diff options
Diffstat (limited to 'imap-send.c')
-rw-r--r-- | imap-send.c | 241 |
1 files changed, 64 insertions, 177 deletions
diff --git a/imap-send.c b/imap-send.c index 3847fd151d..de8114bac0 100644 --- a/imap-send.c +++ b/imap-send.c @@ -24,6 +24,7 @@ #include "cache.h" #include "exec_cmd.h" +#include "run-command.h" #ifdef NO_OPENSSL typedef void *SSL; #endif @@ -93,6 +94,9 @@ struct msg_data { unsigned int crlf:1; }; +static const char imap_send_usage[] = "git imap-send < <mbox>"; + +#undef DRV_OK #define DRV_OK 0 #define DRV_MSG_BAD -1 #define DRV_BOX_BAD -2 @@ -100,13 +104,16 @@ struct msg_data { static int Verbose, Quiet; +__attribute__((format (printf, 1, 2))) static void imap_info(const char *, ...); +__attribute__((format (printf, 1, 2))) static void imap_warn(const char *, ...); static char *next_arg(char **); static void free_generic_messages(struct message *); +__attribute__((format (printf, 3, 4))) static int nfsnprintf(char *buf, int blen, const char *fmt, ...); static int nfvasprintf(char **strp, const char *fmt, va_list ap) @@ -123,9 +130,6 @@ static int nfvasprintf(char **strp, const char *fmt, va_list ap) return len; } -static void arc4_init(void); -static unsigned char arc4_getbyte(void); - struct imap_server_conf { char *name; char *tunnel; @@ -154,7 +158,7 @@ struct imap_list { }; struct imap_socket { - int fd; + int fd[2]; SSL *ssl; }; @@ -273,7 +277,11 @@ static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int ve 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; @@ -304,8 +312,12 @@ static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int ve 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; } @@ -327,11 +339,12 @@ static int socket_read(struct imap_socket *sock, char *buf, int len) 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; } @@ -344,11 +357,12 @@ static int socket_write(struct imap_socket *sock, const char *buf, int len) 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; } @@ -361,7 +375,8 @@ static void socket_shutdown(struct imap_socket *sock) SSL_free(sock->ssl); } #endif - close(sock->fd); + close(sock->fd[0]); + close(sock->fd[1]); } /* simple line buffering */ @@ -489,52 +504,6 @@ static int nfsnprintf(char *buf, int blen, const char *fmt, ...) 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) @@ -596,6 +565,7 @@ static struct imap_cmd *v_issue_imap_cmd(struct imap_store *ctx, return cmd; } +__attribute__((format (printf, 3, 4))) static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx, struct imap_cmd_cb *cb, const char *fmt, ...) @@ -609,6 +579,7 @@ static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx, return ret; } +__attribute__((format (printf, 3, 4))) static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb, const char *fmt, ...) { @@ -624,6 +595,7 @@ static int imap_exec(struct imap_store *ctx, struct imap_cmd_cb *cb, 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, ...) { @@ -914,7 +886,7 @@ static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd) 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\"", strchr(p + 1, '"') - p + 1, p)) { + if (!issue_imap_cmd(ctx, NULL, "CREATE \"%.*s\"", (int)(strchr(p + 1, '"') - p + 1), p)) { resp = RESP_BAD; goto normal; } @@ -960,7 +932,7 @@ static void imap_close_server(struct imap_store *ictx) { 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); } @@ -982,40 +954,35 @@ static struct store *imap_open_store(struct imap_server_conf *srvc) struct imap_store *ctx; struct imap *imap; char *arg, *rsp; - int s = -1, 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 { @@ -1092,7 +1059,8 @@ static struct store *imap_open_store(struct imap_server_conf *srvc) 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)) { @@ -1198,88 +1166,20 @@ static int imap_make_flags(int flags, char *buf) 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) { @@ -1288,26 +1188,14 @@ static int imap_store_msg(struct store *gctx, struct msg_data *data, int *uid) } 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; } @@ -1483,7 +1371,6 @@ int main(int argc, char **argv) { struct msg_data all_msgs, msg; struct store *ctx = NULL; - int uid = 0; int ofs = 0; int r; int total, n = 0; @@ -1491,8 +1378,8 @@ int main(int argc, char **argv) git_extract_argv0_path(argv[0]); - /* init the random number generator */ - arc4_init(); + if (argc != 1) + usage(imap_send_usage); setup_git_directory_gently(&nongit_ok); git_config(git_imap_config, NULL); @@ -1540,7 +1427,7 @@ int main(int argc, char **argv) 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++; |