Annotation of src/usr.bin/cvs/remote.c, Revision 1.13
1.13 ! xsa 1: /* $OpenBSD: remote.c,v 1.12 2007/01/26 11:19:44 joris 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:
18: #include "includes.h"
19:
20: #include "cvs.h"
21: #include "log.h"
22: #include "diff.h"
23: #include "remote.h"
24:
25: struct cvs_resp *
26: cvs_remote_get_response_info(const char *response)
27: {
28: int i;
29:
30: for (i = 0; cvs_responses[i].supported != -1; i++) {
31: if (!strcmp(cvs_responses[i].name, response))
32: return (&(cvs_responses[i]));
33: }
34:
35: return (NULL);
36: }
37:
38: struct cvs_req *
39: cvs_remote_get_request_info(const char *request)
40: {
41: int i;
42:
43: for (i = 0; cvs_requests[i].supported != -1; i++) {
44: if (!strcmp(cvs_requests[i].name, request))
45: return (&(cvs_requests[i]));
46: }
47:
48: return (NULL);
49: }
50:
51: void
52: cvs_remote_output(const char *data)
53: {
54: FILE *out;
55:
56: if (cvs_server_active)
57: out = stdout;
58: else
59: out = current_cvsroot->cr_srvin;
60:
61: fputs(data, out);
62: fputs("\n", out);
63: }
64:
65: char *
66: cvs_remote_input(void)
67: {
68: FILE *in;
69: size_t len;
70: char *data, *ldata;
71:
72: if (cvs_server_active)
73: in = stdin;
74: else
75: in = current_cvsroot->cr_srvout;
76:
77: data = fgetln(in, &len);
78: if (data == NULL) {
79: if (sig_received != 0)
80: fatal("received signal %d", sig_received);
81:
82: if (cvs_server_active) {
83: cvs_cleanup();
84: exit(0);
85: }
86:
87: fatal("the connection has been closed by the server");
88: }
89:
90: if (data[len - 1] == '\n') {
91: data[len - 1] = '\0';
1.9 otto 92: ldata = xstrdup(data);
1.1 joris 93: } else {
94: ldata = xmalloc(len + 1);
1.9 otto 95: memcpy(ldata, data, len);
96: ldata[len] = '\0';
1.1 joris 97: }
1.5 joris 98:
99: if (cvs_server_active == 0 && cvs_client_outlog_fd != -1) {
100: BUF *bp;
101:
102: bp = cvs_buf_alloc(strlen(ldata), BUF_AUTOEXT);
103:
104: if (cvs_buf_append(bp, ldata, strlen(ldata)) < 0)
105: fatal("cvs_remote_input: cvs_buf_append");
106:
107: cvs_buf_putc(bp, '\n');
108:
109: if (cvs_buf_write_fd(bp, cvs_client_outlog_fd) < 0)
110: fatal("cvs_remote_input: cvs_buf_write_fd");
111:
112: cvs_buf_free(bp);
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:
1.6 joris 187: if (cvs_server_active == 0 &&
188: cvs_client_outlog_fd != -1)
189: (void)write(cvs_client_outlog_fd, data, ret);
190:
191: total += ret;
1.5 joris 192: }
1.1 joris 193:
1.6 joris 194: if (total != st.st_size)
1.8 otto 195: fatal("length mismatch, %lld vs %lld", total, st.st_size);
1.4 joris 196:
1.6 joris 197: (void)fclose(in);
1.1 joris 198: }
199:
200: void
201: cvs_remote_classify_file(struct cvs_file *cf)
202: {
203: struct stat st;
204: CVSENTRIES *entlist;
205:
206: entlist = cvs_ent_open(cf->file_wd);
207: cf->file_ent = cvs_ent_get(entlist, cf->file_name);
208: cvs_ent_close(entlist, ENT_NOSYNC);
209:
210: if (cf->file_ent != NULL && cf->file_ent->ce_status != CVS_ENT_REG) {
211: if (cf->file_ent->ce_status == CVS_ENT_ADDED)
212: cf->file_status = FILE_ADDED;
213: else
214: cf->file_status = FILE_REMOVED;
215: return;
1.2 joris 216: }
217:
218: if (cf->file_ent != NULL) {
219: if (cf->file_ent->ce_type == CVS_ENT_DIR)
220: cf->file_type = CVS_DIR;
221: else
222: cf->file_type = CVS_FILE;
1.1 joris 223: }
224:
225: if (cf->fd != -1 && cf->file_ent != NULL) {
226: if (fstat(cf->fd, &st) == -1)
227: fatal("cvs_remote_classify_file(%s): %s", cf->file_path,
228: strerror(errno));
229:
1.12 joris 230: if (st.st_mtime != cf->file_ent->ce_mtime)
1.1 joris 231: cf->file_status = FILE_MODIFIED;
232: else
233: cf->file_status = FILE_UPTODATE;
234: } else if (cf->fd == -1) {
235: cf->file_status = FILE_UNKNOWN;
236: }
1.7 joris 237:
238: if (cvs_cmdop == CVS_OP_IMPORT && cf->file_type == CVS_FILE)
239: cf->file_status = FILE_MODIFIED;
1.1 joris 240: }
241: