Annotation of src/usr.bin/mg/dir.c, Revision 1.27
1.27 ! lum 1: /* $OpenBSD: dir.c,v 1.26 2014/03/31 18:00:58 lum Exp $ */
1.13 kjell 2:
3: /* This file is in the public domain. */
1.4 niklas 4:
1.1 deraadt 5: /*
6: * Name: MG 2a
7: * Directory management functions
8: * Created: Ron Flax (ron@vsedev.vse.com)
9: * Modified for MG 2a by Mic Kaczmarczik 03-Aug-1987
10: */
11:
1.20 jasper 12: #include <sys/stat.h>
13:
1.1 deraadt 14: #include "def.h"
15:
1.17 kjell 16: static char mgcwd[NFILEN];
1.1 deraadt 17:
18: /*
1.12 db 19: * Initialize anything the directory management routines need.
1.1 deraadt 20: */
1.5 art 21: void
1.8 vincent 22: dirinit(void)
1.1 deraadt 23: {
1.17 kjell 24: mgcwd[0] = '\0';
25: if (getcwd(mgcwd, sizeof(mgcwd)) == NULL) {
1.10 vincent 26: ewprintf("Can't get current directory!");
27: chdir("/");
28: }
1.19 kjell 29: if (!(mgcwd[0] == '/' && mgcwd [1] == '\0'))
30: (void)strlcat(mgcwd, "/", sizeof(mgcwd));
1.1 deraadt 31: }
32:
33: /*
1.12 db 34: * Change current working directory.
1.1 deraadt 35: */
1.3 millert 36: /* ARGSUSED */
37: int
1.8 vincent 38: changedir(int f, int n)
1.1 deraadt 39: {
1.17 kjell 40: char bufc[NFILEN], *bufp;
1.1 deraadt 41:
1.17 kjell 42: (void)strlcpy(bufc, mgcwd, sizeof(bufc));
43: if ((bufp = eread("Change default directory: ", bufc, NFILEN,
1.18 kjell 44: EFDEF | EFNEW | EFCR | EFFILE)) == NULL)
1.12 db 45: return (ABORT);
1.14 kjell 46: else if (bufp[0] == '\0')
47: return (FALSE);
1.18 kjell 48: /* Append trailing slash */
1.1 deraadt 49: if (chdir(bufc) == -1) {
1.25 lum 50: dobeep();
1.1 deraadt 51: ewprintf("Can't change dir to %s", bufc);
1.3 millert 52: return (FALSE);
1.1 deraadt 53: }
1.18 kjell 54: if ((bufp = getcwd(mgcwd, sizeof(mgcwd))) == NULL)
55: panic("Can't get current directory!");
56: if (mgcwd[strlen(mgcwd) - 1] != '/')
57: (void)strlcat(mgcwd, "/", sizeof(mgcwd));
58: ewprintf("Current directory is now %s", bufp);
59: return (TRUE);
1.1 deraadt 60: }
61:
62: /*
1.12 db 63: * Show current directory.
1.1 deraadt 64: */
1.3 millert 65: /* ARGSUSED */
66: int
1.8 vincent 67: showcwdir(int f, int n)
1.1 deraadt 68: {
1.17 kjell 69: ewprintf("Current directory: %s", mgcwd);
70: return (TRUE);
71: }
72:
73: int
74: getcwdir(char *buf, size_t len)
75: {
76: if (strlcpy(buf, mgcwd, len) >= len)
77: return (FALSE);
78:
1.20 jasper 79: return (TRUE);
80: }
81:
82: /* Create the directory and it's parents. */
83: /* ARGSUSED */
84: int
85: makedir(int f, int n)
86: {
1.27 ! lum 87: return (ask_makedir());
1.23 lum 88: }
89:
90: int
1.27 ! lum 91: ask_makedir(void)
1.23 lum 92: {
93:
1.22 lum 94: char bufc[NFILEN];
1.27 ! lum 95: char *path;
1.20 jasper 96:
97: if (getbufcwd(bufc, sizeof(bufc)) != TRUE)
98: return (ABORT);
1.22 lum 99: if ((path = eread("Make directory: ", bufc, NFILEN,
1.20 jasper 100: EFDEF | EFNEW | EFCR | EFFILE)) == NULL)
101: return (ABORT);
1.22 lum 102: else if (path[0] == '\0')
1.20 jasper 103: return (FALSE);
1.27 ! lum 104:
! 105: return (do_makedir(path));
! 106: }
! 107:
! 108: int
! 109: do_makedir(char *path)
! 110: {
! 111: struct stat sb;
! 112: int finished, ishere;
! 113: mode_t dir_mode, mode, oumask;
! 114: char *slash;
1.20 jasper 115:
1.22 lum 116: if ((path = adjustname(path, TRUE)) == NULL)
1.20 jasper 117: return (FALSE);
118:
1.24 florian 119: /* Remove trailing slashes */
120: slash = strrchr(path, '\0');
121: while (--slash > path && *slash == '/')
122: *slash = '\0';
1.26 lum 123:
124: slash = path;
1.20 jasper 125:
126: oumask = umask(0);
127: mode = 0777 & ~oumask;
128: dir_mode = mode | S_IWUSR | S_IXUSR;
129:
130: for (;;) {
131: slash += strspn(slash, "/");
132: slash += strcspn(slash, "/");
133:
134: finished = (*slash == '\0');
135: *slash = '\0';
136:
137: ishere = !stat(path, &sb);
1.21 lum 138: if (finished && ishere) {
1.25 lum 139: dobeep();
1.21 lum 140: ewprintf("Cannot create directory %s: file exists",
141: path);
142: return(FALSE);
143: } else if (!finished && ishere && S_ISDIR(sb.st_mode)) {
1.20 jasper 144: *slash = '/';
145: continue;
146: }
147:
148: if (mkdir(path, finished ? mode : dir_mode) == 0) {
149: if (mode > 0777 && chmod(path, mode) < 0) {
150: umask(oumask);
151: return (ABORT);
152: }
153: } else {
154: if (!ishere || !S_ISDIR(sb.st_mode)) {
1.25 lum 155: if (!ishere) {
156: dobeep();
1.20 jasper 157: ewprintf("Creating directory: "
158: "permission denied, %s", path);
1.25 lum 159: } else
1.20 jasper 160: eerase();
161:
162: umask(oumask);
163: return (FALSE);
164: }
165: }
166:
167: if (finished)
168: break;
169:
170: *slash = '/';
171: }
172:
173: eerase();
174: umask(oumask);
1.3 millert 175: return (TRUE);
1.1 deraadt 176: }
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