Annotation of src/usr.bin/cvs/remote.c, Revision 1.8
1.8 ! otto 1: /* $OpenBSD: remote.c,v 1.7 2007/01/18 16:45:52 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';
92: } else {
93: ldata = xmalloc(len + 1);
94: if (strlcpy(ldata, data, len) >= len)
95: fatal("cvs_remote_input: truncation");
96: data = ldata;
97: }
98:
99: ldata = xstrdup(data);
1.5 joris 100:
101: if (cvs_server_active == 0 && cvs_client_outlog_fd != -1) {
102: BUF *bp;
103:
104: bp = cvs_buf_alloc(strlen(ldata), BUF_AUTOEXT);
105:
106: if (cvs_buf_append(bp, ldata, strlen(ldata)) < 0)
107: fatal("cvs_remote_input: cvs_buf_append");
108:
109: cvs_buf_putc(bp, '\n');
110:
111: if (cvs_buf_write_fd(bp, cvs_client_outlog_fd) < 0)
112: fatal("cvs_remote_input: cvs_buf_write_fd");
113:
114: cvs_buf_free(bp);
115: }
116:
1.1 joris 117: return (ldata);
118: }
119:
1.6 joris 120: void
121: cvs_remote_receive_file(int fd, size_t len)
1.1 joris 122: {
123: FILE *in;
124: char *data;
1.6 joris 125: size_t nread, nwrite, nleft, toread;
1.1 joris 126:
127: if (cvs_server_active)
128: in = stdin;
129: else
130: in = current_cvsroot->cr_srvout;
131:
1.6 joris 132: data = xmalloc(MAXBSIZE);
133: nleft = len;
134:
135: while (nleft > 0) {
136: toread = MIN(nleft, MAXBSIZE);
137:
138: nread = fread(data, sizeof(char), toread, in);
139: if (nread == 0)
140: fatal("error receiving file");
1.4 joris 141:
1.6 joris 142: nwrite = write(fd, data, nread);
143: if (nwrite != nread)
1.8 ! otto 144: fatal("failed to write %zu bytes", nread);
1.6 joris 145:
146: if (cvs_server_active == 0 &&
147: cvs_client_outlog_fd != -1)
148: (void)write(cvs_client_outlog_fd, data, nread);
1.1 joris 149:
1.6 joris 150: nleft -= nread;
1.5 joris 151: }
152:
1.6 joris 153: xfree(data);
1.1 joris 154: }
155:
156: void
157: cvs_remote_send_file(const char *path)
158: {
159: int l, fd;
1.6 joris 160: FILE *out, *in;
1.8 ! otto 161: size_t ret, rw;
! 162: off_t total;
1.1 joris 163: struct stat st;
1.6 joris 164: char buf[16], *data;
1.1 joris 165:
166: if (cvs_server_active)
167: out = stdout;
168: else
169: out = current_cvsroot->cr_srvin;
170:
171: if ((fd = open(path, O_RDONLY)) == -1)
172: fatal("cvs_remote_send_file: %s: %s", path, strerror(errno));
173:
174: if (fstat(fd, &st) == -1)
175: fatal("cvs_remote_send_file: %s: %s", path, strerror(errno));
176:
177: cvs_modetostr(st.st_mode, buf, sizeof(buf));
178: cvs_remote_output(buf);
179:
180: l = snprintf(buf, sizeof(buf), "%lld", st.st_size);
181: if (l == -1 || l >= (int)sizeof(buf))
182: fatal("cvs_remote_send_file: overflow");
183: cvs_remote_output(buf);
184:
1.6 joris 185: if ((in = fdopen(fd, "r")) == NULL)
186: fatal("cvs_remote_send_file: fdopen %s", strerror(errno));
187:
188: total = 0;
189: data = xmalloc(MAXBSIZE);
190: while ((ret = fread(data, sizeof(char), MAXBSIZE, in)) != 0) {
191: rw = fwrite(data, sizeof(char), ret, out);
192: if (rw != ret)
1.8 ! otto 193: fatal("failed to write %zu bytes", ret);
1.5 joris 194:
1.6 joris 195: if (cvs_server_active == 0 &&
196: cvs_client_outlog_fd != -1)
197: (void)write(cvs_client_outlog_fd, data, ret);
198:
199: total += ret;
1.5 joris 200: }
201:
1.6 joris 202: xfree(data);
1.1 joris 203:
1.6 joris 204: if (total != st.st_size)
1.8 ! otto 205: fatal("length mismatch, %lld vs %lld", total, st.st_size);
1.4 joris 206:
1.6 joris 207: (void)fclose(in);
1.1 joris 208: }
209:
210: void
211: cvs_remote_classify_file(struct cvs_file *cf)
212: {
213: time_t mtime;
214: struct stat st;
215: CVSENTRIES *entlist;
216:
217: entlist = cvs_ent_open(cf->file_wd);
218: cf->file_ent = cvs_ent_get(entlist, cf->file_name);
219: cvs_ent_close(entlist, ENT_NOSYNC);
220:
221: if (cf->file_ent != NULL && cf->file_ent->ce_status != CVS_ENT_REG) {
222: if (cf->file_ent->ce_status == CVS_ENT_ADDED)
223: cf->file_status = FILE_ADDED;
224: else
225: cf->file_status = FILE_REMOVED;
226: return;
1.2 joris 227: }
228:
229: if (cf->file_ent != NULL) {
230: if (cf->file_ent->ce_type == CVS_ENT_DIR)
231: cf->file_type = CVS_DIR;
232: else
233: cf->file_type = CVS_FILE;
1.1 joris 234: }
235:
236: if (cf->fd != -1 && cf->file_ent != NULL) {
237: if (fstat(cf->fd, &st) == -1)
238: fatal("cvs_remote_classify_file(%s): %s", cf->file_path,
239: strerror(errno));
240:
241: mtime = cvs_hack_time(st.st_mtime, 1);
242: if (mtime != cf->file_ent->ce_mtime)
243: cf->file_status = FILE_MODIFIED;
244: else
245: cf->file_status = FILE_UPTODATE;
246: } else if (cf->fd == -1) {
247: cf->file_status = FILE_UNKNOWN;
248: }
1.7 joris 249:
250: if (cvs_cmdop == CVS_OP_IMPORT && cf->file_type == CVS_FILE)
251: cf->file_status = FILE_MODIFIED;
1.1 joris 252: }
253:
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