mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-12-05 02:16:49 +00:00
50 lines
1007 B
C
50 lines
1007 B
C
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#include "busybox.h"
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unsigned uidgid_get(struct bb_uidgid_t *u, const char *ug /*, unsigned dogrp */)
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{
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struct passwd *pwd;
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struct group *gr;
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const char *g;
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/* g = 0; if (dogrp) g = strchr(ug, ':'); */
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g = strchr(ug, ':');
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if (g) {
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int sz = (++g) - ug;
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char buf[sz];
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safe_strncpy(buf, ug, sz);
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pwd = getpwnam(buf);
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} else
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pwd = getpwnam(ug);
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if (!pwd)
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return 0;
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u->uid = pwd->pw_uid;
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u->gid = pwd->pw_gid;
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if (g) {
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gr = getgrnam(g);
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if (!gr) return 0;
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u->gid = gr->gr_gid;
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}
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return 1;
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}
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#if 0
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#include <stdio.h>
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int main()
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{
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unsigned u;
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struct bb_uidgid_t ug;
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u = uidgid_get(&ug, "apache");
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printf("%u = %u:%u\n", u, ug.uid, ug.gid);
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ug.uid = ug.gid = 1111;
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u = uidgid_get(&ug, "apache");
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printf("%u = %u:%u\n", u, ug.uid, ug.gid);
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ug.uid = ug.gid = 1111;
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u = uidgid_get(&ug, "apache:users");
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printf("%u = %u:%u\n", u, ug.uid, ug.gid);
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ug.uid = ug.gid = 1111;
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u = uidgid_get(&ug, "apache:users");
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printf("%u = %u:%u\n", u, ug.uid, ug.gid);
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return 0;
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}
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#endif
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