summaryrefslogtreecommitdiff
path: root/build/names.c
blob: ccbeb29b9460857536e2b40c3011e5cf9ba0834a (plain)
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
/** \ingroup rpmbuild
 * \file build/names.c
 * Simple user/group name/id cache (plus hostname and buildtime)
 */


#include "system.h"

#include <rpm/rpmbuild.h>
#include <rpm/rpmlog.h>
#include "debug.h"

#define UGIDMAX 1024

typedef char * ugstr_t;

static uid_t uids[UGIDMAX];
static ugstr_t unames[UGIDMAX];
static int uid_used = 0;

static gid_t gids[UGIDMAX];
static ugstr_t gnames[UGIDMAX];
static int gid_used = 0;
    
void freeNames(void)
{
    int x;
    for (x = 0; x < uid_used; x++)
	unames[x] = _free(unames[x]);
    for (x = 0; x < gid_used; x++)
	gnames[x] = _free(gnames[x]);
}

const char *getUname(uid_t uid)
{
    struct passwd *pw;
    int x;

    for (x = 0; x < uid_used; x++) {
	if (unames[x] == NULL) continue;
	if (uids[x] == uid)
	    return unames[x];
    }

    /* XXX - This is the other hard coded limit */
    if (x == UGIDMAX)
	rpmlog(RPMLOG_CRIT, _("getUname: too many uid's\n"));
    
    if ((pw = getpwuid(uid)) == NULL)
	return NULL;
    uids[uid_used] = uid;
    unames[uid_used] = xstrdup(pw->pw_name);
    return unames[uid_used++];
}

const char *getUnameS(const char *uname)
{
    struct passwd *pw;
    int x;

    for (x = 0; x < uid_used; x++) {
	if (unames[x] == NULL) continue;
	if (!strcmp(unames[x],uname))
	    return unames[x];
    }

    /* XXX - This is the other hard coded limit */
    if (x == UGIDMAX)
	rpmlog(RPMLOG_CRIT, _("getUnameS: too many uid's\n"));
    
    if ((pw = getpwnam(uname)) == NULL) {
	uids[uid_used] = -1;
	unames[uid_used] = xstrdup(uname);
    } else {
	uids[uid_used] = pw->pw_uid;
	unames[uid_used] = xstrdup(pw->pw_name);
    }
    return unames[uid_used++];
}

uid_t getUidS(const char *uname)
{
    struct passwd *pw;
    int x;

    for (x = 0; x < uid_used; x++) {
	if (unames[x] == NULL) continue;
	if (!strcmp(unames[x],uname))
	    return uids[x];
    }

    /* XXX - This is the other hard coded limit */
    if (x == UGIDMAX)
	rpmlog(RPMLOG_CRIT, _("getUidS: too many uid's\n"));
    
    if ((pw = getpwnam(uname)) == NULL) {
	uids[uid_used] = -1;
	unames[uid_used] = xstrdup(uname);
    } else {
	uids[uid_used] = pw->pw_uid;
	unames[uid_used] = xstrdup(pw->pw_name);
    }
    return uids[uid_used++];
}

const char *getGname(gid_t gid)
{
    struct group *gr;
    int x;

    for (x = 0; x < gid_used; x++) {
	if (gnames[x] == NULL) continue;
	if (gids[x] == gid)
	    return gnames[x];
    }

    /* XXX - This is the other hard coded limit */
    if (x == UGIDMAX)
	rpmlog(RPMLOG_CRIT, _("getGname: too many gid's\n"));
    
    if ((gr = getgrgid(gid)) == NULL)
	return NULL;
    gids[gid_used] = gid;
    gnames[gid_used] = xstrdup(gr->gr_name);
    return gnames[gid_used++];
}

const char *getGnameS(const char *gname)
{
    struct group *gr;
    int x;

    for (x = 0; x < gid_used; x++) {
	if (gnames[x] == NULL) continue;
	if (!strcmp(gnames[x], gname))
	    return gnames[x];
    }

    /* XXX - This is the other hard coded limit */
    if (x == UGIDMAX)
	rpmlog(RPMLOG_CRIT, _("getGnameS: too many gid's\n"));
    
    if ((gr = getgrnam(gname)) == NULL) {
	gids[gid_used] = -1;
	gnames[gid_used] = xstrdup(gname);
    } else {
	gids[gid_used] = gr->gr_gid;
	gnames[gid_used] = xstrdup(gr->gr_name);
    }
    return gnames[gid_used++];
}

gid_t getGidS(const char *gname)
{
    struct group *gr;
    int x;

    for (x = 0; x < gid_used; x++) {
	if (gnames[x] == NULL) continue;
	if (!strcmp(gnames[x], gname))
	    return gids[x];
    }

    /* XXX - This is the other hard coded limit */
    if (x == UGIDMAX)
	rpmlog(RPMLOG_CRIT, _("getGidS: too many gid's\n"));
    
    if ((gr = getgrnam(gname)) == NULL) {
	gids[gid_used] = -1;
	gnames[gid_used] = xstrdup(gname);
    } else {
	gids[gid_used] = gr->gr_gid;
	gnames[gid_used] = xstrdup(gr->gr_name);
    }
    return gids[gid_used++];
}

int32_t * getBuildTime(void)
{
    static int32_t buildTime[1];

    if (buildTime[0] == 0)
	buildTime[0] = (int32_t) time(NULL);
    return buildTime;
}

const char * buildHost(void)
{
    static char hostname[1024];
    static int oneshot = 0;
    struct hostent *hbn;

    if (! oneshot) {
        (void) gethostname(hostname, sizeof(hostname));
	hbn = gethostbyname(hostname);
	if (hbn)
	    strcpy(hostname, hbn->h_name);
	else
	    rpmlog(RPMLOG_WARNING,
			_("Could not canonicalize hostname: %s\n"), hostname);
	oneshot = 1;
    }
    return(hostname);
}