Commit | Line | Data |
---|---|---|
d7341d85 BJ |
1 | #include <sys/types.h> |
2 | #include <dir.h> | |
3 | #include <stat.h> | |
4 | #include <stdio.h> | |
5 | #include <sccs.h> | |
6 | ||
7 | SCCSID(@(#)lprm.c 1.2) | |
8 | ||
9 | char line[128]; | |
10 | int linel; | |
11 | int all; | |
12 | char lpddir[] = "/usr/spool/lpd"; | |
13 | FILE *df; | |
14 | FILE *dfb; | |
15 | ||
16 | main(argc, argv) | |
17 | int argc; | |
18 | char *argv[]; | |
19 | { | |
20 | register int i; | |
21 | register char *ap, *cp; | |
22 | int cnt; | |
23 | ||
24 | if (chdir(lpddir) < 0) | |
25 | perror(lpddir), exit(1); | |
26 | df = fopen(".", "r"); | |
27 | if (df == NULL) | |
28 | perror(lpddir), exit(1); | |
29 | argc--, argv++; | |
30 | if (argc == 0) { | |
31 | printf("usage: lprm [ id ... ] [ filename ... ] [ user ... ]\n"); | |
32 | exit(1); | |
33 | } | |
34 | do { | |
35 | if (strcmp(*argv, "-a") == 0) | |
36 | all++; | |
37 | clobber(*argv++); | |
38 | } while (--argc); | |
39 | } | |
40 | ||
41 | clobber(cp) | |
42 | char *cp; | |
43 | { | |
44 | struct dir dirent; | |
45 | int did = 0; | |
46 | ||
47 | rewind(df); | |
48 | while (fread(&dirent, sizeof dirent, 1, df) == 1) { | |
49 | if (dirent.d_ino == 0) | |
50 | continue; | |
51 | if (dirent.d_name[0] != 'd' || dirent.d_name[1] != 'f') | |
52 | continue; | |
53 | if (dirent.d_name[7] == 0 || dirent.d_name[8] != 0) | |
54 | continue; | |
55 | if (chkclob(cp, dirent.d_name)) { | |
56 | did++; | |
57 | printf("removing %s\n", dirent.d_name+3); | |
58 | unlink(dirent.d_name); | |
59 | dirent.d_name[0] = 'c'; unlink(dirent.d_name); | |
60 | dirent.d_name[0] = 'l'; unlink(dirent.d_name); | |
61 | dirent.d_name[0] = 't'; unlink(dirent.d_name); | |
62 | dirent.d_name[0] = 'd'; | |
63 | } | |
64 | } | |
65 | if (did == 0) | |
66 | fprintf(stderr, "%s: nothing to remove\n", cp); | |
67 | } | |
68 | ||
69 | chkclob(pattern, file) | |
70 | char *pattern, *file; | |
71 | { | |
72 | register char *id = pattern; | |
73 | ||
74 | /* | |
75 | * Quick check for matching id | |
76 | */ | |
77 | if (any(id[0], "cd") && id[1] == 'f' && id[2] == 'a') | |
78 | id += 3; | |
79 | if (strcmp(file+3, id) == 0) | |
80 | return (1); | |
81 | /* | |
82 | * Now check for matching filename 'B', 'F' or id 'L' | |
83 | */ | |
84 | dfb = fopen(file, "r"); | |
85 | if (dfb == NULL) | |
86 | return (0); | |
87 | while (getline()) switch (line[0]) { | |
88 | ||
89 | case 'L': | |
90 | case 'B': | |
91 | case 'F': | |
92 | if (strcmp(line+1, pattern) == 0) { | |
93 | fclose(dfb); | |
94 | return (1); | |
95 | } | |
96 | continue; | |
97 | } | |
98 | fclose(dfb); | |
99 | return (0); | |
100 | } | |
101 | ||
102 | any(c, cp) | |
103 | char c; | |
104 | register char *cp; | |
105 | { | |
106 | ||
107 | while (*cp) | |
108 | if (c == *cp++) | |
109 | return (1); | |
110 | return (0); | |
111 | } | |
112 | ||
113 | getline() | |
114 | { | |
115 | register int i, c; | |
116 | ||
117 | i = 0; | |
118 | while ((c = getc(dfb)) != '\n') { | |
119 | if (c <= 0) | |
120 | return(0); | |
121 | if (i < 100) | |
122 | line[i++] = c; | |
123 | } | |
124 | line[i++] = 0; | |
125 | return (1); | |
126 | } |