFrom ");
|
|
if (!p)
|
|
break;
|
|
p++;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
/*
|
|
* Copy the next message from all_msgs, starting at offset *ofs, to
|
|
* msg. Update *ofs to the start of the following message. Return
|
|
* true iff a message was successfully copied.
|
|
*/
|
|
static int split_msg(struct strbuf *all_msgs, struct strbuf *msg, int *ofs)
|
|
{
|
|
char *p, *data;
|
|
size_t len;
|
|
|
|
if (*ofs >= all_msgs->len)
|
|
return 0;
|
|
|
|
data = &all_msgs->buf[*ofs];
|
|
len = all_msgs->len - *ofs;
|
|
|
|
if (len < 5 || !starts_with(data, "From "))
|
|
return 0;
|
|
|
|
p = strchr(data, '\n');
|
|
if (p) {
|
|
p++;
|
|
len -= p - data;
|
|
*ofs += p - data;
|
|
data = p;
|
|
}
|
|
|
|
p = strstr(data, "\nFrom ");
|
|
if (p)
|
|
len = &p[1] - data;
|
|
|
|
strbuf_add(msg, data, len);
|
|
*ofs += len;
|
|
return 1;
|
|
}
|
|
|
|
static int git_imap_config(const char *var, const char *val, void *cb)
|
|
{
|
|
|
|
if (!strcmp("imap.sslverify", var))
|
|
server.ssl_verify = git_config_bool(var, val);
|
|
else if (!strcmp("imap.preformattedhtml", var))
|
|
server.use_html = git_config_bool(var, val);
|
|
else if (!strcmp("imap.folder", var))
|
|
return git_config_string(&server.folder, var, val);
|
|
else if (!strcmp("imap.user", var))
|
|
return git_config_string(&server.user, var, val);
|
|
else if (!strcmp("imap.pass", var))
|
|
return git_config_string(&server.pass, var, val);
|
|
else if (!strcmp("imap.tunnel", var))
|
|
return git_config_string(&server.tunnel, var, val);
|
|
else if (!strcmp("imap.authmethod", var))
|
|
return git_config_string(&server.auth_method, var, val);
|
|
else if (!strcmp("imap.port", var))
|
|
server.port = git_config_int(var, val);
|
|
else if (!strcmp("imap.host", var)) {
|
|
if (!val) {
|
|
git_die_config("imap.host", "Missing value for 'imap.host'");
|
|
} else {
|
|
if (starts_with(val, "imap:"))
|
|
val += 5;
|
|
else if (starts_with(val, "imaps:")) {
|
|
val += 6;
|
|
server.use_ssl = 1;
|
|
}
|
|
if (starts_with(val, "//"))
|
|
val += 2;
|
|
server.host = xstrdup(val);
|
|
}
|
|
} else
|
|
return git_default_config(var, val, cb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int append_msgs_to_imap(struct imap_server_conf *server,
|
|
struct strbuf* all_msgs, int total)
|
|
{
|
|
struct strbuf msg = STRBUF_INIT;
|
|
struct imap_store *ctx = NULL;
|
|
int ofs = 0;
|
|
int r;
|
|
int n = 0;
|
|
|
|
ctx = imap_open_store(server, server->folder);
|
|
if (!ctx) {
|
|
fprintf(stderr, "failed to open store\n");
|
|
return 1;
|
|
}
|
|
ctx->name = server->folder;
|
|
|
|
fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
|
|
while (1) {
|
|
unsigned percent = n * 100 / total;
|
|
|
|
fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
|
|
|
|
if (!split_msg(all_msgs, &msg, &ofs))
|
|
break;
|
|
if (server->use_html)
|
|
wrap_in_html(&msg);
|
|
r = imap_store_msg(ctx, &msg);
|
|
if (r != DRV_OK)
|
|
break;
|
|
n++;
|
|
}
|
|
fprintf(stderr, "\n");
|
|
|
|
imap_close_store(ctx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef USE_CURL_FOR_IMAP_SEND
|
|
static CURL *setup_curl(struct imap_server_conf *srvc, struct credential *cred)
|
|
{
|
|
CURL *curl;
|
|
struct strbuf path = STRBUF_INIT;
|
|
char *uri_encoded_folder;
|
|
|
|
if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK)
|
|
die("curl_global_init failed");
|
|
|
|
curl = curl_easy_init();
|
|
|
|
if (!curl)
|
|
die("curl_easy_init failed");
|
|
|
|
server_fill_credential(&server, cred);
|
|
curl_easy_setopt(curl, CURLOPT_USERNAME, server.user);
|
|
curl_easy_setopt(curl, CURLOPT_PASSWORD, server.pass);
|
|
|
|
strbuf_addstr(&path, server.use_ssl ? "imaps://" : "imap://");
|
|
strbuf_addstr(&path, server.host);
|
|
if (!path.len || path.buf[path.len - 1] != '/')
|
|
strbuf_addch(&path, '/');
|
|
|
|
uri_encoded_folder = curl_easy_escape(curl, server.folder, 0);
|
|
if (!uri_encoded_folder)
|
|
die("failed to encode server folder");
|
|
strbuf_addstr(&path, uri_encoded_folder);
|
|
curl_free(uri_encoded_folder);
|
|
|
|
curl_easy_setopt(curl, CURLOPT_URL, path.buf);
|
|
strbuf_release(&path);
|
|
curl_easy_setopt(curl, CURLOPT_PORT, server.port);
|
|
|
|
if (server.auth_method) {
|
|
#if LIBCURL_VERSION_NUM < 0x072200
|
|
warning("No LOGIN_OPTIONS support in this cURL version");
|
|
#else
|
|
struct strbuf auth = STRBUF_INIT;
|
|
strbuf_addstr(&auth, "AUTH=");
|
|
strbuf_addstr(&auth, server.auth_method);
|
|
curl_easy_setopt(curl, CURLOPT_LOGIN_OPTIONS, auth.buf);
|
|
strbuf_release(&auth);
|
|
#endif
|
|
}
|
|
|
|
if (!server.use_ssl)
|
|
curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY);
|
|
|
|
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, server.ssl_verify);
|
|
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, server.ssl_verify);
|
|
|
|
curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer);
|
|
|
|
curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
|
|
|
|
if (0 < verbosity || getenv("GIT_CURL_VERBOSE"))
|
|
http_trace_curl_no_data();
|
|
setup_curl_trace(curl);
|
|
|
|
return curl;
|
|
}
|
|
|
|
static int curl_append_msgs_to_imap(struct imap_server_conf *server,
|
|
struct strbuf* all_msgs, int total)
|
|
{
|
|
int ofs = 0;
|
|
int n = 0;
|
|
struct buffer msgbuf = { STRBUF_INIT, 0 };
|
|
CURL *curl;
|
|
CURLcode res = CURLE_OK;
|
|
struct credential cred = CREDENTIAL_INIT;
|
|
|
|
curl = setup_curl(server, &cred);
|
|
curl_easy_setopt(curl, CURLOPT_READDATA, &msgbuf);
|
|
|
|
fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
|
|
while (1) {
|
|
unsigned percent = n * 100 / total;
|
|
int prev_len;
|
|
|
|
fprintf(stderr, "%4u%% (%d/%d) done\r", percent, n, total);
|
|
|
|
prev_len = msgbuf.buf.len;
|
|
if (!split_msg(all_msgs, &msgbuf.buf, &ofs))
|
|
break;
|
|
if (server->use_html)
|
|
wrap_in_html(&msgbuf.buf);
|
|
lf_to_crlf(&msgbuf.buf);
|
|
|
|
curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
|
|
(curl_off_t)(msgbuf.buf.len-prev_len));
|
|
|
|
res = curl_easy_perform(curl);
|
|
|
|
if(res != CURLE_OK) {
|
|
fprintf(stderr, "curl_easy_perform() failed: %s\n",
|
|
curl_easy_strerror(res));
|
|
break;
|
|
}
|
|
|
|
n++;
|
|
}
|
|
fprintf(stderr, "\n");
|
|
|
|
curl_easy_cleanup(curl);
|
|
curl_global_cleanup();
|
|
|
|
if (cred.username) {
|
|
if (res == CURLE_OK)
|
|
credential_approve(&cred);
|
|
#if LIBCURL_VERSION_NUM >= 0x070d01
|
|
else if (res == CURLE_LOGIN_DENIED)
|
|
#else
|
|
else
|
|
#endif
|
|
credential_reject(&cred);
|
|
}
|
|
|
|
credential_clear(&cred);
|
|
|
|
return res != CURLE_OK;
|
|
}
|
|
#endif
|
|
|
|
int cmd_main(int argc, const char **argv)
|
|
{
|
|
struct strbuf all_msgs = STRBUF_INIT;
|
|
int total;
|
|
int nongit_ok;
|
|
|
|
setup_git_directory_gently(&nongit_ok);
|
|
git_config(git_imap_config, NULL);
|
|
|
|
argc = parse_options(argc, (const char **)argv, "", imap_send_options, imap_send_usage, 0);
|
|
|
|
if (argc)
|
|
usage_with_options(imap_send_usage, imap_send_options);
|
|
|
|
#ifndef USE_CURL_FOR_IMAP_SEND
|
|
if (use_curl) {
|
|
warning("--curl not supported in this build");
|
|
use_curl = 0;
|
|
}
|
|
#elif defined(NO_OPENSSL)
|
|
if (!use_curl) {
|
|
warning("--no-curl not supported in this build");
|
|
use_curl = 1;
|
|
}
|
|
#endif
|
|
|
|
if (!server.port)
|
|
server.port = server.use_ssl ? 993 : 143;
|
|
|
|
if (!server.folder) {
|
|
fprintf(stderr, "no imap store specified\n");
|
|
return 1;
|
|
}
|
|
if (!server.host) {
|
|
if (!server.tunnel) {
|
|
fprintf(stderr, "no imap host specified\n");
|
|
return 1;
|
|
}
|
|
server.host = "tunnel";
|
|
}
|
|
|
|
/* read the messages */
|
|
if (strbuf_read(&all_msgs, 0, 0) < 0) {
|
|
error_errno(_("could not read from stdin"));
|
|
return 1;
|
|
}
|
|
|
|
if (all_msgs.len == 0) {
|
|
fprintf(stderr, "nothing to send\n");
|
|
return 1;
|
|
}
|
|
|
|
total = count_messages(&all_msgs);
|
|
if (!total) {
|
|
fprintf(stderr, "no messages to send\n");
|
|
return 1;
|
|
}
|
|
|
|
/* write it to the imap server */
|
|
|
|
if (server.tunnel)
|
|
return append_msgs_to_imap(&server, &all_msgs, total);
|
|
|
|
#ifdef USE_CURL_FOR_IMAP_SEND
|
|
if (use_curl)
|
|
return curl_append_msgs_to_imap(&server, &all_msgs, total);
|
|
#endif
|
|
|
|
return append_msgs_to_imap(&server, &all_msgs, total);
|
|
}
|