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annotate fuzz-wrapfd.h @ 1630:9579377b5f8b

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use strlcpy & strlcat (#74) * refactor checkpubkeyperms() with safe BSD functions fix gcc8 warnings ``` svr-authpubkey.c: In function 'checkpubkeyperms': svr-authpubkey.c:427:2: warning: 'strncat' specified bound 5 equals source length [-Wstringop-overflow=] strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ svr-authpubkey.c:433:2: warning: 'strncat' specified bound 16 equals source length [-Wstringop-overflow=] strncat(filename, "/authorized_keys", 16); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``` see https://www.sudo.ws/todd/papers/strlcpy.html * restore strlcpy in xstrdup see original https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/xmalloc.c?rev=1.16
author François Perrad <francois.perrad@gadz.org>
date Wed, 20 Mar 2019 15:09:19 +0100
parents e75dab5bec71
children dfbe947bdf0d
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1 #ifndef FUZZ_WRAPFD_H
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2 #define FUZZ_WRAPFD_H
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3
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4 #include "buffer.h"
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5
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6 enum wrapfd_mode {
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7 UNUSED = 0,
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8 PLAIN,
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9 INPROGRESS,
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10 RANDOMIN
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11 };
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12
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13 void wrapfd_setup(void);
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14 void wrapfd_setseed(uint32_t seed);
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15 // doesn't take ownership of buf. buf is optional.
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16 void wrapfd_add(int fd, buffer *buf, enum wrapfd_mode mode);
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17
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18 // called via #defines for read/write/select
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19 int wrapfd_read(int fd, void *out, size_t count);
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20 int wrapfd_write(int fd, const void* in, size_t count);
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21 int wrapfd_select(int nfds, fd_set *readfds, fd_set *writefds,
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22 fd_set *exceptfds, struct timeval *timeout);
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23 int wrapfd_close(int fd);
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24
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25 #endif // FUZZ_WRAPFD_H