Annotation of src/usr.bin/cvs/remote.c, Revision 1.16
1.16 ! tobias 1: /* $OpenBSD: remote.c,v 1.15 2007/05/16 19:40:45 xsa Exp $ */
1.1 joris 2: /*
3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17:
1.14 otto 18: #include <sys/stat.h>
19:
20: #include <errno.h>
21: #include <fcntl.h>
22: #include <stdlib.h>
23: #include <string.h>
24: #include <unistd.h>
1.1 joris 25:
26: #include "cvs.h"
27: #include "remote.h"
28:
29: struct cvs_resp *
30: cvs_remote_get_response_info(const char *response)
31: {
32: int i;
33:
34: for (i = 0; cvs_responses[i].supported != -1; i++) {
35: if (!strcmp(cvs_responses[i].name, response))
36: return (&(cvs_responses[i]));
37: }
38:
39: return (NULL);
40: }
41:
42: struct cvs_req *
43: cvs_remote_get_request_info(const char *request)
44: {
45: int i;
46:
47: for (i = 0; cvs_requests[i].supported != -1; i++) {
48: if (!strcmp(cvs_requests[i].name, request))
49: return (&(cvs_requests[i]));
50: }
51:
52: return (NULL);
53: }
54:
55: void
56: cvs_remote_output(const char *data)
57: {
58: FILE *out;
1.16 ! tobias 59: char nl = '\n';
1.1 joris 60:
61: if (cvs_server_active)
62: out = stdout;
63: else
64: out = current_cvsroot->cr_srvin;
65:
66: fputs(data, out);
67: fputs("\n", out);
1.16 ! tobias 68:
! 69: if (cvs_server_active == 0 && cvs_client_inlog_fd != -1) {
! 70: (void)write(cvs_client_inlog_fd, data, strlen(data));
! 71: (void)write(cvs_client_inlog_fd, &nl, 1);
! 72: }
1.1 joris 73: }
74:
75: char *
76: cvs_remote_input(void)
77: {
78: FILE *in;
79: size_t len;
1.16 ! tobias 80: char nl = '\n';
1.1 joris 81: char *data, *ldata;
82:
83: if (cvs_server_active)
84: in = stdin;
85: else
86: in = current_cvsroot->cr_srvout;
87:
88: data = fgetln(in, &len);
89: if (data == NULL) {
90: if (sig_received != 0)
91: fatal("received signal %d", sig_received);
92:
93: if (cvs_server_active) {
94: cvs_cleanup();
95: exit(0);
96: }
97:
98: fatal("the connection has been closed by the server");
99: }
100:
101: if (data[len - 1] == '\n') {
102: data[len - 1] = '\0';
1.9 otto 103: ldata = xstrdup(data);
1.1 joris 104: } else {
105: ldata = xmalloc(len + 1);
1.9 otto 106: memcpy(ldata, data, len);
107: ldata[len] = '\0';
1.1 joris 108: }
1.5 joris 109:
110: if (cvs_server_active == 0 && cvs_client_outlog_fd != -1) {
1.16 ! tobias 111: (void)write(cvs_client_outlog_fd, data, strlen(data));
! 112: (void)write(cvs_client_outlog_fd, &nl, 1);
1.5 joris 113: }
114:
1.1 joris 115: return (ldata);
116: }
117:
1.6 joris 118: void
119: cvs_remote_receive_file(int fd, size_t len)
1.1 joris 120: {
121: FILE *in;
1.10 otto 122: char data[MAXBSIZE];
1.6 joris 123: size_t nread, nwrite, nleft, toread;
1.1 joris 124:
125: if (cvs_server_active)
126: in = stdin;
127: else
128: in = current_cvsroot->cr_srvout;
129:
1.6 joris 130: nleft = len;
131:
132: while (nleft > 0) {
133: toread = MIN(nleft, MAXBSIZE);
134:
135: nread = fread(data, sizeof(char), toread, in);
136: if (nread == 0)
137: fatal("error receiving file");
1.4 joris 138:
1.6 joris 139: nwrite = write(fd, data, nread);
