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-rw-r--r--imap-send.c424
1 files changed, 274 insertions, 150 deletions
diff --git a/imap-send.c b/imap-send.c
index 45230e1..37ac4aa 100644
--- a/imap-send.c
+++ b/imap-send.c
@@ -23,14 +23,35 @@
*/
#include "cache.h"
+#include "credential.h"
#include "exec_cmd.h"
#include "run-command.h"
-#include "prompt.h"
+#include "parse-options.h"
#ifdef NO_OPENSSL
typedef void *SSL;
#endif
+#ifdef USE_CURL_FOR_IMAP_SEND
+#include "http.h"
+#endif
+
+#if defined(USE_CURL_FOR_IMAP_SEND) && defined(NO_OPENSSL)
+/* only available option */
+#define USE_CURL_DEFAULT 1
+#else
+/* strictly opt in */
+#define USE_CURL_DEFAULT 0
+#endif
+
+static int verbosity;
+static int use_curl = USE_CURL_DEFAULT;
-static const char imap_send_usage[] = "git imap-send < <mbox>";
+static const char * const imap_send_usage[] = { "git imap-send [-v] [-q] [--[no-]curl] < <mbox>", NULL };
+
+static struct option imap_send_options[] = {
+ OPT__VERBOSITY(&verbosity),
+ OPT_BOOL(0, "curl", &use_curl, "use libcurl to communicate with the IMAP server"),
+ OPT_END()
+};
#undef DRV_OK
#define DRV_OK 0
@@ -38,8 +59,6 @@ static const char imap_send_usage[] = "git imap-send < <mbox>";
#define DRV_BOX_BAD -2
#define DRV_STORE_BAD -3
-static int Verbose, Quiet;
-
__attribute__((format (printf, 1, 2)))
static void imap_info(const char *, ...);
__attribute__((format (printf, 1, 2)))
@@ -69,6 +88,7 @@ struct imap_server_conf {
char *tunnel;
char *host;
int port;
+ char *folder;
char *user;
char *pass;
int use_ssl;
@@ -82,6 +102,7 @@ static struct imap_server_conf server = {
NULL, /* tunnel */
NULL, /* host */
0, /* port */
+ NULL, /* folder */
NULL, /* user */
NULL, /* pass */
0, /* use_ssl */
@@ -128,7 +149,6 @@ struct imap_cmd_cb {
char *data;
int dlen;
int uid;
- unsigned create:1, trycreate:1;
};
struct imap_cmd {
@@ -417,7 +437,7 @@ static int buffer_gets(struct imap_buffer *b, char **s)
if (b->buf[b->offset + 1] == '\n') {
b->buf[b->offset] = 0; /* terminate the string */
b->offset += 2; /* next line */
- if (Verbose)
+ if (0 < verbosity)
puts(*s);
return 0;
}
@@ -432,7 +452,7 @@ static void imap_info(const char *msg, ...)
{
va_list va;
- if (!Quiet) {
+ if (0 <= verbosity) {
va_start(va, msg);
vprintf(msg, va);
va_end(va);
@@ -444,7 +464,7 @@ static void imap_warn(const char *msg, ...)
{
va_list va;
- if (Quiet < 2) {
+ if (-2 < verbosity) {
va_start(va, msg);
vfprintf(stderr, msg, va);
va_end(va);
@@ -493,9 +513,9 @@ static int nfsnprintf(char *buf, int blen, const char *fmt, ...)
return ret;
}
-static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
- struct imap_cmd_cb *cb,
- const char *fmt, va_list ap)
+static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
+ struct imap_cmd_cb *cb,
+ const char *fmt, va_list ap)
{
struct imap *imap = ctx->imap;
struct imap_cmd *cmd;
@@ -521,10 +541,10 @@ static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
cmd->tag, cmd->cmd, cmd->cb.dlen,
CAP(LITERALPLUS) ? "+" : "");
- if (Verbose) {
+ if (0 < verbosity) {
if (imap->num_in_progress)
printf("(%d in progress) ", imap->num_in_progress);
- if (memcmp(cmd->cmd, "LOGIN", 5))
+ if (!starts_with(cmd->cmd, "LOGIN"))
printf(">>> %s", buf);
else
printf(">>> %d LOGIN <user> <pass>\n", cmd->tag);
@@ -559,20 +579,6 @@ static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx,
}
__attribute__((format (printf, 3, 4)))
-static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx,
- struct imap_cmd_cb *cb,
- const char *fmt, ...)
-{
- struct imap_cmd *ret;
- va_list ap;
-
- va_start(ap, fmt);
- ret = v_issue_imap_cmd(ctx, cb, fmt, ap);
- va_end(ap);
- return ret;
-}
-
-__attribute__((format (printf, 3, 4)))
static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
const char *fmt, ...)
{
@@ -580,7 +586,7 @@ static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb,
struct imap_cmd *cmdp;
va_start(ap, fmt);
- cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
+ cmdp = issue_imap_cmd(ctx, cb, fmt, ap);
va_end(ap);
if (!cmdp)
return RESP_BAD;
@@ -596,7 +602,7 @@ static int imap_exec_m(struct imap_store *ctx, struct imap_cmd_cb *cb,
struct imap_cmd *cmdp;
va_start(ap, fmt);
- cmdp = v_issue_imap_cmd(ctx, cb, fmt, ap);
+ cmdp = issue_imap_cmd(ctx, cb, fmt, ap);
va_end(ap);
if (!cmdp)
return DRV_STORE_BAD;
@@ -714,8 +720,8 @@ static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb,
static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
{
struct imap *imap = ctx->imap;
- struct imap_cmd *cmdp, **pcmdp, *ncmdp;
- char *cmd, *arg, *arg1, *p;
+ struct imap_cmd *cmdp, **pcmdp;
+ char *cmd, *arg, *arg1;
int n, resp, resp2, tag;
for (;;) {
@@ -801,39 +807,17 @@ static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
if (!strcmp("OK", arg))
resp = DRV_OK;
else {
- if (!strcmp("NO", arg)) {
- if (cmdp->cb.create && cmd && (cmdp->cb.trycreate || !memcmp(cmd, "[TRYCREATE]", 11))) { /* SELECT, APPEND or UID COPY */
- p = strchr(cmdp->cmd, '"');
- if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", (int)(strchr(p + 1, '"') - p + 1), p)) {
- resp = RESP_BAD;
- goto normal;
- }
- /* not waiting here violates the spec, but a server that does not
- grok this nonetheless violates it too. */
- cmdp->cb.create = 0;
- if (!(ncmdp = issue_imap_cmd(ctx, &cmdp->cb, "%s", cmdp->cmd))) {
- resp = RESP_BAD;
- goto normal;
- }
- free(cmdp->cmd);
- free(cmdp);
- if (!tcmd)
- return 0; /* ignored */
- if (cmdp == tcmd)
- tcmd = ncmdp;
- continue;
- }
+ if (!strcmp("NO", arg))
resp = RESP_NO;
- } else /*if (!strcmp("BAD", arg))*/
+ else /*if (!strcmp("BAD", arg))*/
resp = RESP_BAD;
fprintf(stderr, "IMAP command '%s' returned response (%s) - %s\n",
- memcmp(cmdp->cmd, "LOGIN", 5) ?
