2 * Copyright (c) 1990, 1993, 1994
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36 static char sccsid[] = "@(#)pw_copy.c 8.4 (Berkeley) 4/2/94";
38 static const char rcsid[] =
43 * This module is used to copy the master password file, replacing a single
44 * record, by chpass(1) and passwd(1).
52 #include "yppasswdd_extern.h"
55 pw_copy(int ffd, int tfd, struct passwd *pw)
65 snprintf(uidstr, sizeof(uidstr), "%d", pw->pw_uid);
66 snprintf(gidstr, sizeof(gidstr), "%d", pw->pw_gid);
67 snprintf(chgstr, sizeof(chgstr), "%ld", pw->pw_change);
68 snprintf(expstr, sizeof(expstr), "%ld", pw->pw_expire);
70 if (!(from = fdopen(ffd, "r"))) {
71 pw_error(passfile, 1, 1);
74 if (!(to = fdopen(tfd, "w"))) {
75 pw_error(tempname, 1, 1);
78 for (done = 0; fgets(buf, sizeof(buf), from);) {
79 if (!strchr(buf, '\n')) {
80 yp_error("%s: line too long", passfile);
85 (void)fprintf(to, "%s", buf);
91 * Just copy comments and blank lines
93 p = buf + strspn(buf, " \t\n");
94 if (*p == '\0' || *p == '#') {
95 (void)fprintf(to, "%s", buf);
100 if (!(p = strchr(buf, ':'))) {
101 yp_error("%s: corrupted entry", passfile);
102 pw_error(NULL, 0, 1);
106 if (strcmp(buf, pw->pw_name)) {
108 (void)fprintf(to, "%s", buf);
113 (void)fprintf(to, "%s:%s:%s:%s:%s:%s:%s:%s:%s:%s\n",
114 pw->pw_name, pw->pw_passwd,
115 pw->pw_fields & _PWF_UID ? uidstr : "",
116 pw->pw_fields & _PWF_GID ? gidstr : "",
118 pw->pw_fields & _PWF_CHANGE ? chgstr : "",
119 pw->pw_fields & _PWF_EXPIRE ? expstr : "",
120 pw->pw_gecos, pw->pw_dir, pw->pw_shell);
126 if (allow_additions) {
127 (void)fprintf(to, "%s:%s:%s:%s:%s:%s:%s:%s:%s:%s\n",
128 pw->pw_name, pw->pw_passwd,
129 pw->pw_fields & _PWF_UID ? uidstr : "",
130 pw->pw_fields & _PWF_GID ? gidstr : "",
132 pw->pw_fields & _PWF_CHANGE ? chgstr : "",
133 pw->pw_fields & _PWF_EXPIRE ? expstr : "",
134 pw->pw_gecos, pw->pw_dir, pw->pw_shell);
136 yp_error("user \"%s\" not found in %s -- \
137 NIS maps and password file possibly out of sync", pw->pw_name, passfile);
142 err: pw_error(NULL, 1, 1);