140: if (nwrite != nread)
1.8 otto 141: fatal("failed to write %zu bytes", nread);
1.6 joris 142:
143: if (cvs_server_active == 0 &&
144: cvs_client_outlog_fd != -1)
145: (void)write(cvs_client_outlog_fd, data, nread);
1.1 joris 146:
1.6 joris 147: nleft -= nread;
1.5 joris 148: }
1.1 joris 149: }
150:
151: void
152: cvs_remote_send_file(const char *path)
153: {
1.13 xsa 154: int fd;
1.6 joris 155: FILE *out, *in;
1.8 otto 156: size_t ret, rw;
157: off_t total;
1.1 joris 158: struct stat st;
1.11 otto 159: char buf[18], data[MAXBSIZE];
1.1 joris 160:
161: if (cvs_server_active)
162: out = stdout;
163: else
164: out = current_cvsroot->cr_srvin;
165:
166: if ((fd = open(path, O_RDONLY)) == -1)
167: fatal("cvs_remote_send_file: %s: %s", path, strerror(errno));
168:
169: if (fstat(fd, &st) == -1)
170: fatal("cvs_remote_send_file: %s: %s", path, strerror(errno));
171:
172: cvs_modetostr(st.st_mode, buf, sizeof(buf));
173: cvs_remote_output(buf);
174:
1.13 xsa 175: (void)xsnprintf(buf, sizeof(buf), "%lld", st.st_size);
1.1 joris 176: cvs_remote_output(buf);
177:
1.6 joris 178: if ((in = fdopen(fd, "r")) == NULL)
179: fatal("cvs_remote_send_file: fdopen %s", strerror(errno));
180:
181: total = 0;
182: while ((ret = fread(data, sizeof(char), MAXBSIZE, in)) != 0) {
183: rw = fwrite(data, sizeof(char), ret, out);
184: if (rw != ret)
1.8 otto 185: fatal("failed to write %zu bytes", ret);
1.5 joris 186:
1.15 xsa 187: if (cvs_server_active == 0 && cvs_client_inlog_fd != -1)
188: (void)write(cvs_client_inlog_fd, data, ret);
1.6 joris 189:
190: total += ret;
1.5 joris 191: }
1.1 joris 192:
1.6 joris 193: if (total != st.st_size)
1.8 otto 194: fatal("length mismatch, %lld vs %lld", total, st.st_size);
1.4 joris 195:
1.6 joris 196: (void)fclose(in);
1.1 joris 197: }
198:
199: void
200: cvs_remote_classify_file(struct cvs_file *cf)
201: {
202: struct stat st;
203: CVSENTRIES *entlist;
204:
205: entlist = cvs_ent_open(cf->file_wd);
206: cf->file_ent = cvs_ent_get(entlist, cf->file_name);
207: cvs_ent_close(entlist, ENT_NOSYNC);
208:
209: if (cf->file_ent != NULL && cf->file_ent->ce_status != CVS_ENT_REG) {
210: if (cf->file_ent->ce_status == CVS_ENT_ADDED)
211: cf->file_status = FILE_ADDED;
212: else
213: cf->file_status = FILE_REMOVED;
214: return;
1.2 joris 215: }
216:
217: if (cf->file_ent != NULL) {
218: if (cf->file_ent->ce_type == CVS_ENT_DIR)
219: cf->file_type = CVS_DIR;
220: else
221: cf->file_type = CVS_FILE;
1.1 joris 222: }
223:
224: if (cf->fd != -1 && cf->file_ent != NULL) {
225: if (fstat(cf->fd, &st) == -1)
226: fatal("cvs_remote_classify_file(%s): %s", cf->file_path,
227: strerror(errno));
228:
1.12 joris 229: if (st.st_mtime != cf->file_ent->ce_mtime)
1.1 joris 230: cf->file_status = FILE_MODIFIED;
231: else
232: cf->file_status = FILE_UPTODATE;
233: } else if (cf->fd == -1) {
234: cf->file_status = FILE_UNKNOWN;
235: }
1.7 joris 236:
237: if (cvs_cmdop == CVS_OP_IMPORT && cf->file_type == CVS_FILE)
238: cf->file_status = FILE_MODIFIED;
1.1 joris 239: }
240: