aboutsummaryrefslogtreecommitdiff
path: root/usr.sbin/pkg_install/add/perform.c
blob: be7b5078eeaefb8ef4487a53f87d7eca578604e8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
#ifndef lint
static const char *rcsid = "$Id: perform.c,v 1.3 1993/09/05 04:53:50 jkh Exp $";
#endif

/*
 * FreeBSD install - a package for the installation and maintainance
 * of non-core utilities.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * Jordan K. Hubbard
 * 18 July 1993
 *
 * This is the main body of the add module.
 *
 */

#include "lib.h"
#include "add.h"

#include <signal.h>

static int pkg_do(char *);
static char *find_name(Package *);
static int sanity_check(char *);
static char LogDir[FILENAME_MAX];


int
pkg_perform(char **pkgs)
{
    int i, err_cnt = 0;

    signal(SIGINT, cleanup);
    signal(SIGHUP, cleanup);

    if (AddMode == SLAVE)
	err_cnt = pkg_do(NULL);
    else {
	for (i = 0; pkgs[i]; i++)
	    err_cnt += pkg_do(pkgs[i]);
    }
    return err_cnt;
}

static Package Plist;

/* This is seriously ugly code following.  Written very fast! */
static int
pkg_do(char *pkg)
{
    char pkg_fullname[FILENAME_MAX];
    FILE *cfile;
    char *home;
    int code = 0;

    /* Reset some state */
    if (Plist.head)
	free_plist(&Plist);
    LogDir[0] = '\0';
    if (AddMode == SLAVE) {
	char tmp_dir[FILENAME_MAX];

	fgets(tmp_dir, FILENAME_MAX, stdin);
	tmp_dir[strlen(tmp_dir) - 1] = '\0'; /* pesky newline! */
	if (chdir(tmp_dir) == FAIL) {
	    whinge("pkg_add in SLAVE mode can't chdir to %s.", tmp_dir);
	    return 1;
	}
	read_plist(&Plist, stdin);
    }
    else {
	home = make_playpen(PlayPen);
	if (pkg[0] == '/')	/* full pathname? */
	    strcpy(pkg_fullname, pkg);
	else
	    sprintf(pkg_fullname, "%s/%s", home, pkg);
	if (!fexists(pkg_fullname)) {
	    whinge("Can't open package '%s'.", pkg_fullname);
	    return 1;
	}

	if (unpack(pkg_fullname, NULL))
	    return 1;

	if (sanity_check(pkg_fullname))
	    return 1;

	cfile = fopen(CONTENTS_FNAME, "r");
	if (!cfile) {
	    whinge("Unable to open %s file.", CONTENTS_FNAME);
	    goto fail;
	}
	read_plist(&Plist, cfile);
	fclose(cfile);
	if (Prefix) {
	    /*
	     * If we have a prefix, delete the first one we see and add this
	     * one in place of it.
	     */
	    delete_plist(&Plist, FALSE, PLIST_CWD, NULL);
	    add_plist_top(&Plist, PLIST_CWD, Prefix);
	}
	/* Just to be safe - overridden if package has made a choice */
	else
	    add_plist_top(&Plist, PLIST_CWD, home);
	/* If we're running in MASTER mode, just output the plist and return */
	if (AddMode == MASTER) {
	    printf("%s\n", where_playpen());
	    write_plist(&Plist, stdout);
	    return;
	}
    }
    PkgName = find_name(&Plist);
    if (fexists(REQUIRE_FNAME)) {
	vsystem("chmod +x %s", REQUIRE_FNAME);	/* be sure */
	if (Verbose)
	    printf("Running requirements file first for %s..\n", PkgName);
	if (!Fake && vsystem("%s %s INSTALL", REQUIRE_FNAME, PkgName)) {
	    whinge("Package %s fails requirements - not installed.",
		   pkg_fullname);
	    goto fail;
	}
    }
    if (!NoInstall && fexists(INSTALL_FNAME)) {
	vsystem("chmod +x %s", INSTALL_FNAME);	/* make sure */
	if (Verbose)
	    printf("Running install with PRE-INSTALL for %s..\n", PkgName);
	if (!Fake && vsystem("%s %s PRE-INSTALL", INSTALL_FNAME, PkgName)) {
	    whinge("Install script returned error status.");
	    goto fail;
	}
    }
    extract_plist(home, &Plist);
    if (!NoInstall && fexists(INSTALL_FNAME)) {
	if (Verbose)
	    printf("Running install with POST-INSTALL for %s..\n", PkgName);
	if (!Fake && vsystem("%s %s POST-INSTALL", INSTALL_FNAME, PkgName)) {
	    whinge("Install script returned error status.");
	    goto fail;
	}
    }
    if (!NoRecord && !Fake) {
	char contents[FILENAME_MAX];
	FILE *cfile;

	if (getuid() != 0)
	    whinge("Not running as root - trying to record install anyway.");
	if (!PkgName) {
	    whinge("No package name!  Can't record package, sorry.");
	    code = 1;
	    goto success;	/* well, partial anyway */
	}
	sprintf(LogDir, "%s/%s", LOG_DIR, PkgName);
	if (Verbose)
	    printf("Attempting to record package into %s..\n", LogDir);
	if (make_hierarchy(LogDir)) {
	    whinge("Can't record package into '%s', you're on your own!",
		   LogDir);
	    bzero(LogDir, FILENAME_MAX);
	    code = 1;
	    goto success;	/* close enough for government work */
	}
	/* Make sure pkg_info can read the entry */
	vsystem("chmod a+rx %s", LogDir);
	if (fexists(DEINSTALL_FNAME))
	    copy_file(".", DEINSTALL_FNAME, LogDir);
	if (fexists(REQUIRE_FNAME))
	    copy_file(".", REQUIRE_FNAME, LogDir);
	sprintf(contents, "%s/%s", LogDir, CONTENTS_FNAME);
	cfile = fopen(contents, "w");
	if (!cfile) {
	    whinge("Can't open new contents file '%s'!  Can't register pkg.",
		   contents);
	    goto success; /* can't log, but still keep pkg */
	}
	write_plist(&Plist, cfile);
	fclose(cfile);
	copy_file(".", DESC_FNAME, LogDir);
	copy_file(".", COMMENT_FNAME, LogDir);
	if (Verbose)
	    printf("Package %s registered in %s\n", PkgName, LogDir);
    }
    goto success;

 fail:
    /* Nuke the whole (installed) show */
    if (!Fake)
	delete_package(FALSE, &Plist);

 success:
    /* delete the packing list contents */
    leave_playpen();

    return code;
}

static int
sanity_check(char *pkg)
{
    if (!fexists(CONTENTS_FNAME)) {
	whinge("Package %s has no CONTENTS file!", pkg);
	return 1;
    }
    if (!fexists(COMMENT_FNAME)) {
	whinge("Package %s has no COMMENT file!", pkg);
	return 1;
    }
    if (!fexists(DESC_FNAME)) {
	whinge("Package %s has no DESC file!", pkg);
	return 1;
    }
    return 0;
}

static char *
find_name(Package *pkg)
{
    PackingList p = pkg->head;

    while (p) {
	if (p->type == PLIST_NAME)
	    return p->name;
	p = p->next;
    }
    return "anonymous";
}

void
cleanup(int signo)
{
    if (signo)
	printf("Signal %d received, cleaning up..\n", signo);
    if (Plist.head) {
	if (!Fake)
	    delete_package(FALSE, &Plist);
	free_plist(&Plist);
    }
    if (!Fake && LogDir[0])
	vsystem("%s -rf %s", REMOVE_CMD, LogDir);
    leave_playpen();
}