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34 RCSID("$Id: getusershell.c 21005 2007-06-08 01:54:35Z lha $");
36 #ifndef HAVE_GETUSERSHELL
45 #ifdef HAVE_SYS_TYPES_H
46 #include <sys/types.h>
48 #ifdef HAVE_SYS_STAT_H
51 #ifdef HAVE_SYS_PARAM_H
52 #include <sys/param.h>
59 #ifdef HAVE_USERCONF_H
65 #define _PATH_SHELLS "/etc/shells"
69 #define _PATH_BSHELL "/bin/sh"
73 #define _PATH_CSHELL "/bin/csh"
77 * Local shells should NOT be added here. They should be added in
81 static char *okshells[] = { _PATH_BSHELL, _PATH_CSHELL, NULL };
82 static char **curshell, **shells, *strings;
83 static char **initshells (void);
86 * Get a list of shells from _PATH_SHELLS, if it exists.
88 char * ROKEN_LIB_FUNCTION
94 curshell = initshells();
101 void ROKEN_LIB_FUNCTION
113 void ROKEN_LIB_FUNCTION
116 curshell = initshells();
123 #ifdef HAVE_GETCONFATTR
135 #ifdef HAVE_GETCONFATTR
136 if(getconfattr(SC_SYS_LOGIN, SC_SHELLS, &tmp, SEC_LIST) != 0)
139 for(cp = tmp, nsh = 0; *cp; cp += strlen(cp) + 1, nsh++);
141 shells = calloc(nsh + 1, sizeof(*shells));
145 strings = malloc(cp - tmp);
146 if(strings == NULL) {
151 memcpy(strings, tmp, cp - tmp);
152 for(sp = shells, cp = strings; *cp; cp += strlen(cp) + 1, sp++)
155 if ((fp = fopen(_PATH_SHELLS, "r")) == NULL)
157 if (fstat(fileno(fp), &statb) == -1) {
161 if ((strings = malloc((u_int)statb.st_size)) == NULL) {
165 shells = calloc((unsigned)statb.st_size / 3, sizeof (char *));
166 if (shells == NULL) {
174 while (fgets(cp, MaxPathLen + 1, fp) != NULL) {
175 while (*cp != '#' && *cp != '/' && *cp != '\0')
177 if (*cp == '#' || *cp == '\0')
180 while (!isspace((unsigned char)*cp) && *cp != '#' && *cp != '\0')
189 #endif /* HAVE_GETUSERSHELL */