Commit | Line | Data |
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29e83471 | 1 | #ifndef lint |
f7770429 | 2 | static char *sccsid = "@(#)main.c 4.5 (Berkeley) 83/10/12"; |
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3 | #endif |
4 | ||
5 | #include "defs.h" | |
6 | ||
7 | /* | |
8 | * Remote distribution program. | |
9 | */ | |
10 | ||
11 | char *distfile = "distfile"; | |
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12 | char tmpfile[] = "/tmp/rdistAXXXXXX"; |
13 | char *tmpname = &tmpfile[5]; | |
14 | char *tmpinc = &tmpfile[10]; | |
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15 | |
16 | int debug; /* debugging flag */ | |
17 | int nflag; /* NOP flag, just print commands without executing */ | |
18 | int qflag; /* Quiet. Don't print messages */ | |
f7770429 | 19 | int options; /* global options */ |
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20 | int iamremote; /* act as remote server for transfering files */ |
21 | ||
22 | int filec; /* number of files to update */ | |
23 | char **filev; /* list of files/directories to update */ | |
24 | FILE *fin = NULL; /* input file pointer */ | |
25 | int rem = 0; /* file descriptor to remote source/sink process */ | |
26 | char host[32]; /* host name */ | |
27 | int errs; /* number of errors while sending/receiving */ | |
28 | char user[10]; /* user's name */ | |
29 | char homedir[128]; /* user's home directory */ | |
30 | int userid; /* user's user ID */ | |
82572cb6 | 31 | int groupid; /* user's group ID */ |
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32 | |
33 | int cleanup(); | |
34 | int lostconn(); | |
35 | ||
36 | main(argc, argv) | |
37 | int argc; | |
38 | char *argv[]; | |
39 | { | |
40 | register char *arg; | |
41 | register struct passwd *pw; | |
f7770429 | 42 | int cmdargs = 0; |
29e83471 | 43 | |
29e83471 | 44 | pw = getpwuid(userid = getuid()); |
29e83471 | 45 | if (pw == NULL) { |
82572cb6 | 46 | fprintf(stderr, "%s: Who are you?\n", argv[0]); |
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47 | exit(1); |
48 | } | |
49 | strcpy(user, pw->pw_name); | |
50 | strcpy(homedir, pw->pw_dir); | |
82572cb6 | 51 | groupid = pw->pw_gid; |
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52 | gethostname(host, sizeof(host)); |
53 | ||
54 | while (--argc > 0) { | |
55 | if ((arg = *++argv)[0] != '-') | |
56 | break; | |
57 | if (!strcmp(arg, "-Server")) | |
58 | iamremote++; | |
59 | else while (*++arg) | |
60 | switch (*arg) { | |
61 | case 'f': | |
62 | if (--argc <= 0) | |
63 | usage(); | |
64 | distfile = *++argv; | |
65 | if (distfile[0] == '-' && distfile[1] == '\0') | |
66 | fin = stdin; | |
67 | break; | |
68 | ||
69 | case 'd': | |
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70 | if (--argc <= 0) |
71 | usage(); | |
72 | define(*++argv); | |
73 | break; | |
74 | ||
75 | case 'D': | |
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76 | debug++; |
77 | break; | |
78 | ||
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79 | case 'c': |
80 | cmdargs++; | |
81 | break; | |
82 | ||
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83 | case 'n': |
84 | nflag++; | |
85 | break; | |
86 | ||
87 | case 'q': | |
88 | qflag++; | |
89 | break; | |
90 | ||
91 | case 'v': | |
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92 | options |= VERIFY; |
93 | break; | |
94 | ||
95 | case 'w': | |
96 | options |= WHOLE; | |
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97 | break; |
98 | ||
99 | case 'y': | |
f7770429 | 100 | options |= YOUNGER; |
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101 | break; |
102 | ||
103 | default: | |
104 | usage(); | |
105 | } | |
106 | } | |
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107 | |
108 | mktemp(tmpfile); | |
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109 | signal(SIGPIPE, lostconn); |