+ !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;
- normal:
if (cmdp->cb.done)
cmdp->cb.done(ctx, cmdp, resp);
free(cmdp->cb.data);
@@ -944,8 +928,9 @@ static int auth_cram_md5(struct imap_store *ctx, struct imap_cmd *cmd, const cha
return 0;
}
-static struct imap_store *imap_open_store(struct imap_server_conf *srvc)
+static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *folder)
{
+ struct credential cred = CREDENTIAL_INIT;
struct imap_store *ctx;
struct imap *imap;
char *arg, *rsp;
@@ -953,24 +938,23 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc)
ctx = xcalloc(1, sizeof(*ctx));
- ctx->imap = imap = xcalloc(sizeof(*imap), 1);
+ ctx->imap = imap = xcalloc(1, sizeof(*imap));
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) {
- const char *argv[] = { srvc->tunnel, NULL };
- struct child_process tunnel = {NULL};
+ struct child_process tunnel = CHILD_PROCESS_INIT;
imap_info("Starting tunnel '%s'... ", srvc->tunnel);
- tunnel.argv = argv;
+ argv_array_push(&tunnel.args, srvc->tunnel);
tunnel.use_shell = 1;
tunnel.in = -1;
tunnel.out = -1;
if (start_command(&tunnel))
- die("cannot start proxy %s", argv[0]);
+ die("cannot start proxy %s", srvc->tunnel);
imap->buf.sock.fd[0] = tunnel.out;
imap->buf.sock.fd[1] = tunnel.in;
@@ -1096,25 +1080,23 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc)
}
#endif
imap_info("Logging in...\n");
- if (!srvc->user) {
- fprintf(stderr, "Skipping server %s, no user\n", srvc->host);
- goto bail;
- }
- if (!srvc->pass) {
- struct strbuf prompt = STRBUF_INIT;
- strbuf_addf(&prompt, "Password (%s@%s): ", srvc->user, srvc->host);
- arg = git_getpass(prompt.buf);
- strbuf_release(&prompt);
- if (!*arg) {
- fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
- goto bail;
- }
- /*
- * getpass() returns a pointer to a static buffer. make a copy
- * for long term storage.
- */
- srvc->pass = xstrdup(arg);
+ if (!srvc->user || !srvc->pass) {
+ cred.protocol = xstrdup(srvc->use_ssl ? "imaps" : "imap");
+ cred.host = xstrdup(srvc->host);
+
+ if (srvc->user)
+ cred.username = xstrdup(srvc->user);
+ if (srvc->pass)
+ cred.password = xstrdup(srvc->pass);
+
+ credential_fill(&cred);
+
+ if (!srvc->user)
+ srvc->user = xstrdup(cred.username);
+ if (!srvc->pass)
+ srvc->pass = xstrdup(cred.password);
}
+
if (CAP(NOLOGIN)) {
fprintf(stderr, "Skipping account %s@%s, server forbids LOGIN\n", srvc->user, srvc->host);
goto bail;
@@ -1153,10 +1135,38 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc)
}
} /* !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;
}
@@ -1212,7 +1222,6 @@ static int imap_store_msg(struct imap_store *ctx, struct strbuf *msg)
box = ctx->name;
prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
- cb.create = 0;
ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" ", prefix, box);
imap->caps = imap->rcaps;
if (ret != DRV_OK)
@@ -1317,75 +1326,206 @@ static int split_msg(struct strbuf *all_msgs, struct strbuf *msg, int *ofs)
return 1;
}
-static char *imap_folder;
-
-static int git_imap_config(const char *key, const char *val, void *cb)
+static void git_imap_config(void)
{
- char imap_key[] = "imap.";
+ const char *val = NULL;
- if (strncmp(key, imap_key, sizeof imap_key - 1))
- return 0;
+ git_config_get_bool("imap.sslverify", &server.ssl_verify);
+ git_config_get_bool("imap.preformattedhtml", &server.use_html);
+ git_config_get_string("imap.folder", &server.folder);
- key += sizeof imap_key - 1;
-
- /* check booleans first, and barf on others */
- if (!strcmp("sslverify", key))
- server.ssl_verify = git_config_bool(key, val);
- else if (!strcmp("preformattedhtml", key))