110 | if (iamremote) { | |
111 | server(); | |
112 | exit(errs); | |
113 | } | |
29e83471 | 114 | |
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115 | signal(SIGHUP, cleanup); |
116 | signal(SIGINT, cleanup); | |
117 | signal(SIGQUIT, cleanup); | |
118 | signal(SIGTERM, cleanup); | |
119 | ||
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120 | if (cmdargs) |
121 | docmdargs(argc, argv); | |
122 | else { | |
123 | filec = argc; | |
124 | filev = argv; | |
125 | if (fin == NULL && (fin = fopen(distfile, "r")) == NULL) { | |
126 | perror(distfile); | |
127 | exit(1); | |
128 | } | |
129 | yyparse(); | |
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130 | } |
131 | ||
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132 | exit(errs); |
133 | } | |
134 | ||
135 | usage() | |
136 | { | |
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137 | printf("Usage: rdist [-nqvwyD] [-f distfile] [-d var=value] [file ...]\n"); |
138 | printf("or: rdist [-nqvwyD] -c source [...] machine[:dest]\n"); | |
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139 | exit(1); |
140 | } | |
141 | ||
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142 | /* |
143 | * rcp like interface for distributing files. | |
144 | */ | |
145 | docmdargs(nargs, args) | |
146 | int nargs; | |
147 | char *args[]; | |
148 | { | |
149 | struct block *bp, *files, *hosts, *cmds, *prev; | |
150 | int i; | |
151 | char *pos, dest[BUFSIZ]; | |
152 | ||
153 | if (nargs < 2) | |
154 | usage(); | |
155 | ||
156 | prev = NULL; | |
157 | bp = files = ALLOC(block); | |
158 | for (i = 0; i < nargs - 1; bp = ALLOC(block), i++) { | |
159 | bp->b_type = NAME; | |
160 | bp->b_name = args[i]; | |
161 | if (prev != NULL) | |
162 | prev->b_next = bp; | |
163 | bp->b_next = bp->b_args = NULL; | |
164 | prev = bp; | |
165 | } | |
166 | ||
167 | hosts = ALLOC(block); | |
168 | hosts->b_type = NAME; | |
169 | hosts->b_name = args[i]; | |
170 | hosts->b_name = args[i]; | |
171 | hosts->b_next = hosts->b_args = NULL; | |
172 | if ((pos = index(hosts->b_name, ':')) != NULL) { | |
173 | *pos++ = '\0'; | |
174 | strcpy(dest, pos); | |
175 | } else | |
176 | dest[0] = '\0'; | |
177 | ||
178 | hosts = expand(hosts, 0); | |
179 | ||
180 | if (dest[0] == '\0') | |
181 | cmds = NULL; | |
182 | else { | |
183 | cmds = ALLOC(block); | |
184 | cmds->b_type = INSTALL; | |
185 | cmds->b_options = options; | |
186 | cmds->b_name = dest; | |
187 | cmds->b_next = cmds->b_args = NULL; | |
188 | } | |
189 | ||
190 | if (debug) { | |
191 | printf("docmdargs()\nfiles = "); | |
192 | prnames(files); | |
193 | printf("hosts = "); | |
194 | prnames(hosts); | |
195 | } | |
196 | dohcmds(files, hosts, cmds); | |
197 | } | |
198 | ||
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199 | /* |
200 | * Remove temporary files and do any cleanup operations before exiting. | |
201 | */ | |
202 | cleanup() | |
203 | { | |
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204 | do { |
205 | (void) unlink(tmpfile); | |
206 | (*tmpinc)--; | |
207 | } while (*tmpinc >= 'A'); | |
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208 | exit(1); |
209 | } | |
210 | ||
211 | /* | |
212 | * Print a list of NAME blocks (mostly for debugging). | |
213 | */ | |
214 | prnames(bp) | |
215 | register struct block *bp; | |
216 | { | |
217 | printf("( "); | |
218 | while (bp != NULL) { | |
219 | printf("%s ", bp->b_name); | |
220 | bp = bp->b_next; | |
221 | } | |
222 | printf(")\n"); | |
223 | } | |
224 | ||
225 | /*VARARGS*/ | |
226 | warn(fmt, a1, a2,a3) | |
227 | char *fmt; | |
228 | { | |
229 | extern int yylineno; | |
230 | ||
231 | fprintf(stderr, "rdist: line %d: Warning: ", yylineno); | |
232 | fprintf(stderr, fmt, a1, a2, a3); | |
233 | fputc('\n', stderr); | |
234 | } |