- server.use_html = git_config_bool(key, val);
- else if (!val)
- return config_error_nonbool(key);
-
- if (!strcmp("folder", key)) {
- imap_folder = xstrdup(val);
- } else if (!strcmp("host", key)) {
- if (starts_with(val, "imap:"))
- val += 5;
- else if (starts_with(val, "imaps:")) {
- val += 6;
- server.use_ssl = 1;
+ if (!git_config_get_value("imap.host", &val)) {
+ 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);
}
- if (starts_with(val, "//"))
- val += 2;
- server.host = xstrdup(val);
- } else if (!strcmp("user", key))
- server.user = xstrdup(val);
- else if (!strcmp("pass", key))
- server.pass = xstrdup(val);
- else if (!strcmp("port", key))
- server.port = git_config_int(key, val);
- else if (!strcmp("tunnel", key))
- server.tunnel = xstrdup(val);
- else if (!strcmp("authmethod", key))
- server.auth_method = xstrdup(val);
+ }
- return 0;
+ git_config_get_string("imap.user", &server.user);
+ git_config_get_string("imap.pass", &server.pass);
+ git_config_get_int("imap.port", &server.port);
+ git_config_get_string("imap.tunnel", &server.tunnel);
+ git_config_get_string("imap.authmethod", &server.auth_method);
}
-int main(int argc, char **argv)
+static int append_msgs_to_imap(struct imap_server_conf *server,
+ struct strbuf* all_msgs, int total)
{
- struct strbuf all_msgs = STRBUF_INIT;
struct strbuf msg = STRBUF_INIT;
struct imap_store *ctx = NULL;
int ofs = 0;
int r;
- int total, n = 0;
+ 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)
+{
+ CURL *curl;
+ struct strbuf path = STRBUF_INIT;
+
+ 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");
+
+ curl_easy_setopt(curl, CURLOPT_USERNAME, server.user);
+ curl_easy_setopt(curl, CURLOPT_PASSWORD, server.pass);
+
+ strbuf_addstr(&path, server.host);
+ if (!path.len || path.buf[path.len - 1] != '/')
+ strbuf_addch(&path, '/');
+ strbuf_addstr(&path, server.folder);
+
+ curl_easy_setopt(curl, CURLOPT_URL, path.buf);
+ strbuf_release(&path);
+ curl_easy_setopt(curl, CURLOPT_PORT, server.port);
+
+ if (server.auth_method) {
+ 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);
+ }
+
+ 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"))
+ curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+
+ 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;
+
+ curl = setup_curl(server);
+ 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();
+
+ return 0;
+}
+#endif
+
+int main(int argc, char **argv)
+{
+ struct strbuf all_msgs = STRBUF_INIT;
+ int total;
int nongit_ok;
git_extract_argv0_path(argv[0]);
git_setup_gettext();
- if (argc != 1)
- usage(imap_send_usage);
-
setup_git_directory_gently(&nongit_ok);
- git_config(git_imap_config, NULL);
+ git_imap_config();
+
+ 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 (!imap_folder) {
+ if (!server.folder) {
fprintf(stderr, "no imap store specified\n");
return 1;
}
@@ -1415,30 +1555,14 @@ int main(int argc, char **argv)
}
/* write it to the imap server */
- ctx = imap_open_store(&server);
- if (!ctx) {
- fprintf(stderr, "failed to open store\n");
- return 1;
- }
- fprintf(stderr, "sending %d message%s\n", total, (total != 1) ? "s" : "");
- ctx->name = imap_folder;
- while (1) {
- unsigned percent = n * 100 / total;
+ if (server.tunnel)
+ return append_msgs_to_imap(&server, &all_msgs, 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);
+#ifdef USE_CURL_FOR_IMAP_SEND
+ if (use_curl)
+ return curl_append_msgs_to_imap(&server, &all_msgs, total);
+#endif
- return 0;
+ return append_msgs_to_imap(&server, &all_msgs, total);
}
generated by cgit v0.10.2-6-g49f6 at 2024-04-19 22:07:36 (GMT)